KR200391154Y1 - Power device for electric pressure heat insulating rice cooker - Google Patents

Abstract

The power cut-off device of the electric pressure thermal rice cooker according to the present invention is provided with a main body having various electric heaters for heating the receiving space while the receiving space is formed, and installed to be inserted into the receiving space of the main body to contain rice and water. A reed switch including an inner pot made of the inner pot, a lid installed to open and close the main body and covering the body and the inner pot to seal the inner pot, and a reed switch built in the lid to cut off power supplied to the electric heaters when overheated. And a receptacle configured to enclose the reed switch to protect the reed switch, and at the same time, a receptacle assembly of one side screwed to the lid to fix the reed switch to the lid. The reed switch is broken by the assembly tool and other factors. It relates to a power cut-off device of the electric pressure thermal cooker that can prevent the thing.

Description

Power breaker of electric pressure thermal cooker {POWER DEVICE FOR ELECTRIC PRESSURE HEAT INSULATING RICE COOKER}

The present invention relates to a power cut-off device of an electric pressure thermostat rice cooker including a reed switch to cut off the power supplied to various heaters when overheating, in particular, because the reed switch is mounted in a state in which all the reed switches are wrapped. The present invention relates to a power cut-off device of an electric pressure thermal cooker that can be prevented from being damaged by tools and other factors.

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.

In general, the electric pressure thermal cooker is accommodated in the main body, the outer lid and the inner pot lid is installed to be opened and closed to seal the inner pot by covering the main body and the inner pot, the inner pot is a variety of built-in Cooking is performed while being heated by the heater.

Of course, the outer lid and the inner pot lid side is provided with a pressure control device to adjust the pressure in the inner pot, the pressure regulator is to maintain the pressure inside the inner pot during cooking in the inner pot at the cooking pressure The solenoid valve is configured to be installed in the steam discharge passage formed between the outer lid and the inner pot lid, and the solenoid valve is configured to be closed at all times and is adjusted to open when power is applied.

However, since the solenoid valve is closed during a power failure during cooking, the pressure regulator as described above may prevent the pressure inside the inner pot from being excessively increased. It is configured to include a steam discharge device additionally between the outer lid and the inner pot lid to discharge the steam.

In addition, a power cutoff device including a reed switch is installed to interlock with the vapor discharge device.

Therefore, even when steam in the inner pot is discharged through the steam discharge device, when the pressure inside the inner pot becomes higher as the heater continues to operate, the power supplied to the heater is cut off by the reed switch to cut off the inner pot. Too much pressure can be prevented.

1 is a perspective view showing a power cut device of the electric pressure thermal rice cooker according to the prior art, Figure 2 is a perspective view showing a conventional reed switch assembly applied to FIG.

Looking at the power cut-off device of the electric pressure thermal rice cooker according to the prior art with reference to Figs. 1 and 2, it is installed to heat the inner pot (not shown) accommodated with a variety of electric heater (not shown) built into the body (not shown) At the same time, a lid (not shown) is installed on the upper side of the main body so as to be opened and closed, and the steam discharge device (not shown) may discharge the steam to the outside even if the pressure inside the inner pot is excessively increased due to abnormal operation. At the same time, the lid switch 4 is installed to be built in the lid to cut off the power supplied to the electric heater when the pressure inside the inner pot becomes higher even though the steam discharge device is operated at the same time.

Here, the lid is formed so that the lower lid (2) is coupled to the lower side of the upper lid (not shown), the reed switch 4 is the mounting member 6 in a state seated on a separate mounting member (6) The lower lid (2) is screwed and assembled on the upper side, it is electrically connected by the electric heater and the wire (W).

Specifically, the mounting member 6 is formed with a receiving groove 6h so that the circuit board P on which the reed switch 4 is installed is formed, and at the same time, a mounting portion 6a which is screw-assembled on one side is formed. A fixing boss B is formed on the lower lid 2 so that the screw S can be fitted therein.

Therefore, even when the pressure inside the inner pot is excessively high, the steam is discharged through the steam discharge device, and even when the steam is discharged, the reed switch 4 is connected to the electric heater when the pressure inside the inner pot is higher. It is operated to cut off the power supply, thereby preventing the inner pot from being heated, thereby preventing an increase in the pressure inside the inner pot.

