KR101602210B1 - Pettitoes cooking apparatus - Google Patents

Abstract

The present invention relates to a pettitoes cooking apparatus which can be used for a long time safely and maintains the cooking temperature and pressure at the same level to enhance flavor of the broth and boil the pettitoes evenly in order to cook and prepare soft pettitoes. Accordingly, the apparatus includes a coupling unit (140) installed on a body (100) including a heater (101) on the lower part and a safety valve (250) installed on a cover (200) opening and closing the body (100). A controller (300) is electrically connected to the heater (101) of the body (100) in order to set the cooking time and temperature and turn the heater (101) on and off.

Description

[0001] Pettitoes cooking apparatus [

The present invention relates to a pork paw cooking apparatus, and more particularly, to a pork paw cooking apparatus that can be safely used for a long period of time and maintains a constant temperature and pressure during cooking, thereby uniformly boiling the broth and uniformly boiling the pork- The present invention relates to a pork paw cooking apparatus that can be used for cooking.

Pork (swine) is mainly composed of proteins such as collagen and elastin, and its bark, tendons and cartilage are delicious, and other than bones and claws, it is used as an all nutrition.

These pigs using pigs are boiled for a long time, and it is common to supply and sell cooked meat in a large quantity at a different place instead of boiling them directly at a sales shop. However, in Korean Utility Model Registration No. 20-293790, Quot; cooking utensil "is used to cook the foot pendant in a cauldron at a sales shop and cook it directly.

However, the conventional " cauldron cooking utensil " has a problem in that the temperature distribution inside the cauldron is not uniform, so that the foot can not be evenly poured and the taste of the seaweed penetrates into the foot. In addition, the steam generated in the process of boots is pushed out to the outside through the lids covered with the upper part of the cauldron, so that it is difficult to maintain the internal pressure, and a peculiar smell is generated.

Also, there is a risk that the cooker will be forcibly opened due to an increase in the pressure inside the cooker because the pig pork cooking requires a boiling process for a long time. Accordingly, there is a need for a technique capable of adequately maintaining the internal pressure while ensuring safe sealing of the cooking apparatus even if it is heated for a long time in order to cook a large amount of pigs.

Korean Utility Model Registration No. 20-293790

The present invention has been made in order to overcome the above-mentioned problems of the related art, and it is an object of the present invention to provide a steam sterilizer which can securely use for a long period of time through reliable sealing and proper internal steam discharge, And to provide a pork paw cooking apparatus capable of uniformly cooking pork paws having a soft meat quality by uniformly boiling the pork pork pork with a uniform taste.

In order to attain the above object, a pork foot cooking apparatus according to the present invention comprises: a main body having an upper portion opened and a lower portion provided with a heater, a lid hinged to one side of the main body to open and close the main body, And a controller for controlling the internal temperature of the main body and setting the operation time, the apparatus comprising:

The main body is provided with a cylindrical receiving and passing water discharge valve which is provided inside and accommodates the pigs and has an upper surface and a side surface formed with a plurality of through holes, A packing of silicone material disposed on an outer surface of the main body and connected to a through hole formed in a bottom surface of the main body and disposed on an upper surface of the main body so as to close the main body when the lid is closed; And a plurality of fastening portions provided on an outer circumferential surface of an upper portion of the main body to fasten the main body;

The lid includes a pair of first fastening pieces provided on the outer circumferential surface so as to be fastened to the fastening portions of the main body, a steam discharge pipe communicating with the through holes formed on the upper surface of the lid, A steam discharge valve disposed on the other side of the steam discharge pipe for discharging the steam inside the main body by an operation lever; A safety valve for discharging steam inside the main body when the pressure is higher than the pressure;

The controller includes a temperature setting unit for setting an internal temperature of the main body when cooking, a time setting unit for setting a running time of the heater, a temperature receiving unit for receiving an internal temperature of the main body from a temperature detecting sensor provided in the main body, And a control unit for comparing the internal temperature of the main body received by the temperature sensing unit with the internal temperature of the main body set by the temperature setting unit and determining whether the heater operating time set by the time setting unit has elapsed, and a control unit for controlling the on / off operation.

