KR102203660B1 - electric cooker - Google Patents

Abstract

In order to improve productivity with a simple structure while reducing the starch content of the cooking object during cooking, the present invention provides an inner pot having a receiving space therein; A siphon tube that is attached and detached inside the inner pot so that the receiving space is divided into an upper cooking area for receiving a cooking object and a lower storage area for storing heated water, and a siphon tube submerged in the heated water of the storage area on a lower surface thereof. Separation plate provided; A separating plate packing mounted on the rim of the separating plate so as to seal the space between the separating plate and the inner pot, and having an insertion guide portion inclined radially inward at the lower end thereof; And a heating unit for heating the inner pot so that the steam pressure in the storage area is increased so that the heated water is supplied to the cooking area along the siphon tube.

Description

Electric cooker

The present invention relates to an electric cooker, and more particularly, to an electric cooker that improves productivity with a simple structure while reducing the starch content of a cooking object during cooking.

In general, an electric cooker means an electric rice cooker, an electric pressure rice cooker, etc. used to cook food in businesses and homes, and includes a main body equipped with a heating unit and a lid covering an upper portion of the main body.

In addition, an inner pot is built into the main body, and when the washed rice is put into the inner pot, the inner pot is heated by the heating unit, and a cooking process may be performed.

At this time, a large amount of carbohydrates are stored in the form of starch in grains such as rice, and excessive absorption of such carbohydrates may cause various cardiovascular problems including adult diseases such as obesity and diabetes.

Thus, to enable cooking with a low starch content for diet, etc., a solenoid valve is installed on the lower surface of the inner pot in which food is accommodated, the inner pot is filled with heating water to heat it, and then the solenoid valve is opened to supply the heated water. An electric cooker that separates starch as a method of discharging has been developed.

However, the conventional electric cooker requires a separate device such as an solenoid valve to discharge the heated water from which the starch is eluted to the outside of the inner pot, and a separate water tank for collecting the water discharged from the inner pot is required. There was a problem in that assembly was complicated and productivity was lowered.

Moreover, in the conventional electric cooker, as the water used to separate the starch flows in from the outside of the inner pot and is discharged to the water tank through the inner pot, the amount of water consumed during cooking increases as well as the overall cooking quality is low. There was a problem that the satisfaction of the consumer was lowered.

Korean Patent Application Publication No. 10-2007-0078741

In order to solve the above problems, the present invention has as a solution to provide an electric cooker in which productivity is improved with a simple structure while reducing the starch content of a cooking object during cooking.

In order to solve the above problems, the present invention is an inner pot having a receiving space therein; A siphon tube that is attached and detached inside the inner pot so that the receiving space is divided into an upper cooking area for receiving a cooking object and a lower storage area for storing heated water, and a siphon tube submerged in the heated water of the storage area on a lower surface thereof. Separation plate provided; A separating plate packing mounted on the rim of the separating plate so as to seal the space between the separating plate and the inner pot, and having an insertion guide portion inclined radially inward at the lower end thereof; And a heating unit for heating the inner pot so that the steam pressure of the storage area is increased so that the heated water is supplied to the cooking area along the siphon tube, wherein the separation plate packing is extended upwardly to the edge of the separation plate. A packing body extending in a vertical direction so as to be in surface contact with the support, and a restraining protrusion protruding radially inward to the inner circumference of the packing body so that the upper end of the packing support is constrained, and the restraint on the outer circumference of the separating plate packing It provides an electric cooker, characterized in that an interlocking protrusion connected to the protrusion protrudes, and the interlocking protrusion is rotated downward when the constraining protrusion is pressurized upward and is formed to be inclined upwardly toward the outer side in the radial direction so as to be pressurized close to the inner circumference of the inner pot.

Through the above solution means, the present invention provides the following effects.

First, since a siphon tube is provided on one side of the separating plate that divides the inner pot up and down, the heated water is raised and lowered only by a change in the steam pressure caused by the heating of the inner pot to separate the starch of the cooking object, so low starch for diet and diet It is possible to provide a compact product that can cook the content and does not require a separate storage tank or valve device.

Second, since multiple auxiliary sealing protrusions are protruding from the inner pot inner circumference to the outer circumference of the packing body of a thickness having a predetermined clearance, the friction area with the inner pot is reduced so that the separation plate packing can be inserted smoothly, while the auxiliary sealing protrusion of multiple stages is As it adheres to the inner circumference of the inner pot, the space between the separation plate and the inner pot can be reliably sealed.

