High-frequency heating conditioner

Abstract

This high frequency heating cooker is provided with a heating chamber, one or more microwave generators, a grill pan, one or more radiating units, and a control unit. The heating chamber has a top surface, a bottom surface, and a plurality of side surfaces. The one or more microwave generators generate microwaves. The grill pan can have an object to be heated placed thereon, and can be accommodated in the heating chamber. The one or more radiating units radiate the one or more microwaves from above the top surface and / or below the bottom surface. The control unit controls the one or more microwave generators. When viewed from above, the grill pan demarcates the interior of the heating chamber into a first region occupied by the grill pan and a second region not occupied by the grill pan. The control unit sets the radiation direction of the one or more microwaves to any of a plurality of directions including a direction toward the first region and a direction toward the second region.

Description

[Technical Field]

[0001] The present disclosure relates to a high frequency cooking device. [Background technology]

[0002] For example, Patent Document 1 discloses a microwave heating device that controls heating depending on the state of an object to be heated.

[0003] The conventional microwave heating device includes a waveguide antenna that radiates microwaves, a rotary drive unit that rotates the waveguide antenna, and a control unit that controls the rotary drive unit. The control unit controls the direction of the microwaves radiated from the waveguide antenna to heat the object according to its condition. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent No. 6331024 Summary of the Invention

[0005] However, the conventional microwave heating devices still have room for improvement in terms of appropriately heating the object to be heated. Therefore, an object of the present disclosure is to provide a high-frequency heating cooker that can more appropriately heat the object to be heated.

[0006] A high frequency cooking device according to one aspect of the present disclosure includes a heating chamber, one or more microwave generators, a grill pan, one or more radiating units, and a control unit.

[0007] The heating chamber has a top surface, a bottom surface, and a plurality of side surfaces. The one or more microwave generators generate one or more microwaves. The grill pan is capable of placing an object to be heated on it and is accommodated in the heating chamber, and absorbs microwaves to generate heat.

[0008] The one or more radiators radiate the one or more microwaves from above the top surface or below the bottom surface. The controller controls the one or more microwave generators.

[0009] When the interior of the heating chamber accommodating the grill pan is viewed from the top surface, the grill pan divides the interior of the heating chamber into at least a first region occupied by the grill pan and a second region not occupied by the grill pan. The control unit causes the one or more radiating units to set the radiation direction of the one or more microwaves to one of a plurality of directions including a direction toward the first region and a direction toward the second region.

[0010] The high frequency heating cooker of the present disclosure can heat an object to be heated more appropriately. [Brief explanation of the drawings]

[0011] [Figure 1] FIG. 1 is a schematic diagram of a high-frequency heating cooker according to a first embodiment of the present disclosure. [Figure 2] FIG. 2 is a top view of the high-frequency heating cooker according to the first embodiment. [Figure 3] FIG. 3 is a flowchart showing the operation of the high-frequency heating cooker according to the first embodiment. [Figure 4] FIG. 4 is a schematic diagram of a high-frequency heating cooker according to a first modified example of the first embodiment. [Figure 5] FIG. 5 is a top view of a high-frequency heating cooker according to a second modified example of the first embodiment with a grill pan removed. [Figure 6] FIG. 6 is a schematic diagram of a high-frequency heating cooker according to a third modified example of the first embodiment. [Figure 7] FIG. 7 is a schematic diagram of a high-frequency heating cooker according to the second embodiment of the present disclosure. [Figure 8] FIG. 8 is a schematic diagram of a high-frequency heating cooker according to the third embodiment of the present disclosure. [Figure 9] FIG. 9 is a flowchart showing the operation of the high-frequency heating cooker according to the third embodiment. [Figure 10] FIG. 10 is a schematic diagram of a high-frequency heating cooker according to the fourth embodiment of the present disclosure. DETAILED DESCRIPTION OF THE INVENTION

[0012] (Background to the technology disclosed herein) In recent years, high frequency cooking appliances have become capable of heating an object from above or below. When heating an object from below, the object is placed on a grill pan housed in a heating chamber.

[0013] When the interior of the heating chamber that houses the grill pan is viewed from the top, the interior of the heating chamber is divided by the grill pan into a first region and a second region. The first region is occupied by the grill pan. The second region is a gap formed between the side surface of the heating chamber and the grill pan, and is not occupied by the grill pan.

[0014] When microwaves are radiated from below toward the grill pan, the grill pan absorbs the microwaves and generates heat. The object to be heated is heated from below by the heat from heating element 10a. Meanwhile, the object to be heated is heated from above by the microwaves that reach above the grill pan through the second region.

[0015] In such high-frequency cookers, the microwaves that heat the grill pan do not contribute to heating the object from above, which means that the part of the object that comes into contact with the grill pan may burn before the inside of the object reaches the desired temperature.

[0016] The present inventors have investigated a high frequency heating cooker that can set the direction of microwave radiation to one of a plurality of directions including the direction toward the first region and the direction toward the second region, and have found that it is possible to heat an object to be heated more appropriately than conventional cookers.

[0017] Based on these new findings, the present inventors have come up with the following technology.

[0018] A high frequency cooking device according to a first aspect of the present disclosure includes a heating chamber, one or more microwave generators, a grill pan, one or more radiating units, and a control unit.

[0019] The heating chamber has a top surface, a bottom surface, and a plurality of side surfaces. The one or more microwave generators generate one or more microwaves. The grill pan is capable of placing an object to be heated on it and is accommodated in the heating chamber, and absorbs microwaves to generate heat.

[0020] The one or more radiators radiate the one or more microwaves from above the top surface or below the bottom surface. The controller controls the one or more microwave generators.

[0021] When the interior of the heating chamber accommodating the grill pan is viewed from the top surface, the grill pan divides the interior of the heating chamber into at least a first region occupied by the grill pan and a second region not occupied by the grill pan. The control unit causes the one or more radiating units to set the radiation direction of the one or more microwaves to one of a plurality of directions including a direction toward the first region and a direction toward the second region.

[0022] This configuration improves the controllability of heating, thereby enabling the object to be heated more appropriately.

[0023] In the high-frequency heating cooker of the second aspect of the present disclosure, when the interior of the heating chamber that houses the grill pan is viewed from the top surface, a gap is formed between the grill pan and at least one of the multiple side surfaces, separate from the second region, and the second region is larger than the gap.

[0024] This configuration can suppress the generation of sparks due to discharge between the grill pan and the multiple side surfaces.