However, the power cut-off device of the electric pressure thermostat rice cooker according to the prior art is the circuit board (P) on which the reed switch (4) is mounted is seated on the mounting member (6) from the upper surface of the mounting member (6) Since one side is assembled with the screw (S) by using an assembly tool such as a screwdriver to the lid, the assembly tool may be damaged from the screw (S) by hitting the reed switch (4) during assembly. Due to abnormal operation or carelessness, foreign matters such as rice, water, dust, and the like may enter the reed switch 4 and be damaged.

The present invention has been devised to solve the above problems of the prior art, is installed to protect the reed switch to cut off the power supplied to the electric heater during abnormal operation of the electric heater to heat the inner pot is damaged due to external force, foreign matter, etc. It is an object of the present invention to provide a power cut device of the electric pressure thermal cooker that can be prevented.

In order to solve the above problems, the power cut-off device of the electric pressure insulating rice cooker according to the present invention is formed so as to be inserted into the receiving space of the main body, and a built-in electric heater for heating the receiving space at the same time the receiving space is formed; The inner pot is cooked by rice and water, and the lid is installed to open and close the main body to cover the main body and the inner pot to seal, and the built-in lid to cut off the power supplied to the electric heater when overheated And a receptacle assembly including a reed switch and a receptacle assembly that is accommodated to surround the reed switch to protect the reed switch and one side is screw-assembled to the lid to fix the reed switch to the lid.

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

3 is a perspective view showing a power cut device of the electric pressure thermal cooker according to the present invention, Figures 4a and 4b is a perspective view showing the opening and closing state of the reed switch assembly of the present invention applied to FIG.

In the power cut-off device of the electric pressure thermal rice cooker according to the present invention, the electric heater (not shown) is accommodated in the main body (not shown) to heat the inner pot (not shown) as shown in FIGS. 3 and 4A to 4B. A lid (not shown) is installed on the main body so as to be open and close, and a lid switch 54 is installed on the lid to cut off power supplied to the electric heater when the lid is abnormally operated. The housing assemblies 56 and 58 are installed to be screwed to the inside of the lid in a state of being installed so as to be completely enclosed in the 56 and 58.

Here, the lid is configured such that the lower lid 52 is coupled to the lower side of the upper lid (not shown) to form a predetermined space therein, and the reed switch 54 is embedded on the upper surface of the lower lid 52. Receiving assemblies 56 and 58 are fixed.

At this time, as the inner pot is heated by the electric heater in a sealed state, cooking is performed while the pressure inside the inner pot is increased, and a pressure control device (not shown) which can be electrically opened and closed is installed on the lid side. While discharging the steam inside the inner pot to control the pressure inside the inner pot, a steam discharge device (not shown) that can be mechanically opened and closed on the lid side is installed to prevent steam inside the inner pot when the pressure regulator breaks down. Exhaust to prevent excessively high pressure in the inner pot.

Next, the reed switch 54 to cut off the power supplied to the electric heater in order to prevent the pressure inside the inner pot is excessively increased even if the steam in the inner pot is discharged by the steam discharge device, the steam Even when the discharge device is operated, the reed switch 54 may be configured to be operated in electrical / mechanical interworking with the steam discharge device when the pressure inside the inner pot increases above the critical pressure.

At this time, the reed switch 54 is installed so as to be seated on the circuit board (P), the wire (W) connected from the circuit board is installed to be connected to the power side supplied to the electric heater, the reed switch 54 Is preferably installed to be connected to the microcomputer (not shown) to control the overall cooking and warming operation.

Next, the accommodating assemblies 56 and 58 are largely accommodated in the accommodating part 56a on which the circuit board P is seated, and a mounting part formed on one side of the accommodating part 56a and screwed to the lower lid 52. 56b and a protective cover 58 provided to be opened and closed to the housing 56a to cover the reed switch 54 and the circuit board P.

Specifically, the accommodating part 56a is configured such that an upper surface thereof is opened and an accommodating groove 56h is formed therein, and the mounting part 56b is screwed to a portion protruding in a horizontal direction on one side of the accommodating part 56a. At the same time as the hole S is assembled, reinforcing ribs are formed in the vertical direction between the accommodating portion 56a.

