JP3979173B2 - Automatic rice cooker - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an automatic rice cooker that automatically performs rice cooking mainly when rice is prepared.
[0002]
[Prior art]
As a rice cooker that automatically cuts rice and cooks rice, there is an automatic rice cooker 1 as shown in FIG. Here, the configuration of the automatic rice cooker 1 shown in FIG. 9 will be described.
[0003]
As shown in FIG. 9, the automatic rice cooker 1 includes a rice storage unit 2 where a user inputs rice, a rice measuring unit 3 that measures rice, a rice-together unit 4 that cuts rice, and rice that cooks rice. Part 5 is provided. A water supply unit 6 supplies a predetermined amount of water to the rice cooking unit 5, and includes a water supply valve 7 and a water supply path 8.
[0004]
9 is a rice conveyance part, the rice feed path 10 which connects the rice cutting part 4 and the rice cooking part 5, the rice insertion valve 11 which is provided in the connection part of the rice supply path 10 and the rice cooking part 5, and opens and closes the rice feed path 10 and It is comprised by the valve drive unit 12 which drives the rice insertion valve 11. FIG. And the valve drive unit 12 is driven, the rice insertion valve 11 is operated, the rice supply path | route 10 is opened, and the rice torn at the rice cutting part 4 is conveyed to the rice cooking part 5. FIG.
[0005]
In addition, the rice storage part 2, the rice measurement part 3, the rice cutting part 4, and the rice conveyance part 9 are called a rice supply part.
[0006]
Reference numeral 13 denotes a steam cylinder, which discharges steam generated when the rice cooking unit 5 cooks rice or keeps it warm to the outside of the automatic rice cooker 1.
[0007]
A control unit 14 controls the water supply unit 6, the rice cooking unit 5, the rice supply unit, and the like.
[0008]
To explain the operation in the above configuration, when the user inputs rice into the rice storage unit 2, inputs the amount of rice to be cooked, and presses an operation start button (not shown), the operation of the automatic rice cooker 1 starts. To do.
[0009]
When the operation of the automatic rice cooker 1 is started, the control unit 14 operates the rice weighing unit 3 to measure the rice weighing process in which a predetermined amount input by the user is measured from the rice stored in the rice storage unit 2. Do. Then, a predetermined amount of rice is supplied to the rice binding unit 4.
[0010]
When a predetermined amount of rice is supplied to the rice binding unit 4, the control unit 14 operates the rice binding unit 4 to perform a rice binding process of removing the paste powder layer (part of the rice cake) from the rice.
[0011]
After the rice cutting process is finished, the control unit 14 drives the valve drive unit 12 to operate the rice input valve 11, whereby the rice from which the paste layer has been removed is supplied to the rice cooking unit 5 through the rice supply path 10. The
[0012]
When a predetermined amount of rice is supplied to the rice cooking unit 5, the control unit 14 operates the water supply unit 6 to supply the rice cooking unit 5 with an optimum amount of water for cooking the rice supplied to the rice cooking unit 5. Perform the water supply process.
[0013]
When a predetermined amount of rice and water is supplied to the rice cooking unit 5, a dipping process is performed in which the rice is soaked in water and absorbed by the rice. And the immersion process of predetermined time is performed, and after the rice absorbs a predetermined amount of water, the rice cooking process which cooks rice is performed.
[0014]
After cooking for a predetermined time, a heat-retaining step is performed to keep the cooked rice warm, and the user can take out the rice from the rice cooking unit 5 at any time.
[0015]
Thus, just by inputting the amount of rice to be cooked and pressing the operation start button, the rice is stored, stored in the rice storage unit 2, and rice weighing, rice cutting, water supply, rice cooking, and heat insulation are automatically performed.
[0016]
In addition, as shown in the arrow of FIG. 9, the rice cooking part 5 of the automatic rice cooker 1 shown in FIG. 9 can be pulled out to the front or the left-right direction.
