CN110464200B

CN110464200B - Cooking apparatus

Info

Publication number: CN110464200B
Application number: CN201810450470.6A
Authority: CN
Inventors: 邢胜华; 刘化勇; 梁志佳; 马利; 吴慧民; 罗飞龙; 黄韦铭; 羊小亮; 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: 2018-05-11
Filing date: 2018-05-11
Publication date: 2021-10-29
Anticipated expiration: 2038-05-11
Also published as: CN110464200A

Abstract

The present invention provides a cooking apparatus, comprising: the upper cover is provided with an upper cover inner cavity and an exhaust port for exhausting air from the upper cover inner cavity; the cooker body is provided with a cooker body inner cavity and an air inlet for allowing air to enter the cooker body inner cavity; the ventilating structure is used for communicating the inner cavity of the cooker body with the inner cavity of the upper cover; the fan is arranged in the inner cavity of the cooker body, and drives airflow to enter the inner cavity of the cooker body from the air inlet and drive the airflow in the inner cavity of the cooker body to be discharged from the ventilation structure when the fan operates; and the electronic element is arranged in the inner cavity of the cooker body, wherein the air flow flowing from the air inlet to the ventilation structure in the inner cavity of the cooker body can dissipate heat of the electronic element. The cooking equipment that this scheme provided retrieves a kind of deep pot internal electronic component's heat dissipation capacity and is used for heating the upper cover to the heat transfer efficiency of inner pot upper cover direction has been reduced, pot heat insulating ability in doing benefit to and promoting, and need not additionally to consume the energy and with pertinence ground to the upper cover heating, realized the abundant of the optimal configuration of resource and energy utilization, help cooking equipment to realize the one-level efficiency.

Description

Cooking apparatus

Technical Field

The invention relates to the field of kitchen appliances, in particular to cooking equipment.

Background

In the process of implementing the invention, the inventor finds that the prior art has the following technical problems: the existing cooking equipment such as an electric cooker generally has the condition of low energy efficiency, which causes serious waste of resources, specifically, an IH electric cooker heats a metal inner container through a high-frequency magnetic field generated by a coil of a coil panel, but at the same time, the coil and electronic elements such as an IGBT (insulated gate bipolar transistor) generating the high-frequency magnetic field generate high heat when working, and the heat of the electronic elements must be dissipated in time, otherwise the electronic elements are burnt out due to high temperature, therefore, a cooling fan is arranged in the cooking equipment such as the IH electric cooker, the strong wind power of the cooling fan can take away the heat generated by the electronic elements in time during the working process of the cooking equipment, and drives the heated air flow to exhaust from an exhaust port on a base, thereby realizing effective heat dissipation of the electronic elements, ensuring the normal work of the electronic elements, but causing that a great part of the heat can directly lose without doing work during the operation of the cooking equipment, resulting in a low energy efficiency of the cooking device and difficult to achieve a breakthrough improvement.

Disclosure of Invention

In order to solve at least one of the above technical problems, an object of the present invention is to provide a cooking apparatus.

To achieve the above object, an embodiment of the present invention provides a cooking apparatus including: the upper cover is provided with an upper cover inner cavity and an exhaust port for exhausting air from the upper cover inner cavity; the cooker body is hinged with the upper cover and is provided with a cooker body inner cavity and an air inlet for allowing air to enter the cooker body inner cavity; the ventilating structure is used for communicating the inner cavity of the cooker body with the inner cavity of the upper cover; the fan is arranged in the inner cavity of the cooker body, and when the fan operates, the fan drives airflow to enter the inner cavity of the cooker body from the air inlet and drives the airflow in the inner cavity of the cooker body to be discharged from the ventilating structure; and the electronic element is arranged in the inner cavity of the cooker body, wherein the electronic element can be radiated by airflow flowing from the air inlet to the ventilation structure in the inner cavity of the cooker body.

In the cooking device provided by the above embodiment of the present invention, the inner cavity of the upper cover and the inner cavity of the pot body can be communicated by the ventilation structure to form a communicated air channel, so that after the fan operates and drives the air flow to cool and dissipate heat of the electronic component in the inner cavity of the pot body, the high temperature air flow formed in the inner cavity of the pot body is driven to the ventilation structure and can be sent into the inner cavity of the upper cover through the ventilation structure, so that the high temperature air flow can heat and insulate the upper cover in the process of flowing through the inner cavity of the upper cover, wherein it can be understood that the heat transfer process is promoted by the temperature difference, and the temperature difference between the upper cover and the inner pot in the pot body can be reduced to a certain extent by heating and insulating the upper cover, thereby reducing the heat transfer efficiency of the inner pot in the direction of the upper cover, improving the heat insulating property of the inner pot, solving the problem that the cooking device has a short plate in the aspect of improving the energy efficiency due to the poor heat insulating property of the inner pot, and also facilitating the uniform temperature of the upper and lower surfaces of food in the pot, promote the culinary art taste, and in this structure for heat to the upper cover and heat retaining heat comes from the recovery heat to electronic component, and need not additionally to consume the energy and in order to pertinence ground to the upper cover heating, has realized the sufficiency of the optimal configuration of resource and energy utilization, helps cooking equipment to realize the one-level efficiency, realizes the energy saving and emission reduction of product.

