JP2010213744A5 - - Google Patents

Description

rice cooker

  The present invention relates to a rice cooker designed to reduce the temperature of steam discharged during rice cooking.

Conventionally, as this kind of rice cooker, a blower is arranged in the lid of the rice cooker, a steam suction cap that opens a steam through hole inside the lid, and steam from the steam through hole is formed on the top surface of the lid A nozzle part provided with a steam outlet that leads to the exhaust outlet, cool air is blown to the steam discharged during rice cooking through the nozzle part to reduce the concentration of the steam, and the air mixed steam is discharged from above the lid What was made (for example, refer patent document 1) etc. is known.
Japanese Patent No. 3560203

However, in the configuration of Patent Document 1, air bubbles including rice crackers and rice bowls in the rice cooker penetrate into the steam suction cap that penetrates the inner lid and the outer lid, and the configuration cannot be maintained, which is unsanitary. There was also a possibility that the starchy substance stuck inside and clogged. In addition, if the quality of the rice is uneven or the amount of water in the cooked rice is large, there is a risk that the rice balls will spill out of the lid.

  The present invention solves the above-mentioned conventional problems, can improve the care of the place where bubbles including steam and rice cake invade, can maintain a hygienic state, and easily spills. It aims at providing the rice cooker which can be prevented from happening.

In order to solve the conventional problems, the first invention includes a rice cooker body, a pot stored in a pot storage portion formed inside the rice cooker body, and a pot heating means for heating the pot. , A lid that can open and close the opening of the rice cooker body, and a lid cover disposed in the lid, the lid cover being open to the rear of the lid and the inward direction of the pan A space that is open in the space, a shielding surface that shields the two spaces and has a through hole, a blower that is provided in the space opened to the rear and sucks outside air and blows air, and the blower and one end And a blower path that is detachably inserted at a position where the other end is in contact with the shielding surface, and one end that is provided in a space opened in the pan inward direction to the blower path via the shielding surface. Connected to the air flow path at the opposite position and the other end in the pan And a steam path that communicates detachably is obtained by interiors.

As a result, the blower path and the steam path are separated and can be removed independently of each other, so that the part into which the rice ball enters can be maintained and a hygienic state can be maintained. Further, in the first invention, wherein the blowing means are positioned in the vicinity of the shielding surface of the lid cover, and were arranged in the direction substantially perpendicular to the direction of flow of the steam of the steam path. This not only mixes the outside air with the high-temperature steam exhausted from the steam path, but also allows air to be blown from the direction substantially perpendicular to the air bubbles including the beak and the beak, so these air paths and eventually to the outside of the lid Can be suppressed.

2nd invention is equipped with the detection means which detects whether the ventilation path and the steam path are attached to the lid cover, and the detection means detects that either one of the ventilation path and the steam path is not present The rice cooker is controlled so as not to energize. As a result, rice is accidentally cooked without any of the components, causing spillage, or the safety of the charging unit can be ensured even if a squirrel enters the lid.

  The rice cooker according to the present invention can maintain a hygienic state by improving the care of the place where bubbles including the onions and onions enter by making the steam path detachable from the lid. Yes, it has become possible to prevent spilling easily. Moreover, it has become possible to improve safety by providing a detection means so that rice cannot be cooked without a steam path or a ventilation path attached.

  According to 1st invention, the rice cooker main body, the pan accommodated in the pan accommodating part formed in the inside of the said rice cooker main body, the pan heating means which heats the said pan, and the opening part of the said rice cooker main body A lid that can be opened and closed, and a lid cover disposed in the lid, wherein the lid cover includes a space that is opened rearward of the lid, a space that is opened in the pan direction, and the lid A shielding surface that shields the two spaces and has a through hole; a blowing means that is provided in the space opened to the rear and sucks outside air to blow; and connects the blowing means to one end and connects the other end to the other end. The blower path detachably inserted at a position in contact with the shielding surface and the one end provided in a space opened in the pan inward direction at a position facing the ventilation path through the shielding surface, and the blowing Connect to the steam path and connect the other end with the steam path. By freely installing, the ventilation path and the steam path are separated and can be removed independently of each other, and the part into which the invader enters can be maintained, so that the hygienic state can be maintained. .

Further , since the air blowing means is located in the vicinity of the shielding surface in the lid cover and arranged in a direction substantially perpendicular to the direction of steam flow in the steam path, the high-temperature steam discharged from the steam path In addition to mixing the outside air with the air, it is possible to blow air from the substantially right angle to the bubbles including the beak and the beak, so that it is possible to suppress these air flow paths and consequently outflow to the outside of the lid.