Third, the upper end of the packing support part is restrained through the restraining protrusions protruding in the inner circumference of the packing body part to prevent upward flow of the separator plate due to steam pressure, and at the same time, as the rim of the perforated plate on which the cooking object is seated is supported, the separator plate and It can provide a synergy effect that minimizes wear damage and noise generation due to friction of the perforated plate.

Fourth, as the interlocking protrusions inclined upwards radially outward are connected to the outer end of the constraining protrusion that restrains the upper end of the packing support, the pressure in the upward direction applied to the constraining protrusion is applied to the lower side through a seesaw motion using the packing body as a support point. Since the pressure in the direction is converted and transmitted to the interlocking protrusion, as the pressure in the storage area increases, the adhesion of the inner pot and the interlocking protrusion may increase, so that the sealing performance of the separating plate packing may be improved.

1 is a cross-sectional view showing an electric cooker according to an embodiment of the present invention.
Figure 2 is a cross-sectional view showing a separation plate packing of the electric cooker according to an embodiment of the present invention.
3A, 3B and 3C are exemplary views showing an operation process of the electric cooker according to an embodiment of the present invention.

Hereinafter, an electric cooker according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a cross-sectional view showing an electric cooker according to an embodiment of the present invention, Figure 2 is a cross-sectional view showing a separation plate packing of the electric cooker according to an embodiment of the present invention, Figures 3a, 3b and 3c are It is an exemplary view showing the operation process of the electric cooker according to an embodiment of the present invention.

As shown in FIGS. 1 to 3C, the electric cooker 100 according to a preferred embodiment of the present invention includes a main body 60, a lid 50, an inner pot 10, a separating plate 20, and a separating plate packing 30. ), a perforated plate 70, and heating parts 40a and 40b.

Here, a heating space (d) is formed inside the main body 60, and the inner pot 10 is provided in a container shape having an open upper portion and a receiving space formed therein, and is attached to and detached from the heating space (d).

In addition, it is preferable that a locking portion is formed in the inner circumference of the inner pot 10. Here, the locking portion may be provided with a stepped portion 11 formed by narrowing the lower inner circumference of the inner pot 10 radially inward or a protrusion formed radially inward from the inner circumference of the inner pot 10, this embodiment In the following is illustrated and described as an example that the locking portion is provided as a step (11).

At this time, it is preferable that the upper surface portion 11a of the step portion 11 is formed to be inclined radially inward toward the lower side.

On the other hand, the separating plate 20 is attached to and detached from the inner pot 10, and the receiving space of the inner pot 10 is the upper side cooking in which the cooking object r is accommodated by the separating plate 20 mounted therein. It may be divided into an area (b) and a lower storage area (c) in which the heated water (w) is stored.

In detail, the separating plate 20 is provided to have an outer diameter that is less than the inner diameter of the upper side of the inner pot 10 and exceeds the minimum inner diameter of the step 11 so as not to directly contact the upper inner circumference of the inner pot 10 It is desirable to be.

Accordingly, the separating plate 20 is mounted in the receiving space so that the lower surface thereof faces the water storage region (c) and the upper surface thereof covers the lower portion of the cooking region (b), and is supported by the step portion 11. Can be.

In addition, a packing support part 21 extending upward is formed on the rim of the separation plate 20, and the separation plate 20 includes a separation plate packing 30 provided with a sealing material in the packing support part 21. It may be mounted and mounted on the inner pot 10.

At this time, as the rim of the separating plate 20 and the separating plate packing 30 are supported by the step portion 11, the mounting position of the separating plate 20 may be fixed, and the step portion 11 The size ratio of the cooking area b and the storage area c may be adjusted according to the formation position of.

Further, a hollow siphon tube 25 that is immersed in the heated water w of the storage area c is provided on the central lower surface of the separating plate 20.

In this case, an opening 26 is formed through the central portion of the separating plate 20 so that the inner hollow of the siphon tube 25 and the cooking region b communicate with each other.

Here, the siphon tube 25 may be integrally formed on the lower surface of the separating plate 20, but may be provided as a separate member to be coupled along the rim of the opening 26, and the separation It is preferable that the connection between the plate 20 and the siphon pipe 25 is provided to be sealed.

