JP4988222B2 - Cooker - Google Patents

Description

  The present invention relates to a cooking device such as an electric steam microwave oven, oven, or microwave oven.

  Recently, vacuum cooking has attracted attention. Vacuum cooking is a cooking method that began in France. It is a method in which ingredients and seasonings necessary for cooking are put in containers and bags, the air is evacuated, and they are immersed in hot water for a certain period of time. The feature is that the inside of the container and the bag is evacuated, so that the flavor and taste of the material are confined and the taste permeates uniformly.

  Conventional heating cooking devices (products) related to vacuum cooking include a vacuum cooking machine, a water bath, and the like.

  Moreover, as a domestic cooking device related to vacuum cooking, as shown in Patent Document 1, it is intended to perform vacuum cooking by high-frequency irradiation, and heat cannot reach the inside of food and cannot be cooked conventionally. There is a high-frequency cooking system that uniformly heats food that is vacuum-packed at a temperature of about 60 ° C., which is considered to be, and finishes the temperature difference and temperature accuracy to about 1 ° C.

  Moreover, as shown in Patent Document 2, a mode for storing the food at a low temperature by setting the whole cooking chamber to a vacuum state and lowering the temperature of the cooking chamber for a preset time according to a low temperature storage signal, There is a cooking method for a vacuum cooking utensil including a cooking mode in which the storage mode is ended when a set time has elapsed and the food is heated.

JP-A-6-241465 JP 2005-80658 A

  In the above-mentioned prior art, the industrial heating cooking device can secure a considerable degree of vacuum and can achieve cooking like a professional, but the whole device is large and the price is over 1 million yen even with a small price, electric oven It is very expensive as a household cooking device such as a range, and it is difficult to secure the installation location.

  Moreover, what is shown to patent document 1 heats the foodstuff which was vacuum-packed previously, Comprising: It does not have the equipment which evacuates the container etc. which put the foodstuff.

  Moreover, since only the vacuum packed food is purchased, the original vacuum cooking in which the user adjusts the seasoning etc. according to the situation cannot be realized.

  Furthermore, in the one shown in Patent Document 2, the entire cooking chamber (heating chamber) is in a vacuum state, so that the degree of vacuum of the cooking chamber is required, and the facilities are large, and the walls and the like constituting the cooking chamber are quite sturdy. I have to be.

  In addition, when performing hot air oven heating or the like, it is necessary to provide an air supply port or an exhaust port that is linked to the outside air in the cooking chamber, and the entire cooking chamber cannot be evacuated in the microwave oven.

  The present invention aims to solve at least one of the above problems.

In order to solve the above problems, a steam generating unit you heating the food accommodated in the heating chamber, and a connecting portion connecting the water supply tank containing water supplied to the steam generating unit, the connecting portion A pump for supplying water in the water supply tank connected to the steam generating means, an insertion port capable of enclosing the food to be cooked and connected to the connection part, and a container having a movable valve and a valve receiver at the insertion port And the pump supplies water in the water supply tank to the steam generating means when it is determined that the water supply tank is connected to the connecting portion by pressing the cooking start button. by sucking start button is pressed, a negative pressure to the internal pressure of the container the container is air in the container when it is determined to be connected before Symbol connecting portion by supplying to the steam generating unit It is to make.

According to the onset bright, like a home heating cooker in the body of the electric oven, the internal pressure of the sealable container and a bag containing the food is the food at a negative pressure (below atmospheric pressure Because it is equipped with suction means, it is compact, and the user's original vacuum cooking with seasonings adjusted according to the situation can be realized in the kitchen in the home and only with the heating cooker .

  Hereinafter, the cooking device of the present invention will be described by taking an electric microwave oven as an example. The heating cooker of the present invention is for home use and can be applied to heating cookers such as an electric steam microwave oven, oven, and microwave oven.

[ Reference Example 1 ]
FIG. 1 is a perspective view of an electric microwave oven showing a reference example relating to the present invention , with a cover provided on a side surface and an upper portion removed.

  1 is a main body of an electric microwave oven, 2 is a vertically openable door that can be opened and closed to take in and out the food to be heated in the heating chamber 20 shown in FIG. 4, and 3 is an operation / display panel disposed at the lower front of the door 2 It is. Here, the positions of the door 2 and the operation / display panel 3 are not limited to the positions shown in FIG.

  Reference numeral 4 denotes the suction means of the present invention, which comprises a negative pressure pump or a vacuum pump, and is provided on the right side wall 1 a in the main body 1. However, the installation location of the suction means 4 is not limited to the right side wall 1a, but may be the left side wall, the bottom surface, the ceiling surface, or the like.

