JPH0917562A - Induction heating cooker - Google Patents

Abstract

PURPOSE: To provide an induction heating cooker whereby simpler setting can be made relating to predetermined cooking by providing a function of changing the initial setting. CONSTITUTION: When the change of a condition to the initial setting change condition is indicated by an initial setting change means 40, an operating means 39 changing a heating value is concurrently used for changing the initial setting value. In addition in the case of ending changing the initial setting value, the initial setting value in this point of time is stored in memory means 32.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an induction heating cooker capable of changing the initial setting of the heating state.

[0002]

2. Description of the Related Art In recent years, the number of induction heating cookers having various cooking functions has been increasing, and these products have been widely applied to heat sources for business use as well as household kitchens. There is.

FIG. 8 is a side sectional view of a conventional induction heating cooker using induction heating, and FIG. 9 is a perspective view of the operating portion. In FIG. 8 and FIG. 9, 1 is a main body case, and the plate 2 is fixed to the upper part. Reference numeral 3 is a temperature detector, which is attached in contact with the bottom of the plate 2. A heating coil 4 is fixed under the plate 2. A control circuit 6 is provided in the main body case 1 and supplies a current to the heating coil 4. Further, the control circuit 6 and the temperature detector 3 are electrically connected. 8 is a cooling fan, the main body case 1
It is installed inside to cool the control circuit 6 and the heating coil 4. Reference numeral 9 is a cooking pan or the like that is a load, and is placed on the plate 2 and heated. Reference numeral 10 is a connection cord.
Reference numeral 11 denotes an operation unit, on the operation surface, a power switch 13, a heating switch 15 for normally heating as an operation unit,
A tempura switch 16 for heating while controlling the temperature of the cooking pot 9 and adjusting switches 17, 18 for changing the level of heating and temperature control are provided. In addition, 1 of the adjustment switch
7 performs a descending operation and 18 performs an ascending operation. Further, the operation unit 11 has a power switch display 20 and a heating switch display 2
1, a tempura switch display 22 and an adjustment switch display 23 are provided, and these displays show the operating state in association with the operation of each switch. The operation unit 11 and the control circuit 6 are electrically connected by the connection cord 10.

The operation of the induction heating cooker configured as described above will be described below. Place the cooking pot 9 on the plate 2 and turn on the power switch 13 of the operation unit 11.
By pressing the heating switch 15, the control circuit 6 energizes and drives the heating coil 4 in a predetermined initial setting state (maximum output in this case). In addition, when oil is put in the cooking pot 9 and tempura cooking is performed, the temperature of the cooking pot 9 is controlled by pressing the tempura switch 16 to control to a predetermined initial setting state (oil temperature 180 ° C. in this case). Is detected by the temperature detector 3 via the plate 2, the detected value is constantly compared with the set value of the control circuit 6, and when the detected value is low, heating is performed, and when the detected value is high, temperature control is performed while stopping heating. Therefore, the predetermined oil temperature is reached. The heating state and the heating state for adjusting the temperature of the tempura oil (hereinafter referred to as the temperature control state) can be changed to desired values by the adjustment switches 17 and 18.

[0005]

However, since the conventional induction heating cooker cannot change the initial setting value, when the heating output or the temperature control state determined by the initial setting is different from the desired value, the adjustment switch 17 is used. , 18 had to be changed. When the induction heating cooker is set on a commercial customer table, the initial heating state is determined depending on the dish, and depending on the dish, adjusting the adjustment switch at the start of heating is troublesome. Further, in the conventional induction heating cooker, when a new function is added, for example, when the temperature control function of the grill is turned on, the grill switch and its display are added, and the operation unit 11 becomes complicated each time the function is increased. There was a problem to do.

The present invention solves the above-mentioned problems of the prior art. By providing a function for changing the initial settings, it is possible to make simple settings for dishes for which the food is predetermined, and further, a new function It is a first object of the present invention to provide an induction heating cooker that does not complicate the operation means during normal use even if the above is added.

A second object is to provide an induction heating cooker which, in addition to the above objects, prevents a customer who visits the store from easily changing the initial settings when the table is incorporated into a customer service table for business use.

