CN210185357U

CN210185357U - Cooking device and upper cover thereof

Info

Publication number: CN210185357U
Application number: CN201920517288.8U
Authority: CN
Inventors: Huayong Liu; 刘化勇; Ruofei Yan; 严若飞; Zhijia Liang; 梁志佳; Shenghua Xing; 邢胜华; Weiming Huang; 黄韦铭; Yuehong Qu; 瞿月红
Original assignee: Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Current assignee: Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Priority date: 2019-04-15
Filing date: 2019-04-15
Publication date: 2020-03-27
Anticipated expiration: 2029-04-15

Abstract

The application discloses cooking device and upper cover thereof. The upper cover is provided with a steam channel, a cooling device and an energy conversion device, the energy conversion device is connected with the cooling device, the energy conversion device is used for carrying out energy conversion on steam in the steam channel and transmitting the converted energy to the cooling device, and the cooling device works under the driving of the converted energy to dissipate heat of the steam channel. This application carries out energy conversion through energy conversion device to the steam in the steam passageway to utilize the energy drive cooling device work after the conversion, this application need not additionally to provide the driving energy for cooling device, consequently can reduce cooking device's energy consumption.

Description

Cooking device and upper cover thereof

Technical Field

The application relates to the technical field of kitchen appliances, in particular to a cooking device and an upper cover thereof.

Background

In order to prevent steam from burning people or damaging kitchen utensils during cooking, existing cooking devices such as rice cookers are generally designed to be steam-free devices. The steam-free cooking device cools water vapor generated during cooking boiling by a cooling device such as a fan.

The inventor of this application discovers in long-term research and development process that current cooking device need supply power for cooling device such as fan, just can drive it and refrigerate steam, leads to cooking device operating power to strengthen, and the energy consumption is higher.

SUMMERY OF THE UTILITY MODEL

The technical problem that this application mainly solved is how to reduce cooking device's energy consumption.

In order to solve the technical problem, the application adopts a technical scheme that: an upper cover of a cooking apparatus is provided. The upper cover is provided with a steam channel, a cooling device and an energy conversion device, the energy conversion device is connected with the cooling device, the energy conversion device is used for carrying out energy conversion on steam in the steam channel and transmitting the converted energy to the cooling device, and the cooling device works under the driving of the converted energy to dissipate heat of the steam channel.

In a specific embodiment, the energy conversion device comprises a steam turbine, the cooling device comprises a fan, the steam turbine is arranged in the steam channel and is connected with the fan through a connecting shaft, the steam turbine rotates under the driving of the steam in the steam channel and converts the energy of the steam into kinetic energy, and the fan works under the driving of the kinetic energy.

In a specific embodiment, the energy conversion device comprises a thermoelectric conversion device or a piezoelectric conversion device, the thermoelectric conversion device or the piezoelectric conversion device is electrically connected with the cooling device, the thermoelectric conversion device is used for collecting heat energy of steam in the steam channel and converting the heat energy into electric energy, the piezoelectric conversion device takes the steam pressure in the steam channel as power to convert the steam into the electric energy, and the cooling device is driven by the electric energy to work.

In a specific embodiment, the cooling device includes a condenser disposed corresponding to the steam channel, the condenser is electrically connected to the electrical conversion device or the piezoelectric conversion device, and the condenser is driven by electric energy to perform refrigeration so as to dissipate heat of the steam channel.

In one embodiment, the cooling device includes a heat sink and a fan, the heat sink is disposed corresponding to the steam channel, the fan is disposed adjacent to the heat sink, the fan is electrically connected to the electrical conversion device or the piezoelectric conversion device, and the fan is driven by the electrical energy to operate to dissipate heat from the heat sink.

In one embodiment, the thermoelectric conversion device includes a first heat-conducting member, a second heat-conducting member, and a thermoelectric chip, the first heat-conducting member and the second heat-conducting member are respectively connected to the thermoelectric chip, the thermoelectric chip is electrically connected to the cooling device, and the thermoelectric chip generates electric energy according to a temperature difference between the first heat-conducting member and the second heat-conducting member to drive the cooling device to operate.

In one embodiment, the upper cover is further provided with an auxiliary energy device, the auxiliary energy device is connected with the cooling device, and the auxiliary energy device is used for increasing the driving force of the cooling device.

