WO2022124814A1

WO2022124814A1 - Cooking appliance

Info

Publication number: WO2022124814A1
Application number: PCT/KR2021/018618
Authority: WO
Inventors: 남현식; 김완수; 박병규
Original assignee: 엘지전자 주식회사
Priority date: 2020-12-10
Filing date: 2021-12-09
Publication date: 2022-06-16
Also published as: KR20220082636A; CN116600683A

Abstract

The present application relates to a cooking appliance, and more specifically, to a cooking appliance which comprises a lid and a main body, and of which an inner pot is heated by induction heating. The cooking appliance according to one embodiment of the present application, instead of including separate components (for example, a blower fan or an air guide) for lowering the temperature inside a sealed inner space formed by a bottom case, an external case, and an inner case of the main body, includes an air inlet formed in the bottom case and an air vent formed in the external case. Outside air introduced through the air inlet absorbs thermal energy in the inner space of the main body and is discharged through the air vent. Accordingly, the inner space of the main body is cooled.

Description

cooking appliance

The present specification relates to a cooking appliance, and more particularly, to a cooking appliance including a detachable lid and a main body, wherein an inner pot is heated by induction heating.

A cooking appliance generally referred to as a rice cooker or cooker is a device for heating food contained in an inner container. The inner container is referred to as an inner pot, and is accommodated in an inner pot receiving space formed inside the main body of the cooking appliance. The food contained in the inner pot is heated by supplying thermal energy to the inner pot while the inner pot is accommodated in the inner pot receiving space and the inner pot receiving space is sealed by the lid. Recently, a cooking appliance for supplying thermal energy to an inner pot by using induction heating has been widely used.

1 is a cross-sectional view of a cooking appliance according to the prior art.

Referring to FIG. 1 , a cooking appliance 1 according to the related art includes a lid 120 , an inner pot 130 , and a body 170 .

The lid 120 is coupled to the main body 170 to seal the inner pot receiving space 172 formed inside the main body 170 . A pressure weight 110 is disposed on the upper surface of the lid 120 . The pressure weight 110 controls the pressure inside the inner pot 130 when the food contained in the inner pot 130 is cooked in a state in which the lid 120 is coupled to the body 170 and the inner pot receiving space 172 is sealed. It serves to keep it constant.

The inner pot 130 is a container for storing food to be cooked or cooked food. The inner pot 130 is accommodated in the inner pot receiving space 172 formed in the body 170 .

The body 170 has a hollow cylindrical shape and has one surface open. The inner pot 130 is accommodated in the inner pot receiving space 172 formed in the body 170 . The lid 120 is coupled to the open surface of the body 170 to seal the inner pot receiving space 172 .

As shown in FIG. 1 , the main body 170 has an inner case 141 forming an inner pot receiving space 172 , an outer case 142 forming an outer surface of the main body 170 , and the bottom of the main body 170 . and a bottom case 143 defining a surface.

An electronic device 181 , a heating coil 182 , and a power transmission coil 183 are provided in the sealed inner space 144 formed by the combination of the inner case 141 , the outer case 142 , and the bottom case 143 . each is placed

The electronic device 181 is a device driven by an external power source or power supplied through the power transmission coil 183 .

When a high-frequency current is supplied to the heating coil 182 , a magnetic field is generated in the heating coil 182 . When an eddy current is induced in the inner pot 130 by the magnetic field generated in the heating coil 182 , Joule heat is generated in the inner pot 130 by the resistance component of the inner pot 130 , eddy current loss, and hysteresis loss. Accordingly, the inner pot 130 is heated.

The power transmission coil 183 receives power from a working coil of an induction heating device (not shown). The current induced in the power transmission coil 183 is supplied to the heating coil 182 electrically connected to the power transmission coil 183 to enable heating of the inner pot 130 by the heating coil 182 .

When current is supplied to the heating coil 182 to heat the inner pot 130 , thermal energy generated in the inner pot 130 is transferred to the body 170 . As a result, the temperature of the body 170 rises.

As shown in FIG. 1 , when the inner pot 130 is heated, the temperature of the inner case 141 adjacent to the inner pot 130 is relatively higher than the temperature of the outer case 142 or the bottom case 143 . Accordingly, the temperature around the inner case 141 increases in the sealed inner space 144 formed by the combination of the inner case 141, the outer case 142, and the bottom case 143, so that the temperature around the inner case 141 is increased. The air rises (aa).

On the other hand, the temperature around the outer case 142 in the inner space 144 is relatively lower than the temperature around the inner case 141 . Accordingly, the air bb flowing in the direction of the outer case 142 descends around the outer case 142 (cc). The air descending around the outer case 142 flows again in the direction of the inner case 141 (dd).

As a result, as the inner pot 130 is heated, high-temperature air circulates in the sealed inner space 144 of the body 170 as indicated by arrows aa, bb, cc, and dd. However, since a separate component (eg, a heat sink or a fan) for cooling is not disposed in the sealed inner space 144 , the temperature of the inner space 144 is maintained high while the inner pot 130 is heated.

As such, while the inner pot 130 is heated, the temperature of the electronic device 181 disposed in the inner space 144 increases due to the high-temperature air circulating inside the inner space 144 . Accordingly, the possibility that the electronic device 181 may fail is increased.

In addition, if the temperature of the inner space 144 is maintained high due to the high-temperature air circulating inside the inner space 144 while the inner pot 130 is heated, when a part of the user's body comes into contact with the outer case 142, the user increase your chances of getting burned.

On the other hand, Patent Document 1 (Japanese Patent Application Laid-Open No. 3006588) discloses an electric rice cooker having a function of cooling rice after cooking is finished. 2 is a cross-sectional view of the electric rice cooker disclosed in Patent Document 1.

In FIG. 2 , the electric rice cooker includes a body 21 and a lid 22 hinged with the body 21 . The inner pot 3 is accommodated in the inner pot receiving space of the body 21 . The inner pot 3 is heated by the working coil 25 .

A cooling fan 34 and a blowing fan 32 are respectively disposed in the inner space 24 of the body 21 .

When the cooling fan 34 is driven, external air is introduced into the internal space 24 through the intake port 35 , and the introduced air cools the power transistor and the diode bridge for rectification disposed in the internal space 24 .

In addition, in Patent Document 1, when the cooking of the food contained in the inner pot 23 is finished, the blowing fan 32 is driven. Wind (W) generated by driving the blowing fan (32) is introduced into the blowing passage (P) formed by the duct (30) and the annular passage (31). The wind (W) introduced into the blowing passage (P) flows into the annular gap (C) formed between the inner pot (23) and the main body (21) to cool the inner pot (23).

According to Patent Document 1, components for cooling the internal space 24 of the body 21, for example, the cooling fan 34, the blowing fan 32, the duct 30, the annular passage 31, etc. It should be placed in space 24 . Accordingly, the structure of the inner space 24 of the electric rice cooker is complicated and the manufacturing cost of the electric rice cooker is increased.

In addition, there is a problem in that noise is generated due to the driving of the cooling fan 34 or the blowing fan 32 .

