WO2022265351A1 - 조리 장치 - Google Patents
조리 장치 Download PDFInfo
- Publication number
- WO2022265351A1 WO2022265351A1 PCT/KR2022/008400 KR2022008400W WO2022265351A1 WO 2022265351 A1 WO2022265351 A1 WO 2022265351A1 KR 2022008400 W KR2022008400 W KR 2022008400W WO 2022265351 A1 WO2022265351 A1 WO 2022265351A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- inner pot
- pressure
- shutter
- cover
- control device
- Prior art date
Links
- 238000010411 cooking Methods 0.000 title claims abstract description 111
- 230000004308 accommodation Effects 0.000 claims abstract description 92
- 239000004615 ingredient Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000003550 marker Substances 0.000 description 4
- 230000000452 restraining effect Effects 0.000 description 4
- 241000209094 Oryza Species 0.000 description 3
- 235000007164 Oryza sativa Nutrition 0.000 description 3
- 235000009566 rice Nutrition 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 235000013339 cereals Nutrition 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 235000012041 food component Nutrition 0.000 description 1
- 239000005417 food ingredient Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/09—Safety devices
- A47J27/092—Devices for automatically releasing pressure before opening
Definitions
- the present invention relates to a cooking device, and more particularly, to a cooking device capable of cooking cooking ingredients at high pressure.
- an electric pressure cooker is a device capable of selectively performing a cooking function for cooking rice and a warming function for maintaining cooked rice at a constant temperature.
- a main body lid having a steam discharge hole formed on the upper part of the main body is installed to be able to be opened and closed on the main body, and an inner pot is detachably built into the main body, and an inner pot lid can be separately provided to cover the inner pot.
- a heater of an induction heating type or a hot plate type is provided in the main body to transfer heat to cooking ingredients, that is, rice, grains, and other food ingredients accommodated in the inner pot so that they can be cooked.
- An object to be solved by the technical idea of the present invention is to provide a cooking device capable of improving user convenience and cooking quality.
- a cooking apparatus includes a main body in which an inner pot is accommodated; a top plate provided in a lid cover coupled to the main body; a rotating cover coupled to the top plate so as to be rotatable along an edge of the top plate; A first lower cylinder including a first lower flow passage communicating with the accommodating space of the inner pot, a first upper cylinder on the first lower cylinder and including a first upper flow passage, on the first upper cylinder and including the inner pot A first weight configured to open and close the first upper flow path according to the vapor pressure of the accommodation space, and an open position for opening the outlet of the first lower flow path so that the first lower flow path communicates with the first upper flow path.
- a first pressure control device including a shutter structure configured to switch between a closed position of closing the outlet of the first lower flow passage so that the first lower flow passage and the first upper flow passage do not communicate; and a second cylinder having a second flow path communicating with the accommodating space of the inner pot, and a second weight on the second cylinder and configured to open and close the second flow path according to the vapor pressure of the accommodating space of the inner pot.
- a second pressure control device including a includes.
- the first pressure control device is configured to maintain the vapor pressure of the accommodating space of the inner pot at a first pressure
- the second pressure control device controls the vapor pressure of the accommodating space of the inner pot to the first pressure. It may be configured to maintain a second pressure higher than the first pressure.
- the shutter structure may include a shutter frame coupled to the first lower cylinder; a shutter rod movably mounted on the shutter frame; an elastic cover coupled to an end of the shutter rod facing the outlet of the first lower passage; and a first elastic body configured to elastically support the shutter rod.
- a push structure configured to press the shutter structure so that the shutter structure is fixed in the closed position, wherein the push structure is coupled to the rotation cover, according to a rotation angle of the rotation cover. It may be configured to selectively press the shutter structure.
- the push structure may include a fixed body coupled to the rotating cover; a second elastic body mounted on the fixing body; and a moving body that is elastically supported by the second elastic body and presses the shutter rod.
- a lift pin mounted to the lid cover so as to be able to move up and down, the lift pin being configured to move up and down between a pin-down position and a pin-up position according to a rotational angle of the rotating cover, ,
- the lift pin is positioned at the pin-up position, so that the outlet of the first upper passage of the first upper cylinder is forcibly opened, and the first weight is lifted and the outlet of the second passage of the second cylinder is opened. It may be configured to lift the second weight so that it is forcibly opened.
- a locking structure including a locking protrusion configured to be caught on a flange portion of the inner pot is further included, the locking structure is mounted to the top plate to be linearly movable, and the locking structure is mounted on the rotating cover.
- the locking protrusion may be configured to linearly move between a locking position positioned so as to vertically overlap the flange portion of the inner pot and an unlocking position spaced radially outward from the locking position.
- the rotating cover includes a guide groove including a first position, a second position, a third position, and a fourth position sequentially disposed along an extension direction thereof, and the guide groove includes the first position of the guide groove.
- the first position, the third position, and the fourth position are positions separated by a first distance from the rotation center of the rotation cover, and the second position of the guide groove is the first distance from the rotation center of the rotation cover. a position spaced apart by a greater second distance, and the locking structure is accommodated in the guide groove and further comprises a guide protrusion positioned at any one of the first to fourth positions of the guide groove according to a rotational angle of the rotating cover.
- the locking structure is positioned at the locking position when the guide protrusion is at the first position, the third position and the fourth position of the guide groove, and the guide protrusion of the locking structure is the guide When in the second position of the groove, it may be positioned in the unlock position.
- a lift pin configured to move up and down between a pin-down position and a pin-up position according to a rotational angle of the rotating cover to selectively press the first weight and the second weight; and a push structure configured to switch the shutter structure between the open position and the closed position by selectively pressing the shutter structure according to a rotational angle of the rotation cover, wherein the lift pin comprises: the locking structure When the guide protrusion of the guide groove is at the first position and the second position, the outlet of the first upper passage of the first upper cylinder and the outlet of the second passage of the second cylinder are forcibly opened.
- the shutter structure When the shutter structure is spaced apart from the shutter structure to be located in the open position, and the guide protrusion of the lock structure is in the fourth position of the guide groove, the shutter structure is fixed to the closed position. The shutter structure can be pressed.
- a cooking apparatus includes a main body in which an inner pot is accommodated; a top plate provided in a lid cover coupled to the main body; a rotating cover coupled to the top plate so as to be rotatable along an edge of the top plate;
- the first pressure control device is configured to maintain the vapor pressure of the accommodating space of the inner pot at a first pressure
- the second pressure control device controls the vapor pressure of the accommodating space of the inner pot to the first pressure. It may be configured to maintain a second pressure higher than the first pressure.
- the cooking device further includes a lift pin mounted on the lid cover so as to be liftable, and the lift pin moves between a pin-down position and a pin-up position according to a rotational angle of the rotation cover. It can be configured to elevate.
- the lift pin is positioned at the pin-up position to lift the first weight so that the outlet of the first upper passage of the first upper cylinder is forcibly opened, and the second upper passage of the second upper cylinder. The second weight may be lifted so that the outlet is forcibly opened.
- the rotating cover may include a first surface portion at a first height and a second surface portion at a second height lower than the first height.
- the lift pin is supported on the first surface portion of the rotation cover and positioned at the pin-up position, and is supported on the second surface portion of the rotation cover to be lowered from the pin-up position at the pin-down position.
- the cooking device may further include a locking structure including a locking protrusion configured to be caught on a flange portion of the inner pot.
- the locking structure may be mounted on the top plate to be linearly movable. According to the rotational angle of the rotating cover, the locking structure is positioned between a locking position in which the locking protrusion is positioned so as to overlap the flange portion of the inner pot in the vertical direction and an unlocking position spaced radially outward from the locking position. It can be configured to move linearly.
- the rotating cover may include guide grooves including a first position, a second position, and a third position sequentially disposed along an extension direction thereof.
- the first position and the third position of the guide groove may be positions spaced apart from a rotation center of the rotation cover by a first distance, respectively.
- the second position of the guide groove may be a position spaced apart from the rotation center of the rotation cover by a second distance greater than the first distance.
- the locking structure may further include a guide protrusion accommodated in the guide groove and positioned at any one of the first to third positions of the guide groove according to a rotational angle of the rotating cover.
- the locking structure is positioned at the locking position when the guide protrusion is at the first position and the third position of the guide groove, and the guide protrusion of the locking structure is at the second position of the guide groove. When present, it may be positioned in the unlocked position.
- the cooking device moves up and down between a pin-down position and a pin-up position according to a rotational angle of the rotating cover to selectively press the first weight and the second weight. It may further include configured lift pins.
- the lift pin when the guide protrusion of the locking structure is in the first position and the second position of the guide groove, the outlet of the first upper flow path of the first upper cylinder and the second upper cylinder located at the pin-up position for lifting the first weight and the second weight so that the outlet of the second upper channel is forcibly opened, and the guide protrusion of the locking structure is at the third position of the guide groove , it may be positioned in the pin-down position lowered from the pin-up position.
- the shutter structure may include the first shutter rod and the first lower passage so that the first lower passage and the second lower passage are opened when the guide protrusion of the locking structure is at the first position and the second position of the guide groove.
- the second shutter rod When the second shutter rod is positioned in an open position and the guide protrusion of the locking structure is at the third position of the guide groove, the vapor pressure of the accommodating space of the inner pot is maintained at a first pressure so as to maintain the first shutter.
- a rod can be placed in the open position.
- the first shutter rod is moved to the closed position so that the vapor pressure of the accommodating space of the inner pot is maintained at a second pressure higher than the first pressure. and position the second shutter rod in the open position.
