WO2018093234A1

WO2018093234A1 - Induction-heating cooking device and method for displaying cooking information of induction-heating cooking device

Info

Publication number: WO2018093234A1
Application number: PCT/KR2017/013260
Authority: WO
Inventors: 이길영; 김정훈; 박세훈; 최지웅
Original assignee: 삼성전자주식회사
Priority date: 2016-11-21
Filing date: 2017-11-21
Publication date: 2018-05-24
Also published as: CN109983840B; CN109983840A

Abstract

Provided are an induction-heating cooking device and a method for displaying cooking information of the induction-heating cooking device. More specifically, disclosed are an induction-heating cooking device for providing cooking information to a user through a reflection plate disposed in the induction-heating cooking device, and a method for displaying cooking information of the induction-heating cooking device. Some of disclosed embodiments provide an induction-heating cooking device for providing cooking information to a user by using a projection unit and reflection plate disposed in the induction-heating cooking device, and a method for displaying cooking information of the induction-heating cooking device.

Description

Method of displaying cooking information of induction cooking apparatus and induction heating cooking apparatus

The following embodiments are related to the cooking information display method of the induction heating cooking apparatus and the induction heating cooking apparatus. In particular, the present invention relates to an induction heating cooking apparatus for providing cooking information to a user using a reflection plate located inside an induction heating cooking apparatus and a method of displaying cooking information of the induction heating cooking apparatus.

An induction heating cooking device is an electronic device that heats and cooks food by using induction heating. Induction heating is a method of converting electrical energy into thermal energy by heating by electromagnetic induction.

Below the metal cooking vessel (eg, pot, etc.), a coil (or working coil) may be located that generates a magnetic field by the applied current. Secondary currents are induced in the metal cooking vessel by the magnetic field generated by the coil. Food ingredients are heated and cooked using Joule's heat generated in the metal cooking vessel by the induced secondary current.

Induction heating cooking apparatus can reduce the rapid heating possible and harmful gas generation compared to the cooking apparatus for heating the cooking vessel (or metal cooking vessel) by using the combustion heat of the fossil fuel.

The present invention proposes a cooking information display method of an induction heating cooking apparatus and an induction heating cooking apparatus in which a user can recognize cooking information provided from a lower direction of a top plate through a projection unit and a reflection plate inside the main body.

Induction heating cooking apparatus according to an embodiment of the present invention, the upper plate is placed on the main body, the cooking vessel is placed, the lower side of the upper plate, the operating coil for generating a magnetic field for induction heating the cooking vessel, the front of the operating coil A projection unit positioned at, positioned between the operation coil and the projection unit, the reflection unit configured to receive the cooking information.

An induction heating cooking apparatus according to another embodiment of the present invention includes an upper panel on which a cooking vessel is placed, a display area on which a cooking vessel is placed, a display area, a control panel receiving a user input, and a lower portion of the cooking vessel. An operation coil for generating a magnetic field for induction heating, a projection unit located in front of the operation coil, and outputting cooking information, and a reflection plate positioned between the operation coil and the projection unit and receiving the cooking information, Information displayed on the display area of the operation panel and information output on the reflecting plate are different.

In the cooking information display method of the induction heating cooking apparatus according to another embodiment of the present invention, the step of receiving a user input corresponding to the cooking of the cooking vessel placed on the top plate on the operation panel, located below the top plate, to the user input Generating a magnetic field in an operation coil corresponding to induction heating of the cooking vessel, displaying first cooking information corresponding to the user input on a display of the operation panel, and second cooking information corresponding to the user input Outputting from the projection unit to a reflector located between the actuation coil and the projection unit.

A cooking information display method of an induction heating cooking apparatus and an induction heating cooking apparatus in which a user can recognize cooking information provided from a lower side of a top plate through a projection unit and a reflection plate inside the main body may be provided.

An induction heating cooking apparatus and a method of displaying cooking information of the induction heating cooking apparatus that reflect the cooking information from the bottom of the body to the upper plate direction by using the projection unit and the reflection plate inside the main body may be provided.

An induction heating cooking apparatus and a method of displaying cooking information of an induction heating cooking apparatus for providing a user with cooking information reflected from the bottom of the main body in the direction of the upper plate using the projection unit and the reflection plate inside the main body may be provided.

An induction heating cooking apparatus and a method of displaying cooking information of an induction heating cooking apparatus for providing a user with cooking information projected from the bottom of the main body in the upper plate direction by using a projection unit and a projection plate inside the main body may be provided.

An induction heating cooking apparatus and a method of displaying cooking information of an induction heating cooking apparatus for providing a user with cooking information formed under the main body using a projection unit and an imaging plate inside the main body may be provided.

A method of displaying cooking information of an induction heating cooking apparatus and an induction heating cooking apparatus, in which the information provided from the top plate downward direction and the information displayed on the display area of the operation panel are different through the projection unit inside the main body, respectively.

An induction heating cooking apparatus and a method of displaying cooking information of the induction heating cooking apparatus may be provided, respectively, which provide information provided from the top plate downward direction and information displayed on the display area of the operation panel through the projection unit inside the main body.

According to various embodiments of the present disclosure, the cooking information display method of the induction heating cooking apparatus and the induction heating cooking apparatus, which enables the user to recognize the cooking information provided from the bottom of the upper plate through the projection unit and the reflecting plate, on the upper plate. This may be provided.

1A and 1B are schematic perspective views showing an induction heating cooking apparatus according to an embodiment of the present invention.

Figure 2 is a schematic block diagram showing an induction heating cooking apparatus according to an embodiment of the present invention.

3 is a schematic exploded perspective view showing an induction heating cooking apparatus according to an embodiment of the present invention.

4A and 4B are schematic perspective views illustrating a cooking information display unit according to an embodiment of the present invention.

5A and 5B are schematic cross-sectional views showing a cooking information display unit according to an embodiment of the present invention.

6 is a schematic cross-sectional view of a cooking information display unit having a tilted reflector according to another embodiment of the present invention.

7 is a schematic flowchart illustrating a cooking information display method of an induction heating cooking apparatus according to an embodiment of the present invention.

Hereinafter, with reference to the contents described in the accompanying drawings will be described in detail an exemplary embodiment according to the present invention. Like reference numerals or signs in the drawings denote parts or components that perform substantially the same function.