In addition, Patent Document 1 does not clearly disclose a structure in which the high-temperature air generated after cooling the power transistor, the diode bridge for rectification, or the inner pot 23 is discharged to the outside of the main body 21 .

In addition, as shown in FIG. 2 , since the flow of air flowing in the internal space 24 is not smooth due to the complicated structure and shape of the internal space 24 , it is difficult to efficiently cool the internal space 24 .

Patent Document 2 (Korean Patent Publication No. 2000-0051156) discloses an electric rice cooker having a heat dissipation structure. 3 is a cross-sectional view of the electric rice cooker disclosed in Patent Document 2.

In FIG. 3 , a high heat generating element such as a control board part 41 , a switching element 42 , and a capacitor 43 is disposed inside the main body of the electric rice cooker. In order to cool such a high heat generating element, a heat sink 51 and a blowing fan 52 are disposed inside the body.

When the blowing fan 52 is driven, cold air flowing in from the outside flows into the body, and the introduced air moves toward the heat sink 51 by the air guide 53 and the guide partition wall 55 in the direction of the heat sink ( 51) is cooled. The air heated through the heat sink 51 is discharged to the outside of the body through the exhaust port 54 .

According to Patent Document 2, components for cooling inside the body, for example, a heat sink 51 , a blower fan 52 , an air guide 53 , a guide partition wall 55 , etc. should be disposed in the body internal space. Accordingly, the internal structure of the main body is complicated and the manufacturing cost of the electric rice cooker is increased.

In addition, there is a problem in that noise is generated due to the driving of the blowing fan 52 .

In addition, as shown in FIG. 3 , due to the complicated structure and shape of the internal space of the body, the flow of air flowing inside the body is not smooth, so it is difficult to efficiently cool the high heat generating elements.

An object of the present specification is to provide a cooking appliance capable of effectively lowering the temperature of the inner space of the main body through natural convection without a separate component for cooling when the inner pot accommodated in the main body is heated.

In addition, the object of the present specification is to simplify the manufacturing process, lower the manufacturing cost, and increase the size of the inner pot by cooling the internal space of the body through a simple structure compared to the prior art without having a separate component for cooling to provide the device.

Another object of the present specification is to provide a cooking appliance with improved durability and lowering the probability of failure of an electronic device accommodated in the body internal space by lowering the temperature of the internal space of the body when the inner pot accommodated in the body is heated.

It is also an object of the present specification to provide a cooking appliance capable of reducing the possibility of a user getting burned when a part of the user's body comes into contact with the outer surface of the main body by lowering the temperature of the outer surface of the main body when the inner pot accommodated in the main body is heated. will be.

Another object of the present specification is to provide a cooking appliance in which aesthetics are improved because a structure for cooling the internal space of a body is not easily conspicuous in a user's field of view.

Another object of the present specification is to provide a cooking appliance that is resistant to contamination and is easy to clean.

Another object of the present specification is to provide a cooking appliance in which an intake port and an exhaust port for cooling an internal space of a body having a cylindrical shape are disposed so as not to impair the aesthetics.

Another object of the present specification is to provide a cooking appliance in which an intake port and an exhaust port are disposed so as not to impair the aesthetics of a main body having a symmetrical shape in which front and rear or left and right sides are not distinguished.

Another object of the present specification is to provide a cooking appliance that a user can conveniently move or store in a storage space.

Another object of the present specification is to provide a cooking appliance that can be used in a non-directional manner in an induction heating device.

Another object of the present specification is to provide a cooking appliance capable of cooling the storage space inside the main body while maintaining a compact size for easy movement or storage.

The purpose of the present specification is not limited to the above-mentioned purpose, and other objects and advantages of the present specification that are not mentioned will be more clearly understood by the examples of the present specification described below. In addition, the objects and advantages of the present specification can be realized by the elements and combinations thereof recited in the claims.

The cooking appliance according to an embodiment of the present specification may include an inner pot, a body having an inner pot receiving space for accommodating the inner pot, and a lid coupled to one surface of the body to seal the inner pot receiving space.

In one embodiment of the present specification, the main body is formed at a position corresponding to the main body handle disposed on one side of the main body, the intake port which is formed on one side of the main body and introduces air into the inner space of the main body, and the main body handle, It may include an exhaust port for discharging the air flowing into the inner space to the outside.

The cooking appliance according to an embodiment of the present specification does not include a separate component (eg, a heat sink or a fan) for lowering the temperature of the sealed internal space formed by the inner case, the outer case, and the bottom case of the main body. In, it includes an intake port formed in the bottom case and an exhaust port formed in the outer case. External air introduced through the intake port absorbs thermal energy in the internal space of the body and is discharged through the exhaust port.

In one embodiment of the present specification, the intake port may be formed on one side of the bottom case of the main body.

In one embodiment of the present specification, the bottom case includes a first bottom portion forming a bottom surface of the main body, and a second bottom surface portion formed to be stepped with the first bottom surface portion. The intake port may be formed in the second bottom surface portion.

In one embodiment of the present specification, a guide portion disposed to face the exhaust port and spaced apart from the end of the exhaust port by a predetermined distance may be formed on the lower surface of the main body handle.

In one embodiment of the present specification, a distance between the end of the guide portion and the end of the exhaust port may be less than 1/2 of the length of the side portion of the main body handle.

In one embodiment of the present specification, the air discharged through the exhaust port passes between the end of the guide portion and the end of the exhaust port may flow in a direction toward the side surface of the handle of the body.

In one embodiment of the present specification, the cooking appliance may include a first guide part and a second guide part each having an arc shape. One end of the first guide part and one end of the second guide part may be connected to each other.

In one embodiment of the present specification, the distance between the connection point of the first guide part and the second guide part and the end of the exhaust port is a distance between the other end of the first guide part and the end of the exhaust port or the other end of the second guide part and the exhaust port may be smaller than the distance between the ends of

In one embodiment of the present specification, the body handle may be made of a non-metallic material.

In one embodiment of the present specification, a lid cover may be coupled to the upper portion of the lid. The lid cover may be made of a metal material.

In one embodiment of the present specification, the lower surface of the body may be made of a non-metallic material.

In one embodiment of the present specification, the outer surface of the body may be made of a metal material.

In one embodiment of the present specification, the inner pot may be heated by power wirelessly supplied from an external device.

In one embodiment of the present specification, a lid handle may be disposed on one side of the lid.

In one embodiment of the present specification, the body may be formed in a cylindrical shape.

In one embodiment of the present specification, the inner pot may be heated by the induction heating device regardless of the direction in which the outer surface of the body faces in a state in which the body is placed on top of the induction heating device.

In addition, in the cooking appliance according to another embodiment of the present specification, an inner pot heated by electric power wirelessly supplied from an external device, a body having an inner pot receiving space, and a lid coupled to one surface of the main body to seal the inner pot receiving space may include

In one embodiment of the present specification, the body is formed in the inner case forming the inner pot receiving space, the outer case forming the outer surface of the main body, the bottom case forming the bottom surface of the main body, the bottom case The inner case may include an intake port communicating with the inner space formed by the outer case and the bottom case, and an exhaust port formed on the outer case and communicating with the inner space.

