JP3895313B2 - Cooker - Google Patents

Description

  The present invention relates to a cooking device having an operation unit on a top plate.

2. Description of the Related Art Conventionally, for example, a heating cooker that performs induction heating includes an induction heating coil as a heater, and a top plate having an operation unit for performing operations related to the operation of the induction heating coil.
In this case, induction heating coils are provided on the left and right of the main body case, and a top plate is provided on the upper surface of the main body case, and the operation section is a plate main body made of heat-resistant glass of the top plate, or the plate main body. It is provided in the plate frame provided in the circumference | surroundings.

In this case, the width of the main body case and the top plate are substantially the same, and the central portions of the induction heating coil are substantially aligned with the central portions of both side portions equally divided to the left and right of the main body case. In addition, each center part of both side parts equally divided on the left and right sides of the top plate also coincides.
Japanese Patent Laid-Open No. 10-214677 JP 11-87033 A

  In the case of the above-mentioned conventional one, the operation unit is located close to the induction heating coil (heater). For this reason, the user operates the cooking unit such as a fold for operating the operation unit or a pan placed on the top plate on the induction heating coil. There is a possibility that the user's hand may be touched, and even without touching, the cooking utensil is disturbed and the operation part is difficult to operate. Furthermore, if the cooking utensils spill or splatter from the cooking utensils, they are applied to the operation unit, causing malfunctions.

  The present invention has been made in view of the above circumstances. Therefore, the object of the present invention is to prevent the user's hand from touching cooking utensils such as a pan for operating the operation unit and a pan placed on the heater on the top plate. It is another object of the present invention to provide a heating cooker that can be operated without being obstructed by the cooking utensil and that does not spill or scatter scattered cooking materials from the cooking utensil.

In order to achieve the above object, in the cooking device of the present invention, a main body case in which the first and second heaters are provided on the left and right, a top plate provided on the upper surface of the main body case, And an operation unit for performing an operation related to the operation of the first and second heaters, the width of the top plate is larger than the width of the main body case, and each of the first and second heaters The center portion is disposed outside the center portions of both side portions equally divided into the left and right sides of the main body case, and is disposed closer to the center side than the center portions of both side portions equally divided into the left and right sides of the top plate. The portion is provided in a portion of the top plate that is positioned directly above the upper surface of the cooking table in which the main body case is incorporated (invention of claim 1).

In this case, it is preferable that the operation unit is constituted by a touch switch (invention of claim 2).
The touch detection electrode of the touch switch may be provided on one side of the double-sided board, and other necessary components may be mounted on the remaining side of the double-sided board (invention of claim 3).
Furthermore, a grill cooker such as a roaster may be provided in the main body case, and an operation unit for performing operations related to the operation of the grill cooker may be provided on the front surface portion of the main body case (invention of claim 4).

  According to the first aspect of the present invention, the central portions of the both side portions are obtained by making the width of the top plate larger than the width of the main body case and equally dividing the central portions of the first and second heaters to the left and right of the main body case. By arranging it on the center side from the center of each of the two sides that are equally divided to the left and right of the top plate, there is an extra space for the first and second heaters on the top plate. Since the operation unit can be provided in the space, the operation unit is separated from the heater. Therefore, there is no possibility that the user's hand touches a cooking utensil such as a folding plate for operating the operation unit or a pan placed on the heater on the top plate, and the operation can be performed without being disturbed by the cooking utensil. become. Furthermore, even if the cooking utensils spill or scatter from the cooking utensil, they are not applied to the operation unit, and malfunctions can be prevented.

In addition, in this case, it is possible to increase the size of the operation unit, particularly the portion that is touched by the user, thereby further improving the operability and improving the responsiveness of the operation unit.
In addition, it becomes possible to place and heat cooking utensils such as pans and iron plates larger than the conventional ones on the top plate that has an extra space for the first and second heaters. Therefore, it is possible to prevent generation of resonance sound of electromagnetic vibration when the heating method is induction heating.

According to the second aspect of the present invention, the touch switch can be provided on the top plate having a small thickness (depth) without difficulty because the touch switch has an extremely flat operation stroke of zero or almost zero.
According to the third aspect of the present invention, since the touch detection electrode of the touch switch and other necessary components are provided, two substrates are not required and a single substrate (double-sided substrate) can be used. Can be provided without difficulty on a top plate having a small thickness (depth).

  According to the fourth aspect of the present invention, since the operation portion for the grill cooker that is different from the first and second heaters is not provided on the top plate, the spaciousness of the top plate is not impaired. Can do. In this case, the operation for the first and second heaters and the operation for the grill cooker can be performed at different locations, so that the operations can be divided and the operability can be improved. it can.

