JP2532467B2 - Combined cooker - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a composite cooker equipped with both high frequency heating and induction heating.

2. Description of the Related Art A conventional composite cooker shown in FIG.
2894), the operation parts of the induction heating coil 1 and the heating chamber 2 (high frequency heating) are located on the front panel of the main body.
Therefore, when the induction heating coil 1 on the upper side of the main body is used for heating, an iron or stainless steel pan is placed on the upper surface of the main body, and its operation is performed by the operation unit 15 of the front panel, and the operation state is displayed on the front. Met. Also in the case of high frequency heating, food is stored in the heating chamber 2 and its operation is performed by the operation unit 15 of the front panel, and its operation state is shown on the front.

The problem to be solved by the invention However, in such a composite cooker, since the operation display for induction heating and the operation display for high frequency heating are the same, it is very annoying and it is necessary to check if the operation is performed by mistake. You may miss it. For example, if a pan is placed on the induction heating coil on the upper side of the main unit in order to perform induction heating and the operation is performed using the operation unit 15 on the front surface, if high frequency heating is mistakenly set and heating is started, see the display. If you just do it, you will not be aware of any erroneous operation and it will heat up. Then, a high frequency is supplied to the heating chamber 2 and the temperature inside the heating chamber rises. Furthermore, in this case, there is a risk of burning flammable materials such as small foods and cloths. As described above, it is highly likely that an erroneous operation is likely to occur and it is very difficult to ensure safe use in a composite cooker provided with different heating methods, if the operation section and the display section are provided in the same place. was there.

The present invention solves such a conventional problem and eliminates erroneous confirmation by dividing the operation display unit of the induction heating coil and the operation display unit of high frequency heating and providing them at positions corresponding to each heating method. The purpose is to do.

Means for Solving the Problems In order to achieve the above object, the compound cooker of the present invention has a heating chamber for heating food, an openable / closable door provided on the front surface of the heating chamber, and a heating chamber. A high-frequency oscillator that supplies high-frequency energy, an induction heating coil that is provided above the heating chamber, a power supply that supplies power to the high-frequency oscillator and the induction heating coil, and an operating state of the high-frequency oscillator or the induction heating coil. And a control unit that controls the output of the high-frequency oscillator or the induction heating coil corresponding to the display content of the display unit, and the display unit related to the high-frequency oscillator of the display unit and the induction unit. This is a configuration in which the display unit related to the heating coil is provided separately.

Operation Since the composite cooker of the present invention is provided with the operation section and the display section at the positions corresponding to each heating method, it has the effect of enabling easy and safe cooking without erroneous operation or misconfirmation. It is a thing.

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

As shown in FIG. 1, an induction heating coil 1 (not shown, only position is shown) is provided on the upper side of the main body, and a door 15 is provided in front of a heating chamber 2 for high frequency heating (not shown, only position is shown). .

In the case of heating with the induction heating coil 1, a pan is placed on the upper side of the main body for heating. In the case of heating by high frequency heating, the door 15 is opened, food is put in the heating chamber 2, and then the door is closed to heat. Induction heating coil operation unit and display unit 3
Is located on the upper side of the main body, and the high frequency heating display section 4 and the high frequency heating operating section 5 are located on the front surface of the main body.

FIG. 2 shows an enlarged perspective view of a portion related to display and operation of the composite cooker of the present invention. Operation part 3 for induction heating coil
Is provided with a selection key for the heating method of induction heating and high frequency heating (microwave oven), and an induction heating selection key 3a and a high frequency heating selection key 3b. A high frequency heating display section 4 and a high frequency heating operation section 5 are provided on the front surface.

FIG. 3 is a circuit configuration diagram showing a circuit configuration of the composite cooker of the present invention. The induction heating coil 1 is provided above the heating chamber 2, and the pan 13 is placed on the coil to heat the coil. Heating chamber 2
The food 14 is put in the container, and high-frequency energy is supplied to the food 14 by the magnetron 6 to heat the food 14. Further, the display drive unit 7 controls the display contents of the induction heating coil display unit 3 and the high frequency heating display unit 4 based on the signal of the control unit 9, and the operation input unit 8 controls the induction heating coil operation. The contents input by the operation of the section 3 and the operation section 5 for high frequency heating are fetched and a signal is sent to the control section 9. The control unit 9 outputs a display content signal to the display drive unit 7 based on the signal from the operation input unit 8 and selects one of the induction heating coil 1 and the magnetron 6 to supply power. In addition, the inverter drive unit 10
Control and change the magnitude of power. Reference numeral 11 is an inverter power supply unit, which is for converting 50 Hz to 60 Hz of the commercial power supply into a high frequency of 20 KHz to 35 KHz. Reference numeral 12 is a step-up transformer for generating a high voltage for operating the magnetron 6.