In one embodiment of the present specification, the bottom case may include a first bottom portion forming a bottom surface of the body, and a second bottom surface portion formed to be stepped with the first bottom surface portion. The intake port may be formed in the second bottom surface portion.

In one embodiment of the present specification, the body may further include a body handle disposed on the upper end of the body. The exhaust port may be formed at a position corresponding to the position of the main body handle.

In one embodiment of the present specification, the guide part may include a first guide part and a second guide part each having an arc shape. One end of the first guide part and one end of the second guide part may be connected to each other.

In one embodiment of the present specification, the bottom case may be made of a non-metallic material.

According to an embodiment of the present specification, when the inner pot accommodated in the main body of the cooking appliance is heated, the air introduced into the intake port is discharged through the exhaust port through the natural convection method, thereby cooling the internal space of the body. As such, the cooking appliance according to the exemplary embodiment of the present specification can more efficiently lower the temperature of the internal space of the body through a natural convection method without including a separate component for cooling such as a blower fan or an air guide. Accordingly, components such as a blower fan or air guide are omitted and the internal space of the body is cooled through a simpler structure than in the prior art, thereby simplifying the manufacturing process of the cooking appliance, lowering the manufacturing cost, and increasing the size of the inner pot.

In particular, since cooling is performed by a natural convection method without forcibly introducing external air into the internal space of the main body by the blowing fan, noise due to the driving of the blowing fan is not generated during the driving process of the cooking appliance.

Also, according to an embodiment of the present specification, when the inner pot accommodated in the main body of the cooking appliance is heated, the electronic device disposed in the inner space of the main body is cooled. Accordingly, the probability of occurrence of a failure of the electronic device accommodated in the internal space of the main body is reduced, and thus the durability of the cooking appliance is improved.

In addition, according to an embodiment of the present specification, since the temperature of the inner space of the main body is lowered when the inner pot accommodated in the main body of the cooking appliance is heated, the temperature of the outer surface of the main body is also lowered. Accordingly, when a situation in which a part of the user's body comes into contact with the outer surface of the main body in the process of using the cooking appliance occurs, the possibility of the user being burned may be reduced.

In addition, in one embodiment of the present specification, the intake and exhaust ports for cooling the internal space of the body are not easily exposed to the user's view in the process of using the cooking device, so that the aesthetics of the cooking device is improved.

In addition, in one embodiment of the present specification, the outer surface of the main body of the cooking appliance may be made of a metal material. In addition, the upper surface of the lid completely separated from the body may be made of a metal material. Accordingly, the cooking appliance is resistant to contamination, and the user can conveniently clean the cooking appliance.

In addition, in the exemplary embodiment of the present specification, the main body of the cooking appliance has a cylindrical shape, and since components other than the handle are not disposed on the outer surface of the main body, it has a higher aesthetic feeling compared to the conventional cooking appliance. In this way, an intake port and an exhaust port are disposed for cooling of the inner space of the body having a cylindrical shape. In an exemplary embodiment of the present specification, the intake and exhaust ports are respectively disposed at positions that are inconspicuous to the user, so that the cooling performance of the cooking device is increased, but the aesthetics of the cooking device is not deteriorated.

In addition, in one embodiment of the present specification, the cooking appliance has a symmetrical shape without distinction of front and rear or left and right, and thus has a higher aesthetic sense than a conventional cooking appliance. In this way, the intake and exhaust ports are disposed for cooling of the internal space of the body having a symmetrical shape. In an exemplary embodiment of the present specification, the intake and exhaust ports are respectively disposed at positions that are inconspicuous to the user, so that the cooling performance of the cooking device is increased, but the aesthetics of the cooking device is not deteriorated.

On the other hand, the cooking appliance according to the prior art is supplied with electric power through a wire through a cable connected to an outlet, so it is not stored in a storage space but is placed in a fixed position and is not frequently moved by a user. However, the cooking appliance according to an embodiment of the present specification may receive power wirelessly through an induction heating device. Accordingly, the user may take out the cooking appliance from the storage space during cooking, place it on the induction heating device, and store the cooking appliance in the storage space when cooking is completed. According to one embodiment of the present specification, since the user can easily lift the main body or the lid by using the main body handle and the lid handle, the user can move the cooking appliance conveniently, and the cooking appliance can be easily stored.

In addition, when the cooking appliance according to an embodiment of the present specification receives power from the induction heating device, power is supplied to the inside of the cooking device through the lower surface of the main body in contact with the induction heating device. Therefore, it is advantageous that the shape of the lower surface of the main body is circular in order to evenly transmit electric power to the inside of the cooking appliance. In addition, since the lower surface of the main body is formed in a circular shape, when the cooking appliance is placed on the upper part of the induction heating apparatus, electric power can be uniformly transmitted into the cooking appliance regardless of a direction in which the cooking appliance faces. According to an exemplary embodiment of the present specification, since the lower surface of the cooking device is formed in a circular shape, the cooking device may be used in a non-directional manner on the induction heating apparatus.

Meanwhile, cooling of the storage space inside the main body is required during the driving process of the cooking appliance. If the size of the cooking appliance is not limited, the size of the storage space inside the main body is formed to be larger, and a space in which a cooling means such as a blowing fan or an air guide for cooling is disposed may be provided in the storage space. However, since the cooking appliance according to the exemplary embodiment of the present specification receives power from the induction heating device, the size of the cooking appliance is limited according to the size of the induction heating device and the size of the heating area. In addition, since the cooking appliance according to the exemplary embodiment of the present specification is frequently moved and accommodated unlike the conventional cooking appliance, it is preferable that the cooking appliance have a compact size so that a user can easily move and accommodate the cooking appliance. Due to this, the size of the cooking appliance is limited to a certain size or less. In addition, even if the size of the cooking appliance is limited to a certain size or less, it is not preferable to reduce the size of the inner pot receiving space inside the main body. Therefore, when the size of the cooking appliance is limited, it is impossible to dispose a cooling means such as a blower fan or an air guide in the storage space inside the main body. According to an embodiment of the present specification, in a state where the size of the cooking appliance is limited to a certain size, it is possible to cool the storage space inside the main body without a cooling means such as a blower fan or an air guide. Accordingly, the overall size of the cooking appliance becomes compact, and the size reduction of the inner pot accommodating space due to the arrangement of the cooling means is prevented.

1 is a cross-sectional view of a cooking appliance according to the prior art.

2 is a cross-sectional view of the electric rice cooker disclosed in Patent Document 1.

3 is a cross-sectional view of the electric rice cooker disclosed in Patent Document 2.

4 is a perspective view illustrating a state in which a lid, an inner pot, and a main body of a cooking appliance according to an embodiment of the present specification are separated.

5 is a cross-sectional view illustrating a state in which a lid, an inner pot, and a main body of a cooking appliance according to an embodiment of the present specification are coupled.