In addition, the protective cover 58 is installed so that the opposite side to the mounting portion 56b hinged on the upper surface of the receiving portion 56a, the mounting portion 56b is hooked between the receiving portion 56a. While the groove 59a is formed, a hinge portion (not shown) is formed on one side so that the protective cover 58 can be folded from the accommodating portion 56a, and at the same time, the protective cover 58 is opened and closed by the hook groove 59a on the other side. The hook 59b is formed.

At this time, the hinge portion in the protective cover 58 is preferably located in the opposite direction to the mounting portion 56b, the hook 59b is preferably located in the same direction as the mounting portion 56b.

Of course, the reed switch 54 and the circuit board P are installed to be completely enclosed by the accommodating part 56 and the protective cover 58, and the wires W connected to the circuit board P are the number. It is installed to be drawn out below the payment part 56.

Therefore, as shown in FIG. 4A, the reed switch 54 and the circuit board P are seated in the receiving groove 56, and then the hook 59b of the protective cover is hook groove 59a of the mounting part. And the mounting cover 56b is assembled to the lower lid 52a by using a separate assembly tool because the protective cover 58 is installed to completely cover the receiving groove 56h. In this case, even if the assembly tool is displaced from the screw S and slides toward the reed switch 54, the reed switch 54 is covered by the protective cover 59 so that the reed switch 54 is damaged. Can be prevented in advance, and in addition, the reed switch 54 can be protected from foreign matter such as rice, water and dust.

On the other hand, as shown in FIG. 4B, when the hook 59b of the protective cover is released from the hook groove 59a of the mounting portion and the protective cover 58 opens the receiving groove 56h, the lead The switch 54 and the circuit board P can be withdrawn from the accommodating groove 56h, thereby allowing for repair, maintenance, and repair.

In the above, the present invention has been described in detail based on the embodiments of the present invention and the accompanying drawings as an example. However, the scope of the present invention is not limited by the above embodiments and drawings, and the scope of the present invention will be limited only by the contents described in the following claims.

The power cut-off device of the electric pressure insulating rice cooker according to the present invention is configured as described above is a reed switch for cutting off the power supplied to the electric heater during abnormal operation of the electric heater for heating the inner pot storage, the mounting portion, the protective cover Since it is installed to be wrapped by the assembly, it is possible to prevent the reed switch from being damaged by the assembly tool during screw assembly of the receiving assembly in which the reed switch is accommodated, and furthermore, the reed from foreign matter such as rice, water, dust, etc. The switch can be protected, which increases the reliability of the product.

1 is a perspective view showing a power cut device of the electric pressure thermal rice cooker according to the prior art,

Figure 2 is a perspective view of a conventional reed switch assembly applied to Figure 1,

3 is a perspective view showing a power cut device of the electric pressure thermal cooker according to the present invention,

4A and 4B are perspective views illustrating an open state of the reed switch assembly of the present invention applied to FIG. 3.

<Explanation of symbols on main parts of the drawings>

52: lower lid 54: reed switch

56: mounting member 56a: housing

56b: mounting portion 56h: receiving groove

58: protective cover 59a: hook groove

59b: hook P: circuit board

S: Screw W: Wire

Claims (3)

A main body having various electric heaters for heating the accommodating space while the accommodating space is formed; An inner pot which is installed to be inserted into the accommodation space of the main body and includes rice and water to cook; A lid installed to open and close to the main body to cover the main body and the inner pot to be sealed; A reed switch embedded in the lid, the reed switch including a reed switch to cut off power supplied to the electric heaters when overheated; The power cut-off device of the electric pressure thermostat rice cooker characterized in that it comprises a housing assembly for protecting the reed switch by wrapping the reed switch to protect the reed switch and one side is screw-assembled to the lid to secure the reed switch to the lid. . The method of claim 1, The accommodating assembly may include an accommodating part having an accommodating space having one surface open to seat the reed switch therein, a mounting part formed at one side of the accommodating part to be assembled to the lid, and opened and closed on an open one side of the accommodating part. Power cutoff device of an electric pressure thermal cooker, characterized in that configured to include a protective cover to be installed. The method of claim 2, The mounting portion includes a hook groove formed between the receiving portion, The protective cover is a power cut-off device of the electric pressure thermal cooker, characterized in that it comprises a hinge portion folded in the opposite direction to the mounting portion, the hook is formed protruding in the same direction as the mounting portion to be caught in the hook groove.