KR100193092B1 - Electric thermostat rice cooker - Google Patents

Abstract

The present invention, when entering the warming process after the completion of cooking of the electric rice cooker by introducing the outside air into the inner pot and the internal high temperature and humidity air is discharged to the outside to force the cooling of the rice, to prevent the occurrence of water condensation on the lid It relates to an electric warm rice cooker is installed to prevent water droplets formed on the lid to fall of the falling water to reduce the deterioration rate of the rice and reduce the deterioration rate of the rice.

According to the present invention, the inner pot (2) is opened in the upper portion and a predetermined space portion is formed, the outer pot (8) on which the inner pot (2) is seated, and is installed at one end of the outer pot (8) to heat the inner pot (2) A heater, an inlet 11 for introducing external air into the inner pot 2, an outlet 12 for discharging the air in the inner pot 2 to the outside, and the inner pot 2 The present invention provides an electric rice cooker having a condensation preventing device configured as a discharge means for forcibly discharging the air inside.

Description

Electric thermostat rice cooker

The present invention relates to an electric thermal rice cooker installed with water condensation preventing device, and in detail, when entering the warming process after completion of cooking of the electric thermal rice cooker, the outside air is introduced into the inner pot and the internal high temperature and humidity air is discharged to the outside. By forcibly cooling the rice to prevent water from forming in the lid to prevent water droplets falling on the lid to reduce the quality of the rice and to reduce the deterioration rate of the rice is an electric insulation rice cooker is installed .

In general, the electric rice cooker has a cooking function and a warming function is an appliance to cook rice using electricity and to warm one rice.

1 illustrates a conventional electric rice cooker, which will be described below.

Electric heat cooker is largely composed of a lid 101 and the body 110. Among them, the main body 110 has an inner pot 102, which is opened upwardly so as to embed rice therein, and has a predetermined space portion, an outer pot 108 on which the inner pot 102 is seated, and an outer pot 108 of the inner pot 108. The cooking heater 103 for heating the inner pot 102 containing rice, the temperature sensor 109 installed at the central portion of the cooking heater 103 and sensing the temperature, and the image of the outer pot 108 Is installed in the side portion is composed of a heating heater 105 for heating to maintain the warmth in the inner pot (102).

The lid 101 is composed of a lid 106 which seals the upper end opening of the inner pot 102 and a safety valve 107 for discharging the steam inside to the outside.

In addition, the outside of the main body 110 and the lid 101 is wrapped with a heat insulating case 104 to prevent safety accidents due to high temperature heat generated inside the electric rice cooker and to improve thermal efficiency.

Here will be described the operation according to a more detailed internal configuration and internal configuration of the electric rice cooker.

The inner pot 102, which is placed inside the rice for making rice, is inserted into the outer pot 108 and is seated. The shape of the outer pot 108 is similar to the outer shape of the inner pot 102, and the inner pot is disposed at the lower end of the outer pot 108. A cooking heater 103 for heating and cooking the inner pot 102 is placed in contact with the lower end of the inner portion 102. The central portion of the cooking heater 103 is in contact with the central lower end of the inner pot 102, thereby causing a temperature of the inner pot 102. Temperature sensor 109 for detecting the is installed at a slight distance from the cooking heater 102.

In addition, an insulating heater 105 is installed at the upper and middle ends of the outer pot 108 to maintain the warmth of the inner pot 102. Thus, the insertion structure of the inner pot 102 inserted and seated inside the outer pot 108 is provided. At the outer surface of the inner pot 102 and the outer pot 108 is spaced apart a little apart and the bottom of the inner pot 102 is in contact with the cooking heater 103 of the outer pot 108 is the heater of the outer pot 108 ( Heat generated in the inner pot 102 and the outer pot 108 is a conductive path in the contact portion of the inner pot 102, the heat transfer is made to the inner pot 102 by convection where it is not in contact.

When the electric heat cooker having a heat transfer path as described above operates the cooking mode, the inner pot 102 is heated by the cooking heater 103 so that the rice inside the inner pot 102 turns into rice, and the cooking is completed when the cooking mode is finished. When the heater 103 is stopped and the temperature sensor 109 detects the internal temperature of the electric thermal cooker and falls below a predetermined temperature (75 ° C.), the thermal heater 105 is operated to increase the internal temperature of the electric thermal cooker. The warming mode is activated.