[0008]

In order to achieve the first object, the induction heating cooker of the present invention has a means for heating a load, and a control means for driving and varying the heating means is provided. Further, the control means is provided with a storage means for storing the initial settings, the operation means for instructing the control means and the display means for showing the operation state are provided, and the operation means further comprises:
At least a switch for instructing to change the initial setting and a switch for instructing driving and changing of the heating are provided, and when the heating start instruction is given by the operating means, the control means reads the initial setting state from the storage means and drives the heating means in that state. Also, when the switch for instructing the change of the initial setting is turned on, the initial setting change state is entered, and the operating means is operated to change the initial setting of the storage means through the control means, and the initial state is changed in that state. It has a function of storing the initial setting in the storage means when the switch for changing the setting is turned off.

In order to achieve the second object, the induction heating cooker of the present invention has means for heating a load, and a control means for driving and varying the heating means is provided, and
A storage means for storing the initial settings of the control means, a means for opening and closing the power supply to the control means, an operation means for instructing the control means, and a display means for indicating the operation state,
Further, the operating means is provided with a switch for instructing at least driving and changing of heating, and the opening / closing means of the power source is energized, and when the heating means is instructed by the operating means, the control means reads the initial setting state from the storage means, When the heating means is driven in this state, and the power supply opening / closing means is operated while the operation means is switched on to energize the control means, the initial setting change state is set, and by operating the operation means, the control means is operated. By changing the initial setting of the storage means and operating the opening / closing means of the power supply in that state to stop energizing the control means, the initial setting is stored in the storage means.

[0010]

By operating the change switch of the initial setting by the first technical means, the initial setting can be determined by assuming the optimum heating state for the food, which is predetermined by the operating means, so that a simple operation is possible. In addition, it is possible to change the operation program of the conventional switch according to a predetermined rule by changing the initial setting, and a new cooking function can be provided without increasing the number of switches.

Further, in order to bring the initial setting to the changed state by the second technical means, it is necessary to operate the opening / closing means of the power source while turning on the switch of the operating means, so that a person who does not know the operating method normally operates. Since it is not possible to change the initial settings with, it is safe because customers who visit the store when using the customer service table for business cannot easily change the initial settings.

[0012]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a side sectional view of an induction heating cooker using induction heating according to a first embodiment of the present invention, FIG. 2 is a perspective view of the same operating portion, and FIG. 3 is a block diagram thereof. In FIGS. 1, 2 and 3, reference numeral 24 denotes a main body case, and a plate 25 is provided on an upper portion.
Is fixed. Reference numeral 26 denotes a temperature detector, which is attached in contact with the bottom of the plate 25. A heating coil 27 serves as heating means 28 and is fixed below the plate 25. Reference numeral 29 is a control circuit that serves as control means 30, which is provided in the main body case 24 and supplies a current to the heating coil 27. Reference numeral 31 denotes a non-volatile memory serving as a storage means 32, which is provided in the control circuit 29. Further, the control circuit 29 and the temperature detector 26 are electrically connected.
A cooling fan 33 is mounted inside the main body case 24 and cools the control circuit 29 and the heating coil 27. Reference numeral 34 is a cooking pan or the like that is a load, and is placed on the plate 25 and heated. Reference numeral 35 is a connection cord. Reference numeral 36 denotes an operation unit, on the operation surface of which, a power switch 38 serving as a power supply opening / closing unit 37, an initial setting changing unit 40 as an operating unit 39 for instructing a change of initial settings, a heating switch 41 for normal heating, and a cooking pot. A tempura switch 42 for heating while adjusting the temperature of 34, and adjustment switches 43, 44 for changing the positions of heating and temperature control are provided. Incidentally, the adjustment switch 43 performs a descending operation and 44 an ascending operation. Further, the initial setting changing means 40 is made small so that it is difficult to be pressed at normal times, and is placed inside the operation surface. Further, the power switch display 4 is provided as a display unit 45 on the operation unit 36.
6, heating switch display 47, tempura switch display 48,
It has an adjustment switch display 49, and these displays show the operation state in association with the operation of each switch. The operation unit 36 and the control circuit 29 are electrically connected by the connection cord 35.

