JP5143090B2 - Induction heating cooker - Google Patents

Description

  The present invention relates to an induction heating cooker that heats a cooking container by electromagnetic induction.

  A conventional induction heating cooker is provided with an operation part at the front upper surface of the top plate of the cooker body, and a number of switches for adjusting the operation on / off and heating output, and the operation state and heating output are provided on this operation part. The display part to display is arranged (for example, refer patent document 1).

Japanese Patent Laying-Open No. 2006-228585 (FIGS. 1 and 2)

  However, in the induction heating cooker in which the operation unit is arranged in front of the top surface of the top plate in this way, when the cooking container is placed on the top plate, the operation unit is hidden by the cooking container, and the switch is operated. There is a problem that it is difficult to see and the display part cannot be seen.

  Such a problem can be solved by, for example, configuring the cooker body and the operation unit to be separable so that a sufficient cooking space on the top plate can be secured. However, when the cooker body and the operation unit are configured to be separable as described above, remote operation is fundamental. In actual cooking, in order to perform reliable and safe cooking, a cooking method in which the heating power is adjusted on the spot while checking the heating state is common. As described above, if the cooker main body and the operation unit are separated from each other, the heating power cannot be adjusted on the spot while checking the heating state, so that a deviation occurs sensibly and cooking becomes difficult.

  The technical problem of the present invention is to improve the usability while securing the cooking space on the top plate by configuring the cooker body and the operation part to be separable.

Induction heating cooker according to the present invention includes a main body in which a plurality of heating coils to inductively heat at least the cooking vessel is provided, arranged to the heating coil and opposed to an upper surface of said body, each of said heating coil operation with a top plate having a corresponding plurality of coverage areas, and a control unit for controlling the heating output of the heating coil provided in the body, the communication means for transmitting and receiving control signals to and from the control unit and a body, the operating body is made is configured to be capable of transmitting and receiving control signals when placed on the communicable area.

In the induction heating cooker according to the present invention, a compact operating body is provided that is separated from the cooker body, and the arrangement is not fixed on the top plate , and the operating body is placed in the communicable area of the top plate. Since communication is possible only when there is a cooking space, a sufficient cooking space on the top plate can be secured.

It is a perspective view which shows the external appearance of the induction heating cooking appliance which concerns on Embodiment 1 of this invention. It is a block diagram which shows the internal structure of the induction heating cooking appliance which concerns on Embodiment 1 of this invention. It is the perspective view and top view of the top plate mounting state which show the external appearance of the operation body of the induction heating cooking appliance which concerns on Embodiment 1 of this invention. It is a perspective view which shows the transmission / reception part in the operation body of the induction heating cooking appliance which concerns on Embodiment 1 of this invention from the downward direction. It is a top view which shows the operation possible area | region by the operation body of the induction heating cooking appliance which concerns on Embodiment 1 of this invention. It is a top view which shows the state which put the operating body in the operation possible area | region of the induction heating cooking appliance which concerns on Embodiment 1 of this invention. It is explanatory drawing which shows the example of simultaneous operation pattern of the several heating coil by the operating body of the induction heating cooking appliance which concerns on Embodiment 1 of this invention. It is a top view which shows the state which put the operating body in the operation possible area | region of the induction heating cooking appliance which concerns on Embodiment 2 of this invention. It is an internal block diagram of the operation body of the induction heating cooking appliance which concerns on Embodiment 3 of this invention. It is a perspective view which shows the external appearance of the operation body of the induction heating cooking appliance which concerns on Embodiment 4 of this invention from the downward direction. It is a perspective view which shows the external appearance of the induction heating cooking appliance which concerns on Embodiment 5 of this invention. It is a perspective view which shows the transmission / reception part in the operation body of the induction heating cooking appliance concerning Embodiment 5 of this invention from the downward direction.

