JP2001263667A - Superheated cooking apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To dissolve a problem that a superheated steam cooking apparatus has a serious practical problem regarding setting of a condition and safety. SOLUTION: A superheated steam cooking apparatus comprises a casing 1, a cooling duct 3 communicated with an opening part 2 of the casing, a water tray 4 situated below the cooling duct, an air supply means 5 for forced circulation, a boiler 7 to generate superheated steam, a water supply means to supply water to the boiler 7, a steam induction duct 10 to feed generated steam into a chamber 1a, and a superheating means 12 provided on the supply side of the air supply means 5. Superheated steam used as it is reheated in a chamber is uniformly agitated, surplus air is expelled from the chamber, and after it is cooled, it is discharged to the outside of the chamber.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a superheated steam cooker for cooking using steam heated to 100.degree. C. or higher (hereinafter referred to as "superheated steam") in a refrigerator.

[0002]

2. Description of the Related Art A conventional superheated steam cooker has a simple structure in which water vapor emitted from food is confined in a refrigerator and used as superheated steam. In addition, water at the bottom of an oven is evaporated by infrared rays. There are those aiming at a simple configuration for obtaining superheated steam by heating. Furthermore, superheated steam cookers, such as those comprising a steam generator, a heater and a cooking vessel, are also found.

[0003]

However, in order to use a special heat medium exceeding 100 ° C. called superheated steam, cooking cannot be performed well unless various cooking conditions are set as well as the basic structure. However, since superheated steam is an invisible high-temperature heat medium, it has a problem that it cannot be used unless it is devised for safety when used in ordinary households.

[0004]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a housing provided with an opening communicating with the inside of a storage for storing foods, a cooling duct connected to the opening, and a cooling device. A water tray provided below the duct, a blowing means for forced circulation for blowing into the storage, and a boiler for generating superheated steam,
This is a superheated steam cooker comprising a water supply means for feeding water into the boiler, a steam guide duct for sending generated steam into the storage, and a follow-up heating means provided on the blow-out side of the blowing means.

[0005] Thus, the superheated steam to be used is stirred uniformly while being supplementarily heated in the refrigerator, and excess air is expelled from the refrigerator, and after cooling, it is discharged to the outside of the refrigerator. Therefore, the superheated steam can be used even in ordinary households, and a device that can be safely used without the user touching the superheated steam by forced cooling by the outside air can be provided.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 is a housing provided with an opening communicating with the inside of a storage for storing food, a cooling duct connected to the opening, and a cooling duct provided below the cooling duct. Water tray, and forced air blowing means for blowing air into the refrigerator,
Superheated steam cooking comprising a boiler for generating superheated steam, a water supply means for feeding water to the boiler, a steam guide duct for feeding generated steam into the storage, and a follow-up heating means provided on the blowing side of the blowing means. It was a container.

[0007] In this cooker, the superheated steam to be used is uniformly agitated while being supplementarily heated in the refrigerator, and excess air is expelled from the refrigerator, and after cooling, it is discharged outside the refrigerator, so that it is safe and uniform. Superheated steam can be obtained.

According to a second aspect of the present invention, the temperature detecting means is provided at four positions: the inside of the steam guide duct, the inner wall surface of the refrigerator, the suction side of the blowing means, and the opening at the lower side.

[0009] The four temperature detecting means are used to generate steam temperature according to the contents of cooking, the temperature of the wall for preventing dew condensation on the wall, the temperature of the steam agitated in the chamber, and the temperature of the chamber which decreases during exhaust. Can be detected.

According to a third aspect of the present invention, there is provided a first energization amount variable means for varying an energization amount of the follow-up heating means, and an air flow amount variable means for changing the air supply amount of the blower means according to the energization amount to the follow-up heating means. A means is provided to increase the amount of air blown for stirring if the amount of heating to follow and heat the steam agitated in the refrigerator is large, and to reduce the amount of air blown when the amount of heating is small, so that uniform steam is always provided. It can fill the inside of the refrigerator with temperature.

According to a fourth aspect of the present invention, there is provided a second power supply variable means for varying the power supply to the boiler, and a water supply variable means for changing the water supply of the water supply in accordance with the power supply to the boiler. The amount of superheated steam to be generated can be varied by varying the amount of water supply according to the amount of electricity supplied.

According to a fifth aspect of the present invention, there is provided an energization ratio varying means for varying a ratio of an energization amount to the boiler and an energization amount to the follow-up heating means in the refrigerator. And the electric power used in the storage, the cooking can be quickly performed by always using the electric power to the maximum.

According to a sixth aspect of the present invention, there is provided a suction switching means for switching between the inside and the outside on the suction side of the air blowing means, and for introducing outside air and forcibly exhausting the steam in the storage. By exhausting the food, it is possible to take out the food safely when the door is opened.

