JP4881830B2 - Induction heating cooker - Google Patents

Description

  The present invention relates to an induction heating cooker.

  There is one in which an operation unit using a capacitive touch key is provided on a top plate of a cooking device. In this cooking device, since the operation part is flat, even if the vicinity of the operation part becomes dirty, it can be easily cleaned with a cloth or the like. However, if the cloth or the like touches the operation part, a malfunction that is not intended by the user may occur.

  In order to prevent such a malfunction, in the heating cooker of Patent Document 1, in which three or more touch keys are installed in parallel, among the touch keys, a plurality of adjacent touch keys are simultaneously input. In some cases, malfunctions are prevented by not accepting input operations.

JP 2005-251504 A

  In the cooking device of Patent Document 1, it is possible to prevent malfunction when an input operation is performed unintentionally on a plurality of touch keys. However, malfunction when an operation is performed unintentionally on one touch key is prevented. It is not possible.

  For example, when cleaning the vicinity of a touch key with a cloth, if only the touch key located closest to the end is touched, the input operation to the touch key is a normal input operation. It will be judged and malfunction will occur.

  An object of this invention is to provide the heating cooker which prevents a malfunctioning, even when only the touch key located in the end most is accidentally touched among the some touch keys provided in the top plate.

  In order to solve the above problem, an induction heating cooker according to claim 1 is provided with a top plate on which an object to be heated is mounted, heating means for induction heating the object to be heated, and provided on the top plate. An operation unit on which touch keys for operating a thermal power and the like are arranged; and a control circuit that controls the heating unit based on an instruction from the operation unit, and the operation unit has a state in which heating is stopped. Accepts input operation when operated and does not accept input operation even during heating, menu key for auto cooking, and accepts input operation when operated while heating is stopped A timer key for setting a cooking time that is not accepted by the input operation, and the menu key and the timer key are a plurality of touch keys provided in the operation unit. It is provided at both ends.

  The induction heating cooker according to claim 2 is provided with a top plate on which the object to be heated is mounted, heating means for induction heating the object to be heated, and the top plate, and operates a heating power of the heating means. An operation unit on which touch keys are arranged; and a control circuit that controls the heating unit based on an instruction from the operation unit. The operation unit performs an input operation when operated when heating is stopped. Accepts input operations that are not accepted even when heated during operation. Menu key for performing auto cooking and input operations when operated when heating is stopped. A child lock key for preventing heating from being started by a child's mischief by preventing heating from being started when an input operation is performed. A key, the child lock key is provided at both ends of the plurality of touch keys provided on the operation unit.

  The induction heating cooker according to claim 3 is provided with a top plate on which the object to be heated is mounted, heating means for induction heating the object to be heated, and the top plate, and operates a heating power of the heating means. An operation unit on which touch keys are arranged; and a control circuit that controls the heating unit based on an instruction from the operation unit. The operation unit performs an input operation when operated when heating is stopped. Even if it is operated during reception heating, input operation will not be accepted, child lock key to prevent heating from being started by child mischief by preventing heating when input operation is performed, and heating A timer key for setting a cooking time is provided, which accepts an input operation when operated when stopped and does not accept an input operation even when operated during heating. A field locking key, the timer key is provided at an end of the plurality of touch keys provided on the operation unit.

  Furthermore, the induction heating cooker according to claim 4 is configured to start heating when the operation unit is operated when heating is not performed, and to stop heating when operated when heating is performed. An off / start key is provided, and the off / start key is provided second from the end of the plurality of touch keys.

  ADVANTAGE OF THE INVENTION According to this invention, the malfunctioning when the operation part using the electrostatic capacitance type touch key provided in the top plate surface of the induction heating cooking appliance was wiped with the cloth width can be prevented.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

  FIG. 1 is a top view of the induction heating cooker of this embodiment.