[0025] In the high frequency heating cooker of the third aspect of the present disclosure, the grill plate is arranged so that the center of the grill plate is located closer to the at least one side surface of the plurality of side surfaces than the center of the lower surface of the heating chamber.

[0026] This configuration allows the first and second regions to be formed according to the arrangement of the grill pan, improving controllability during heating, and as a result, allowing the object to be heated to be heated more appropriately.

[0027] In the high frequency cooking device according to the fourth aspect of the present disclosure, the grill pan includes a heating element arranged on a surface opposite to a surface configured to place the object to be heated thereon.

[0028] This configuration allows the grill pan to heat the object to be heated from below.

[0029] In the high frequency cooking device according to the fifth aspect of the present disclosure, each of the one or more radiating parts includes a rotating antenna.

[0030] This configuration allows the one or more radiating portions to radiate microwaves in multiple directions.

[0031] In a high frequency cooking device according to a sixth aspect of the present disclosure, the plurality of radiation units include a first radiation unit and a second radiation unit. The first radiation unit is disposed below or above the first region and radiates the microwaves in a direction toward the first region. The second radiation unit is disposed below or above the second region and radiates the microwaves in a direction toward the second region.

[0032] This configuration allows the one or more radiating portions to radiate microwaves in multiple directions.

[0033] A seventh aspect of the present disclosure provides a high frequency cooking device, further comprising a temperature detection unit configured to detect a temperature of the object to be heated, and the control unit sets the radiation direction of the one or more microwaves based on the temperature detected by the temperature detection unit.

[0034] With this configuration, the control unit can change the direction of microwave radiation based on the temperature of the object to be heated, thereby improving controllability in heating, and as a result, the object to be heated can be heated more appropriately.

[0035] A high frequency heating cooker according to an eighth aspect of the present disclosure further includes an input unit configured to input cooking information, and the control unit sets the radiation direction of the one or more microwaves based on the cooking information.

[0036] This configuration allows the control unit to change the direction of microwave radiation based on the cooking information, improving controllability during heating and, as a result, allowing the object to be heated more appropriately.

[0037] In the high frequency heating cooker according to a ninth aspect of the present disclosure, the lower surface has markings for positioning the grill pan in the heating chamber.

[0038] This configuration allows the grill pan to be easily positioned in the heating chamber.

[0039] The high frequency cooking device according to a tenth aspect of the present disclosure further includes a frame for positioning the grill pan in the heating chamber.

[0040] This configuration allows the grill pan to be easily positioned within the heating chamber.

[0041] The high frequency cooking device of an eleventh aspect of the present disclosure further includes support legs for positioning the grill pan in the heating chamber.

[0042] This configuration allows the grill pan to be easily positioned within the heating chamber.

[0043] The high frequency cooking device according to a twelfth aspect of the present disclosure further includes, on the lower surface of the heating chamber, uneven portions for fixing the support legs.

[0044] This configuration allows the grill pan to be easily positioned within the heating chamber.

[0045] The high frequency heating cooker according to a thirteenth aspect of the present disclosure further includes a heater disposed on the top surface for heating the object to be heated.

[0046] With this configuration, the heater can be used to heat the object from above.

[0047] In a fourteenth aspect of the high frequency cooking device of the present disclosure, the grill pan is a first grill pan. The high frequency cooking device further includes a second grill pan that can be accommodated in the heating chamber and absorbs microwaves to generate heat. The second grill pan is disposed on top of the first grill pan.

[0048] With this configuration, the first grill pan and the second grill pan can heat the object to be heated from below and above, respectively.

[0049] (Embodiment 1) A high frequency cooking device according to embodiment 1 of the present disclosure will be described. In the following description, a microwave oven will be described as an example of the high frequency cooking device according to embodiment 1. However, the high frequency cooking device is not limited to a microwave oven.

[0050] [Overall configuration] Fig. 1 is a schematic diagram showing an example of a high-frequency heating cooker 1. Fig. 2 is a top view of the inside of a heating chamber 2 of the high-frequency heating cooker 1 as seen from a top surface 2a of the heating chamber 2.

[0051] 1 and 2, the high-frequency cooking device 1 includes a heating chamber 2, a microwave generator 3, a waveguide 7, a radiation unit 4, a control unit 5, a temperature detection unit 6, and a grill pan 10. The grill pan 10 is used to place an object 20 to be heated on it. The object 20 to be heated is food such as meat, frozen food, or processed food.

[0052] <Heating chamber> The heating chamber 2 has a top surface 2a, a bottom surface 2b, and multiple side surfaces. Specifically, the heating chamber 2 is a rectangular parallelepiped having four side surfaces (side surfaces 2c, 2d, 2e, and 2f). One of the four side surfaces (side surface 2e) is a door.

[0053] The lower surface 2b is generally flat so that the user can easily put in and take out the object to be heated 20 and wipe off any dirt adhering to the lower surface 2b. A grill pan 10 can be placed on the lower surface 2b of the heating chamber 2.

[0054] A radiation section 4, which will be described later, is disposed below the lower surface 2b. The lower surface 2b is formed from a material that easily transmits microwaves, such as glass or ceramic.

[0055] The top surface 2a and the side surfaces 2c to 2f suppress leakage of microwaves. The top surface 2a and the side surfaces 2c to 2f are formed of a material that reflects microwaves well, for example, a metal material such as aluminum-plated steel sheet or stainless steel.

[0056] <Microwave generator> The microwave generator 3 generates microwaves for heating the object to be heated 20. For example, the microwave generator 3 is a magnetron. In the first embodiment, the microwave generator 3 is disposed below the lower surface 2b of the heating chamber 2.

[0057] <Waveguide> The waveguide 7 is connected to the microwave generator 3 and the radiation unit 4, and transmits the microwaves generated by the microwave generator 3 to the radiation unit 4. The waveguide 7 may be a hollow metal tube. In the first embodiment, the waveguide 7 is disposed below the lower surface 2b of the heating chamber 2.

[0058] <Radiating part> The radiation unit 4 radiates the microwaves transmitted to the waveguide 7 into the heating chamber 2. In the first embodiment, the radiation unit 4 includes a rotating antenna 4a and a motor 4b. The motor 4b rotates the rotating antenna 4a, allowing the radiation unit 4 to change the radiation direction of the microwaves. In the first embodiment, the radiation unit 4 is disposed below the center of the lower surface 2b of the heating chamber 2.

[0059] <Control unit> The control unit 5 is disposed below the lower surface 2b of the heating chamber 2. The control unit 5 includes a memory (not shown) that stores a program, and a processor (not shown) having a CPU (central processing unit). The control unit 5 is electrically connected to the microwave generator 3 and the motor 4b.