Embodiment 1 FIG.
The present invention will be described below with reference to illustrated embodiments.
1 is a perspective view showing an appearance of an induction heating cooker according to Embodiment 1 of the present invention, FIG. 2 is a block diagram showing an internal configuration thereof, and FIG. 3 is a top plate mounting state showing an appearance of an operating body. FIG. 4 is a perspective view showing a transmission / reception unit of the operating body from below, FIG. 5 is a plan view showing an operable area by the operating body, and FIG. 6 is an operating body placed in the operable area. FIG. 7 is an explanatory view showing an example of a simultaneous operation pattern of a plurality of heating coils by the operating body.

  The induction heating cooker of this embodiment includes a box-shaped main body 1 as shown in FIG. 1 and a top plate 2 made of heat-resistant glass for placing a cooking container (not shown) disposed on the upper surface of the main body 1. A plurality of heating coils 14a to 14c including an induction heating coil disposed under the top plate 2 and a cylinder provided separately from the main body 1 and movably placed on the upper surface of the top plate 2 And an operation body 3 having a shape.

  More specifically, as shown in FIGS. 1 and 2, the main body 1 has a power source 11 that supplies power to each part of the main body, a control unit 12 that controls the entire cooking device, and the control of the control unit 12. An interface for transmitting and receiving control signals and position information between the operating body 3 and the high-frequency power generators 13a to 13c for applying the high-frequency current generated in this manner to the first to third heating coils 14a to 14c, that is, the transmitter / receiver 15 And. In addition, the 1st thru | or 3rd heating coils 14a-14c are each installed in the left-right and rear center in the main body 1, and the function which carries out induction heating of the cooking container (not shown) mounted on the top plate 2 Have

  On the upper surface of the top plate 2, predetermined means corresponding to the first to third heating coils 14 a to 14 c are provided as means for detecting the position of the operating body 3 and transmitting and receiving control signals to and from the main body 1. A metal coating, i.e., a conductive portion 21, patterned in this area is provided. For example, as shown in FIG. 5, a conductive portion 21 patterned in a band-like region with a predetermined width is provided on the upper surface on the front side of the top plate 2, and the patterned conductive portion 21 is divided into left and right at the center. The left side is a first conductive portion 21a patterned for the first heating coil 14a, the right side is a second conductive portion 21b patterned for the second heating coil 14b, and a boundary portion thereof A third conductive portion 21c patterned with a predetermined width is provided for the third heating coil 14c so as to straddle. And these 1st thru | or 3rd electroconductive parts 21a-21c are connected with the control part 12, respectively, function as the transmission / reception part 15 corresponding to the 1st thru | or 3rd heating coils 14a-14c, and the operation body 3 is installed. A settable heating coil is determined depending on the position.

  On the other hand, the operation body 3 includes an input / output unit 32 as shown in FIGS. 2 to 4, a display output unit 33 and an input unit 34 having a touch-type operation panel on the screen, and a thermal power display unit that displays the thermal power at the present time. 6 on the bottom surface, a plurality of contact pieces 40 that can be simultaneously contacted with the display unit 4 provided with 6, the operation unit 5 provided with a dial-type thermal power adjusting unit 36, and the first to third conductive units 21 a to 21 c. And an interface for transmitting / receiving control signals and position information to / from the main body 1, that is, a control unit 31 having a transmission / reception unit 35. Here, as the thermal power adjusting unit 36, a dial type is described as an example, but this may be a method of designating an increase / decrease amount of thermal power by a switch. Further, the shape of the operation body 3 is not limited to a cylindrical shape, and a rectangular parallelepiped may be used as long as the bottom surface can be electrically connected to the top plate 2 and the display unit 4 is easy to see and operate for the user. A polygonal prism may be used.

  In the induction heating cooker of the present embodiment configured as described above, after the main power supply of the main body 1 is input, when the transmission / reception unit 35 of the operating body 3 comes into contact with a predetermined region of the transmission / reception unit 15 on the top plate 2, Signals are transmitted / received, and positional information of the operating body 3 on the conductive portion 21 is input to the main body 1 and the operating body 3 from the transmitting / receiving sections 15 and 35. Thereby, the control parts 12 and 31 discriminate | determine the position on the electroconductive part 21 of the operation body 3. FIG. Then, the operating tool 3 outputs settable heating coil information to the display output unit 33 and displays it on the screen of the display unit 4. Thereafter, the heating power adjusting unit 36 of the operating body 3 is rotated, so that the heating coil can be operated according to the position where the operating body 3 is placed on the conductive portion 21. As an example, a method of extending a lead wire from the conductive part 21 and connecting to the control part 12 to perform communication, or providing electrodes on the upper and lower surfaces of the top plate 2 to perform communication by sending an AC signal, etc. It is done.

