JP2853569B2 - High frequency heating equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a high-frequency heating apparatus (ie, a microwave oven) having a rice porridge rice cooking function.

[0002]

2. Description of the Related Art Recently, a microwave oven (particularly, a toaster range) having a rice porridge rice cooking function in addition to a rice cooking function has been provided.

Since porridge has a feeling of being full and low in calories and is easily digested, it has been recognized not only as a conventional diet for sick people and baby food for infants but also as a healthy food for ordinary people. Under such circumstances, a rice porridge rice cooking function is added to a toaster range or the like as described above.

[0004]

There are two types of cooking methods: cooking rice porridge, cooking from rice, and cooking from rice. I do.

[0005] That is, when cooking rice porridge from rice,
It is necessary to cook rice for a relatively long period of time after making the rice absorb enough water, and then boil it slowly for a relatively long time. There is a difference that the raising time may be short.

Therefore, the cooking sequence must be changed between cooking from rice and cooking from rice. However, in the conventional toaster range, only a fixed cooking sequence is set. There was a problem that such a request could not be handled.

[0007] The present invention has been made in view of the above points, and is intended to be able to cook in an optimal heating cooking sequence when cooking porridge from rice or when cooking porridge from rice. The purpose is to do so.

[0008]

According to a first basic configuration of the present invention, a plurality of cooking menu setting keys for arbitrarily selecting and setting each of a plurality of cooking menus including a porridge rice cooking menu, and a cooking output by a microwave output. A high-frequency heating device comprising: a heating cooking unit that heats an object; and a heating control unit that sets and controls a heating cooking sequence of the heating cooking unit in accordance with the cooking menu selected and set by each of the cooking menu setting keys. As the cooking sequence of the rice porridge menu, the first rice porridge rice heating sequence in which porridge rice is cooked from rice by omitting the water absorption step and the second rice porridge rice heating sequence in which rice porridge is cooked from rice by executing the water absorption step And the first or second cooking menu setting key corresponding to the porridge rice menu. Is characterized in that annexed the selected setting means for selecting setting of the second porridge rice heating sequence.

A second basic configuration of the present invention is a plurality of cooking menu setting keys for arbitrarily selecting and setting each of a plurality of cooking menus including a porridge rice cooking menu, and heating cooking for heating an object to be cooked by microwave output. And a heating control means for setting and controlling the cooking sequence of the cooking means in accordance with the cooking menu selected and set by each of the cooking menu setting keys, wherein the heating of the porridge rice cooking menu is performed. As a cooking sequence, there is provided a first rice porridge rice heating sequence in which porridge rice is cooked from rice by omitting the water absorption step, and a second rice porridge rice heating sequence in which rice porridge is cooked from rice by performing the water absorption step. Weight detection means for detecting the weight of the food, and operation of a cooking menu setting key corresponding to the porridge rice cooking menu. It is characterized in that it has attached a selection setting means for selecting settings of the first or second porridge cooking heating sequence, based on the weight information from said weight detection means at the time.

[0010] A third basic configuration of the present invention comprises a plurality of cooking menu setting keys for arbitrarily selecting and setting each of a plurality of cooking menus including a porridge rice cooking menu, and heating cooking for heating an object to be cooked by microwave output. And a heating control means for setting and controlling the cooking sequence of the cooking means in accordance with the cooking menu selected and set by each of the cooking menu setting keys, wherein the heating of the porridge rice cooking menu is performed. As a cooking sequence, there is provided a first rice porridge rice heating sequence in which porridge rice is cooked from rice by omitting the water absorption step, and a second rice porridge rice heating sequence in which rice porridge is cooked from rice by performing the water absorption step. Humidity detection means for detecting the amount of steam generated from the food as an increase in humidity; It is characterized in that it has attached a selection setting means for selecting settings of the first or second porridge cooking heating sequence on the basis of the humidity information from the humidity detecting means during operation of the cooking menu setting keys to.