In a specific embodiment, the steam passage comprises an air inlet passage, an air inlet of the air inlet passage is communicated with a cooking pot cavity of the cooking device, an air outlet of the air inlet passage is provided with the energy conversion device, and the size of the air inlet passage is set to increase the concentration of the steam in the direction from the air inlet to the air outlet.

In a particular embodiment, the cross-sectional dimension of the inlet passage tapers in a direction from the inlet to the outlet.

In order to solve the above technical problem, another technical solution adopted by the present application is: a cooking apparatus is provided. The cooking device comprises the upper cover.

The beneficial effect of this application is: be different from prior art, the upper cover of cooking device of this application embodiment is provided with steam channel, cooling device and energy conversion device, and energy conversion device is connected with cooling device, and energy conversion device is used for carrying out energy conversion to the steam in the steam channel to give cooling device with the energy transfer after the conversion, cooling device works under the drive of the energy after the conversion, with the steam channel dispels the heat. This application carries out energy conversion through energy conversion device to the steam in the steam passageway to utilize the energy drive cooling device work after the conversion, consequently, this application need not additionally to provide the driving energy for cooling device, consequently can reduce cooking device's energy consumption.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic view of a first embodiment of a top cover of a cooking device of the present application;

FIG. 2 is a schematic diagram of an embodiment of a cooking device of the present application;

FIG. 3 is a schematic view showing a structure of a steam passage in a second embodiment of an upper cover of the cooking apparatus of the present application;

FIG. 4 is a schematic structural view of a third embodiment of an upper cover of the cooking apparatus of the present application;

FIG. 5 is a schematic diagram of an energy conversion device in an upper cover of the cooking device of FIG. 4;

FIG. 6 is a schematic structural view of a fourth embodiment of an upper cover of the cooking apparatus of the present application;

fig. 7 is a schematic structural view of a fifth embodiment of an upper cover of the cooking apparatus of the present application.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be noted that the following examples are only illustrative of the present application, and do not limit the scope of the present application. Likewise, the following examples are only some examples and not all examples of the present application, and all other examples obtained by a person of ordinary skill in the art without any inventive step are within the scope of the present application.

First, an upper cover of a cooking device is provided, as shown in fig. 1, fig. 1 is a schematic structural diagram of an embodiment of the upper cover 101 of the cooking device. The upper cover 101 of the cooking apparatus of the present embodiment can be used in the cooking apparatus shown in fig. 2, and fig. 2 is a schematic structural diagram of an embodiment of the cooking apparatus of the present application. The upper cover 101 of the embodiment is provided with a steam channel 102, a cooling device 103 and an energy conversion device 104, the energy conversion device 104 is connected with the cooling device 103, the energy conversion device 104 is used for converting the energy of the steam in the steam channel 102 and transmitting the converted energy to the cooling device 103, and the cooling device 103 is driven by the converted energy to work so as to dissipate the heat of the steam channel 102.

When cooking device 201 cooks, culinary art pot cavity 202 can produce a large amount of steam, and steam gets into steam channel 102, and cooling device 103 dispels the heat to steam channel 102 to make steam channel 102's steam condensation, can prevent that steam from directly discharging to scald the human body or damage kitchen utensils and appliances.

Wherein, the upper cover 101 is further provided with a cover plate 105, the cover plate 105 is arranged on the cooking pot 203, and the cover plate 105 and the cooking pot 203 form a cooking pot cavity 202; the steam channel 102 and the cooling device 103 are arranged above the cover plate 105.

Of course, in other embodiments, the cooling device may be disposed on the side of the cooking pan to dispose the cooling structure in an embedded manner, which is convenient for the internal structure arrangement of the embedded product.

Different from the prior art, the energy conversion device 104 is disposed in the upper cover 101 of the embodiment, and the energy conversion device 104 can convert the energy of the steam in the steam channel 102 and drive the cooling device 103 to operate by using the converted energy, so that it is not necessary to additionally provide driving energy for the cooling device 103, and the energy consumption of the cooking device 201 can be reduced.

Optionally, the cooling device 103 of the present embodiment includes a fan 106, the energy conversion device 104 includes a steam turbine, the steam turbine is disposed in the steam channel 102, the steam turbine is connected to the fan 106 through a connecting shaft 107, the steam turbine is driven by steam in the steam channel 102 to rotate and convert energy of the steam into kinetic energy, and the fan 106 is driven by the kinetic energy to operate.