  In FIG. 1, 1 is a main body of the induction heating cooker, and 2 is a flat top plate made of heat-resistant glass provided on the upper surface of the main body 1. 3 to 5 are heating units displayed on the top plate 2, and heated objects such as iron pans and aluminum pans placed here are magnetic lines generated by heating means provided below the heating units 3 to 5. Induction heating due to influence. Reference numerals 6 to 8 denote display units such as LCDs for displaying the state of the heating power of the heating units 3 to 5, and reference numerals 9 to 11 denote control touch keys for operating the heating power of the heating units 3 to 5. It is the operation part. In this embodiment, capacitive touch keys are used for the operation units 9 to 11.

  FIG. 3 is a view showing a state in which the induction heating cooker of FIG. 1 is incorporated in the system kitchen. In FIG. 3, the main body 1 of the heating cooker described above is installed such that its outer peripheral edge hangs from the top plate portion of the system kitchen 20. The front surface and the operation panel 22 face the front opening hole of the system kitchen 20 and can be operated from the front surface of the main body 1. Note that the other reference numerals are the same as those shown in FIG.

  Next, the structure of the operation unit 9 will be described with reference to FIG. FIG. 4 is a cross-sectional view of the main body 1 cut so as to include the heating unit 3, the display unit 6, and the operation unit 9. Here, it is assumed that an object to be heated 40 such as a pan is mounted on the top plate 2. As shown in FIG. 4, the display unit 6 includes an LCD 61 and a display unit substrate 62, and the operation unit 9 includes a capacitive touch key 91 provided so as to touch the top plate 2 and an operation unit substrate 92. The

  Reference numeral 42 denotes a heating means for inductively heating the article to be heated 40, and reference numeral 41 denotes a control circuit that controls the heating means 42 and the display unit 6 based on instructions from the operation unit 9. Note that a plurality of touch keys 91 are provided for each function.

  When the user touches the operation unit 9, the touch key 91 recognizes that the operation unit 9 has been operated, and an instruction assigned to each touch key 91 is sent to the control circuit 41 via the operation unit substrate 92. . The control circuit 41 controls the content displayed on the display unit 6 according to the input instruction, and controls the heating means 42 including the heating coil to adjust the heating power.

  Thus, by providing the touch key 91 under the flat top plate 2, a part of the top plate 2 can be used as the flat operation unit 9, and the vicinity of the operation unit 9 becomes dirty during cooking. However, it is easy to wipe off with a cloth.

  Normally, a print indicating the function of the touch key 91 below the top plate 2 is made on the back surface or the front surface of the top plate 2 so that the user can recognize the presence or function of the touch key. It is not necessary to print at a position corresponding to the touch key 91 that does not need to recognize the function.

  FIG. 2 is an enlarged view of the display unit 6 and the operation unit 9 corresponding to the heating unit 3. As shown here, the operation unit 9 is provided with touch keys 9a to 9i. Although not shown, the operation unit 11 has the same configuration as the operation unit 9, and the operation unit 10 is operated except that the “slow fire”, “low fire”, “medium fire”, and “high fire” touch keys are not provided. Since it is the same as the structure of the part 9, description is abbreviate | omitted and below, it demonstrates using the operation part 9 corresponding to the heating part 3 as an example.

  In FIG. 2, 9a is a “menu key” for performing automatic cooking, 9b starts heating when operated when heating is not performed, and stops heating when operated when heating is performed. "Cut / Start key", 9c to 9h are keys for adjusting the thermal power, 9c is a "fire key" for setting the fire power to low heat, 9d is a "low fire key" for setting low heat, and 9e is for medium heat “Medium fire key” to be set, 9f is a “strong fire key” to set a high fire, 9g is a “fire power down key” to weaken the thermal power, and 9h is a “fire power up key” to strengthen the thermal power. Reference numeral 9i denotes a “timer key” for setting the cooking time.

  Next, the operation of the induction heating cooker of this embodiment using the operation unit 9 will be described.

  First, the user operates a desired firepower (for example, the high fire key 9f) after operating the off / start key 9b, or operates the switch / start key 9b after operating the desired firepower (for example, the high fire key 9f). Then, heating is started.

  Further, in order to change the heating power during heating, a desired heating power (for example, a low fire key 9d) is operated during heating. To stop heating, the off / start key 9b is operated during heating.