[0014]

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

(Embodiment 1) In FIG.
An opening 2 communicating with the interior 1a is provided below the side surface, and a cooling duct 3 is provided in connection with the opening 2. The lower part of the cooling duct 3 is open, and a water tray 4 is provided below the opening. Inside the housing 1, there is provided a blowing means 5, which is a forced circulation fan for blowing air into the inside 1 a, and is driven by an external motor 6.

Outside the housing 1, there are provided a boiler 7 for generating superheated steam and a water supply means 8 as a pump for feeding water from below the boiler 7. The water supply means 8 is configured to be supplied with water from a tank 9. The superheated steam generated in the upper part of the boiler 7 is
The steam guiding duct 10 has an internal circulation suction port 11 at the outlet thereof. A follow-up heating means 12 as a heater is provided on the blowout side of the air blowing means 5 provided at the rear of the in-compartment circulation suction port 11. The housing 1 is provided with a plurality of in-compartment circulation outlets 13 for circulating the air from the air supply means 5 to the interior 1a. Reference numeral 14 denotes a boiler heater provided in the boiler 7, and reference numeral 15 denotes a plurality of guide plates formed inside the boiler 7.

As an operation according to this configuration, first, water is supplied from the tank 9 to the boiler 7 by the water supply means 8.
Inside the boiler 7, when water contacts the boiler heater 14, the water is heated and starts to evaporate. This steam is heated while rising as shown by the arrow A along the plurality of guide plates 15 inside the boiler 7, becomes superheated steam, and is guided to the steam guide duct 10. When the superheated steam exits from the steam guide duct 10, the superheated steam is sucked from the internal circulation suction port 11 by the blowing means 5 as shown by the arrow B and heated by the additional heating means 12, and then a plurality of internal circulation blows as shown by the arrow C It is sent from the outlet 13 to the warehouse 1a,
The interior 1a is filled with superheated steam. The air and excess steam in the refrigerator are expelled from the opening 2 below the side surface and cooled inside the cooling duct 3. The condensed water at this time is collected in the lower water tray 4.

Next, the effects will be described. Since the superheated steam is lighter than air, it is located above the interior 1a of the refrigerator. If an exhaust opening is provided above, steam escapes, and air remains in the interior 1a and superheated steam cannot be used effectively. However, since the opening 2 is provided below the side surface, the interior 1a is filled with superheated steam. Can be. Further, since the superheated steam that has entered from the steam guide duct 10 is immediately applied to the superheater 12 by the blower 5, it is possible to realize a stable cooking state in which the temperature in the refrigerator is less fluctuated. Further, the cooling duct 3 is safe because the heated air or steam does not blow out directly to the outside of the refrigerator.

(Embodiment 2) FIG. 2 shows the configuration of Embodiment 2. In the figure, a temperature detecting means 20 is provided inside a steam guiding duct 10, a temperature detecting means 21 is provided on a wall surface below the inside 1 a, and a temperature detecting means is provided near a circulating suction port 11 on the suction side of the blowing means 5. 22, a temperature detecting means 23 is provided at the position of the opening 2 below the side surface, and a temperature detecting means is provided at a total of four places. Other configurations are the same as in the first embodiment, and a description thereof will not be repeated.

The effect of providing these four temperature detecting means 20 to 23 is that the temperature of the generated steam according to the cooking content can be detected by the temperature detecting means 20, and the temperature of the storage wall to prevent condensation on the storage wall can be detected. The temperature can be detected by the temperature detection means 21 provided at the lowest position of the storage wall temperature, the temperature of the steam stirred in the storage can be detected by the temperature detection means 22, and the temperature in the storage can be sufficiently reduced during exhaust. Temperature detection means 2
3 can be confirmed.

(Embodiment 3) FIG. 3 shows the configuration of Embodiment 3. A first energization amount varying unit 30 for varying the energization amount of the follow-up heating unit 12 is provided, and an air supply amount variable unit 31 for changing the air supply amount of the blower unit 5 according to the energization amount to the additional heating unit 12 is provided. . Other configurations are the same as in the first embodiment, and a description thereof will not be repeated.

With this configuration, the amount of air blown for stirring is increased when the amount of heating for purging and heating the steam agitated in the chamber 1a is large, and when the amount of heating is small, the amount of air blown is reduced. It can fill the inside of the refrigerator with temperature.

(Embodiment 4) FIG. 4 shows the configuration of Embodiment 4. A second energization amount varying means 40 for varying the energization amount to the boiler 7 is provided, and a water supply amount variable means 41 for changing the water supply amount of the water supply means 8 according to the energization amount of the boiler 7 is provided. Other configurations are the same as in the first embodiment, and a description thereof will not be repeated.