  The suction means 4 is a negative pressure pump or a vacuum pump depending on the pressure level (degree of vacuum) required by the microwave oven, and the vacuum pump is optimal when the negative pressure level is close to vacuum. It is. However, since the vacuum pump becomes relatively large, it is desirable to use a negative pressure pump in the microwave oven of the present invention in consideration of compactness and cost.

  Here, as the negative pressure level, suction means capable of sucking up to a pressure close to a vacuum is desirable, but when considering mounting on the main body 1 of the microwave oven, suction at a negative pressure level of about −50 to −100 kPa (kilopascal). Even if the means is installed, cooking at home close to vacuum cooking can be provided.

  Reference numeral 5 denotes a suction port, which is provided on one side (right side in the figure) of the front lower portion of the door 2 and is connected to a suction hose 6 extending from the suction means 4. However, the suction port 5 is not limited to this position. Reference numeral 7 denotes a suction start button provided in the vicinity of the suction port 5.

  Here, the hygiene aspect that the suction hose 6 (including the connecting portion 6a of the suction hose 6 described later) and the suction port 5 can be detached from the main body 1 and washed by the user is taken into consideration.

  FIG. 2 is a plan view of the operation / display panel 3 provided at the lower front of the door 2 in FIG. 1, and 5 and 7 are the suction port and the suction start button described above.

  Reference numeral 8 denotes a push button provided at the lower part of the door 2, which is an operating means for the user to select vacuum cooking. Reference numeral 9 is a display means provided at the lower part of the door 2 and displays that the main body 1 can be vacuum-cooked. The vacuum cooking may be an automatic cooking menu (auto menu) or a manual cooking menu (manual menu).

  In addition, as described above, the series of operations related to vacuum cooking according to the present invention is not performed on the operation / display panel 3 provided on the door 2 of the main body 1 but can be operated remotely using a remote controller or the like. May be.

  Reference numeral 10 denotes a dial which is an operating means for setting a negative pressure level by the suction means 4 and is provided in the vicinity of the push button 8 provided at the lower part of the door 2.

  A liquid crystal panel 12 is a display means for displaying the negative pressure level by the suction means 4. Here, as a matter of course, the operation means and the display means need not be limited to the dial 10 or the liquid crystal panel 12.

  FIG. 3 is a perspective view illustrating an example of the suction operation according to FIG.

  Reference numeral 13 denotes a container containing ingredients to be cooked, and uses a heat-resistant polyethylene bag (polybag) with a zipper. Here, a deformable soft plastic bag whose shape is deformed according to pressure is used, but it may be formed of a hard plastic container or the like.

  Next, the work procedure will be described with reference to FIGS. Here, the suction process of the container 13 that encloses the food to be cooked by the suction means 4 is performed outside the main body 1.

  First, ingredients (for example, meat, fish) and seasonings for seasoning them are prepared and placed in a container 13 made of a plastic bag with a zipper.

  Next, when proceeding in front of the main body 1 of the microwave oven and selecting vacuum cooking with the push button 8, the dial 10 blinks to notify the user to set the negative pressure level. When the dial 10 is turned to set the negative pressure level, the pressure level is displayed on the liquid crystal panel 12 as display means. When the dial 10 reaches the set pressure level, the rotation of the dial 10 is stopped.

  Here, the negative pressure level to be set may be an absolute value of the pressure, or may be a set numerical value corresponding to the cooking content of each food material. For example, for meat potatoes, the negative pressure level is “2”, and the user turns the dial 10 to set the negative pressure level to “2”. In addition, the relationship between the cooking content of each foodstuff and a negative pressure level should just be described in the cooking book attached to the main body 1, etc. Further, when food ingredients and cooking contents are set, the negative pressure level may be automatically determined by an automatic cooking menu.

  Next, the suction hose 6 is pulled out from the suction port 5, and the suction hose 6 is inserted into the container 13 from the zipper portion. Here, the suction hose 6 may automatically come out when vacuum cooking is selected by the push button 8. When the suction hose 6 is inserted into the container 13, the zipper is closed and the suction start button 7 is pressed to start suction.

  When the suction is completed to a predetermined negative pressure level, the suction hose 6 is pulled out and the zipper of the container 13 is closed at the same time, and the container 13 is closed. Here, the determination as to whether or not the suction has been completed up to a predetermined negative pressure level may be made to the user by a notification sound (not shown) incorporated in the main body 1 or by a notification sound or voice.