Terms including ordinal numbers such as 'first' and 'second' may be used to describe various components, and each component is not limited by the terms. Terms including the ordinal numbers described above may be used for the purpose of distinguishing one component from other components. For example, without departing from the scope of the present invention, the first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component. The term 'and / or' also includes any combination of a plurality of related items or any one of a plurality of related items.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting and / or limiting of the invention. Singular expressions may include plural expressions unless the context clearly indicates otherwise. In this specification, terms such as "comprise" or "have" are intended to indicate the presence of a feature, number, step, operation, component, part, or combination thereof described in the specification, and one or more other features or numbers. It should be understood that it does not exclude in advance the possibility of the presence or addition of steps, actions, components, parts or combinations thereof.

Like reference numerals in the drawings denote members that perform substantially the same function. Hereinafter, with reference to the accompanying drawings in accordance with an embodiment of the present invention will be described in detail.

Referring to FIGS. 1A and 1B, the induction heating cooking apparatus 100 may be embodied as stand alone (FIG. 1A) or may be integrated like an induction heating cooking apparatus 100 at the top and an oven 800 at the bottom. -in, FIG. 1B) may be implemented as an oven range (1000).

The induction heating cooking apparatus 100 is positioned on the main body 110 and the main body 110 forming an appearance, and is placed on a heating area guide 121, 121a to 121c and a heating container guide 121. (1) a top plate 120 which is a heat-resistance material supporting it, an actuation coil 130 (see FIG. 2) for generating a magnetic field for induction heating of the cooking vessel 1, and a reflecting plate (projection plate, or, An imaging plate such as a screen, hereinafter referred to as a “reflective plate”, may include a projection unit 140 for outputting (or, projecting or imaging) the cooking information (or including operating state information, 146) to the 145. . Other components located in the main body 100 will be described later.

The food material contained in the cooking vessel 1 may be cooked by induction heating by a magnetic field generated by the operation coil 130. The cooking information 146 of the induction heating cooking apparatus 100 including the temperature of the cooking vessel 1, the cooking elapsed time, and / or the date / time is reflected from the projection unit 140 in the optical axis direction (or, It may be output to the projection plate, the screen 145. The user includes cooking information (or operation state information) of the induction heating cooking apparatus 100 that is reflected (or projected, imaged, displayed) from the reflecting plate (or the projection plate, the imaging plate, and 145) through the upper plate 120. , 146). In addition, the user may use the reflective plate (or the projection plate, the image forming plate, 145) through the gap region of the upper plate 120 (for example, 120a (see FIG. 3) capable of confirming operation state information (or cooking information)). Cooking information (or operation state information 146) of the induction heating cooking apparatus 100 that is reflected (or displayed) may be checked. In addition, the induction heating cooking apparatus 100 may receive weather information (eg, temperature, humidity, rain, wind, snow, sunlight, etc.) received from the outside, text messages (SMS), SNS, e-mail, or Alarms (alarms, notifications, etc.) can be displayed.

In the embodiment of the present invention, the display of the cooking information of the induction heating cooking apparatus 100 reflected (or projected, imaged, displayed) from the reflecting plate 145 displays only cooking information, and displays some of the cooking information and operation state information. , And display of cooking information and operation state information.

Operation and / or operation of the induction heating cooking apparatus 100 using a control panel 148 of the induction heating cooking apparatus 100 corresponding to a touch (or non-contact including hovering) of the user's top plate 120. The function may be controlled (or operated). The user may control (or operate) an operation and / or a function of the induction heating cooking apparatus 100 using the operation panel 148 of the induction heating cooking apparatus 100 positioned below the upper plate 120.

Referring to FIG. 1B, the oven range 1000 may be integrally formed including an oven 800 positioned below and an induction heating cooking apparatus 100 positioned above the oven 800.

The oven 800 may generate hot heat by using gas or electricity, and may cook food material in the cavity by convection of air. The doors 811 and 812 located in front of the main body 810 of the microwave oven 1000 may be rotated based on a hinge axis (not shown). An operation unit 830 and a display unit 840 that control (or input) the operation and / or function of the oven 1000 may be positioned at the upper ends of the doors 11 and 12.

Similar to FIG. 1A, the operation state information (or cooking information) 146 of the induction heating cooking apparatus 100 including the temperature of the cooking vessel 1, the cooking elapsed time and / or the date / time may be the projection unit 140. ) May be output to the reflective plate (or screen 145) spaced apart in the optical axis direction. The user may operate information of the operation state of the induction heating cooking apparatus 100 that is reflected (or displayed) on the reflecting plate (or screen 145) through a transparent area (for example, the cooking information can be checked) of the upper plate 120. Or cooking information 146).

The operation panel 148 of the induction heating cooking apparatus 100 may correspond to the operation unit 830 and the display unit (or 'display') 840 in the oven range 1000. In the oven range 1000, the induction heating cooking apparatus 100 may include a projection unit 140 and a reflection plate 145 except for the operation unit 830 and the display unit (or the display 840).

2, the induction heating cooking apparatus 100 may be functionally connected to the external device 200 using the communication unit 163. The external device 200 may include a mobile terminal 210 including a smart phone, a home appliance device 220 including a refrigerator, a display device 230 including a TV, or a server 240.

The induction heating cooking apparatus 100 may provide information on the operation of the induction heating cooking apparatus (for example, a cooking course or an option) through the communication unit 163, or the state of the induction heating cooking apparatus (eg, normal, Abnormality) information may be transmitted to an external device, or control information (for example, a control command corresponding to power on / off of the induction heating cooking device) may be received from the outside.

The induction heating cooking apparatus 100 includes a processor 161, a working coil 130, a projection unit 140, an operation panel 148, a display 148c, a communication unit 163, an inverter 165, a fan 167. ), A power supply unit 170, and a storage unit 180. The induction heating cooking apparatus 100 may include a reflector plate 145. In addition, the induction heating cooking apparatus 100 may further include a sensor (eg, a temperature sensor (not shown) or an overheat sensor (not shown), etc. 169).

The processor 161 may control the operation of the induction heating cooking apparatus 100. The processor 161 is a non-volatile memory (or flash memory (not shown), a ROM (not shown), a ROM) and an induction heating in which a control program for controlling the induction heating cooking apparatus 100 is stored. Volatile memory used as a storage area for control information received from the outside of the cooking apparatus 100, operation state information of the induction heating cooking apparatus 100, or state information of the induction heating cooking apparatus 100 (for example, , RAM (not shown)).

The processor 161 may control an operation (eg, power on / off, operation, stop, etc.) of the projection unit 140. For example, the processor 161 may output an electrical signal corresponding to the output of the cooking information to the projection unit 140. The processor 161 may control an operation (eg, power on / off, operation, stop, etc.) of the inverter 165. For example, the processor 161 may output an electrical signal corresponding to the induction heating of the cooking vessel 1 to the inverter 165.