[0060] The control unit 5 causes the microwave generator 3 to generate microwaves and adjust the output power based on the temperature of the object 20 to be heated.

[0061] Control unit 5 drives motor 4b to rotate rotatable antenna 4a, thereby changing the radiation direction of microwaves from rotatable antenna 4a. Rotatable antenna 4a radiates microwaves in two or more directions. For example, as shown in FIG. 1, rotatable antenna 4a radiates microwaves in direction A toward a first region R1 shown in FIG. 2 and direction B toward a second region R2 shown in FIG. 2. The first region R1 and the second region R2 will be described later.

[0062] Grill pan 10 absorbs the microwaves radiated in direction A and generates heat. Object 20 is heated by the heat from grill pan 10. Microwaves radiated in direction B are reflected by the side of heating chamber 2 in second region R2 and irradiate object 20 from above, causing dielectric heating of object 20.

[0063] Control unit 5 may point rotating antenna 4a in direction A or direction B and oscillate rotating antenna 4a in small increments around direction A or direction B. For example, the oscillation width is 15 degrees. In other words, control unit 5 causes radiator 4 to set the microwave radiation direction to one of multiple directions including direction A and direction B.

[0064] The control unit 5 controls the microwave generator 3 and the radiation unit 4 according to the state of the object to be heated 20. The control unit 5 grasps the state of the object to be heated 20 based on the temperature of the object to be heated 20 detected by the temperature detection unit 6 during heating. The temperature detection unit 6 will be described later.

[0065] <Temperature detection section> The temperature detection unit 6 detects the temperature of the object to be heated 20. The temperature detection unit 6 may detect the temperature of the object to be heated 20 as a two-dimensional temperature distribution. The temperature detection unit 6 may also detect the temperature of the side surface of the heating chamber 2 that is not the object to be heated 20. For example, the temperature detection unit 6 is an infrared sensor. The temperature detection unit 6 does not necessarily have to be an infrared sensor, and may be, for example, a temperature probe that directly detects the temperature of the object to be heated 20.

[0066] The temperature detection unit 6 may detect the temperature intermittently, for example, at intervals of 0.1 seconds.

[0067] <Grill plate> An object to be heated 20 is placed on grill pan 10. Grill pan 10 has a shallow bowl shape with a downward recess in the center. In the first embodiment, grill pan 10 has a rectangular shape when viewed from top surface 2a.

[0068] Grill pan 10 is made of a metal with high thermal conductivity, such as aluminum. Grill pan 10 includes a heating element 10a applied to the surface opposite to the surface on which object 20 to be heated is placed. Heating element 10a is made of, for example, ferrite, which absorbs microwaves and generates heat. Grill pan 10 heats object 20 from below using the heat from heating element 10a.

[0069] Grill pan 10 is smaller than lower surface 2b of heating chamber 2 so that it can be accommodated within heating chamber 2. Grill pan 10 has an area that is at least 1 / 4 and not more than 2 / 3 of the area of ​​lower surface 2b. Grill pan 10 preferably has an area that is half the area of ​​lower surface 2b.

[0070] Support legs 12 are arranged within heating chamber 2 to support grill pan 10 so that grill pan 10 is positioned above lower surface 2b.

[0071] Support leg 12 includes four rod-shaped members. The four rod-shaped members are arranged near the four corners of grill pan 10 and extend from near the four corners of grill pan 10 toward underside 2b. Support leg 12 is large enough to be accommodated within heating chamber 2. Support leg 12 has a height that is at least 1 / 4 and not more than 3 / 4 of the height of side surfaces 2c to 2f. Support leg 12 preferably has a height that is half the height of side surfaces 2c to 2f. In this case, microwaves can more appropriately heat object 20 from above and below.

[0072] The arrangement of the grill pan 10 in the heating chamber 2 will be described with reference to FIG.

[0073] 2, side surface 2e and side surface 2f are disposed opposite each other in the depth direction. Side surface 2d and side surface 2c are disposed opposite each other in the lateral direction. When the interior of heating chamber 2 is viewed from top surface 2a, heating chamber 2 has a first region R1 in which grill pan 10 is disposed and a second region R2 in which grill pan 10 is not disposed.

[0074] In Figure 2, grill pan 10 is positioned near sides 2c, 2e, and 2f. Therefore, first region R1 is formed near sides 2c, 2e, and 2f. Second region R2 is the left half of heating chamber 2, surrounded by sides 2d, 2e, and 2f of heating chamber 2.

[0075] 1, the direction from rotating antenna 4a toward first region R1 is defined as direction A, and the direction from rotating antenna 4a toward second region R2 is defined as direction B. As described above, microwaves radiated in direction A are absorbed by grill pan 10. Microwaves radiated in direction B are reflected by the side surface of heating chamber 2 within second region R2 and irradiate object to be heated 20 from above.

[0076] Three gaps R3 for preventing sparks due to discharge are formed between the grill pan 10 and the side surface 2c, between the grill pan 10 and the side surface 2e, and between the grill pan 10 and the side surface 2f. The gaps R3 make it possible to suppress the generation of sparks due to discharge between the grill pan 10 and the side surfaces 2c, 2e, and 2f, thereby improving the safety of the high-frequency heating cooker 1.

[0077] Gap R3 between grill pan 10 and side surface 2c has width T1. Gap R3 between grill pan 10 and side surface 2f has width T2. Gap R3 between grill pan 10 and side surface 2e has width T3.

[0078] Each of widths T1, T2, and T3 is preferably 5 mm or more and 10 cm or less, and more preferably 10 mm or more and 5 cm or less. The three gaps R3 are not necessarily required; at least one of the three gaps R3 should be provided. Sparks due to discharge are less likely to occur if a gap of 5 mm or more is provided between the grill pan and the side surface, or if the grill pan and the side surface are in complete contact.

[0079] The size relationship between regions R1, R2, and gap R3 will be explained. In this embodiment, the sizes of regions R1, R2, and gap R3 are areas viewed from the top surface 2a. The second region R2 is larger than gap R3. The second region R2 is sufficiently larger than gap R3 and is the same size as the first region R1.

[0080] In this case, when rotating antenna 4a radiates microwaves while rotating, the amount of microwaves radiated in direction A is equal to the amount of microwaves radiated in direction B. Therefore, object 20 to be heated can be heated from below and above in the same manner.

[0081] That is, the object to be heated 20 can be heated from both below and above in the same manner without adjusting the time for which the rotating antenna 4a is directed toward each of the regions R1 and R2. As a result, the object to be heated 20 can be heated more appropriately.