As an embodiment of the present invention, a cover may be further provided with a handle so as to facilitate operation when opening and closing the cover, and in order to perform an additional function, the controller includes a reservation setting unit, an ON / OFF input unit, a heater driving unit, A temperature / time display unit may further be provided.

In a preferred embodiment of the present invention, the fastening portion includes a pair of second fastening pieces provided on the outer circumferential surface of the upper end of the main body so as to correspond to the first fastening pieces when the lid is closed, And a lever portion having a fastening rod rotatably coupled to the second fastening piece through a coupling member and having a male screw portion formed on the outer circumferential surface on the other end side and a groove portion having a female screw portion formed on an inner circumferential surface thereof so as to be screwed with the male screw portion of the fastening rod .

According to an embodiment of the present invention, the safety valve may include a cover coupled to an upper portion of the steam discharge pipe and having a steam discharge hole formed at the center of the upper surface thereof, and a cover having a diameter smaller than a diameter of the steam discharge hole, And a plug which is inserted into the steam discharge hole and has a lower end formed with a plug for opening and closing a steam inlet hole formed on the steam discharge pipe and a spring for elastically supporting the inside of the cover with the pin member inserted .

The lid according to the present invention is characterized in that the lid has a tight contact portion protruding along the edge of the lower end of the lid to abut the packing when the lid is closed by the lid, And a transparent window installed through the fixing member in the center of the cover.

According to the present invention, pigs are cooked at a uniform temperature and pressure so that the taste and ingredients of the broth are uniformly added to the pigs 'paws, as well as the pigs' legs, which are well-preserved collagen and elastin, It can be cooked directly on the market in large quantities.

More specifically,

1) It has a fastening piece, a fastening part, a packing, and a tightly attached part, so that the body and the lid can be surely sealed only by a simple operation, so that a large amount of pigs can be safely cooked for a long time.

2) Using the present invention having a compact configuration, it is possible to cook paws directly at a direct pig paws sale store, thereby providing the pigs of the quality with good quality to the consumers. Therefore, the pig pony cooking apparatus according to the present invention is excellent in ease of installation and field.

3) According to the present invention, not only the internal pressure of the cooker is kept constant by the simple structure but also the internal pressure can be gradually lowered when the lid is opened, thereby ensuring the stability of the apparatus.

4) By constantly detecting the internal temperature of the main body through the controller, it is possible to constantly maintain the cooking temperature at a constant level, thereby providing the pigs with uniform quality of life and soft meat quality, and the user can freely change the cooking temperature and cooking time And the environment (amount and condition of material, place of installation, amount of broth, possible cooking time, etc.).

FIG. 1 is a perspective view showing a pig-foot cooking apparatus according to the present invention,
FIG. 3 is a view showing a lid of a pig-foot cooking apparatus according to the present invention,
FIG. 4 is a longitudinal sectional view of a pig-foot cooking apparatus according to the present invention in which a cover is opened,
FIG. 5A is a view showing a part A of FIG. 4 in detail, FIG. 5A is a view showing a state in which a fastening part of a pig foot cooking apparatus according to the present invention is released, FIG. 5B is a view showing a fastened state of the fastening part, FIG. 5C is a vertical sectional view of the fastening portion taken along line AA in FIG. 5B,
FIG. 6 is a longitudinal sectional view showing a state in which the safety valve of the pig foot cooking apparatus according to the present invention closes the steam discharge pipe, and FIG. 6 (b) Is a longitudinal sectional view showing a state of being opened,
FIG. 7A is a block diagram illustrating a controller configuration of a foot-pork cooking apparatus according to the present invention, and FIG. 7B is a flowchart illustrating a cooking process performed by a controller of a pig-foot cooking apparatus according to the present invention.

The pork foot cooking apparatus according to the present invention keeps the temperature of the inside of the body, which is boiled by the broth, constant at the set temperature and maintains the internal pressure of the body constantly, so that the broth taste and ingredients are sufficiently added, An apparatus for cooking soft pork paws, comprising: a body (100) having a heater (101) at the bottom; a lid (200) for opening and closing the body; and a controller (300) for setting the cooking temperature and time and controlling the apparatus do.

