JP2003294247A - Cooking device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cooking device wherein a current to the heater is fed with a door opened and a user is allowed to heat fried rice or the like while stirring it with the door opened. <P>SOLUTION: The cooking device is equipped with a heating chamber 3, a door 2 opening/closing an opening 3a of the heating chamber 3, a door switch 17 interlocking the opening/closing of the door 2, a heater 8 installed in the heating chamber, a heating source other than the heater 8, an input part 6b inputting the conditions of heating operation, a control part controlling the heating operation, a holding means keeping a door in an opening state and a selector switch 15 operated by the holding means. When holding the door 2 in an opening state with the holding means, a current is carried only in the heater 8 with the selector switch 15. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a cooking device.

[0002]

2. Description of the Related Art In heating a heater of a cooking device, the door is closed to heat the food, so that the food cannot be easily stirred or turned over.

[0003]

SUMMARY OF THE INVENTION The present invention provides a cooker capable of energizing a heater with a door open and allowing a user to cook while stirring a rice cooker while the door is open. To do.

The present invention is a cooker in which the heater can be energized with the door open, and information such as how to cook food is transmitted to the user during the heating operation of the heater with the door open. I will provide a.

[0005]

A first cooking device according to the present invention comprises a heating chamber, a door for opening and closing the opening of the heating chamber, and a door switch interlocking with the opening and closing of the door. A heater provided in the heating chamber, a heating source other than the heater, an input unit for inputting conditions for heating operation, a control unit for controlling the heating operation, and the door held in an open state. In a cooker provided with a holding means and a changeover switch operated by the holding means, when the holding means holds the door in an open state, only the heater can be energized by the changeover switch. And

Accordingly, when the holding means holds the door in the open state, the selector switch causes the heat to be transmitted.
Since only the heater can be energized, heating and cooking with the heater can be safely performed with the door open.

A second cooking device according to the present invention comprises a heating chamber,
A door for opening and closing the opening of the heating chamber, a door switch interlocking with the opening and closing of the door, a heater provided in the heating chamber, a heating source other than the heater, and conditions for heating operation are input. An input unit, a control unit for controlling the heating operation, a holding unit for holding the door in an open state, a changeover switch operated by the holding unit, and an information transmission unit for transmitting a cooking method and the like to the user. In the provided cooker, when the holding means holds the door in the open state, only the heater can be energized by the changeover switch,
In this energizable state, when the condition for heating and cooking by the heater is set by the input unit and the heating operation control is performed by the control unit, the control unit transmits the information during the heating operation control. It is characterized in that the cooking method and the like are transmitted to the user by means.

Accordingly, when the holding means holds the door in the open state, the selector switch causes the heat to be transmitted.
If the condition for heating and cooking by the heater is set in the input unit and the heating operation control is performed by the control unit in this energizable state, the control unit controls the heating operation control. On the way, since the cooking method and the like are transmitted to the user by the information transmitting means, the heating and cooking by the heater can be safely performed with the door open, and the user needs to cook the food. You can do things in a timely manner, and the cooking finish is good.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION A cooker according to an embodiment of the present invention will be described with reference to the drawings. 1 is a perspective view showing the appearance of the cooker according to the first invention, FIG. 2 is a state view in which the turntable of FIG. 1 is removed, and FIGS. 3 and 4 are cross-sectional views of essential parts of the cooker according to the first invention. FIG. 5 is a circuit diagram of the cooker of the first invention, FIG. 6 is a block diagram showing a configuration of a control circuit of the cooker of the first invention, and FIG.
Is a perspective view of the appearance of the cooker of the second invention, and FIG. 8 is a block diagram showing the configuration of the control circuit of the cooker of the second invention.

FIG. 1 will be described below. Cooker body 1
The heating chamber 3 is formed by covering the top surface and both side surfaces with a frame 7, and a door 2 for opening and closing the opening 3a of the heating chamber 3 is provided. Below the heating chamber 3, there is provided a turntable 5 on which food is placed. The door 2 is provided with a protrusion 2a. When the door 2 is closed, the projection 2a enters into the cooker body 1 through the hole 4a formed in the cavity front plate 4 and operates the door switch 17 (FIG. 4) arranged therein. An operation unit 6 is provided on the right side of the heating chamber 3. The operating section 6 includes a cooking time display section 6a and an input section 6 for cooking conditions and the like.
b, a power switch 6c, a start switch 6d, etc. are provided.