[0017]
[Problems to be solved by the invention]
The automatic rice cooker 1 having such a conventional configuration has the following problems.
[0018]
When a predetermined amount of rice is peeled off by the rice binding unit 4, the control unit 14 operates the rice insertion valve 11 through the valve drive unit 12 to open the rice supply path 10 and supplies the rice to the rice cooking unit 5. However, at this time, as shown in FIG. 10, foreign matter 16 such as rice, crushed rice, waste rice, rice bran, or dust adheres to the rice introduction valve 11 or the contact portion 15 of the rice supply path 10 and the rice introduction valve 11. To do. Therefore, a gap is generated in the contact portion 15 between the rice supply path 10 and the rice introduction valve 11, and steam generated when the rice cooking unit 5 cooks or keeps the rice out of the fully automatic rice cooker 1 from the steam cylinder 13. In addition to going out, there is a risk of entering the rice feed path 10.
[0019]
Therefore, steam and sticky components of rice contained in the steam adhere to the inner wall of the rice feed path 10 as water droplets 17 as shown in FIG. Infiltrates even into the rice storage part 2.
[0020]
As a result, the rice existing in the rice storage unit 2 is moistened and deteriorated, or the steam enters the electrical components 18 of the rice measuring unit 3 and the rice binding unit 4 and adheres as water droplets 17, The automatic rice cooker 1 cannot be operated normally by causing malfunction of the component 18 or the stickiness component of the rice contained in the steam obstructing the operation of the rice measuring unit 3 and the rice binding unit 4. There is a problem of end.
[0021]
Furthermore, as shown in FIG. 10, when the automatic rice cooker 1 is operated in a state where steam and rice sticky components are attached as water droplets 17 to the inner wall of the rice supply path 10, rice is transferred from the rice tong portion 4 to the rice cooking portion 5. When the rice is peeled off at the rice cutting portion 4 is attached to the rice feed path 10, a predetermined amount of rice is not supplied to the rice cooking portion 5, or as shown in FIG. However, there is also a problem that the rice supply path 10 is clogged.
[0022]
This invention solves the said conventional problem, and it aims at reducing the malfunctioning of an automatic rice cooker, and reducing deterioration of rice.
[0023]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides a rice cooking unit that cooks rice, a rice supply unit that supplies rice to the rice cooking unit, and a steam cylinder that discharges steam generated during cooking or warming from the rice cooking unit to the outside of the main body. And a rice input valve that opens and closes the connecting portion between the rice supply unit and the rice cooking unit, and the rice supply unit has a rice supply path through which rice passes and supplies a steam discharge unit that discharges steam out of the main body. It is provided with a blowing means that is provided in the path and guides the steam that enters the rice feed path to the steam discharge section , and is configured to drive the blowing means during the rice cooking process or the heat retention process.
[0024]
Thereby, the penetration | invasion of the vapor | steam to a rice supply path | route, a rice-together part, a rice measurement part, and a rice storage part can be reduced.
[0025]
DETAILED DESCRIPTION OF THE INVENTION
The invention according to claim 1 is a rice cooking unit that cooks rice, a rice supply unit that supplies rice to the rice cooking unit, and a steam cylinder that discharges steam generated during cooking or warming from the rice cooking unit to the outside of the main body. And a rice discharge valve that opens and closes a connecting portion between the rice supply unit and the rice cooking unit, and the rice supply unit includes a rice supply path through which rice passes and a steam discharge unit that discharges steam to the outside of the main body. Is provided in the rice supply path, and is provided with a blowing means for guiding steam entering the rice supply path to the steam discharge section , and is configured to drive the blowing means during the rice cooking process or the heat retaining process. Steam that enters the rice supply section during or when keeping warm can be discharged from the steam discharge section, so that steam can be prevented from entering the rice supply section, reducing the malfunction of the automatic rice cooker, Moreover, deterioration of rice can be prevented.