Hereinafter, the present invention will be described in detail by illustrating embodiments of the present invention with reference to the accompanying drawings.

As shown in FIGS. 1, 3, and 4, the main body 100 according to the present invention plays a role of boiling pigs through a heater 101, which is filled with broth, The upper part is opened to be opened and closed by the lid 200 and the lower part is provided with a heater 101 so that heat can be transmitted to the bottom surface of the main body and the hinge H is coupled with one side of the lid 200 at one side of the upper part, .

The main body 100 includes a receiving cylinder 110 for receiving a pig's swine, a soup outlet 120 for discharging the broth in the main body when the broth is replaced, a lid 200, A packing 130 disposed at a portion in close contact with the lid 200 to maintain the state of the lid 200 and a fastening portion 140 for releasably fastening the lid 200 to the lid 200.

The receptacle 110 is accommodated in the main body 100 to receive the pigs P and is disposed on the receiving receptacle 102 provided on the bottom surface of the main body 100, So as to be spaced apart from the inner surface of the main body 100 by a predetermined distance.

In addition, the receiving cylinder 110 is preferably cylindrical in shape, and the upper surface thereof is open, but the lower surface and the side surface thereof are formed with a plurality of through holes 111. The convection current, which is heated through the heater 101, And the vortexes are generated by flowing vortexes through the plurality of through holes 111 when the vortex flows to the upper side so that the vortexes are evenly contacted with the pigs P placed in the receiving cylinder 110, do.

The soup outlet 120 is used to discharge soup filled in the main body 100 to the outside or to wash out the inside of the main dish with clean water and has a discharge pipe 120A and a soup discharge valve 121, And is connected to the through hole 122 formed in the bottom surface of the main body 100 discharged from the inside of the main body 100.

The seawater discharge valve 121 is provided on the channel of the discharge pipe of the seawater discharge unit 120 to control the discharge amount of the seawater, and may be a known ball valve.

The packing 130 is disposed on the contact surface 131 formed along the outer peripheral edge of the upper surface of the main body 100 to securely seal the main body 100 when the lid 200 is closed, .

More specifically, an annular contact surface 131 is formed on the outer peripheral edge of the upper surface of the main body 100, and the ring 130 is disposed on the contact surface 131. Thus, the main body 100 and the lid 200, The tight fitting portion 260 of the lid 200 to be described later is brought into close contact with the packing 130 to tightly close the main body 100.

5A to 5C, the fastening part 140 according to the present invention includes a plurality of fastening parts 140 on the upper outer circumferential surface of the main body 100 for fastening the main body 100 and the lid 200, 141), a fastening rod 142 rotatably coupled to the second fastening piece 141, and a lever portion 143 threadedly coupled to the fastening rod 142, as main components.

The second fastening pieces 141 are provided on the outer circumferential surface of the upper end of the main body 100 corresponding to the first fastening piece 210 described later or on the side of the close contact surface 131 when the lid 200 is closed And is a pair of fastening elements opposed to each other with a predetermined distance therebetween so as to be able to rotate or pivot with the fastening rod 142 interposed therebetween.

That is, the second fastening piece 141 rotatably connects the fastening rod 142 at a position corresponding to the first fastening piece 210.

The fastening rod 142 can be fastened to the first fastening piece 210 and the second fastening piece 141 by a lever 143 to be described later. The one end of the fastening rod 142 has a ring-shaped fastening ring 142A, And the outer peripheral surface on the other end side is formed with a male screw portion 142B having a thread.

5A to 5C, the fastening rod 142 has a ring-shaped fastening ring portion 142A which is fastened to the pair of second fastening pieces 141 And is interposed between the first fastening piece 210 and the second fastening piece 141 when the main body 100 and the lid are fastened together.