[0082] For example, the area ratio of the second region R2 to the first region R1 is 0.8 or more and 1.2 or less, and the area ratio of the gap R3 to the first region R1 is 0.05 or more and 0.3 or less.

[0083] Grill pan 10 is positioned away from at least one of side surfaces 2c to 2f and close to one or more of the remaining side surfaces 2c to 2f. As shown in Fig. 2, grill pan 10 is positioned away from side surface 2d and close to side surface 2c. That is, grill pan 10 is positioned so that its center is closer to at least one of the side surfaces (side surfaces 2c, 2d, 2e, and 2f) (here, side surface 2c) than the center of bottom surface 2b of heating chamber 2.

[0084] This arrangement of grill pan 10 forms a second region R2 where no grill pan 10 is located. Microwaves are reflected by the side surfaces of heating chamber 2 within second region R2 and irradiate object 20 from above. The larger second region R2 is, the greater the amount of microwaves irradiating grill pan 10 from above.

[0085] [Operation] A description will now be given of an example of the operation of the high frequency heating cooker 1. Fig. 3 is a flowchart showing the operation of the high frequency heating cooker 1 when heating frozen food.

[0086] In step S11, the control unit 5 directs the radiating unit 4 toward the second region R2. That is, the control unit 5 activates the motor 4b of the radiating unit 4 to set the orientation of the rotating antenna 4a to the direction B.

[0087] In step S12, control unit 5 causes microwave generator 3 to generate microwaves to start heating object 20. The microwaves are transmitted to radiation unit 4 via waveguide 7. Rotating antenna 4a radiates the microwaves in direction B.

[0088] The microwaves are reflected by the side surfaces 2c to 2f and the top surface 2a in the second region R2, and the object 20 to be heated is dielectrically heated by the microwaves irradiated from above due to this reflection.

[0089] In step S13, the temperature detection unit 6 detects the temperature K of the heating object 20. In step S14, the control unit 5 determines whether the temperature K is equal to or greater than a first threshold value. If the temperature K is less than the first threshold value (No in step S14), the control unit 5 continues radiating the microwave in direction B in step S15.

[0090] If the temperature K detected by the temperature detection unit 6 is equal to or greater than the first threshold value (Yes in step S14), then in step S16, the control unit 5 directs the radiation unit 4 toward the first region R1. That is, the control unit 5 activates the motor 4b of the radiation unit 4 to change the orientation of the rotational antenna 4a from direction B to direction A. The rotational antenna 4a radiates microwaves in direction A.

[0091] Grill pan 10 absorbs the microwaves, generates heat, and heats object 20 from below, thereby browning the bottom of object 20.

[0092] In step S17, the temperature detection unit 6 detects the temperature K of the heating object 20. In step S18, the control unit 5 determines whether the temperature K is equal to or higher than a second threshold value. In this embodiment, the second threshold value is greater than the first threshold value.

[0093] If the temperature K is less than the second threshold value (No in step S18), in step S19, the control unit 5 continues radiating microwaves in the direction A. If the temperature K is equal to or greater than the second threshold value (Yes in step S18), the control unit 5 ends the heating operation.

[0094] For example, when defrosting an object to be heated, the first threshold is 10°C, and when baking an object to be heated, the second threshold is 80°C. The first threshold is set to any value in the range of 0°C to 20°C depending on the object to be heated and the heating course. The second threshold is set to any value in the range of 70°C to 90°C depending on the object to be heated and the heating course.

[0095] [effect] According to the high frequency heating cooker 1 according to the first embodiment, the following effects can be achieved.

[0096] The high frequency cooking device 1 includes a heating chamber 2, a microwave generator 3, a grill pan 10, a radiation unit 4, and a control unit 5. The heating chamber 2 has a top surface 2a, a bottom surface 2b, and side surfaces 2c to 2f. The microwave generator 3 generates microwaves. The grill pan 10, on which an object to be heated can be placed and which can be accommodated in the heating chamber 2, absorbs microwaves and generates heat.

[0097] Radiation unit 4 radiates microwaves from below bottom surface 2b. Control unit 5 controls microwave generator 3. When the interior of heating chamber 2 accommodating grill pan 10 is viewed from top surface 2a, grill pan 10 divides the interior of heating chamber 2 into at least a first region R1 occupied by grill pan 10 and a second region R2 not occupied by the grill pan.

[0098] The control unit 5 causes the radiation unit 4 to set the direction in which the microwave is radiated to one of a plurality of directions including a direction A toward the first region R1 and a direction B toward the second region R2.

[0099] When the interior of heating chamber 2 accommodating grill pan 10 is viewed from top surface 2a, a gap R3 is formed between grill pan 10 and at least one of side surfaces 2c, 2e, and 2f, in addition to the second region R2. Second region R2 is larger than gap R3.

[0100] This configuration allows the heating object 20 to be heated from above or below, thereby improving the controllability of heating by microwaves.

[0101] When the control unit 5 causes the radiation unit 4 to radiate microwaves in the direction A toward the first region R1, the grill pan 10 absorbs the microwaves, generates heat, and heats the object 20 to be heated from below.

[0102] When the control unit 5 causes the radiation unit 4 to radiate microwaves in the direction B toward the second region R2, the microwaves are reflected by the side surfaces 2c to 2f and the top surface 2a within the second region R2. The object 20 to be heated is dielectrically heated by the microwaves irradiated from above due to this reflection.

[0103] The second region R2 is larger than the gap R3. Therefore, the amount of microwaves irradiating the object 20 from above is greater when microwaves are radiated in direction B than when microwaves are radiated in direction A. Increasing the size of the second region R2 allows the amount of microwaves irradiating the object 20 from above to be increased.

[0104] Grill pan 10 is placed away from at least one of the side surfaces 2c to 2f (for example, side surface 2d) and close to the remaining one or more side surfaces (at least one of side surfaces 2c, 2e, and 2f).

[0105] This arrangement of grill pan 10 forms second region R2 near side surface 2d and first region R1 near at least one of sides 2c, 2e, and 2f. Microwaves can be irradiated onto object 20 from above through second region R2.

[0106] Grill pan 10 includes a heating element 10a disposed on the surface opposite to the surface on which object 20 to be heated is placed.

[0107] Heat generating element 10a absorbs microwaves and generates heat, which allows grill pan 10 to heat object 20 placed on grill pan 10.

[0108] The radiation unit 4 has a rotating antenna 4a, which can radiate microwaves in any direction.