Next, FIG. 2 will be described. 2 is shown in FIG.
It is a figure in the state which removed the turntable 5 shown in FIG. A bottom surface heater 8 is provided at a lower portion of the heating chamber 3. A mounting portion 9a on which the turntable 5 is placed is provided at the center of the lower portion of the heating chamber 3.

Next, FIG. 3 showing a state in which the door 2 is closed will be described. The bottom plate 12 has a motor 10
Is fixed. A drive gear 11 is fixed to a rotary shaft 10a of the motor 10, and the drive gear 11 is meshed with a tooth groove formed on the shaft 9 of the turn table 5. The shaft 9 can move up and down, and a tip 9b of the shaft 9 is connected to a door lock knob 13 to hold a lever.
It abuts 14 and does not move downward. Therefore, when the turntable 5 is placed on the placing portion 9a, when the motor 10 rotates, the shaft 9 rotates and the turntable 5 rotates.

Next, FIG. 4 showing a state in which the door 2 is opened will be described. When the door 2 is opened and the door lock knob 13 is moved to the left by hand, the shaft 9 that is in contact with the holding lever 14 moves downward. When the door lock knob 13 is released, the holding lever-1 is pressed by the urging force of the compression spring 16.
The tip 14a of the No. 4 abuts on the shaft 9. Then, the front end portion 13a of the door lock knob 13 contacts the back surface of the door 2, and the open state of the door 2 is maintained. Therefore,
The holding means for holding the door 2 in the open state is the shaft 9
And a tip portion 13a of the door lock knob 13 and the holding lever 14. In the above state, the holding lever 14 holds the changeover switch 15 in the operating state.

Next, the circuit diagram of FIG. 5 will be described together with its operation. When the door 2 is opened, the door switch 1
7, the contact opens and turns off. When the holding means holds the door 2 in the open state, the contact of the changeover switch 15 is switched from 15a to 15b, the bottom heater 8 can be energized, and the high frequency oscillation circuit 22 is Magnetron (not shown) because it is not energized
Does not oscillate and microwaves are not supplied to the heating chamber 3. Even if the door 2 is closed, the bottom heater 8
Can be energized. The relay 21 controls the bottom heater 8. The monitor switch 19 short-circuits the fuse 20 when the door switch 17 and the main relay 18 are welded or malfunctions so that the high frequency oscillator circuit 22 is not energized when the door 2 is open. It is for

From the above description, the power switch 6c is pressed, the cooking conditions and the like are set by the input section 6b, the door 2 is held in the open state by the holding means, the turntable 5 is removed, and the door 5 is removed. Place a cooking tool such as a frying pan containing food on the bottom heater 8 and start switch 6d.
When is pressed to start heating, the microcomputer 23
(Hereinafter, referred to as a microcomputer) (FIG. 6) controls the bottom surface heater 8 and the like, so that the user can cook while stirring, such as a fried rice. At this time, the magnetron, which is a heating source other than the bottom heater 8, does not operate, so the user is safe. The heater is not limited to the bottom heater 8 of the embodiment, but may be a heater provided above the heating chamber 3, for example. In this case, cooking is performed by placing a cooking tool on the placing portion 9a. After the cooking using the bottom surface heater 8 is completed, pulling up the shaft 9 with a special metal fitting or the like causes the door lock knob 1 to be pulled.
3 returns, and the contact of the changeover switch 15 returns from 15b to 15a. The tip 9b of the shaft 9 abuts on the holding lever 14, so that the shaft 9 is fixed at a predetermined height. Therefore, when the turntable 5 is placed on the placing portion 9a, food is placed on the turntable 5 by ordinary heating such as microwave heating and the turntable is placed on the turntable 5. You can cook Bull 5 by rotating it.

Next, a block diagram showing the configuration of the control circuit of the cooking device shown in FIG. 6 will be described. In the microcomputer 23, an input signal from the input unit 6b such as cooking conditions provided in the operation unit 6,
The opening / closing signal of the door switch 17, the switching signal of the changeover switch 15, the input signal of the start switch 6d, etc. are input, and the microcomputer 23, based on the above input signals, the cooking time display section 6a provided in the operation section 6. , The bottom heater 8 and the high frequency oscillator 22 are controlled.