Hereinafter, an example (one embodiment) of the present invention will be described with reference to the drawings.
First, the cooking device of the present embodiment is roughly composed of a cooking device body 1 and a top plate 2 shown in FIGS. 1 and 2. Among these, the cooking device main body 1 has a main body case 3 as an outer shell, and the main body case 3 is formed of a metal in a rectangular box shape, and a control device for controlling the overall operation of the heating cooking device (described later). 2) and an operation unit 4 and a grill door 5 shown in FIG.

  The operation unit 4 is used by the user to give instructions to the control device to turn on / off the power source, turn on / off heaters and grill heaters to be described later, and adjust the heating power thereof. It has button / dial type controls 6-10. The grill door 5 is a front portion of a grill cooker (in this case, a roaster) 11, and there is a grill container (not shown) that is pulled out together with the grill door 5 behind (in the main body case 3). And the above-mentioned grill heater which consists of a sheath wire etc. which heats it exists (this is also not shown). Therefore, the grill cooker 11 is provided in the main body case 3.

And the lower unit 12 is comprised by the main body case 3 which arrange | positioned those control apparatuses, the operation part 4, and the grill cooker 11. FIG.
On the other hand, an inner box 13 is disposed and joined to the upper part of the main body case 3. The inner box 13 is formed of a metal, particularly a magnetic material, into a rectangular box shape smaller than the main body case 3, and includes therein a first heater 14, a second heater 15, and a figure. A third heater 16 shown in FIG. FIG. 2 shows heater supports 14 a and 15 a that support the first heater 14 and the second heater 15.

  In this case, the first heater 14 and the second heater 15 are for induction heating, and are composed of, for example, an induction heating coil wound in a spiral shape. As shown in FIG. Are disposed in the inner box 13 on the left and right side portions on the front side of the bag. On the other hand, the third heater 16 is a radiant heater that performs radiant heating, and is similarly formed of a nichrome wire wound in a spiral shape, and is disposed in the central portion on the rear side in the inner box 13. ing.

In addition, the front part in the inner box 13 displays the thermal power of the first to third heaters 14 to 16, for example, a first to a third light-emitting diode formed by arranging a plurality of light emitting diodes, respectively. Display devices 17, 18, and 19 are provided.
The top plate 2 is composed of a plate body 20 formed in a rectangular plate shape by heat-resistant glass, for example, and a plate frame 21 made of metal, for example, provided around the plate body 20, and the width of the plate body 20, particularly the plate frame 21. The width of the inner part is W2, which is larger than the width W3 of the main body case 3. The center portions O14 and O15 of the first and second heaters 14 and 15 are respectively centered at the center portions RO3 and LO3 (W3 / 4) on both sides equally divided (W3 / 2) to the left and right of the main body case 3. ) The outer side of the top plate 2 (specifically, the plate main body 20) is arranged on the center side of the center portions RO2 and LO2 (W2 / 4) of both sides equally divided (W2 / 2) on both sides. Yes.

Further, on the upper surface of the top plate 2, particularly in this case, on the upper surface of the plate main body 20, first to third heating region displays 22 and 23 corresponding to the first to third heaters 14 to 16. 24, and corresponding to the first through third display devices 17-19, there are provided first through third display portions 25, 26, 27 that display these displays in a transparent manner. ing.
Further, the top plate 2, particularly also in this case, is the plate body 20, and the left and right side portions (top) of the first and second heating area displays 22 and 23 and the plate frame 21 on both the left and right sides thereof. First and second operation portions 28 and 29 are provided as operation portions on the front side portions between the left and right side edges of the plate 2. The first and second operation portions 28 and 29 are for performing operations related to the operation of the first and second heaters 14 and 15, that is, the first and second heaters 14 and 15. It functions in the same manner as that in the operation unit 4 described above for turning on / off and adjusting the thermal power.

  Here, the first and second operation units 28 and 29 are constituted by touch switches. In FIG. 3, the contact unit 30 in the touch switch is represented by the second operation unit 29 among them. , 31, 32, and 33 are enlarged. Among these, the contact part 30 is for controlling the second heater 15 to be turned on (“ON”), and the contact part 31 is for controlling the second heater 15 to be turned OFF (“OFF”). Is responsible for increasing the thermal power of the second heater 15, and the contact portion 33 is responsible for decreasing the thermal power of the second heater 15.

Then, on the lower surface of the top plate 2 below the contact portions 30 to 33, as shown in FIGS. 4 and 5, a substrate, particularly a double-sided substrate 34 having circuit patterns on both upper and lower surfaces, in this case, is provided. The touch detection electrode 35 is provided on one surface (upper surface) of the contact portion 30 to 33 to detect the contact of the user's finger with each of the contact portions 30 to 33.
FIG. 6 shows the representative second operation unit 29 and its electrical configuration. One of the four contact units 30 to 33 is connected to the output terminal of the oscillation circuit 36 that outputs an oscillation signal having a predetermined frequency. One capacitor 37 and one diode 38 are connected in series, and the touch detection electrode 35 is connected between the capacitor 37 and the diode 38, respectively. The diode 38 is grounded via the resistor 40 and the charge capacitor 41 on the side opposite to the touch detection electrode 35 side, and the side opposite to the ground side of the charge capacitor 41 is connected to the A / D input of the microcomputer 42. Connected to the port.