[0109] The high frequency heating cooker 1 further includes a temperature detection unit 6 configured to detect the temperature of the object to be heated 20. The control unit 5 sets the direction in which microwaves are radiated based on the detected temperature.

[0110] By detecting the temperature of the object to be heated 20, it is possible to further improve the controllability of heating. For example, if the object to be heated 20 is a frozen food, microwaves are radiated in direction B. The object to be heated 20 is heated from above and thawed. Thereafter, based on the temperature of the object to be heated 20, microwaves are radiated in direction A, and the object to be heated 20 is heated from below. In this way, the object to be heated 20 can be efficiently browned.

[0111] The high frequency cooking device 1 further has support legs 12 for determining the position of the grill pan 10 in the heating chamber 2. The user can place the grill pan 10 in an appropriate position by placing the grill pan 10 on the support legs 12.

[0112] By placing grill pan 10 on support legs 12, a space is formed between grill pan 10 and underside 2b. This space prevents damage to underside 2b even if the temperature of grill pan 10 rises. As a result, the safety of high-frequency heating cooker 1 can be improved.

[0113] In the first embodiment, an example of the high frequency cooking device 1 is a microwave oven, which is the simplest example. However, the present disclosure is not limited to this. The high frequency cooking device 1 may be a microwave oven that further has a heater arranged near the top surface 2a to heat the object 20 to be heated from above.

[0114] In the first embodiment, gaps R3 for preventing contact are formed between grill pan 10 and multiple side surfaces 2c, 2e, and 2f of heating chamber 2. A transparent material that allows microwaves to pass through may be placed in gaps R3.

[0115] In the first embodiment, the microwave generator 3 and the radiation unit 4 are disposed below the bottom surface 2b. However, the microwave generator 3 and the radiation unit 4 may also be disposed above the top surface 2a. This configuration will be described in a first modified example below.

[0116] In the first embodiment, the high frequency cooking device 1 has one rotating antenna 4a. However, the high frequency cooking device 1 may have a plurality of rotating antennas 4a.

[0117] In the first embodiment, the radiation unit 4 is disposed in the center of the lower surface 2b when viewed from above. However, the location of the radiation unit 4 is not limited to this. The radiation unit 4 may be disposed so that the microwaves radiated from the rotating antenna 4a are directed toward the first and second regions. For example, the radiation unit 4 may be disposed close to any of the side surfaces 2c to 2f.

[0118] As mentioned above, control unit 5 may point rotatable antenna 4a in direction A or direction B and oscillate rotatable antenna 4a slightly around direction A or direction B. However, this oscillation is not necessarily required. By not oscillating rotatable antenna 4a, more localized heating is possible.

[0119] In the first embodiment, the direction A and the direction B are each a single direction. However, the direction A and the direction B may each include a plurality of directions.

[0120] Specifically, direction A includes directions A1, A2, and A3, which are different from each other, and direction B includes directions B1, B2, and B3, which are different from each other. In step S11 of Figure 3, control unit 5 sets the orientation of rotatable antenna 4a to at least one of directions B1 to B3. In step S16 of Figure 3, control unit 5 sets the orientation of rotatable antenna 4a to at least one of directions A1 to A3.

[0121] That is, the control unit 5 causes the radiation unit 4 to set the radiation direction of the microwave to one of a plurality of directions including direction A and direction B.

[0122] In the first embodiment, grill pan 10 is placed close to side surfaces 2c, 2e, and 2f. However, grill pan 10 may be placed close to at least one of side surfaces 2c to 2f. For example, grill pan 10 may be placed close to side surfaces 2c and 2f.

[0123] In the first embodiment, the microwave is radiated in direction B toward the second region R2, and then in direction A toward the first region R1. However, the microwave may be radiated in direction A toward the first region R1, and then in direction B toward the second region R2.

[0124] In the first embodiment, the support legs 12 are fixed to the lower surface 2b of the heating chamber 2. However, the support legs 12 may also be fixed to the grill pan 10. This configuration will be described in a second modified example below.

[0125] In the first embodiment, support legs 12 are fixed to the underside 2b of heating chamber 2. However, grill pan 10 may be positioned by means other than support legs 12. For example, a frame structure may be placed inside heating chamber 2, and grill pan 10 may be placed on top of that frame structure. This configuration will be described in the third modified example below.

[0126] (First Modification) Fig. 4 is a schematic diagram of a high frequency heating cooker 1 according to a first modified example of embodiment 1. As shown in Fig. 4, in the first modified example, a microwave generator 3 and a radiation part 4 are disposed above a top surface 2a.

[0127] In this configuration, when microwaves are radiated in direction B toward second region R2, the microwaves are reflected by side surfaces 2c-2f and bottom surface 2b within second region R2. Grill pan 10 absorbs the microwaves irradiated from below and generates heat, thereby heating object 20 from below.

[0128] When microwaves are radiated in direction A toward first region R1, object 20 is dielectrically heated by the microwaves radiated from above. According to the first modification, the same effects as those of the first embodiment can be achieved.

[0129] (Second Modification) In the second variant, the support legs 12 are attached directly to the grill pan 10. Therefore, the support legs 12 are moved in and out of the heating chamber 2 together with the grill pan 10.

[0130] Fig. 5 is a top view of the high-frequency heating cooker 1 according to a second modified example of the first embodiment, with the grill pan 10 removed. As shown in Fig. 5, in the second modified example, uneven portions 13 are provided on the lower surface 2b of the heating chamber 2 in order to position the lower ends of the support legs 12. For example, the uneven portions 13 have a hole shape into which the lower ends of the support legs 12 can be fitted.

[0131] This configuration allows the user to easily position grill pan 10. That is, in a configuration in which support legs 12 can be moved in and out of heating chamber 2, grill pan 10 and support legs 12 can always be placed in the same position.

[0132] In the second modification, concave and convex portions 13 are provided for positioning support legs 12. However, other means may be used for positioning support legs 12. For example, markings may be provided on the lower surface 2b of heating chamber 2 for positioning grill pan 10 in heating chamber 2.

[0133] This marking allows the user to easily position grill pan 10. In a configuration in which support legs 12 can be moved in and out of heating chamber 2, grill pan 10 and support legs 12 can always be placed in the same position.

[0134] (Third Modification) Fig. 6 is a schematic diagram of a high-frequency heating cooker according to a third modified example of Embodiment 1. As shown in Fig. 6, the high-frequency heating cooker 1 further has a frame 22 for positioning the grill pan 10 in the heating chamber 2. The frame 22 positions the grill pan 10 away from the lower surface 2b of the heating chamber 2.