  For example, when the area where the operating body 3 is in contact with the top plate 2 in the determined communicable area (on the conductive part) on the top plate 2 as shown in FIG. The second heating coil 14b can be operated. Moreover, when the area | region where the operation body 3 contacted the top plate 2 straddles these on the boundary line of 1st and 3rd electroconductive part 21a, 21c like FIG. 7, 1st and 3rd heating is carried out. The coils 14a and 14c can be operated simultaneously, and the second and third heating coils 14b and 14c can be operated simultaneously when the coils 14a and 14c extend over the boundary lines of the second and third conductive portions 21b and 21c. Thus, when the first to third conductive portions 21a, 21b, and 21c are crossed over the boundary lines, the first to third heating coils 14a, 14b, and 14c can be operated simultaneously.

  In addition, the operating body 3 cannot operate the heating coil corresponding to the non-contact area within the communicable area of the heating coil on the top plate 2, but only the main power switch of the main body 1 is the top plate 2. It is configured so that it can be operated wherever the operating body 3 is placed in the upper communicable area.

  Further, when the operating body 3 does not contact the communicable area on the top plate 2 and transmission / reception with the main body side is not performed for a certain period of time, the main power supply of the main body 1 is automatically turned off. Yes. The fixed time until the power is turned off can be set by the user, and can be set according to the environment of each user.

  When the information on the heating coil and the information on the thermal power set by the thermal power adjustment unit 36 are input via the input / output unit 32, the control unit 31 of the operating body 3 discriminates the thermal power value from the set thermal power and determines the heating coil. Is transmitted to the cooker main body 1 and is controlled by the control unit 12 on the main body side. Conversely, when information on the heating coil and data on the heating power value are sent from the cooker body 1, for example, information on the heating coil is output to the display output unit 33 and displayed on the screen of the display unit 4. At the same time, the number of LEDs to be lit is determined based on the thermal power value, and the information is output to the input / output unit 32 and displayed on the thermal power display unit 6 (FIG. 3).

  Further, the control unit 31 has various functions necessary for cooking (timer function for setting cooking time, water heater function, fried food function, rice cooking function, etc.), and selects the various functions as display information. Displayed on the screen of the display unit 4 through the display output unit 33, and when one of the functions is selected, the selected function is determined from the signal input through the input / output unit 32, and the function is It is possible to cause the main body 1 to perform control based on the control unit 12.

  As described above, according to the present embodiment, the operation body 3 is configured to be separable from the main body 1, and the operation body 3 is provided with various functions of the cooker, is compact, and the arrangement is not fixed. When placed in the communicable area on the plate 2, control signals can be transmitted and received, so that the usability can be improved while ensuring a sufficient cooking space on the top plate 2.

  In addition, although the operation portion is separated from the main body 1 by enabling the operation only when the top plate 2 and the operation body 3 are in contact and electrically connected in this way, Incorrect operation and difficulty in use such as operation can be solved, and the user can adjust the heating power on the spot while checking the cooking status, and it is possible to perform safe operation with an ideal arrangement suitable for each person it can.

  Further, a region where communication is possible for each heating coil 14a, 14b, 14c is limited to a specific location on the top plate 2, that is, in the vicinity of each heating coil 14a, 14b, 14c, and the operating body 3 is located within these communication possible regions. In addition to performing position detection for specifying the place where the operating body 3 is placed on the top plate 2, the operating body 3 and each heating coil can be transmitted. Since the positional relationship with 14a, 14b, and 14c is made to correspond visually, the user will operate the operating body 3 near the heating coil to be operated. You can adjust the firepower on the ground. For this reason, there is no sensual shift, cooking is easy, and safety and efficiency during cooking can be improved.