The microcomputer 42 is a control device that controls the overall operation of the cooking device, and functions as a control means.
In FIG. 6, the microcomputer 42 is connected to the second operation unit 29 as described above and is connected to the inverter control circuit 43. The inverter control circuit 43 is connected to the second heater (induction heating coil). ) 15 to control the inverter 44 that supplies a high-frequency current to 15. In addition, the operation unit 4 on the front surface and the second display device 18 are connected to the microcomputer 42.

The circuit 45 shown in FIG. 6 is a unit circuit composed of a diode 38, a resistor 40, and a charge capacitor 41, and the circuit 46 is a circuit in which a capacitor 37 and a touch detection electrode 35 are added to the circuit 45, respectively. The combination total circuit is shown.
With this configuration, the output current of the oscillation circuit 36 charges the charge capacitor 41 via the capacitor 37 and the diode 38, respectively. The voltage of the charge capacitor 41 is applied to the A / D input port of the microcomputer 42.

  When the user touches the contact portion 30, a capacitor is equivalently formed between the contact portion 30 and the touch detection electrode 35, and the output of the oscillation circuit 36 flows to the ground via the human body. Voltage drops. That is, the touch switch of the present embodiment is a capacitive system, and the microcomputer 42 detects that the second operation unit 29 has been operated by detecting a decrease in the voltage of the charge capacitor 41 by the microcomputer 42. . Thereby, the corresponding 2nd heater 15 is turned on or off, or a thermal power adjustment is carried out.

  In the operation unit 4 described above, the seesaw type operator 6 is used to turn on / off the power, the push button / dial type operator 7 is used to turn on / off the first heater 14 and the heating power is adjusted. The third heater 16 is used for on / off and heating power adjustment, the operator 9 is used for on / off and heating power adjustment of the grill heater, and the operator 10 is used for on / off and heating power adjustment of the second heater 15.

  Accordingly, other necessary components (from the capacitor 37 to the charge capacitor 41) other than the contact portion 30 and the touch detection electrode 35 in the touch switch described above are formed on the double-sided substrate 34 as indicated by 47 in FIGS. It is mounted on the remaining one side (lower side). On the other side of the double-sided board 34, a connector 48, which is a connecting portion, is mounted at the end. The connector 48 is provided in the main body case 3, particularly in the inner box, as shown in FIG. 13 is provided for easy connection by a connection line 50 to the board 49 on which the microcomputer 42 and the components of the first to third display devices 17 to 19 are mounted.

Further, a reinforcing plate 51 is mounted further below the portion of the top plate 2 where the double-sided substrate 34 is mounted. The top plate 2, particularly the portion larger than the main body case 3 is reinforced and the double-sided substrate 34 is protected. Is made by the reinforcing plate 51.
The top plate 2 having the first and second operation portions 28 and 29 and the reinforcing plate 51 is composed of the first to third heaters 14 to 16 and the first to third display devices 17 to 17. The upper unit 52 is composed by being connected to the inner box 13 provided with 19, and the upper unit 52 is connected to the lower unit 12 described above after predetermined electrical wiring. Thus, the top plate 2 is provided on the upper surface of the main body case 3, and the top plate 2 forms the upper surface of the whole cooking device.

In addition, in FIG.1, FIG.2 and FIG.5, the built-in furniture incorporating the heating cooker comprised as mentioned above, especially the kitchen cooking stand 53 in this case is shown.
In the case of the structure configured as described above, first, the width W2 of the top plate 2 is made larger than the width W3 of the main body case 3, and the central portions O14 and O15 of the first and second heaters 14 and 15 are connected to the main body. By arranging outside the center portions RO3 and LO3 on both sides equally divided to the left and right of the case 3 and on the center side from the center portions RO2 and LO2 on both sides equally divided to the left and right of the top plate 2, The top plate 2 has an extra space for the first and second heaters 14 and 15, and the first and second operation portions 28 and 29 can be provided in the extra space. The operation units 28 and 29 are separated from the first and second heaters 14 and 15, respectively. Therefore, the user's hand touches cooking utensils such as pans that are operated to operate the first and second operation units 28 and 29 and are placed on the first and second heaters 14 and 15 of the top plate 2. This eliminates the possibility and allows operation without being disturbed by the cooking utensil. Furthermore, even if the cooking material spills or scatters from the cooking utensil, it will not be applied to the first and second operation portions 28 and 29, and malfunction can be prevented.