In addition, the cooking device in the above embodiment provided by the present invention may further have the following additional technical features:

in one technical scheme of the invention, the vent structure comprises a channel coupling structure, and the inner cavity of the upper cover and the inner cavity of the cooker body are detachably connected through the channel coupling structure.

In this scheme, it includes passageway coupling structure to set up ventilation structure, a kind of deep pot body inner chamber and upper cover inner chamber form detachably through passageway coupling structure and connect, that is, passageway coupling structure makes and forms between a kind of deep pot body inner chamber and the upper cover inner chamber and can communicate each other and can break off with these two kinds of states of each other of mutual intercommunication, and thus, usable passageway coupling structure puts through a kind of deep pot body inner chamber and upper cover inner chamber when upper cover and a kind of deep pot body lid close, it is smooth and easy to ensure to ventilate between upper cover inner chamber and a kind of deep pot body inner chamber, and utilize passageway coupling structure to make a kind of deep pot body inner chamber and upper cover inner chamber can break off when upper cover and a kind of deep pot body are opened, it is smooth and easy to ensure to uncap, avoid having the problem of mutual pulling between upper cover and a kind of deep pot body when uncapping, thereby prevented that upper cover flick motion is disturbed or restricted scheduling problem, and the structure also can be convenient for upper cover and a kind of deep pot body modularization equipment separately, greatly reduced assembly cost.

In the above technical scheme, the upper cover with the a kind of deep pot body can be covered and can be opened, passageway coupling structure includes: the first opening is arranged on the upper cover and communicated with the inner cavity of the upper cover; the second opening is arranged on the cooker body and communicated with the inner cavity of the cooker body, when the upper cover is covered with the cooker body, the first opening corresponds to and is communicated with the second opening, and when the upper cover is opened with the cooker body, the first opening is separated from the second opening to be disconnected.

In this scheme, passageway coupling structure includes first opening and second opening, locate first opening and cover, can specifically be injectd by hole or the gap of covering if first opening, the second opening is located on the a kind of deep pot body, can specifically be injectd by hole or the gap on the a kind of deep pot body if the second opening, this structure is favorable to realizing when covering and a kind of deep pot body lid and closing at the upper cover, realize first opening and second opening automatic alignment intercommunication, and in the time of the upper cover is opened with a kind of deep pot body, realize first opening and second opening autosegregation with the disconnection, need not to manually go to connect and break off, make more convenient in the product uses, and first opening and second opening correspond and carry out the intercommunication, the structure that the separation was carried out the disconnection can not receive the damage in the cover motion of opening and shutting repeatedly, more do benefit to and guarantee product life.

In the above technical scheme, the pot body is provided with the boss, and the second opening is located on the boss.

In this scheme, set up the boss on the a kind of deep pot body, locate the boss with the second opening on, specifically if, the boss top surface is located to the second opening, and this has raised the second open position to a certain extent, can prevent that a kind of deep pot body surface's water from getting into a kind of deep pot body inner chamber in, have the guard action to the electronic component in the internal chamber of a kind of deep pot.

In the above technical scheme, the upper cover is provided with a concave cavity, the wall of the concave cavity is provided with the first opening, when the upper cover is covered with the cooker body, the boss is embedded into the concave cavity, and the first opening corresponds to the second opening.

In this scheme, it is used for when the upper cover covers with a kind of deep pot body at the upper cover and the boss interlock cooperation on the a kind of deep pot body to be equipped with the cavity, on the one hand, the cavity can play the effect of dodging the boss, avoid the boss on the a kind of deep pot body to appear the problem of interfering with the upper cover, ensure that the upper cover can cover and close in place, on the other hand, the interlock cooperation of boss and cavity can counterpoint first opening and second opening and play the guide effect, promote first opening and second opening counterpoint accuracy, it is smooth and easy to ensure ventilation structure department air current, and simultaneously, the interlock of boss and cavity is in the time of coordinating, the boss lateral wall can shelter from the gap between upper cover and the a kind of deep pot body, reduce the air current and let out the leakage volume, make most gas can reach to the upper cover heating heat preservation in the upper cover inner chamber, promote the heating effect to the upper cover.

In the above technical scheme, the boss is a tapered boss, and the cavity is a tapered cavity matched with the tapered boss.