[0011]

According to the first basic configuration of the present invention, the first rice porridge heating sequence in which porridge rice is cooked from rice by omitting the water absorption step or the second rice porridge rice cooker in which rice porridge is cooked from rice by executing the water absorption step The heating sequence is selected and set by the selection setting means, and the heating and cooking means is controlled by the heating control means based on the porridge rice cooking heating sequence thus selected and set, so that not only rice porridge from rice but also rice porridge from rice is optimal. The porridge is cooked by the heating cooking sequence.

According to a second basic configuration of the present invention, a first rice porridge heating sequence or a water absorption step in which rice porridge is cooked from rice without a water absorption step based on the weight information of the object to be cooked from the weight detection means. And a second rice porridge heating sequence for cooking rice with porridge from rice is selected and set by the selection setting means, and the heating and cooking means is controlled by the heating control means based on the selected and set heating and cooking sequence. Not only rice porridge but also rice porridge from rice is cooked by the optimal cooking sequence. For example, the cooked rice from rice is heavier than the cooked rice from rice, so that the weight information obtained from the weight detecting means is "smaller" or "weight" than the reference value. If it is determined to be "large," the porridge is cooked in a heating cooking sequence corresponding to rice porridge cooking from rice or rice porridge cooking from rice.

According to a third basic configuration of the present invention, a first rice porridge heating sequence or a water absorption step of omitting a water absorption step and cooking rice with porridge based on humidity information from a humidity detecting means is executed. A second rice porridge rice heating sequence for rice porridge cooking is selected and set by the selection setting means, and the heating cooking means is controlled by the heating control means based on the selected and set heating cooking sequence, and only rice porridge rice from rice is cooked. In addition, rice porridge from rice is cooked by the optimal cooking sequence. For example, the amount of increase in humidity in the early stage of rice cooking is lower in rice porridge cooking than in rice porridge cooking compared with rice, and the humidity information obtained from the humidity detecting means (i.e., the amount of humidity increase) is a reference. If the value is determined to be "large" or "small", the rice porridge is cooked according to a heating cooking sequence corresponding to rice porridge cooking from rice or rice porridge cooking from rice, respectively.

[0014]

According to the present invention, a first rice porridge heating sequence in which rice porridge is cooked from rice by omitting the water absorption step or a second rice porridge rice heating sequence in which rice porridge is cooked from rice by performing the water absorption step Can be set, so that not only rice porridge from rice but also rice porridge from rice can be cooked by the optimal cooking sequence, and delicious from both rice and rice There is an excellent effect that porridge can be obtained.

[0015]

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings.

Embodiment 1 FIG. 1 shows the overall structure of a high-frequency heating device according to a first embodiment of the present invention. The high-frequency heating device has a heating chamber (that is, a food storage) inside. 2 is provided.

At the bottom of the heating chamber 2, a turntable 3 for mounting an object to be cooked is rotatably installed. A door 5 having a finder portion 5a is attached to the front opening 2a of the heating chamber 2 so as to be openable and closable in the vertical direction. Further, a door switch 4 is provided at an edge of the front side opening 2a corresponding to the door 5.

On the other hand, on the right side of the front side opening 2a on the front side of the box 1, an operation panel section 6 for operating and controlling various functions of the high-frequency heating device is provided. As shown in FIG. 2, for example, as shown in FIG. 2, the operation panel unit 6 includes a display unit (liquid crystal display unit) 7 and a heating time setting key group 8 for a manual menu (8 A for 5 minutes, 1 minute). Cooking menu setting keys 9 corresponding to various cooking menus (including a range strong key 9A and a range weak key 9).
B, toaster key 9C, thawing key 9D, pizza heating key 9E, warming / start key 9F, and taking out key 9
G, a milk warming key 9H, a liquor key 9I, and a rice porridge rice cooking key 9J).

For example, when the above-mentioned various operation keys are turned ON, various selection setting states are displayed on the display section 7 of the operation panel section 6.

As shown in FIG. 3, a display unit 7 and a group of keys 8 and 9 in the operation panel unit 6 include a control unit 10 for controlling a microwave oven, which is mainly composed of a microcomputer, and a data bus and a control bus. The input and output signals can be freely transmitted and received.