The processor 161 may control the operation of the induction heating cooking apparatus 100 and the signal flow between the internal components 130 to 180 and process the data. The processor 161 may collect operation state information of the induction heating cooking apparatus 100 and detect a state of the induction heating cooking apparatus 100 using the sensor 169. The processor 161 may control the power supply to the internal components 110 to 195 using the power supply unit 170.

The processor 161, non-volatile memory (not shown) and volatile memory (not shown) may be interconnected. Some of the processor 161, non-volatile memory (not shown), and volatile memory (not shown) may be implemented in a built-in or system on chip (SOC) form.

The processor 161 includes a projection unit 140, an operation panel 148, a display 148c, a communication unit 163, an inverter 165, a fan 167, a power supply unit 170, and a storage unit 180. ) Can be controlled. In addition, the processor 161 may control the sensor 169.

The processor 161 may mean a controller of the induction heating cooking apparatus 100. The processor 161, a non-volatile memory (not shown), and a volatile memory (not shown) may be collectively referred to as a control unit of the induction heating cooking apparatus 100.

The operation coil 130 inductively heats the cooking vessel 1 placed on the upper plate 120 under the control of the processor 161. The operation coil 130 may inductively heat the cooking vessel 1 placed on the upper plate 120 in response to a user input received through the operation panel 148. Detailed description of the operation coil 130 will be described later in FIG.

The projection unit 140 may output (or project, image, etc.) cooking information (including operating state information) of the induction heating cooking apparatus 100 to the reflector 145 under the control of the processor 161. The projection unit 140 may include a small projector (or a pico projector.) The small projector may include a light source (eg, LED, LASER, etc.), an image panel (eg, a digital mirror (DMD). device), LCD, liquid crystal on silicon (LCoS, etc.), one or more lenses, one or more mirrors, and one or more filters, etc. In addition, the projection unit 140 may include a projection board 141. And a microcontroller (not shown) that controls the projection unit 140. Each of the above-described projectors is an example, and some of the components may be changed, added, or deleted.

The operation state information of the induction heating cooking apparatus 100 may include, for example, power on / off, cooking start, cooking, cooking completion, or whether an error occurs. The cooking information of the induction heating cooking apparatus 100 may include, for example, cooking time (total cooking time, remaining cooking time, or elapsed cooking time), cooking temperature (cooking vessel surface temperature, operating coil surface temperature, etc.), date and time. And error information (eg, overheating, overcooking, maximum cooking temperature, operation panel 148 error, fan error, etc.). The projection unit 140 may be configured to receive non-cooking information (eg, weather information) received from the external devices 201 to 204 received through the communication unit 163 under the control of the processor 161. Temperature, humidity, rain, wind, snow, sunlight, etc.), text messages (SMS), SNS, email (E-mail) or alarm (alarm, notification, etc.) may be output to the reflector 145.

In an embodiment of the present invention, non-cooking information may refer to information other than cooking information displayed in the induction heating cooking apparatus 100. In addition, the non-cooking information is information other than the cooking information displayed in the induction heating cooking apparatus 100 and may be one of receiving from the outside (or an external device) and storing in the memory 180.

The operation state information of the induction heating cooking apparatus 100 may include one or more texts, one or more images, one or more symbols, or one or more videos. The operation state information of the induction heating cooking apparatus 100 may include a combination of text, an image, a symbol, and a video. In addition, the cooking information of the induction heating cooking apparatus 100 may include one or more texts, one or more images, one or more symbols, or one or more videos. Cooking information of the induction heating cooking apparatus 100 may include a combination of text, an image, a symbol, and a video.

The color of cooking information (including operation state information) of the induction heating cooking apparatus 100 may be color or achromatic. The color of cooking information (including operating state information) of the induction heating cooking apparatus 100 may be determined to improve visibility of the user. Projection unit 140 is a color or achromatic induction heating cooking determined according to the control of processor 161 (or the control of processor 161 and the microcontroller (not shown) that controls projection unit 140). At least one of cooking information (including operation state information) of the apparatus 100 may be output.

The projection unit 140 controls the induction heating cooking apparatus 100 according to the control of the processor 161 (or the control of the processor 161 and the microcontroller (not shown) that controls the projection unit 140). Operation state information and cooking information may be selectively output to the reflector 145. The selective output of the operating state information and the cooking information of the induction heating cooking apparatus 100 may sequentially output one of the operating state information and the cooking information of the induction heating cooking apparatus 100, or the output of the induction heating cooking apparatus 100. It may include the output of the operation state information and cooking information together.

In the embodiment of the present invention, the cooking information of the induction heating cooking apparatus 100 may include operation state information of the induction heating cooking apparatus 100. For example, the cooking information of the induction heating cooking apparatus 100 may mean at least one of cooking information of the induction heating cooking apparatus 100 and operation state information of the induction heating cooking apparatus 100.

Cooking information (including operating state information) of the induction heating cooking apparatus 100 output from the projection unit 140 to the reflector plate 145 is pre-stored in the storage unit 180 or from the outside through the communication unit 163. May be received (including streaming).

The operation panel 148 may receive a user input. The user inputs the power on / off button 148a, the operation panel lock button 148b, the acceleration buttons 148c1 and 148c2, and the timer button 148d of the induction heating cooking device 100 through the operation panel 148 ( Or, select, touch).

The operation panel 148 may display information corresponding to the received user input under the control of the processor 161. The user's input may be displayed through a display area (or 'display', 148c) of the operation panel 148.

The area of the display area 148c described above may be changed according to the function and structure of the induction heating cooking apparatus 100.

The operation panel 148 may include a burner selection switch (not shown), a dial switch (or a magnetic knob, not shown), a thermal switch (not shown), and the like, for selecting one of the plurality of burners. It may further include. The buttons of the operation panel 148 described above are one example, and the number of burners (eg, a plurality including one or more) of the induction heating cooking apparatus 100 and the heating method (eg, induction heating or Change in response to radiant heat).

The operation panel 148 may be input (or receive) and output, and the projection unit 140 may only output (or reflect, project, or image). The operation panel 148 may receive and display a user input. The projection unit 140 may output (or reflect, project, or image) cooking information.

Information displayed on the operation panel 148 (or a part of cooking information) and information output from the projection unit 140 (or cooking information) may be different. Cooking information output from the display (or display area 148c) that is an output area of the operation panel 148 and the projection unit 140 may be different. Cooking information output to the operation panel 148 and the projection unit 140 may be different.