In addition, in this case, the first and second operation portions 28 and 29, particularly the contact portions 30 to 33 which are portions touched by the user thereof can be enlarged, and the operability can be further improved accordingly. The responsiveness of the first and second operation units 28 and 29 can be improved.
In addition, the top plate 2 having an extra space for the first and second heaters 14 and 15 can be heated by placing a cooking utensil such as a pan or an iron plate larger than the conventional one, Moreover, since the space | interval between cooking appliances can also be enlarged, generation | occurrence | production of the resonance sound of electromagnetic vibration, etc. when a heating system is induction heating can be prevented now.

In this configuration, the first and second operation sections 28 and 29 are configured by touch switches, and the touch switches are extremely flat with an operation stroke of zero or almost zero. The top plate 2 can be provided without difficulty.
Further, in the case of this configuration, the touch detection electrode 35 of the touch switch is provided on one side of the double-sided substrate 34, and other necessary components 47 are mounted on the remaining side of the double-sided substrate 34, and those touch detections of the touch switch are performed. In order to provide the electrode 35 and the other necessary parts 47, two substrates are not required, and only one substrate (double-sided substrate 34) can be used. be able to.

  Further, the main body case 3 has a grill cooker 11 such as a roaster, and an operation element 9 is provided on the front surface portion of the main body case as an operation unit for performing an operation related to the operation of the grill cooker 11. . Thereby, since the operation part for the grill cooker 11 different from the 1st and 2nd heaters 14 and 15 is not provided in the top plate 2, it does not need to impair the feeling of spaciousness of the top plate 2. Can do. In this case, the operation for the first and second heaters 14 and 15 and the operation for the grill cooker 11 can be performed at different locations, so that the operations can be used separately and the operability can be improved. Can be better.

In addition, since the first and second operation units 28 and 29 are provided on the top plate 2 together with the first and second display units 25 and 26, it is easier to see them in association with each other, and operability is improved. Can be further improved.
In addition to the operation element 9, the operation unit 4 is provided on the front surface, and the first and second operation units 28 and 29 are provided in addition to the operation unit 9. Can do.

Further, the connector 48 mounted on the double-sided board 34 is positioned in the main body case 3 so as to be connected to a connection partner member (substrate 49) in the main body case 3. The connection can be made easily.
The first and second operation units 28 and 29, that is, the operation units may be provided on the front side of the center portion of the top plate 2 (between the first and second heating region displays 22 and 23). Further, the operation unit may be provided on the plate frame 21 other than the plate body 20 of the top plate 2, for example.

  In addition, the present invention is not limited to the embodiment described above and shown in the drawings. In particular, the first and second heaters 14 and 15 perform radiant heating similar to the third heater 16. For example, it may be changed as appropriate without departing from the scope of the invention.

The top view in the whole built-in state which shows one Example of this invention Longitudinal front view of the entire built-in state Enlarged plan view of the main part Enlarged front view of double-sided board Expanded longitudinal front view of the main part Electrical configuration diagram

Explanation of symbols

In the drawings, 2 is the top plate, W2 is the width of the top plate, RO2 and LO2 are the central portions of both sides equally divided to the left and right of the top plate, 3 is the main body case, W3 is the width of the main body case, and RO3 and LO3 are Each central part of both side parts equally divided into the right and left of the main body case, 9 is an operator (operating part), 11 is a grill cooker, 14 is a first heater, O14 is a central part of the first heater, 15 Is the second heater, O15 is the center of the second heater, 28 is the first operation section, 29 is the second operation section, 34 is the double-sided board, 35 is the touch detection electrode, 47 is the other necessary Indicates the part.

Claims (4)

A main body case in which the first and second heaters are provided on the left and right;
A top plate provided on the upper surface of the main body case;
In what comprises the operation part for performing operation about the operation of the first and second heaters,
The width of the top plate is larger than the width of the main body case,
Each center of the first and second heaters is outside the center of both side parts equally divided to the left and right of the main body case, and the center of both side parts equally divided to the left and right of the top plate And placed on the center side of the part,
The cooking device according to claim 1 , wherein the operation unit is provided in a portion of the top plate that is positioned directly above the upper surface of the cooking table in which the main body case is incorporated .   The cooking device according to claim 1, wherein the operation unit includes a touch switch.   The cooking device according to claim 2, wherein the touch detection electrode of the touch switch is provided on one side of the double-sided board, and other necessary components are mounted on the remaining side of the double-sided board. The cooking device according to claim 1, wherein a grill cooker such as a roaster is provided in the main body case, and an operation portion for performing an operation related to the operation of the grill cooking device is provided on a front surface portion of the main body case.

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