  In addition, when it is desired to set the plurality of heating coils 14a, 14b, and 14c to the same setting, it is not necessary to set each heating coil 14a, 14b, and 14c from the beginning, and the plurality of heating coils 14a can be set in a short time. , 14b, 14c can be set. As the setting pattern of the heating coils that can be set simultaneously, in the induction heating cooker including the three heating coils 14a, 14b, and 14c as in the present embodiment, the operation body 3 is first to first as shown in FIG. The conductive parts 21a, 21b and 21c are placed on the boundary lines of the three conductive parts 21a, 21b and 21c. Thereby, simultaneous operation of the 1st thru | or 3rd heating coils 14a, 14b, and 14c is attained.

  Moreover, since only the main power switch of the main body 1 is configured to be operable regardless of where the operating body 3 is placed in the communicable area on the top plate 2, for example, when it is desired to end all cooking simultaneously, It is not necessary to move the operating body 3 to the communicable area dedicated to each heating coil one by one, and it becomes possible to end all cooking at the same time regardless of where the operating body 3 is in the communicable area. Cooking of the heating coil can be terminated.

  In addition, since the power is automatically turned off when transmission / reception between the operating tool 3 and the main body 1 is not performed for a certain period of time, the operating tool 3 is detached from the top plate 2 due to, for example, an earthquake. It is possible to prevent the damage from being expanded in an emergency such as when it falls or when a child accidentally touches and drops the operating tool 3.

Embodiment 2. FIG.
FIG. 8 is a plan view showing a state in which the operating body is placed in the operable region of the induction heating cooker according to the second embodiment of the present invention. In FIG. Is attached. In the description, reference is made to FIG. 2 and FIG.

  The induction heating cooker according to the present embodiment incorporates a storage medium in the control unit 31 on the operation body side, stores the contents (heating setting values, etc.) set by the operation body 3 and allows the contents to be stored, and the stored contents. (Heating set value, etc.) is read from the storage medium and can be reset, and the rest of the configuration is the same as in the first embodiment, and has all the functions of the first embodiment. It is what.

  In the induction heating cooker of the present embodiment, on the top plate 2, the operating body 3 is placed, for example, in a setting area of a first heating coil 14a (hereinafter referred to as "coil a") to heat the coil a. When setting or the like is performed, the setting value at this time is stored in the storage medium. After that, when the operating body 3 is moved into the setting area of the second heating coil 14b (hereinafter referred to as “coil b”), for example, the setting value of the coil a performed before the movement is stored from the storage medium. It can be read and set to the destination coil b.

  In other words, the set value when the use is finished and the power is turned off is also stored in the storage medium. When the main power of the main body 1 is turned on again to start cooking, the stored previous use is stored. The setting value of the heating coil at the time can be read and reset.

  As described above, in the induction heating cooker of the present embodiment, the operation body 3 includes the storage medium, so that the cooking container is moved from the coil a to the coil b in order to effectively use the space on the top plate 2, for example. In this case, since the set value of the coil a performed before the movement can be read from the storage medium and set to the movement destination coil b, it is not necessary to perform the same setting as before the movement again after the movement from the zero condition. Can be improved.

  In addition, user-specific setting conditions can be stored in advance, so that each user's favorite setting can be set instantaneously, and the user's cooking efficiency can be improved.

Embodiment 3 FIG.
FIG. 9 is an internal configuration diagram of the operating body of the induction heating cooker according to the third embodiment of the present invention. In the figure, the same parts as those in the first embodiment are denoted by the same reference numerals. In this case as well, the description will be made with reference to FIGS. 2 and 3 described above.

  The induction heating cooker of the present embodiment covers the periphery of the operation circuit 39 such as the control unit 31 mounted on the operation body 3, that is, the inner peripheral portion of the operation body 3 with the magnetic-shielding metal body 37, and the magnetic-shielding metal body 37. The outer peripheral portion of the operating body 3 that is in contact with the user, ie, the outer peripheral portion of the operating body 3 is covered with a heat-resistant resin 38, and other configurations are the same as those of the first embodiment, and the functions of the first embodiment are provided. All are provided.