  And the container 13 which became the airtight state is put into the heating chamber 20 in the main body 1, and vacuum cooking is started.

  In the microwave oven according to the present invention, as means for heating the cooking object accommodated in the heating chamber 20, a range heating means constituted by at least a magnetron 18, an electric heater 21 and a hot air fan 22 (FIG. 5 described later). The hot air oven heating means constituted by the reference) is provided, but as the other heating means, the grill heating means constituted by the electric heater 33 and the steam heating means constituted by the steam generating means 25 are provided. The cooking method suitable for each vacuum cooking is selected using at least any one of these four heating means.

  Here, the suction port 5 having the connection portion 6a of the suction hose 6 may be provided in the operation / display panel 3 portion of the door 2 as shown in FIG. 1, but as shown by a dotted line in FIG. You may provide the suction port 5a in the front frame 20a which comprises the heating chamber 20. As shown in FIG.

  An operation procedure similar to these will be described later with reference to FIG.

[ Reference Example 2 ]
FIG. 4 is a perspective view of a microwave oven showing a reference example relating to the present invention, showing a state in which the cover provided on the side surface and the upper part is removed and the door 2 is opened, and FIG. It is side surface sectional drawing of the microwave oven which has the mass detection means.

  The main body 1 of the microwave oven is composed of a range heating means constituted by a magnetron 18, an electric heater 21, and a hot air fan 22 as means for heating the cooking object (container 13) accommodated in the heating chamber 20. However, as other heating means, a grill heating means constituted by an electric heater 33 and a steam heating means constituted by a steam generation means 25 may be provided. A cooking method suitable for each vacuum cooking is selected using at least one of the four heating means.

  In the figure, as the suction means 4 for making the internal pressure of the container 13 enclosing the food to be negative, a negative pressure pump or a vacuum pump similar to the above is used, and is further installed on the bottom surface of the heating chamber 20 to be cooked. A non-rotating table 15 on which an object is placed (partially cut in the figure) and a plurality of masses that are installed on the lower surface of the table 15 so as to support the table 15 and detect the mass of an object to be cooked A detection means 14 and a control means 26 for controlling the four heating means are provided.

In this reference example , three mass detection means 14 are installed in the lower part of the table 15, the mass detection means 14a in the rear center of the heating chamber bottom, the mass detection means 14b in the front left side of the heating chamber bottom, The table 15 is stably supported at three points by the mass detection means 14c on the front right side of the bottom of the heating chamber. The support of the table 15 by the mass detection means 14 need not be limited to three points, may be four points, and may be support by other numbers.

  Here, the mass detection unit 14 may be, for example, a capacitance type detection unit including a movable electrode and a fixed electrode made of a thin metal material. The measuring principle is that a fixed electrode and a movable electrode are opposed substantially in parallel to hold a predetermined gap, that is, a detection space, and a capacitor is formed between the fixed electrode and the movable electrode. And the change of the detection space of the movable electrode which moves according to the weight of the container 13 containing the food to be cooked placed on the table 15 and the stationary electrode which is stationary is converted into a change in capacitance. This is a method of calculating the weight of the container 13 containing the food to be cooked from detection of a change in capacitance.

  The mass detecting means 14 of the present invention is not limited to the electrostatic capacity type, and may be a strain type or an optical sensor.

  In addition, the table 15 placed on the bottom surface of the heating chamber 20 of the present invention is separated from the heating chamber 20, and is detachable from the heating chamber 20, and can be taken out and washed.

  According to this structure, the to-be-cooked object on the table 15, ie, the mass of the container 13, is detected by the sum of the plurality of mass detection means 14a, 14b, 14c, and the mass detection of the mass detection means 14a, 14b, 14c is detected. Based on the value, at least one of the outputs of the four heating means is controlled by the control means 26, and the heating control is performed at an optimum pressure corresponding to the cooking content of the food to be cooked.

  FIG. 5 is a side sectional view of the main body 1 of the microwave oven having the plurality of mass detection means 14 of FIG. The signal lines extending from the mass detection means 14 to the control means 26 are mass detection signals 29, and the signal lines extending from the control means 26 to the rotating antenna 16 are antenna control signals 30 and control means 26 constituting the range heating means. From the electric heater 21 constituting the hot air unit, the hot air fan 22 having a motor, the signal lines extending to the steam generating means 25 and the like are the heating amount and the steam amount control signal 31, respectively. A heating amount control signal (not shown) constituting the grill heating means is also provided. Note that signal lines and power lines other than the detection signals and control signals shown here are omitted.