[0135] Frame 22 is formed of a plurality of rod-shaped members. For example, frame 22 has a through-hole defined by the plurality of rod-shaped members. This through-hole is formed closer to side surface 2c than to side surface 2d. When grill pan 10 is placed in the through-hole, grill pan 10 is positioned parallel to top surface 2a and bottom surface 2b in heating chamber 2. Microwaves can reach the upper part of frame 22 through the portion of frame 22 where no through-hole is provided.

[0136] This configuration reduces the risk of a user accidentally tipping over grill pan 10 compared to when support legs 12 are used. Protrusions for hooking and attaching frame 22 may be provided at a plurality of different height positions on at least one of side surfaces 2c to 2f. These protrusions allow frame 22 to be removably positioned within heating chamber 2.

[0137] This configuration makes it possible to adjust the height position of grill pan 10 within heating chamber 2. Rails and fixing mechanisms for attaching frame 22 may be provided at a plurality of different height positions on at least one of side surfaces 2c to 2f, thereby achieving the same effect as the protrusions described above.

[0138] (Embodiment 2) A high frequency heating cooker according to embodiment 2 of the present disclosure will be described. In embodiment 2, differences from embodiment 1 will be mainly described. In embodiment 2, the same or equivalent configurations as in embodiment 1 will be assigned the same reference numerals, and duplicated descriptions will be omitted.

[0139] 7 is a schematic diagram of a high frequency heating cooker 1A according to embodiment 2 of the present disclosure. Embodiment 2 differs from embodiment 1 in that the high frequency heating cooker 1A includes an input unit 35 but does not include a temperature detection unit 6.

[0140] 7, the high-frequency heating cooker 1A includes an input unit 35 configured, for example, by a touch panel. For example, the user inputs cooking information for the object 20 to be heated by selecting a desired menu from a menu displayed on the touch panel.

[0141] The cooking information depends on the object to be heated 20. For example, the cooking information includes the type, amount, initial state, cooking method, etc. of the object to be heated 20. Specifically, the cooking information includes menu items such as "shumai, 4 pieces, frozen, warmed" and "chicken, 200g, refrigerated, grilled." The cooking information may also include more detailed settings such as "toast doneness."

[0142] [Operation] The control unit 5 changes the direction in which the microwaves are emitted based on the cooking information input by the input unit 35. The control unit 5 further includes a storage medium (not shown). The storage medium stores in advance control information corresponding to the cooking information.

[0143] When cooking information is input via input unit 35, control unit 5 extracts control information corresponding to the cooking information and controls heating based on the control information. Specifically, control unit 5 changes the direction of rotational antenna 4a of radiation unit 4 based on the control information corresponding to the input cooking information, similar to the first embodiment.

[0144] For example, the high frequency heating cooker 1A is used to heat a frozen food as the heating object 20. First, the user inputs cooking information through the input unit 35. The control unit 5 starts a preset thawing process based on the cooking information.

[0145] Control unit 5 causes rotating antenna 4a to radiate microwaves in direction B. The microwaves radiated in direction B irradiate object 20 from above, heating object 20 and thawing it.

[0146] Once the thawing process is complete, the control unit 5 starts a preset baking process based on the cooking information. The control unit 5 causes the rotating antenna 4a to radiate microwaves in direction A. The microwaves radiated in direction A irradiate the grill pan 10 from below, causing the grill pan 10 to generate heat. This heat evaporates the moisture that accumulated on the grill pan 10 during the thawing process. This heat may also be used to bake the underside of the object 20 to be heated.

[0147] [effect] The high frequency heating cooker 1A further includes an input unit 35 for inputting cooking information. The control unit 5 sets the direction in which microwaves are radiated based on the cooking information.

[0148] In this configuration, the direction of microwave radiation is set based on the input cooking information, so that the object to be heated 20 can be appropriately heated without detecting the temperature of the object to be heated 20.

[0149] By the user inputting cooking information (for example, the degree of doneness) through the input unit 35, cooking can be performed according to the user's preferences.

[0150] In the second embodiment, the high frequency heating cooker 1A does not include a temperature detection unit 6, but includes an input unit 35. However, the high frequency heating cooker 1A may also include a temperature detection unit 6. By using the temperature detection unit 6 and the input unit 35 in combination, the object to be heated 20 can be heated more appropriately.

[0151] For example, the control unit 5 controls the heating based on cooking information input via the input unit 35. The control unit 5 controls the radiation and radiation direction of microwaves based on the temperature of the object 20 to be heated detected by the temperature detection unit 6 during heating.

[0152] In the second embodiment, the input unit 35 is configured as a touch panel. However, the input unit 35 may also be provided with a plurality of input buttons. In this case, the plurality of input buttons each correspond to a different piece of cooking information.

[0153] In the second embodiment, the high frequency cooking device 1A includes the input unit 35. However, the input unit 35 does not have to be included in the high frequency cooking device 1A. The input unit 35 may be a touch panel that is independent from the high frequency cooking device 1A.

[0154] The high frequency heating cooker 1A may have a remote controller that functions as the input unit 35. The remote controller transmits cooking information selected by the user, and the high frequency heating cooker 1A receives the cooking information.

[0155] A smartphone may function as the input unit 35. To this end, the high-frequency heating cooker 1A communicates cooking information with the smartphone. Specifically, the smartphone transmits cooking information using a dedicated application installed for operating the high-frequency heating cooker 1A.

[0156] (Embodiment 3) A high frequency heating cooker according to embodiment 3 of the present disclosure will be described. In embodiment 3, differences from embodiment 1 will be mainly described. In embodiment 3, the same or equivalent configurations as those in embodiment 1 will be assigned the same reference numerals, and duplicated descriptions will be omitted.

[0157] 8 is a schematic diagram of a high-frequency heating cooker 1B according to a third embodiment of the present disclosure. The third embodiment differs from the first embodiment in that the high-frequency heating cooker 1B includes a plurality of microwave generators, a plurality of waveguides, and a plurality of radiating units. The third embodiment differs from the first embodiment in that the high-frequency heating cooker 1B includes a plurality of radiating units without a rotating antenna, instead of the radiating unit 4 having the rotating antenna 4a.

[0158] As shown in FIG. 8, the high frequency cooking appliance 1B includes a first microwave generator 43, a second microwave generator 53, a first radiating section 44, a second radiating section 54, a first waveguide 47, and a second waveguide 57.