In addition, the siphon tube 25 has a lower end portion of the inner pot so that the inner hollow of the siphon tube 25 and the reservoir area (c) communicate with each other while the separating plate 20 is mounted on the inner pot 10. It is preferable that it is formed to extend to a length spaced apart from the bottom of (10).

That is, through the space between the lower end of the siphon tube 25 and the bottom of the inner pot 10, the heating water of the storage water area c passes through the inner hollow of the siphon tube 25 and the siphon tube 25 The heated water of may flow to the storage area (c).

Of course, when the step portion 11 is not provided on the inner circumference of the inner pot 10, the lower end of the siphon pipe 25 is supported on the bottom of the inner pot 10 so that the mounting position of the separation plate 20 is It is also possible to be fixed.

In this case, the siphon tube so that the heated water can flow between the inner hollow of the siphon tube 25 and the reservoir area (c) while the lower end of the siphon tube 25 and the bottom of the inner pot 10 are in close contact with each other. It is preferable that a plurality of holes are formed through the circumference of (25), and the maximum amount of heating water that can rise from the storage area (c) to the cooking area (b) may be adjusted according to the height of the top of the hole.

In addition, it is preferable that the upper surface portion of the separating plate 20 is formed with a drainage guide surface portion 22 whose surface height increases as it goes radially outward along the outer region of the siphon pipe 25.

Here, the drainage induction surface part 22 means a part corresponding between the rim of the opening 26 and the lower rim of the packing support part 21 on the upper surface of the separating plate 20.

In detail, the drainage guide surface portion 22 is provided with an inclined downwardly inclined surface toward the inner side in the radial direction, a roundly recessed gradient surface, a stepped stepped surface that is multi-step recessed stepwise so that the surface height decreases toward the opening 26 side. Can be.

In this case, a plurality of uneven portions (not shown) may be radially formed on the separating plate 20 to reinforce strength, and the drainage induction surface portion 22 may be formed along between the uneven portions.

Meanwhile, the perforated plate 70 has the opening 26 so that the cooking area b and the siphon tube 25 are in communication with each other, and the downward flow of the cooking object r accommodated in the cooking area b is restricted. Cover.

In this case, it is preferable that a plurality of mesh holes 71 penetrate through the perforated plate 70 with a diameter less than a predetermined diameter so that the particles of the cooking object r are caught. In addition, the diameter of the mash hole 71 is preferably set in consideration of the particle size according to the type of the cooking object r, and may be set to 3 mm or less in the case of rice.

Accordingly, the cooking object r may be seated on the upper surface of the perforated plate 70, and the heating water (w) of the siphon pipe 25 is restricted in a state in which downward flow of the seated cooking object r is restricted. ) May flow to the cooking region b, and the heating water w of the cooking region b may flow to the siphon tube 25.

Here, the perforated plate 70 may be coupled along the edge of the opening 26 to be integrally provided with the separating plate 20, but in this embodiment, the perforated plate 70 is the separating plate 20 It is provided as a separate member separated from and mounted on the upper portion of the separating plate 20 as an example and described.

At this time, the perforated plate 70 is provided with a circular plate having an outer diameter that is less than the inner diameter of the upper inner pot of the inner pot 10 but exceeds the inner diameter of the upper rim side of the packing support part 21, and may be inserted into the receiving space.

In addition, the perforated plate 70 is provided with a flat-shaped seating surface portion 70a at a central portion, and a reinforcing surface portion 70b inclined upwardly toward the outer side in the radial direction is provided on the outer periphery of the seating surface portion 70a.

Meanwhile, referring to FIGS. 1 to 2, the separating plate packing 30 may be made of silicone, which is a material that is elastic and stable at high temperatures, and the packing body part 31, the insertion guide part 32, and the restraining protrusion (37), interlocking protrusions 36, and may be provided, including auxiliary sealing protrusions (31a, 31b).

Here, the packing body 31 is provided in a ring shape extending in the vertical direction and is coupled to surround the outer circumference of the packing support part 21, so that the vertical height exceeds the vertical height of the packing support part 21 It is preferably formed.

Accordingly, since the packing support part 21 is covered so that the separating plate 20 can be attached and detached without direct contact with the inner circumferential surface of the inner pot 10, damage such as scratches and peeling of the coating of the inner pot 10 can be minimized. have.