- a cooking apparatus includes a main body in which an inner pot is accommodated; a top plate provided in a lid cover coupled to the main body; a rotating cover coupled to the top plate so as to be rotatable along an edge of the top plate;
- a first lower cylinder including a first lower flow path communicating with the accommodation space of the inner pot, a first upper cylinder including a first upper flow path communicating with the first lower flow path, on the first upper cylinder and of the inner pot a first pressure control device including a first weight configured to open and close the first upper channel according to the vapor pressure of the accommodation space, and a shutter structure configured to open and close the first lower channel; and a second cylinder having a second flow path communicating with the accommodating space of the inner pot, and a second weight on the second cylinder and configured to open and close the second flow path according to the vapor pressure of the accommodating space of the inner pot.
- a second pressure control device including a; includes.
- the shutter structure includes a shutter rod configured to move between a closed position inserted into the first
- the first pressure control device may be configured to maintain the vapor pressure of the accommodating space of the inner pot at a first pressure.
- the second pressure control device may be configured to maintain the vapor pressure of the accommodation space of the inner pot at a second pressure higher than the first pressure.
- the cooking apparatus may further include a lift pin mounted to the lid cover so as to be movable.
- the lift pin may be configured to move up and down between a pin-down position and a pin-up position according to a rotation angle of the rotating cover.
- the lift pin is positioned at the pin-up position to lift the first weight so that the outlet of the first upper passage of the first upper cylinder is forcibly opened and the outlet of the second passage of the second cylinder is opened.
- the second weight may be lifted so as to be forcibly opened.
- the rotating cover may include a first surface portion at a first height and a second surface portion at a second height lower than the first height.
- the lift pin is supported on the first surface portion of the rotation cover and positioned at the pin-up position, and is supported on the second surface portion of the rotation cover to be lowered from the pin-up position at the pin-down position.
- the cooking device may further include a locking structure including a locking protrusion configured to be caught on a flange portion of the inner pot.
- the locking structure may be mounted on the top plate to be linearly movable. According to the rotational angle of the rotating cover, the locking structure is positioned between a locking position in which the locking protrusion is positioned so as to overlap the flange portion of the inner pot in the vertical direction and an unlocking position spaced radially outward from the locking position. It can be configured to move linearly.
- the rotating cover may include guide grooves including a first position, a second position, and a third position sequentially disposed along an extension direction thereof.
- the first position and the third position of the guide groove may be positions spaced apart from a rotation center of the rotation cover by a first distance, respectively.
- the second position of the guide groove may be a position spaced apart from the rotation center of the rotation cover by a second distance greater than the first distance.
- the locking structure may further include a guide protrusion accommodated in the guide groove and positioned at any one of the first to third positions of the guide groove according to a rotational angle of the rotating cover.
- the locking structure is positioned at the locking position when the guide protrusion is at the first position and the third position of the guide groove, and the guide protrusion of the locking structure is at the second position of the guide groove. When present, it may be positioned in the unlocked position.
- the cooking device moves up and down between a pin-down position and a pin-up position according to a rotational angle of the rotating cover to selectively press the first weight and the second weight. It may further include configured lift pins.
- the lift pin when the guide protrusion of the locking structure is in the first position and the second position of the guide groove, the outlet of the first upper flow path of the first upper cylinder and the upper part of the second cylinder located at the pin-up position for lifting the first weight and the second weight so that the outlet of the second passage is forcibly opened, and the guide protrusion of the locking structure is at the third position of the guide groove At this time, the pin-up position may be lowered from the pin-down position.
- the shutter structure positions the shutter rod to the open position so that the first lower passage is opened when the guide protrusion of the locking structure is at the first position and the second position of the guide groove,
- the shutter rod is positioned at the open position so that the vapor pressure of the accommodating space of the inner pot is maintained at a first pressure
- the shutter rod may be positioned in the closed position so that the vapor pressure of the accommodating space of the inner pot is maintained at a second pressure higher than the first pressure.
- the cooking apparatus includes various pressure cooking modes, for example, a non-pressure cooking mode (or low-pressure cooking mode) for cooking with no pressure, a first high-pressure cooking mode for cooking with a first pressure, and Since the second high-pressure cooking mode for cooking at the second pressure is provided, cooking according to the cooking material and the user's taste can be performed. Accordingly, user convenience and cooking quality may be improved.
- a non-pressure cooking mode or low-pressure cooking mode
- a first high-pressure cooking mode for cooking with a first pressure
- the second high-pressure cooking mode for cooking at the second pressure is provided, cooking according to the cooking material and the user's taste can be performed. Accordingly, user convenience and cooking quality may be improved.
- FIG. 1 is a perspective view illustrating a cooking apparatus according to exemplary embodiments of the present invention.
- Figure 2 is a plan view showing the main components of the lid assembly of Figure 1;
- FIG. 3 is an exploded perspective view showing the main components of the lid assembly of Figure 1;
- 4A and 4B are cross-sectional views showing a portion of the lid assembly.
- 5A and 5B are conceptual diagrams illustrating operations of a push structure and a shutter structure.
- 6A and 6B are side views showing a portion of the lid assembly.
- FIG. 7 is a plan view illustrating a locking structure.
- 8A and 8B are cross-sectional views illustrating the operation of the locking structure according to the rotation of the rotating cover.
- FIG. 9 is a plan view showing a part of the rotating cover.
- FIG. 10 is a plan view showing a manipulation handle of the lid assembly.
- FIG. 11 are plan views illustrating an operating state of a lid assembly according to a rotational angle of a rotating cover.
- FIG. 12 is a table showing changes in the position of the guide protrusion, operation of the locking structure, operation of the lift pin, operation of the shutter structure, and change in the pressure of the inner pot according to the change in the rotational position of the operating handle.
- FIG. 13 is a plan view illustrating a main configuration of a lid assembly of a cooking device according to an exemplary embodiment of the present invention.
- 14a and 14b are cross-sectional views illustrating the pressure control device of the lid assembly of FIG. 13 .
- FIG. 15 are plan views illustrating an operating state of a lid assembly according to a rotational angle of a rotating cover.
- FIG. 16 illustrates a change in the position of a guide protrusion, an operation of a locking structure, an operation of a lift pin, an operation of a shutter structure, and a change in pressure of an inner pot according to a change in a rotational position of a manipulation handle in the cooking apparatus including the lid assembly of FIG. 13 .
- FIG. 17 is a plan view illustrating a main configuration of a lid assembly of a cooking device according to an exemplary embodiment of the present invention.
- FIG. 18 is a perspective view illustrating a pressure control device of the lid assembly of FIG. 17;
- 19A to 19C are cross-sectional views illustrating a pressure control device of the lid assembly of FIG. 17 .
- 20 is a change in the position of a guide protrusion, an operation of a locking structure, an operation of a lift pin, an operation of a shutter structure, and a change in pressure of an inner pot according to a change in a rotational position of a manipulation handle in the cooking apparatus including the lid assembly of FIG. 17; is a table representing
- FIG. 1 is a perspective view illustrating a cooking device 10 according to exemplary embodiments of the present invention.
- FIG. 2 is a plan view showing the main components of the lid assembly 100 of FIG. 1 .
- FIG. 3 is an exploded perspective view showing the main components of the lid assembly 100 of FIG. 1 .
- the cooking device 10 may include a main body 200 including a cooking space in which cooking ingredients may be cooked, and a lid assembly 100 installed in the main body 200. .
- the main body 200 may accommodate an inner pot ( 210 in FIG. 8A ) configured to accommodate cooking ingredients.
- the inner pot 210 has a container shape and may have an accommodation space in which cooking materials are accommodated.
- the inner pot 210 may be detachably mounted in the cooking space of the main body 200 .
- the inner pot 210 may include a flange portion ( 211 in FIG. 8A ) protruding outward from its upper edge.
- the flange portion 211 may extend along the upper edge of the inner pot 210 .
- a plurality of flange parts 211 spaced apart from each other along the upper edge of the inner pot 210 may be disposed at an upper end of the inner pot 210 .
- the main body 200 may include a heating source for heating cooking ingredients accommodated in the inner pot 210 .
- the main body 200 may include a heater operating in a hot plate type or an induction heating type.
- the lid assembly 100 may cover the cooking space of the main body 200 and/or the receiving space of the inner pot 210 .
- the lid assembly 100 seals the accommodation space of the inner pot 210 and/or the cooking space of the main body 200 so that a pressure suitable for cooking is formed in the accommodation space of the inner pot 210 while cooking materials are being cooked.
- the lid assembly 100 is hinged to one side of the main body 200 and may rotate based on a hinge axis.
- the lid assembly 100 may rotate between a closed position of covering the accommodation space of the inner pot 210 and an open position of opening the accommodation space of the inner pot 210 .
- the lid assembly 100 may be detachably coupled to the main body 200 .
- the lid assembly 100 includes a lid cover 101, an inner pot cover 110, a top plate 120, a rotating cover 130, a pressure control device 103, a solenoid valve 160, a locking structure 170, and A push structure 190 may be included.
- the lid cover 101 may be coupled to the body 200 .
- the lid cover 101 may form the exterior of the lid assembly 100 .
- the lid cover 101 may provide a space in which various electric components can be installed.
- the inner pot cover 110 may be disposed under the lid assembly 100 facing the inner pot 210 .
- the inner pot cover 110 may be mounted on the top plate 120 and/or the lid cover 101 .
- the inner pot cover 110 may cover the inner pot 210 accommodated in the main body 200 .