The engaging member 141A is fixed through the second fastening piece 141 while being inserted into the fastening ring portion 142A and is fastened to a bolt or a pin having a diameter smaller than the inner diameter of the fastening ring portion 142A Lt; / RTI > As a preferred embodiment, a bolt may be inserted through one of the second fastening pieces 141 and inserted into the fastening ring 142A, and then the other fastening piece 141 may be fastened with a nut.

 A thread is formed on the outer peripheral surface of the other end of the coupling rod 142 to form a male screw portion 142B and the male screw portion 142B is screwed to the female screw portion 143B of the lever portion 143 . So that the lever portion 143 can be moved on the connecting rod 142.

When the lid 200 is closed, the fastening rod 142 has a length such that the lever 143, which will be described later, can be disposed above the first fastening piece 210.

The lever portion 143 is an element that moves on the threaded coupling rod 142 to fasten the first coupling piece 210 and the second coupling piece 141 together with the coupling rod 142, And a groove portion 143A having an internal thread portion 143B formed on an inner peripheral surface thereof so as to be screwed with the male screw portion 142B of the rod 142. [

The groove 143A is recessed inwardly from the lower center of the lever portion 143 and is inserted into the other end of the connecting rod 142. The lever 143 is engaged with the male screw 142 of the connecting rod 142, Thereby providing a space that can move along the second side 142B.

The first fastening piece 210 covers the lid 200 so as to correspond to the second fastening piece 141, The rod 142 is rotated and interposed between the second fastening piece 141 and the first fastening piece 210, respectively.

When the fastening rod 142 is inserted into the second fastening piece 141 and the first fastening piece 210 respectively, the lever portion 143 provided at the other end of the fastening rod 142 is inserted into the first fastening piece 210 ). The lever part 143 screwed to the fastening rod 142 is turned until it is surely brought into contact with the upper end of the first fastening piece 210 so that the first fastening piece 210 and the second fastening piece 141 ).

If the lower surface of the lever portion 143 formed with the groove 143A comes into contact with the upper end of the first clamping piece 210 to press the first clamping piece 210, It is possible to securely and safely seal the main body 100 by the plurality of fastening portions 140.

3 to 4, the lid 200 includes a first fastening piece 210 fastened to the fastening part 140, a second fastening piece 210 fastened to the upper side of the lid, A steam discharge pipe 220 for discharging the inner steam of the main body 100, a pressure gauge 230 for indicating the inner pressure of the main body 100, a steam discharge valve 240 for discharging the steam by the operation of the operation lever 241, And a safety valve 250 for automatically discharging the internal steam when the internal pressure of the main body 100 is higher than a predetermined pressure during the cooking process.

The first fastening piece 210 is provided on the outer circumferential surface of the lid 200 corresponding to the second fastening piece 141 so as to be fastened to the fastening part 140 of the main body 100, When the main body 100 and the lid 200 are fastened together, the fastening rod 142 is interposed and the lever portion 143 is disposed at the upper end to press the first fastening piece 210.

The steam discharge pipe 220 is connected to the through hole 221 formed in one side of the lid or one side of the lid 200 and is disposed on the upper side of the lid 200 to discharge the internal steam of the main body 100 to the outside , Preferably a T-shaped tube.

The pressure gauge 230 is a well-known measuring instrument connected to one side of the steam discharge pipe 220 to indicate the internal pressure of the main body 100 or the steam pressure inside the main body 100.

The steam discharge valve 240 is connected to the other side of the steam discharge pipe 220 so that the user manually operates the operation lever 241 to discharge the internal steam of the main body 100 to the outside according to the valve opening / A known ball valve may be used.

6A and 6B, the safety valve 250 is installed on the steam discharge pipe 220 to automatically discharge the internal steam of the main body 100, and is provided with a cover A pin member 252 installed inside the cover 251 for introducing or blocking the steam and an element of a spring 253 for elastically supporting the pin member 252.

The cover 251 is coupled to the upper portion of the steam discharge pipe 220. In one embodiment, the cover 251 is detachably screwed from the steam discharge pipe 220 with a sealing ring (not shown) interposed therebetween. The cover 251 can be detachably coupled to facilitate replacement or repair of the internal components of the cover 251.