  In the induction heating cooker of this embodiment, since the periphery of the operation circuit 39 such as the control unit 31 is covered with the magnetic-shielding metal body 37, when the operation body 3 is placed on the top plate 2, the internal control is performed. The metal body of the operation circuit 39 such as the part 31 is not induction-heated, and even if a situation such as induction heating occurs, only the magnetic-shield metal body 37 is heated in that case. Yes, as a result, it can be operated without disturbing the circuit. Further, since the periphery of the magnetic-shielding metal body 37 is covered with the heat-resistant resin 38, the portion that comes into contact with the user when operating can be used without becoming high temperature. Furthermore, by setting the portion covered with the heat resistant resin 38 as the outer peripheral portion of the operation body 3, the user also operates by heat transfer from the top plate 2 resulting from the contact of the operation body 3. The operating unit that comes into contact with the battery can be used without becoming hot, and it is easy to ensure safety.

Embodiment 4 FIG.
FIG. 10 is a perspective view showing the external appearance of the operating body of the induction heating cooker according to the fourth embodiment of the present invention from below, in which the same parts as those in the first embodiment are denoted by the same reference numerals. . In this case as well, the description will be made with reference to FIGS. 2 and 3 described above.

  The induction heating cooker of the present embodiment is provided with a temperature sensor 30 for measuring the surface temperature of the top plate 2 on the bottom surface of the operation body 3, and the control unit 31 displays the measurement result of the temperature sensor 30 inside the operation body 3. A plate temperature determining means (not shown) for displaying on the display unit 4 is provided, and the other configuration is the same as that of the first embodiment, and has all the functions of the first embodiment. Is.

  In the induction heating cooker of this embodiment, when the operating body 3 is placed on the top plate 2, the temperature of the top plate 2 surface can be measured. The measured temperature can be directly displayed on the display unit 4 via the control unit 31 to inform the user. The plate temperature determination means is used to determine whether the temperature in the control unit 31 is a safe temperature by comparing it with a reference value, and the determination result is output to the display output unit 33 and displayed on the screen of the display unit 4. You may make it make it.

  According to the present embodiment, not only the local temperature of the portion of the top plate 2 facing the heating coil but also the surface temperature of the front portion of the top plate 2 can be detected. The risk of contact can be prevented. In addition, about the temperature of the heating coil which is the maximum temperature on the top plate 2, the temperature calculated from the calculation formula previously incorporated in the control unit 31 according to the distance relationship with the position where the operating body 3 is placed on the top plate 2. Can be displayed on the display unit 4 to let the user know the degree of danger.

Embodiment 5 FIG.
FIG. 11 is a perspective view showing an external appearance of an induction heating cooker according to Embodiment 5 of the present invention, and FIG. 12 is a perspective view showing a transmission / reception unit in the operating body from below, in which FIG. The same parts are denoted by the same reference numerals. In this case as well, the description will be made with reference to FIGS. 2 and 3 described above.

  The induction heating cooker of this embodiment is provided with an interface, that is, a transmission / reception unit 15 for transmitting and receiving control signals and position information to and from the operation body 3 in the main body 1. As means for detecting and transmitting and receiving control signals, main body non-contact communication areas 22a to 22c are provided in predetermined areas corresponding to the first to third heating coils 14a to 14c, respectively. These 1st thru | or 3rd main body non-contact communication area | regions 22a-22c are connected with the control part 12, and function as the transmission / reception part 15 corresponding to the 1st thru | or 3rd heating coils 14a-14c, respectively, and the operation body 3 is. A heating coil that can be set is determined depending on the position of the heating coil. Here, the conditions for enabling communication between the main body 1 and the operating body 3 are above the top plate 2 and are basically effective only when the operating body 3 is placed on the top plate 2. As a communication method, for example, a communication method using wireless or infrared can be employed. In the case of an optical communication system using infrared rays or the like, a light emitting element having directivity is used. In the case of a wireless communication system, the frequency is changed for each main body non-contact communication region 22a to 22c. For example, in the state where each main body non-contact communication area 22a to 22c is transmitting with changing frequency with each other, the operating body 3 is placed, and it is informed which frequency signal is received from the operating body 3, In other words, by detecting which body non-contact communication area the operating tool 3 is responding to, the position where the operating tool 3 is placed is detected, and communication is performed at the corresponding frequency after the detection. Alternatively, a radio wave shield is provided at the boundary between the main body non-contact communication areas 22a to 22c. Thereby, the heating coil to be operated can be selected depending on the position where the operating body 3 is placed.

