JP6556026B2 - Induction heating cooker - Google Patents

Description

  The present invention relates to an induction heating cooker including a grill unit having a heating coil.

  In a conventional induction heating cooker, a high frequency current is supplied to a heating coil to generate a high frequency magnetic field, an eddy current is generated at the bottom of the cooking container, the cooking container is heated by Joule heat, fish in the cooking container, etc. There is a thing provided with the grill unit which cooks the cooking thing of this (for example, refer to patent documents 1).

JP 2014-127305 A

  In the induction heating cooker described above, the inverter board is arranged outside the grill unit so that the inverter board that supplies the high-frequency current to the heating coil is not affected by the high-frequency magnetic field generated in the heating coil in response to the high-frequency current. ing. For this reason, the conductive wire that electrically connects the heating coil and the inverter board becomes long, and the wiring work of the conductive wire is troublesome.

  The present invention has been made to solve the above-described problems, and provides an induction heating cooker that can suppress the influence of a high-frequency magnetic field on the inverter board even if an inverter board is provided around the heating coil. The purpose is to do.

An induction heating cooker according to the present invention includes an induction heating cooker having a heating chamber having a bottom plate on which a cooking container is placed, and a grill unit provided with a component storage chamber in which a heating coil is arranged below the bottom plate. The grill unit includes an inverter board for supplying a high frequency current to the heating coil through a conductive wire electrically connected to the heating coil, and a magnetic shield disposed under the heating coil. The inverter board is installed in the center of the component storage chamber, the heating coils are respectively arranged in front and rear of the inverter board when the grill unit is viewed from the front, and the magnetic shields are provided in the heating coils. And a partition plate is provided between the heating coil and the inverter board.

  According to the present invention, since the magnetic shield is provided under the heating coil so as to suppress the leakage magnetic field of the high frequency magnetic field generated in the heating coil in response to the high frequency current, the component storage chamber in which the heating coil is disposed is provided. An inverter board can be installed in For this reason, the conductive wire electrically connected to the heating coil can be shortened, the wiring work of the conductive wire is facilitated, and the assembly of the induction heating cooker can be improved.

It is a perspective view which shows the induction heating cooking appliance which concerns on Embodiment 1 of this invention. It is a longitudinal cross-sectional view which shows the grill unit of the induction heating cooking appliance which concerns on Embodiment 1 of this invention. It is a longitudinal cross-sectional view which shows the grill unit of the induction heating cooking appliance which concerns on Embodiment 2 of this invention. It is a longitudinal cross-sectional view which shows the grill unit of the induction heating cooking appliance which concerns on Embodiment 3 of this invention. It is a longitudinal cross-sectional view which shows the grill unit of the induction heating cooking appliance which concerns on Embodiment 4 of this invention. It is a longitudinal cross-sectional view which shows the grill unit of the induction heating cooking appliance concerning Embodiment 5 of this invention.

DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments of an induction heating cooker according to the present invention will be described with reference to the drawings. In the respective drawings, the same portions or corresponding portions are denoted by the same reference numerals.
Embodiment 1 FIG.
FIG. 1 is a perspective view showing an induction heating cooker according to Embodiment 1 of the present invention.
The induction heating cooker 100 according to the first embodiment includes a top plate 2 provided at the top of the housing 1, three heating coils disposed in the housing 1, an upper surface operation unit 6, a front operation unit 8, A grill unit 20 or the like installed adjacent to the front operation unit 8 is provided in the housing 1. The top plate 2 includes a non-magnetic crystallized glass plate 3 formed in a quadrilateral shape, and a stainless frame 4 fixed to the front, rear, left and right peripheral portions of the crystallized glass plate 3 with a silicon-based adhesive or the like. It consists of

  On the crystallized glass plate 3 of the top plate 2, a left heating unit 5a, a right heating unit 5b, and a central heating unit 5c indicating the mounting position of a pan or the like are displayed by printing or the like. Three heating coils, that is, a left heating coil, a right heating coil, and a central heating coil are arranged directly below the left heating unit 5a, the right heating unit 5b, and the central heating unit 5c. In addition, in this Embodiment 1, although the induction heating cooking appliance 100 provided with the three heating coils was demonstrated, it is not limited to this. For example, instead of the central heating coil disposed under the central heating unit 5c, a radiation type radial heater may be used. Further, although three heating coils are provided, two or four heating coils may be used.