As shown in FIG. 3, the object to be heated (for example, rice and water) in a container 11 placed on a turntable 3 in the heating chamber 2 is provided inside the box 1. (Rice and water)
A magnetron 12 for heating by radiating and absorbing microwaves, and a heater 1 for heating an object to be heated in the heating chamber 2 by irradiating infrared rays as necessary.
3 and a ventilation fan 14 are provided. In this embodiment, the magnetron 12 and the heater 13
Function as heating cooking means.

A turntable motor drive circuit 16 is provided between the control unit 10 and a turntable motor 15 which is a drive source of the turntable 3, and a magnetron drive unit is provided between the control unit 10 and the magnetron 12. 17 further includes the control unit 10 and the heater 13
And a fan motor drive circuit 20 between the control unit 10 and a fan motor 19 which is a drive source of the fan 14.

The rotation shaft of the turntable 3 includes:
A weight sensor 21 acting as a weight detecting means for detecting the weight of the object to be heated placed on the turntable 3 is provided. As the weight sensor 21, for example, a capacitance measuring type or a strain gauge type is adopted. A power supply circuit 22 distributes and supplies a power supply voltage from an AC power supply 100 (V) to the magnetron drive unit 17, the turntable motor drive circuit 16, and the fan motor drive circuit 20.

Further, an outside air inlet 23 is formed on one side wall 1a of the box body 1 and an exhaust port 24 is formed on the other side wall 1b, and the outside air inlet 24 is formed on both side walls 2b and 2c of the heating chamber 2. Ventilation ports 25 and 26 communicating with the introduction port 23 and the exhaust port 24 are formed respectively.

The outside air inlet 23 and the vent 25
The fan 14 and the magnetron 12 described above are disposed on the upstream side and the downstream side, respectively, in the space between the outside air and the outside air introduced from the outside air inlet 23 by driving the fan 14. As indicated by the arrows, after cooling the magnetron 12, the odor and water vapor during cooking are absorbed through the upper part of the heating chamber 2 and the ventilation port 26 and the exhaust port 24.
It is designed to be discharged outside through the. The ventilation port 26 and the exhaust port 24 are communicated with each other by a duct 27. In the middle of the duct 27, the duct 27 functions as humidity detecting means for detecting humidity during heating, boiling, and keeping heat. Humidity sensor 28 is provided.
Reference numeral 29 denotes a temperature sensor for detecting an outside air temperature, and reference numeral 30 denotes a temperature sensor for detecting an inside temperature.

The output signals from the weight sensor 21, the humidity sensor 28, and the temperature sensors 29, 30 are
The data is input to the control unit 10 via the detection unit 31 and stored in the memory.

The control unit 10 in this embodiment includes a cooking menu setting means for selecting and setting the cooking menu based on the ON operation of the cooking menu setting key corresponding to the cooking menu to be cooked in the cooking menu setting key group 9. Heating control means for setting and controlling the heating cooking sequence of the magnetron 12 or the heater 16 in accordance with the cooking menu selected and set by the cooking menu setting means. The corresponding heating control is executed.

By the way, in the case of rice cooked with porridge, there is a large difference in the amount of water contained between cooking from rice and cooking from rice, so it is necessary to change the heating state. It is necessary to provide two types of cooking sequences. In the case of this embodiment,
FIG. 5 shows a cooking sequence during cooking rice with porridge.
Two types of sequences as shown in (a) and (b) are provided. In the case shown in FIG. 5 (a) (that is, when cooking from rice),
After a water absorption process is provided to allow the rice to absorb water sufficiently, the cooking process is also relatively long. On the other hand, in the case shown in FIG. 5B (that is, when cooking from rice), the water absorption step is omitted, the cooking step is started immediately, and the cooking step is also shorter than in the case of rice.

Therefore, the control unit 1 in this embodiment is
0, two types of porridge rice heating sequence are provided, and two types of porridge rice heating sequence (that is, the water absorption step is omitted) in accordance with the number of ON operations of the porridge rice key 9J (for example, once or twice). Selection setting means for selecting and setting a first rice porridge rice heating sequence for performing rice porridge cooking from rice or a second rice porridge rice heating sequence for executing rice porridge rice by performing a water absorption step). For example, turn on the rice porridge rice key 9J once
At the time of operation, the first rice porridge rice heating sequence for cooking rice porridge from rice is selected, and rice porridge rice setting key 9J
Cook rice porridge from rice during 2 times ON operation
The rice porridge cooking rice heating sequence is selected.