Specifically, an impeller (not shown) of the steam turbine is disposed within the steam passageway 102, the impeller rotating under the impingement of the steam fluid.

Further, the cooling device 103 of the present embodiment further includes a heat sink 108, and the heat sink 108 is disposed on the steam passage 102 to dissipate heat of the steam passage 102. Steam is generated in the cooking pot cavity 202, after the steam enters the steam channel 102, the heat of the steam is guided to the heat dissipation fins 108, and the fan 106 blows air to the heat dissipation fins 107 under the driving of the steam turbine 104 to dissipate the heat of the heat dissipation fins 108.

The heat sink 108 and the cover plate 105 can be integrally formed by processes such as in-mold injection molding and the like, so that the forming process of the heat sink is simplified; or the heat sink 108 and the cover plate 105 are connected by a process such as gluing, welding, etc.

The heat sink 108 may be made of a heat conductive ceramic, a metal such as copper or aluminum, or a material with high thermal conductivity such as an organic polymer material.

Optionally, the cooking apparatus 201 of the present embodiment may further include components such as a heater 204, a first temperature sensor 205, a second temperature sensor 206, and a circuit board 207; wherein, the heater 204 is arranged at the bottom and the side of the cooking pot 203 for heating the cooking pot 203; the first temperature sensor 205 is arranged on the cover plate 105 and used for collecting the steam temperature in the cooking pot cavity 202; the second temperature sensor 206 is arranged on the heat sink 107 and used for collecting the temperature of the heat sink 108; the circuit board 207 is disposed on the upper cover 101 or other positions of the cooking device 201, and the circuit board 207 is disposed with a processor (not shown), and the processor is at least used for intelligently controlling the cooking operation of the cooking device 201 according to the steam temperature and the temperature of the heat sink 108.

The vapor channel 102 of the present embodiment includes an inlet channel 109 and an outlet channel 110. One end of the air inlet channel 109 is communicated with the cooking pot cavity 202 of the cooking device 201, the other end of the air inlet channel 109 is provided with the steam turbine 104 and is communicated with one end of the air outlet channel 110, and the other end of the air outlet channel 110 is communicated with the outside.

In order to improve the heat dissipation effect of the steam, the height of the air inlet channel 109 should be lower than the height of the air outlet channel 110, so that the condensed water can flow back into the cooking pot cavity 202 from the steam channel 102, and the condensed water can be prevented from remaining in the steam channel 102 to block the steam channel 102, or the condensed water can be prevented from leaking to other components of the cooking device 201 to corrode the components. Specifically, the height of the vapor channel 102 becomes gradually larger in a direction from the inlet of the inlet channel 109 to the outlet of the outlet channel 110.

In another embodiment, the cooking device can be further provided with a water collecting box, and the water collecting box is arranged corresponding to the air outlet of the air outlet channel; the water collecting box is used for collecting the condensed water discharged from the air outlet channel so as to prevent the condensed water from remaining in the inlet and outlet channel to block the inlet and outlet channel or prevent the condensed water from leaking to other components of the cooking device to corrode the components.

Wherein, the water collecting box can be arranged on the inner surface of the outer shell cover on the side surface of the cooking pan or the outer surface of the outer shell cover; the volume of the water collecting box can be properly adjusted according to the volume of the cavity of the cooking pot; the shape of the sump box may be square, oval, etc., and the shape of the sump box may be appropriately adjusted according to the arrangement of other components of the cooking appliance.

Further, the height of the inlet channel should be higher than that of the outlet channel so that condensed water can be discharged from the outlet channel. Specifically, the height of the steam channel gradually becomes smaller in a direction from the air inlet of the air inlet channel to the air outlet of the air outlet channel, and the height of the water collection box is smaller than the height of the air outlet channel.

The present application further proposes an upper cover of a cooking apparatus of a second embodiment, as shown in fig. 3, fig. 3 is a schematic structural diagram of a steam channel in the second embodiment of the upper cover of the cooking apparatus of the present application. The steam channel of this embodiment includes air inlet channel 301, and the air inlet of air inlet channel 301 communicates with cooking pot cavity 302 of cooking device, and the gas outlet of air inlet channel 301 is provided with steam turbine 303. The upper cover of the present embodiment is different from the upper cover of the cooking apparatus of the first embodiment in that: the size of the inlet channel 301 in the vapour channel is such that the vapour concentration increases in the direction from the inlet to the outlet.