  In addition, display windows 7a, 7b, and 7c are provided in front of the crystallized glass plate 3 corresponding to the left heating unit 5a, the right heating unit 5b, and the central heating unit 5c, respectively. A liquid crystal display unit is disposed directly below the display windows 7a, 7b, and 7c. The liquid crystal display unit is configured by, for example, an LCD or an organic electroluminescence (EL) element.

  The upper surface operation unit 6 is provided on the frame 4 on the front side of the top plate 2, and includes a heating power selection switch and a cooking menu for selecting the heating power of the left heating unit 5a, the right heating unit 5b, the central heating unit 5c, and the grill unit 20, respectively. A menu selection switch for selecting, a time setting switch for setting cooking time, and the like are provided. These switches are composed of, for example, electrostatic capacitance type touch switches. The frame 4 on the rear side of the top plate 2 is provided with an intake port 9 and an exhaust port 10.

  The front operation unit 8 is provided on the front surface of the housing 1. The front operation unit 8 includes a power switch 8a for turning on / off the induction heating cooker 100, a heating power adjustment dial 8b, 8c for finely adjusting the heating power of the left heating unit 5a, the right heating unit 5b, and the central heating unit 5c, respectively. 8d, a dial-type cutting timer 8e for setting heating times of the left heating unit 5a, the right heating unit 5b, and the central heating unit 5c is provided. An opening 11 of the grill unit 20 is provided on the front surface of the housing 1. The opening 11 is opened and closed by a grill door 21.

Next, the configuration of the grill unit 20 will be described with reference to FIG.
FIG. 2 is a longitudinal sectional view showing the grill unit of the induction heating cooker according to Embodiment 1 of the present invention.
The grill unit 20 includes the grill door 21, the grill body 22, and a cooking vessel 23 formed of a magnetic material. The grill door 21 includes a viewing window 21 a formed of heat-resistant glass (see FIG. 1), a handle portion 21 b that projects toward the front lower end portion of the grill door 21, and a lower end portion on the rear surface of the grill door 21. And a slide rail 21c for moving the grill door 21 in the front-rear direction (see FIG. 1). The aforementioned cooking container 23 is formed in a box shape having an open top, and a hooking portion 23a is provided on one of the four side walls on the short side. The hook portion 23 a is hooked on a hook receiving portion 21 d provided on the back surface of the grill door 21. Thereby, the cooking container 23 is fixed to the grill door 21, and the cooking container 23 can be pulled out from the inside of the heating chamber 24e at the same time by pulling the grill door 21 forward.

  The grill main body 22 is formed of a sheet metal casing 24, and includes a heater 25, a heating coil 27, a magnetic shield 29, and an inverter board 30 in the casing 24. Of the front surface facing the grill door 21, the upper half of the housing 24 is opened as a grill opening 24a, and the lower half is closed by the front surface 24b. The grill opening 24a is formed in a rectangular shape that is long in the left-right direction when the grill unit 20 is viewed from the front. A first exhaust duct 24 d extending to the exhaust port 10 of the induction heating cooker 100 is provided on the upper portion of the back surface portion 24 c of the housing 24.

  The casing 24 includes a heating chamber 24e having a bottom plate 26 on which the cooking vessel 23 is placed, and a component storage chamber including a heating coil 27, a magnetic shield 29, and an inverter board 30 below the bottom plate 26. 24f. The bottom plate 26 is formed of, for example, a crystallized glass plate, and the upper surface thereof and the bottom side of the grill opening 24a are on the same plane.