FIG. 4 shows the structure of the induction heating coil operating section and the display section 3. In order to display and operate at the same position, two transparent films 3c are attached at a fixed interval, and transparent electrodes 3d are provided on the respective opposing surfaces, and by operating and pressing from above, this transparent Electrode 3d
Is connected and input. This transparent electrode 3d can be realized by indium oxide or the like. For display, a light bulb 3f is provided as a light-emitting body, and the light is passed through or blocked by the liquid crystal 3e for display.

FIG. 5 shows the operation and display operation by induction heating. The state of (a) of the figure shows a standby state. In this state, input the "induction heating" key on the induction heating coil operation unit and the display unit. Then, as shown in FIG. 7B, the display section of "induction heating" lights up. Then, press the "start" key on the induction heating operation unit and the display unit. Then, the display section of "induction heating" blinks as shown in FIG. Then, electric power is supplied to the induction heating coil 1 to heat the pan. As described above, since the induction heating coil 1 is operated by placing a pan on the upper side of the main body, the upper side of the main body is the surface mainly used. Therefore, providing the operation section and the display section related to induction heating on the upper side of the main body is convenient, and there is no erroneous operation or confirmation.

FIG. 6 shows the operation and display operation by high frequency heating. In the standby state of FIG. 5 (a), the induction heating coil operation unit and the "microwave oven" key of the display unit 3 are input. Then, as shown in FIG. 6 (a), the display section of the "microwave oven" lights up. Then, the intensity of the high frequency output and the heating time are input by the operation unit 5 for high frequency heating provided on the front surface of the main body. Then, as shown in (b) of FIG. Is displayed. This indicates that the intensity of the high frequency output is "strong" and the heating time is 3 minutes. Then, the "start" key of the operation part 5 for high frequency heating is input. Then, as shown in FIG. 6 (c), the induction heating coil operating section and the “microwave oven” display section of the display section blink, and power is supplied to the magnetron 6. Thus, in the case of high-frequency heating, providing the main operation and display parts on the front of the main body, such as opening and closing the front door to put food in and out, is convenient and there is no erroneous operation or confirmation.

By thus arranging the operation unit and the display unit related to induction heating on the upper side of the main body and the operation unit and the display unit related to high frequency heating on the front face of the main unit, it is easy to use and erroneous operation and erroneous confirmation are eliminated.

Effects of the Invention As described above, according to the composite cooker of the present invention, the following effects can be obtained.

(1) Since the display unit is divided, it can be identified at a glance. In addition, there is no false confirmation.

(2) Erroneous operation is eliminated by providing a display section corresponding to the actual usage of each heating method.

[Brief description of drawings]

FIG. 1 is a perspective view of a main body of a composite cooker which is an embodiment of the present invention, FIG. 2 is an enlarged perspective view of main parts relating to an operation portion and a display portion of the composite cooker, and FIG. 3 is a composite cooker. FIG. 4 is a cross-sectional view showing the structure of the induction heating coil operating section and the display section of the composite cooker, and FIG. 5 shows the operation and display operation during the induction heating of the composite cooker. FIG. 6 is an operation explanatory view showing the operation and display operation during high-frequency heating of the composite cooker, and FIG. 7 is a perspective view of the main body of the conventional composite cooker. 1 ... Induction heating coil, 2 ... Heating chamber, 3 ... Induction heating coil operation unit and display unit, 4 ... High frequency heating display unit, 5 ... High frequency heating operation unit, 6 ... Magnetron,
7 ... Display drive unit, 8 ... Operation input unit, 9 ... Control unit,
10 …… Inverter drive part, 11 …… Inverter power supply part, 12
...... Booster transformer, 13 …… pan, 14 …… food.

Front page continuation (72) Inventor Takashi Niwa 1006 Kadoma, Kadoma City, Matsushita Electric Industrial Co., Ltd. (72) Inventor Haruo Suenaga 1006 Kadoma, Kadoma City, Matsushita Electric Industrial Co., Ltd. 1006 Kadoma City, Matsushita Electric Industrial Co., Ltd. (72) Inventor Villa Daisuke Kadoma 1006 Kadoma City, Matsushita Electric Industrial Co., Ltd.

Claims (2)

(57) [Claims] 1. A heating chamber for heating food, an openable / closable door provided in front of the heating chamber, a high frequency oscillator for supplying high frequency energy into the heating chamber, and an upper side of the heating chamber. Induction heating coil, a power supply for supplying power to the high frequency oscillator and the induction heating coil, a display unit for displaying the operating state of the high frequency oscillator or the induction heating coil, corresponding to the display content of the display unit A composite cooker comprising a control unit for controlling the output of the high-frequency oscillator or the induction heating coil, and a display unit related to the high-frequency oscillator of the display unit and a display unit related to the induction heating coil are separately provided. . 2. The composite cooker according to claim 1, wherein the display section related to the induction heating coil is located on the upper surface of the composite cooker, and the display section related to the high frequency oscillator is located on the front surface of the composite cooker.