In this scheme, it is the toper boss to set up the boss, the cavity is for the toper cavity with toper boss adaptation, thus, the boss can realize automatic centering alignment at the in-process of embedding cavity, thereby can correspondingly promote first opening and second opening counterpoint accuracy, it is smooth and easy to ensure ventilation structure department air current, and this toper boss and toper cavity are favorable to the boss to closely cooperate with the cavity, do benefit to and reduce the air current and let out the leakage quantity, make most of gas can reach and heat preservation to the upper cover heating in the upper cover inner chamber, promote the heating effect to the upper cover.

In one technical scheme of the invention, the ventilation structure comprises an air pipe, and the air pipe is connected with the upper cover and the cooker body and communicates an inner cavity of the upper cover with an inner cavity of the cooker body.

In this scheme, set up ventilation structure and include the trachea, trachea and upper cover inner chamber and a kind of deep pot body inner chamber are connected, and is concrete equally to the effect of upper cover inner chamber and a kind of deep pot body inner chamber switch-on, and has simple structure, advantage with low costs, as preferred scheme, can further design the trachea for bellows isotructure that can stretch out and draw back, conveniently uncap, and/or, arrange the trachea at upper cover and a kind of deep pot body articulated position to pull tracheal when reducing to uncap, play the tracheal effect of protection.

In any one of the above technical solutions, the upper cover includes an inner cover and a face cover, the inner cover is located inside the face cover and encloses an inner cavity of the upper cover together with the face cover; and/or the part of the upper cover, which is used for being connected with the ventilation structure, is close to the front end of the upper cover, and the rear end of the upper cover is provided with the exhaust port.

In the scheme, the surface cover and the inner cover of the upper cover define an inner cavity of the upper cover, the inner cover can be heated by utilizing high-temperature air flow in the inner cavity of the upper cover, and an air heat-insulating layer is formed on the outer side of the inner cover, so that the heat absorption quantity of the inner cover to the cover plate can be reduced, the heat absorption quantity of the cover plate to the inner pot is correspondingly reduced, the purpose of reducing the heat loss of the inner pot is realized, and the integral energy efficiency of the cooking equipment is improved; set up the upper cover and be used for the front end of the position neighbouring upper cover that is connected with ventilation structure, the rear end position department of upper cover is equipped with the gas vent, this is favorable to the high temperature air current in the upper cover inner chamber to flow through whole upper cover and realizes evenly heating the upper cover, thereby further promote the heat preservation effect to interior pot, and from upper cover rear end position department exhaust can make exhaust hot air current avoid the user, receive the steam when avoiding the user to use cooking equipment and blow, promote the use of product and experience.

In any one of the above technical solutions, the cooker body includes an outer shell assembly and an inner shell assembly, the inner surface of the inner shell assembly defines a cavity adapted to accommodate the inner pot, the inner shell assembly is embedded in the outer shell assembly, and the outer surface of the inner shell assembly and the inner surface of the outer shell assembly together define the inner cavity of the cooker body.

In the scheme, the outer surface of the inner shell assembly and the inner surface of the outer shell assembly are designed to jointly enclose the inner cavity of the cooker body, so that air flow in the inner cavity of the inner pot and the cooker body is separated by the inner shell assembly, and the problem of heat loss of the inner pot caused by the fact that the air flow contacts the inner pot can be avoided.

In the above technical solution, the air inlet is arranged at the bottom end of the housing assembly; and/or the housing assembly comprises a housing cover, a base and a housing, wherein the housing is arranged along the periphery of the base and is connected with the housing cover and the base; and/or the inner shell assembly comprises a heat insulation ring and a coil disc below the heat insulation ring, and the lower end of the heat insulation ring is connected with the coil disc.

In the scheme, the air inlet is arranged at the bottom end of the shell assembly, so that the air inlet end position of the air inlet is favorably kept clear, the problem that the air inlet is blocked is avoided, the reliable air inlet is ensured, and the attractiveness of a product is favorably improved; the cooker comprises a cooker body, a shell assembly and a cooker body, wherein the cooker body is provided with a first opening and a second opening; the inner shell assembly comprises a heat insulation ring and a coil panel below the heat insulation ring, the lower end of the heat insulation ring is connected with the coil panel, the heat insulation ring can play an effective heat insulation role between air flows in an inner cavity of the inner pot and a cavity of the cooker body, the heat dissipation of the inner pot to the inner cavity of the cooker body is reduced, the heat insulation of the inner pot is facilitated, a containing cavity for containing the inner pot is directly limited by the coil panel and the heat insulation ring, the space between the coil panel and the inner pot is facilitated to be reduced, the heating effect of the inner pot is facilitated to be improved, more specifically, the coil panel comprises a support and a coil on the support, the support is connected with the heat insulation ring and jointly limits the containing cavity for containing the inner pot, the coil is located outside the containing cavity and in the cavity of the cooker body, the air flows in the inner cavity of the cooker body can intensively dissipate heat of working heat production positions (coils) of the coil panel, the operation of the coil is ensured to be reliable, and relatively, the heat dissipation effect of the support is weaker, the heat insulation of the inner pot is facilitated to be insulated, of course, the present invention is not limited thereto, and those skilled in the art can design the outer pot as the inner shell assembly according to the requirement.