  A heater 25 is disposed above the heating chamber 24e. The heater 25 is composed of a sheathed heater or a halogen heater, and generates heat due to a current from a heater energization circuit (not shown) provided in the induction heating cooker 100. A heating coil 27 is disposed under the bottom plate 26 that forms the upper surface of the component storage chamber 24f. The heating coil 27 is installed in the magnetic shield 29 while being supported on the coil support portion 28. The coil support portion 28 is formed in a disk shape from a heat-resistant resin. The magnetic shield 29 is made of, for example, a nonmagnetic material such as aluminum, and includes a circular bottom 29a and a side wall 29b provided in the circumferential direction on the outer periphery of the bottom 29a.

  The inverter substrate 30 is installed at a position directly below the center of the magnetic shield 29 in the bottom surface portion 24 g of the housing 24, and is electrically connected to the heating coil 27 with a conductive wire 31. The inverter board 30 is configured with, for example, an IGBT (Insulated Gate Bipolar Transistor), and is provided with an inverter circuit that supplies a high-frequency current to the heating coil 27, and a radiation fin 32 that radiates heat generated during the operation of the inverter circuit. ing.

  In the grill unit 20 of the induction heating cooker 100 configured as described above, when cooking fish as a cooked food, first, the grill door 21 is pulled forward to open the grill opening 24a of the heating chamber 24e, and the fish The entered cooking container 23 is placed on the bottom plate 26 of the heating chamber 24e, and the grill door 21 is pushed toward the grill opening 24a to close the grill opening 24a. Then, for example, when the user selects “cooking” that is a cooking menu on the upper surface operation unit 6 and selects a thermal power, a current is supplied from the energizing circuit to the heater 25 according to the selected thermal power, and the inverter board A high frequency current is supplied from 30 through the conductive wire 31 to the heating coil 27.

  The heater 25 generates heat according to the input current, and heats the fish in the cooking container 23 from the surface. On the other hand, the heating coil 27 generates a high-frequency magnetic field in response to the high-frequency current, generates an eddy current at the bottom of the cooking container 23 to heat the cooking container 23 by Joule heat, and heats the back surface of the fish in the cooking container 23. . At this time, a leakage magnetic field directed downward among the high-frequency magnetic field generated in the heating coil 27 is shielded by the magnetic shield 29 covering the lower side of the heating coil 27.

  As described above, according to the first embodiment, the magnetic shield 29 is disposed under the heating coil 27 so as to suppress the leakage magnetic field of the high-frequency magnetic field generated in the heating coil 27 according to the high-frequency current. Therefore, the inverter board 30 can be installed in the component storage chamber 24f in which the heating coil 27 is disposed. For this reason, compared with the case where the inverter board | substrate 30 is arrange | positioned on the outer side of the grill unit 20, the conductive wire 31 connected with the heating coil 27 can be shortened, the wiring work of the conductive wire 31 becomes easy, and the induction heating cooking appliance 100 is obtained. Assembling property can be improved.

Embodiment 2. FIG.
In the second embodiment, the heating coil 27 and the inverter board 30 are disposed adjacent to each other in the component storage chamber 24f, the magnetic shield 29 is disposed under the heating coil 27, and the heating coil 27 and the inverter board are further disposed. 30 is provided with a partition plate, which will be described below with reference to FIG.
FIG. 3 is a longitudinal sectional view showing a grill unit of an induction heating cooker according to Embodiment 2 of the present invention. In addition, the same code | symbol is attached | subjected to the same part as Embodiment 1, or an equivalent part.