Specifically, the cross-sectional dimension of the intake passage 301 gradually decreases in the direction from the intake port to the exhaust port.

In the present embodiment, the air inlet channel 301 with the above structure can compress the steam in the large-sized air inlet, so that the steam concentration at the air outlet can be increased, the impact force of the steam on the impeller (not shown) can be increased, and the conversion power of the steam turbine 303 can be increased.

The air intake passage 301 of the present embodiment is funnel-shaped. In other embodiments, the cross section of the air inlet channel along the central shaft can also be arranged in a stepped shape and the like; or the air inlet channel comprises a plurality of air inlets and an air outlet so as to increase the steam concentration of the air outlet.

In the above embodiments of the present application, the steam turbine and the fan are respectively disposed on both sides of the heat sink, and the connection shaft connecting the steam turbine and the fan is disposed in the through hole of the heat sink. In order to shorten the connecting shaft, reduce the moment between the steam turbine and the fan, and increase the power transmitted to the fan by the steam turbine, the steam turbine and the fan can be arranged on the same side of the radiating fin; or a plurality of fans may be provided at different positions of the heat sink, and the steam turbine may be connected to the plurality of fans, respectively, to drive the plurality of fans, respectively.

The present application further proposes an upper cover of a cooking apparatus of a third embodiment, and as shown in fig. 4, the upper cover 401 of the cooking apparatus of the present embodiment is different from the upper cover of the cooking apparatus of the first embodiment in that: the energy conversion device 402 of the present embodiment may be a thermoelectric conversion device for collecting thermal energy of the steam in the steam channel 403 and converting the thermal energy into electric energy, and the cooling device 404 is driven by the electric energy to operate.

The cooling device 404 may be a condenser, the condenser is disposed corresponding to the steam channel 403, the condenser is electrically connected to the thermoelectric conversion device, and the condenser operates under the driving of the electric energy to cool, so as to dissipate heat of the steam channel 403.

Specifically, the condenser may be a semiconductor refrigeration chip or a liquid pump, etc.

Alternatively, as shown in fig. 5, the thermoelectric conversion device 402 of the present embodiment includes a first heat conducting member 405, a second heat conducting member 406, and a thermoelectric chip 407, the first heat conducting member 405 and the second heat conducting member 406 are respectively connected to the thermoelectric chip 407, the thermoelectric chip 407 is electrically connected to the cooling device 404, and the thermoelectric chip 407 generates electric energy according to a temperature difference between the first heat conducting member 405 and the second heat conducting member 406 to drive the cooling device 404 to operate.

The first heat conducting member 405 and the second heat conducting member 406 may be disposed in a tubular shape, the first heat conducting member 405 is disposed on an inner wall of the steam channel 403, and the second heat conducting member 406 is disposed on an outer wall of the steam channel 403.

The first heat conducting element 405 and the second heat conducting element 406 may be made of a material with high thermal conductivity, such as a heat conducting ceramic, a metal, or an organic polymer material.

In other embodiments, the energy conversion device of the present application may also be a piezoelectric conversion device, which uses the vapor pressure in the vapor channel as power to convert into electric energy; the piezoelectric conversion device may be a steam turbine generator, a piezoelectric ceramic, or the like.

The present application further proposes an upper cover of a cooking apparatus of a fourth embodiment, and as shown in fig. 6, the upper cover 601 of the cooking apparatus of the present embodiment is different from the upper cover of the cooking apparatus of the third embodiment in that: the cooling device 602 of this embodiment includes a heat sink 603 and a fan 604, the heat sink 603 is disposed corresponding to the steam channel 605, the fan 604 is disposed near the heat sink 603, the fan 604 is electrically connected to the energy conversion device 606, the energy conversion device 606 converts steam energy in the steam channel 605 into electric energy, and the fan 604 is driven by the electric energy to operate to dissipate heat from the heat sink 603.

The present application further proposes an upper cover of a cooking apparatus of a fifth embodiment, and as shown in fig. 7, the upper cover 701 of the cooking apparatus of the present embodiment is different from the upper cover of the cooking apparatus of the above embodiments in that: the upper cover 701 of this embodiment is further provided with an auxiliary energy source device 702, the auxiliary energy source device 702 is connected to the cooling device 703, and the auxiliary energy source device 702 is used for increasing the driving force of the cooling device 703.