[0026]
Furthermore, since the vapor | steam which infiltrates in a rice supply path | route during a rice cooking process or a heat retention process can be guided to a steam discharge part, it can reduce more that a vapor | steam penetrate | invades into a rice supply path | route or a rice edge part.
[0027]
Therefore, the malfunction of the automatic rice cooker due to steam can be further reduced, and the deterioration of rice can be further reduced.
[0028]
Invention of Claim 2 is comprised in the invention of Claim 1 so that a blowing means may be driven before supplying rice from a rice supply part to a rice cooking part, and an automatic rice cooker is continued. When using it, rice can be supplied to the rice cooking section after blowing off water droplets etc. due to steam adhering to the rice supply path or rice input valve, so that rice adheres to the rice supply path or rice input valve etc. Therefore, it is possible to reduce the inability to supply.
[0029]
Invention of Claim 3 is comprised in the invention of Claim 1 or 2 so that a ventilation means may be driven after completion | finish of rice cooking or completion | finish of heat retention, a rice supply path | route, a rice injection valve, or steam discharge | emission The water droplets and the like due to the steam adhering to the section can be dried, so that it is possible to further reduce the fact that rice cannot adhere and be supplied to the rice supply path or the rice input valve, etc. It is possible to reduce the growth of germs and the like due to the adhesion of steam to the steam discharge section, and the rice feed path or the rice charging valve or the steam discharge section can always be kept clean.
[0030]
The invention described in claim 4 is the invention according to any one of claims 1 to 3, wherein the blowing means is provided with a heating means for heating the air fed into the rice feed path. Since warm air can be blown to the rice path, the rice introduction valve, or the steam discharge section, water droplets due to the steam adhering to the rice supply path, the rice introduction valve, or the steam discharge section can be dried more quickly.
[0031]
Therefore, it is possible to further reduce the fact that rice cannot adhere and be supplied to the rice supply path or rice input valve, etc., and bacteria adhere to the rice supply path or rice input valve or the steam discharge part. Propagation can be further reduced, and germs can be killed by warm air, and the rice feed route or the rice charging valve or the steam discharge section can be kept clean.
[0032]
The invention according to claim 5 is the invention according to claim 4, wherein the heating means is configured to be used also as a heating unit for heating the pan of the rice cooking unit, and the heating means is supplied without newly providing the heating means. Since warm air can be blown into the rice path, it is possible to reduce the fact that rice cannot adhere and be supplied to the rice feed path or the rice loading valve, etc., with a low-cost and energy-saving configuration. It is possible to reduce the growth of bacteria and the like due to the vapor adhering to the path, the rice input valve or the steam discharge part.
[0033]
【Example】
Hereinafter, a first embodiment of the present invention will be described with reference to the drawings. In addition, the thing of the same structure as a prior art example attaches | subjects the same code | symbol, and abbreviate | omits description.
[0034]
Example 1
The automatic rice cooker 20 shown in FIG. 1 has a rice storage unit 21 that can store at least rice in an amount to be cooked, a rice weighing unit 22 that measures rice, and a rice paddle that breaks the rice supplied from the rice weighing unit 22. The rice cooking part 24 which cooks the rice which was torn off in the part 23 and the rice tong part 23 is provided.
[0035]
Reference numeral 25 denotes a rice transport unit, which is a rice feeding path 26 that connects the rice fork part 23 and the rice cooking unit 24, and a rice introduction valve 27 that is provided in a connection part between the rice feeding path 26 and the rice cooking unit 24 to open and close the rice feeding path 26. And a valve drive unit 28 for driving the rice input valve 27. Then, the rice that has been broken at the rice cutting portion 23 is supplied to the rice cooking portion 24.
[0036]
In addition, the rice storage part 21, the rice measurement part 22, the rice cutting part 23, and the rice conveyance part 25 are called a rice supply part.
[0037]
A water supply unit 29 includes a water supply valve 30 and a water supply path 31, and supplies a predetermined amount of water to the rice cooking unit 24.