6 is a perspective view illustrating an intake port and an exhaust port of the cooking appliance according to an embodiment of the present specification.

7 is a view showing the main body handle and the exhaust port viewed from the bottom of the cooking appliance shown in FIG.

8 is a perspective view illustrating an intake port and an exhaust port of a cooking appliance according to another exemplary embodiment of the present specification.

9 is a view showing the main body handle and the exhaust port viewed from the bottom of the cooking appliance shown in FIG.

10 is a perspective view illustrating an intake port and an exhaust port of a cooking appliance according to another embodiment of the present specification;

11 is a view showing the main body handle and the exhaust port viewed from the bottom of the cooking appliance shown in FIG.

The above-described objects, features and advantages will be described below in detail with reference to the accompanying drawings, and accordingly, those skilled in the art to which this specification pertains will be able to easily practice the present specification. In the description of the present specification, if it is determined that a detailed description of a known technology related to the present specification may unnecessarily obscure the gist of the present specification, the detailed description will be omitted. Hereinafter, preferred embodiments according to the present specification will be described in detail with reference to the accompanying drawings. In the drawings, the same reference numerals indicate the same or similar components.

In the following, that an arbitrary component is disposed on the "upper (or lower)" of a component or "upper (or below)" of a component means that any component is disposed in contact with the upper surface (or lower surface) of the component. Furthermore, it may mean that other components may be interposed between the component and any component disposed on (or under) the component.

In addition, when it is described that a component is “connected”, “coupled” or “connected” to another component, the components may be directly connected or connected to each other, but other components are “interposed” between each component. It should be understood that “or, each component may be “connected,” “coupled,” or “connected,” through another component.

4 is a perspective view illustrating a state in which a lid, an inner pot, and a main body of a cooking appliance according to an embodiment of the present specification are separated. 5 is a cross-sectional view illustrating a state in which a lid, an inner pot, and a main body of a cooking appliance according to an embodiment of the present specification are combined.

Referring to the drawings, the cooking appliance 100 according to an embodiment of the present specification includes a lid 120 , an inner pot 130 , and a body 170 .

The lid 120 is coupled to the main body 170 to seal the inner pot receiving space 172 formed inside the main body 170 . Accordingly, the lid 120 has a shape corresponding to the inner pot receiving space 172 of the body 170 . For example, in the embodiment of FIG. 4 , the cross-section of the lid 120 is circular, but the shape of the lid 120 may vary depending on the embodiment.

As shown in the drawings, the lid 120 according to an embodiment of the present specification is a detachable lid. That is, the lid 120 according to an embodiment of the present specification is not hinged with the body 170 , and is completely separated from the body 170 . As such, when the lid 120 is completely separated from the body 170, it is easy to move, wash, or repair the lid 120 and the body 170, respectively.

A pressure weight 110 is disposed on the upper surface of the lid 120 . The pressure weight 110 controls the pressure inside the inner pot 130 when the food contained in the inner pot 130 is cooked in a state in which the lid 120 is coupled to the body 170 and the inner pot receiving space 172 is sealed. It serves to keep it constant. For example, when the pressure inside the inner pot 130 is higher than a preset pressure, the pressure weight 110 may be raised by the steam inside the inner pot 130 and some steam may be discharged.

In addition, a soundproofing cap 112 having a built-in sound absorbing member for reducing noise generated when steam is discharged by the pressure weight 110 is disposed in the peripheral portion of the pressure weight 110 .

A lid cover 114 is coupled to the upper surface of the lid 120 . An electronic device or a mechanical device for controlling or driving the cooking appliance 100 may be disposed on a lower surface of the lid cover 114 .

In one embodiment of the present specification, the lid cover 114 may be made of a metal material. When the lid cover 114 is made of a metal material, it is convenient to wash foreign substances on the lid cover 114, and it is possible to prevent the lid cover 114 from being contaminated or colored due to other substances in the washing or cooking process. can

In addition, when the lid cover 114 is made of a metal material, shock or vibration applied from the outside is reduced, so that the components inside the lid 120 are more safely protected, and the lid 120 due to external shock, vibration, or temperature. As deformation is prevented, the durability of the cooking appliance 100 is improved.

In addition, since the lid cover 114 is made of a metal material, the aesthetics of the cooking appliance 100 is improved. In particular, if the outer surfaces of the lid cover 114 and the main body 170 are made of the same metal material as will be described later, the sense of unity between the lid 120 and the main body 170 is improved when the lid 120 and the main body 170 are combined. and the overall aesthetics of the cooking appliance 100 is improved. In addition, the lid 120 includes a first side portion 122 and a first side portion inclined in a direction from the lid cover 114 to the lower surface of the lid 120 . and a second side portion 124 extending from the 122 to the lower surface of the lid 120 .

On the other hand, the cooking appliance 100 according to an embodiment of the present specification receives power wirelessly from the induction heating device. Therefore, in order not to affect the wireless power transmission with the induction heating device, the lid cover 114 is preferably made of a metal material in which eddy currents are not well induced by a magnetic field. For example, the lid cover 114 may be made of a non-magnetic metal material that does not contain a magnetic material or has very low magnetism.

Disposed on the first side portion 122 are

lid handles

116a , 116b that allow a user to lift the lid 120 . The lid handles 116a , 116b protrude radially from one side of the lid 120 , such as the first side portion 122 . The position, number, and shape of the lid handles 116a and 116b may vary depending on the embodiment.

In one embodiment of the present specification, the lid 120 is completely separated from the body 170 . Therefore, when the lid 120 is fastened with the main body 170 or the lid 120 placed on the main body 170 is separated from the main body 170, the user uses the lid handles 116a and 116b to the lid 120 ) can be easily lifted. Therefore, the movement and storage of the lid 120 is simplified. In particular, since the temperature of the lid 120 increases during the cooking process, the user does not get burned by lifting the lid 120 using the lid handles 116a and 116b.

In one embodiment of the present specification, the lid handle (116a, 116b) may be made of a non-metallic material. For example, the lid handles 116a and 116b may be made of a plastic material having low electrical and thermal conductivity, but is not limited thereto.

The inner pot 130 is a container for storing food to be cooked or cooked food. The inner pot 130 has a shape corresponding to the inner pot receiving space 172 formed in the body 170 . As will be described later, since the inner pot 130 is heated by induction heating, the inner pot 130 may be made of a magnetic metal material. For example, the material of the inner pot 130 may be cast iron containing iron (Fe) or a clad in which iron (Fe), aluminum (Al), and stainless steel are joined. However, the present invention is not limited thereto.

A plurality of first fastening protrusions 148 are formed around the end of the inner pot 130 . When the lid 120 is rotated at a predetermined angle after the lid 120 is coupled to the open upper surface of the main body 170 in a state in which the inner pot 130 is accommodated in the inner pot receiving space 172, the inner pot 130 of The first fastening protrusion 148 formed around the end engages with the second fastening protrusion (not shown) formed on the fastening ring 126 disposed on the lower surface of the lid 120 . The first fastening protrusion 148 of the inner pot 130 and the second fastening protrusion (not shown) formed on the lower surface of the lid 120 engage each other so that the lid 120 does not separate from the body 170 . Thus, the lid 120 and the body 170 are completely fastened.