According to the second aspect of the invention, it is provided with detection means for detecting whether or not the air supply path and the steam path are attached to the lid cover, and the detection means detects that either one of the air supply path or the steam path is absent. If this happens, the rice cooker will be controlled so that it will not be energized. Can be secured.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.
(Embodiment 1)
1 and 2 show a rice cooker according to the first embodiment of the present invention. As shown to a figure, the rice cooker in this Embodiment has the rice cooker main body 1, the pot 2 accommodated in the pan accommodating part 1a formed in the rice cooker main body 1 inside, and the opening part of the rice cooker main body 1. As shown in FIG. A lid 3 attached to the rice cooker body 1 so as to be able to open and close, and a lid 3 that is detachably attached to the inside of the lid 3 (the side that covers the opening of the pan 2), so that the opening of the pan 2 can be sealed. A substantially disk-shaped inner lid 4 having a steam port 4a composed of a plurality of holes (not shown) through which steam generated when cooked in the pan 2 is conducted, and a pan heating device 5 for induction heating the pan 2 And have.

  The pot storage portion 1 a of the rice cooker body 1 is formed in a bottomed cylindrical shape corresponding to the shape of the substantially annular upper frame 1 b fitted into the inner periphery of the upper opening of the rice cooker body 1 and the pot 2. The coil base 1c is integrally connected to the upper frame 1b at the upper opening side end.

  An inner bottom coil 5a and an outer bottom coil 5b constituting the pot heating device 5 are attached to the outer peripheral surface of the coil base 1c. The bottom inner coil 5a is disposed so as to face the periphery of the center of the bottom of the pan 2 via the coil base 1c, and the bottom outer coil 5b is disposed at the corner of the bottom of the pan 2 via the coil base 1c. It arrange | positions so that it may oppose.

  An opening is provided in the central portion of the bottom of the coil base 1 c, and a pan temperature sensor 6, which is an example of a pan temperature detecting device for measuring the temperature of the pan 2, is provided at the bottom of the pan 2. It arrange | positions so that contact | abutment is possible.

  In the rice cooker main body 1, a control device 7 is installed that drives and controls each unit and each device to perform a rice cooking operation. The control device 7 performs drive control of each unit and each device in accordance with a user instruction performed using, for example, an operation switch 3 a provided on the lid 3.

  On the upper part of the front wall of the rice cooker body 1 (upper left side in FIG. 1), a hook 1d that can be engaged with the hook 8 of the lid 3 is provided. A spring 1e is provided between the hook 1d and the upper frame 1b. The hook 1d is biased forward (left side in FIG. 1) by a spring 1e.

  The lid body 3 is provided with an inner lid temperature sensor 9 which is an example of a lid temperature detection device at a substantially forward position, a lid cover 10 at a rear portion, and a hinge axis A at a rotation center position. Is an opening / closing axis of the lid 3, and both ends are fixed to the upper frame 1 b of the rice cooker body 1 so as to be freely rotatable. The lid 3 is rotated by a rotation spring (not shown) provided in the vicinity of the hinge axis A.

  The lid cover 10 has a space 10a opened at the rear of the lid 3 and a space 10b opened in a direction opposite to the pan 2, and shielded between them and provided with a through hole 10c substantially in the center. 10d. A blower unit 11 made of a fan motor or the like is disposed in a substantially perpendicular direction to the through hole 10c of the shielding surface 10d of the lid cover 10. The air intake side 11 a of the air blowing means 11 introduces outside air from the side surface of the lid 3, and the air blowing side 11 b is configured to blow air in a direction substantially parallel to the shielding surface 10 d of the lid cover 10.

Further, in the space 10a opened to the rear of the lid 3 of the lid cover 10, there is a substantially rectangular parallelepiped air passage 12 that is detachably fitted in the space toward the rear, one end of which is a shielding surface. It has a surface parallel to 10d, is provided with an air passage packing 12a, and seals and abuts the vicinity of the through hole 10c of the shielding surface 10d. The air passage 12 also includes an air inlet 12b that sucks in air from the air blowing means 11 and an air outlet 12c that guides the airflow from the air blowing means 11 to the outside of the lid 3. The exhaust port 12 c is composed of a plurality of slit-shaped holes, and the surface of the air passage 12 having the exhaust port 12 c is exposed in a form in which a part of the rear top surface of the lid 3 is cut away.

  A steam passage 13 is detachably disposed in a space 10b opened in a direction facing the pot 2 of the lid cover 10, and the steam passage 13 has one end at the vicinity of the steam port 4a of the inner lid 4 and a steam port. The seal 13a is sealed and brought into contact with the other end, and the vicinity of the through hole 10c of the shielding surface 10d is sealed and brought into contact with the connection packing 13b. Located on the opposite side of the connection packing 13b through the shielding surface 10d is the blowing path packing 12a of the blowing path 12, and the steam path 13 and the blowing path 12 are arranged in communication with each other through the through hole 10c. It takes the composition which is. Moreover, it is also the structure by which the inside of the pan 2 and the exhaust port 12c of the ventilation path | route 12 are connected by this structure. Therefore, the steam path 13 is configured so that excess steam in the pan 2 can be discharged to the air blowing path 12 to the exhaust port 12c. Further, the air blowing means 11 and the air blowing path 12 are incorporated and arranged at a location near the hinge axis A in the latter half of the lid 3.