[0038]
Reference numeral 32 denotes a control unit that controls the rice weighing unit 22, the rice cutting unit 23, the rice transport unit 25, the water supply unit 29, and the rice cooking unit 24.
[0039]
The rice binding unit 23 includes a rice storage container 33 for storing the rice weighed by the rice weighing unit 22, a rotary blade 34 rotatably disposed in the rice storage container 33, and a driving means 35 for driving the rotary blade 34. I have.
[0040]
The rice cooking unit 24 includes a pot 36 for storing rice and water, a heating unit 37 for heating the rice and water through the pot 36, an inner lid 38 for sealing the rice and water in the pot 36, and the pot 36 and the inner lid 38. The steam cylinder 39 which discharges | emits the vapor | steam generate | occur | produced by this outside the automatic rice cooker 20 is provided.
[0041]
A steam discharge unit 40 connects the rice supply path 26 and the outside of the automatic rice cooker 20, and discharges the steam that enters the rice supply path 26 out of the automatic rice cooker 20.
[0042]
The operation of the above configuration will be described. When the user inputs rice into the rice storage unit 21 and inputs the amount of rice to be cooked, when the operation start button (not shown) is pressed, the operation of the automatic rice cooker 20 starts.
[0043]
When the operation is started, the control unit 32 operates the rice weighing unit 22 so that the rice weighing unit 22 supplies a predetermined amount of rice to the rice storage container 33.
[0044]
When a predetermined amount of rice is supplied to the rice container 33, the control unit 32 operates the driving means 35 in accordance with the rice cutting process program. When the driving means 35 is operated, the rotary blades 34 are rotated, and a rice cutting process for cutting the rice stored in the rice storage container 33 is performed.
[0045]
When the rice cutting process is completed, the control unit 32 discharges the rice from the rice cutting part 23 and operates the rice introduction valve 27 via the valve drive unit 28 in accordance with the rice conveyance process program, thereby supplying the rice supply path 26 and the rice cooking unit 24. Open the connection with. Then, the rice that has been broken at the rice cutting portion 23 is supplied to the pot 36 of the rice cooking portion 24 via the rice transport portion 25.
[0046]
When a predetermined amount of rice is supplied to the pan 36 of the rice cooking unit 24, the control unit 32 operates the water supply valve 30 to supply an optimal amount of water to the amount of rice set by the user via the water supply path 31. It supplies to the pan 36 of the rice cooking part 24.
[0047]
In this way, when a predetermined amount of water and rice are supplied to the pan 36, the control unit 32 operates the rice cooking unit 24 in accordance with an immersion process program and a rice cooking process program that cause the rice to absorb water. When the rice cooking unit 24 operates, the amount of rice that the user wants to cook is cooked.
[0048]
When a predetermined amount of rice is cooked, the control unit 32 enters a heat retaining process for keeping the rice warm.
[0049]
In this way, rice is cooked.
[0050]
The steam generated during the rice cooking process or the heat retaining process is discharged out of the automatic rice cooker 20 through the steam cylinder 39.
[0051]
As described above, according to the present embodiment, when the control unit 32 operates the rice introduction valve 27 via the valve drive unit 28 and supplies rice from the rice binding unit 23 to the rice cooking unit 24 via the rice transport unit 25. As shown in FIG. 2, there is a possibility that foreign matters 42 such as rice, crushed rice, waste rice, rice bran, or garbage may adhere to the contact portion 41 of the rice input valve 27 or the rice supply path 26 and the rice input valve 27, Even if it tries to close the rice supply path | route 26, the clearance gap will arise in the contact part 41 by the foreign material 42, and the vapor | steam which generate | occur | produces in a rice cooking process or a heat retention process may infiltrate in the rice supply path | route 26, but the rice supply path | route 26 The steam that has entered inside is discharged to the outside of the automatic rice cooker 20 via the steam discharge unit 40.