- the inner pot cover 110 may include a first lower steam hole 111H1, a second lower steam hole 111H2, and a third lower steam hole 111H3 communicating with the accommodation space of the inner pot 210.
- a packing mounting groove in which a packing 189 for sealing between the inner pot 210 and the inner pot cover 110 is mounted may be formed at an edge of the inner pot cover 110 .
- the top plate 120 may be disposed on the inner pot cover 110 .
- the top plate 120 is disposed within the lid cover 101 and may be coupled to the lid cover 101 .
- the top plate 120 has a first upper steam hole 121H1 communicating with the first lower steam hole 111H1 of the inner pot cover 110 and a second upper steam hole 121H2 communicating with the second lower steam hole 111H2. ), and a third upper vapor hole 121H3 communicating with the third lower vapor hole 111H3.
- the rotating cover 130 may be disposed on the top plate 120 .
- the rotating cover 130 may have a ring shape extending substantially along the rim of the top plate 120 .
- the rotating cover 130 may be coupled to the top plate 120 so as to be rotatable along the edge of the top plate 120 .
- the rotating cover 130 may be configured to rotate in a first rotational direction (eg, clockwise) and a second rotational direction opposite to the first rotational direction (eg, counterclockwise) with respect to the rotational axis direction (Z direction).
- the rotating cover 130 may be configured to rotate in conjunction with the rotation of the manipulation handle 183 protruding from the lid cover 101 .
- Rotation of the operating handle 183 in the first rotation direction causes rotation of the rotation cover 130 in the first rotation direction
- rotation of the operation handle 183 in the second rotation direction causes rotation of the rotation cover 130 It can cause rotation along the second rotation direction of.
- the manipulation handle 183 and the rotating cover 130 may be connected through a connection lever (not shown) that rotates with respect to a rotational axis of the manipulation handle 183 when the manipulation handle 183 rotates.
- One end of the connection lever may be connected to the control handle 183 and the other end of the connection lever may be connected to the connection protrusion 131 of the rotating cover 130 .
- the connection lever rotates in conjunction with the rotation of the control handle 183, and the rotation cover 130 connected to the connection lever through the connection protrusion 131 ) may rotate along the rim of the top plate 120 .
- the rotating cover 130 may be configured to rotate on the top plate 120 within a predetermined rotation angle range.
- the rotation cover 130 may include a rotation restriction groove 133 extending along the rotation direction of the rotation cover 130 or along the edge of the rotation cover 130 .
- the rotation restriction groove 133 may guide the rotational movement of the rotational cover 130 and limit the range of rotational movement of the rotational cover 130 .
- the fastening structure 185 such as a screw may be inserted into the boss 122 of the top plate 120 through the rotation restraining groove 133 below the rotation restraining groove 133.
- the rotation of the rotating cover 130 is between a position where the fastening structure 185 is caught at one end of the rotation restraining groove 133 and a position where the fastening structure 185 is caught at the other end of the rotation restraining groove 133. may be limited.
- the pressure control device 103 may be configured to control the pressure of the accommodation space of the inner pot 210 by controlling the discharge of steam according to the pressure level of the accommodation space of the inner pot 210 .
- the pressure control device 103 may include a first pressure control device 140 and a second pressure control device 150 mounted on the top plate 120 .
- the first pressure control device 140 and the second pressure control device 150 each use a weight to maintain the pressure (ie, vapor pressure) of the accommodation space of the inner pot 210 at a predetermined pressure. valve) may be included.
- the first pressure control device 140 may have a flow path communicating with the accommodation space of the inner pot 210 through the first lower steam hole 111H1 and the first upper steam hole 121H1, and steam introduced into the flow path. It may be configured to selectively discharge.
- the second pressure control device 150 may have a flow path communicating with the accommodation space of the inner pot 210 through the second lower steam hole 111H2 and the second upper steam hole 121H2, and steam introduced into the flow path. It may be configured to
- the first pressure control device 140 is configured to form a first pressure higher than a reference pressure (eg, atmospheric pressure) within the inner pot 210, and the second pressure control device 150 is configured to form a first pressure within the inner pot 210. It can be configured to form a second pressure higher than the pressure.
- the first pressure may be between 1.2 kgf/cm 2 and 1.8 kgf/cm 2 .
- the first pressure may be 1.5 kgf/cm 2 .
- the second pressure may be between 1.8 kgf/cm 2 and 2.4 kgf/cm 2 .
- the first pressure may be 2.1 kgf/cm 2 .
- Solenoid valve 160 may be mounted on top plate 120 .
- the solenoid valve 160 may be configured to adjust the pressure of the accommodation space of the inner pot 210 by discharging steam in the accommodation space of the inner pot 210 according to an electrical control signal.
- the solenoid valve 160 may include an internal flow path communicating with the accommodation space of the inner pot 210 through the third lower steam hole 111H3 and the third upper steam hole 121H3, and the internal flow path communicates with the inner pot according to an electrical control signal. It may be configured to selectively open and close the flow path.
- the solenoid valve 160 may be configured to quickly release residual pressure in the inner pot 210 to the outside by opening the inner passage when cooking is completed.
- the locking structure 170 may be configured to move between a locked position in which the flange portion 211 of the inner pot 210 is locked and an unlocked position in which the flange portion 211 of the inner pot 210 is unlocked. Switching between the locking position and the unlocking position of the locking structure 170 may be configured to be performed in conjunction with rotation of the rotating cover 130 .
- the locking structure 170 is mounted on the top plate 120 and may optionally include a locking protrusion ( 177 in FIG. 8A ) configured to engage the flange portion 211 of the inner pot 210 .
- the locking position of the locking structure 170 is a position where the locking protrusion 177 of the locking structure 170 overlaps the flange portion 211 of the inner pot 210 in the vertical direction, and the unlocking position of the locking structure 170 is
- the locking protrusion 177 of the locking structure 170 may be at a position where it does not overlap with the flange portion 211 of the inner pot 210 in the vertical direction.
- the locking structure 170 While cooking of the cooking material contained in the inner pot 210 is in progress, the locking structure 170 is positioned in a locked position, and as the locking protrusion 177 is fixed to the inner pot 210, the inner pot 210 and the inner pot cover Between (110) or between the inner pot (210) and the top plate (120) can be firmly fixed.
- the locking structure 170 will be described later in more detail with reference to FIGS. 7, 8A, and 8B.
- 4A and 4B are cross-sectional views showing a portion of the lid assembly 100.
- 5A and 5B are conceptual diagrams illustrating operations of the push structure 190 and the shutter structure 147.
- FIG. 4A shows a state when the shutter structure 147 is in the open position of the shutter structure 147 opening the outlet 141PO of the first lower passage 141P
- FIG. 4B shows the shutter structure 147 is The state at the time of being in the closed position of the shutter structure 147 which closes the outlet 141PO of 1 lower flow path 141P is shown.
- FIG. 5A shows the state of the shutter structure 147 corresponding to FIG. 4A when it is in the open position
- FIG. 5B shows the state of the shutter structure 147 corresponding to FIG. 4B when it is in the closed position.
- the first pressure control device 140 includes a first lower cylinder 141, a first upper cylinder 143, a first weight 145, and a shutter structure ( 147) may be included.
- the first lower cylinder 141 may include a first lower flow path 141P communicating with the accommodation space of the inner pot 210 .
- the first lower flow path 141P may communicate with the receiving space of the inner pot 210 through the first upper steam hole 121H1 of the top plate 120 and the first lower steam hole 111H1 of the inner pot cover 110. there is.
- the first lower flow passage 141P is exposed through one side of the first lower cylinder 141 facing the shutter structure 147 from an inlet communicating with the first upper vapor hole 121H1 of the top plate 120. It may extend to the outlet 141PO.
- the first upper cylinder 143 may be mounted on the first lower cylinder 141 and may include a first upper flow path 143P.
- the first upper flow path 143P may extend from an inlet formed on the lower side of the first upper cylinder 143 to an outlet formed on the upper side of the first upper cylinder 143 .
- the first weight 145 may be mounted on the first upper cylinder 143 .
- the first weight 145 may include a first pressure protrusion 1451 configured to be inserted into the outlet of the first upper passage 143P.
- the first pressure protrusion 1451 may open or close the outlet of the first upper passage 143P according to the level of vapor pressure formed in the first upper passage 143P.
- the shutter structure 147 may be configured to open and close the outlet 141PO of the first lower passage 141P.
- the shutter structure 147 may be configured to switch between an open position of opening the outlet 141PO of the first lower flow passage 141P and a closed position of closing the outlet 141PO of the first lower flow passage 141P. . Switching between the open position and the closed position of the shutter structure 147 can be realized by the push structure 190 described later.
- the shutter structure 147 opens the outlet 141PO of the first lower passage 141P, the first lower passage 141P and the first upper passage 143P may communicate with each other.
- the shutter structure 147 closes the outlet 141PO of the first lower passage 141P the first lower passage 141P and the first upper passage 143P may be separated from each other and may not communicate with each other.
- the shutter structure 147 may include a shutter frame 1471 , a shutter rod 1473 , an elastic cover 1475 , and a first elastic body 1477 .
- the shutter frame 1471 may be coupled to the first lower cylinder 141 to form a passage connecting the outlet 141PO of the first lower passage 141P and the inlet of the first upper passage 143P.
- the shutter rod 1473 may be movably mounted on the shutter frame 1471 .
- the shutter rod 1473 may be inserted into the through hole of the shutter frame 1471 and linearly moved within a predetermined movement range.