The communication unit 163 may be connected to an

external device

200, 210 to 240 or a network through a communication network by using one or more antennas under the control of the processor 161. The communication unit 163 may control the operation of the induction heating cooking apparatus (eg, a washing course or an option, etc.) information under the control of the processor 161, or the state (eg, normal or abnormal) of the induction heating cooking apparatus. Etc.) information can be transmitted to the outside. In addition, the communication unit 163 may receive control information (for example, a control command corresponding to power on / off of the induction heating cooking apparatus) from the outside under the control of the processor 161.

The communication unit 163 may include a WLAN communication unit, a short range communication unit, or a mobile communication unit. The WLAN communication unit may, for example, support Wi-Fi communication. The near field communication unit may include, for example, Bluetooth communication, Bluetooth low energy communication, infrared data association (IrDA), ultra-wideband (UWB) communication, and / or NFC communication, and the like. can do. The mobile communication unit may be connected to the external device 200 through a mobile communication network using one or more antennas under the control of the processor 161.

The communication unit 163 may be configured to provide non-cooking information (eg, weather information (temperature, humidity, rain, wind, snow, sunshine, etc.), text messages (SMS), SNS, e-mail) from the external devices 201 to 204. E-mail) or an alarm (alarm, notification, etc.).

The power supply unit 170 may convert the input AC power into DC power. For example, the power supply unit 170 may supply AC power (AC 220V to 240V, 50/60 Hz) to DC power (VDC 3.3V, 5.0V, 12V, or 15V). The power supply unit 170 may convert AC power into DC power according to the control of the control processor 161 corresponding to the input of the buttons 148c1 and 148c2 of the operation panel 148.

The inverter 165 may convert the converted DC power into AC power (for example, low voltage to high voltage). A high frequency alternating current may be applied to the operation coil 130 through the inverter 165. The inverter 165 may change the high frequency current applied to the operation coil 130 under the control of the processor of the control board 160. In addition, the inverter 165 may change the high frequency current applied to the operation coil 130 under the control of the processor 161.

The fan 167 may cool heat inside the main body 110 under the control of the processor 161. The fan 167 positioned below the cooling unit 166 may circulate the hot air inside the main body 110 and discharge it to the outside through an opening (not shown) of the bottom surface 110b. In addition, the fan 167 may suck outside air into the main body 110 to cool (or circulate) the hot air and discharge the outside air through an opening (not shown) at the side.

The rotation speed of the fan may be changed under the control of the processor 161.

The sensor 169 may detect the operation and / or state of the induction heating cooking apparatus 100. The sensor 169 may output an electric signal corresponding to the detected operation and / or state of the induction heating cooking apparatus 100 to the processor 161.

The temperature sensor (not shown) may detect the internal temperature of the main body 110. An overheat sensor (not shown) may detect whether the working coil 130 is overheated.

The memory 180 may store signals or data input / output corresponding to the operation (or state) of the components 130 to 180 under the control of the processor 161. The memory 180 may store a control program for controlling the induction heating cooking apparatus 100 or the processor 161. The memory 180 may include control information received from the external device 200, information corresponding to an electrical signal received from a user panel from a manipulation panel 148, information corresponding to an electrical signal received from a sensor 169, and induction. Operation state information of the heating cooking apparatus 100, or induction heating cooking apparatus 100 state information, and the like may be stored.

It is common in the art that components of the induction heating cooking apparatus 100 illustrated in FIG. 2 may be added, deleted, or changed in correspondence with the performance of the induction heating cooking apparatus 100. It can be easily understood by those with knowledge of

1A to 3, the induction heating cooking apparatus 100 includes a main body 110 and a top plate 120. The main body 110 includes a plurality of working coils 130, a projection unit 140, a reflector 145, a control board 160 including a processor 161, an inverter 165, a cooling unit 166, The fan 167 and the power supply unit (SPMS) 170 may be accommodated. In addition, the glass heating cooking apparatus 100 may further include a communication unit 163 and a storage unit 180 located in the main body 110 (or mounted on the control board 160).

In the main body 110 of the induction heating cooking apparatus 100, at least one surface of the polyhedron (for example, one surface of one surface or a surface including a back surface) may be opened. At least one surface of the polyhedron in the body 110 may be an upper surface. In addition, at least this surface of the polyhedron in the body 110 may be an upper surface and one of four sides.

The upper plate 120 of the heat resistant material may be positioned on an open surface of the main body 110. The material of the upper plate 120 may include heat resistant transparent glass (or heat resistant transparent tempered glass). An area of the upper plate 120 may be larger than an area of an open one surface (eg, the opening 110a) of the main body 110 in contact with the upper plate 120. For example, the area of the top plate 120 may be greater than 95% and less than 150% of the area of the open one surface of the body 110 in contact with the top plate 120. In addition, the area of the upper plate 120 may be smaller than 100% and greater than 80% of the area of the open one surface of the main body 110 in contact with the lower plate 120.

The top plate 120 may be painted in black or other colors (eg, blue, gray, etc., the color can be changed by the manufacturer). One surface of the top plate 120 (eg, the bottom surface of the top plate 120 facing the bottom surface 110b of the main body 110) may be painted in black or another color. On one surface of the upper plate 120, some areas may be painted in black, and other areas besides some areas may be painted in gray. One surface of the upper plate 120 may be divided into a plurality of areas, and each of the divided areas may be painted in various colors.

When the bottom surface of the top plate 120 is painted in black or other colors, the user may cook information (operation state information) of the induction heating cooking apparatus 100 that is reflected (or projected, imaged, etc.) from the reflector 145. It can be recognized (or identified). Due to the painting of the upper plate 120, components located inside the main body 110 of the induction heating cooking apparatus 100 may not be identified from the outside. In addition, only a part of the top plate 120 may be painted in black.

Some areas (eg, gap areas 120a) of the bottom surface of the top plate 120 may be transparent (eg, not painted in black). The user may recognize cooking information (including operating state information) reflected from the reflector 145 through the gap region 120a (or projected or imaged). The gap region 120a may be implemented at a position to improve visibility of cooking information (including operating state information) reflected from the reflecting plate 145 (or, projection, imaging, etc.).

The body 110 may have an opening 110a and a bottom surface 110b. An inverter 165, a cooling unit 166, a fan 167 (see FIG. 2), and a power supply unit 170 (see FIG. 2) may be coupled to the bottom surface 110b, respectively.