  In addition, although the positional relationship of the suction side 11a and the ventilation side 11b of the ventilation means 11 is installed in the form which opposed in this Embodiment, depending on the form of the ventilation means 11 to be used, the intake side 11a of the ventilation means 11 is used. The exhaust side 11b may be formed at a substantially right angle, and a certain space may be secured in front of the intake side 11b of the blower means 11, and the intake air amount can be secured in the same manner.

  Further, a part of the inner lid 4 is made of a metal such as stainless steel capable of induction heating. When the lid 3 is in a closed state on the surface of the outer peripheral portion of the inner lid 4 when the lid 3 is in a closed state, A substantially annular inner lid packing 14 in close contact with 2 is attached. The inner lid packing 14 is made of an elastic body such as rubber.

  On the outer surface of the lid 3, a display unit 15 for displaying various information such as a rice cooking menu and time, and an operation switch 3a for starting, canceling, or making a reservation for cooking rice are mounted. By the operation of the operation switch 3a, the rice cooking program incorporated in the control device 7 incorporated in the rice cooker body 1 is executed, and the pan heating device 5 and the inner lid heating coil 10 are operated and stopped according to the progress of the rice cooking program. While performing rice cooking, also about the ventilation means 11, operation | movement and a stop will be controlled by the control apparatus 7 in response to a rice cooking process.

  About the rice cooker comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

  First, predetermined rice and water are set in the pan 2, the rice cooking menu is selected by the operation switch 3a, and the rice cooking start button 16 is pressed, so that the rice cooking process is started. The rice cooking process is a dipping process in which water is kept at a constant temperature and the rice absorbs water, the pot 2 is heated at once by the pot heating device 5, and the cooking process in which the water in the pot 2 is brought into a boiling state, It consists of a steaming process that suppresses heating while water is almost gone. During these processes, rice is gelatinized and cooked. The control device 7 optimally controls the pan heating device 5 according to the temperature of the pan 2 by the pan temperature sensor 6, and cooks rice according to a predetermined rice cooking program. There are several courses in the rice cooking program depending on the type of rice. When this steaming process ends, cooking rice ends, and the process automatically shifts to a heat retaining process, so that the temperature of the cooked rice does not decrease, and the user can always obtain warm rice.

  The detail of the operation | movement by rice cooking program execution is demonstrated below.

  When cooking rice is started, first, a dipping process for allowing the rice to absorb water begins. The control device 7 heats the pan 2 with the pan heating device 5, detects the temperature of the water in the pan 2 with the pan temperature sensor 6, and adjusts it to a temperature at which rice gelatinization does not start (less than about 60 ° C.). Promote rice water absorption.

  In the cooking process, water and heat are added to the rice to cause gelatinization. The control device 7 operates the pan heating device 5 to rapidly heat the pan 2 to bring the water in the pan 2 to a boiling state. At this time, boiling continuously occurs and a large amount of steam is generated. When the generated steam fills the pan 2, excess steam enters the steam path 13 and enters the blower path 12. The control device 7 detects that the water in the pan 2 has boiled by the pan temperature sensor 6 and operates the fan (blower unit) 11. The fan 11 sucks outside air from the direction of the intake side 11a, blows air in the direction of arrow B in the figure, and introduces room temperature air into the blower path 12 via the blower side 11b. The steam guided from the steam path 13 to the blowing path 12 is mixed with air at room temperature, and the mixed fluid of the air and the steam is discharged from the exhaust port 12 c of the blowing path 12 to the outside. Since the vapor concentration can be reduced by mixing with air, the temperature of the discharged mixed fluid decreases. If the fan 11 operates at the time of discharging steam and can reduce the concentration of steam, it does not depend on the temperature detected by the pan temperature sensor 6 and enters the cooking process and starts operating at a constant temperature, or the inner lid temperature. The operation may be started by the detected temperature of another sensor such as the sensor 9.

  Further, in the same process, air is mixed with the paste that is a gelatinized solution inside the steam path 13 to form bubbles, and in some cases, the steam will pass through the connection packing 13b of the steam path 13 and enter the blower path 12. However, the bubbles are eliminated by the wind pressure generated by the air blow from the blower side 11 b of the fan 11, so that the spillage into the blower path 12 can be suppressed.