- the first end of the shutter rod 1473 facing the outlet 141PO of the first lower passage 141P may be formed to have a size larger than the diameter of the through hole of the shutter frame 1471 .
- An elastic cover 1475 formed of a material having excellent elasticity such as rubber may be coupled to the first end of the shutter rod 1473 .
- An elastic cover 1475 may cover the first end of the shutter rod 1473.
- the first elastic body 1477 extends from the closed position of the shutter structure 147 to the open position, that is, the direction in which the first end of the shutter rod 1473 moves away from the outlet 141PO of the first lower passage 141P. As such, it may be configured to elastically support the shutter rod 1473. That is, the shutter rod 1473 may be elastically biased to the open position by the first elastic body 1477.
- the first elastic body 1477 may be an elastic spring.
- the first elastic body 1477 surrounds the outer circumference of the shutter rod 1473, and the first elastic body 1477 is adjacent to the second end of the shutter rod 1473 and is connected to a fixed ring 1479 fixed to the shutter rod 1473.
- the open position of the shutter structure 147 in this specification is the first lower passage 141P. It may refer to an open position of the shutter rod 1473 opening the outlet 141PO of the shutter rod 1473, and a closed position of the shutter structure 147 closes the outlet 141PO of the first lower passage 141P. ) may mean a closed position.
- the push structure 190 can control the transition of the shutter structure 147 between an open position and a closed position.
- the push structure 190 may apply an external force to the shutter structure 147 so that the shutter structure 147 is fixed in the closed position to close the outlet 141PO of the first lower passage 141P.
- the push structure 190 may release the external force applied to the shutter structure 147 to switch the shutter structure 147 from the closed position to the open position.
- the push structure 190 may include a fixed body 191 , a movable body 193 , and a second elastic body 195 .
- the fixed body 191 is coupled to the rotating cover 130 and may be configured to rotate together with the rotating cover 130 when the rotating cover 130 rotates.
- the movable body 193 may be movably mounted on the fixed body 191 .
- the movable body 193 is mounted on the fixed body 191 so as to be movable in the radial direction of the rotating cover 130, and the movable range of the movable body 193 may be limited by the fixed body 191.
- the second elastic body 195 is disposed between the movable body 193 and the fixed body 191 and may be configured to elastically support the movable body 193 .
- the second elastic body 195 may be configured to elastically support the moving body 193 in a radially inward direction.
- the movable body 193 may be elastically supported by the second elastic body 195 to press the shutter rod 1473 so that the shutter rod 1473 moves in a direction from the open position to the closed position.
- the shutter rod 1473 of the shutter structure 147 may be positioned on a moving trajectory of the moving body 193 that rotates together when the rotating cover 130 rotates. Accordingly, depending on the angle of rotation of the rotating cover 130, the shutter rod 1473 may be pressed against the push structure 190 and positioned in a closed position or separated from the push structure 190 and positioned in an open position.
- the outlet of the first upper flow passage 143P is closed by the first pressure protrusion 1451 of the first weight 145.
- the first pressure protrusion 1451 of the first weight 145 is lifted by the vapor pressure to the first upper passage ( 143P) is opened, and while steam is discharged to the outside, the steam pressure in the accommodation space of the inner pot 210 may be maintained at or close to the first pressure.
- the restoring force of the second elastic body 195 is the force of the first elastic body 1477 so that the shutter rod 1473 can be fixed in the closed position by the external force of the push structure 190 acting on the shutter structure 147. It may be greater than the resultant force of the restoring force and the force applied to the shutter rod 1473 by the vapor pressure in the inner pot 210 . Since the outlet 141PO of the first lower flow passage 141P is closed, steam discharge through the first pressure control device 140 is disabled.
- the outlet of the second flow path 151P is opened, and while the vapor is discharged to the outside, the vapor pressure of the accommodation space of the inner pot 210 may be maintained at the second pressure or a level close thereto.
- FIG. 6A and 6B are side views showing a portion of the lid assembly 100, wherein FIG. 6A shows a state when the lift pin 181 is positioned in a pin-up position, and FIG. 6B shows a lift pin 181 in a pin-up position. 181 indicates the state when it is located in the pin-down position.
- the cooking device 10 may include lift pins 181 mounted on the lid cover 101 so as to be movable.
- the lift pin 181 is movably mounted in the through hole of the lid cover 101, and the head of the lift pin 181 may protrude from the lid cover 101.
- the lower end of the lift pin 181 is in contact with the rotary cover 130 and may be configured to slide into contact with the surface of the rotary cover 130 when the rotary cover 130 rotates.
- the lifting operation of the lift pin 181 may be performed in conjunction with the rotation of the rotating cover 130 .
- Fig. 6A when the lift pins 181 are supported on the first surface portion 137 of the rotating cover 130 at the first height level, the lift pins 181 are positioned in the pin-up position. It can be.
- FIG. 6B when the lift pins 181 are supported on the second surface portion 138 of the rotating cover 130 at a second height level lower than the first height level, the lift pins 181 It can be placed in a pin-down position.
- the contact position between the lift pin 181 and the rotary cover 130 changes from the first surface portion 137 of the rotary cover 130 to the second. It moves to the surface portion 138, and the lift pin 181 can descend from the pin-up position to the pin-down position.
- the contact position between the lift pin 181 and the rotating cover 130 changes from the second surface portion 138 of the rotating cover 130 to the first surface portion. 137, the lift pin 181 can rise from the pin-down position to the pin-up position.
- the lift pin 181 engages the first weight 145 of the first pressure control device 140 and the second pressure control device 150.
- the second weight 155 of ) can be lifted together.
- the outlet of the first upper passage 143P of the first pressure control device 140 and the second pressure control The outlet of the second flow path 151P of the device 150 may be forcibly opened regardless of the vapor pressure level of the accommodation space of the inner pot 210 .
- the lift pin 181 may be spaced apart from the first weight 145 and the second weight 155 .
- the reason why the lift pin 181 is spaced apart from the first weight 145 and the second weight 155 is that the lift pin 181 is separated from the first weight 145 and/or the second weight 155 )
- the first weight 145 and / or a case in which external force sufficient to lift the second weight 155 is not provided by the lift pin 181 may be included.
- the vapor discharge by the first pressure control device 140 and the second pressure control device 150 is based on the vapor pressure level of the accommodation space of the inner pot 210 and/or the shutter structure ( 147) can be determined by
- FIG. 7 is a plan view showing the locking structure 170 .
- 8A and 8B are cross-sectional views illustrating the operation of the locking structure 170 according to the rotation of the rotating cover 130, FIG. 8A shows a state when the locking structure 170 is in a locked position, and FIG. 8B shows a locking structure 170. Indicates the state when the structure 170 is in the unlocked position.
- 9 is a plan view showing a part of the rotary cover 130 .
- the locking structure 170 extends along the rim of the top plate 120 and has a curved locking blade in a plan view ( 171) may be included.
- the locking blade 171 includes a side wall portion 1713 that surrounds the rim of the top plate 120 and the rim of the inner pot cover 110 in the lateral direction, and extends inwardly from the upper end of the side wall portion 1713 to the top plate 120. It may include an upper body 1711 caught on the upper surface of the rim, and a lower body extending inwardly from the lower end of the side wall portion 1713.
- the lower body of the locking blade 171 may include a hooking protrusion 177 configured to be hooked and fixed to the flange portion 211 of the inner pot 210 .
- the locking structure 170 is connected to the inner circumference of the upper end of the locking blade 171 and may include a connection plate 173 disposed between the top plate 120 and the rotating cover 130 .
- the connecting plate 173 may include a groove 174 extending in a linear direction.
- the groove 174 of the connecting plate 173 can limit the range of movement of the locking structure 170, along with guiding the linear movement of the locking structure 170.
- the fastening structure 187 such as a screw, may be inserted into the boss 123 of the top plate 120 through the groove 174 of the connection plate 173 .
- Linear movement of the locking structure 170 may be limited between a position where one end of the groove 174 engages the locking structure 187 and a position where the other end of the groove 174 engages the locking structure 187 .
- the rotating cover 130 generally includes a guide groove 135 extending along the rotational direction of the rotating cover 130, and the connecting plate 173 of the locking structure 170 is the guide groove 135 of the rotating cover 130. ) It may include a guide protrusion 175 inserted into. While the rotating cover 130 rotates, the linear movement of the locking structure 170 may be realized by physical interference between the rotating cover 130 and the guide protrusion 175 accommodated in the guide groove 135 .
- the guide grooves 135 are at a first position sequentially disposed between one end and the other end of the guide groove 135 along the extending direction of the guide groove 135 .
- P1 a first position sequentially disposed between one end and the other end of the guide groove 135 along the extending direction of the guide groove 135 .
- P2 a second position sequentially disposed between one end and the other end of the guide groove 135 along the extending direction of the guide groove 135 .
- P2 first distance
- D2 of the guide groove 135 may be spaced apart from the rotation center RC of the rotating cover 130 by a second distance D2 greater than the first distance D1.
- the relative position of the guide protrusion 175 with respect to the guide groove 135 is changed.
- the locking structure 170 may be positioned at a locking position where the locking protrusion 177 is lockable to the flange portion 211 of the inner pot 210.
- the locking structure 170 may be in an unlocked position spaced radially outwardly from the locked position. That is, while the guide protrusion 175 moves from the first position P1 of the guide groove 135 toward the second position P2 and from the third position P3 of the guide groove 135 to the second position ( While moving toward P2), the locking structure 170 moves outward in the radial direction.