Next, the control unit 10 in the present embodiment
The details of the rice porridge rice cooking control according to will be described in detail with reference to the flowchart of FIG.

[0031] When the door switch 4 now door 5 becomes from the open state to the closed state is turned ON, the control operation start of the control unit 10, the operation data of each cooking menu setting keys 9A~9J in step S ₁ Is entered.

Next, based on said respective input data, porridge rice key 9J in step S ₂ is of whether it is turned ON determination is made. As a result, rice porridge rice key 9J
Is determined not to be ON (that is, a negative determination), the control by the control unit 10 ends without executing the rice porridge rice heating sequence described below.

On the other hand, when it is determined that the rice porridge rice key 9J is turned on (ie, a positive determination), step S _{3 is performed.}
Or proceeds to step S _10, ON operation count of porridge cooking key 9J a determination is made whether one or two times. That is,
It is determined whether the porridge the user is trying to cook is from rice or rice.

[0034] As a result, when the ON operation count of porridge cooking key 9J is once enters immediately炊上up step is omitted water step as in the sequence shown in FIG. 5 (b), in step S ₄ The output duty ratio of the magnetron 12 is set to the maximum output 16/16 = 500 (W), the range heating is executed, and the cooking is performed with full power.

[0035] Then, the detected value V is an input from the humidity sensor 28 in step S _5, the following step S predetermined set value to which the detected value V indicates that the object to be heated is in the boiling state at ₆ 60H It is determined whether or not the above has been achieved.

The result of the determination, if the determination is Yes (i.e., when it is determined that the object to be heated is in the boiling state), the process proceeds to step S _7, the magnetron 12
Is reduced to 5/16 = approximately 150 (W), and the set time t ₃ = 20, which is considerably shorter than the second rice porridge rice heating sequence in which rice porridge is cooked from rice as described below.
A minute range heating is performed.

[0037] After that, the heating time in step S ₈ t
₃ (i.e., 20 minutes) is determined the course of, when the heating time t ₃ has elapsed, the magnetron 12 is porridge炊上up from rice is OFF ends at step S _9.

As described above, the first rice porridge heating sequence in which rice porridge is cooked from the rice selected by a single ON operation of the rice porridge rice cooking key 9J is automatically performed in an optimal cooking state. It is done.

On the other hand, if the porridge cooking key 9J in step S ₁₀ that is twice ON operation is determined, the recognized as porridge cooking is selected from rice, the control sequence (see FIG. 5a corresponding thereto ) the first enters the water absorption step, the output duty ratio of the magnetron 12 in step S ₁₁ is set to 5/16 = about 0.99 (W),
Water absorption heating is performed for a set time t ₁ = 5 minutes. Thereafter, water heating time t ₁ (i.e., 5 minutes) in step S ₁₂ it is determined the course of, when the water heating time t ₁ has elapsed, once setting the magnetron 12 is OFF time in step S ₁₃ t ₂ = 5 The immersion state at a predetermined temperature is continued for a minute, and sufficient water absorption is performed.

Next, the immersion time in step S ₁₄
t ₂ (i.e., 5 minutes) is determined the course of, when the soaking time t ₂ has elapsed,炊上up process proceeds to step S ₁₅ the maximum output duty ratio of the magnetron 12 is output at 16 /
16 = 500 (W) is set and the range heating is executed,
It can be cooked with full power.

[0041] Then, the detected value V is an input from the humidity sensor 28 in step S _16, the next step S predetermined set value to which the detected value V indicates that the object to be heated is in the boiling state at ₁₇ 60H It is determined whether or not the above has been achieved.

The result of the determination, if the determination is Yes (i.e., when it is determined that the object to be heated is in the boiling state), the process proceeds to step S _18, the magnetron 1
The output duty ratio of 2 is reduced to 6/16 = approximately 180 (W), and the set time t ₄ = longer than the first rice porridge heating sequence in which rice porridge is cooked from rice as described above.
Range heating for 40 minutes is performed.