And, it is preferable that the inner periphery of the packing body 31 is provided with a binding groove 31c recessed radially outward.

In detail, it is preferable that the packing support part 21 is provided with a binding end 21a, and the binding end 21a may be formed by folding the upper end of the packing support part 21 radially outward.

At this time, the binding groove (31c) is formed in a depression to a size corresponding to the binding end (21a), and as the binding end (21a) is inserted into the binding groove (31c), the separation plate packing (30) is It can be stably coupled to the packing support (21).

Along with this, the inner circumference of the packing body 31 and the outer circumference of the packing support 21 are in surface contact with each other, and the binding end 21a and the binding groove 31c are in close contact with each other, so that the packing body ( 31) and the packing support 21 may be stably sealed.

In addition, the restraining protrusion 37 is preferably formed to protrude radially inward along the upper end of the binding groove 31c so that the upper end of the packing support 21 is restrained.

At this time, a bent extension part (37a) extends downward at a radially inner end of the restraining protrusion (37), and the packing support part is supported by the inner circumference of the packing support part (21) through the bend extension part (37a). 21) can be restrained more stably.

In addition, the interlocking protrusion 36 is preferably formed to protrude along the outer periphery of the packing body 31, and the inner end in the radial direction is preferably provided to be connected to the outer end in the radial direction of the restraining protrusion 37.

At this time, the interlocking protrusion 36 is formed to extend to a length exceeding the distance between the outer circumference of the packing body portion 31 and the inner circumference of the inner pot 10, and is preferably formed to be inclined upward toward the outside in the radial direction.

In addition, a seating portion 31d having a flat shape along a portion corresponding to the edge of the perforated plate 70 is provided on the upper surface of the constraining protrusion 37, and the edge of the perforated plate 70 is provided with the seating portion 31d. ) May be seated and located at the upper end of the packing support 21.

Accordingly, a clearance space b2 is formed between the perforated plate 70 and the separating plate 20 so that the cooking object r and the opening 26 seated on the perforated plate 70 can be spaced apart. , Noise or wear damage due to direct contact between the packing support part 21 and the perforated plate 70 may be prevented.

In addition, the insertion induction part 32 is formed to extend downwardly inclined in a radial direction toward the lower end of the packing body 31 so as to protrude downward from the lower end of the packing support part 21.

Accordingly, since the separation plate 20 can be attached and detached without direct contact with the inner circumferential surface of the inner pot 10 while the packing support 21 is covered, the coating of the inner pot 10 is damaged such as scratches, peeling, etc. Can be minimized.

In addition, as the lower end of the insertion induction part 32 is narrowed to less than the upper inner diameter of the inner pot 10, when the separating plate 20 is mounted, it is spaced apart from the inner circumference of the inner pot 10 and the separating plate packing 30 It can be inserted smoothly without curling or peeling off due to friction with the inner pot 10.

Here, the insertion guide portion 32 is more preferably provided to be fitted to the connection portion of the packing support portion 21 and the drainage guide surface 22, the insertion guide portion 32 of the separating plate 20 As the lower end of the edge-side packing support 21 is wrapped in close contact, even when the inner pot 10 is rubbed, the combined state of the separating plate packing 30 and the separating plate 20 can be stably maintained.

At this time, the insertion induction part 32 has a curved outer surface portion that slides smoothly along the slope of the upper surface portion 11a of the step portion 11 and may be seated on the step portion 11.

Accordingly, by simply pressing the separating plate 20 inserted into the inner pot 10 downward, the outer surface portion of the insertion guide portion 32 and the upper surface portion 11a of the stepped portion 11 are mutually matched. In close contact, the separating plate 20 may be fixed in the correct direction without tilting, and between the separating plate 20 and the step portion 11 may be accurately sealed.

On the other hand, the packing body 31 is formed to have a radial thickness narrower than the interval between the packing support 21 and the upper inner circumference of the inner pot 10 so as to have a predetermined clearance from the inner circumference of the inner pot (10). , The auxiliary sealing protrusions 31a and 31b are formed to protrude radially outwardly on the outer periphery of the packing body 31.

At this time, the auxiliary sealing protrusions (31a, 31b) are provided so that the radial length exceeds the gap between the packing body portion (31) and the upper inner circumference of the inner pot (10), a plurality of stages spaced apart from each other in the vertical direction It is preferably provided.