In any of the above technical solutions, the electronic component includes at least one of an IGBT and a coil disk.

In the scheme, the heat production amount of the IGBT (Insulated Gate Bipolar Transistor) and the coil of the coil panel during working is high, the heat dissipation requirement is large, correspondingly, the heating efficiency of the air flow passing through the IGBT and/or the coil panel is high, high-temperature air flow is easy to form, the upper cover is heated by the high-temperature air flow formed by heat dissipation of the IGBT and/or the coil panel, a good heating effect can be achieved, and the temperature of the upper cover is increased more quickly.

Of course, the electronic components are not limited to the aforementioned IGBTs and coil panels, and actually, the electronic components may also be any one or any plurality of other electronic components in the cooking device that need to dissipate heat, and one of them is not mentioned here, but the present invention falls within the protection scope of the present solution without departing from the design concept.

Optionally, the cooking device is an electric cooker, an electric pressure cooker, an electric stewpan, or the like.

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

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 cross-sectional view of a cooking apparatus according to an embodiment of the present invention;

fig. 2 is a partially enlarged schematic view of a sectional structure of a cooking apparatus according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a cooking apparatus according to an embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 3 is:

100 upper cover, 110 upper cover inner cavity, 120 air outlet, 131 inner cover, 1311 concave cavity, 132 surface cover, 200 cooker body, 210 cooker body inner cavity, 220 air inlet, 231 casing cover, 2311 boss, 232 base, 233 casing, 241 heat insulation ring, 242 coil panel, 2421 coil, 2422 support, 300 fan, 400IGBT, 500 channel coupling structure, 511 first opening, 512 second opening, 610 temperature controller, 620 inner pan.

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 by the specific embodiments disclosed below.

A cooking apparatus according to some embodiments of the present invention is described below with reference to fig. 1 to 3.

As shown in fig. 1 to 3, a cooking apparatus according to an embodiment of the present invention includes: the upper lid 100, the pot body 200, the venting structure, the fan 300, and the electronic components.

Specifically, the upper cover 100 is provided with an upper cover inner cavity 110 and an exhaust port 120 for exhausting air from the upper cover inner cavity 110; the cooker body 200 is hinged with the upper cover 100 and is provided with a cooker body inner cavity 210 and an air inlet 220 for allowing air to enter the cooker body inner cavity 210; the ventilation structure is used for communicating the inner cavity 210 of the cooker body with the inner cavity 110 of the upper cover; the fan 300 is arranged in the inner cavity 210 of the cooker body, when the fan 300 runs, the air flow is driven to enter the inner cavity 210 of the cooker body from the air inlet 220, and the air flow in the inner cavity 210 of the cooker body is driven to be discharged from the ventilation structure; the electronic components are disposed in the inner cavity 210 of the pot body, wherein the air flow flowing from the air inlet 220 to the air vent structure in the inner cavity 210 of the pot body can dissipate heat of the electronic components.

In the cooking apparatus provided by the above embodiment of the present invention, the upper cover inner cavity 110 and the cooker body inner cavity 210 can be communicated to form a communicating air duct by using the ventilation structure, so that after the fan 300 operates and drives the air flow to cool and dissipate the heat of the electronic component in the cooker body inner cavity 210, the high temperature air flow formed in the cooker body inner cavity 210 is driven to the ventilation structure and can be sent into the upper cover inner cavity 110 through the ventilation structure, so that the high temperature air flow heats and preserves the temperature of the upper cover 100 in the process of flowing through the upper cover inner cavity 110, wherein it can be understood that the heat transfer process is pushed by the temperature difference, and here, the temperature difference between the upper cover 100 and the inner pot 620 in the cooker body 200 can be reduced to a certain extent by heating and preserving the temperature of the upper cover 100, thereby reducing the heat transfer efficiency of the inner pot 620 towards the upper cover 100 direction, being beneficial to improving the performance of the inner pot 620, and solving the problem that the heat preservation performance of the cooking apparatus is short in the aspect of improving due to the poor heat preservation performance of the inner pot 620, and the temperature of the upper surface and the lower surface of food in the pot tends to be uniform, the cooking taste is improved, in the structure, the heat for heating and insulating the upper cover 100 comes from the recovered heat of the electronic element, and the energy is not required to be consumed additionally to heat the upper cover 100 pertinently, so that the optimization configuration of resources and the sufficiency of energy utilization are realized, the primary energy efficiency of cooking equipment is realized, and the energy conservation and emission reduction of products are realized.