[0043] After that, the heating time t ₄ in step S ₁₉
(I.e., 40 minutes) is determined the course of, when the heating time t ₄ has passed, the magnetron 12 in step S ₂₀ is O
FF is done and rice porridge cooking is finished.

As described above, the rice porridge is cooked by the second ON operation of the rice porridge rice key 9J, and the rice porridge is automatically cooked in the optimum cooking state by the second rice porridge heating sequence in which rice porridge is cooked. It is done.

Embodiment 2 In the case of this embodiment, the control unit 10 selects and sets the cooking menu based on the ON operation of the cooking menu setting key corresponding to the cooking menu to be cooked in the cooking menu setting key group 9. A cooking menu setting unit; and a heating control unit for setting and controlling a heating cooking sequence of the magnetron 12 or the heater 16 in accordance with the cooking menu selected and set by the cooking menu setting unit. Similarly, two types of heating cooking sequences, that is, rice porridge cooking from rice and rice porridge cooking from rice (that is, the first rice porridge rice cooking heating sequence in which rice porridge is cooked from rice without the water absorption step or water absorption) The second process of cooking rice with porridge from rice
Rice cooking rice heating sequence) and selection setting means for selecting and setting the two types of heating cooking sequences based on the weight information from the weight sensor 21 when the porridge rice cooking key 9J is turned on. . In other words, the weight of the object to be heated (that is, rice + water or rice + water) contained in the container 11 having a predetermined capacity is different between the case of rice porridge cooked from rice and the case of rice porridge cooked from rice. Focusing on, if the weight of the object to be heated is lighter than a predetermined set value, it is determined to be rice porridge cooked from rice, and if the weight of the object to be heated is heavier than the set value, rice porridge cooked with rice The decision is made. Therefore, in the case of this embodiment,
The type of rice porridge can be automatically determined simply by placing the container 11 containing the object to be heated on the turntable 3 and turning on the rice porridge rice cooking key 9J. The other configuration is the same as that of the first embodiment, and the description is omitted to avoid duplication.

Next, the control unit 10 in this embodiment is
The details of the rice porridge rice cooking control according to will be described in detail with reference to the flowchart of FIG.

[0047] When the door switch 4 now door 5 becomes from the open state to the closed state is turned ON, the control operation start of the control unit 10, the operation data of each cooking menu setting keys 9A~9J in step S ₁ Is entered.

Next, based on said respective input data, porridge rice key 9J in step S ₂ is whether a judgment has been turned ON is made. As a result, rice porridge rice key 9J
Is determined not to be ON (that is, a negative determination), the control by the control unit 10 ends without executing the rice porridge rice heating sequence described below.

On the other hand, when it is determined that the rice porridge rice key 9J is ON (ie, a positive determination), step S ₃
Detection value G from the weight sensor 21 are input, followed by comparison between the detection value G and a predetermined set value Gs in step S ₄ is made at. Here, the set value Gs is appropriately set based on the total weight of rice or rice and water that can be stored in the container 11.

[0050] As a result, if it is determined that G <Gs in step S ₄ (i.e., when it is determined that the porridge rice from rice), the skip water process according to the control sequence shown in FIG. 5 (b) immediately it enters the炊上up step Te, an output duty ratio of the magnetron 12 in step S ₅ is set to the maximum output 16/16 = 500 (W) ranges heating is performed, raised炊at full power.

[0051] Then, the detection value V from the humidity sensor 28 is input in step S _6, the following step S predetermined set value to which the detected value V indicates that the object to be heated is in the boiling state at ₇ 60H It is determined whether or not the above has been achieved.

[0052] The above determination result, if an affirmative determination is made (i.e., when it is determined that the object to be heated is in the boiling state), the process proceeds to step S _8, the magnetron 12
Is reduced to 5/16 = approximately 150 (W), and the set time t ₃ = 20, which is considerably shorter than the second rice porridge rice heating sequence in which rice porridge is cooked from rice as described below.
A minute range heating is performed.

[0053] After that, the heating time in step S ₉ t
₃ (i.e., 20 minutes) is determined the course of, when the heating time t ₃ has elapsed, the magnetron 12 in step S ₁₀ is the porridge炊上up from rice is OFF to end.