Accordingly, since the friction area between the separating plate packing 30 and the inner pot 10 is reduced, the separating plate 20 can be inserted smoothly, while the auxiliary sealing protrusions 31a and 31b of multiple stages are formed in the inner pot 10 Since it is in close contact with the inner circumference of the separation plate 20 and the inner pot 10 can be reliably sealed between.

At this time, it is preferable that the auxiliary sealing protrusions 31a and 31b are provided so that the protrusion length in the radial direction increases toward the upper end. That is, when the auxiliary sealing protrusions 31a and 31b are provided as a pair of steps, it is preferable that the length of the upper end is formed longer than that of the lower end.

Accordingly, the upper side of the auxiliary sealing protrusion in a state in which the insertion position of the separating plate packing 30 is guided through the lower end 31b of the auxiliary sealing protrusion having an outer diameter similar to the inner diameter of the inner pot 10 Since the stage 31a is in close contact with the inner circumference of the inner pot 10, the mounting convenience and sealing force of the separating plate packing 30 can be improved at the same time.

On the other hand, the upper portion of the main body 60 is provided with a lid 50 having a through portion 50c formed on one side thereof. In detail, the lid 50 is coupled to the upper end of the main body 60 to cover the heating space (d), the outer lid 50a opened and closed, and the lower surface of the outer lid 50a so that the receiving space is covered. It includes an inner lid (50b) that is detachable from the part.

And, the through portion (50c) is a communication hole (52) formed on one side of the inner lid (50b) to communicate with the steam discharge portion (51) of the outer lid (50a) and the steam discharge portion (51). Include.

At this time, the vapor discharge part 51 means a space part which penetrates in the vertical direction on one side of the outer lid 50a so that the communication hole 52 communicates with the external atmosphere, and the lower end of the vapor discharge part 51 The rim is provided with a sealing packing 51a that is in close contact with the outer region of the communication hole 52 to prevent vapor leakage between the outer lid 50a and the inner lid 50b.

Of course, the steam discharge unit 51 may be provided with a pressure switching valve device (not shown), and the cooking area (b) covered by the inner lid 50b during cooking is the pressure switching valve device (not shown) City) can be selectively communicated with the outside atmosphere according to the opening and closing.

Meanwhile, referring to FIGS. 1 to 3A, the heating parts 40a and 40b increase the steam pressure in the storage area c, so that the heating water w moves along the siphon tube 25 to the cooking area. The inner pot 10 is heated to be supplied to (b).

In addition, the heating parts 40a and 40b may be provided as a hot plate heater or an induction heating device, and the lower heating part 40a disposed under the heating space d so that the bottom of the inner pot 10 is heated. ), and a side heating portion 40b disposed on the outer surface of the heating space d to heat the side portion of the inner pot 10.

Here, the side heating part 40b is preferably arranged to surround the outer surface of the heating space d along the upper side of the separating plate packing 30, and the lower end of the side heating part 40b is It is located above the upper end of the separation plate packing (30).

In detail, when the inner pot 10 is filled with water, the separating plate 20 is inserted into the inner pot 10. At this time, the rim of the separating plate 20 and the separating plate packing 30 are seated on the stepped portion 11 so that the mounting position of the separating plate 20 may be fixed, and the siphon tube 25 The lower end is immersed in the heated water (w).

At this time, only in a state in which the lower end of the siphon tube 25 is completely submerged, the steam generated when the water is heated is isolated in the storage area (c), so that the lower heating water (w) is pushed up through the siphon tube (25). Can build high pressure.

In addition, the perforated plate 70 may have an edge seated on the seating portion 31d and fixed to the upper end of the packing support portion 21.

In addition, when the cooking object r is disposed on the upper surface of the perforated plate 70, the lid 50 is closed and an operation button (not shown) provided on the main body 60 is selected, the cooking object r ) Can be cooked.

That is, when the lower heating part 40a is operated, the heating water w accommodated in the storage area c together with the inner pot 10 is heated, and the temperature of the heating water w rises above the boiling point. Water vapor is generated.

Here, between the rim of the separating plate 20 and the inner pot 10 is sealed by the separating plate packing 30, but the lower end of the siphon tube 25 is submerged in the heated water w, so the heated water ( The vapor pressure of the storage area c corresponding between the surface of w) and the lower surface of the separating plate 20 may be increased.

