KR200357125Y1 - Electric pressure heat insulating rice cooker - Google Patents

Abstract

The present invention relates to an electric pressure insulating rice cooker equipped with an inner pot that cooks and keeps warm as heat is applied, and in particular, heat is applied to make cooking and heat insulation is added to improve insulation performance. It relates to an electric pressure thermal cooker that can implement a variety of dishes.

The electric pressure insulating rice cooker according to the present invention is installed to be opened and closed on one side of the lid is open and the rice cooker body is installed in the outer receiving space; Various heaters built in the cooker main body to be positioned around the outer pot to heat the outer pot; A cooking inner pot which is inserted into the outer pot and cooks by heat transferred through the outer pot and various heaters; Inserted at a predetermined interval to the cooking inner pot is made of a thermal insulation inner pot to insulate the heat transferred from the cooking inner pot by heating the heat transferred through the cooking inner pot under a constant warming temperature.

Description

ELECTRIC PRESSURE HEAT INSULATING RICE COOKER}

The present invention relates to an electric pressure insulating rice cooker equipped with an inner pot that cooks and keeps warm as heat is applied, and in particular, heat is applied to make cooking and heat insulation is added to improve insulation performance. It relates to an electric pressure thermal cooker that can implement a variety of dishes.

In general, the electric pressure thermal cooker is a cooking utensil for cooking food that is not boiled at normal pressure in a short time by increasing the pressure in the pot by heating the pot in an enclosed space by an electric heater.

Figure 1 is a side cross-sectional view showing the main portion of the electric pressure insulation rice cooker according to the prior art.

In the electric pressure thermal cooker according to the prior art, as shown in FIG. 1, the outer pot 4 is built in the main body 2, and the hot plate 6 having a flat plate shape is installed on the bottom of the outer pot 4. Side heaters 8 and top heaters 9 are respectively installed on the outer circumference and the upper side of the outer pot 4, and the inner pot 4 is cooked and warmed by being heated by various heaters 6, 8, and 9. This inner pot 10 is made.

Here, the main body 2 is formed so that the upper surface is open, the lid 1 is installed to be opened and closed on the upper surface, the top heater 9 is attached to the inside of the lid 1 is the lid (1) The top heater 9 is preferably positioned to cover the inner pot 10 when the main body 2 is closed.

Of course, the hot plate 6, the side heater 8 and the top heater 9 is connected to a control unit (not shown) to control the heat generated by the circuit, the center sensor 12 in the center of the hot plate 6 The center sensor 12 senses the temperature of the inner pot 4 to adjust the operation of the hot plate 6, the side heater 8, and the top heater 9.

Looking at the operation of the conventional electric pressure thermal rice cooker configured as described above, inserting the inner pot (10) containing the rice and water in the ratio of the appropriate amount into the outer pot (4), and then the control unit in the closed state of the lid (1) The operation of the hot plate 6 is controlled according to the program embedded in it, and thus cooking is performed while the inner pot 10 is heated.

When the cooking is completed in this way, the power supplied to the hot plate 6 is cut off, the power is supplied to the side heater 8 and the top heater 9 to maintain the temperature inside the inner pot 10 at a warming temperature While warming the rice inside the inner pot (10).

However, since the electric pressure insulating rice cooker according to the prior art keeps the inner temperature of the inner pot 10 in close contact with the power supply to the side heater 8 and the top heater 9 during the warming process, it maintains an appropriate warming temperature. In the inner pot 10, the temperature difference between the portions adjacent to the side heater 8 and the top heater 9 and other portions thereof is not only large, but also the rice inside the inner pot 10 is brought into contact with external air. There is a problem such as discoloration and whitening, or the smell is generated, thereby causing a problem that the insulation quality of the rice is degraded, thereby lowering the overall reliability of the product.

The present invention has been made to solve the above problems of the prior art, an object of the present invention is to provide an electric pressure thermal cooker that can improve the thermal insulation performance by maintaining the temperature inside the inner pot by changing the inner pot structure.

Figure 1 is a side cross-sectional view showing the main portion of the electric pressure insulation rice cooker according to the prior art;

Figure 2 is a side cross-sectional view showing the main portion of the electric pressure insulation rice cooker according to the present invention,

Figure 3 is a side cross-sectional view showing the inner inner pot assembly of the electric pressure thermal cooker according to the present invention,

Figure 4 is a perspective view of the inner inner pot assembly of the electric pressure insulating rice cooker according to the present invention.

<Explanation of symbols on main parts of the drawings>

51: lid 52: body

54: pot 56: hot plate

58: side heater 59: top heater

60: cooking inner pot 62: center sensor

70: warm inner pot 72: pedestal

74: pedestal handle 76: warm inner pot lid

Electric pressure insulation rice cooker according to the present invention for solving the above problems is installed to be openable and open on one side of the lid open and the cooker body is installed in the outer receiving space; Various heaters built in the cooker main body to be positioned around the outer pot to heat the outer pot; A cooking inner pot which is inserted into the outer pot and cooks by heat transferred through the outer pot and various heaters; Is inserted into the cooking inner pot at a predetermined interval by insulating the heat transferred through the cooking inner pot is composed of a warm inner pot to keep the rice cooked and transferred from the cooking inner pot under a constant warming temperature.