  In the second embodiment, as shown in FIG. 3, the heating coil 27 is arranged on the grill door 21 in the component storage chamber 24f, and the inverter board 30 is installed on the heel side in the component storage chamber 24f. By disposing the heating coil 27 on the grill door 21 side, the temperature difference between the heating chamber 24e on the grill door 21 side and the heating chamber 24e on the bowl side during cooking is suppressed. That is, since the grill door 21 is in contact with the outside air, the temperature in the heating chamber 24e on the grill door 21 side is lower than the back side in the heating chamber 24e, and this temperature difference is suppressed.

  A partition wall plate 33 is provided between the heating coil 27 and the inverter substrate 30. The partition plate 33 is formed of a nonmagnetic material such as aluminum, for example, and separates the front and rear of the component storage chamber 24f when the grill unit 20 is viewed from the front. The heating coil 27 is installed in the magnetic shield 29 while being supported on the coil support portion 28. The inverter board 30 is installed on the bottom surface portion 24 g of the housing 24, and a conductive wire 31 connected to the heating coil 27 is connected through the partition plate 33.

As described above, according to the second embodiment, the heating coil 27 is arranged on the grill door 21 side in the component storage chamber 24f, the magnetic shield 29 is installed under the heating coil 27, and the component storage chamber 24f. A partition plate 33 that separates from the heel side is provided inside. With this configuration, the leakage magnetic field of the high-frequency magnetic field generated in the heating coil 27 according to the high-frequency current can be suppressed by the magnetic shield 29 and the partition plate 33. The inverter board 30 can be installed adjacently.
Thereby, in addition to the effect that the conductive wire 31 connected to the heating coil 27 can be shortened, the wiring work of the conductive wire 31 becomes easy, and the assembly of the induction heating cooker 100 can be improved. The height H of the component storage chamber 24f can be made lower than that of the component storage chamber 24f of the grill unit 20 of the first embodiment.
Moreover, since the heating coil 27 is disposed on the grill door 21 side in the component storage chamber 24f, the temperature distribution in the heating chamber 24e can be improved.
Furthermore, since the partition plate 33 is provided between the heating coil 27 and the inverter substrate 30, the magnetic shielding effect is further improved as compared with the first embodiment.

Embodiment 3 FIG.
In the third embodiment, the heating coil 27 is disposed in front of and behind the inverter board 30 when the grill unit 20 is viewed from the front, the magnetic shields 29 are respectively installed under the respective heating coils 27, and the heating coil 27 and the inverter board 30 are provided with a partition plate 33, which will be described below with reference to FIG.
FIG. 4 is a longitudinal sectional view showing a grill unit of the induction heating cooker according to Embodiment 3 of the present invention. In addition, the same code | symbol is attached | subjected similarly to Embodiment 1, 2 or an equivalent part.

  In the third embodiment, as shown in FIG. 4, the inverter board 30 is installed in the center of the component storage chamber 24 f, and the heating coil 27 is arranged before and after the inverter board 30 when the grill unit 20 is viewed from the front. Each is arranged. Moreover, the heating arrange | positioned between the heating coil 27 arrange | positioned in the position by the side of the grille door 21 in the component storage chamber 24f and the inverter board | substrate 30, and the position of the inverter board 30 and the side of the side in the component storage chamber 24f is carried out. Partition plates 33 are provided between the coils 27. As described above, the partition plate 33 is made of aluminum.

  The two heating coils 27 are installed in the magnetic shield 29 while being supported on the coil support 28. The inverter board 30 is installed on the bottom surface part 24 g of the housing 24, and the conductive wires 31 from the two heating coils 27 are connected through the respective partition plates 33. That is, on the inverter board 30, an inverter circuit composed of IGBT is mounted corresponding to the two heating coils 27. In addition, two radiating fins 32 for radiating heat generated during operation of the inverter circuit are mounted on the inverter board 30. Note that the two inverter circuits may be cooled by one radiating fin 32.