With this configuration, the amount of superheated steam to be generated can be varied by varying the amount of water supply in accordance with the amount of electricity supplied to the boiler 7, and an optimal amount of heated steam can be supplied in accordance with the content of cooking. Things.

(Embodiment 5) FIG. 5 shows the configuration of Embodiment 5. There is provided an energization ratio varying unit 50 for varying the ratio of the amount of energization to the boiler 7 and the amount of energization to the follow-up heating unit 12 in the interior 1a. Other configurations are the same as in the first embodiment, and a description thereof will not be repeated.

According to this configuration, the electric power of the equipment that can be taken out from the AC 100 V is divided into the electric power necessary for generating steam and the electric power used in the refrigerator, so that the cooking can be quickly performed by always using the electric power to the maximum. Can be issued.

(Embodiment 6) FIG. 6 shows the configuration of Embodiment 6. An outside air introduction duct 60 is provided at one end of the in-compartment circulation suction port 11 on the suction side of the air blowing means 5, and a suction switching means 61 provided at an outside air suction portion of the outside air introduction duct 60. Other configurations are the same as in the first embodiment, and a description thereof will not be repeated.

With this configuration, it is possible to inject outside air and forcibly exhaust the vapor in the inside 1a while switching between the inside circulation and the outside air suction by the suction switching means 61.
By exhausting the steam in the refrigerator, the food can be taken out safely when the door closing the refrigerator is opened.

[0029]

As described above, according to the present invention, the superheated steam is uniformly agitated while being additionally heated in the refrigerator, and the excess air is expelled from the refrigerator and discharged to the outside after cooling. With the configuration, the superheated steam can be freely adjusted and used even in ordinary households, and equipment that can be used safely without the user touching the superheated steam by forced cooling by outside air can be provided. It is.

[Brief description of the drawings]

FIG. 1A is a front sectional view showing a schematic configuration of a superheated steam cooker according to a first embodiment of the present invention. FIG. 1B is a partial side sectional view of the superheated steam cooker.

FIG. 2A is a front sectional view showing a schematic configuration of a superheated steam cooker according to a second embodiment of the present invention. FIG. 2B is a partial side sectional view of the superheated steam cooker.

FIG. 3 is a front sectional view showing a schematic configuration of a superheated steam cooker according to a third embodiment of the present invention.

FIG. 4 is a front sectional view showing a schematic configuration of a superheated steam cooker according to a fourth embodiment of the present invention.

FIG. 5 is a front sectional view showing a schematic configuration of a superheated steam cooker according to a fifth embodiment of the present invention.

FIG. 6A is a front sectional view showing a schematic configuration of a superheated steam cooker according to a sixth embodiment of the present invention. FIG. 6B is a partial side sectional view of the superheated steam cooker.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Case 2 Opening part 3 Cooling duct 4 Water receiving tray 5 Blower means 7 Boiler 8 Water supply means 10 Steam induction duct 12 Follow-up heating means

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Yumiko Hara 1006 Kazuma Kadoma, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. F-term (reference) 4B055 AA22 BA03 CA73 CC02 CD02 GB09

Claims (6)

[Claims] A housing provided with an opening communicating with the inside of the storage for storing the food; a cooling duct connected to the opening;
A water tray provided below the cooling duct, a blowing means for forced circulation for blowing air into the storage, a boiler for generating superheated steam, a water supply means for feeding water to the boiler, and a steam for feeding generated steam into the storage A superheated steam cooker comprising an induction duct and a follow-up heating means provided on the blowing side of the blowing means. 2. The interior of the steam guide duct, the inner wall of the refrigerator,
2. The superheated steam cooker according to claim 1, wherein temperature detecting means are provided at four positions on a suction side of the blowing means and at an opening on a lower side surface. 3. An apparatus according to claim 1, further comprising a first energizing amount variable unit for varying the amount of current supplied to the follow-up heating unit, and a blowing amount varying unit for changing the amount of air supplied from the blowing unit in accordance with the amount of electricity supplied to the additional heating unit. 3. The superheated steam cooker according to 1 or 2. 4. A water supply variable means for varying the amount of electricity supplied to the boiler, and a water supply amount variable means for changing the amount of water supplied to the water supply means in accordance with the amount of electricity supplied to the boiler. The superheated steam cooker as described. 5. The superheated steam cooker according to claim 1, further comprising an energization ratio varying means for varying a ratio of an amount of electricity to the boiler and an amount of electricity to the additional heating means in the refrigerator. 6. The superheat according to claim 1, further comprising suction switching means for switching between the inside and the outside on the suction side of the air blowing means, and for introducing external air and forcibly exhausting the steam in the storage. Steam cooker.