In an application scenario, when the cooking apparatus cooks in a steaming mode, a cooking pan (not shown) may continuously generate high-temperature steam for a long time, so that the converted energy of the energy conversion device 704 may not enable the cooling device 703 to achieve a good cooling effect, and at this time, the auxiliary energy device 702 may be turned on to increase the driving force of the cooling device 703, thereby ensuring the cooling effect of the cooling device 703 on the steam.

Specifically, the temperature of the steam in the cooking pan may be acquired by a temperature sensor, and the auxiliary energy device 702 may be turned on when the temperature of the steam is greater than a preset temperature, for example, 60 °.

The cooking device of the embodiment of the application can be an electric cooker, an electric pressure cooker or an electric stewpot and the like.

Be different from prior art, the upper cover of cooking device of this application embodiment is provided with steam channel, cooling device and energy conversion device, and energy conversion device is connected with cooling device, and energy conversion device is used for carrying out energy conversion to the steam in the steam channel to give cooling device with the energy transfer after the conversion, cooling device works under the drive of the energy after the conversion, with the steam channel dispels the heat. This application carries out energy conversion through energy conversion device to the steam in the steam passageway to utilize the energy drive cooling device work after the conversion, consequently, this application need not additionally to provide the driving energy for cooling device, consequently can reduce cooking device's energy consumption.

The above description is only for the purpose of illustrating embodiments of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application or are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.

Claims

1. The upper cover of the cooking device is characterized in that the upper cover is provided with a steam channel, a cooling device and an energy conversion device, the energy conversion device is connected with the cooling device, the energy conversion device is used for converting energy of steam in the steam channel and transmitting the converted energy to the cooling device, and the cooling device works under the driving of the converted energy to dissipate heat of the steam channel.

2. The upper cover according to claim 1, wherein the energy conversion device comprises a steam turbine, the cooling device comprises a fan, the steam turbine is arranged in the steam channel, the steam turbine is connected with the fan through a connecting shaft, the steam turbine is driven by steam in the steam channel to rotate and convert energy of the steam into kinetic energy, and the fan is driven by the kinetic energy to work.

3. The upper cover according to claim 1, wherein the energy conversion device comprises a thermoelectric conversion device or a piezoelectric conversion device, the thermoelectric conversion device or the piezoelectric conversion device is electrically connected with the cooling device, the thermoelectric conversion device is used for collecting thermal energy of the steam in the steam channel and converting the thermal energy into electric energy, the piezoelectric conversion device takes the steam pressure in the steam channel as power to convert the electric energy into the electric energy, and the cooling device is driven by the electric energy to work.

4. The upper cover according to claim 3, wherein the cooling device comprises a condenser disposed corresponding to the steam channel, the condenser is electrically connected to the electrical conversion device or the piezoelectric conversion device, and the condenser is driven by the electrical energy to perform refrigeration so as to dissipate heat of the steam channel.

5. The upper cover according to claim 3, wherein the cooling device comprises a heat sink and a fan, the heat sink is disposed corresponding to the steam channel, the fan is disposed adjacent to the heat sink, the fan is electrically connected to the electrical conversion device or the piezoelectric conversion device, and the fan is driven by the electrical energy to dissipate heat of the heat sink.

6. The upper cover according to claim 3, wherein the thermoelectric conversion device comprises a first heat conducting member, a second heat conducting member, and a thermoelectric chip, the first heat conducting member and the second heat conducting member are respectively connected to the thermoelectric chip, the thermoelectric chip is electrically connected to the cooling device, and the thermoelectric chip generates electric energy according to a temperature difference between the first heat conducting member and the second heat conducting member to drive the cooling device to operate.

7. The upper cover according to claim 1, wherein the upper cover is further provided with an auxiliary power supply means connected to the cooling means, the auxiliary power supply means for increasing the driving force of the cooling means.

8. The upper cover according to claim 1, wherein the steam passage comprises an air inlet passage, an air inlet of the air inlet passage communicates with a cooking pot cavity of the cooking device, an air outlet of the air inlet passage is provided with the energy conversion device, and the air inlet passage is sized such that a steam concentration increases in a direction from the air inlet to the air outlet.

9. The upper cover according to claim 8, wherein the cross-sectional dimension of the air inlet passage is gradually reduced in a direction from the air inlet to the air outlet.

10. A cooking device, characterized in that it comprises a cover according to any one of claims 1 to 9.