In one embodiment of the present invention, it is preferable that the venting structure includes a channel coupling structure 500, the upper cover inner cavity 110 and the pot body inner cavity 210 are detachably connected by the channel coupling structure 500, that is, the channel coupling structure 500 makes the two states of being connectable with and disconnectable from each other between the pot body inner cavity 210 and the upper cover inner cavity 110, so that the pot body inner cavity 210 and the upper cover inner cavity 110 can be connected by the channel coupling structure 500 when the upper cover 100 and the pot body 200 are closed, to ensure smooth ventilation between the upper cover inner cavity 110 and the pot body inner cavity 210, and the pot body inner cavity 210 and the upper cover inner cavity 110 can be disconnected by the channel coupling structure 500 when the upper cover 100 and the pot body 200 are opened, to ensure smooth opening, to avoid the problem of mutual pulling between the upper cover 100 and the pot body 200 when the upper cover is opened, to prevent the problem of the pop-up movement of the upper cover 100 from being interfered or restricted, and the structure also facilitates the respective modularized assembly of the upper cover 100 and the pot body 200, the assembly cost is greatly reduced.

Further, as shown in fig. 3, the upper cover 100 and the pot body 200 can be closed and opened, the channel coupling structure 500 includes a first opening 511 and a second opening 512, the first opening 511 is disposed on the upper cover 100 and is communicated with the upper cover inner cavity 110; the second opening 512 is disposed on the cooker body 200 and is communicated with the inner cavity 210 of the cooker body, and when the upper cover 100 is covered with the cooker body 200, the first opening 511 is corresponding to and communicated with the second opening 512, and when the upper cover 100 is opened with the cooker body 200, the first opening 511 is separated from the second opening 512 to be disconnected, that is, the first opening 511 and the second opening 512 are not corresponding to each other any more, so that they are not communicated with each other.

In the present embodiment, the channel coupling structure 500 includes a first opening 511 and a second opening 512, the first opening 511 is disposed on the upper cover 100, for example, the first opening 511 can be specifically defined by a hole or a gap on the upper cover 100, the second opening 512 is disposed on the pot body 200, for example, the second opening 512 can be specifically defined by a hole or a gap on the pot body 200, the structure is advantageous for realizing that the first opening 511 and the second opening 512 are automatically aligned and communicated when the upper cover 100 is covered with the pot body 200, and the first opening 511 and the second opening 512 are automatically separated and disconnected when the upper cover 100 is opened with the pot body 200, and there is no need to manually connect and disconnect, so that the product is more convenient to use, and it is more advantageous for opening the second opening 512 to communicate with the outside after the cover is opened to improve the heat dissipation efficiency of the electronic components in the inner cavity 210 of the pot body, and the structure in which the first opening 511 and the second opening 512 are correspondingly communicated and separated and disconnected is not damaged in the cover opening and closing movement, the service life of the product is ensured.

Certainly, the present disclosure is not limited to this, and those skilled in the art may design the channel coupling structure 500 as a pipeline coupling structure according to the requirement, specifically, for example, the channel coupling structure includes two tubes detachably connected, one tube is connected to the inner cavity of the upper cover, and the other tube is connected to the inner cavity of the cooker body, so as to manually detach or connect the two tubes.

In a preferred technical solution of the above embodiment, as shown in fig. 2, the boss 2311 is provided on the pot body 200, and the second opening 512 is located on the boss 2311, which raises the position of the second opening 512 to a certain extent, so that water on the surface of the pot body 200 can be prevented from entering the inner cavity 210 of the pot body, and the electric elements in the inner cavity 210 of the pot body can be protected.

Further, as shown in fig. 2, a cavity 1311 is provided on the upper cover 100, a first opening 511 is provided on the wall of the cavity 1311, and when the upper cover 100 is covered with the pot body 200, the boss 2311 is embedded into the cavity 1311, and the first opening 511 corresponds to the second opening 512, wherein, by providing the cavity 1311 on the upper cover 100 for engaging with the boss 2311 on the pot body 200 when the upper cover 100 is covered with the pot body 200, on one hand, the cavity 1311 can function as avoiding the boss 2311, thereby avoiding the problem of interference between the boss 2311 on the pot body 200 and the upper cover 100, and ensuring that the upper cover 100 can be covered in place, on the other hand, the engaging fit between the boss 2311 and the cavity 1311 can function as guiding the alignment between the first opening 511 and the second opening 512, thereby improving the accuracy of the alignment between the first opening 511 and the second opening 512, and ensuring the air flow at the ventilation structure, and, when the boss 2311 engages with the cavity 1311, the boss 2311 can block the gap between the upper cover 100 and the pot body 200, the leakage amount of the air flow is reduced, so that most of the air can reach the inner cavity 110 of the upper cover to heat and preserve the heat of the upper cover 100, and the heating effect of the upper cover 100 is improved.