As described above, according to the third embodiment, the heating coils 27 are disposed at the grill door 21 side and the heel side positions in the component storage chamber 24f, and the magnetic shield 29 is installed under the heating coil 27. Further, partition plates 33 are provided in the component storage chamber 24f so as to face each other. With this configuration, the leakage magnetic field of the high-frequency magnetic field generated in the heating coil 27 according to the high-frequency current can be suppressed by the magnetic shield 29 and the partition plate 33, so that the inverter is interposed between the partition plates 33 in the component storage chamber 24f. A substrate 30 can be installed.
Thereby, in addition to the effect that the conductive wire 31 connected with each heating coil 27 can be shortened, the wiring work of the conductive wire 31 becomes easy, and the assembly property of the induction heating cooking appliance 100 can be improved. The height H of the component storage chamber 24f can be made lower than that of the component storage chamber 24f of the grill unit 20 of the first embodiment.
Further, since the two heating coils 27 are arranged, the heating power of one heating coil 27 can be made higher or lower than the heating power of the other heating coil 27. Thereby, the control range of the induction heating of the cooking vessel 23 can be set wider than in the first and second embodiments.
Furthermore, since the partition plate 33 is provided between the heating coil 27 and the inverter substrate 30, the magnetic shielding effect is further improved as compared with the first embodiment.

Embodiment 4 FIG.
The fourth embodiment includes a fan unit that sucks outside air and blows air into the component storage chamber 24f, and will be described below with reference to FIG.
FIG. 5 is a longitudinal sectional view showing a grill unit of an induction heating cooker according to Embodiment 4 of the present invention. In addition, the same code | symbol is attached | subjected to the same part as Embodiment 1, or an equivalent part.

  In the fourth embodiment, as shown in FIG. 5, a fan unit 40 is provided at a position on the grill door 21 side in the component storage chamber 24f. The heating coil 27 is disposed between the fan unit 40 and the back portion 24c of the component storage chamber 24f. As in the first, second, and third embodiments, the heating coil 27 is installed in the magnetic shield 29 while being supported on the coil support portion 28. The inverter board 30 is installed on the bottom surface portion 24g of the component storage chamber 24f and immediately below the magnetic shield 29, and is electrically connected to the heating coil 27 with a conductive wire 31.

  The aforementioned fan unit 40 includes a cooling fan 41 disposed in the component storage chamber 24f, and an intake duct 42 connected to the intake side of the cooling fan 41. The intake duct 42 passes through the bottom surface 24g of the component storage chamber 24f and is installed at the bottom of the casing 1 of the induction heating cooker 100.

  A plurality of intake holes 1 a are provided at positions at the bottom of the housing 1 that are covered by the intake duct 42. Further, a cooling air discharge port 24h is provided at a position on the component storage chamber 24f side in the back surface portion 24c of the casing 24 of the grill main body 22. The cooling air discharge port 24 h communicates with the exhaust port 10 of the induction heating cooker 100 through an air passage 1 b provided in the casing 1 of the induction heating cooker 100.

  For example, the cooling fan 41 is driven when a high-frequency current is supplied to the heating coil 27, and stops driving after a certain period of time after the supply of the high-frequency current to the heating coil 27 is stopped. When the cooling fan 41 is driven, outside air is sucked into the intake duct 42 through the plurality of intake holes 1a and is blown into the component storage chamber 24f as cooling air to cool the heating coil 27 and the inverter board 30. The air is discharged from the cooling air outlet 24h. The cooling air discharged from the cooling air discharge port 24h is discharged to the outside from the exhaust port 10 of the induction heating cooker 100 through the air passage 1b.