  In addition, after the rice cooking process and the heat insulation process are finished, the pan 2 and the inner lid 4 are usually washed, but the steam path 13 is also easily removable, so as described above, The hygienic state can be maintained by cleaning dirt that has penetrated into the inside and the starch has adhered to the inner surface. Since the air passage 12 through which the mixed gas of air and steam has passed may cause water droplets to condense depending on the difference from the outside air temperature, it can be removed and washed as well as the steam passage 13 if not every time. It is.

  With the above configuration, in the rice cooker of the present embodiment, since the steam path 13 and the air blowing path 12 can be independently attached and detached, cleaning after use can be easily performed, and the rice cooker is hygienic. It is possible to provide a rice cooker that can be kept in a state and can be prevented from spilling due to the arrangement position of the fan (air blowing means) 11.

(Embodiment 2)
FIG. 3: is a fragmentary sectional view of the rice cooker upper part of the 2nd Embodiment of this invention. About the same structure as Embodiment 1, the same code | symbol is attached | subjected and detailed description is abbreviate | omitted.

  In FIG. 3, magnets 20 are provided in the outer shell portions of the ventilation path 12 and the steam path 13 that are detachably disposed on the lid cover 10, and the ventilation path 12 and the steam path 13 are fitted in predetermined positions on the lid cover 10. A non-contact type magnetic force detection means (reed switch) 21 is provided at a position facing the magnet 20 when combined.

  About the rice cooker comprised as mentioned above, the operation | movement and an effect | action are demonstrated below. Since the basic operation is the same as that of the above embodiment, the description is omitted. In the present embodiment, when both the air flow path 12 and the steam path 13 are set on the lid cover 10, the reed switch 21 detects the magnetic force of the magnet 20 and transmits a signal to the control device 7, so that rice cooking can be started. Become. If energized without either the air flow path 12 or the steam path 13, steam and rice balls stay in the cover cover 10 and become unsafe. Can be made possible. On the other hand, if rice cooking is started without one of them, the fact is displayed on the display device 15 of the lid 3 and can be recognized by the user.

  With the above configuration, the rice cooker according to the present embodiment can provide a rice cooker that ensures safety so that the rice cooking operation cannot be performed without at least one of the blowing path 12 and the steam path 13. it can.

  As mentioned above, since the rice cooker concerning this invention is related with the cooling function of steam, it can be applied also to the use of the cooking appliance which discharges other steam.

Sectional drawing of the rice cooker side surface in the 1st Embodiment of this invention Partial sectional view of the top of the rice cooker The fragmentary sectional view of the rice cooker upper surface in the 2nd Embodiment of this invention Sectional view of a conventional rice cooker side

DESCRIPTION OF SYMBOLS 1 Rice cooker main body 2 Pan 3 Lid body 10 Lid cover 10a Space 10b opened rearward Space 10c opened in the pan direction Through-hole 10d Shielding surface 11 Blower means (fan)
12 Ventilation path 13 Steam path 21 Detection means (reed switch)

Claims (2)

A rice cooker body, a pan housed in a pan housing portion formed inside the rice cooker body, a pan heating means for heating the pan, and a lid body capable of opening and closing the opening of the rice cooker body; A lid cover disposed in the lid body, wherein the lid cover shields and penetrates the space opened to the rear of the lid body, the space opened in the inward direction of the pan, and the two spaces. A shielding surface having a hole, a blowing means provided in the space opened to the rear, for sucking outside air and blowing air, and a position where the blowing means is connected to one end and the other end is in contact with the shielding surface. A blower path that is freely inserted, and is connected to the blower path at one end provided in a space opened in the pan inward and facing the blower path through the shielding surface, and the other end detaching the steam path in communication with the inner bowl freely and furnished the Wind means is positioned in the vicinity of the shielding surface in the lid cover, and rice cookers, characterized in that arranged in the direction substantially perpendicular to the direction of flow of the steam of the steam path. A rice cooker body, a pan housed in a pan housing portion formed inside the rice cooker body, a pan heating means for heating the pan, and a lid body capable of opening and closing the opening of the rice cooker body; A lid cover disposed in the lid body, wherein the lid cover shields and penetrates the space opened to the rear of the lid body, the space opened in the inward direction of the pan, and the two spaces. A shielding surface having holes, and the rear
A blowing means that is provided in a space opened to the outside and blows air by sucking outside air, and a blowing path that is detachably inserted at a position where the blowing means is connected to one end and the other end is in contact with the shielding surface And a steam path that is provided in a space opened in the inner direction of the pan and has one end connected to the blowing path through the shielding surface and connected to the blowing path and the other end communicated with the inside of the pot. DOO detachably furnished, and comprises a detecting means and said air flow path and the steam path is detected whether or not it is attached to the lid cover, wherein the detecting means is either one of the air flow path and the steam path When it is detected that there is no food, the rice cooker is controlled so as not to energize the rice cooker.