JPH0542041A - Electric cooker - Google Patents

Abstract

PURPOSE:To provide an electric cooker capable of stewing, baking, and steaming without using the steam pressure. CONSTITUTION:Both a cooking-vessel 1 and a lid body 2 with which the whole surface of the cooking-vessel 1 is covered are provided. Foods to be cooked, which are placed in the cooking-vessel 1, are cooked by steam S stored in the inner space between the cooking-vessel 1 and the lid body 2. A steam- reheating heater 4 for reheating the steam S in the inner space and a fan for diffusing the steam S in the inner space are also provided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric cooker used for heating cooked food using steam.

[0002]

2. Description of the Related Art Conventionally, an electric cooker has a cooking container and a lid for covering the cooking container. The lid is firmly pressed against the cooking container to form an internal space. That is, the inner space is surrounded by the cooking container and the lid. In this electric cooker, steam is obtained by heating the water contained in the cooking container. The steam has a high pressure in the internal space and heats and cooks the food contained in the cooking container.

[0003]

However, since this electric cooker heats and cooks by utilizing the pressure of steam, it has a structure in which the cooking container and the lid are in close contact with each other without a gap, and the structure is extremely strong. Since it is made of a material, for example, a metal material, it is difficult to manufacture. The lid is dangerous if the pressure exceeds a certain level.

In addition, in this electric cooker, the moist steam heats the food, which makes the food sticky.
Further, as a kind of cooking, heating cooking such as steaming or boiling can be performed, but it is not suitable for cooking cooking food with the lid removed.

Therefore, an object of the present invention is to provide an electric cooker that can perform cooking substantially equivalent to this without cooking by steam pressure, and can cook in addition to cooking such as steaming and boiling. It is in.

Another object of the present invention is to provide a compact electric cooker using a lid which does not require the weight and strength of a metal material regardless of pressure.

[0007]

According to the present invention, in an electric cooker for cooking food by steam, there is provided a cooking container for accumulating the steam in an internal space, the cooking container being steam in the internal space. An electric cooker is obtained which has a heater for reheating steam for reheating.

Further, according to the present invention, there can be obtained an electric cooker in which the cooking container has a fan for diffusing the steam in the internal space.

According to the present invention, the cooking container is
An electric cooker having a steam generating heater for heating water contained in the cooking container to obtain steam can be obtained.

According to the present invention, the cooking container is
An electric cooker having a recess for accommodating water and having the heater for steam generation provided in the recess is obtained.

Further, according to the present invention, there is provided an electric cooker in which the cooking container has a conductive plate and a cooking heater for heating the conductive plate.

Further, according to the present invention, there is provided a lid for covering the one surface of the cooking vessel, and the heater for steam reheating and the fan are provided on the lid to provide electric steam cooking. You get a bowl.

[0013]

Operation: With the lid removed from the cooking container, water is stored in the storage portion. Next, the cooked food is placed inside the cooking container. Further, the cooking container is covered with the lid. In this state, if the heater for generating steam is turned on and electricity is supplied, the housing is heated and steam is generated in the internal space. As it is, the steam in the internal space is wet steam with a large amount of water, so the steam reheating heater is turned on to reheat the steam.
At this time, when the electric motor is turned on at the same time and the fan is rotated, the steam is uniformly diffused and circulated in every corner of the internal space. When the fan is rotating in one direction, the steam in the internal space
It does not flow in the direction of the escape due to the louver. By this series of operations, when the cooking is completed after a predetermined time, the power supply to the steam generating heater and the steam reheating heater is stopped.

Next, when the fan rotates in the direction opposite to the one direction, the steam filling the internal space is discharged from the escape port to the outside through the louver in a predetermined time. By this operation,
Prevents the risk of burns due to steam when the lid is removed from the cooking container.

[0015]

1 and 2 show an embodiment of an electric cooker according to the present invention. FIG. 1 is a cross-sectional view of the electric cooker, and FIG. 2 is a plan view showing a lid used in the electric cooker.

With reference to FIGS. 1 and 2, the electric cooker has a cooking vessel 1 which is entirely pot-shaped, and a lid 2 which covers the cooking vessel 1. A certain amount of water is stored inside the cooking container 1. In the internal space SP surrounded by the cooking container 1 and the lid body 2, the cooked food contained in the cooking container 1 by the steam S obtained by heating the water contained in the cooking container 1 (not shown). Boiled). Further, the lid 2 is provided with a steam reheating heater 4 for reheating the steam S generated in the internal space SP, and a fan 5 for diffusing the steam.

More specifically, the cooking vessel 1 has a metal conductive plate 6 having an opening 8 formed in the central portion thereof.
And a cooking heater 7 for cooking provided on the lower surface of the conductive plate 6. The opening 8 is provided with an accommodating portion 9 formed in a concave shape by a metal material. A heater 10 for generating steam is provided in the housing portion 9. A pan 11 is detachably installed on the conductive plate 6. Pot 11
Is open at a portion of the accommodation portion 9 facing the opening 8,
It is in contact with the open end. The cooking container 1 is attached to the exterior body 12. The outer casing 12 covers the lower portion of the cooking container 1 and the side peripheral portion of the conductive plate 6. Also,
Sensors 13 and 14 for temperature detection are in contact with the conductive plate 6 and the housing portion 9 between the lower surfaces of the conductive plate 6 and the housing portion 9 and the bottom surface of the exterior body 12, respectively.
Springs 15 and 16 are arranged so as to push up 4.