The operation of the induction heating cooker configured as described above will be described below. By placing the cooking pot 34 on the plate 25, turning on the power switch 38 of the operation unit 36, and pressing the heating switch 41 of the operation unit 39, the control circuit 29 of the control unit 30 stores the nonvolatile data of the storage unit 32 in the circuit. The current initial setting state is read from the sex memory 31 and the state is displayed on the adjustment switch display 49, and the output causes the control circuit 29 to energize and drive the heating coil 27 of the heating means 28. Further, when oil is put in the cooking pot 34 and tempura cooking is performed, the control circuit 29 of the control means 30 is pushed from the non-volatile memory 31 of the storage means 32 by pressing the tempura switch 42 of the operation means 39. The initial setting state at the present time is read, the position thereof is displayed on the adjustment switch display 49, and the value thereof is compared with the value detected by the temperature detector 26 via the plate 25, and the detected value is low. If the temperature is high, the temperature is adjusted while the heating is stopped to control the oil temperature to a predetermined value. The heating state and the temperature adjustment state can be changed to desired values by the adjustment switches 43 and 44.

Next, the operation for changing the initial setting will be described. When the initial setting changing means 40 of the operating means 39 is pressed, the initial setting changing state is entered, and the power switch display 46
Flashes. To change the initial output state when the heating switch 41 is pressed, the heating switch display 47 blinks when the heating switch 41 is pressed after pressing the adjustment switch 43 in the initial setting state as shown in FIG. At this time, the position indicated by the adjustment switch display 49 is the position in the initial output state, and the position can be changed by the adjustment switches 43 and 44 to change the initial output state. To change the initial temperature adjustment position when the tempura switch 42 is pressed, press the adjustment switch 43 in the initial setting state as shown in FIG. 5 and then press the tempura switch 42 to blink the tempura switch display 48, At this time, the position indicated by the adjustment switch display 49 is the initial temperature adjustment position, and the position can be changed by the adjustment switches 43 and 44 to change the initial temperature adjustment position. Further, in the temperature adjusting function, the display temperature and the value of the load are considerably different depending on the state of the load to be heated, and when the iron plate is heated by adjusting the temperature according to the tempura, the display temperature rises by about 60 ° C. Therefore, the present embodiment has a function of correcting the target temperature in the control circuit 29 for comparison with the temperature detected by the temperature detector 26, which will be described below. As shown in FIG. 6, when the tempura switch 42 is pressed in the initial setting state, the heating switch display 47 lights up, and the tempura switch display 48 blinks. The position indicated by the switch display 49 is the correction value of the target temperature for temperature adjustment, and the display position and the correction value are shown in Table 1. In addition, the movement of the display position is adjusted by the adjustment switches 43 and 44.
It can be done by the operation of. The operation unit 39 is used to end the initial setting state.
This is performed by pressing the initial setting changing means 40 again, the power switch display 46 changes from blinking to lighting, and the changed initial setting value is stored in the non-volatile memory 31 of the storage means 32.

[0016]

[Table 1]

As described above, in the present embodiment, since the initial setting can be changed in accordance with the output and the temperature adjustment position most suitable for the food whose cooking is predetermined, the power switch 38 is turned on. It is convenient that the heating can be performed with the optimum setting by simply pressing the heating switch 41 or the tempura switch 42. Further, a function of changing the target temperature of the temperature adjustment so that the temperature of the iron plate can be adjusted by using the tempura switch 42 can be added to the initial setting changing function, and a new function is added without complicating the operating means during normal use. A configuration can be realized.