As described above, rice porridge is cooked by the first rice porridge heating sequence in which rice porridge is cooked from rice automatically in an optimum cooking state.

On the other hand, if it is determined that G ≧ Gs in step S ₄ (i.e., when it is determined that the porridge rice from rice), the first water according to the control sequence shown in FIGS. 5 (a) corresponding thereto enters the process, the output duty ratio of the magnetron 12 in step S ₁₁ is set to 5/16 = about 0.99 (W), it is performed the set time t ₁ = 5 min of the water heating. Thereafter, water heating time t ₁ (i.e., 5 minutes) in step S ₁₂ the course of is determined, the water heating time
When t ₁ has elapsed once the magnetron 12 is continued immersion state of just under a predetermined temperature setting is OFF time t ₂ = 5 minutes, sufficient water is performed in step S _13.

Next, the immersion time in step S ₁₄
t ₂ (i.e., 5 minutes) is determined the course of, when the soaking time t ₂ has elapsed,炊上up process proceeds to step S ₁₅ the maximum output duty ratio of the magnetron 12 is output at 16 /
16 = 500 (W) is set and the range heating is executed,
It can be cooked with full power.

[0057] Then, the detected value V is an input from the humidity sensor 28 in step S _16, the next step S predetermined set value to which the detected value V indicates that the object to be heated is in the boiling state at ₁₇ 60H It is determined whether or not the above has been achieved.

[0058] The above determination results, when a positive determination is made (i.e., when it is determined that the object to be heated is in the boiling state), the process proceeds to step S _18, the magnetron 1
The output duty ratio of No. 2 is reduced to 6/16 = approximately 180 (W), and the range heating is performed for a set time t ₄ = 40 minutes which is sufficiently longer than the rice porridge cooking sequence described above.

[0059] After that, the heating time t ₄ in step S ₁₉
(I.e., 40 minutes) is determined the course of, when the heating time t ₄ has passed, the magnetron 12 in step S ₂₀ is O
FF is done and rice porridge cooking is finished.

As described above, rice porridge cooked by the second rice porridge cooked rice heating sequence in which rice porridge is cooked from rice is automatically performed in an optimal cooking state. Third Embodiment In the case of the present embodiment, the control unit 10 selects and sets the cooking menu based on the ON operation of the cooking menu setting key corresponding to the cooking menu to be cooked in the cooking menu setting key group 9. Means, and heating control means for setting and controlling the heating cooking sequence of the magnetron 12 or the heater 16 in accordance with the cooking menu selected and set by the cooking menu setting means, and as in the first embodiment, Two types of heating cooking sequences, ie, rice porridge cooking from rice and rice porridge cooking from rice (that is, the first rice porridge rice heating sequence or water absorption step in which rice porridge is cooked from rice by skipping the water absorption step) To cook rice with porridge from rice
Rice cooking rice heating sequence), and a selection setting means for selecting and setting the two types of heating cooking sequences based on the humidity information from the humidity sensor 28 when the rice porridge rice cooking key 9J is turned on. .

By the way, in the case of rice cooked with porridge from rice and the case of rice cooked with porridge from rice, the appearance of humidity at the time of heating is different, and is detected by the humidity sensor 28 as shown in FIG. that time the humidity V reaches a predetermined detection level Vs is, for porridge rice from rice (i.e., time t ₅₎ when the porridge cooking from rice (i.e., time t ₆₎ the de phase different (i.e., t ₅ <t ₆ ). Therefore, paying attention to the way of the humidity, when the way of the humidity is fast, it is determined that the rice is porridge from rice, and when the way of the humidity is low, it is determined to be rice porridge from rice. . In the case of the present embodiment, after ON operation of the rice porridge rice cooking key 9J, the magnetron 12 is operated at full power, and the type of rice porridge is automatically determined only by judging how to output humidity based on the humidity information from the humidity sensor 28. Will be done. The other configuration is the same as that of the first embodiment, and the description is omitted to avoid duplication.

Next, the control unit 10 in the present embodiment
The details of the rice porridge rice cooking control according to will be described in detail with reference to the flowchart of FIG.