- FIG. 10 is a plan view showing the manipulation handle 183 of the lid assembly 100 .
- the operating handle 183 is sequentially spaced apart in a first rotational direction in a first rotational position, a second rotational position, a third rotational position, and a fourth rotational position. can rotate between them.
- the first to fourth rotational positions of the manipulation handle 183 may be defined as rotational angles at which the manipulation handle 183 is rotated based on an arbitrary reference position.
- the first rotational position of the manipulation handle 183 may be a position in which the alignment protrusion 1831 of the manipulation handle 183 is aligned with the first marker 188a provided on the lid cover 101
- the second rotational position of 183 may be a position where the alignment protrusion 1831 of the manipulation handle 183 is aligned with the second marker 188b provided on the lid cover 101
- the third rotational position of the manipulation handle 183 The rotational position may be a position in which the alignment protrusion 1831 of the manipulation handle 183 is aligned with the third marker 188c provided on the lid cover 101
- the fourth rotational position of the manipulation handle 183 is the manipulation handle (
- the alignment protrusion 1831 of 183 may be aligned with the fourth marker 188d provided on the lid cover 101 .
- the rotating cover 130 rotates in conjunction with the rotation of the operating handle 183, the rotating cover 130 rotates when the operating handle 183 rotates, and the guide groove of the rotating cover 130 ( The relative position of the guide protrusion 175 to 135 may change.
- the guide protrusion 175 is positioned at the first position P1 of the guide groove 135 when the manipulation handle 183 is in the first rotational position, and the guide projection when the manipulation handle 183 is in the second rotational position.
- the guide protrusion 175 is located at the second position (P2) of the guide groove 135, and when the manipulation handle 183 is in the third rotational position, the guide protrusion 175 is the third position (P3) of the guide groove 135 ), and when the manipulation handle 183 is in the fourth rotational position, the guide protrusion 175 may be located in the fourth position P4 of the guide groove 135.
- 11 are plan views illustrating the operating state of the lid assembly 100 according to the rotational angle of the rotating cover 130 .
- 12 shows the change in the position of the guide protrusion 175, the operation of the lock structure 170, the operation of the lift pin 181, the operation of the shutter structure 147, and the inner pot according to the change in the rotational position of the control handle 183. It is a table showing the pressure change of (210).
- 11(a) is a plan view showing the main configuration of the lid assembly 100 when the manipulation handle 183 is positioned at the first rotational position.
- the guide protrusion 175 is positioned at the first position P1 of the guide groove 135, so that the locking is performed.
- the structure 170 is positioned at a locking position where the locking protrusion 177 of the locking structure 170 engages the flange portion 211 of the inner pot 210 .
- the lift pins 181 supported on the first surface portion 137 of the first rotational cover 130 are in the pin-up position. is raised to forcibly open the outlet of the first upper flow passage 143P of the first pressure control device 140 and the outlet of the second flow passage 151P of the second pressure control device 150, as shown in FIG. 4A.
- the shutter structure 147 is positioned at an open position to open the outlet 141PO of the first lower passage 141P.
- the inner pot 210 may be maintained at no pressure (eg, atmospheric pressure or a pressure close thereto).
- 11(b) is a plan view showing the main configuration of the lid assembly 100 when the manipulation handle 183 is positioned in the second rotational position.
- the guide protrusion 175 moves to the first position of the guide groove 135. It moves from (P1) to the second position (P2), and the locking structure 170 moves outward in the radial direction, as shown in FIG. 8B, so that it can be positioned at the unlocking position. Since the locking protrusion 177 is not engaged with the inner pot 210 at the unlocking position of the locking structure 170, rotation for opening the lid assembly 100 is possible. Accordingly, when the manipulation handle 183 is in the second rotational position, the lid assembly 100 may be opened to insert cooking ingredients and check a cooking state.
- the lift pin 181 When the operating handle 183 is positioned in the second rotational position, the lift pin 181 is in the pin-up position and the shutter structure 147 is in the open position, similarly to when the operating handle 183 is in the first rotational position. is located in Accordingly, while cooking is in progress, since steam generated in the accommodation space of the inner pot 210 escapes to the outside through the first pressure control device 140 and the second pressure control device 150, the inner pot 210 The pressure of the accommodation space of the can be maintained at no pressure.
- 11(c) is a plan view showing the main configuration of the lid assembly 100 when the manipulation handle 183 is positioned at the third rotational position.
- the lift pin 181 supported on the second surface portion 138 of the first rotational cover 130 is in the pin-down position.
- the shutter structure 147 is positioned at an open position to open the outlet 141PO of the first lower passage 141P. Accordingly, while cooking is in progress, steam generated in the accommodating space of the inner pot 210 flows into the first lower flow path 141P and the first upper flow path 143P of the first pressure control device 140 communicating with each other. And, the pressure of the accommodation space of the inner pot 210 may be determined by the first pressure control device 140 .
- the storage space of the inner pot 210 may be maintained at or near the first pressure.
- 11(d) is a plan view showing the main configuration of the lid assembly 100 when the manipulation handle 183 is positioned at the fourth rotational position.
- the lift pin 181 When the operating handle 183 is positioned at the fourth rotational position, the lift pin 181 is positioned at the pin-down position, as shown in FIG. 6B, and the shutter structure 147, as shown in FIG. 4B, 1 is located in the closed position to close the outlet 141PO of the lower flow passage 141P. Accordingly, since the discharge of steam through the first pressure control device 140 becomes impossible while cooking is in progress, the steam generated in the accommodating space of the inner pot 210 is controlled by the second pressure control device 150. It flows through the second flow path 151P, and the pressure in the accommodation space of the inner pot 210 may be determined by the second pressure control device 150 .
- the steam pressure in the accommodation space of the inner pot 210 increases to a predetermined second pressure or a level close thereto, the steam is discharged to the outside through the second pressure control device 150, so that the storage space of the inner pot 210
- the pressure may be maintained at or near the second pressure.
- the cooking device 10 has various pressure cooking modes, for example, a non-pressure cooking mode (or low-pressure cooking mode) for cooking under no pressure, and a first high-pressure cooking for cooking under a first pressure. mode, and a second high-pressure cooking mode for cooking at the second pressure, cooking may be performed according to cooking ingredients and a user's taste. Accordingly, user convenience and cooking quality may be improved.
- a non-pressure cooking mode or low-pressure cooking mode
- a first high-pressure cooking for cooking under a first pressure.
- a second high-pressure cooking mode for cooking at the second pressure
- cooking may be performed according to cooking ingredients and a user's taste. Accordingly, user convenience and cooking quality may be improved.
- FIG. 13 is a plan view showing the main components of the lid assembly 100a of the cooking apparatus according to exemplary embodiments of the present invention.
- 14A and 14B are cross-sectional views illustrating the pressure control device 103a of the lid assembly 100a of FIG. 13 .
- FIG. 14A shows a state when the shutter structure 310 is in an open position of the shutter structure 310 that opens the first lower flow passage 141Pa
- FIG. 14B shows the shutter structure 310 opening the first lower passage 141Pa.
- ) shows the state when in the closed position of the shutter structure 310 that closes.
- the lid assembly 100a shown in FIGS. 13, 14a, and 14b except for the fact that the push structure (see 190 in FIG. 3) is omitted, and the difference in configuration and operation of the first pressure control device 140a, etc. , may be substantially similar to the lid assembly 100a described with reference to FIGS. 1 to 12 .
- the lid assembly 100a shown in FIGS. 13, 14a, and 14b focusing on differences from the lid assembly 100 described with reference to FIGS. 1 to 12 and the cooking apparatus 10 including the same, And a cooking device including the same will be described.
- the pressure control device 103a includes a first pressure control device 140a configured to form a first pressure in the accommodation space of the inner pot 210, and the inner pot 210 It may include a second pressure control device 150 configured to form a second pressure higher than the first pressure in the accommodation space.
- the first pressure control device 140a may be an electronically controlled valve that controls whether steam is discharged according to an electrical control signal.
- the first pressure control device 140a includes a first cylinder including a first lower cylinder 141a and a first upper cylinder 143 connected in the vertical direction, a first weight 145, and a shutter structure 310. can include
- the first lower cylinder 141a may include a first lower flow passage 141Pa communicating with the accommodation space of the inner pot 210 .
- the first lower flow path 141Pa may communicate with the receiving space of the inner pot 210 through the first upper steam hole 121H1 of the top plate 120 and the first lower steam hole 111H1 of the inner pot cover 110. there is.
- the first lower flow passage 141Pa may extend upward from an inlet communicating with the first upper vapor hole 121H1 of the top plate 120 to an outlet provided on the upper side of the first lower cylinder 141a.
- the first upper cylinder 143 may be mounted on the first lower cylinder 141a and may include a first upper passage 143P communicating with the first lower passage 141Pa.
- the first upper passage 143P may extend upward from an inlet communicating with the outlet of the first lower cylinder 141a to an outlet provided on the upper side of the first upper cylinder 143 .
- the first weight 145 may be mounted on the first upper cylinder 143 .
- the first weight 145 may include a first pressure protrusion 1451 configured to be inserted into the outlet of the first upper passage 143P.
- the first pressure protrusion 1451 may open or close the outlet of the first upper passage 143P according to the level of vapor pressure formed in the first upper passage 143P.
- the shutter structure 310 may be configured to control vapor discharge through the first pressure control device 140a.
- the shutter structure 310 may be configured to open and close the first lower passage 141Pa.
- the shutter structure 310 may be configured to switch between an open position for opening the first lower passage 141Pa and a closed position for closing the first lower passage 141Pa.