The cover 251 has a steam discharge hole 251A formed at the center of the upper side or the upper side of the cover 251 so that the steam discharge hole 251A is formed in a state in which a pin member 252 to be described later is inserted into the steam discharge hole 251A. As shown in FIG.

 The pin member 252 is provided inside the cover 251 to introduce or block the steam flowing into the cover 251 from the steam inlet hole 220A formed on the upper side of the steam outlet pipe 220, And a plug 252A having a diameter smaller than the diameter of the steam discharge hole 251A and inserted in the steam discharge hole 251A and having a lower end portion for opening and closing the steam inlet hole 220A formed on the steam discharge pipe 220 do.

The plug 252A is made of a heat-resistant rubber material and is provided at a lower end of the pin member 252 and serves to open or close the steam inlet hole 220A.

The spring 253 is disposed at the lower end of the pin member 252 and the inner surface of the cover 251 with the pin member 252 inserted therein so that the pin member 252 is elastically supported in the cover 251 .

Referring to FIGS. 6A and 6B, the operation of the safety valve 250 will be described in detail again.

6A shows a state in which the safety valve 250 closes the steam inlet hole 220A so that the steam pressure inside the main body 100 during the pork paw cooking process acts on the pin member 252 by the spring 253 Which is smaller than the elastic force. In this case, the inner steam of the main body 100 is not discharged to the outside through the steam inlet hole 220A and the steam outlet hole 251A.

6B shows a state in which the safety valve 250 opens the vapor inflow hole 220A so that the steam pressure inside the main body 100 during the pork paw cooking process is larger than the elastic force acting on the pin member 252 Respectively.

When the steam pressure inside the main body 100 is greater than the elastic force acting on the pin member 252, the spring 253 is compressed and the pin member 252 having the plug 252A at the lower end thereof is compressed So that the steam inlet hole 220A is opened.

The steam passing through the steam inlet hole 220A is discharged to the outside through the steam outlet hole 251A formed on the cover 251. In the present invention, the steam outlet hole 251A The upper end of the pin member 252 having a small diameter is inserted into the steam discharge hole 251A and the steam is discharged to the space between the inner surface of the steam discharge hole 251A and the pin member 252. [

In the present invention, the critical pressure at which the safety valve 250 automatically discharges the inner steam of the main body 100 may be varied according to the elastic modulus of the spring 253, which is replaceable by disassembly of the cover 251. Therefore, depending on the cooking situation, a safety valve corresponding to the user's set pressure (for example, when the steam pressure is 2.5 atmospheric pressure or higher) may be used.

The safety valve 250 is electrically connected to a controller 300 to be described later and is electrically opened and closed by a pressure detecting sensor (not shown) and a control unit 340. [ Which is a solenoid valve. In other words, the plug 252A of the pin member 252 can open or close the vapor inflow hole 220A in accordance with the detection pressure through the sensor, not by using the elastic force of the spring 253.

As a preferred embodiment of the lid 200, a tight fitting part 260 for contacting the lid 200 with the main body 100 in contact with the packing 130, a transparent window 260 for checking the inside of the main body 100, And a handle 280 for easily opening and closing the lid 200 (see FIG. 4).

The tight contact portion 260 is formed to protrude along the lower edge of the lid 200 to close the main body 100 when the lid 200 is closed and to contact the packing 130 of the main body 100 . When the main body 100 and the lid 200 are fastened together, the tight fitting part 260 corresponding to the close contact surface 131 of the main body 100 presses the packing 130 while pressing it, .

The transparent window 270 is an element of a transparent glass material or a reinforced plastic material installed in the center of the lid 200 to confirm the cooking process inside the body 100. The transparent window 270 may be fixedly installed or fixed in the fixing member 271, The fixing member 271 can be fixedly installed by fastening it with a bolt or the like while a ring (not shown) is interposed.

The handle 280 allows the user to grasp the lid 200 when the lid 200 is opened or closed so that the lid 200 can be easily opened and closed. desirable.

Now, referring to FIG. 7, a controller 300 according to the present invention will be described.