The body 170 has a hollow cylindrical shape. An inner pot accommodating space 172 in which the inner pot 130 is accommodated is formed in the empty space inside the body 170 . One surface, eg, the upper surface, of the body 170 is open, and one surface, eg, the lower surface, of the main body 170 is not opened. As the body 170 has a cylindrical shape, the cross-section of the upper surface and the cross-section of the lower surface of the main body 170 are each circular.

Since the main body 170 has a cylindrical shape, the cooking appliance 100 according to the exemplary embodiment of the present specification may be driven in a non-directional manner. In the present specification, the non-directional driving of the cooking appliance 100 means that the outer surface of the main body 170 faces in a state in which the body 170 is placed on the induction heating device for driving the cooking appliance 100 , which is different from the direction. Regardless, it means that the inner pot 130 can be heated by the induction heating device. The cooking appliance 100 according to the present specification has a cylindrical shape in which the front and rear sides and the left and right sides are not distinguished, unlike a conventional cooking appliance. Therefore, as long as the center of the lower surface of the cooking appliance 100 is close to the center of the heating region of the upper portion of the induction heating device, the inner pot 130 is heated by the induction heating device regardless of which direction the outer surface of the main body 170 faces. can be heated.

However, depending on the embodiment, the shape of the body 170 may be a shape other than a cylindrical shape.

In addition, in one embodiment of the present specification, the outer surface of the body 170 may be made of a metal material. When the outer surface of the main body 170 is made of a metal material, it is convenient to wash foreign substances on the outer surface of the main body 170, and the outer surface of the main body 170 is contaminated due to other substances during washing or cooking. It is possible to prevent contamination.

In addition, when the outer surface of the main body 170 is made of a metallic material, shock or vibration applied from the outside is reduced, so that the components inside the main body 170 are more safely protected, and the main body 170 caused by external shock, vibration, or temperature. ) is prevented from being deformed, so that the durability of the cooking appliance 100 is improved.

In addition, since the outer surface of the main body 170 is made of a metal material, the aesthetics of the cooking appliance 100 is improved. In particular, when the outer surfaces of the lid cover 114 and the main body 170 are made of the same metal material, a sense of unity between the lid 120 and the main body 170 is formed when the lid 120 and the main body 170 are combined. The overall aesthetics of (100) are improved.

The cooking appliance 100 according to an embodiment of the present specification receives power wirelessly from an induction heating device. Therefore, in order not to affect the wireless power transmission with the induction heating device, the outer surface of the main body 170 is preferably made of a metal material in which eddy currents are not easily induced by a magnetic field. For example, the outer surface of the body 170 may not contain a magnetic material or may be made of a non-magnetic metal material having very low magnetism.

On the other hand, when the outer surface of the main body 170 is made of a metallic material, the temperature of the inner space 144 of the main body 170 rises while the temperature of the inner pot 130 rises during the cooking process. When the temperature of the inner space 144 of the main body 170 rises, the temperature of the outer surface of the main body 170 also rises. At this time, when the outer surface of the main body 170 is made of a metallic material, the high thermal conductivity of the metallic material Due to this, the outer surface of the main body 170 becomes too hot, and there is a possibility that the user may suffer burns due to contact with the outer surface of the main body 170. Therefore, as will be described later, the cooking appliance 100 according to an embodiment of the present specification ) has a heat dissipation structure for lowering the temperature of the outer surface of the body 170 .

The body 170 has an inner pot accommodating space 172 for accommodating the inner pot 130 is formed. An outer end 150 is formed on the outer peripheral surface forming the outermost portion of the inner pot receiving space 172 .

Body handles 171a and 171b for allowing a user to lift the body 170 are disposed on the outer end 150 . The body handles 171a and 171b radially protrude from one side of the body 170 , for example, the outer end 140 . The position, number, and shape of the body handles 171a and 171b may vary depending on the embodiment.

The cooking appliance 100 according to an embodiment of the present specification may receive power wirelessly through the induction heating device 300 without receiving power through a wired cable. Therefore, the user should be able to easily lift the main body 170 and put it on the upper part of the induction heating device 300 or easily lift the main body 170 placed on the upper part of the induction heating device 300 . According to an embodiment of the present specification, a user can easily lift the main body 170 by using the main body handles 171a and 171b, thereby increasing user convenience and mobility of the cooking appliance 100, and the cooking appliance. (100) storage becomes convenient. In particular, since the temperature of the main body 170 increases during the cooking process, the user does not suffer burns by lifting the main body 170 using the main body handles 171a and 171b.

In one embodiment of the present specification, the body handles 171a and 171b may be made of a non-metallic material.

In addition, the inner pot accommodating space 172 has a first inner stepped portion 152 formed to be stepped from the outer end 150 and a second inner stepped portion 154 formed to be stepped from the first inner stepped portion 152, respectively. is formed

As shown in FIG. 5 , when the lid 120 is coupled to the body 170 , the end of the first side part 122 of the lid 120 is supported by the first inner stepped part 152 . In addition, when the lid 120 is coupled to the body 170 , the second fastening protrusion (not shown) formed on the fastening ring 126 of the lid 120 is a second fastening on the second inner stepped portion 154 . It engages with the dragon protrusion 148 .

Referring back to FIG. 5 , the main body 170 includes an inner case 141 forming an inner pot receiving space 172 , an outer case 142 forming an outer surface of the main body 170 , and a bottom surface of the main body 170 . and a bottom case 143 forming a.

In one embodiment of the present specification, each of the inner case 141 and the outer case 142 may be made of a metal material.

The inner case 141 is adjacent to the inner pot 130 . The inner case 141 is preferably made of a metal material so that the heat generated by the heating coil 182 or the power transmission coil 183 can be transmitted to the inner pot 130 well.

The outer case 141 forms an outer surface of the body 170 . Since the outer case 141, that is, the outer surface of the main body 170 is made of a metal material, the main body 170 is resistant to contamination and cleaning of the main body 170 becomes convenient. In addition, since the outer surface of the main body 170 is made of a metal material, the aesthetics of the cooking appliance 100 is improved.

The bottom case 143 forms the lower surface of the body 170 . The bottom case 143 is in contact with the bottom surface of the cooking space or the top surface of the induction heating device during the cooking process. In particular, when the cooking appliance 100 is driven using the induction heating device, power transmission between the working coil and the heating coil 182 inside the induction heating device or the working coil and the power transmission coil 183 inside the induction heating device is good. In order to do this, it is preferable that the bottom case 143, that is, the lower surface of the body 170, is made of a non-metallic material (eg, plastic).