More specifically, as shown in fig. 2, the housing cover 231 of the pot body 200 is provided with a boss 2311 and a second opening 512 on the top surface of the boss 2311, the inner lid 131 of the upper lid 100 is provided with a cavity 1311 and a first opening 511 on the bottom wall of the cavity 1311, when the upper lid 100 is closed with the pot body 200, the inner lid 131 is buckled on the housing cover 231, at this time, the boss 2311 is embedded into the cavity 1311 to form a snap fit, and the second opening 512 is opposite to the first opening 511 to communicate the upper lid cavity 110 with the pot body cavity 210.

Preferably, as shown in fig. 2, the boss 2311 is a tapered boss, and the cavity 1311 is a tapered cavity adapted to the tapered boss, so that the boss 2311 can be automatically centered and aligned in the process of being inserted into the cavity 1311, and accordingly, the alignment accuracy of the first opening 511 and the second opening 512 can be correspondingly improved, smooth airflow at the ventilation structure is ensured, and the tapered boss and the tapered cavity are favorable for the boss 2311 and the cavity 1311 to be tightly matched, so that the airflow leakage amount is favorably reduced, most of the air can reach the upper cover inner cavity 110 to heat and insulate the upper cover 100, and the heating effect on the upper cover 100 is improved.

In an embodiment of the present invention, the air pipe (not shown) is connected to the upper cover 100 and the pot body 200, and connects the upper cover inner cavity 110 to the pot body inner cavity 210, and the structure also has the effect of connecting the upper cover inner cavity 110 to the pot body inner cavity 210, and has the advantages of simple structure and low cost, as an optimal scheme, the air pipe can be further designed to be a flexible bellows structure, etc., so as to facilitate the opening of the cover, and/or the air pipe is arranged at the hinged position of the upper cover 100 and the pot body 200, so as to reduce the pulling of the air pipe when the cover is opened, and to protect the air pipe.

In any of the above embodiments, as shown in fig. 1 and 3, the upper cover 100 includes the inner cover 131 and the surface cover 132, the inner cover 131 is located inside the surface cover 132, and the inner cover 110 is enclosed together with the surface cover 132, a high-temperature airflow in the inner cover 110 can be used to heat the inner cover 131, and an air insulation layer is formed outside the inner cover 131, so that the amount of heat absorbed by the inner cover 131 to the cover plate can be reduced, the amount of heat absorbed by the cover plate to the inner pot 620 can be correspondingly reduced, the purpose of reducing heat loss of the inner pot 620 is achieved, and the overall energy efficiency of the cooking device is improved.

In any of the above embodiments, as shown in fig. 1, the portion of the upper cover 100 for connecting with the ventilation structure is adjacent to the front end of the upper cover 100, and the rear end of the upper cover 100 is provided with the exhaust port 120, which is beneficial for the high-temperature airflow in the inner cavity 110 of the upper cover to flow through the whole upper cover 100 to realize uniform heating of the upper cover 100, so as to further improve the heat preservation effect of the inner pot 620, and exhaust from the rear end of the upper cover 100 can make the exhausted hot airflow avoid the user, avoid the user from being blown by hot air when using the cooking device, and improve the use experience of the product.

In any of the above embodiments, the cooker body 200 includes the outer shell assembly and the inner shell assembly, the inner surface of the inner shell assembly defines the accommodating cavity suitable for accommodating the inner pot 620, the inner shell assembly is embedded in the outer shell assembly, and the outer surface of the inner shell assembly and the inner surface of the outer shell assembly together define the cooker body inner cavity 210, so that the inner pot 620 and the air flow in the cooker body inner cavity 210 are separated by the inner shell assembly, thereby avoiding the problem of heat loss of the inner pot 620 caused by the air flow contacting the inner pot 620.

More specifically, as shown in fig. 1, the housing assembly includes a housing cover 231, a base 232, and a housing 233, the housing 233 being disposed along an outer periphery of the base 232 and connecting the housing cover 231 and the base 232.

Further, as shown in fig. 1, the bottom end of the housing assembly is provided with an air inlet 220, that is, the base 232 is provided with the air inlet 220, which is beneficial to the clearance of the air inlet end of the air inlet 220, thereby avoiding the problem that the air inlet 220 is blocked, ensuring the reliability of air inlet, and being beneficial to the improvement of the product aesthetic property.