In detail, when the vapor pressure in the storage area c increases, an upward pressure is applied to the lower surface of the separating plate 20.

At this time, since the packing support part 21 on the edge side of the separating plate 20 is constrained through the restraining protrusion 37 and the bent extension part 37a, separation of the packing support part 21 is prevented, and the water storage area The pressure in the upward direction due to the vapor of (c) may be accurately transmitted to one side (e) of the constraining protrusion 37 through the upper end of the packing support part 21.

Here, the radially outer end of the constraining protrusion 37 is connected to the radially inner end of the interlocking protrusion 36, and the interlocking protrusion 36 is disposed to be inclined upward as it goes outward in the radial direction.

Accordingly, the pressure transmitted to one side (e) of the constraining protrusion 37 is converted to the pressure in the downward direction through a seesaw motion with the upper end of the packing body 31 as a support point (f), and the interlocking protrusion ( 36).

At this time, the interlocking protrusion 36 is rotated downward, and the radially outer end g of the interlocking protrusion 36 disposed upward from the upper end side support point f of the packing body 31 is pressed downward. It may be compressed to the inner circumference of the inner pot (10).

Accordingly, as the steam pressure in the storage area c increases, the adhesion between the inner pot 10 and the interlocking protrusion 36 increases, so that the separation plate 20 and the inner pot 10 may be more accurately sealed.

On the other hand, atmospheric pressure is maintained in the cooking region (b) in communication with the atmosphere through the through portion (50c) of the lid (50), and the siphon tube in communication with the cooking region (b) through the opening (26). Atmospheric pressure is also maintained inside of (25).

And, when the vapor pressure of the storage area (c) is higher than atmospheric pressure, the heated water (w) of the storage area (c) is between the above due to the pressure difference between the storage area (c) and the cooking area (b). It may be raised along the phone tube 25 and supplied to the cooking area b.

In this case, the heated water in the storage area c may rise to the cooking area b only until the surface water level drops to a height corresponding to the lower end of the siphon tube 25. That is, when the water level in the storage area c is reduced to less than the height of the lower end of the siphon tube 25, steam flows between the lower end of the siphon tube 25 and the water surface, so that the cooking area b and the storage area c Since the pressure difference between) is eliminated, the heated water w raised to the cooking region b is lowered back to the storage region c.

Accordingly, only the heated water received from the lower end of the siphon tube 25 to the upper side of the heated water of the storage area c can be raised to the cooking area b, and the length of the siphon tube 25 and the The position of the step portion 11 on which the separating plate 20 is supported acts as a major variable when the heated water is raised or lowered.

Here, the position of the stepped portion 11 is the volume of the available storage area (c2) corresponding to the upper outer side of the bottom edge of the siphon tube 25 among the storage area (c) is the volume of the siphon tube 25 It is preferable that it is set to exceed the sum of (c3) and the maximum cooking water volume (b1) of the cooking region (b).

In detail, the usable storage area is between the outer circumference of the siphon tube 25 and the inner circumference of the inner pot 10 among the areas between the bottom surface of the separating plate 20 from the plane corresponding to the lower end of the siphon tube 25 It means the corresponding area.

In addition, the maximum cooking water volume (b1) is the volume from the upper surface of the separating plate 20 to the level at which the cooking object r corresponding to the maximum cooking amount of the cooking region (b) can be completely immersed. it means.

Accordingly, when the inner pot 10 is heated, while the lower end of the siphon tube 25 is immersed in the heated water in the storage area c, the object to be cooked is completely immersed in the hot water w. The heated water w may be filled along the upper surface of the separating plate 20 and the upper portion of the separating plate packing 30.

At this time, as the upper opening of the inner pot 10 is covered by the inner lid 50b, it is possible to prevent the rising heated water w from being scattered and discharged or from flowing into the cooking region (b). , A communication state between the cooking region b and the external atmosphere may be maintained through the communication hole 52.

Here, the separating plate 20 covers the lower portion of the cooking area b and is disposed opposite to the storage area c. At this time, the lower surface of the separating plate 20 is in contact with steam heated by high temperature, and the upper surface of the separating plate 20 is in contact with the heated water w raised to the cooking region (b).

That is, the receiving space is divided into the storage area (c) and the cooking area (b) through the separation plate 20, and the heat of the water vapor heated at high temperature in the storage area (c) is transferred to the separation plate 20 ) May be transferred to the heated water of the cooking region (b).