As described above, according to the fourth embodiment, the fan unit 40 is provided in the component storage chamber 24f, and the heating coil 27 and the inverter board 30 are disposed between the fan unit 40 and the back surface portion 24c of the component storage chamber 24f. doing. With this configuration, since the cooling air can be sent from the cooling fan 41 to the heating coil 27 and the inverter board 30, the cooling of the inverter board 30 by the radiating fins 32 can be further enhanced, and the heating coil 27 can also be cooled. it can.
In addition, since the magnetic shield 29 is disposed under the heating coil 27 so as to suppress the leakage magnetic field of the high frequency magnetic field generated in the heating coil 27 in response to the high frequency current, the component housing in which the heating coil 27 is disposed is accommodated. The inverter board 30 can be installed in the chamber 24f. For this reason, like Embodiment 1, the conductive wire 31 connected to the heating coil 27 can be shortened, the wiring work of the conductive wire 31 becomes easy, and the assembly property of the induction heating cooking appliance 100 is improved. Can do.

Embodiment 5 FIG.
In the fifth embodiment, the component storage chamber 24f and the first exhaust duct 24d are connected, and the air blown from the fan unit 40 flowing out of the component storage chamber 24f is sent into the first exhaust duct 24d to be heated. This is provided with a second exhaust duct for attracting hot air inside, and will be described below with reference to FIG.
FIG. 6 is a longitudinal sectional view showing a grill unit of an induction heating cooker according to Embodiment 5 of the present invention. In addition, the same code | symbol is attached | subjected to the same part as Embodiment 4, or an equivalent part.

  In the fifth embodiment, as shown in FIG. 6, the second exhaust duct 24d provided on the back surface portion 24c of the heating chamber 24e communicates with the cooling air discharge port 24h of the component storage chamber 24f. An exhaust duct 24j is connected. A plurality of through holes 24i are provided in an inclined portion connected to the second exhaust duct 24j of the first exhaust duct 24d. The second exhaust duct 24j is composed of a back surface portion 24c of the heating chamber 24e and the inclined portion.

  The heating coil 27 is disposed between the fan unit 40 and the back portion 24c of the component storage chamber 24f. As in the fourth embodiment, the heating coil 27 is installed in the magnetic shield 29 while being supported on the coil support portion 28. The inverter board 30 is installed on the bottom surface portion 24g of the component storage chamber 24f and immediately below the magnetic shield 29, and a conductive wire 31 connected to the heating coil 27 is connected thereto.

  As in the fourth embodiment, the fan unit 40 includes a cooling fan 41 disposed in the component storage chamber 24f and an intake duct 42 connected to the intake side of the cooling fan 41. The intake duct 42 passes through the bottom surface 24g of the component storage chamber 24f and is installed at the bottom of the casing 1 of the induction heating cooker 100.

  A plurality of intake holes 1 a are provided at positions at the bottom of the housing 1 that are covered by the intake duct 42. Further, a cooling air discharge port 24h is provided at a position on the component storage chamber 24f side in the back surface portion 24c of the casing 24 of the grill main body 22. The cooling air discharge port 24h communicates with the exhaust port 10 of the induction heating cooker 100 through the second exhaust duct 24j, the plurality of through holes 24i, and the first exhaust duct 24d.

  As in the fourth embodiment, the cooling fan 41 is driven when a high frequency current is supplied to the heating coil 27, and stops driving after a certain period of time after the supply of the high frequency current to the heating coil 27 is stopped. When the cooling fan 41 is driven, outside air is sucked from the intake duct 42 and is blown into the component storage chamber 24f as cooling air to cool the heating coil 27 and the inverter board 30 and is discharged from the cooling air outlet 24h. The The cooling air discharged from the cooling air discharge port 24h flows into the first exhaust duct 24d through the second exhaust duct 24j and the plurality of through holes 24i, and is externally supplied from the exhaust port 10 of the induction heating cooker 100. Is discharged. When the cooling air flows into the first exhaust duct 24d, the hot air in the heating chamber 24e is attracted by the cooling air and is discharged to the outside together with the cooling air from the exhaust port 10.