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

2 is a side cross-sectional view showing the main portion of the electric pressure insulating rice cooker according to the present invention, Figure 3 and Figure 4 is a side cross-sectional view and a perspective view showing the inner inner pot assembly of the electric pressure insulating rice cooker according to the present invention.

Electric pressure insulating rice cooker according to the present invention is the upper surface is open as shown in Figure 2 and the outer pot 54 having excellent heat transfer performance is built into the body 52 formed therein accommodating space therein and the body 52 The lid 51 is installed on the upper surface so as to be open and close, various heaters 56, 58, and 59 are mounted around the outer pot 54, and the inner pot 60 for cooking is inserted into the outer pot 54. In addition to the installation, the cooking inner pot 60 is installed to keep the warming inner pot 70 which is kept warm.

Here, the outer pot 54 is fixed to the receiving space inside the main body 52, the various heaters 56, so that the cooking and warming is made by heating the cooking inner pot 60 around the outer pot 54 58 and 59 are mounted, and in particular, a hot plate 56 having a flat plate shape is installed above the bottom of the outer pot 54, and the side heater 58 is wound around the outer pot 54. When the top heater 59 is installed inside the lid 51 and the lid 51 is closed to the main body 52, the top heater 59 is installed to cover the upper side of the outer pot 54, and the hot plate ( 56 and the side heater 58 and the top heater 59 are connected to a control unit (not shown) so that the circuit can be controlled to control the operation.

In addition, a center sensor 62 which is a kind of temperature sensor is installed at the center of the hot plate 56, and the hot plate 56 and the side are sensed by sensing the heat supplied to the cooking inner pot 60 by the center sensor 62. The power supplied to the heater 58 and the top heater 59 is controlled.

In this case, the hot plate 56 is heated to the cooking inner pot 60 at a relatively high temperature to cook in the inside, while the side heater 58 and the top heater 59 is in the warming inner pot 70 Heated to a relatively low temperature so that various dishes such as warming and steaming or boiling are made therein.

Next, the cooking inner pot 60 is made of a material having excellent heat transfer performance similar to the outer pot 54, but is formed smaller than the outer pot 54 is installed to be inserted into the outer pot (54).

At this time, the cooking inner pot 60 is installed so that the bottom surface is mounted on the hot plate 56 and the upper end is caught on the top of the outer pot 54, when the lid 51 is closed the top heater 59 ) Is installed to cover the top of the outer pot 54 and the cooking inner pot 60 at the same time.

Next, the warming inner pot 70 is made of a material having excellent heat insulating performance even if the heat transfer performance is lower than the cooking inner pot 60, is formed smaller than the cooking inner pot 60 is inserted into the cooking inner pot 60 It is installed so that.

In particular, the insulating inner pot 70 is formed so that the outer diameter is smaller than the inner diameter of the cooking inner pot 60 to be installed in a state in which the predetermined inner space with the cooking inner pot 60, the bottom surface The support rib 72a is inserted into the cooking inner pot 60 so as to be mounted on the pedestal 72 formed to protrude downward by a predetermined length.

At this time, the pedestal 72 is formed to surround the lower end of the inner inner pot 70, and support ribs 72a are formed to protrude downwardly around the bottom surface, and at the same time increase the heat transfer efficiency at the center of the bottom surface. Holes 72h are formed to save material.

In addition, the pedestal 72 is the pedestal 72 so that the warming inner pot 70 and the pedestal 72 can be inserted or withdrawn at the same time to the cooking inner pot 60 at the same time the warming inner pot 70 is seated. Pedestal handle portion 74 is formed so as to protrude around the top, the pedestal handle portion 74 is formed to protrude more than the top of the warm inner pot 70 on both sides of the top circumference of the pedestal 72, the end It is formed to be bent inwardly.

In addition, the warming inner pot 70 is provided with a disc-shaped warming inner pot lid 76 to cover the top of the warming inner pot 70 to increase the warming performance, the warming inner pot lid 76 is the warming inner pot 70 One or more vapor discharge holes 76h are formed at predetermined intervals in the circumferential direction so as to partially discharge the steam therein, and the lid handle 76a is integrally formed to protrude upward in the center thereof.

Of course, the insulation inner pot lid 76 is installed in such a state that the insulation inner pot 70 and the insulation inner pot lid 76 are placed on the pedestal 72 in a state in which the insulation inner pot lid 76 is closed to the insulation inner pot 70, and then the cooking inner pot 60. The inner pot lid handle 76a is positioned inside the cooking inner pot 70 even when inserted into the inner pot.