The processor (or microcontroller 161) of the control board 160 may include one or more operation coils 130, a projection unit 140, an operation panel 148, an inverter 165, a cooling unit 166, and a fan. , And the power supply unit 170 can be controlled.

The processor (or microcontroller 161) of the control board 160 may include one or more operation coils 130, a projection unit 140, an operation panel 148, an inverter 165, a cooling unit 166, and a fan. , And some of the power supply unit 170 may be controlled. In addition, another processor (for example, a microcontroller controlling the projection unit 140, not shown) separate from the processor 161 of the control board 160 may be a processor of the control board 160. Other components that are not controlled at 161 (eg, projection unit 140) may be controlled.

The processor 161 of the control board 160 may provide operation state information of the projection unit 140 (for example, whether power is on or off or whether cooking information is displayed), or state information of the projection unit 140. At least one of (eg, normal operation, error occurrence, etc.) may be output to the projection unit 140.

The processor of the control board 160 may receive an input (or a user input) through the buttons 148a to 148d of the operation panel 148. The processor of the control board 160 may display the received input result in the display area 148c.

A partition 111, which is a flat plate (or a curved surface having a curvature), is positioned between the bottom surface 110b of the main body 110 and the top plate 120. The partition 111 contacts (or interferes with) at least one of the inverter 165, the cooling unit 166, the fan 167, and the power supply unit 170 located on the bottom surface 110b of the main body 110. May be combined with the main body 110 to have a spacing (for example, 1 to 15 mm or less). The partition 111 may be thinner or the same as the thickness of the upper plate 120.

The partition 111 may be thinner or the same as the thickness of the bottom surface 110b of the body 110. The partition 111 material may include a magnetic shield capable metal material (eg, aluminum, copper, etc.).

Partition 111 may have an opening 111a. Air between the partition 111 and the upper plate 120 may move in the direction of the bottom surface 110b through the opening 111a. Air between the partition 111 and the top plate 120 may move in the fan direction by the fan through the opening 111a of the partition 111.

The actuation coils 130, 130a through 130c may be located between the bottom surface 111b of the partition 111 and the top plate 120. The actuation coil 130 may be positioned on the pedestals 131, 131a to 131c that engage (or fix) the bottom surface 111b of the partition 111. Each working coil 130 may be located on each pedestal 131. The actuation coil 130 may be positioned on the pedestal 131 radially spread with respect to the center of the pedestal 131. The shape of the actuation coil 130 may comprise a circle, oval, polygon, or rounded rectangle. The actuation coil 130 may be connected to the inverter 165.

The number of actuation coils 130 may be one or more than two. In the embodiment of the present invention, three working coils 130a to 130c have been described, but are not limited thereto. Each of the working coils 130a to 130c may be located at a vertex direction with respect to the center of the partition 111. Each working coil 130 may be located in an edge direction with respect to the center of the partition 111.

The diameter of each actuation coil 130 may be the same (130b and 130c) or different (130a). The diameter of at least one of the plurality of actuation coils 130a through 130c may be different from that of other actuation coils. The diameter of the actuation coil 130a adjacent (or closest to) the reflector plate 145 may be larger than the diameter of the other actuation coils 130b and 130c.

The projection unit 140 may output cooking information (including operating state information) of the induction heating cooking apparatus 100 to the reflecting plate 145.

The number of projection units 140 may be less than the number of actuation coils 130. For example, the number of projection units 140 may be less than the plurality of actuation coils 130a to 130c.

The reflecting plate (projection plate or imaging plate) 145 may receive cooking information (including operating state information) of the induction heating cooking apparatus 100 output from the projection unit 140. In the reflection plate 145, the reception of cooking information (including operating state information) of the induction heating cooking apparatus 100 is reflected and projection of cooking information (including operating state information) of the induction heating cooking apparatus 100. (projection) or image formation (image formation).

The cross section of the reflector plate 145 may include a convex lens type, a concave lens shape, an oval shape, a rectangle, or a rectangle having rounded corners. The cross section of the reflective plate 145 described above is one example, but is not limited thereto.

In an embodiment of the present invention, the reflecting plate may include a projection plate or an imaging plate. The projection unit 140 and the reflection plate 145 may be referred to as a cooking information display unit 149. Detailed description of the reflective plate 145 will be described later.

The power supply unit 170 may convert AC power into DC power.

The inverter 165 may convert a DC power source into an AC power source (eg, low voltage to high voltage).

The cooling unit 166 may cool the heat inside the main body 110. The cooling unit 166 may include at least one of the heat dissipation fin 166a and the fan 167.

5A and 5B are schematic cross-sectional views showing a cooking information display unit according to an embodiment of the present invention. FIG. 5A is a cross-sectional view corresponding to the cut plane A-A 'of FIG. 4A. FIG. 5B is a cross-sectional view corresponding to the cutting plane B-B ′ of FIG. 4B.

4A to 5B, the cooking information display unit 149 of the induction heating cooking apparatus 100 is displayed. 4A and 5A, the cooking information display unit 149 includes a projection unit 140 and a flat reflector 145a. 4B and 5B, the cooking information display unit 149 includes a projection unit 140 and a curved reflective plate 145b.

4A and 5A, the flat reflector 145a may be positioned to be spaced apart from the projection unit 140 by a first predetermined distance (for example, 150 mm, L1, and the manufacturer may be changed). The first set distance L1 may correspond to at least one of the size of the projection unit 140 and the distance between the actuation coil 130 and the projection unit 140. In addition, the first set distance L1 may be changed according to the lens performance in the projection unit 140 or the structure of the optical system.

A portion of the projection module 140 may be positioned to penetrate the upper plate opening 111a. The upper plate opening 111a may be formed in consideration of some penetration of the projection module 140.

Since the coupling position of the projection module 140 (for example, the control board and the coupling position or the main body and the coupling position) and the installation position of the reflector 145a are different, the optical axis 140c and the reflector plate of the projection module 140 ( An angle θ1 may occur between 145a. Since the installation positions of the projection module 140 coupled with the control board 160 and the reflective plate 145a coupled with the partition 111 are different, the angle between the optical axis 140c and the reflective plate 145a of the projection module 140 is different. (θ1) may occur.