  Furthermore, in FIG. 5, 21 and 22 are the electric heater and hot air fan which comprise a hot air oven heating means, and are accommodated in the hot air unit duct 23. FIG.

  Reference numerals 27 and 28 denote inflow air and outflow air of the circulating air flow into the hot air unit duct 23 when the hot air oven heating means and the steam heating means are operated.

  Reference numeral 16 denotes an antenna of the range heating means, which is driven to rotate by a motor 32. Reference numeral 24 denotes a waveguide from the magnetron 18.

Here, four heating means provided in the main body 1 of the microwave oven will be described.
(1) Range heating means: a magnetron 18 that is a heating source, a waveguide 24 that guides microwaves, a rotating antenna 16 that irradiates microwaves to the heating chamber 20, an antenna motor 32, and the like.
(2) Hot air oven heating means: a hot air unit duct 23, a hot air fan 22 rotatably provided in the center of the hot air unit duct 23, and an outer periphery of the hot air fan 22, that is, on the outflow side of the air flow. The electric heater 21 and a fan motor are included.
(3) Grill heating means: composed of an electric heater 33 provided on the upper wall of the heating chamber 20, and the electric heater 33 may be a flat heater, a rod-shaped sheathed heater or a quartz tube heater. Good.
(4) Steam (steam) heating means: composed of steam generating means 25 provided on the outside of the hot air unit duct 23, that is, on the outer wall surface, the steam generating means 25 including a container to which water is supplied, It is composed of a heater for heating the container, a temperature detector such as a thermistor (both not shown), and the like. Then, the saturated water vapor emitted from the steam generating means 25 is sprayed toward the air flow flowing out from the hot air fan 22, mixed with the air flowing out in the hot air unit duct 23, and further heated by the electric heater 21. Then, high-temperature steam (for example, 200 to 300 ° C.) is supplied into the heating chamber 20.

  Next, an operation procedure of vacuum cooking in the main body 1 of the microwave oven having the mass detecting means 14 shown in FIGS. 4, 5 and 2 will be described with reference to FIG. In FIG. 6, * indicates a manual operation performed by the user.

  First, in step 1, a lower process (manual operation) is performed. Ingredients and seasonings are mixed and placed in a container 13 made of a plastic bag with a zipper.

  Next, in step 2, vacuum cooking is selected by the push button 8 (see FIG. 2).

  Then, in step 3, when a cooking menu (for example, simmered in miso soup) is set with a dial or the like, the dial 10 blinks to notify the user to set a negative pressure level. Then, the dial 10 is turned to set the negative pressure level. The pressure level is displayed on the liquid crystal panel 12 as display means, and when the predetermined pressure level is reached, the dial 10 is stopped.

  Here, as described above, the negative pressure level to be set may be an absolute value of the pressure, or may be a set numerical value corresponding to the cooking content of each food material.

  Next, in step 4, the suction hose 6 is pulled out from the suction port 5, and the suction hose 6 is inserted into the zipper corner portion of the container 13. Here, the suction hose 6 may automatically come out when vacuum cooking is selected by the push button 8.

  When the suction hose 6 is inserted into the container 13, in step 5, the zipper of the container 13 is closed and the suction start button 7 is pressed to start suction (evacuation).

  In step 6, when the suction to the predetermined negative pressure level is completed, the suction hose 6 is pulled out from the container 13 and at the same time, the zipper is closed and the container 13 is sealed.

  In step 7, the door 2 of the main body 1 is opened, and the sealed container 13 is placed on the table 15 in the heating chamber 20. In step 8, vacuum cooking is started.

  Then, as in step 9, the mass of the container 13 on the table 15 is detected by the sum of the detection values of the three mass detection means 14a, 14b, 14c, and the mass detection values of the mass detection means 14a, 14b, 14c are detected. To determine the heating time. Here, the process from mass detection to heating time determination is automatically performed.

  In step 10, the output of at least one of the four heating means is controlled, and the heating control is performed with the optimum pressure corresponding to the cooking content of the cooking object in the container 13.

  In the microwave oven according to the present invention, as described above, the range heating means, the hot air oven heating means, the grill heating means, and the water vapor heating means are used as means for heating the food in the container 13 accommodated in the heating chamber 20. The cooking method suitable for each vacuum cooking is selected using at least any one of these four heating means.

  When the heating time reaches the set value, cooking ends at step 11.