[0052]
Therefore, steam that enters the rice supply path 26 via the rice input valve 27 during the rice cooking process or the heat retention process adheres to the inner wall of the rice supply path 26, or the inside of the rice binding section 23 or the rice measuring section. 22 and further, it is possible to reduce the intrusion into the rice storage unit 21, so that the steam wets and deteriorates the rice existing in the rice storage unit 21, and the steam is a rice measuring unit. No. 22 and the rice 35 and the drive means 35 of the rice-cutting part 23 enter the electric parts and adhere as water droplets, causing malfunction of the electric parts, or the stickiness component of the rice contained in the steam is the rice measuring part 22 and the rice-together part 23 can be reduced, and the state in which the automatic rice cooker 20 cannot operate normally can be reduced.
[0053]
Furthermore, since it is possible to reduce the adhesion of water droplets to the rice supply path 26, it is possible to reduce the possibility that rice is clogged in the rice supply path 26.
[0054]
Therefore, the invasion of steam into the rice supply unit can be prevented, the malfunction of the automatic rice cooker 20 can be reduced, and the deterioration of the rice can be prevented.
[0055]
In addition, as shown in FIG. 3, the automatic rice cooker 20 may be a thing of the structure which provided the rice cooking part 24 in the substantially upper part of the rice splicing part 23 or the rice storage part 21, and the rice cooking part 24 is a rice splicing. The structure provided in the substantially horizontal part of the part 23 or the rice storage part 21 may be sufficient.
[0056]
Moreover, the rice storage part 21 may be able to store a large amount of rice (for example, 10 kg), or may be capable of storing only the amount to be cooked each time (for example, 3 minutes).
[0057]
Moreover, when supplying rice-washed rice that can be cooked even if it is not supplied to the rice storage unit 21, the rice-together unit 23 may simply discharge the rice without washing it.
[0058]
In addition, the rice supply unit may not have the rice splicing part 23 but may have a structure corresponding to non-washing rice provided only with the rice storage part 21, the rice weighing part 22, and the rice transport part 25.
[0059]
Moreover, in description of operation | movement of the automatic rice cooker 20, it was made to supply water after supplying rice to the rice cooking part 24, However, You may supply rice after supplying water, or water and rice. You may supply simultaneously or alternately.
[0060]
Moreover, the structure directly connected to a water tap may be sufficient as the water supply part 29, and the structure provided with the water tank and supplying water to the rice cooking part 24 from a water tank may be sufficient. In the case where a water tank is provided, the automatic rice cooker 20 can be installed at an arbitrary place if the user supplies water to the water tank.
[0061]
In addition, a check valve may be provided in the water supply path 31, or the water supply valve 30 may be provided in the vicinity of the pan 36 of the rice cooking unit 24 so that steam does not easily enter the water supply path 31.
[0062]
Moreover, the automatic rice cooker 20 may not have a water supply unit and may have a configuration including only a rice supply unit.
[0063]
Then, as shown in FIG. 4, it is provided with a blowing means 43 for sending air into the rice supply path 26, and by driving the blowing means 43 when steam is generated in the rice cooking process or the heat retaining process, the rice cooking process or the heat retaining process. Since the vapor | steam which infiltrates in the rice supply path | route 26 can be guided to the steam discharge part 40 inside, it can further reduce that a vapor | steam penetrate | invades into the rice supply path | route 26 or the rice edge part 23. FIG.
[0064]
Therefore, the malfunction of the automatic rice cooker 20 due to steam can be further reduced, and the deterioration of the rice can be further reduced.
[0065]
Furthermore, since it is possible to further reduce the amount of water droplets adhering to the rice supply path 26, it is possible to further reduce rice clogging in the rice supply path 26.
[0066]
Then, the control means 32 drives the blower means 43 before supplying rice from the rice supply section to the rice cooking section 24, so that water droplets due to steam adhering to the rice supply path 26, the rice input valve 27, or the steam discharge section 40. Etc. can be blown away or dried, so that there is no water drop.