- the shutter structure 310 may include a frame 311 mounted on the top plate 120 and a shutter rod 313 movably mounted in the frame 311 .
- the shutter rod 313 is connected to an actuator 312 such as a motor, and movement of the shutter rod 313 may be controlled by the actuator 312.
- the shutter rod 313 in the closed position of the shutter structure 310, at least a portion of the shutter rod 313 is inserted into the middle portion of the first lower passage 141Pa to close the first lower passage 141Pa. can do. In this case, the first lower passage 141Pa is closed, and steam discharge through the first pressure control device 140a may be disabled. As shown in FIG. 14A , in the open position of the shutter structure 310, the shutter rod 313 may be in a position retracted from the closed position of the shutter structure 310 so that the first lower passage 141Pa is not blocked. .
- the open position of the shutter structure 310 opens the first lower passage 141Pa.
- This may mean an open position of the shutter rod 313, and a closed position of the shutter structure 310 may mean a closed position of the shutter rod 313 closing the first lower passage 141Pa.
- the cooking device includes a sensing means for sensing the rotational position of the manipulation handle ( 183 in FIG. 10 ) and/or the rotational position of the rotating cover 130 , and the sensing unit determines the rotational position based on the detected information.
- 1 may include a controller configured to generate a control signal applied to the pressure control device 140a.
- the detection unit may include, for example, a sensor such as a reed switch, an optical sensor, or a mechanical sensor.
- the controller may include a microcontroller chip and may be mounted on the main body (200 in FIG. 1).
- the detection unit may be configured to detect the rotational position of the manipulation handle 183 and/or the rotational position of the rotational cover 130 .
- the sensing unit may include a position of the guide protrusion 175 in the guide groove 135 that varies according to the rotation of the rotation cover 130 and/or a rotation restriction groove 133 that varies according to the rotation of the rotation cover 130. It may also be configured to sense a change in position of the fastening structure 185 within.
- the controller may generate a first control signal for positioning the shutter structure 310 in an open position and a second control signal for positioning the shutter structure 310 in a closed position, based on the information sensed by the sensing means. .
- the controller may apply a first control signal to the actuator 312 connected to the shutter rod 313 to position the shutter rod 313 in an open position.
- the first lower passage 141Pa and the first upper passage 143P communicate with each other, and the steam generated in the accommodation space of the inner pot 210 blows through the first lower passage 141Pa. Through this, it may flow into the first upper passage 143P. If the vapor pressure of the accommodation space of the inner pot 210 is lower than the predetermined first pressure, the outlet of the first upper flow passage 143P is closed by the first pressure protrusion 1451 of the first weight 145.
- the vapor pressure of the accommodation space of the inner pot 210 increases to a predetermined first pressure or a level close thereto, the first pressure protrusion 1451 of the first weight 145 is lifted by the vapor pressure to the first upper passage ( 143P) is opened, and while steam is discharged to the outside, the steam pressure in the accommodation space of the inner pot 210 may be maintained at or close to the first pressure.
- the controller of the cooking device may apply a second control signal to the actuator 312 connected to the shutter rod 313 to position the shutter rod 313 in a closed position.
- the shutter rod 313 may move to a closed position to close the first lower passage 141Pa. Since the first lower passage 141Pa is closed by the shutter rod 313, steam discharge through the first pressure control device 140a is disabled. While the first lower passage 141Pa is closed by the shutter structure 310, steam in the accommodation space of the inner pot 210 communicates with the second lower air hole 111H2 and the second upper steam hole 121H2. It may flow into the second flow passage 151P of the second cylinder 151.
- the second pressure protrusion 1551 of the second weight 155 is lifted by the vapor pressure to the second pressure.
- the steam pressure in the accommodation space of the inner pot 210 may be maintained at the second pressure or a level close thereto.
- FIG. 15 are plan views illustrating an operating state of the lid assembly 100a according to a rotation angle of the rotation cover 130.
- FIG. 16 is a view of the position change of the guide protrusion 175, the operation of the locking structure 170, and the movement of the lift pin 181 according to the change in the rotational position of the manipulation handle 183 in the cooking apparatus including the lid assembly of FIG. 13 .
- It is a table showing the operation, the operation of the shutter structure 310, and the pressure change of the inner pot 210. For reference, in the table of FIG.
- 15(a) is a plan view showing the main configuration of the lid assembly 100a when the manipulation handle 183 is positioned at the first rotational position.
- the guide protrusion 175 is positioned at the first position P1 of the guide groove 135, and is locked.
- the structure 170 is positioned at a locking position where the locking protrusion 177 of the locking structure 170 engages the flange portion 211 of the inner pot 210 .
- the lift pins 181 supported on the first surface portion 137 of the first rotational cover 130 are in the pin-up position. It is raised to , so that the outlet of the first upper flow path 143P of the first pressure control device 140a and the outlet of the second flow path 151P of the second pressure control device 150 can be forcibly opened.
- the controller transmits a first control signal for positioning the shutter structure 310 in the open position based on the information sensed by the sensing means to the shutter structure 310.
- the shutter structure 310 operates according to the first control signal and is positioned in an open position opening the first lower passage 141Pa. In this case, while cooking is in progress, since steam generated in the accommodation space of the inner pot 210 escapes to the outside through the first pressure control device 140a and the second pressure control device 150, the inner pot 210 The pressure of the accommodation space of may be maintained at no pressure (eg, atmospheric pressure or a pressure close thereto).
- 15(b) is a plan view showing the main configuration of the lid assembly 100a when the manipulation handle 183 is positioned in the second rotational position.
- the lift pin 181 can be pinned up in the same way as when the operating handle 183 is in the first rotational position.
- the controller transmits a first control signal for positioning the shutter structure 310 in the open position based on the information sensed by the sensing means to the shutter structure 310.
- the shutter structure 310 operates according to the first control signal and is positioned in an open position opening the first lower passage 141Pa. Accordingly, while cooking is in progress, since steam generated in the accommodation space of the inner pot 210 escapes to the outside through the first pressure control device 140a and the second pressure control device 150, the inner pot 210 The pressure of the accommodation space of may be maintained at no pressure (eg, atmospheric pressure or a pressure close thereto).
- FIG. 15 is a plan view showing the main configuration of the lid assembly 100a when the manipulation handle 183 is positioned at the fourth rotational position.
- the lift pin 181 supported on the second surface portion 138 of the first rotational cover 130 is in the pin-down position.
- the vapor pressure of the accommodation space of the inner pot 210 may be adjusted by the first pressure control device 140a and/or the second pressure control device 150 .
- the controller When the operating handle 183 is positioned at the fourth rotational position, the controller sends a first control signal to position the shutter structure 310 in the open position and closes the shutter structure 310 based on the information sensed by the sensing means. Any one of the second control signals for positioning may be applied to the shutter structure 310 .
- the controller may be configured to apply a first control signal or a second control signal to the shutter structure 310 according to a predetermined cooking recipe.
- the controller may apply a first control signal or a second control signal to the shutter structure 310 according to a cooking time according to a predetermined cooking recipe to adjust the vapor pressure of the accommodation space of the inner pot 210.
- the shutter rod 313 moves the first lower part as shown in FIG. 14A. It is positioned at an open position to open the flow path 141Pa, and the first lower flow path 141Pa and the first upper flow path 143P may communicate with each other. Accordingly, while cooking is in progress, steam generated in the accommodation space of the inner pot 210 flows through the first lower flow path 141Pa and the first upper flow path 143P of the first pressure control device 140a, and The pressure of the accommodation space of 210 may be determined by the first pressure control device 140a.
- the pressure in the accommodation space of the inner pot 210 is It may be maintained at or close to the first pressure.
- the shutter rod 313 moves the first lower part as shown in FIG. 14B. It is positioned in a closed position to close the flow path 141Pa, and steam discharge through the first pressure control device 140a is disabled while cooking is in progress.
- steam generated in the accommodation space of the inner pot 210 flows into the second flow path 151P of the second pressure control device 150, and the pressure in the accommodation space of the inner pot 210 is controlled by the second pressure control device. (150).
- the pressure in the accommodation space of the inner pot 210 is It can be maintained at or near the second pressure.
- FIG. 17 is a plan view showing the main components of the lid assembly 100b of the cooking apparatus according to exemplary embodiments of the present invention.
- FIG. 18 is a perspective view illustrating the pressure control device 103b of the lid assembly 100b of FIG. 17 .
- 19A to 19C are cross-sectional views illustrating the pressure control device 103b of the lid assembly 100b of FIG. 17 .
- 19A is a state when the first shutter rod 323 is in an open position for opening the first lower passage 141Pb and the second shutter rod 324 is in an open position for opening the second lower passage 152P indicates
- 19B is a state when the first shutter rod 323 is in an open position to open the first lower passage 141Pb and the second shutter rod 324 is in a closed position to close the second lower passage 152P indicates
- 19C is a state when the first shutter rod 323 is in a closed position to close the first lower passage 141Pb and the second shutter rod 324 is in a closed position to close the second lower passage 152P indicates
- the lid assembly 100b shown in FIGS. 17, 18, and 19a to 19c is the lid assembly described with reference to FIGS. 13 to 17, except for differences in configuration and operation of the pressure control device 103b. It may be broadly similar to (100b).
- the lid assembly 100b shown in FIGS. 17 and 19a to 19c and including the same focusing on differences from the lid assembly 100a described with reference to FIGS. 13 to 17 and a cooking device including the same. A cooking device is described.