[0063] When the door switch 4 now door 5 becomes from the open state to the closed state is turned ON, the control operation start of the control unit 10, the operation data of each cooking menu setting keys 9A~9J in step S ₁ Is entered.

Next, based on said respective input data, porridge rice key 9J in step S ₂ is whether a judgment has been turned ON is made. As a result, rice porridge rice key 9J
Is determined not to be ON (that is, a negative determination), the control by the control unit 10 ends without executing the rice porridge rice cooking sequence described later.

On the other hand, when it is determined that the porridge rice cooker key 9J is ON (ie, a positive determination), step S ₃
, The output duty ratio of the magnetron 12 is 16 /
16 = 500 is set to the full power of (W), followed detection value V from the humidity sensor 28 in step S ₄ and is input, the detected value V in the subsequent step S ₅ and S ₁₀
A comparison with a predetermined time described above as the time t to reach the set value Vs t ₅ or time t ₆ is made.

[0066] As a result, when it is determined that t = t ₅ in step S ₅ (i.e., when it is determined that the porridge rice from rice), the immediately enters炊上up process, the output duty ratio of the magnetron 12 Maximum output 16/16 = 500
Range heating of (W) is continued.

[0067] Then, the detection value V from the humidity sensor 28 in step S ₆ is determined whether the object to be heated becomes the predetermined setting value 60H least showing that has a boiling state is made.

[0068] The above determination result, if an affirmative determination is made (i.e., when it is determined that the object to be heated is in the boiling state), the process proceeds to step S _7, the magnetron 12
Is reduced to 5/16 = approximately 150 (W), and the range heating is performed for a setting time t ₃ = 20 minutes, which is considerably shorter than the rice porridge cooking sequence described later.

[0069] Thereafter, the heating time in step S ₈ t
₃ (i.e., 20 minutes) is determined the course of, when the heating time t ₃ has elapsed, the magnetron 12 is porridge炊上up from rice is OFF ends at step S _9.

As described above, rice porridge cooking by the rice porridge rice cooking sequence is automatically performed in an optimum cooking state.

[0071] On the other hand, if it is determined that t = t ₆ at step S ₁₀ (i.e., when it is determined that the porridge rice from rice), the first water-absorbing step by the control sequence (see FIG. 5a) corresponding thereto enters, output duty ratio of the magnetron 12 in step S ₁₁ 5/16 = about 1
The temperature is reduced to 50 (W), and water absorption heating is performed for a set time t ₁ = 5 minutes. Thereafter, water heating time in step S ₁₂
The passage of t ₁ (that is, 5 minutes) is determined, and the water absorption heating time t ₁ is determined.
There after a lapse of, once the magnetron 12 in step S ₁₃ is continued immersion state of just under a predetermined temperature setting is OFF time t ₂ = 5 minutes, sufficient water is carried out.

Next, the immersion time in step S ₁₄
t ₂ (i.e., 5 minutes) is determined the course of, when the soaking time t ₂ has elapsed,炊上up process proceeds to step S ₁₅ the maximum output duty ratio of the magnetron 12 is output at 16 /
16 = 500 (W) is set and the range heating is executed,
It can be cooked with full power.

[0073] Then, the detected value V is an input from the humidity sensor 28 in step S _16, the next step S predetermined set value to which the detected value V indicates that the object to be heated is in the boiling state at ₁₇ 60H It is determined whether or not the above has been achieved.

[0074] The above determination results, when a positive determination is made (i.e., when it is determined that the object to be heated is in the boiling state), the process proceeds to step S _18, the magnetron 1
The output duty ratio of No. 2 is reduced to 6/16 = approximately 180 (W), and the range heating is performed for a set time t ₄ = 40 minutes which is sufficiently longer than the rice porridge cooking sequence described above.

[0075] After that, the heating time t ₄ in step S ₁₉
(I.e., 40 minutes) is determined the course of, when the heating time t ₄ has passed, the magnetron 12 in step S ₂₀ is O
FF is done and rice porridge cooking is finished.

As described above, rice porridge cooking in a rice porridge rice cooking sequence is automatically performed in an optimal cooking state.

[Brief description of the drawings]

FIG. 1 is a perspective view of a high-frequency heating device according to a first embodiment of the present invention, showing a structure of a door opened.