By the way, in the conventional electric heating rice cooker when the operation of the cooking heater is stopped when switching from the cooking mode to the warming mode, the metal inner pot 102 and the cover 106 is cooled before the rice, the inner pot 102 and the cover ( When the 106 is cooled before the rice, hot steam inside the inner pot 102 condenses on the inner pot 102 and the cover 106 to form water droplets.

Thus, when the water drops formed on the inner pot 102 and the cover 106 fall into the rice, the quality of the rice is deteriorated and the speed of change of the rice is also increased, which causes the rice to spoil easily.

The present invention for solving the problems as described above, after the cooking of the electric rice cooker completes the conversion to the warming mode to prevent the condensation of the steam inside the inner pot and the cover condensed into water droplets to reduce the quality of the rice It is an object of the present invention to provide an electric rice cooker, which prevents the deterioration and reduces the deterioration rate of rice, and is installed with a water condensation preventing device.

1 is a cross-sectional side view showing a schematic internal configuration of a conventional electric rice cooker.

Figure 2 is a side cross-sectional view showing a schematic internal configuration of the electric rice cooker according to the present invention.

3 is a partial cross-sectional view of the outside air inlet of FIG.

4 is a partially enlarged cross-sectional view of the internal air outlet of FIG. 2;

* Explanation of symbols for main parts of the drawings

1: lid 2: inner pot

3: cooking heater 5: warming heater

6: cover 8: outer pot

10: main body 11: inlet

12 outlet 13 filter

14: blower fan 15: book valve

16 solenoid valve 17 steam temperature sensor

The present invention is devised to improve the conventional problems as described above, the inner pot is opened to the upper portion formed with a predetermined space portion, the outer pot is seated on the inner pot, the heater is installed on one end of the outer pot to heat the inner pot And an electrical inlet prevention device including an inlet for introducing external air into the inner pot, an outlet for discharging the air in the inner pot to the outside, and a discharge means for forcibly discharging the air in the inner pot. Provide a warm rice cooker.

Hereinafter, an embodiment of the present invention will be described in more detail with reference to the accompanying drawings.

As shown in FIG. 2, the electric warm rice cooker having the water condensation preventing device according to an embodiment of the present invention has an inner pot 2, an outer pot 8, a cooking heater 3, and a warm heater 5 and a temperature. A main body 10 including a sensor 9, a lid 6, a safety valve 7, and a lid including an external air inlet 11, an internal air outlet 12, a blower fan 14, and the like ( It consists of 1).

The main body 10 has an outer pot 8 to which the inner pot 2 which is opened upward so as to embed rice therein and a predetermined space portion and the detachable inner pot 2 is seated and fixed.

The lower end of the inner pot 2 is provided with a cooking heater 3 for heating the inner pot 2 containing rice in contact with the inner pot 2, and the center lower end of the inner pot 2 in which the cooking heater 3 is not in contact. There is a temperature sensor 9 for detecting the temperature of the inner pot (2) heated by the cooking heater (3) is installed in contact with the inner pot (2), the upper portion of the outer pot (8) is located in the inner pot (2) Thermal insulation heater 5 for keeping rice at a constant temperature is installed.

Lid (1) is provided with a cover (6) for sealing the upper opening of the inner pot (2) and a safety valve (7) for discharging the high temperature and high pressure steam inside the inner pot (2) when cooking.

In addition, the lid 1 has an external air inlet 11 for introducing external air to cool the rice inside the inner pot 2 and an internal air outlet 12 for discharging the internal air to the outside, As illustrated in FIG. 3, the external air inlet 11 has a filter 13 and an air inside the inner pot 2 capable of filtering external air introduced into the inner pot 2 when the outside air is introduced. A book valve 15 for preventing the air from passing through the air inlet 11 and a steam temperature sensor 17 for measuring the temperature of the discharged internal air are installed.

As illustrated in FIG. 4, the internal air discharge unit 12 is provided with a blowing fan 14 for forcibly discharging the steam in the inner pot 2 to the outside, and may control the air discharged to the outside. Solenoid valve 16 is installed.

In addition, the outside of the main body 10 and the lid 1 is wrapped with a heat insulating case 4 to prevent safety accidents due to high temperature heat generated inside the electric rice cooker and to improve thermal efficiency.

Referring to the working state of the present invention configured as described above are as follows.