- the pressure control device 103b includes a first pressure control device 140b configured to form a first pressure in the accommodation space of the inner pot 210, and the inner pot 210 )
- the second pressure control device 150a configured to form a second pressure higher than the first pressure in the receiving space, and steam discharge through each of the first pressure control device 140b and the second pressure control device 150a. It may include a shutter structure 320 configured to control.
- Each of the first pressure control device 140b and the second pressure control device 150a may be an electronically controlled valve that controls whether steam is discharged according to an electrical control signal.
- the first pressure control device 140b may include a first cylinder including a first lower cylinder 141b and a first upper cylinder 143 connected in a vertical direction, and a first weight 145 .
- the first lower cylinder 141b may include a first lower flow path 141Pb communicating with the accommodation space of the inner pot 210 .
- the first lower flow path 141Pb may communicate with the receiving space of the inner pot 210 through the first upper steam hole 121H1 of the top plate 120 and the first lower steam hole 111H1 of the inner pot cover 110. there is.
- the first lower flow path 141Pb may extend upward from an inlet communicating with the first upper steam hole 121H1 of the top plate 120 to an outlet of the first lower cylinder 141b.
- the first upper cylinder 143 may be mounted on the first lower cylinder 141b and may include a first upper flow path 143P communicating with the first lower cylinder 141b.
- the first upper passage 143P may extend upward from an inlet communicating with the outlet of the first lower cylinder 141b to an outlet provided on the upper side of the first upper cylinder 143 .
- the first weight 145 may be mounted on the first upper cylinder 143 .
- the first weight 145 may include a first pressure protrusion 1451 configured to be inserted into the outlet of the first upper passage 143P.
- the first pressure protrusion 1451 may open or close the outlet of the first upper passage 143P according to the level of vapor pressure formed in the first upper passage 143P.
- the second pressure control device 150a may include a second cylinder including a second lower cylinder 152 and a second upper cylinder 153 connected in the vertical direction, and a second weight 155 .
- the second lower cylinder 152 may include a second lower flow path 152P communicating with the accommodation space of the inner pot 210 .
- the second lower flow passage 152P may communicate with the receiving space of the inner pot 210 through the second upper steam hole 121H2 of the top plate 120 and the second lower steam hole 111H2 of the inner pot cover 110. there is.
- the second lower flow passage 152P may extend upward from an inlet communicating with the second upper vapor hole 121H2 of the top plate 120 to an outlet provided on the upper side of the second lower cylinder 152.
- the second upper cylinder 153 may be mounted on the second lower cylinder 152 and may include a second upper passage 153P communicating with the second lower passage 152P.
- the second upper passage 153P may extend upward from an inlet communicating with an outlet of the second lower cylinder 152 to an outlet provided on the upper side of the second upper cylinder 153 .
- the second weight 155 may be mounted on the second upper cylinder 153 .
- the second weight 155 may include a second pressure protrusion 1551 configured to be inserted into the outlet of the second upper passage 153P.
- the second pressure protrusion 1551 may open or close the outlet of the second upper passage 153P according to the level of vapor pressure formed in the second upper passage 153P.
- the shutter structure 320 includes a frame 321 mounted on the top plate 120, a first shutter rod 323 movably mounted in the frame 321 configured to open and close the first lower passage 141Pb, and a frame It may include a second shutter rod 324 movably mounted in 311 and configured to open and close the second lower passage 152P.
- the first shutter rod 323 may be configured to linearly move between an open position for opening the first lower passage 141Pb and a closed position for closing the first lower passage 141Pb.
- the second shutter rod 324 may be configured to linearly move between an open position for opening the second lower passage 152P and a closed position for closing the second lower passage 152P.
- the first shutter rod 323 and the second shutter rod 324 may be connected to the actuator 322, and the movement of the first shutter rod 323 and the movement of the second shutter rod 324 are performed by the actuator 322. can be controlled by
- the cooking device includes a sensing means for sensing the rotational position of the manipulation handle ( 183 in FIG. 10 ) and/or the rotational position of the rotating cover 130 , and a pressure based on the information sensed by the sensing means. and a controller configured to generate a control signal applied to the control device 103b.
- the detection unit may include, for example, a sensor such as a reed switch, an optical sensor, or a mechanical sensor.
- the controller may include a microcontroller chip and may be mounted on the main body (200 in FIG. 1).
- the detection unit may be configured to detect the rotational position of the manipulation handle 183 and/or the rotational position of the rotational cover 130 .
- the sensing unit may include a position of the guide protrusion 175 in the guide groove 135 that varies according to the rotation of the rotation cover 130 and/or a rotation restriction groove 133 that varies according to the rotation of the rotation cover 130. It may also be configured to sense a change in position of the fastening structure 185 within.
- the controller includes a first control signal for positioning the first shutter rod 323 in an open position, a second control signal for positioning the first shutter rod 323 in a closed position, based on the information sensed by the sensing means; A third control signal for positioning the second shutter rod 324 in an open position and a fourth control signal for positioning the second shutter rod 324 in a closed position may be generated.
- the controller applies the first control signal and the third control signal to the actuator 322 to position the first shutter rod 323 and the second shutter rod 324 to the open positions, respectively.
- the first lower flow passage 141Pb and the first upper flow passage 143P of the first pressure control device 140b communicate with each other.
- the second lower flow path 152P and the second upper flow path 153P of the second pressure control device 150a may communicate with each other.
- the first pressure control device 140b is configured to maintain the vapor pressure of the accommodation space of the inner pot 210 at a level lower than that of the second pressure control device 150a, the steam generated in the inner pot 210 is generally It may be discharged through the first pressure control device 140b. If the vapor pressure of the accommodation space of the inner pot 210 increases to a predetermined first pressure or a level close thereto, the first pressure protrusion 1451 of the first weight 145 is lifted by the vapor pressure to the first upper passage ( 143P) is opened, and while steam is discharged to the outside, the steam pressure in the accommodation space of the inner pot 210 may be maintained at or close to the first pressure.
- the controller applies the first control signal and the fourth control signal to the actuator 322 to position the first shutter rod 323 in an open position and close the second shutter rod 324. position can be placed. Since the second lower passage 152P is closed by the second shutter rod 324, steam discharge through the second pressure control device 150a is disabled. In this case, steam generated in the inner pot 210 may be discharged through the first pressure control device 140b.
- the first pressure protrusion 1451 of the first weight 145 is lifted by the vapor pressure to the first upper passage ( 143P) is opened, and while steam is discharged to the outside, the steam pressure in the accommodation space of the inner pot 210 may be maintained at or close to the first pressure.
- the controller applies the second control signal and the third control signal to the actuator 322 to position the first shutter rod 323 in the closed position and open the second shutter rod 324. position can be placed. Since the first lower passage 141Pb is closed by the first shutter rod 323, steam discharge through the first pressure control device 140b is disabled. In this case, steam generated in the inner pot 210 may be discharged through the second pressure control device 150a. If the vapor pressure of the accommodation space of the inner pot 210 exceeds the first pressure and rises to the second pressure or a level close thereto, the second pressure protrusion 1551 of the second weight 155 is lifted by the vapor pressure to the second pressure. As the outlet of the flow path 151P is opened and steam is discharged to the outside, the steam pressure in the accommodation space of the inner pot 210 may be maintained at the second pressure or a level close thereto.
- FIG. 20 is a view of the position change of the guide protrusion 175, the operation of the locking structure 170, and the movement of the lift pin 181 according to the change in the rotational position of the manipulation handle 183 in the cooking apparatus including the lid assembly of FIG. 17 .
- It is a table showing the operation, the operation of the shutter structure 320, and the pressure change of the inner pot 210.
- the positions of the two shutter rods 324 and the pressure of the inner pot are the same as when the operation handle 183 is at the fourth rotational position and are therefore omitted.
- the locking structure 170 may be positioned in the locked position.
- the first upper passage 143P of the first pressure control device 140b. and the outlet of the second upper passage 153P of the second pressure control device 150a may be opened by the lift pin 181 raised to the pin-up position.
- the controller applies a first control signal and a third control signal to the shutter structure 320 to cause the first shutter rod 323 and the second shutter rod ( 324) can be placed in the open position.
- the inner pot 210 may be maintained at no pressure (eg, atmospheric pressure or a pressure close thereto).
- the locking structure 170 may be positioned in the unlocked position.
- the first upper passage 143P of the first pressure control device 140b. and the outlet of the second upper passage 153P of the second pressure control device 150a may be opened by the lift pin 181 raised to the pin-up position.
- the controller applies the first control signal and the third control signal to the shutter structure 320 to cause the first shutter rod 323 and the second shutter rod ( 324) can be placed in the open position.
- the inner pot 210 may be maintained at no pressure (eg, atmospheric pressure or a pressure close thereto).
- the locking structure 170 may be positioned in the locked position.
- the lift pin 181 is lowered to the pin-down position, and the inner pot
- the vapor pressure of the accommodation space of 210 may be adjusted by the first pressure control device 140b and/or the second pressure control device 150a.
- the controller applies one of the first control signal and the second control signal to the first shutter rod 323 based on the information sensed by the sensing means, and Any one of the third control signal and the fourth control signal may be applied to the second shutter rod 324 .
- the controller applies any one of the first control signal and the second control signal to the first shutter rod 323 and the third control signal and the second control signal to the second shutter rod 324 according to a predetermined cooking recipe. Any one of 4 control signals can be applied.