In addition, the upper side of the inner pot 10 corresponding to the cooking region b may be heated through the side heating part 40b. Accordingly, the heating water in the cooking region b can be stably heated to a cooking temperature suitable for the cooking object r, so that the heating efficiency and cooking quality of the product can be remarkably improved.

On the other hand, the elevated heating water (w) is supplied to the cooking region (b) through the opening 26, along the upper surface of the separating plate 20 and the upper portion of the separating plate packing 30 Is filled.

At this time, the heated water (w) passing through the opening 26 is the perforated plate 70 in the free space (b2) between the perforated plate 70 and the separating plate 20 spaced upward from the opening 26 It can be spread widely and raised to an area corresponding to.

In addition, when the level of the heated water w in the spare space b2 rises above the surface height of the perforated plate 70, the cooking object r may be cooked by being immersed in the hot water w.

Here, the seating surface portion 70a of the perforated plate 70 is disposed opposite to the upper portion of the opening 26, and is provided with an area exceeding the cross-sectional area of the opening 26, and the cooking object through the seating surface portion 70a The lowest water level for each part of (r) can be uniform.

In this case, the minimum water level means the lowest water level of the heating water w in which each portion of the cooking object r, such as a central portion adjacent to the opening 26 and an outer portion spaced from the opening 26, is submerged.

That is, due to the flat shape of the seating surface portion (70a), each portion of the object to be cooked (r) is arranged in the same height range, so when the water level of the heating water (w) increases, the central portion and the outer portion of the object to be cooked (r) are uniform without deviation. It can be submerged and cooked at one speed.

Accordingly, the cooking deviation such as the cooking object r of the central portion of the perforated plate 70 disposed opposite the opening 26 is minimized, and each portion of the cooking object r can be uniformly cooked. The cooking quality of can be improved.

On the other hand, as shown in FIGS. 1 to 3B, when the cooking object r is immersed in the high-temperature heated water supplied to the cooking region b, a starch constituent material such as amylopectin is eluted into the heated water w.

At this time, the rest of the steam generated when the heated water w is heated, except for a part that increases the steam pressure in the storage water region c, rises to the cooking region b along the siphon pipe 25 in a bubble state. And it may flow to the cooking object (r) through the free space (b2).

In addition, since the raised air bubbles are widely dispersed over the entire area of the perforated plate 70 along the flow of the heated water (w) dispersed in the clearance space (b2) and pass between the particles of the cooking object (r), the The particles of the cooking object r are finely vibrated by the kinetic energy of the bubbles, and the elution process of the starch may be accelerated.

Meanwhile, as shown in FIGS. 1 to 3C, when the power of the heating units 40a and 40b is cut off, the steam in the storage area c is liquefied, so that the vapor pressure in the storage area c may be reduced.

And, when the vapor pressure of the storage area (c) is reduced to below atmospheric pressure, the heating water (w) of the cooking area (b) is drained to the storage area (c), and the eluted starch is discharged to the heating water (w). It can be separated from the cooking object (r) together.

At this time, the cooking object r is supported by the perforated plate 70 on which the mash hole 71 is formed and is disposed upwardly from the separating plate 20 and the opening 26, so that the heated water (w) is It may vertically descend into the clearance space b2 through the mash hole 71 without passing through the central portion of the cooking object r disposed opposite the opening 26.

Accordingly. Since the path through which the heated water w flows inside the cooking object r is shortened, the amount of starch reabsorbed or re-adsorbed on the cooking object r is minimized, thereby improving the separation efficiency of the starch.

In addition, the heated water descending into the free space b2 may flow toward the opening 26 along the inclination of the drainage induction surface 22 to be discharged to the storage area c.

Meanwhile, the electric cooker 100 repeats the water supply and drainage of the cooking area b according to the increase or decrease of the steam pressure in the storage area c to separate the starch of the cooking object r. It further includes a control unit 61 that controls the power of 40b). Here, the heating parts 40a and 40b are powered by the control unit 61 so that the water supply and drainage of the cooking region b are repeated.

That is, when power is supplied to the heating unit 40 through the control unit 61, the heating water w is heated and vaporized to increase the vapor pressure in the storage area c, and the heating unit through the control unit 61 When the power to 40 is cut off, water vapor is liquefied and the vapor pressure in the storage area c decreases.

