JP2532468B2 - 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 heating with the induction heating coil 1 on the upper side of the main body, a state in which an iron or stainless steel pan is placed on the upper surface of the main body and the operation is performed by the operation unit 15 of the front panel and the operation state is displayed on the front surface 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, it will heat up without noticing a mistaken operation. 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 provides a switching means for induction heating and high frequency heating, and divides the operation display section of the induction heating coil and the operation display section of high frequency heating into each heating system. The purpose is to eliminate erroneous confirmation by installing it at the corresponding position.

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 for supplying high frequency energy, an induction heating coil provided on the upper side of the heating chamber, a power supply for supplying power to the high frequency oscillator and the induction heating coil, and operation of the high frequency oscillator or the induction heating coil. A display operation section for operating and displaying an operating state, the display operation section is provided with switching means for switching between high frequency heating and induction heating operation, and only the display operation section relating to the heating method selected by the switching means. The display and operation section related to high frequency heating and the display and operation section related to induction heating are separately arranged.

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 inputs only the operation key related to the selected heating method. Then, one of the induction heating coil 1 and the magnetron 6 is selected to supply power. It also controls the inverter drive unit 10 to change the amount of electric power.
Reference numeral 11 denotes an inverter power supply unit, which is a commercial power supply of 50 to 60 Hz.
It is for converting power to a high frequency of K Hz to 35 K Hz. 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, the induction heating coil operation key and the induction heating selection key 3a on the display
Enter Then, as shown in Fig. 2 (b), "induction heating"
The display portion 3a of turns on. Then, press the "start" key on the induction heating operation unit and the display unit. Then, the "induction heating" display portion 3a blinks as shown in FIG.
After inputting the induction heating selection key, the related key for high frequency heating is not accepted. 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 the 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 "microwave oven" key as the induction heating coil operation unit and the high frequency heating selection key 3b of the display unit 3 is input. Then, as shown in FIG. 6 (a), the display part 3b 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, as shown in FIG. 7C, the "start" key of the high-frequency heating operation unit 5 is input. After inputting the high-frequency heating selection key 3b, keys related to induction heating are not accepted. Then, the display unit 3b of the "microwave oven" of the induction heating coil operation unit and the display unit blinks, and power is supplied to the magnetron 6. Thus, in the case of high-frequency heating, it is convenient to install the main operation and display on the front of the main body such as opening and closing the front door to put food in and out, 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 operation section is provided with a switching means for switching between high-frequency heating and induction heating operations and the respective heating displays are divided, it is possible to determine at a glance which heating is being used.

(2) Since only the relevant keys are input after the type of heating is selected, erroneous operation can be eliminated.

[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, 3a ... Induction heating selection key, 3b ... High frequency heating selection key, 4 ... High frequency heating display unit 5 ... Operation part for high frequency heating, 6 ... Magnetron, 7 ... Display drive part, 8 ... Operation input part, 9 ... Control part, 10 ... Inverter drive part, 11 ... Inverter power supply part, 12 ...... Booster transformer, 13 …… pan, 14 …… food.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (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. (72) Inventor Takahiro Matsumoto 1006 Kadoma, Kadoma-shi, Matsushita Electric Industrial Co., Ltd. (72) Inventor Villa Daisuke 1006, Kadoma, Kadoma Matsushita Electric Industrial Co., Ltd. (56) Reference JP 60-143382 (JP, A) Kai 53-76244 (JP, U)

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 to the heating chamber, and an upper side of the heating chamber. An induction heating coil, a power supply for supplying power to the high frequency oscillator and the induction heating coil,
A display operation section for operating the operation of the high-frequency oscillator or the induction heating coil and displaying an operation state, and the display operation section is provided with a switching means for switching between high-frequency heating and induction heating operation. A composite cooker configured such that only the display / operation unit related to the selected heating method is operable, and the display / operation unit related to high-frequency heating and the display operation unit related to induction heating are separately arranged. 2. The composite cooker according to claim 1, wherein a display operation section related to high-frequency heating is arranged on a front surface of the main body, and a display operation section related to induction heating is arranged on an upper side of the main body.