In the second embodiment of the present invention, since the initial setting changing means 40 is simply eliminated as a configuration, a perspective view of the operating portion is shown in FIG. 7 and only the change of the operation will be described. The change in the operation is only related to the change in the initial setting and will be described below. To change the initial output state when the heating switch 41 is pressed, turn on the power switch 37 while pressing both the tempura switch 42 and the adjustment switch 43, and then press the heating switch 41 to display the power switch display 46 and the heating switch display 47. Blinks, and at this time, the position indicated by the adjustment switch display 49 is the position in the initial output state, and the position can be moved by the adjustment switches 43 and 44 to change the initial output state. To change the initial temperature adjustment position when the tempura switch 42 is pressed, turn on the power switch 37 while pressing both the tempura switch 42 and the adjustment switch 43, and then press the tempura switch 42 again to turn on the power switch display 46 and the tempura switch. The display 48 blinks, and at this time, the position indicated by the adjustment switch display 49 is the initial temperature adjustment position, and the position can be moved by the adjustment switches 43 and 44 to change the initial temperature adjustment position. The target temperature for temperature adjustment can be changed by heating switch 41 and tempura switch 4.
When the power switch 37 is turned on while pressing 2 and 2, the power switch indicator 46 blinks, the heating switch indicator 47 lights up, and the tempura switch indicator 48 blinks, at which time the position indicated by the adjustment switch indicator 49 is the temperature. The display position is moved by operating the adjusting switches 43 and 44 with the correction value of the target temperature for adjustment. In addition, at the end of the initial setting state, the initial setting value changed by turning off the power switch 38 is stored in the non-volatile memory 32 of the storage unit 32.

As described above, in this embodiment, the opening / closing means 3 for the power source is operated while pressing the predetermined switch of the operating means 39.
Since the initial setting cannot be changed unless the power switch 38 of No. 7 is turned on, when the cooker of this embodiment is incorporated into a customer service table for business use, the customer who visits the store cannot easily change the initial setting. Is.

Although the power source switch 38 is used as the power source opening / closing means 37 in this embodiment, an outlet or the like connected to the power source may be used as the power source opening / closing means.

[0021]

As described above, according to the present invention, when the initial setting changing means gives an instruction to change the initial setting value, the operating means operates so as to change the initial setting value. When finished, the initial setting value at that time is stored in the storage means, so that it is possible to make simple settings for dishes with predetermined dishes, and even if new functions are added, it is normal It is possible to provide an induction heating cooker in which the operating means when used is not complicated.

Further, a power source opening / closing means for controlling the energization state of the power source is provided, and the power source opening / closing means is operated while at least one switch of the operating means is being pressed to bring the initial setting change state to a commercial use. When incorporated in a customer service table, it is possible to provide an induction heating cooker that prevents customers who visit the store from easily changing the initial settings.

[Brief description of the drawings]

FIG. 1 is a side sectional view of an induction heating cooker according to a first embodiment of the present invention.

FIG. 2 is a perspective view of an operating portion of the induction heating cooker.

FIG. 3 is a block control diagram of the induction heating cooker.

FIG. 4 is an explanatory diagram of a change operation of an initial output state of the induction heating cooker.

FIG. 5 is a diagram for explaining an operation of changing the initial temperature adjustment position of the induction cooking device.

FIG. 6 is an explanatory diagram of a target temperature changing operation for adjusting the temperature of the induction cooking device.

FIG. 7 is a perspective view of an operating portion of the induction heating cooker according to the second embodiment of the present invention.

FIG. 8 is a side sectional view of a conventional induction heating cooker.

FIG. 9 is a perspective view of the operation unit of the induction heating cooker.

[Explanation of symbols]

 28 Heating Means 30 Control Means 32 Storage Means 37 Power Supply Opening / Closing Means 39 Operating Means 40 Initial Setting Changing Means 45 Display Means

Front page continued (72) Inventor Toshikazu Nakazawa 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. Inventor Kenji Hattori 1006, Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (72) Inventor Hirofumi Noma, Kadoma City, Osaka Prefecture 1006 Kadoma Matsushita Electric Industrial Co., Ltd. 1006 Kadoma, Matsushita Electric Industrial Co., Ltd.

Claims (2)

[Claims] 1. A heating means for heating a load, a control means for driving the heating means based on an initial set value or a predetermined set value changed thereafter, and an operating means for changing the predetermined set value. Display means for displaying the predetermined set value, storage means for storing the initial set value, and initial setting changing means for instructing a state change to the initial setting change state, the operating means and display means, When the change of the initial setting value is instructed by the initial setting changing unit, the initial setting value is changed and displayed, and when the change is finished, the initial setting value at that time is stored in the storage unit. Induction heating cooker. 2. A power source opening / closing means for controlling a power supply state of the power source, wherein the initial setting changing means is at least one of the operating means.
The induction heating cooker according to claim 1, which is realized by operating the power source opening / closing means while pressing one switch, and ends the initial setting change state by the subsequent operation of the power source opening / closing means.