An angle θ1 may be 5 ° or less between the optical axis 140c of the projection module 140 and the reflector plate 145a. In addition, an angle θ1 may be greater than 3 ° and less than or equal to 10 ° between the optical axis 140c of the projection module 140 and the reflector plate 145a. The angle between the optical axis 140c of the projection module 140 and the reflecting plate 145a is the cooking information (operation state information) of the induction heating cooking apparatus 100 that is reflected (or projected, imaged, etc.) reflected by the reflecting plate 145a. Angle, between the highest position (or, the highest height, 146t) of 146, or cooking information (operation state information) of the induction heating cooking apparatus 100 reflected (or projected, image forming, etc.) reflected by the reflecting plate 145a. Inclusion, 146 may be represented by the angle between the lowest position (or the lowest height, 146b).

The reflecting plate 145a is inclined 90 ° with respect to the bottom surface 110b of the main body 110. The reflecting plate 145a is inclined larger than 88 ° and smaller than 93 ° based on the bottom surface 110b of the main body 110.

The flat plate reflector 145a may be spaced apart from the outermost working coil 130w among the working coils 130 by a second predetermined distance (for example, 25 mm, L2, and manufacturer changeable). The first set distance L1 is greater than the second set distance L2.

The width w of the flat reflective plate 145a may be changed according to the diameter of the working coil 130. For example, when the diameter of the actuation coil 130 is 240 mm, the width of the flat reflector 145a may be 240 mm or smaller than 240 mm. When the diameter of the actuation coil 130 is 180 mm, the width of the flat reflector 145a may be less than 180 mm, or 180 mm. In addition, the width w of the flat plate reflector 145a may be larger than the diameter of the working coil 130.

The width w of the flat reflective plate 145a may be greater than the width 146 of cooking information (including operating state information) of the induction heating cooking apparatus 100 output from the projection unit 140. For example, when the width of the cooking information (including operating state information) of the induction heating cooking apparatus 100 is 200 mm, the width of the flat plate reflector 145a may be larger than 200 mm.

The height h1 of the flat reflective plate 145a may be changed according to the height of the inverter 165 under the partition 111. For example, the height h1 of the flat reflective plate 145a may be less than 15 mm or 15 mm. The thickness t1 of the flat reflective plate 145a may be smaller than the height h1 of the flat reflective plate 145a. For example, the thickness t1 of the flat plate reflector 145a may be 10 mm or less. In addition, the thickness t1 of the flat plate reflector 145a may be smaller than 15 mm.

Since the material of the flat reflective plate 145a is located adjacent to the cooking vessel 1 heated to a high temperature, it may be a heat resistant material. The material of the flat reflective plate 145a may include, for example, aluminum, stainless steel without iron, heat resistant injection plastic, heat resistant silicone, or heat resistant rubber. The heat resistant injection plastic may include polycarbonate, polyamide, polyphenylene sulfide, or the like. The material of the flat plate reflector 145a described above is one example, and a heat resistant material is sufficient. The surface of the flat plate reflector 145a (eg, facing the projection unit) is coated with a white, silver, or achromatic reflective coating (eg silver or TiO 2) or adheres to the reflective film can be adhesion. In addition, the surface of the flat reflective plate 145a may be coated or film-bonded with the same material as the surface of the roll screen.

Cooking information (including operating state information) of the induction heating cooking apparatus 100 may be reflected from the front surface 145a1 of the flat panel reflector 145a. In order to improve visibility of cooking information (including operating state information) of the induction heating cooking apparatus 100, the front surface 145a1 of the reflecting plate 145a may be coated with a film (not shown) or coated (not shown). . In addition, cooking information (including operating state information) of the induction heating cooking apparatus 100 may be projected or formed on the front surface 145a1 of the flat panel reflector 145a.

An anti-shock material 147 may be positioned between the flat reflective plate 145a and the top plate 120. The buffer material 147 may be attached to (or attached to, or bonded to) at least one of the flat reflective plate 145a and the upper plate 120. The thickness of the cushioning material 147 may be 2 to 3 mm. In addition, the thickness of the shock absorbing material 147 may be 5 mm or less. In addition, the material of the cushioning material 147 may include heat resistant silicone, rubber or sponge.

In another embodiment of the present invention, a virtual flame is generated adjacent to the actuation coil 130 (eg, between the actuation coil 130 and the reflector plate 145) to cause a virtual flame to be displayed on the surface of the cooking vessel 1. It may further include a unit (for example, a plurality of light sources, a plurality of lenses corresponding to the plurality of light sources and a light source and a lens holder, etc., not shown).

All or part of the plurality of light sources can be controlled. Some of the plurality of light sources may include a group light source (which is 75% or less of the total light source) which is an individual light source or a set of individual light sources among all the light sources.

The virtual flame output from the virtual flame generating unit passes through the top plate 120 made of black heat-resistant material, or is formed on the top plate 120 made of black heat-resistant material corresponding to the virtual flame generating unit. It may pass through a crevice area (not shown).

The above-described virtual fireworks can be changed in size, color, brightness, or lighting speed of the virtual fireworks according to input of the buttons 148c1 and 148c2 of the operation panel 148 by the user. The virtual fireworks may change the brightness and the degree of flickering similar to the actual fireworks.

4B and 5B, the curved reflective plate 145b may be positioned apart from the projection unit 140 by a first predetermined distance (for example, 150 mm, L1, and the manufacturer may be changed).

Since the first set distance L1-1 in FIGS. 4B and 5B is substantially similar to the first set distance L1 in FIGS. 4A and 5A (for example, differences between reflecting plates), overlapping descriptions are omitted. do. Since the top plate opening 111a in FIGS. 4B and 5B is substantially similar to the top plate opening 111a in FIGS. 4A and 5A (for example, the difference between the reflecting plates), overlapping description is omitted.

The angle θ2 between the optical axis 140c of the projection module 140 and the reflecting plate 145b in FIGS. 4B and 5B is the optical axis 140c and the reflecting plate of the projection module 140 in FIGS. 4A and 5A. Since 145a is substantially similar to the angle θ1 (for example, the difference between the reflecting plates), overlapping description is omitted.

The curved reflective plate 145b may be spaced apart from the outermost working coil 130w among the working coils 130 by a second predetermined distance (for example, 25 mm, L2-1, manufacturer changeable). The first set distance L1-1 is greater than the second set distance L2-1.

The arc l of the curved reflector plate 145b may vary depending on the diameter of the actuation coil 130. For example, if the diameter of the working coil 240 ㎜ 130, the arc of the curved reflecting plate (145b) (arc, l) may be greater than 240 or 240 or ㎜㎜. When the diameter of the working coil 130 is 180 mm, the arc l of the curved reflector plate 145b may be larger than 180 mm, or 180 mm. In addition, the arc l of the curved reflective plate 145b may be smaller than the diameter of the working coil 130.