The rice is placed inside and the inner pot 2 is seated in the outer pot 8 to operate the cooking heater 3 installed in the inner pot 8 of the inner pot 2 and the cooking proceeds. In this way, the cooking process is started through the absorption process of absorbing water into the grains of rice, the heating process of raising the contents to a predetermined temperature, the boiling process, and the steaming process.

When the cooking process is completed, the cooking heater 3 is stopped and the warming process is started.

When the warming process is started, operation power is supplied to the solenoid valve 16 and the blower fan 14 of the internal air discharge unit 12 under the control of a microcomputer (not shown). The solenoid valve 16 which blocked the opening opens the discharge part 12, and the blower fan 14 operates.

When the blower fan 14 is operated, hot steam generated after the completion of the cooking process is discharged to the outside through the discharge unit 12, and when the steam in the inner pot 2 is discharged to the outside by the blower fan 14, the inner pot ( 2) the pressure inside is lowered, the book valve 15 installed in the external air inlet 11 is opened, the external cold air is introduced into the inner pot (2). At this time, the outside air passes through the filter 13, the outside contaminated air is filtered through the filter 13 to ensure the cleanness of the rice in the inner pot (2).

As the process continues, the rice is cooled, and the process continuously detects the temperature of the air discharged to the outside in the inner pot 2 by the steam temperature sensor 17 installed in the discharge unit 12, and the process Is continued until the temperature of the air discharged to the outside through the discharge portion 12 becomes a temperature below the set value.

Thus, when the cooking is completed until the cooling process of the rice in the inner pot (2), the temperature of the steam in the inner pot (2) is lower than the temperature of the inner pot (2) and the cover (6) to the inner pot (2) and the cover (6) The water droplets are not formed, and if the water droplets do not form on the inner pot 2 and the cover 6, the water droplets do not fall on the rice, and the quality of the rice is prevented from being deteriorated or deteriorated.

In the electric heat cooker equipped with the water condensation prevention device configured as described above, the filter 13 for filtering the inlet external air installed in the external air inlet 11 needs to be cleaned or replaced when contamination occurs. The filter 13 is made detachable at the inlet 11.

And the valves provided in the inlet 11 and outlet 12 may be any type as long as it can play the role of the present invention, the solenoid valve 16 to the book valve 15 of the inlet 11 Alternatively, all valves installed at the inlet 11 and the outlet 12 may be replaced with a valve operated by a motor. It is also possible to use a combination of all the valves mentioned.

The blower fan 14 for discharging the internal air may also be installed in the inlet 11 without being installed in the outlet 12, and the inlet 11 and the outlet 12 are not installed in the lid. It can also install in (10).

In addition, the electric rice cooker has a warm rice cooker having only a heat insulation function without cooking, by installing a water condensation prevention device in the warm rice cooker to prevent the deterioration of the quality of the rice and slow down the deterioration rate of the rice.

As described above, the present invention is the external air inlet and the internal air outlet and the internal air to forcibly discharge the hot air to cool the rice in the inner pot after completion of the cooking process of the electric thermal cooker to the outside Is installed with a blower fan for forcibly discharging the outside air and inhaling the cold air into the inner pot. It is effective to prevent the deterioration of rice quality and the promotion of deterioration caused by falling rice.

While the invention has been shown and described with respect to particular embodiments, it will be readily apparent to those of ordinary skill in the art that various modifications and changes can be made without departing from the spirit and scope of the invention as set forth in the claims. You will know.

Claims (5)

An inner pot 2 opening upward and having a predetermined space portion, an outer pot 8 on which the inner pot 2 is seated, a heater installed at one end of the outer pot 8 to heat the inner pot 2, The inlet part 11 for introducing outside air into the inner pot 2, the discharge part 12 for discharging the air in the inner pot 2 to the outside, and the air inside the inner pot 2 are forced. Electric insulation rice cooker is installed, characterized in that consisting of a discharge means for discharging with water. 2. The electric thermal rice cooker according to claim 1, wherein the discharge means is a blower fan (14) which rotates by a motor to discharge air in the inner pot (2) to the outside. The apparatus of claim 1, wherein a filter 13 is installed at the inlet 11 to filter outside air introduced into the inner pot 2 through the inlet 11. Installed electric thermal cooker. 4. The electric thermal rice cooker according to claim 3, wherein the filter (13) is detachable. [3] The water according to claim 1 or 2, wherein valves for blocking moving air are provided in the inlet part 11 for introducing the outside air and the outlet part 12 for discharging the inside air. Electric insulation rice cooker with condensation prevention device installed.

Images