  On the other hand, the operation body 3 includes an input / output unit 32 as shown in FIGS. 2 to 4, a display output unit 33 and an input unit 34 having a touch-type operation panel on the screen, and a thermal power display unit that displays the thermal power at the present time. 6, the operation unit 5 including the dial-type thermal power adjustment unit 36, and the operation body non-contact communication unit 41 capable of communicating with the first to third main body non-contact communication regions 22 a to 22 c. And an interface for transmitting / receiving control signals and position information to / from the main body 1, that is, a control unit 31 having a transmission / reception unit 35. Here, as the thermal power adjusting unit 36, a dial type is described as an example, but this may be a method of designating an increase / decrease amount of thermal power by a switch.

  In the induction heating cooker of the present embodiment configured as described above, after inputting the main power supply of the main body 1, the transmission / reception unit 35 of the operating body 3 transmits and receives signals to and from the transmission / reception unit 15 of the main body 1, Position information of the operation body 3 on the operation body non-contact communication unit 41 is input to the main body 1 and the operation body 3 from the transmission / reception units 15 and 35. Thereby, the control parts 12 and 31 discriminate | determine the position on the operation body non-contact communication part 41 of the operation body 3. FIG. Then, the operating tool 3 outputs settable heating coil information to the display output unit 33 and displays it on the screen of the display unit 4. Thereafter, the heating power adjusting unit 36 of the operating body 3 is rotated to operate the heating coil in accordance with the position where the operating body 3 is placed.

  Further, the operation body 3 cannot operate the heating coil corresponding to the communicable area on the top plate 2 where it is not placed, but only the main power switch of the main body 1 is communicable area on the top plate 2. It is configured to be operable wherever the operating body 3 is placed.

  Further, when the operating body 3 is not placed anywhere in the communicable area on the top plate 2 and transmission / reception with the main body side is not performed for a certain period of time, only the main power source of the main body 1 or heating of the heating coil is automatically performed. It is configured to be OFF. The fixed time until the power is turned off can be set by the user, and can be set according to the environment of each user.

  As described above, according to the present embodiment, the operation body 3 is configured to be separable from the main body 1, and the operation body 3 is provided with various functions of the cooker, is compact, and the arrangement is not fixed. When placed in the communicable area on the plate 2, control signals can be transmitted and received, so that the usability can be improved while ensuring a sufficient cooking space on the top plate 2.

  Further, the operation portion is separated from the main body 1 by enabling the operation only when the operation body 3 is placed in the communicable area on the top plate 2, but the operation portion 3 is separated from the main body 1. Incorrect operation and ease of use are solved, and the user can adjust the heating power on the spot while checking the cooking status, and safe operation can be performed with an ideal arrangement suitable for each person.

  Moreover, since only the main power switch of the main body 1 is configured to be operable regardless of where the operating body 3 is placed in the communicable area on the top plate 2, for example, when it is desired to end all cooking simultaneously, It is not necessary to move the operating body 3 to the communicable area dedicated to each heating coil one by one, and it becomes possible to end all cooking at the same time regardless of where the operating body 3 is in the communicable area. Cooking of the heating coil can be terminated.

  Further, if transmission / reception between the operating body 3 and the main body 1 is not performed for a certain period of time, the main power supply of the main body 1 is automatically turned off. It is possible to prevent the damage from spreading in an emergency, such as when the child falls off the top plate 2 or when the child accidentally touches and drops the operation body 3.