  Next, prevention of malfunction of the induction heating cooker of the present embodiment will be described. If the top plate 2 is wiped with a cloth when the liquid has been spilled on the top plate 2, the cloth touches the touch key of the operation unit 9, and the touch key unintended by the user may be operated. . When touching the touch key with a relatively wide cloth compared to the touch key, since it will touch a plurality of touch keys at the same time, in the induction heating cooker of this embodiment, when a plurality of touch keys are operated at the same time, The input was not accepted. Thereby, even if it is a case where a plurality of touch keys are touched when wiping the vicinity of the operation unit 9 with a cloth, malfunction can be prevented. The menu key 9a and the timer key 9i provided at both ends of the operation unit 9 accept input operations when heating is stopped, and do not accept input operations during heating. Thus, even if the menu key 9a or the timer key 9i is operated during heating, the heating control is not affected.

  In FIG. 2, the case where the operation part 9 is wiped with a cloth from left to right will be specifically described as an example. First, a cloth width touches the menu key 9a located on the leftmost side. However, operating the menu key 9a during heating does not affect the control of the induction cooking device. Subsequently, the cloth touches the cut / start key 9b, but since the cloth touches the menu key 9a, that is, since a plurality of touch keys are operated simultaneously, the input of the cut / start key 9b is accepted. Absent. Further, when the cloth cloth touches the torch key 9c, the cloth cloth also touches the cut / start key 9b, so that the input of the torch key 9c is not accepted. Further, when the cloth width is in contact with the heating power up key 9h and the timer key 9i, since a plurality of touch keys are operated at the same time, any key input is not accepted. Finally, the cloth width touches the timer key 9i alone, but operating this during heating does not affect the control of the induction heating cooker. When the operation unit 9 is wiped with a cloth from left to right, it is possible to prevent malfunction.

  Next, in FIG. 2, a specific example will be described in which the operation unit 9 is wiped with a cloth from right to left. First, the cloth cloth touches the timer key 9i located at the rightmost position. However, operating the timer key 9i during heating does not affect the control of the induction cooking device. Subsequently, the cloth touches the heating power up key 9h, but since the cloth touches the timer key 9i, that is, a plurality of touch keys are operated simultaneously, the input of the heating power up key 9h is not accepted. Further, when the cloth touches the thermal power down key 9g, the cloth power is also in contact with the thermal power up key 9h, so that the input of the thermal power down key 9g is not accepted. In addition, when the cloth is touching the cut / start key 9b and the menu key 9a, the input of any key is not accepted because a plurality of touch keys are operated simultaneously. Finally, the cloth width touches the menu key 9a alone, but even if it is operated during heating, it does not affect the control of the induction heating cooker. When the operation unit 9 is wiped with a cloth from right to left, malfunction can be prevented in this way.

  Next, another embodiment of the present invention will be described with reference to FIG. The induction heating cooker according to the second embodiment is the same as the configuration of the induction heating cooker according to the first embodiment except for the configuration of the touch keys of the operation units 9 to 11, and thus redundant description is omitted.

  In the induction heating cooker according to the second embodiment, as shown in FIG. 5, the menu key 9a and the start of heating when an input operation is performed prevent the start of heating due to mischief of the child. The child lock key 9j is provided at both ends of the operation unit 9.

  Next, prevention of malfunction of the induction heating cooker of the present embodiment will be described. If the top plate 2 is wiped with a cloth when the liquid has been spilled on the top plate 2, the cloth touches the touch key of the operation unit 9, and the touch key unintended by the user may be operated. When touching the touch key with a relatively wide cloth compared to the touch key, since it will touch a plurality of touch keys at the same time, in the induction heating cooker of this embodiment, when a plurality of touch keys are operated at the same time, The input was not accepted. Thereby, even if it is a case where a plurality of touch keys are touched when wiping the vicinity of the operation unit 9 with a cloth, malfunction can be prevented. The menu key 9a and the child lock key 9j provided at both ends of the operation unit 9 accept input operations when heating is stopped, and do not accept input operations during heating. Thus, even if the menu key 9a or the child lock key 9j is operated during heating, the heating control is not affected.