[0067]
Therefore, when the automatic rice cooker 20 is continuously used, the rice can be supplied to the rice cooking unit 24 after the steam is not attached as water droplets to the rice supply path 26 or the rice input valve 27. Further, it is possible to further reduce the fact that rice cannot adhere and be supplied to the rice supply path 26 or the rice introduction valve 27.
[0068]
Then, after the rice cooking process or the heat insulation process is completed, the control unit 32 drives the blower unit 43 to dry water droplets or the like due to the steam attached to the rice supply path 26, the rice input valve 27, or the steam discharge unit 40. be able to.
[0069]
Therefore, when the automatic rice cooker 20 is used continuously, the rice can be supplied to the rice cooking unit 24 after the steam is not attached as water droplets to the rice supply path 26 or the rice introduction valve 27. In addition, it is possible to reduce the fact that rice cannot adhere and be supplied to the rice supply path 26 or the rice input valve 27 and the rice supply path 26 or the rice input valve 27 or the steam discharge section after the rice cooking process or after the heat retention process. It is possible to reduce the growth of germs and the like due to steam adhering to 40, and the rice supply path 26, the rice input valve 27, or the steam discharge unit 40 can always be kept clean.
[0070]
Therefore, it is possible to reduce the inability to supply rice to the rice cooking unit 24, and it is possible to always keep the rice supply path 26, the rice input valve 27, or the steam discharge unit 40 in a clean state.
[0071]
Then, as shown in FIG. 5, by providing a heating unit 44 that heats the air that the blowing unit 43 sends to the rice supply path 26, the blowing unit 43 and the heating unit 44 are driven after the rice cooking process or after the heat retention process. Since warm air can be blown to the rice supply path 26 or the rice input valve 27 or the steam discharge section 40, water droplets or the like due to the steam adhering to the rice supply path 26 or the rice input valve 27 or the steam discharge section 40 can be discharged more quickly. Can be dried.
[0072]
Therefore, when the automatic rice cooker 20 is continuously used, the rice can be supplied to the rice cooking unit 24 after the steam is not attached as water droplets to the rice feed path 26 or the rice insertion valve 27, It is possible to further reduce the fact that rice cannot adhere and be supplied to the rice supply path 26 or the rice input valve 27 and the rice supply path 26 or the rice input valve 27 or the steam discharge after the rice cooking process or after the heat retention process. Since it is possible to further reduce the proliferation of germs and the like due to steam adhering to the portion 40, or to kill the germs by warm air, the rice supply path 26 or the rice input valve 27 or the steam discharge portion 40 can be kept cleaner.
[0073]
Then, the heating unit 37 provided in the rice cooking unit 24 heats the pan 36 of the rice cooking unit 24 and discharges the heat to the periphery of the rice cooking unit 24. Therefore, as shown in FIG. Are connected by the intake passage 46, the blowing means 43 can blow part of the heat generated by the heating unit 37 to the rice supply passage 26.
[0074]
Therefore, since the warm air can be blown to the rice supply path 26 without newly providing the heating means 44, the rice supply path 26, the rice input valve 27, or the steam discharge section can be constructed with a low cost and energy saving configuration. Water droplets or the like caused by the vapor attached to 40 can be dried.
[0075]
Therefore, when the automatic rice cooker 20 is continuously used, the rice can be supplied to the rice cooking unit 24 after the steam is not attached as water droplets to the rice supply path 26 or the rice introduction valve 27. It is possible to reduce the fact that rice cannot adhere and be supplied to the rice path 26 or the rice input valve 27.
[0076]
Furthermore, it is possible to reduce the growth of bacteria and the like due to the vapor adhering to the rice supply path 26, the rice input valve 27, or the steam discharge unit 40.