  Alternatively, if transmission / reception between the operating body 3 and the main body 1 is not performed for a certain period of time, only heating of the heating coil is automatically turned off, so that reheating is started immediately after automatic turning off. be able to. In addition, although not shown, in a built-in induction heating cooker equipped with a heating means other than a heating coil such as a roaster, the heating means other than the heating coil may be configured not to be automatically turned off or heated. Automatic stop conditions can be set by the user, such as turning off heating means other than the coil and the heating coil at the same time, and an automatic stop function suitable for each user's environment can be provided.

  In the first to fifth embodiments, the display unit 4 is provided on the operation body 3, but only the operation unit 5 may be provided on the operation body 3, and the display unit 4 may be provided on the main body 1 side.

  DESCRIPTION OF SYMBOLS 1 Main body, 2 Top plate, 3 Operating body, 12 Control part, 14a-14c Heating coil, 21a-21c Conductive part, 22a-22c Main body non-contact communication area, 30 Temperature sensor, 37 Magnetic-shield metal body, 38 Heat resistant resin, 39 operation circuit, 40 contact piece, 41 operation body non-contact communication part.

Claims (12)

A main body provided with a plurality of heating coils for induction heating at least the cooking container;
A top plate disposed on the upper surface of the main body so as to face the heating coil, and having a plurality of communicable areas corresponding to the heating coils;
A controller provided in the main body for controlling the heating output of the heating coil;
An operating body having communication means for transmitting and receiving control signals to and from the control unit,
An induction heating cooker characterized in that the operation body is configured to be able to transmit and receive control signals when placed in the communicable region.   A plurality of communication means for the operating body are provided so that the operating body can simultaneously communicate with the communicable areas on both sides across the boundary line while the operating body is placed on the boundary line of the communicable area. The induction heating cooker according to claim 1, wherein the induction heating cooker is provided.   The induction heating cooker according to claim 2, wherein the operating body can simultaneously operate all heating coils corresponding to a communicable region on which the communication means is placed.   The induction heating cooker according to any one of claims 1 to 3, wherein the main power switch of the main body can be operated regardless of which of the operating bodies is placed in the communicable region.   The control unit turns off the power to the main power switch of the main body or the heating coil when it is determined that the operating body has not communicated with any communicable region for a certain period of time. The induction heating cooking appliance in any one of thru | or 4 thru | or 4.   The operating body includes a storage medium that stores and stores the contents set in the operating body, and when the operating body is moved from one communicable area to another communicable area, The induction heating cooker according to any one of claims 1 to 5, wherein a set value can be read from the storage medium and reset to a destination heating coil.   7. The setting content stored in the storage medium of the operating tool is retained even when the operating tool ends use, the main power switch is turned off, and the power is turned on again. Induction heating cooker.   8. The operating body according to claim 1, wherein a periphery of an operating circuit in the operating body is covered with a magnetic-shielding metal body and an outer periphery thereof is covered with a heat-resistant resin. The induction heating cooker described in 1.   The induction heating cooker according to any one of claims 1 to 8, wherein a temperature sensor is provided on a bottom surface portion of the operation body. A main body provided with a heating coil for induction heating at least the cooking container;
A top plate disposed on the upper surface of the main body to face the heating coil and having a communicable region;
A controller provided in the main body for controlling the heating output of the heating coil;
An operating body having communication means for transmitting and receiving control signals to and from the control unit,
The operating body is configured to be able to transmit and receive control signals when placed in the communicable region, and the operating body is provided with a temperature sensor for measuring the surface temperature of the top plate on the bottom surface thereof. An induction heating cooker characterized by being made. The conductive region connected to the control unit is provided in the communicable region, and the communication unit of the operating body is a contact piece that can contact the conductive unit. The induction heating cooker according to any one of 10 . 2. The communication means connected to the control unit is provided in the communicable area, and the communication means of the operating body communicates with the communication means of the communicable area in a non-contact manner. The induction heating cooker according to claim 10 .

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