- the controller may adjust the vapor pressure of the accommodation space of the inner pot 210 by adjusting a control signal applied to the shutter structure 320 according to a cooking time according to a predetermined cooking recipe.
- the first shutter rod 323 and the second shutter rod 324 may each be positioned in an open position.
- the first pressure control device 140b is configured to maintain the vapor pressure of the accommodation space of the inner pot 210 at a level lower than that of the second pressure control device 150a, the steam generated in the inner pot 210 is generally It may be discharged through the first pressure control device 140b. Accordingly, the vapor pressure of the accommodation space of the inner pot 210 may be maintained at the first pressure or a level close thereto.
- the first control signal is applied to the first shutter rod 323 and the fourth control signal is applied to the second shutter rod 324, FIG.
- the first shutter rod 323 may be positioned in an open position and the second shutter rod 324 may be positioned in a closed position.
- steam discharge through the second pressure control device 150a becomes impossible, and steam generated in the inner pot 210 may be discharged through the first pressure control device 140b. Accordingly, the vapor pressure of the accommodation space of the inner pot 210 may be maintained at the first pressure or a level close thereto.
- the first shutter rod 323 can be positioned in the closed position and the second shutter rod 324 can be positioned in the open position.
- steam discharge through the first pressure control device 140b becomes impossible, and steam generated in the inner pot 210 may be discharged through the second pressure control device 150a. Accordingly, the vapor pressure of the accommodation space of the inner pot 210 may be maintained at the second pressure or a level close thereto.
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Abstract
Description
Claims (9)
- 내솥이 수용되는 본체;상기 본체에 결합되는 뚜껑 커버 내에 마련된 탑 플레이트;상기 탑 플레이트의 테두리를 따라 회전 가능하도록 상기 탑 플레이트 상에 결합된 회전 커버;상기 내솥의 수용 공간과 연통하는 제1 하부 유로를 포함하는 제1 하부 실린더, 상기 제1 하부 실린더 상에 있고 제1 상부 유로를 포함하는 제1 상부 실린더, 상기 제1 상부 실린더 상에 있고 상기 내솥의 상기 수용 공간의 증기압에 따라 상기 제1 상부 유로를 개폐하도록 구성된 제1 무게추, 및 상기 제1 하부 유로와 상기 제1 상부 유로가 연통하도록 상기 제1 하부 유로의 유출구를 개방하는 개방 위치와 상기 제1 하부 유로와 상기 제1 상부 유로가 연통하지 않도록 상기 제1 하부 유로의 상기 유출구를 폐쇄하는 폐쇄 위치 사이에서 전환하도록 구성된 셔터 구조체를 포함하는 제1 압력 제어 장치; 및상기 내솥의 상기 수용 공간과 연통하는 제2 유로를 가지는 제2 실린더, 및 상기 제2 실린더 상에 있고 상기 내솥의 상기 수용 공간의 증기압에 따라 상기 제2 유로를 개폐하도록 구성된 제2 무게추를 포함하는 제2 압력 제어 장치;를 포함하는 조리 장치.
- 제1항에 있어서,상기 제1 압력 제어 장치는 상기 내솥의 상기 수용 공간의 증기압을 제1 압력으로 유지하도록 구성되고,상기 제2 압력 제어 장치는 상기 내솥의 상기 수용 공간의 증기압을 상기 제1 압력보다 높은 제2 압력으로 유지하도록 구성된 조리 장치.
- 제1항에 있어서,상기 셔터 구조체는,상기 제1 하부 실린더에 결합된 셔터 프레임;상기 셔터 프레임에 이동 가능하게 장착된 셔터 로드;상기 제1 하부 유로의 상기 유출구와 마주하는 상기 셔터 로드의 단부에 결합된 탄성 커버; 및상기 셔터 로드를 탄성 지지하도록 구성된 제1 탄성체;를 포함하는 조리 장치.
- 제3항에 있어서,상기 셔터 구조체가 상기 폐쇄 위치에 고정되도록 상기 셔터 구조체를 가압하도록 구성된 푸시 구조체를 더 포함하고,상기 푸시 구조체는 상기 회전 커버에 결합되어, 상기 회전 커버의 회전 각도에 따라 상기 셔터 구조체를 선택적으로 가압하도록 구성된 조리 장치.
- 제4항에 있어서,상기 푸시 구조체는,상기 회전 커버에 결합된 고정 몸체;상기 고정 몸체에 장착된 제2 탄성체; 및상기 제2 탄성체에 탄성 지지되어, 상기 셔터 로드를 가압하는 이동 몸체;를 포함하는 조리 장치.
- 제1항에 있어서,상기 뚜껑 커버에 승강 가능하도록 장착된 리프트 핀을 더 포함하고,상기 리프트 핀은 상기 회전 커버의 회전 각도에 따라 핀-다운 위치와 핀-업 위치 사이에서 승강하도록 구성되고,상기 리프트 핀은 상기 핀-업 위치에 위치되어, 상기 제1 상부 실린더의 상기 제1 상부 유로의 유출구가 강제 개방되도록 상기 제1 무게추를 들어올리고 상기 제2 실린더의 상기 제2 유로의 유출구가 강제 개방되도록 상기 제2 무게추를 들어올리는 조리 장치.
- 제1항에 있어서,상기 내솥의 플랜지부에 걸리도록 구성된 걸림 돌기를 포함하는 잠금 구조체를 더 포함하고,상기 잠금 구조체는 상기 탑 플레이트에 선형 이동 가능하도록 장착되고,상기 잠금 구조체는 상기 회전 커버의 회전 각도에 따라, 상기 걸림 돌기가 상기 내솥의 상기 플랜지부에 수직 방향으로 중첩되도록 위치된 잠금 위치와 상기 잠금 위치로부터 반경 방향의 외측으로 이격된 잠금 해제 위치 사이에서 선형 이동하도록 구성된 조리 장치.
- 제7항에 있어서,상기 회전 커버는 그 연장 방향을 따라 차례로 배치된 제1 위치, 제2 위치, 제3 위치, 및 제4 위치를 포함하는 가이드 홈을 포함하고,상기 가이드 홈의 상기 제1 위치, 제3 위치, 및 제4 위치는 각각 상기 회전 커버의 회전 중심으로부터 제1 거리로 이격된 위치이고,상기 가이드 홈의 상기 제2 위치는 상기 회전 커버의 상기 회전 중심으로부터 상기 제1 거리보다 큰 제2 거리로 이격된 위치이고,상기 잠금 구조체는 상기 가이드 홈에 수용되며 상기 회전 커버의 회전 각도에 따라 상기 가이드 홈의 상기 제1 내지 제4 위치 중 어느 하나에 위치되는 가이드 돌기를 더 포함하고,상기 잠금 구조체는,상기 가이드 돌기가 상기 가이드 홈의 상기 제1 위치, 제3 위치 및 상기 제4 위치에 있을 때, 상기 잠금 위치에 위치되고,상기 잠금 구조체의 상기 가이드 돌기가 상기 가이드 홈의 상기 제2 위치에 있을 때, 상기 잠금 해제 위치에 위치되는 조리 장치.
- 제8항에 있어서,상기 회전 커버의 회전 각도에 따라 핀-다운 위치와 핀-업 위치 사이에서 승강하여, 상기 제1 무게추 및 상기 제2 무게추를 선택적으로 가압하도록 구성된 리프트 핀; 및상기 회전 커버의 회전 각도에 따라 상기 셔터 구조체를 선택적으로 가압하여 상기 셔터 구조체를 상기 개방 위치와 상기 폐쇄 위치 사이에서 전환시키도록 구성된 푸시 구조체;를 더 포함하고,상기 리프트 핀은,상기 잠금 구조체의 상기 가이드 돌기가 상기 가이드 홈의 상기 제1 위치 및 상기 제2 위치에 있을 때, 상기 제1 상부 실린더의 상기 제1 상부 유로의 유출구 및 상기 제2 실린더의 상기 제2 유로의 유출구가 강제 개방되도록 상기 제1 무게추 및 상기 제2 무게추를 들어올리는 상기 핀-업 위치에 위치되고,상기 잠금 구조체의 상기 가이드 돌기가 상기 가이드 홈의 상기 제3 위치 및 상기 제4 위치에 있을 때, 상기 핀-업 위치로부터 하강된 상기 핀-다운 위치에 위치되고,상기 푸시 구조체는,상기 잠금 구조체의 상기 가이드 돌기가 상기 가이드 홈의 상기 제1 위치, 상기 제2 위치, 및 상기 제3 위치에 있을 때, 상기 셔터 구조체가 상기 개방 위치에 위치되도록 상기 셔터 구조체로부터 이격되고,상기 잠금 구조체의 상기 가이드 돌기가 상기 가이드 홈의 상기 제4 위치에 있을 때, 상기 셔터 구조체가 상기 폐쇄 위치에 고정되도록 상기 셔터 구조체를 가압하는 조리 장치.
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KR20060099548A (ko) * | 2005-03-12 | 2006-09-20 | 쿠쿠전자주식회사 | 압력밥솥의 압력변경장치 및 이를 이용한 조리제어방법 |
JP2010178964A (ja) * | 2009-02-06 | 2010-08-19 | Sanyo Electric Co Ltd | 圧力式炊飯器 |
KR20190027604A (ko) * | 2017-09-07 | 2019-03-15 | 쿠쿠전자 주식회사 | 전기조리기 |
KR20210050328A (ko) * | 2019-10-28 | 2021-05-07 | (주)쿠첸 | 압력 조리 장치 |
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JP2024520126A (ja) | 2024-05-21 |
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