In particular, when the cooking appliance 100 according to an embodiment of the present specification receives power from the induction heating device, power is supplied into the cooking device 100 through the bottom case 143 in contact with the induction heating device. Therefore, in order to evenly transmit power to the inside of the cooking appliance 100 , it is advantageous that the cross-section of the bottom case 143, ie, the shape of the lower surface of the main body 170, has a circular shape. In addition, since the lower surface of the main body 170 is formed in a circular shape, when the cooking device 100 is placed on the upper part of the induction heating device, power is evenly transmitted into the cooking device 100 regardless of the direction in which the cooking device 100 faces. can As such, since the lower surface of the main body 170 is formed in a circular shape, the cooking appliance 100 can be used in a non-directional manner on the induction heating apparatus.

An electronic device 181 , a heating coil 182 , and a power transmission coil 183 are disposed in the inner space 144 formed by the combination of the inner case 141 , the outer case 142 , and the bottom case 143 , respectively. do.

The electronic device 181 is a device driven by an external power source or power supplied through the power transmission coil 183 . An example of the electronic device 181 may be a control device for controlling the driving of the main body 170 or a power conversion device for supplying current to the heating coil 182 by converting power supplied from an external power source, but limited thereto it's not going to be

When a high-frequency current is supplied to the heating coil 182 , a magnetic field is generated in the heating coil 182 . When an eddy current is induced in the inner pot 130 by the magnetic field generated in the heating coil 182 , Joule heat is generated in the inner pot 130 by the resistance component, eddy current loss, and hysteresis loss of the inner pot 130 . Accordingly, the inner pot 130 is heated.

The power transmission coil 183 receives power from the working

coils

311 and 312 of the induction heating device 300 . The current induced in the power transmission coil 183 is supplied to the heating coil 182 electrically connected to the power transmission coil 183 to enable heating of the inner pot 130 by the heating coil 182 . In addition, the current induced in the power transmission coil 183 may be transferred to the electronic device 181 electrically connected to the power transmission coil 183 to drive the electronic device 181 .

As described above, the cooking appliance 100 according to an embodiment of the present specification may be placed on the induction heating device 300 to receive power from the working

coils

311 and 312 . In order for the cooking appliance 100 to receive more power through the working

coils

311 and 312 , the overlapping area between the power transmission coil 500 and the working

coils

311 and 312 should be wider. The working coils 311 and 312 disposed inside the induction heating device 300 mostly have a circular, oval or rectangular shape having a center, so that the power transmission coil 500 and the working

coils

311 and 312 overlap In order to secure the maximum area, it is advantageous for the cross section of the body 170 and the power transmission coil 500 to each have a circular shape. In addition, in order to completely seal the inner pot accommodating space 172 inside the body 170 having a circular shape, it is advantageous that the cross-sectional shape of the lid 120 is also circular.

As such, when the cross-section of the body 170 and the cross-section of the lid 120 have a circular shape, respectively, when the user puts the cooking appliance 100 on the induction heating device 300, the working

coils

311 and 312 are disposed It becomes easy to match the center of the heating region with the center of the cooking appliance 100 .

For reference, in this specification, the cross-section of the body 170 and the cross-section of the lid 120 mean a cross-section parallel to the bottom surface of the body 170, respectively.

On the other hand, as shown in FIG. 5 ,

intake ports

202a and 202b are formed in the bottom case 143 included in the main body 170 in one embodiment of the present specification. The

intake ports

202a and 202b communicate with the inner space 144 formed by the coupling of the inner case 141 , the outer case 142 , and the bottom case 143 .

In one embodiment of the present specification, the bottom case 143 is a first bottom surface portion 143a and a first bottom surface portion 143a forming a bottom surface of the main body 170 and a second bottom surface portion 143b formed to be stepped. ) is included. As shown in FIG. 5 , the

intake ports

202a and 202b may be formed in the second bottom surface portion 143b. The shape, size, and number of the

intake ports

202a and 202b may vary depending on the embodiment.

When the

intake ports

202a and 202b are formed in the second bottom surface portion 143b, the

intake ports

202a and 202b are spaced apart from the bottom surface on which the cooking appliance 100 is placed by a predetermined distance. Accordingly, external air may be smoothly introduced into the internal space 144 of the body 170 through the

intake ports

202a and 202b.

In addition, since the

intake ports

202a and 202b are spaced apart from the floor surface on which the cooking appliance 100 is placed by a certain distance, the clogging of the

intake ports

202a and 202b by dust or food accumulated on the floor surface on which the cooking apparatus 100 is placed is prevented. do. In addition, when the

intake ports

202a and 202b are formed on the second bottom surface portion 143b, when the user uses the cooking appliance 100, the

intake ports

202a and 202b are less noticeable to the user's eyes, so the aesthetic feeling of the cooking appliance 100 This is improved.

In addition, as shown in FIG. 5 ,

exhaust ports

204a and 204b are formed in the outer case 142 included in the main body 170 in one embodiment of the present specification. The

exhaust ports

204a and 204b communicate with the inner space 144 formed by the coupling of the inner case 141 , the outer case 142 , and the bottom case 143 .

The air flowing into the inner space 144 of the body 170 through the

intake ports

202a and 202b absorbs thermal energy of the inner space 144 to increase the temperature, so through the

exhaust ports

204a and 204b by natural convection. It exits to the outside of the body 170 . Accordingly, the temperature of the internal space 144 can be lowered without a separate component (eg, a heat sink or a fan) for cooling the internal space 144 .

As shown in FIG. 6 , the cooking appliance 100 according to an embodiment of the present specification is placed on the induction heating device 300 and is driven by receiving power from the working

coils

311 and 312 . When power is supplied from the induction heating device 300, in order to smoothly drive the cooking appliance 100, the distance between the heating coil 182 and the power transmission coil 183 and the working

coils

311 and 312 should be maintained as close as possible. do. Therefore, it is difficult to arrange a blower fan for sucking external air on the lower surface of the main body of the cooking appliance 100 according to the exemplary embodiment of the present specification, as in a conventional cooking appliance.

In addition, if a blower fan is disposed in the inner space 144 of the body 170 , an outlet for discharging air introduced by the blower fan should be formed on one side of the body 170 . However, when the outlet is formed on the outer surface of the main body 170 to be easily visible to the user as in the prior art, there is a problem in that the aesthetic sense of the cooking appliance 100 is lowered.

In addition, in a state where the overall size of the cooking appliance 100 is limited, as the size of the inner space 144 of the main body 170 is smaller, the sizes of the inner pot accommodating space 172 and the inner pot 130 may be larger. Therefore, it is preferable that only a minimum of components are disposed in the inner space 144 .

In the internal space 144 of the cooking appliance 100 according to an embodiment of the present specification, a separate component for cooling the internal space 144, such as a blowing fan or an air guide, is not disposed, and the

intake ports

202a and 202b ) and the cooling of the inner space 144 by a natural convection method through the

exhaust ports

204a, 204b. Therefore, while reducing the size of the inner space 144 and increasing the size of the inner pot receiving space 172 and the inner pot 130, cooling of the inner space 144 is possible.

6 is a perspective view illustrating an intake port and an exhaust port of the cooking appliance according to an embodiment of the present specification; In addition, Figure 7 shows the main body handle and the exhaust port viewed from the bottom of the cooking appliance according to an embodiment of the present specification.