The arc l of the curved reflective plate 145b may be larger than the width of the cooking information (including operating state information) 146 of the induction heating cooking apparatus 100 output from the projection unit 140. For example, when the width of the cooking information (including the operation state information 146) of the induction heating cooking apparatus 100 is 200 mm, the arc l of the curved reflector plate 145b may be smaller than 200 mm.

The height h2 of the curved reflector 145b may be changed according to the height of the inverter 165 under the partition 111. For example, the height h2 of the curved reflective plate 145b may be less than 15 mm, or 15 mm. The thickness t2 of the curved reflective plate 145b may be smaller than the height h2 of the curved reflective plate 145b. For example, the thickness t2 of the curved reflective plate 145b may be 10 mm or less. In addition, the thickness t2 of the curved reflective plate 145b may be smaller than 15 mm.

Since the material of the curved reflector 145b in FIGS. 4B and 5B is substantially similar to the material of the planar reflector 145A in FIGS. 4A and 5A (for example, differences in shape), overlapping descriptions are omitted. do.

Cooking information (including operating state information) of the induction heating cooking apparatus 100 may be reflected from the front surface 145a1 of the curved reflective plate 145b. In order to improve visibility of cooking information (including operating state information) of the induction heating cooking apparatus 100, the front surface 145a1 of the reflecting plate 145a may be coated with a film (not shown) or coated (not shown). . In addition, cooking information (including operating state information) of the induction heating cooking apparatus 100 may be projected or formed on the front surface 145a1 of the curved reflective plate 145b.

The cushioning material 147-1 between the curved reflective plate 145b and the top plate 120 in FIGS. 4B and 5B is a buffer material 147 between the flat reflective plate 145a and the top plate 120 in FIGS. 4A and 5A. ) Is substantially similar (for example, difference between reflecting plates), and thus redundant descriptions are omitted.

The virtual flame generating unit (not shown, for example, a light source, a lens and a light source and a lens holder, etc.) in FIGS. 4B and 5B is shown in the virtual flame generating unit (for example, in FIGS. 4A and 5A). Since the light source, the lens and the light source and the lens holder (not shown) are substantially similar (for example, the difference between the reflecting plates), overlapping descriptions are omitted.

6 is a schematic cross-sectional view of a cooking information display unit having a tilted reflecting plate according to another embodiment of the present invention.

Referring to FIG. 6, in the cooking information display unit 149, the reflecting plate 145c is inclined at a set angle (eg, 45 °, α) with respect to the vertical of the bottom surface 110b of the main body 110. . For example, the set angle α may be larger than 1 ° and smaller than 55 ° based on the verticality of the bottom surface 110b of the main body 110. For example, the set angle α may be larger than 5 ° and smaller than 48 ° based on the verticality of the bottom surface 110b of the main body 110. In addition, the set angle α may be changed by at least one of a manufacturer, a material of the upper plate 120, and a distance between the working coil 130.

The reflecting plate 145c inclined at the set angle α may include a flat reflector inclined at the set angle α or a curved reflector inclined at the set angle α.

The reflection plate 145c inclined at the set angle α may be fixed to the groove 111b1 of the partition 111-1. An angle between the partition 111-1 and the groove 111b1 may correspond to the set angle α of the reflector 145c. In addition, the reflective plate 145c inclined at the set angle α may be fixed to an inclined protrusion (not shown, protruding in the opposite direction of the groove 111b1) of the partition 111-1. An angle between the partition 111-1 and the inclined protrusion may correspond to the set angle α of the reflector plate 145c.

A buffer member 147-2 different from FIG. 5A may be located between the reflecting plate 145c and the upper plate 120 that are inclined at the set angle α. Since the cushioning material 147-2 is substantially similar to the buffering material 147 in FIG. 5A (for example, the difference between the reflecting plates) between the curved reflective plate 145b and the upper plate 120 in FIG. It is omitted.

According to one side of the present invention, the reflecting plate may perform one of reflection, projection, and image formation of the cooking information in the upper plate direction.

According to one side of the invention, the reflector may be located closer to the working coil of the projection unit and the working coil.

According to one side of the invention, the reflector may include one of a flat reflector and a curved reflector.

According to one side of the invention, the width of the flat plate may be greater than or equal to the diameter of the working coil.

According to one aspect of the invention, the arc of the curved reflector may be greater than or equal to the diameter of the working coil.

According to one side of the present invention, one of the flat reflective plate and the curved reflective plate may be inclined larger than 88 ° and smaller than 93 ° relative to the bottom surface of the main body.

According to one side of the invention, the cross section of the reflector may include one of a convex lens type, concave lens type, oval, square and rounded rectangle.

According to one side of the invention, the height of the reflector may be greater than the thickness of the reflector.

According to one side of the present invention, further comprising a first partition located between the top plate and the bottom surface of the main body, the operating coil and the reflecting plate may be located in the partition.

According to one aspect of the invention, the partition may have a material capable of shielding the magnetic field generated in the working coil.

According to one aspect of the invention, the partition includes an opening, a portion of the projection unit may be positioned to penetrate the opening.

According to one side of the present invention, the cooking information may be output by tilting at a predetermined angle from the projection unit to the reflecting plate.

According to one side of the present invention, the cooking information may include operation state information of the induction heating cooking apparatus.

According to one aspect of the invention, the top plate may include a gap area, the cooking information may be provided through the gap area.

According to one side of the present invention, a cushioning material may be located between the upper plate and the reflecting plate.

According to one side of the present invention, further comprising a second partition positioned between the top plate and the bottom surface of the main body, the second partition may include one of a groove and a protrusion corresponding to the reflecting plate inclined at a predetermined angle Can be.

According to one side of the invention, when the number of the number of the working coil, the diameter of at least one of the plurality of working coils of the working coil may be different from the diameter of the other working coil.

7 is a flowchart illustrating a cooking information display method of an induction heating cooking apparatus according to an embodiment of the present invention.

In step S710 of FIG. 7, power of the induction heating cooking device is supplied.

The user may touch the power on / off button 148a of the operation panel 148 (see FIG. 1A). The processor 161 may supply power to the induction heating cooking apparatus 100 in response to the touch of the power on / off button 148a. The processor 161 may control the power supply unit 170 to supply power to the induction heating cooking apparatus 100 in response to the touch of the power on / off button 148a.

In step S720 of FIG. 7, cooking options are set in the operation panel with respect to the cooking vessel placed on the top plate.