 The controller 300 of the present invention is electrically connected to the heater 101 to control the internal temperature of the body and set the operation time. The controller 300 includes a temperature setting unit 310, a time setting unit 320, a temperature sensing unit 330 ), And a control unit 340.

As shown in FIG. 7A, the temperature setting unit 310 sets the internal temperature of the main body 100 during cooking. When the user sets the internal temperature of the main body 100, Set the temperature.

The time setting unit 320 sets the operation time of the heater 101, and similarly sets the cooking time desired by the user as a button input.

The temperature sensing unit 330 receives the internal temperature of the main body 100 from a temperature detection sensor (not shown) installed anywhere in the main body 100 and transmits the internal temperature to the control unit 340 to be described later.

The control unit 340 compares the internal temperature of the main body 100 received by the temperature sensing unit 330 with the internal temperature of the main body 100 set by the temperature setting unit 310, 320 determines whether the operating time of the heater 101 has passed, and controls the heater 101 to be turned on / off.

In one preferred embodiment, the controller 300 includes a reservation setting unit 350 for starting cooking at a preset time and for activating the apparatus for a set time, A heater driving unit 370 for turning on and off the heater 101 according to a command of the controller 340 and controlling the amount of heat generated by the heater, And may further include a temperature / time display unit 380.

FIG. 7B is a flowchart illustrating a cooking process performed by a controller of a foot-pork cooking apparatus according to the present invention. Referring to FIG. 7B, a cooking process using the foot-pork cooking apparatus according to the present invention will be described in detail below.

First, the power is inputted through the power input button of the ON / OFF input unit 360 in step S10, the internal temperature of the main body 100, which is the cooking temperature (X DEG C), is set through the temperature setting unit 310, The user sets the cooking time t which is the operation time of the heater 101 through the setting unit 320 at step S20 and then starts the cooking by pressing the operation start button of the ON / OFF input unit 360 at step S30. .

As a result, the heater 101 installed in the lower portion of the main body 100 is turned on to start heating the inside of the main body 100 filled with the broth and pigs (step S40).

Then, the temperature detecting sensor provided inside the main body periodically measures the temperature inside the main body 100 and transmits the measured temperature to the temperature detecting unit 330. The temperature detecting unit 330 then transmits the measured temperature to the control unit 340 do.

At this time, the control unit 340 determines whether the internal temperature of the main body 100 is equal to the cooking temperature set in step S20, i.e., the set cooking temperature (X DEG C) (step S50) (S60). When it is determined that the temperature inside the main body 100 is lower than the set cooking temperature (X DEG C), the main body 100 is turned off and the main body 100 is maintained at the set cooking temperature And the temperature in the main body is increased by proceeding to step S40.

In step S60, the controller 340 periodically receives the internal temperature of the main body 100, compares the internal temperature of the main body 100 with the set temperature, and if the internal temperature of the main body 100 falls below the set temperature, 101 is automatically turned on to heat the main body 100 to maintain the temperature. That is, the ON / OFF operation of the heater 101 is repeated according to the detected internal temperature of the main body, thereby maintaining the internal temperature of the main body.

Meanwhile, the controller 340 periodically counts the heater 101 or the operation time of the apparatus to determine whether it is equal to the set cooking time t set by the time setting unit 320 (S70) If the counted operation time is not equal to the set cooking time t, the cooking is completed by completely turning off the heater 101 (step S80). If the counted operation time is not equal to the set cooking time t, Is maintained at the set cooking temperature (X DEG C).

In addition, the heater driving unit 370 of the present invention includes a known heating circuit capable of raising the heating value of the heater 101 to reach the set temperature within a short time when the cooking is completed within a short cooking time, Lt; / RTI >

While the present invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Accordingly, the above description should not be construed as limiting the scope of the present invention defined by the following claims.