As shown in FIG. 6 , the

intake ports

202a and 202c of the cooking appliance 100 according to the exemplary embodiment of the present specification are formed in the second bottom surface portion 143b. Although only the two

intake ports

202a and 202c are illustrated in FIG. 6 , the number of intake ports may vary depending on the embodiment. Also, the size, shape, and location of the intake port may vary depending on the embodiment.

In addition, some of the intake ports formed on the second bottom surface portion 143b may be formed at positions corresponding to the positions of the body handles 116a and 116b. For example, in FIG. 6 , the intake port 202a is formed at a position corresponding to the position of the body handle 116a.

In addition, an exhaust port 204a is formed in the outer case 142 of the main body 170 . For example, an exhaust port 204a is formed at a lower portion of the body handle 116a. In addition, although not shown, an exhaust port is also formed in the lower portion of the body handle 116b. The size, shape, location, and number of exhaust ports formed in the body 170 may vary depending on the embodiment.

In one embodiment of the present specification, when the exhaust port 204a is disposed on the lower surface of the main body handle 116a, the exhaust port 204a is not conspicuous when the user looks at the cooking appliance 120 from the top of the cooking appliance 120. does not Accordingly, the aesthetics of the cooking appliance 120 is improved.

According to the structure as described above, when the inner pot accommodated in the cooking appliance 100 is heated, external air is introduced into the inner space of the main body through the

intake ports

202a and 202c, and the introduced air is discharged from the inner space of the main body. absorbs thermal energy; The high-temperature air that has absorbed the thermal energy rises by natural convection in the internal space of the body and is discharged to the outside through the exhaust port 204a. 6 and 7, the air discharged through the exhaust port 204a is discharged to the outside through the entire lower surface of the body handle 171a (a1 to a5).

On the other hand, when the air discharged through the exhaust port 204a as indicated by the arrows a1 to a5 in FIGS. 6 and 7 is discharged to the outside through the entire lower surface of the body handle 171a, the user can use the body handle 171a ), hot air may come into contact with the user's hand.

In addition, the entire body handle (171a) is heated by the high-temperature air discharged through the exhaust port (204a) may increase the temperature of the body handle (171a) itself. Accordingly, when the user holds the handle 171a of the body having a higher temperature, the possibility that the user is burned is increased.

In order to prevent this situation, as will be described later, in another embodiment of the present specification, a guide portion for controlling the flow direction of hot air discharged through the exhaust port 204a may be formed on the lower surface of the body handle 171a. have.

8 is a perspective view illustrating an intake port and an exhaust port of a cooking appliance according to another exemplary embodiment of the present specification. Also, FIG. 9 shows the main body handle and the exhaust port as viewed from the bottom of the cooking appliance shown in FIG. 8 .

The basic configuration of the cooking appliance 100 shown in FIGS. 8 and 9 is the same as that of the cooking appliance 100 shown in FIGS. 6 and 7 . However, in the embodiment of Figures 8 and 9, the guide portion 400 is additionally disposed on the lower surface of the main body handle (171a).

As shown in FIGS. 8 and 9 , the guide part 400 is a structure that is disposed on the lower surface of the main body handle 171a and protrudes in a direction toward the lower part of the main body 170 . The height of the guide part 400 may be the same as the height of the exhaust port 204a or may be formed higher than the height of the exhaust port 204a. In one embodiment of the present specification, the guide portion 400 is disposed to face the exhaust port (204a). In addition, the guide part 400 is disposed to be spaced apart from the end 502 of the exhaust port 204a by a predetermined distance.

In the embodiment of FIGS. 8 and 9 , the guide part 400 has an arc shape having a predetermined curvature. In one embodiment of the present specification, the curvature of the guide part 400 may be set to be the same as or different from the curvature of the outer case 142 . However, in another embodiment of the present specification, the guide part 400 may have a straight shape. The shape, length, and position of the guide part 400 may vary depending on the embodiment.

Referring to FIG. 9 , the high-temperature air discharged from the exhaust port 204a is blocked by the guide part 400 disposed on the lower surface of the body handle 171a. Accordingly, the high-temperature air discharged from the exhaust port 204a passes through the space between the end of the guide part 400 and the end 502 of the exhaust port 204a and exits in the direction of the arrows b1 and b2. Therefore, the high-temperature air discharged from the exhaust port 204a flows only in the direction toward the

side portions

512 and 514 of the body handle 116a, and does not flow in the direction toward the end portion 516 of the body handle 116a.

Accordingly, even if the user holds the body handle 116a, the high-temperature air does not come into contact with the user's hand. Also, when high-temperature air moves as shown in FIG. 9, even if the body handle 116a is heated by the high-temperature air, the temperature around the end 516 of the body handle 116a is lower than the temperature around the exhaust port 204a. Accordingly, the possibility of getting burned when the user holds the body handle 116a is reduced.

In one embodiment of the present specification, the distance between the end of the guide portion 400 and the end 502 of the exhaust port 204a may be set to be less than 1/2 of the length of the

side portions

512 and 514 of the body handle 116a. can

As the guide part 400 moves away from the end 502 of the exhaust port 204a, the area in which the hot air discharged through the exhaust port 204a comes into contact with the lower surface of the body handle 116a becomes larger, so that the user may be injured. are more likely to wear In addition, when the guide part 400 is disposed at a far distance from the end 502 of the exhaust port 204a, the user's hand comes into contact with the guide part 400 when the user holds the body handle 116a, which causes inconvenience to the user. I can feel it. Accordingly, the distance between the end of the guide portion 400 and the end 502 of the exhaust port 204a is preferably set to be less than 1/2 of the length of the

side portions

512 and 514 of the body handle 116a.

In addition, when the distance between the end of the guide portion 400 and the end 502 of the exhaust port 204a is set to be less than 1/2 of the length of the

side portions

512 and 514 of the body handle 116a, the end of the guide portion 400 The movement speed of the air exiting between the and the end 502 of the exhaust port 204a is increased, so that the cooling of the main body 170 can be performed more rapidly.

10 is a perspective view illustrating an intake port and an exhaust port of a cooking appliance according to another embodiment of the present specification; Also, FIG. 11 shows the main body handle and the exhaust port as viewed from the bottom of the cooking appliance shown in FIG. 10 .

The basic configuration of the cooking appliance 100 shown in FIGS. 10 and 11 is the same as that of the cooking appliance 100 shown in FIGS. 6 and 7 . However, in the embodiment of FIGS. 10 and 11 , a guide portion including a first guide portion 402 and a second guide portion 404 is additionally disposed on the lower surface of the body handle 171a.

As shown in FIGS. 10 and 11 , the first guide part 402 and the second guide part 404 are disposed on the lower surface of the main body handle 171a and protrude in the direction toward the lower part of the main body 170 . is a structure The height of the first guide part 402 and the second guide part 404 may be the same as the height of the exhaust port 204a or may be formed higher than the height of the exhaust port 204a.