The user may input cooking options for the cooking vessel 1 placed on the upper plate 120 through the operation panel 148 (see FIG. 1A). For example, the user may touch the acceleration buttons 148c1 and 148c2 and the timer button 148d of the operation panel 148. In addition, the user may touch a burner selection switch (not shown), a dial switch (or a magnetic knob, not shown), or a thermal switch (not shown) of the operation panel 148.

The processor 161 may store (or temporarily store) the set cooking option in the memory 180.

In step S730 of FIG. 7, the working coil is operated.

The processor 161 may control the inverter 165 in response to the set cooking option. The high frequency AC current is applied from the inverter 165 to correspond to the cooking option set in the working coil 130. The working coil 130 may operate by the applied high frequency AC current. The cooking vessel 1 is inductively heated by a high frequency alternating current applied to the working coil 130.

In step S740 of FIG. 7, cooking information is output from the projection unit.

The processor 161 may output cooking information corresponding to the set cooking option through the projection unit 140. Cooking information output from the projection unit 140 may be referred to as second cooking information. The cooking information corresponding to the set cooking option may include, for example, a temperature of the cooking container 1, an elapsed time of cooking, and / or a date / time. The temperature of the cooking vessel 1 can be detected through the sensor 169. The elapsed cooking time may be calculated through at least one of a user's operation panel input time and an operation start time of the working coil 130.

The processor 161 uses the projection unit 140 to prepare cooking information implemented by a combination of text, an image, a symbol, and a video, text, an image, a symbol, and a video corresponding to a cooking option stored in the memory 180. Output (or project, image forming) to the outside.

The reflector plate 145 may receive cooking information output from the projection unit 140. Cooking information received by the reflector 145 may be reflected, projected, or imaged.

The display 148c of the operation panel 148 may operate separately from the output of the cooking information from the projection unit. Cooking information corresponding to the user input received from the operation panel 148 may be displayed on the display 148c under the control of the processor 161. Cooking information displayed on the display 148c may be referred to as first cooking information. The order of the above-described first cooking information and second cooking information may be changed.

Information displayed on the operation panel 148 (or a part of cooking information) and information output from the projection unit 140 (or cooking information) may be different. The cooking information output from the display 148c, which is an output area of the operation panel 148, and the projection unit 140 may be different. Cooking information output to the operation panel 148 and the projection unit 140 may be different.

In operation S740 of FIG. 7, when cooking information is output from the projection unit, the cooking information displaying method of the induction heating cooking apparatus ends.

Methods according to an exemplary embodiment of the present invention may be implemented in the form of program instructions that can be executed by various computer means and recorded in a computer readable medium. The computer readable medium may include program instructions, data files, data structures, etc. alone or in combination. For example, the computer readable medium may be volatile or nonvolatile storage device such as a storage device such as a ROM, whether or not erasable or rewritable, or a memory such as, for example, a RAM, a memory chip, a device, or an integrated circuit. Or, for example, CD or DVD, magnetic disk or magnetic tape and the like can be stored in a storage medium that is optically or magnetically recordable and simultaneously readable by a machine (eg computer).

It will be appreciated that a memory that may be included in an induction heating cooking device is an example of a machine-readable storage medium suitable for storing a program or programs containing instructions for implementing embodiments of the present invention. Program instructions recorded on the media may be those specially designed and constructed for the purposes of the present invention, or they may be of the kind well-known and available to those having skill in the computer software arts.

As described above, the present application has been described by specific embodiments, such as specific components, and limited embodiments and drawings. However, the present invention is provided only for better understanding of the present application, and the present invention is limited to the above-described embodiments. In addition, various modifications and variations are possible to those skilled in the art to which the present invention pertains.

Therefore, the spirit of the present invention should not be limited to the above-described embodiment, and all the things that are equivalent to or equivalent to the scope of the claims as well as the claims to be described later belong to the scope of the present invention.

As described above, the present invention provides a cooking information display method of an induction heating cooking apparatus and an induction heating cooking apparatus in which a user can recognize the cooking information provided from the bottom of the upper plate through the projection unit and the reflecting plate inside the main body on the upper plate. can do.

Claims

Located on the main body, the top plate is placed cooking vessel;

An operating coil positioned below the top plate and generating a magnetic field for induction heating the cooking vessel;

A projection unit located in front of the operation coil and outputting cooking information; And

And a reflector positioned between the operation coil and the projection unit to receive the cooking information.
The method of claim 1,

The reflection plate is one of the induction heating cooking apparatus for performing one of the reflection, projection and image formation of the cooking information in the direction of the upper plate.
The method of claim 1,

And the reflecting plate is located closer to the working coil of the projection unit and the working coil.
The method of claim 1,

The reflecting plate includes an induction heating cooking device comprising one of a flat reflector and a curved reflector.
The method of claim 4, wherein

An induction heating cooking device having a width equal to or greater than a diameter of the working coil.
The method of claim 4, wherein

The arc of the curved reflector is greater than or equal to the diameter of the actuation coil.
The method of claim 4, wherein

One of the flat plate reflector and the curved reflector is inclined by more than 88 degrees and less than 93 degrees with respect to the bottom surface of the main body.
The method of claim 1,

The cross section of the reflector is one of the convex lens type, concave lens type, elliptical, square and rounded corners square induction heating cooking apparatus.
The method of claim 1,

Further comprising a first partition located between the top plate and the bottom surface of the body,

Induction heating cooking apparatus in which the working coil and the reflecting plate is located in the partition.
The method of claim 9,

The partition is induction heating cooking apparatus having a material capable of shielding the magnetic field generated in the working coil.
The method of claim 9,

The partition comprises an opening,

And part of the projection unit is positioned to penetrate the opening.
The method of claim 1,

And the cooking information is inclined at a predetermined angle from the projection unit to the reflecting plate and output.
The method of claim 1,

The top plate comprises a crevice region,

Induction heating cooking apparatus provided with the cooking information through the gap region.
The method of claim 1,

Further comprising a second partition located between the top plate and the bottom surface of the body,

And the second partition includes one of a groove and a protrusion corresponding to the reflecting plate inclined at a predetermined angle.
Receiving a user input corresponding to cooking of the cooking vessel placed on the top plate at the operation panel;

Generating a magnetic field in an operating coil positioned below the top plate and inductively heating the cooking vessel in response to the user input;

Displaying first cooking information corresponding to the user input on a display of the operation panel; And

And outputting second cooking information corresponding to the user input from a projection unit to a reflection plate positioned between the operation coil and the projection unit.