Alternatively, as shown in fig. 1, the inner shell assembly comprises an insulating ring 241 and a coil panel 242 below the insulating ring 241, the lower end of the insulating ring 241 is connected to the coil panel 242, wherein the insulating ring 241 can effectively insulate the air flow in the inner pot 620 and the inner pot body cavity 210, reduce the heat dissipation of the inner pot 620 into the inner pot body cavity 210, facilitate the heat preservation of the inner pot 620, and facilitate the increase of the heating effect of the inner pot 620 by directly defining a receiving cavity for receiving the inner pot 620 by the coil panel 242 and the insulating ring 241, which can facilitate the reduction of the distance between the coil panel 242 and the inner pot 620, and more specifically, as shown in fig. 1, the coil panel 242 comprises a support 2422 and a coil 2421 on the support 2422, the support 2422 is connected to the insulating ring 241 and together defines a receiving cavity for receiving the inner pot 620, the coil 2421 is located outside the receiving cavity and in the inner pot body cavity 210, so that the air flow in the inner pot body cavity 210 can concentrate the heat dissipation part (coil 2421) generating heat to the heat of the coil panel 242, the coil 2421 is ensured to run reliably, and relatively, the heat dissipation effect on the support 2422 is weak, which is beneficial to heat preservation of the inner pot 620.

Alternatively, as shown in fig. 1, the electronic component includes at least one of the IGBT 400 and the coil panel 242, where the IGBT 400 and the coil 2421 of the coil panel 242 generate high heat during operation, the heat dissipation requirement is large, and accordingly, the heating efficiency of the air flow passing through the IGBT 400 and the coil panel 242 is also high, and a high-temperature air flow is easily formed, and the upper cover 100 is heated by the high-temperature air flow generated by dissipating heat from the IGBT 400 and/or the coil panel 242, which may have a good heating effect, so that the upper cover 100 is heated more quickly.

Alternatively, the cooking appliance is an electric rice cooker, an electric pressure cooker, an electric stewpan, or the like.

In an embodiment of the present invention, as shown in fig. 1 to 3, the cooking apparatus is an electric cooker having an upper cover 100 and a pot body 200, the upper cover 100 is provided with an upper cover inner cavity 110, the pot body 200 is provided with a pot body inner cavity 210, and more specifically, as shown in fig. 1 to 3, the upper cover inner cavity 110 is a cavity formed by an inner cover 131 and a face cover 132, the inner cover 131 has a first opening 511, the pot body inner cavity 210 is a cavity formed by a housing cover 231, a housing 233, a base 232, a coil disc 242 and a heat insulation ring 241, the middle plate of the housing cover 231 has a second opening 512, the second opening 512 corresponds to the first opening 511 of the inner cover 131, and forms a channel when closing, and the formed channel is used to communicate the upper cover inner cavity 110 with the pot body inner cavity 210.

In addition, the fan 300 is arranged in the body cavity 210 of the cooker body 200, specifically, the air inlet 220 for feeding air to the body cavity 210 is arranged on the base 232 of the cooker body 200, the fan 300 is arranged above the air inlet 220 of the base 232, the design eliminates the air outlet on the base 232 in the conventional structure, as shown in fig. 1, the dashed line arrow and the solid line arrow in fig. 1 both indicate the general flow direction of the air flow in the cooking device, but not the air flow trajectory, specifically, when the fan 300 is operated, the cold air outside the body cavity 210 is driven to enter the body cavity 210 from the air inlet 220 on the base 232 and blow to the IGBT 400 and the coil 2421 of the coil panel 242, and then to exit the body cavity 210 from the second opening 512 on the housing cover 231, wherein the high-temperature air flow discharged from the second opening 512 can enter the upper cover cavity 110 along the first opening 511 on the inner cover 131, and the heat carried by the air flow from the coil 2421 of the IGBT 400 and the coil panel 242 is used for heating the upper cover 100, and finally, the heat which is originally directly discharged to the environment and lost is effectively recycled, meanwhile, the temperature difference between the upper cover 100 and the inner pot 620 in the cooker body 200 can be reduced by heating the upper cover 100, the heat of the inner pot 620 is correspondingly inhibited from being transferred to the upper cover 100, the effect of improving the energy efficiency of the electric cooker is achieved, and the one-level energy efficiency of the cooking equipment is facilitated.

In addition, as shown in fig. 1, the heat insulation ring 241 is connected with the coil panel 242 to define a containing cavity, the rice cooker further comprises an inner pot 620, the inner pot 620 is located in the containing cavity, and a temperature controller 610 extending into the containing cavity for measuring the temperature of the inner pot 620 is preferably arranged on the coil panel 242.

Preferably, as shown in fig. 2, the housing cover 231 is provided with a boss 2311, and the second opening 512 of the housing cover 231 is positioned on the boss 2311 to prevent water on the housing cover 231 from flowing into the cooker body inner cavity 210.