  In FIG. 5, the case where the operation unit 9 is wiped with a cloth from left to right will be specifically described as an example. First, a cloth width touches the menu key 9a located on the leftmost side. However, operating the menu key 9a during heating does not affect the control of the induction cooking device. Subsequently, the cloth touches the cut / start key 9b, but since the cloth touches the menu key 9a, that is, since a plurality of touch keys are operated simultaneously, the input of the cut / start key 9b is accepted. Absent. Further, when the cloth cloth touches the torch key 9c, the cloth cloth also touches the cut / start key 9b, so that the input of the torch key 9c is not accepted. In addition, when the cloth width is in contact with the heating power up key 9h and the child lock key 9j, since a plurality of touch keys are operated at the same time, any key input is not accepted. Finally, the cloth width touches the child lock key 9j alone, but even if it is operated during heating, it does not affect the control of the induction heating cooker. When the operation unit 9 is wiped with a cloth from left to right, it is possible to prevent malfunction.

  Next, in FIG. 5, a specific example will be described in which the operation unit 9 is wiped with a cloth from right to left. First, the cloth cloth touches the child lock key 9j located at the rightmost position. However, operating the child lock key 9j during heating does not affect the control of the induction cooking device. Subsequently, the cloth touches the heating power up key 9h, but since the cloth also touches the child lock key 9j, that is, since a plurality of touch keys are operated simultaneously, the input of the heating power up key 9h is not accepted. . Further, when the cloth touches the thermal power down key 9g, the cloth power is also in contact with the thermal power up key 9h, so that the input of the thermal power down key 9g is not accepted. In addition, when the cloth is touching the cut / start key 9b and the menu key 9a, the input of any key is not accepted because a plurality of touch keys are operated simultaneously. Finally, the cloth width touches the menu key 9a alone, but even if it is operated during heating, it does not affect the control of the induction heating cooker. When the operation unit 9 is wiped with a cloth from right to left, malfunction can be prevented in this way.

  Next, another embodiment of the present invention will be described with reference to FIG. The induction heating cooker according to the third embodiment is the same as the configuration of the induction heating cooker according to the first embodiment except for the configuration of the touch keys of the operation units 9 to 11, and thus redundant description is omitted.

  In the induction heating cooker of the third embodiment, as shown in FIG. 6, a child lock key 9 j and a timer key 9 i are provided at both ends of the operation unit 9.

  Next, prevention of malfunction of the induction heating cooker of the present embodiment will be described. If the top plate 2 is wiped with a cloth when the liquid has been spilled on the top plate 2, the cloth touches the touch key of the operation unit 9, and the touch key unintended by the user may be operated. When touching the touch key with a relatively wide cloth compared to the touch key, since it will touch a plurality of touch keys at the same time, in the induction heating cooker of this embodiment, when a plurality of touch keys are operated at the same time, The input was not accepted. Thereby, even if it is a case where a plurality of touch keys are touched when wiping the vicinity of the operation unit 9 with a cloth, malfunction can be prevented. In addition, the timer key 9i and the child lock key 9j provided at both ends of the operation unit 9 accept input operations when heating is stopped, and do not accept input operations during heating. Thus, even if the timer key 9i or the child lock key 9j is operated during heating, the heating control is not affected.

  In FIG. 6, a specific example will be described in which the operation unit 9 is wiped with a cloth from left to right. First, the cloth cloth touches the child lock key 9j located at the leftmost position. However, operating the child lock key 9j during heating does not affect the control of the induction cooking device. Subsequently, the cloth width touches the cut / start key 9b, but the cloth width also touches the child lock key 9j. That is, since a plurality of touch keys are operated simultaneously, the input of the cut / start key 9b is accepted. I can't. Further, when the cloth cloth touches the torch key 9c, the cloth cloth also touches the cut / start key 9b, so that the input of the torch key 9c is not accepted. Further, when the cloth width is in contact with the heating power up key 9h and the timer key 9i, since a plurality of touch keys are operated at the same time, any key input is not accepted. Finally, the cloth width touches the timer key 9i alone, but operating this during heating does not affect the control of the induction heating cooker. When the operation unit 9 is wiped with a cloth from left to right, it is possible to prevent malfunction.