As described above, according to the fifth embodiment, the plurality of through holes 24i of the first exhaust duct 24d provided in the back surface portion 24c of the heating chamber 24e communicate with the cooling air discharge port 24h of the component storage chamber 24f. The second exhaust duct 24j is connected. With this configuration, hot air in the heating chamber 24e can be attracted by the cooling air flowing into the first exhaust duct 24d from the plurality of through holes 24i and discharged to the outside. For this reason, while being able to cool the heating coil 27 and the inverter board | substrate 30 more efficiently, the temperature rise in the heating chamber 24e can be suppressed.
In addition, since the magnetic shield 29 is disposed under the heating coil 27 so as to suppress the leakage magnetic field of the high frequency magnetic field generated in the heating coil 27 in response to the high frequency current, the component housing in which the heating coil 27 is disposed is accommodated. The inverter board 30 can be installed in the chamber 24f. For this reason, like Embodiment 1, the conductive wire 31 connected to the heating coil 27 can be shortened, the wiring work of the conductive wire 31 becomes easy, and the assembly property of the induction heating cooking appliance 100 is improved. Can do.

  DESCRIPTION OF SYMBOLS 1 Case, 1a Intake hole, 1b Air path, 2 Top plate, 3 Crystallized glass plate, 4 Frame, 5a Left heating part, 5b Right heating part, 5c Center heating part, 6 Upper surface operation part, 7a, 7b, 7c Display window, 8 Front operation section, 8a Power switch, 8b, 8c, 8d Thermal power adjustment dial, 8e Dial-type timer, 9 Inlet, 10 Exhaust, 11 Opening, 20 Grill unit, 21 Grill door, 21a Window, 21b Handle portion, 21c Slide rail, 21d Hook receiving portion, 22 Grill body, 23 Cooking container, 23a Hook portion, 24 Case, 24a Grill opening, 24b Front portion, 24c Back portion, 24d First Exhaust duct, 24e heating chamber, 24f parts storage chamber, 24g bottom surface portion, 24h cooling air discharge port, 24i through hole, 24j second exhaust duct 25 Heater, 26 Bottom plate, 27 Heating coil, 28 Coil support, 29 Magnetic shield, 29a Bottom, 29b Side wall, 30 Inverter board, 31 Conductor wire, 32 Radiation fin, 33 Bulkhead plate, 40 Fan unit, 41 Cooling fan , 42 Intake duct, 100 induction heating cooker.

Claims (7)

In an induction heating cooker having a heating unit having a bottom plate on which a cooking container is placed, and a grill unit provided with a component storage chamber in which a heating coil is arranged under the bottom plate,
The grill unit includes an inverter board that supplies a high-frequency current to the heating coil through a conductive wire electrically connected to the heating coil, and a magnetic shield disposed under the heating coil in the component storage chamber. ,
The inverter board is installed in the center of the component storage chamber,
The heating coils are respectively disposed on the front and rear of the inverter board when the grill unit is viewed from the front.
The magnetic shield is installed under each heating coil,
An induction heating cooker, wherein a partition plate is provided between the heating coil and the inverter board .   The induction heating cooker according to claim 1, wherein the inverter board is installed below the magnetic shield.   The induction heating cooker according to claim 1, wherein the heating coil and the inverter board are arranged adjacent to each other, and the magnetic shield is disposed under the heating coil. The grill unit has a grill door that opens and closes the heating chamber,
The induction heating cooker according to claim 3, wherein the heating coil is disposed at a position closer to the grill door than a center in the component storage chamber.   The induction heating cooker according to claim 3 or 4, wherein a partition plate is provided between the heating coil and the inverter board arranged adjacent to each other.   The induction heating cooker according to claim 1 or 2, further comprising a fan unit that is installed in the component storage chamber and sucks outside air to blow into the component storage chamber. A first exhaust duct communicating with the heating chamber;
The component storage chamber and the first exhaust duct are connected to each other, and air from the fan unit flowing out from the component storage chamber is sent into the first exhaust duct to induce hot air in the heating chamber. An induction heating cooker according to claim 6, further comprising an exhaust duct.

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