[0159] The first microwave generator 43 and the second microwave generator 53 have a structure similar to that of the microwave generator 3 of the first embodiment, and are connected to the control unit 5. The first waveguide 47 and the second waveguide 57 have a structure similar to that of the waveguide 7 of the first embodiment. The first waveguide 47 is connected to the first microwave generator 43 and the first radiating unit 44. The second waveguide 57 is connected to the second microwave generator 53 and the second radiating unit 54.

[0160] The first radiating portion 44 and the second radiating portion 54 are fixed and radiate microwaves in one direction. The first radiating portion 44 and the second radiating portion 54 radiate the microwaves transmitted by the first waveguide 47 and the second waveguide 57 into the heating chamber 2, respectively.

[0161] The first radiating portion 44 and the second radiating portion 54 are disposed below the lower surface 2b. Specifically, the first radiating portion 44 is disposed below the first region R1 and radiates microwaves in direction A toward the first region R1. The second radiating portion 54 is disposed below the second region R2 and radiates microwaves in direction B toward the second region R2.

[0162] [Operation] An example of the operation of the high frequency heating cooker 1B will be described below. Fig. 9 is a flowchart showing the operation of the high frequency heating cooker 1B when heating frozen food.

[0163] In step S21, the control unit 5 starts heating by the second radiating unit 54. The control unit 5 causes the second microwave generator 53 connected to the second radiating unit 54 to generate microwaves. The microwaves are transmitted to the second radiating unit 54 by the second waveguide 57. The second radiating unit 54 radiates the microwaves in direction B.

[0164] In step S22, the temperature detection unit 6 detects the temperature K of the heating object 20. In step S23, the control unit 5 determines whether the temperature K is equal to or greater than the first threshold value. If the temperature K is less than the first threshold value (No in step S23), the control unit 5 continues radiating the microwave in direction B in step S24.

[0165] If the temperature K detected by the temperature detection unit 6 is equal to or higher than the first threshold value (Yes in step S23), the control unit 5 causes the second radiating unit 54 to stop radiating microwaves in step S25.

[0166] In step S26, the control unit 5 starts heating by the first radiating unit 44. The control unit 5 causes the first microwave generator 43 connected to the first radiating unit 44 to generate microwaves. The microwaves are transmitted to the first radiating unit 44 by the first waveguide 47. The first radiating unit 44 radiates the microwaves in direction A.

[0167] In step S27, the temperature detection unit 6 detects the temperature K of the heating object 20. In step S28, the control unit 5 determines whether the temperature K is equal to or higher than the second threshold value.

[0168] If the temperature K is less than the second threshold value (No in step S28), the control unit 5 continues radiating the microwave in the direction A in step S29.

[0169] If the temperature K is equal to or higher than the second threshold value (Yes in step S28), the control unit 5 causes the first radiating unit 44 to stop radiating microwaves.

[0170] [effect] The high frequency heating cooker 1B includes a first radiating section 44, a second radiating section 54, and a control section 5. The first radiating section 44 radiates microwaves generated by the first microwave generator 43 from below the lower surface 2b of the heating chamber 2. The second radiating section 54 radiates microwaves generated by the second microwave generator 53 from below the lower surface 2b of the heating chamber 2. The control section 5 controls the first microwave generator 43 and the second microwave generator 53.

[0171] This configuration makes it possible to more appropriately heat the object to be heated 20, similar to the first embodiment. Specifically, the control unit 5 controls the first radiating unit 44 and the second radiating unit 54 to set the direction in which to radiate microwaves to one of a plurality of directions including the direction A toward the first region R1 and the direction B toward the second region R2. This allows the third embodiment to achieve the same effects as the first embodiment.

[0172] The high frequency cooking device 1B has a first radiation section 44 and a second radiation section 54. The first radiation section 44 is disposed below the first region R1 and radiates microwaves in the direction toward the first region R1. The second radiation section 54 is disposed below the second region R2 and radiates microwaves in the direction toward the second region R2. This configuration makes it easy to switch the radiation direction of the microwaves between the two directions.

[0173] In the third embodiment, the high frequency cooking device 1B includes a first microwave generator 43 and a second microwave generator 53. However, the high frequency cooking device 1B may include three or more radiating units. By including more radiating units, it becomes easier to control the radiation direction of the microwaves. In this case, the high frequency cooking device 1B includes a plurality of microwave generators corresponding to the number of radiating units, and a plurality of waveguides corresponding to the number of radiating units.

[0174] (Fourth embodiment) A high frequency heating cooker according to embodiment 4 of the present disclosure will be described. In embodiment 4, differences from embodiment 1 will be mainly described. In embodiment 4, the same or equivalent configurations as those in embodiment 1 will be assigned the same reference numerals, and duplicated descriptions will be omitted.

[0175] 10 is a schematic diagram of a high frequency heating cooker 1C according to a fourth embodiment of the present disclosure. The fourth embodiment differs from the first embodiment in that the high frequency heating cooker 1C includes a plurality of grill pans.

[0176] As shown in FIG. 10 , the high-frequency cooking device 1C further includes a lid grill pan 50. The lid grill pan 50 has the same configuration as the grill pan 10. That is, the lid grill pan 50 has the same dimensions and shape as the grill pan 10 and includes a heating element 50a similar to the heating element 10a. The lid grill pan 50 is placed on top of the grill pan 10. This allows an object to be heated 20 to be accommodated in the space between the grill pan 10 and the lid grill pan 50.

[0177] When control unit 5 causes rotating antenna 4a to radiate microwaves in direction B toward second region R2, the microwaves are reflected by side surfaces 2c-2f and top surface 2a within second region R2. Cover grill pan 50 absorbs the microwaves irradiated from above due to this reflection, generates heat, and heats object 20 placed on grill pan 10 from above.

[0178] With this configuration, in the fourth embodiment, the object to be heated 20 is heated from below by the grill pan 10 and from above by the lid grill pan 50. As a result, the bottom and top of the object to be heated 20 are cooked to the same degree.

[0179] When toasting bread, first, control unit 5 causes rotating antenna 4a to radiate microwaves in direction A toward first region R1 to toast the bottom of the bread. Next, control unit 5 causes rotating antenna 4a to radiate microwaves in direction B toward second region R2 to toast the top of the bread.

[0180] When the bottom of the bread is heated, steam is generated. To allow this steam to escape, the top of the bread is toasted a little longer than the bottom, allowing both sides of the bread to be toasted evenly.

[0181] In the fourth embodiment, the grill pan 10 corresponds to the first grill pan, and the lid grill pan 50 corresponds to the second grill pan.