In summary, in the cooking apparatus provided by the present invention, the inner cavity of the upper cover and the inner cavity of the pot body can be communicated to form a communicating air duct by the ventilation structure, so that after the fan operates and drives the air flow to cool and dissipate the heat of the electronic component in the inner cavity of the pot body, the high temperature air flow formed in the inner cavity of the pot body is driven to the ventilation structure and can be sent into the inner cavity of the upper cover through the ventilation structure, so that the high temperature air flow can heat and insulate the upper cover in the process of flowing through the inner cavity of the upper cover, wherein it can be understood that the heat transfer process is promoted by the temperature difference, and the temperature difference between the upper cover and the inner pot in the pot body can be reduced to a certain extent by heating and insulating the upper cover, thereby reducing the heat transfer efficiency of the inner pot in the direction of the upper cover, improving the heat insulating property of the inner pot, solving the problem that the cooking apparatus has a short plate in the aspect of improving the energy efficiency due to the poor heat insulating property of the inner pot, and also facilitating the uniform temperature of the upper and lower surfaces of food in the pot, promote the culinary art taste, and in this structure for heat to the upper cover and heat retaining heat comes from the recovery heat to electronic component, and need not additionally to consume the energy and in order to pertinence ground to the upper cover heating, has realized the sufficiency of the optimal configuration of resource and energy utilization, helps cooking equipment to realize the one-level efficiency, realizes the energy saving and emission reduction of product.

In the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. 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 "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience in describing the present invention and simplifying the 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 operate, 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. 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.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by 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

1. A cooking apparatus, characterized by comprising:

the upper cover is provided with an upper cover inner cavity and an exhaust port for exhausting air from the upper cover inner cavity;

the cooker body is hinged with the upper cover and is provided with a cooker body inner cavity and an air inlet for allowing air to enter the cooker body inner cavity;

the ventilating structure is used for communicating the inner cavity of the cooker body with the inner cavity of the upper cover and insulating the upper cover;

the fan is arranged in the inner cavity of the cooker body, and when the fan operates, the fan drives airflow to enter the inner cavity of the cooker body from the air inlet and drives the airflow in the inner cavity of the cooker body to be discharged from the ventilating structure;

the electronic element is arranged in the inner cavity of the cooker body, and the air flow flowing from the air inlet to the ventilation structure in the inner cavity of the cooker body can dissipate heat of the electronic element;

the upper cover inner cavity and the cooker body inner cavity form detachable connection through the channel coupling structure;

the upper cover with the a kind of deep pot body can be covered and merge can open, passageway coupling structure includes:

the first opening is arranged on the upper cover and communicated with the inner cavity of the upper cover;

the second opening is arranged on the cooker body and communicated with the inner cavity of the cooker body, when the upper cover is covered with the cooker body, the first opening corresponds to and is communicated with the second opening, and when the upper cover is opened with the cooker body, the first opening is separated from the second opening to be disconnected.

2. The cooking apparatus of claim 1,

the cooker body is provided with a boss, and the second opening is located on the boss.

3. The cooking apparatus of claim 2,

the upper cover is provided with a concave cavity, the wall of the concave cavity is provided with the first opening, when the upper cover is covered with the cooker body, the boss is embedded into the concave cavity, and the first opening corresponds to the second opening.

4. Cooking apparatus according to claim 3,

the boss is a conical boss, and the concave cavity is a conical concave cavity matched with the conical boss.

5. The cooking apparatus of claim 1,

the ventilating structure comprises an air pipe, the air pipe is connected with the upper cover and the cooker body, and an inner cavity of the upper cover is communicated with an inner cavity of the cooker body.

6. Cooking apparatus according to any of claims 1 to 5,

the upper cover comprises an inner cover and a face cover, the inner cover is positioned on the inner side of the face cover, and the inner cover and the face cover jointly enclose an inner cavity of the upper cover; and/or

The part of the upper cover, which is used for being connected with the ventilation structure, is adjacent to the front end of the upper cover, and the rear end of the upper cover is provided with the exhaust port.

7. Cooking apparatus according to any of claims 1 to 5,

the cooker body comprises an outer shell assembly and an inner shell assembly, wherein a containing cavity suitable for containing the inner pot is formed in the inner surface of the inner shell assembly in a surrounding mode, the inner shell assembly is embedded in the outer shell assembly, and the outer surface of the inner shell assembly and the inner surface of the outer shell assembly jointly define the inner cavity of the cooker body.

8. Cooking apparatus according to claim 7,

the bottom end of the shell assembly is provided with the air inlet; and/or

The shell assembly comprises a shell cover, a base and a shell, wherein the shell is arranged along the periphery of the base and is connected with the shell cover and the base; and/or

The inner shell assembly comprises a heat insulation ring and a coil panel below the heat insulation ring, and the lower end of the heat insulation ring is connected with the coil panel.

9. Cooking apparatus according to any of claims 1 to 5,

the electronic component includes at least one of an IGBT and a coil disk.