  In addition to the cooking method described above, the microwave oven equipped with the plurality of mass detection means 14 of the present invention can further perform the following.

  That is, after the weights Wa, Wb, Wc at the respective support points are detected by the three mass detection means 14a, 14b, 14c provided at the lower part of the table 15, the weights of the mass detection means 14a, 14b, 14c are detected. The weight of the container 13 on the table 15 is calculated from the total sum (W = Wa + Wb + Wc), and the ratio of the detected values of the weights Wa, Wb, Wc at the three support points (how to apply the weight). Since the position on the table 15 on which the container 13 containing the object to be cooked is placed can be calculated, the heating power can be concentrated by targeting the placement position.

  Although the above is an embodiment having the mass detection means 14 and the table 15 being detachable, for example, as shown in FIG. 7, there is no mass detection means 14 and the table 15 is fixed to the bottom surface of the heating chamber 20. Even if it is a case, the cooking method suitable for each vacuum cooking can be selected using at least any one of four heating means.

[ Reference Example 3 ]
In this reference example , the suction process of the container 13 in which the cooking object is enclosed by the suction means 4 is performed in the heating chamber 20 of the main body 1, and the vacuum cooking process is continuously performed without taking out the container 13 to the outside. Is the case.

  FIG. 7 shows an example, and the suction port 6 a of the suction hose 6 extending from the negative pressure pump or the vacuum pump as the suction means 4 extends to the inside of the heating chamber 20.

  As a work procedure, after opening the door 2, the suction port 6 a is inserted into the zipper portion of the container 13 in which the object to be cooked is enclosed, and placed on the table 15 on the bottom surface of the heating chamber 20. Then, the door 2 is closed, vacuum cooking is selected by the push button 8 shown in FIG. 2, the dial 10 is turned to set the negative pressure level, and then the suction start button 7 is pushed to start the suction process. When the suction process is completed, vacuum cooking is automatically started in the same state.

  Here, when the main body 1 of the microwave oven provided with the mass detection means 14 shown in FIGS. 4 and 5 is used, the weight of the container (cooking object) 13 can be automatically measured, and thus the detected weight Depending on the, fine pressure control and heating control becomes possible.

Figure 8 shows the actual施例of the present invention, the connecting portion 6a of the suction hose 6 which extends from the negative pressure pump or vacuum pump is a suction means 4, through the bottom of the heating chamber 20, the lower portion of the left front I am part of it. And although the connection part 6a is not visible in the figure, it is fixed, and the box-like container 50 shown in FIG. 9 is pushed into the front of the main body 1 of the microwave oven to insert the insertion port 51 of the container 50 into the connection part. Connect to 6a.

  Here, the box-shaped container 50 is made of, for example, polyethylene, and includes a container main body 50a and a container lid 50b. The subsequent suction operation is the same as described above.

  Here, when the main body 1 includes the heating means using the high-temperature steam described in (4) above, a water supply tank is required. In FIG. 8, the place where the box-shaped container 50 is inserted is the place where the water supply tank is inserted. You may share as.

  For example, when performing suction work of the box-shaped container 50 with the suction means 4, the box-shaped container 50 is inserted therein to perform a suction process, and when heating with another high-temperature steam heating means is performed there, A heating tank is implemented by inserting a water supply tank.

  Whether it is a suction process or a heating process, in other words, whether the container 50 is inserted or whether a water supply tank is inserted is left to the user, which depends on the user's operation details (for example, whether the suction start button 7 has been pressed). Or whether the cooking start button is pressed). In this case, it is further preferable that the pump as the suction means 4 and the pump as the water supply means can be used in one pump.

[ Reference Example 4 ]
FIG. 10 shows a reference example relating to the present invention , and suction means 4 for making the internal pressure of the container 13 (or the container 50 acceptable) enclosing the object to be cooked negative like the previous reference examples and examples. However, the microwave output from the magnetron 18 is different in that the rotary table 34 on which the container 13 provided in the center of the heating chamber 20 is a turntable type electric microwave oven that freely rotates. The container 13 is irradiated from the side surface of the heating chamber 20 via the waveguide 24.

  The rotary table 34 is rotated by a table motor 35 at the lower portion thereof, and one mass detection means 14 is installed at the coaxial end portion thereof, and a container placed on the rotary table 34 by the mass detection means 14. 13 weights can be detected, and the mass detection signal 29 is sent to the control means 26.