At this time, as the power supply and cut off of the heating units 40a and 40b are repeated at a predetermined cycle by the control unit 61, the heating water w is supplied to the cooking region b, and the supplied heating water ( The process of draining w) into the storage area c is repeated, and the starch contained in the cooking object r can be efficiently separated while the cooking object r is cooked.

In this case, it is preferable that the bottom portion of the inner pot 10 is recessed so that the outer region 19 of the central portion facing the siphon tube 25 is inclined downward toward the outer side in the radial direction. Accordingly, the high specific gravity heated water w from which the starch is eluted is collected in the recessed portion, and the starch content in the heated water w supplied to the cooking region b may be reduced during subsequent heating.

In this way, since the siphon tube 25 connecting the reservoir area (c) and the cooking area (b) is provided on one side of the separating plate 20 that divides the receiving space of the inner pot 10 up and down, the heating unit The heating water (w) mutually flows to the cooking zone (b) and the storage zone (c) only by changing the steam pressure in the storage area (c) through (40a, 40b), and the starch of the cooking object (r) is efficiently Can be separated.

Accordingly, it is possible to provide a compact product that does not require a separate storage tank or valve device for discharging heated water while cooking with a low starch content for diet, diet, etc.

In addition, unlike steam cooking, the heated water (w) is raised to directly contact the cooking object (r) according to the steam pressure difference between the storage area (c) and the cooking area (b). Since it can be cooked while absorbing enough moisture, the cooking quality of the product can be improved.

As described above, the present invention is not limited to each of the above-described embodiments, and it is possible to be modified and implemented by those of ordinary skill in the technical field to which the present invention pertains without departing from the scope claimed in the claims of the present invention. And, these modifications are within the scope of the present invention.

100: electric cooker 10: inner pot
11: step 20: separation plate
25: siphon tube 30: separation plate packing
40a, 40b: heating part 50: lid
50c: through part 60: main body
70: perforated plate

Claims (9)

An inner pot having an accommodation space formed therein;
A siphon tube that is attached and detached inside the inner pot so that the receiving space is divided into an upper cooking area for receiving a cooking object and a lower storage area for storing heated water, and a siphon tube submerged in the heated water of the storage area on a lower surface thereof. Separation plate provided;
A separating plate packing mounted on the rim of the separating plate so as to seal the space between the separating plate and the inner pot, and having an insertion guide portion inclined radially inwardly at a lower end thereof; And
A heating unit for heating the inner pot so that the steam pressure in the storage area is increased so that the heating water is supplied to the cooking area along the siphon tube,
The separating plate packing protrudes radially inward on the inner circumference of the packing body so that the upper end of the packing support part is constrained and the packing body part extended in the vertical direction so as to be in surface contact with the packing support part extending upward on the edge of the divider plate. Including the constraining protrusion,
An interlocking protrusion connected to the restraining protrusion is protruded on the outer periphery of the separating plate packing, and the interlocking protrusion is rotated downward when the restraining protrusion is pressed upward, and is formed to be inclined upwardly toward the outer side in the radial direction so as to be pressed and adhered to the inner circumference of the inner pot. Electric cooker. delete The method of claim 1,
The packing support part has an upper end folded radially outward to form a binding end,
An electric cooker, characterized in that a binding groove into which the binding end is inserted is formed on an inner circumference of the packing body. The method of claim 1,
An electric cooker, characterized in that a bent extension portion extending downward to support the inner circumference of the packing support portion is formed at a radially inner end portion of the restraining projection. The method of claim 1,
A perforated plate on which the cooking object is seated is mounted on the upper part of the separating plate,
An electric cooker, characterized in that a seating portion on which an edge of the perforated plate is seated is formed on an upper surface of the restraining protrusion. The method of claim 1,
The electric cooker, characterized in that the insertion induction part is provided to be fitted to the lower edge of the rim of the separating plate. The method of claim 1,
An electric cooker, characterized in that an auxiliary sealing protrusion protruding radially outward so as to be in close contact with the inner circumference of the inner pot is protruded on the outer circumference of the separating plate packing. The method of claim 7,
The auxiliary sealing protrusion is provided in a plurality of stages so as to be spaced apart from each other in the vertical direction, the electric cooker, characterized in that provided so as to increase the length of the protrusion in the radial direction outward toward the upper end. delete

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