Looking at the operation of the electric pressure thermal cooker according to the present invention configured as described above, as follows.

First, the cooking inner pot 60 containing an appropriate amount of rice and water is inserted into the outer pot 54 so that the bottom surface thereof is placed on the hot plate 56, and then the cooking operation is performed while the lid 51 is closed. In this case, the hot plate 56 is heated by the operation of the control unit, and thus the heat generated from the hot plate 56 is transferred to the cooking inner pot 60, and the cooking is performed to complete the rice.

Of course, as well as the hot plate 56 and the side heater 58 and the top heater 59 during the cooking operation to operate the entire cooking inner pot 60 can be cooked with a better rice taste.

When cooking is completed as described above, the lid 51 is opened, and the rice of the cooking inner pot 60 is transferred to the warming inner pot 70, and the warming inner pot lid 76 is placed on top of the warming inner pot 70. ) To be placed on the pedestal 72 in a state where it is covered, and then holding the pedestal handle 74 to move the warming inner pot 70 and the warming inner pot lid 76 together with the pedestal 72. Insert into the inner pot (60).

At this time, since the support ribs 72a are formed to protrude downward from the bottom surface of the pedestal 72, the bottom surface of the insulating inner pot 70 is spaced apart from the bottom surface of the cooking inner pot 60 by a predetermined distance. It is supported in a state, since the warming inner pot 70 is also formed smaller than the cooking inner pot 60, the circumferential surface of the warming inner pot 70 is spaced apart a predetermined interval between the circumferential surface of the cooking inner pot (60) By being installed, an insulation space is formed between the warm inner pot 70 and the cooking inner pot 60.

As such, after inserting the warming inner pot 70 containing rice into the cooking inner pot 60, and performing the warming operation in a state in which the lid 51 is closed, the side heater 58 and the operation of the control unit are operated. The top heater 59 is heated, and as a result, heat generated from the side heater 58 and the top heater 59 is transferred to the warming inner pot 70 to perform a warming action.

Of course, not only the side heater 58 and the top heater 59 but also the hot plate 56 may be heated to evenly heat around the cooking inner pot 60.

At this time, since a predetermined heat insulating space is formed between the cooking inner pot 60 and the warming inner pot 70, the heat of the cooking inner pot 60 heats the air in the heat insulating space, thereby keeping the heat insulating in the heat insulating space. Uniform heat is uniformly applied to the entire inner pot 70, which can be stored for a longer time so that discoloration or odor does not occur.

Of course, since it is possible to uniformly apply uniform heat to the inside of the warm inner pot 70 as described above, not only the rice is kept in the warm inner pot 70 but also various dishes such as hot water or steam can be implemented.

Electric pressure insulating rice cooker according to the present invention configured as described above is installed so that the cooking inner pot is cooked in the outer pot is heated by various heaters, the insulation inner pot is inserted into the cooking inner pot at a predetermined interval to be inserted Since it is installed so that an insulation space is formed between the inner pot and the inner pot, it is possible to insulate the inner pot and keep the inside at a uniform temperature, thereby preventing the rice from discoloring or smelling, thereby improving the insulation performance. In addition, the uniform heat can be applied uniformly to the whole inner pot, there is an advantage that can implement a variety of dishes such as steam or steam.

Claims (6)

A rice cooker body which is installed to be opened and closed on one surface of which the lid is opened and which has an outer pot installed in the inner receiving space; Various heaters built in the cooker main body to be positioned around the outer pot to heat the outer pot; A cooking inner pot which is inserted into the outer pot and cooks by heat transferred through the outer pot and various heaters; The electric pressure thermal cooker, characterized in that made of a thermal insulation inner pot to insulate the heat transferred from the cooking inner pot is inserted into the cooking inner pot at a predetermined interval by the insulating inner pot to keep the heat transferred under a constant warming temperature. The method of claim 1, The insulation inner pot is formed so that the outer diameter is smaller than the inner diameter of the cooking inner pot smaller than a predetermined interval, and installed on the cooking inner pot so that the support rib on the bottom surface is formed to protrude downward to a predetermined length. Rice cooker. The method according to claim 1 or 2, The pedestal is an electric pressure thermal cooker, characterized in that the protruding more than the top of the inner inner pot so that the user can easily grab around, and the end handle is formed integrally with the end bent inward. The method according to any one of claims 1 to 3, The insulation inner pot is an electric pressure insulation rice cooker characterized in that the cover is installed to cover the inner inner pot lid open. The method of claim 4, wherein The insulation inner pot lid is an electric pressure insulation rice cooker, characterized in that at least one steam discharge hole is formed to discharge a portion of the steam inside the insulation inner pot. The method of claim 5, wherein The insulation inner pot lid is an electric pressure insulation rice cooker, characterized in that the inner pot lid portion protruding integrally formed in the center so that the user can easily catch the cover.