On the other hand, the lid body 2 is made of a translucent resin material. At the center of the lid body 2, there is a mounting space 17 that projects outward from the plate surface of the lid body 2. The mounting space portion 17 has a tubular portion 18 and a closing portion 19 that closes the upper end of the tubular portion 18. A plurality of escape ports 20 are formed in the closing portion 19. A louver 21 is provided in the mounting space 17 so as to face the escape ports 20 so as to close the escape ports 20, an electric motor 22 provided below the louver 21, and as shown in FIG. Electric motor 22
A fan 5 that rotates by the above and a steam reheating heater 4 are provided. As the steam reheating heater 4, for example, a red-heated heater such as a nichrome wire is used. The peripheral side surface of the lid body 2 faces the outer peripheral surface of the pot 11. The gap between the peripheral side surface of the lid body 2 and the outer peripheral surface of the pan 11 is closed by a packing 23 attached to one of them.
As shown in FIG. 4, a lead wire 24 connected to the fan 5 and the steam reheating heater 4 from the outside is provided on the outer surface of the lid body 2. Further, as shown in FIG. 5, an operation unit 25 is provided on one side of the exterior body 12. Operation unit 25
A plug 26 is connected to the cooking heater 7, the steam generating heater 10, the steam reheating heater 4, and the like.
A temperature setting unit 27 and a switch unit 28 for operating a power switch are provided on the upper surface of the operation unit 25.

This electric cooker, as shown in FIG.
The cooking state is controlled by the control unit 40. Heating cooking with an electric cooker will be described with reference to FIG. 6 as well. Now, with the lid 2 removed from the cooking container 1, water is stored in the storage portion 9. Next, the food to be cooked is placed on the gantry 30 housed inside the pan 11. Further, the lid 2 is put on the cooking container 1. In this state, when the switch contact 31 of the steam generating heater 10 is turned on, the relay contact 32 is turned on to energize. At this time, since the container 9 is heated at 200 ° C. to 300 ° C., steam is generated in the internal space SP. In this state, since the steam S in the internal space SP is wet steam with a large amount of water, the relay contact 33 of the steam reheating heater 4 is turned on to reheat the steam to 120 ° C. At this time, when the relay contact 34 of the electric motor 22 is also turned on at the same time to rotate the fan 5 in one direction, the steam S is uniformly diffused and circulated in every corner of the internal space. The escape port 20 for the steam S is closed by the louver 21 when the fan 5 is rotating in one direction. By this series of operations, when cooking is completed after a predetermined time, the steam generation heater 10 and the steam reheating heater 4 are de-energized and the relay contacts 32 and 33 are turned on.
Turn off.

Next, the fan 5 is directed in the direction opposite to one direction,
That is, it rotates in the reverse direction. At this time, the steam S filled in the internal space is opened by opening the louver 21 and drawn out by the fan 5 in the direction of the escape port 20 and discharged to the outside of the lid body 2 in a predetermined time. This operation prevents the risk of burns or the like due to the steam S when the lid 2 is removed from the cooking container 1. These operations are performed by the operation unit 25. Control unit 4
Reference numeral 0 has a built-in microcomputer, which is operated by the operation unit 25 for setting a predetermined time.

Further, the cooking heater 7 is switched between the power supply 41 and the steam generating heater 10 by the switch 31. As a result, grilling can be cooked by the cooking heater 7. At this time, the lid 2 may be detached from the cooking container 1 for use, or the smoke may be discharged from the escape port 20 while the fan is rotated in the reverse direction with the lid 2 covering the cooking container 1. Good. In addition, a filter for deodorizing and smoke removal may be attached near the escape port 20.

[0022]

As described above with reference to the embodiments, the electric cooker of the present invention includes the steam generating heater for generating steam and the steam reheating heater for reheating steam. The cooked food can be efficiently cooked without depending on the steam pressure, and the stickiness of the cooked food can be prevented by reheating the steam.

Further, since the steam reheating heater and the fan are provided on the lid, the shape is compact and the steam can be diffused into the internal space, so that the cooked food can be heated and cooked uniformly.

[Brief description of drawings]

FIG. 1 is a sectional view showing an embodiment of an electric cooker according to the present invention.

2 is a plan view showing a lid body used in the electric cooker shown in FIG. 1. FIG.

FIG. 3 is a plan view showing the fan of FIG.

FIG. 4 is a plan view showing a central portion of the lid body of FIG.

5 is a plan view showing the operation unit of FIG. 1. FIG.

FIG. 6 is a control circuit diagram showing an operation of the electric cooker shown in FIG. 1.

[Explanation of symbols]

 1 Cooking Container 2 Lid 4 Steam Reheating Heater 5 Fan 6 Conductive Plate 7 Cooking Heater 8 Housing 10 Steam Generation Heater 11 Pan 12 Exterior Body 13 Sensor 15 Spring 20 Escape Port 21 Louver 22 Electric Motor 25 Operation Unit 31 Switch 32 Relay contact 40 Control unit

Claims (6)

[Claims] 1. An electric cooker for cooking food by steam, comprising a cooking container for accumulating the steam in an internal space, the cooking container being reheated for reheating the steam in the internal space. An electric cooker having a heater for use. 2. The electric cooker according to claim 1, wherein the cooking container has a fan for diffusing the steam in the internal space. 3. The electric cooker according to claim 1, wherein the cooking vessel has a steam generating heater for heating water contained in the cooking vessel to obtain steam. 4. The electric cooker according to claim 1, wherein the cooking container has a recess for containing water, and the heater for generating steam is provided in the recess. 5. The electric cooker according to claim 1, 2, 3 or 4, wherein the cooking container has a conductive plate and a cooking heater for heating the conductive plate. 6. The electric cooking apparatus according to claim 1, further comprising a lid that covers the one surface of the cooking container, the lid being provided with the steam reheating heater and the fan. vessel.