FIG. 2 is an enlarged front view of an operation panel unit in the high-frequency heating device according to the first embodiment of the present invention.

FIG. 3 is a system block diagram illustrating a configuration of a control circuit in the high-frequency heating device according to the first embodiment of the present invention.

FIG. 4 is a flowchart illustrating the content of rice porridge cooking control by the high-frequency heating device according to the first embodiment of the present invention.

FIG. 5 is a time chart showing two types of rice porridge rice cooking sequences by the high-frequency heating device according to the first embodiment of the present invention.

FIG. 6 is a flowchart showing the content of rice porridge cooking control by the high-frequency heating device according to the second embodiment of the present invention.

FIG. 7 is a flowchart showing the content of rice porridge cooking control by the high-frequency heating device according to the third embodiment of the present invention.

FIG. 8 is a characteristic diagram showing the appearance of humidity during porridge cooking from rice and during porridge cooking from rice.

[Explanation of symbols]

1 is a box, 2 is a heating room, 3 is a turntable, 6 is an operation panel unit, 9 is a cooking menu setting key group, 9J is porridge rice cooking key, 10 is a control unit, 11 is a container, 12 is a magnetron, and 17 is A magnetron driving unit, 21 is a weight detecting means (weight sensor), and 28 is a humidity sensor.

Continuation of the front page (58) Field surveyed (Int. Cl. ⁶ , DB name) F24C 7/02 340 F24C 7/02 315 F24C 7/02 325

Claims (3)

(57) [Claims] 1. A plurality of cooking menu setting keys for arbitrarily selecting and setting each of a plurality of cooking menus including a porridge rice cooking menu, heating cooking means for heating an object to be cooked by microwave output, and heating cooking means. A heating control means for setting and controlling a heating cooking sequence in accordance with the cooking menu selected and set by each of the cooking menu setting keys, wherein a water absorption step is performed as the heating cooking sequence of the rice porridge rice menu. Please omit
The first rice porridge rice cooking sequence that cooks rice porridge from rice
Porridge rice cooked from rice by performing water absorption process
In addition to providing a rice porridge rice heating sequence , operation of the cooking menu setting key corresponding to the rice porridge rice cooking menu
High frequency heating apparatus characterized by annexed the selected setting means for selecting settings of the first or second porridge cooking heating Sea <br/> cans according to work. 2. A plurality of cooking menu setting keys for arbitrarily selecting and setting each of a plurality of cooking menus including a rice porridge menu, heating cooking means for heating an object to be cooked by microwave output, and heating cooking means. A heating control means for setting and controlling a heating cooking sequence in accordance with the cooking menu selected and set by each of the cooking menu setting keys, wherein a water absorption step is performed as the heating cooking sequence of the rice porridge rice menu. Please omit
The first rice porridge rice cooking sequence that cooks rice porridge from rice
Porridge rice cooked from rice by performing water absorption process
Provided with a porridge cooking heating sequence, based on said weight information from said weight detection means and the weight detecting means for detecting the weight of the food, during operation of the cooking menu setting key corresponding to the porridge cooking menu First
Alternatively , a high-frequency heating apparatus is provided with selection setting means for selecting and setting a second rice porridge rice heating sequence. 3. A plurality of cooking menu setting keys for arbitrarily selecting and setting each of a plurality of cooking menus including a porridge rice menu, a heating means for heating an object to be cooked by microwave output, and a heating means for the heating means. A heating control means for setting and controlling the heating cooking sequence in accordance with the cooking menu selected and set by each of the cooking menu setting keys, wherein a water absorption step is performed as the heating cooking sequence of the porridge rice cooking menu. Please omit
The first rice porridge rice cooking sequence that cooks rice porridge from rice
Porridge rice cooked from rice by performing water absorption process
Provided with a porridge cooking heating sequence, and humidity detecting means for detecting the amount of steam generated from the food as increase in humidity, the humidity detecting means during operation of the cooking menu set key corresponding to the porridge cooking menu The first or second rice porridge based on humidity information from
A high-frequency heating apparatus, further comprising selection setting means for selecting and setting a rice cooking heating sequence.