Next, FIG. 7 which is an external perspective view of the cooker of the second invention will be described below. For FIG. 7, FIG.
Only the differences from The operation section 6 is provided with an information display section 6e which is an information transmission means for transmitting a cooking method and the like to the user during the heating operation.

Next, a block diagram showing the configuration of the control circuit of the cooker of the second invention of FIG. 8 will be described. The microcomputer 24 (hereinafter referred to as a microcomputer) has an input signal from the input section 6b such as cooking conditions provided in the operation section 6,
The opening / closing signal of the door switch 17, the switching signal of the changeover switch 15, the input signal of the start switch 6d, etc. are input, and the microcomputer 24, based on the above input signals, the cooking time display section 6a provided in the operation section 6 , Information display section 6
e, the bottom heater 8 and the high frequency oscillation circuit 22 are controlled.

Next, heating and cooking will be described. Press the power switch 6c and set cooking conditions etc. with the input section 6b,
The door 2 is held in the open state by the holding means, the turntable 5 is removed, and a cooking tool such as a frying pan containing food is placed on the bottom heater 8 to form a star.
When the toggle switch 6d is pushed, the bottom heater 8 is energized, and the microcomputer 24 starts controlling the heating operation.
Then, according to a preset program, inside of the heating operation control, the information such as the turning over of the food and the timing of stirring (for example, after 10 minutes) are displayed on the information display unit 6e and transmitted to the user. The user looks at the display content displayed on the information display section 6e and manipulates the food. During the heating operation, magnetrons other than the bottom heater 8 which are heating sources do not operate. Therefore, with the door open,
The cooking can be safely performed with the ta, and the user can do the necessary things in cooking the food in good timing, and the cooking finish is improved. In addition, by providing the temperature detecting means of the food, the microcomputer 24 determines the turning over of the food, the timing of stirring, etc. based on the detected temperature, and displays the turning over and stirring of the food in the information display section 6e. There is also a way to communicate to the person. Also, as a means of transmitting information such as inside out of food and timing of stirring,
Besides the display, there is also sound.

[Brief description of drawings]

FIG. 1 is an external perspective view of a cooking device according to a first invention.

FIG. 2 is an external perspective view of the cooking device when the turntable is removed.

FIG. 3 is a cross-sectional view of essential parts when the door of the cooking device is closed.

FIG. 4 is a cross-sectional view of essential parts when the door of the cooking device is opened.

FIG. 5 is a circuit diagram of the cooking device.

FIG. 6 is a block diagram showing a configuration of the control circuit.

FIG. 7 is an external perspective view of the cooking device according to the second invention.

FIG. 8 is a block diagram showing a configuration of a control circuit of the cooking device.

[Explanation of symbols]

1 cooker body Two doors 3 heating chambers 5 tan table 6 Operation part 6b Input section 6d start switch 6e Information display section 8 Bottom heater 10 Motor Micro Computer 13 Door lock knob 14 Holding lever 15 Changeover switch 17 door switch 22 High frequency oscillator 23 Micro Computer 24 Micro Computer

Claims (2)

[Claims] 1. A heating chamber, a door that opens and closes an opening of the heating chamber, a door switch that interlocks with the opening and closing of the door, a heater provided in the heating chamber, and a heating source other than the heater. In a cooker including an input unit for inputting a condition of heating operation, a control unit for controlling the heating operation, a holding unit for holding the door in an open state, and a changeover switch operated by the holding unit. The cooking device, wherein when the holding means holds the door in the open state, only the heater can be energized by the changeover switch. 2. A heating chamber, a door for opening and closing the opening of the heating chamber, a door switch interlocking with opening and closing of the door, a heater provided in the heating chamber, and a heating source other than the heater. And an input unit for inputting conditions of heating operation, a control unit for controlling the heating operation, holding means for holding the door in an open state, a changeover switch operated by the holding means, a cooking method, etc. In the cooker provided with the information transmitting means for transmitting to the person, when the holding means holds the door in the open state, only the heater can be energized by the changeover switch. -When the heating operation control by the control unit is set by the input unit and the heating operation control is performed by the control unit, the control unit allows the user to select the cooking method or the like by the information transmission unit during the heating operation control. Cooker characterized by transmitting to.