10 and 11, the first guide part 402 and the second guide part 404 each have an arc shape having a predetermined curvature. In addition, one end of the first guide part 402 and one end of the second guide part 404 are connected to each other at the connection point 600 . However, in another embodiment of the present specification, the first guide part 402 and the second guide part 404 may have a straight shape. The shapes, lengths, and positions of the first guide part 402 and the second guide part 404 may vary depending on the embodiment.

Referring to FIG. 11 , the high-temperature air discharged from the exhaust port 204a is blocked by the first guide part 402 and the second guide part 404 disposed on the lower surface of the body handle 171a. Accordingly, the high-temperature air discharged from the exhaust port 204a passes through the space between the ends of the first guide part 402 and the second guide part 404 and the end 502 of the exhaust port 204a, and the arrow c1, c2) exits in the direction Therefore, the high-temperature air discharged from the exhaust port 204a flows only in the direction toward the

side portions

Accordingly, even if the user holds the body handle 116a, the high-temperature air does not come into contact with the user's hand. In addition, when high-temperature air moves as shown in FIG. 11, even if the body handle 116a is heated by the high-temperature air, the temperature around the end 516 of the body handle 116a is lower than the temperature around the exhaust port 204a. Accordingly, the possibility of getting burned when the user holds the body handle 116a is reduced.

Also, as shown in FIG. 11 , the distance between the connection point 600 of the first guide part 402 and the second guide part 404 and the end 502 of the exhaust port 204a is the other end of the first guide part 402 . The distance between the 602 and the end 502 of the exhaust port 204a or the distance between the other end 604 of the second guide part and the end 502 of the exhaust port 204a may be set smaller than the distance.

As described above, the present specification has been described with reference to the illustrated drawings, but the present specification is not limited by the embodiments and drawings disclosed herein, and various modifications may be made by those skilled in the art. In addition, although the effects according to the configuration of the present specification are not explicitly described and described while describing the embodiments of the present specification, the effects predictable by the configuration should also be recognized.

Claims

inner pot;

a body in which an inner pot accommodating space for accommodating the inner pot is formed; and

and a lid coupled to one surface of the main body to seal the inner pot receiving space,

the body is

a body handle disposed on one side of the body;

an intake port formed on one side of the main body and for introducing air into the inner space of the main body; and

Formed at a position corresponding to the handle of the body and including an exhaust port for discharging the air flowing into the inner space to the outside

cooking appliance.
According to claim 1,

the inlet is

is formed on one side of the bottom case of the main body

cooking appliance.
According to claim 1,

the bottom case

a first bottom surface portion forming a bottom surface of the body;

It includes a second bottom surface portion formed to be stepped with the first bottom surface portion,

The intake port is formed in the second bottom

cooking appliance.
According to claim 1,

A guide portion is formed on the lower surface of the main body handle to face the exhaust port and to be spaced apart from the end of the exhaust port by a predetermined distance.

cooking appliance.
5. The method of claim 4,

The distance between the end of the guide part and the end of the exhaust port is less than 1/2 of the length of the side part of the main body handle.

cooking appliance.
5. The method of claim 4,

The air discharged through the exhaust port passes between the end of the guide part and the end of the exhaust port and flows in a direction toward the side surface of the main body handle.

cooking appliance.
5. The method of claim 4,

the guide part

Comprising a first guide portion and a second guide portion each having an arc shape,

One end of the first guide part and one end of the second guide part are connected to each other

cooking appliance.
8. The method of claim 7,

A distance between a connection point of the first guide part and the second guide part and an end of the exhaust port is smaller than a distance between the other end of the first guide part and an end of the exhaust port or a distance between the other end of the second guide part and an end of the exhaust port.

cooking appliance.
According to claim 1,

The body handle is made of a non-metallic material.

cooking appliance.
According to claim 1,

A lid cover is coupled to the upper portion of the lid,

The lid cover is made of a metal material

cooking appliance.
According to claim 1,

The lower surface of the body is made of a non-metallic material.

cooking appliance.
According to claim 1,

The outer surface of the body is made of a metal material

cooking appliance.
According to claim 1,

The inner pot is heated by power wirelessly supplied from an external device.

cooking appliance.
According to claim 1,

A lid handle is disposed on one side of the lid

cooking appliance.
According to claim 1,

The body is made of a cylindrical shape

cooking appliance.
According to claim 1,

In a state in which the main body is placed on top of the induction heating device, the inner pot is heated by the induction heating device regardless of the direction in which the outer surface of the body faces

cooking appliance.
an inner pot heated by power wirelessly supplied from an external device;

The body in which the inner pot receiving space is formed; and

and a lid coupled to one surface of the main body to seal the inner pot receiving space,

the body is

an inner case forming the inner pot receiving space;

an outer case forming an outer surface of the body;

a bottom case forming a bottom surface of the body;

an intake port formed in the bottom case and communicating with the inner space formed by the inner case, the outer case, and the bottom case; and

Formed in the outer case and comprising an exhaust port communicating with the inner space

cooking appliance.
18. The method of claim 17,

the bottom case

a first bottom surface portion forming a bottom surface of the body;

It includes a second bottom surface portion formed to be stepped with the first bottom surface portion,

The intake port is formed in the second bottom

cooking appliance.
18. The method of claim 17,

the body is

Further comprising a body handle disposed on the upper end of the body,

The exhaust port is formed at a position corresponding to the position of the main body handle

cooking appliance.
20. The method of claim 19,

A guide portion is formed on the lower surface of the main body handle to face the exhaust port and to be spaced apart from the end of the exhaust port by a predetermined distance.

cooking appliance.
21. The method of claim 20,

The distance between the end of the guide part and the end of the exhaust port is less than 1/2 of the length of the side part of the main body handle.

cooking appliance.
21. The method of claim 20,

The air discharged through the exhaust port passes between the end of the guide part and the end of the exhaust port and flows in a direction toward the side part of the handle of the body.

cooking appliance.
21. The method of claim 20,

the guide part

A first guide portion and a second guide portion each having an arc shape,

One end of the first guide part and one end of the second guide part are connected to each other

cooking appliance.
24. The method of claim 23,

A distance between a connection point of the first guide part and the second guide part and an end of the exhaust port is smaller than a distance between the other end of the first guide part and an end of the exhaust port or a distance between the other end of the second guide part and an end of the exhaust port.

cooking appliance.
18. The method of claim 17,

The body handle is made of a non-metallic material.

cooking appliance.
18. The method of claim 17,

A lid cover is coupled to the upper portion of the lid,

The lid cover is made of a metal material

cooking appliance.
18. The method of claim 17,

The bottom case is made of a non-metallic material.

cooking appliance.
18. The method of claim 17

A lid handle is disposed on one side of the lid

cooking appliance.
18. The method of claim 17,

The body is made of a cylindrical shape

cooking appliance.
18. The method of claim 17,

In a state in which the main body is placed on top of the induction heating device, the inner pot is heated by the induction heating device regardless of the direction in which the outer surface of the body faces

cooking appliance.