  The cooking method is the same as described above, and the output of at least one of the four heating means described above is controlled by the control means 26 based on the mass detection value of the mass detection means 14, so that the food to be cooked in the container 13 is cooked. Heating control can be performed at an optimum pressure according to the cooking content of the object.

  FIG. 11A is a cross-sectional view showing another embodiment of the connecting portion 6a between the bag-like container 13 (or box-like container 50) and the suction hose 6. FIG.

  The suction portion of the suction hose 6 of the container 13 is provided with a movable valve 36 and a valve receiver 37. When the suction hose 6 is evacuated by the suction means 4 (flow in the direction of the arrow), the movable valve 36 It opens as shown in the figure by the pressure, and the suction process is performed. When the suction process is completed, the movable valve 36 returns to its original state and comes into contact with the valve receiver 37 to block the air flow.

  At this time, since the inside of the container 13 is in a negative pressure, the movable valve 36 is attracted to the valve receiver 37 by the negative pressure, and the negative pressure level does not loosen. In other words, the movable valve 36 swings as shown in the figure, and is opened during the suction process to suck the inside of the container 13 and closed when the suction process is completed to maintain the pressure level of the container 13.

  Further, as shown in FIG. 11B, the structure of the movable valve 36 and the valve receiver 37 may be applied to the connecting portion 6a of the suction hose 6. Further, the structure of the movable valve 36 and the valve receiver 37 may be provided in both the connection portion 6 a of the suction hose 6 and the suction portion of the hose of the container 13.

  Moreover, the structure of the connection part 6a may tighten the bag-shaped container 13 (or box-shaped container 50) and the suction hose connection part 6a with a screw.

  As described above, according to the present invention, as means for heating an object to be cooked accommodated in the heating chamber 20, the range heating means constituted by the magnetron 18, the hot air constituted by the electric heater 21 and the hot air fan 22. In a heating cooker for home use provided with at least one of four heating means: an oven heating means, a grill heating means constituted by an electric heater 33, and a steam heating means constituted by a steam generating means 25, the heating Since the main body 1 of the cooker is equipped with a sealable container 13 containing ingredients to be cooked and a suction means 4 for making the internal pressure of the bag negative (lower than atmospheric pressure), it is compact. At the same time, the user's original vacuum cooking with seasonings adjusted according to the situation can be realized in the kitchen in the home and only with the heating cooker.

It is a perspective view of the state where the cover of the microwave oven of reference example 1 was removed. It is a top view of the operation / display panel of the microwave oven of Reference Example 1 . It is a perspective view explaining an example of the suction operation of the microwave oven of the reference example 1. FIG. It is a perspective view of the state where the cover of the turntableless type microwave oven which has a mass detection means of reference example 2 was removed. It is side surface sectional drawing of the microwave oven which has a mass detection means of FIG. It is a flowchart of the cooking procedure of the reference example 2 . It is a perspective view illustrating a suction work on any microwave oven of Example 3. 1 is a perspective view of a microwave oven having the same box-shaped container of Example 1. FIG. It is a perspective view of the box-shaped container of FIG. It is side surface sectional drawing of the turntable type microwave oven which has a mass detection means of the reference example 4 . It is side surface sectional drawing which shows the suction hose connection part of Example 2. FIG.

DESCRIPTION OF SYMBOLS 1 ... Main body, 2 ... Door, 3 ... Operation / display panel, 4 ... Suction means, 5 ... Suction port, 6 ... Suction hose, 7 ... Suction start button, 10 ... Dial, 12 ... Liquid crystal panel, 13, 50 ... Container , 14 ... mass detection means, 15 ... table, 16 ... rotating antenna, 18 ... magnetron,
20 ... heating chamber, 21 ... electric heater, 22 ... hot air fan, 23 ... hot air unit duct, 25
Steam generating means 26 Control means 33 Electric heater 34 Rotary table 36 Movable valve 37 Valve seat

Claims (1)

A steam generating means you heating the food accommodated in the heating chamber,
A connecting portion connected to a water supply tank containing water to be supplied to the steam generating means;
A pump for supplying water in the water supply tank connected to the connecting portion to the steam generating means;
An insertion port that can enclose the object to be cooked and can be connected to the connecting portion; and a container having a movable valve and a valve receiver at the insertion port,
The pump is
When it is determined that the water supply tank is connected to the connection part by pressing the cooking start button, water in the water supply tank is supplied to the steam generating means ,
By sucking start button is pressed, the air in the container when the container is determined to be connected to the internal pressure of the negative pressure of the container by supplying to the steam generating means before Symbol connecting portion A heating cooker characterized by that.

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