100: main body 101: heater 102: receiving container base
110: receptacle 111: through hole
120: Substrate discharge section 121: Substrate discharge valve 122: Through hole
130: packing 131: close face
140: fastening part 141: second fastening piece 141A:
142: fastening rod 142A: fastening ring part 142B:
143: lever portion 143A: groove portion 143B: female thread portion
200: cover 210: first fastening piece
220: steam exhaust pipe 220A: steam inlet hole 221: through hole
230: pressure gauge 240: steam discharge valve 241: operation lever
250: Safety valve 251: Cover 251A: Vapor discharge hole
252: pin member 252A: plug 253: spring
260: tight contact portion 270: transparent window 271: fixing member
280: handle 300: controller
310: Temperature setting unit 320: Time setting unit 330: Temperature sensing unit
340: control unit 350: reservation setting unit 360: ON / OFF input unit
370: heater driving unit 380: temperature / time display unit

Claims (4)

A cover 200 connected to one side of the main body 100 by a hinge to open and close the main body 100 and a cover 200 connected to the main body 100 by a heater 101 And a controller (300) electrically connected to the controller (300) to control the internal temperature of the main body and set the operation time, the apparatus comprising:
In the main body 100,
A cylindrical receiving cylinder 110 having a plurality of through holes 111 formed in its upper surface and a side surface thereof,
A seawater discharge unit 120 provided on the outer surface of the main body so as to discharge the seawater in the main body to the outside and communicated with the through hole 122 formed in the bottom surface of the main body,
A packing 130 of silicone material disposed on a contact surface 131 formed along the upper edge of the main body 100 to close the main body 100 when the lid 200 is closed,
And a plurality of fastening portions 140 on the outer circumferential surface of the upper portion of the main body 100 for fastening the lid 200 to the main body 100;
The cover (200)
A pair of first fastening pieces 210 provided on the outer circumferential surface to be fastened to the fastening portions 140 of the main body 100,
A steam discharge pipe 220 installed on the upper side and communicated with the through hole 221 formed on one side of the cover,
A pressure gauge 230 installed at one side of the steam discharge pipe 220 for indicating the internal pressure of the main body 100,
A steam discharge valve 240 installed on the other side of the steam discharge pipe 220 for discharging the steam inside the main body 100 by the operation lever 241,
And a safety valve (250) installed on the steam discharge pipe (220) and discharging steam in the main body (100) when the steam pressure inside the main body (100) is higher than a predetermined pressure;
The controller (300)
A temperature setting unit 310 for setting an internal temperature of the main body 100 when cooking,
A time setting unit 320 for setting the operating time of the heater 101,
A temperature sensing unit 330 for receiving an internal temperature of the main body 100 from a temperature detection sensor provided in the main body 100,
The controller 310 compares the internal temperature of the main body 100 received by the temperature sensing unit 330 with the internal temperature of the main body 100 set by the temperature setting unit 310, And a control unit (340) for controlling the on / off operation of the heater (101) by determining whether the operation time of the heater (101) has elapsed. The method according to claim 1,
The fastening portion 140 may be formed,
A pair of second fastening pieces 141 provided on the outer circumferential surface of the upper end of the main body 100 so as to correspond to the first fastening pieces 210 when the lid 200 is closed,
A ring-shaped fastening ring portion 142A formed at one end portion is rotatably coupled to the second fastening piece 141 through the engaging member 141A and a male portion 142B formed on the outer circumferential surface of the other end portion )and,
And a lever part (143) having a groove part (143A) in which an internal thread part (143B) is formed on an inner peripheral surface so as to be screwed with the male screw part (142B) of the fastening rod (142). The method according to claim 1,
The safety valve (250)
A cover 251 coupled to an upper portion of the steam discharge pipe 220 and having a steam discharge hole 251A formed at an upper center thereof,
The upper end of the cover 251 has a smaller diameter than the diameter of the steam discharge hole 251A and is inserted into the steam discharge hole 251A and the lower end of the steam inlet hole 251A A pin member 252 having a plug 252A for opening and closing the connection member 220A,
And a spring (253) elastically supporting the pin (252) in the cover (251) while inserting the pin member (252). The method according to claim 1,
The cover (200)
A tight fitting part 260 protruding along the edge of the lower end of the lid so as to close the main body 100 when the main body 100 is closed by the lid,
Further comprising a transparent window (270) installed through a fixing member (271) at the center of the lid for checking the cooking process inside the main body (100).

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