  Next, in FIG. 6, a specific example will be described in which the operation unit 9 is wiped with a cloth from right to left. First, the cloth cloth touches the timer key 9i located at the rightmost position. However, operating the timer key 9i during heating does not affect the control of the induction cooking device. Subsequently, the cloth touches the heating power up key 9h, but since the cloth touches the timer key 9i, that is, a plurality of touch keys are operated simultaneously, the input of the heating power up key 9h is not accepted. Further, when the cloth touches the thermal power down key 9g, the cloth power is also in contact with the thermal power up key 9h, so that the input of the thermal power down key 9g is not accepted. In addition, when the cloth is touching the cut / start key 9b and the child lock key 9j, a plurality of touch keys are operated at the same time, and therefore any key input is not accepted. Finally, the cloth width touches the child lock key 9j alone, but even if it is operated during heating, it does not affect the control of the induction heating cooker. When the operation unit 9 is wiped with a cloth from right to left, malfunction can be prevented in this way.

It is a top view of the induction heating cooking appliance in one Example of this invention. It is an enlarged view of the operation part of the induction heating cooking appliance. It is a perspective view of the system kitchen in which the same induction heating cooking appliance was installed. It is principal part sectional drawing of the same induction heating cooking appliance. It is an enlarged view of the operation part of the induction heating cooking appliance in the other Example of this invention. It is an enlarged view of the operation part of the induction heating cooking appliance in the other Example of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Main body 2 Top plate 3, 4, 5 Heating part 6, 7, 8 Display part 9, 10, 11 Operation part 41 Control circuit 42 Heating means

Claims (4)

A top plate on which an object to be heated is mounted;
Heating means for induction heating the object to be heated;
An operation unit provided on the top plate and arranged with touch keys for operating the heating power of the heating means, and the like.
A control circuit for controlling the heating means based on an instruction from the operation unit;
An induction heating cooker comprising:
In the operation unit,
A menu key for auto cooking that accepts an input operation when operated when heating is stopped, does not accept an input operation even if operated during heating,
A timer key to set the cooking time, accepting input operations when operated when heating is stopped, not accepting input operations even if operated during heating,
Is provided,
The induction cooking device, wherein the menu key and the timer key are provided at both ends of a plurality of touch keys provided in the operation unit. A top plate on which an object to be heated is mounted;
Heating means for induction heating the object to be heated;
An operation unit provided on the top plate and arranged with touch keys for operating the heating power of the heating means, and the like.
A control circuit for controlling the heating means based on an instruction from the operation unit;
An induction heating cooker comprising:
In the operation unit,
A menu key for auto cooking that accepts an input operation when operated when heating is stopped, does not accept an input operation even if operated during heating,
If the operation is performed while heating is stopped, the input operation is accepted. Even if the operation is performed during heating, the input operation is not accepted. A child lock key to prevent
Is provided,
The induction cooking device, wherein the menu key and the child lock key are provided at both ends of a plurality of touch keys provided in the operation unit. A top plate on which an object to be heated is mounted;
Heating means for induction heating the object to be heated;
An operation unit provided on the top plate and arranged with touch keys for operating the heating power of the heating means, and the like.
A control circuit for controlling the heating means based on an instruction from the operation unit;
An induction heating cooker comprising:
In the operation unit,
If the operation is performed while heating is stopped, the input operation is accepted. Even if the operation is performed during heating, the input operation is not accepted. A child lock key to prevent
A timer key to set the cooking time, accepting input operations when operated when heating is stopped, not accepting input operations even if operated during heating,
Is provided,
The child cook key and the timer key are provided at ends of a plurality of touch keys provided in the operation unit. In the induction heating cooker according to any one of claims 1 to 3,
The operation unit is further provided with a turn / start key for starting heating when operated when not heating, and stopping heating when operated when heating. The induction / heating cooker is characterized in that the cut / start key is provided second from the ends of the plurality of touch keys.

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