[0182] In the fourth embodiment, the lid grill pan 50 has the same shape and dimensions as the grill pan 10. However, the present disclosure is not limited thereto. For example, the depth of the lid grill pan 50 may be shallower than the depth of the grill pan 10. When the object to be heated 20 is placed in the space between the two grill pans so that both sides of the object to be heated 20 are in contact with the two grill pans, respectively, both sides can be browned.

[0183] The depth of the lid grill pan 50 may be greater than the depth of the grill pan 10. In this case, a thick object to be heated 20 can be accommodated in the space between the two grill pans.

[0184] In the fourth embodiment, the lid grill pan 50 includes the heating element 50a. However, the present disclosure is not limited to this. The lid grill pan 50 does not have to include the heating element 50a. In this case, the upper and lower portions of the object to be heated 20 can be heated differently.

[0185] The high frequency heating cooker 1C may further include the input unit 35 of the second embodiment. In this configuration, the control unit 5 changes the direction of radiating microwaves in accordance with cooking information input by the user. In this case, it is not necessary to detect the temperature of the object 20 to be heated.

[0186] For example, when cooking chicken with the skin on, the user selects "chicken with skin" displayed on the touch panel that is the input unit 35. The user places the chicken on the grill pan 10 so that the skin side is in contact with the grill pan 10.

[0187] The control unit 5 causes the rotating antenna 4a to radiate microwaves in direction A, causing the grill pan 10 to heat up. This heat grills the chicken skin. Once the skin is cooked, the control unit 5 causes the rotating antenna 4a to radiate microwaves in direction B, causing the lid grill pan 50 to heat up. This heat grills the skinless side of the chicken. In this way, the high frequency cooking device 1C can properly grill the surface and center of the chicken. [Industrial Applicability]

[0188] The technology of the present disclosure is useful in microwave ovens and the like. [Explanation of symbols]

[0189] 1, 1A, 1B, 1C high frequency heating cooker 2 Heating chamber 2a Top 2b Bottom side 2c, 2d, 2e, 2f side 3. Microwave generator 4 Radiation section 4a Rotating antenna 4b Motor 5. Control section 6 Temperature detection unit 7 Waveguide 10 Grill Plate 10a, 50a heating element 12 Support legs 13 Uneven part 20 Heating object 22 frames 35 Input section 43 First Microwave Generator 44 First Radiation Section 47 First Waveguide 50 Grill Plate for Lid 53 Second microwave generator 54 Second Radiation Section 57 Second Waveguide

Claims

1. a heating chamber having a top surface, a bottom surface, and a plurality of side surfaces; one or more microwave generators configured to generate one or more microwaves; a grill tray that can be placed with an object to be heated and can be accommodated in the heating chamber, and that is configured to absorb microwaves and generate heat; One or more radiating units configured to radiate the one or more microwaves from above the top surface or from the bottom surface; a controller configured to control the one or more microwave generators; When the interior of the heating chamber accommodating the grill pan is viewed from the top surface, the grill pan divides the interior of the heating chamber into at least a first area occupied by the grill pan and a second area not occupied by the grill pan, In a high frequency heating cooker, the control unit is configured to radiate microwaves by setting the radiation direction of the one or more radiating units to any of a plurality of directions including a direction toward the first area and a direction toward the second area, or to radiate microwaves by rotating the one or more radiating units to any of a plurality of directions including a direction toward the first area and a direction toward the second area, A high frequency heating cooker, wherein the grill pan has an area that is equal to or greater than 1 / 4 and equal to or less than 2 / 3 of the area of ​​the lower surface.

2. 2. The high frequency heating cooker according to claim 1, wherein when the interior of the heating chamber accommodating the grill pan is viewed from the top surface, a gap is formed between the grill pan and at least one of the plurality of side surfaces, separate from the second region, and the second region is larger than the gap.

3. 3. The high frequency heating cooker according to claim 2, wherein the grill pan is disposed so that a center of the grill pan is positioned closer to the at least one side surface of the plurality of side surfaces than a center of the lower surface of the heating chamber.

4. 4. The high frequency cooking device according to claim 1, wherein the grill pan includes a heating element disposed on a surface opposite to a surface configured to place the object to be heated.

5. The high frequency cooking appliance according to claim 1 , wherein each of the one or more radiating units includes a rotating antenna.

6. A heating chamber having a top surface, a bottom surface, and a plurality of side surfaces; one or more microwave generators configured to generate one or more microwaves; a grill tray that can be placed with an object to be heated and can be accommodated in the heating chamber, and that is configured to absorb microwaves and generate heat; One or more radiating units configured to radiate the one or more microwaves from above the top surface or from the bottom surface; a controller configured to control the one or more microwave generators; When the interior of the heating chamber accommodating the grill pan is viewed from the top surface, the grill pan divides the interior of the heating chamber into at least a first area occupied by the grill pan and a second area not occupied by the grill pan, In a high frequency heating cooker, the control unit is configured to set the radiation direction of the one or more microwaves to any one of a plurality of directions including a direction toward the first area and a direction toward the second area, The one or more radiating portions include: a first radiating portion disposed below or above the first region and configured to radiate the microwave in a direction toward the first region; a second radiating portion disposed below or above the second region and configured to radiate in a direction toward the second region; A high frequency heating cooker having the above.

7. Further comprising a temperature detection unit configured to detect the temperature of the object to be heated, The high frequency heating cooker according to any one of claims 1 to 6, wherein the control unit is configured to set the radiation direction of the one or more microwaves based on the temperature detected by the temperature detection unit.

8. further comprising an input unit configured to input cooking information; The high frequency heating cooker according to any one of claims 1 to 6, wherein the control unit is configured to set the radiation direction of the one or more microwaves based on the cooking information.

9. The high frequency heating cooker according to any one of claims 1 to 8, wherein the lower surface has markings for positioning the grill pan in the heating chamber.

10. The high frequency cooking device according to any one of claims 1 to 9, further comprising a frame configured to position the grill pan in the heating chamber.

11. The high frequency cooking device according to any one of claims 1 to 9, further comprising support legs configured to position the grill pan in the heating chamber.

12. The high frequency heating cooker according to claim 11, further comprising an uneven portion on a lower surface of the heating chamber, the uneven portion being configured to fix the support legs.

13. The high frequency heating cooker according to any one of claims 1 to 12, further comprising a heater arranged on the top surface and configured to heat the object to be heated.

14. the grill pan is a first grill pan; The high frequency cooking device can be housed in the heating chamber and generates heat by absorbing microwaves. a second grill pan configured to The high frequency heating cooker according to any one of claims 1 to 13, wherein the second grill pan is configured to be placed on top of the first grill pan.

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