[0077]
In addition, when the heating unit 37 is configured with an IH coil, an IH coil control unit is necessary. However, since this IH coil control unit also generates a lot of heat, the heat generated by the IH coil control unit is also the rice supply path. It is better if the air is blown to 26.
[0078]
Then, as shown in FIG. 7, the rice supply means 47 is provided in the vicinity of the rice cutting portion 23 of the rice supply path 26, and the control unit 32 supplies the rice cooked by the rice cutting portion 23 to the rice cooking portion 24. By driving the supply means 47, the rice can be moved by air, so that the rice can be supplied from the rice binding portion 23 to the rice cooking portion 24 earlier, and the rice supply path 26 and the rice input valve 27, The foreign matter 42 such as rice, crushed rice, crushed rice, rice bran or garbage attached to the contact portion 41 between the rice supply path 26 and the rice input valve 27 is blown away, or the rice supply path 26, the rice input valve 27, the rice supply path 26 and Since the foreign matter 42 can be made difficult to adhere to the contact portion 41 with the rice insertion valve 27, deterioration of the sealing property between the rice supply path 26 and the rice insertion valve 27 due to the foreign matter 42 can be reduced, and rice cooking Steam during process or heat insulation process It can be further reduced from entering the feed US path 26.
[0079]
Further, the control unit 32 drives the rice supply means 47 during the rice cooking process or the heat retaining process, so that the steam generated during the rice cooking process or the heat retaining process enters the rice supply path 26 to the steam discharge unit 40. I can guide you.
[0080]
Therefore, it is possible to further reduce the intrusion of steam into the rice supply path 26, to further reduce the malfunction of the automatic rice cooker 20 due to the steam, and to further reduce the deterioration of the rice.
[0081]
In addition, although described so that the rice supply means 47 could be combined with the ventilation means 43, you may provide both the rice supply means 47 and the ventilation means 43. FIG.
[0082]
Then, in addition to the step of supplying the rice cooked by the rice tong unit 23 to the rice cooking unit 24, the control unit 32 operates the rice introduction valve 27 through the valve drive unit 28 to open the rice supply path 26, and rice supply means By providing the step of driving 47, the foreign matter 42 adhering to the rice feed passage 26, the rice introduction valve 27, and the contact portion 41 between the rice supply passage 26 and the rice introduction valve 27 due to the air flow generated by the rice supply means 47 is removed. Since it can be blown away, the foreign substance 42 adhering to the contact part 41 of the rice supply path 26 and the rice input valve 27 and the rice supply path 26 and the rice input valve 27 can be further removed.
[0083]
Therefore, it is possible to further reduce the adhesion of foreign substances to the rice supply path 26, the rice input valve 27, and the contact portion 41 between the rice supply path 26 and the rice input valve 27. Since deterioration of the sealing property with the rice input valve 27 can be reduced, it is possible to further reduce the entry of steam into the rice supply path 26 during the rice cooking process or the heat retaining process.
[0084]
The step of operating the rice introduction valve 27 to drive the rice supply means 47 may be performed before or after supplying rice to the rice cooking unit 24.
[0085]
Further, instead of the rice supply means 47, the air blowing means 43 is operated so as to blow away the foreign matter 42 adhering to the rice feed path 26, the rice input valve 27, and the contact portion 41 between the rice supply path 26 and the rice input valve 27. Also good.
[0086]
Then, as shown in FIG. 8, by connecting the steam discharge unit 40 to the steam tube 39, the steam that has entered the steam discharge unit 40 during the rice cooking process or the heat retaining process can also be discharged from the steam tube 39. All the steam generated during the rice cooking process or the heat retaining process can be discharged from the steam cylinder 39 to the outside of the automatic rice cooker 20.
[0087]
Therefore, the steam discharge part 40 can be comprised small, and the location where the steam of the automatic rice cooker 20 is discharged can be made one.
[0088]
Furthermore, if the blowing means 43 is driven even after the rice cooking process or the heat retaining process, not only the rice supply path 26 or the rice input valve 27 and the steam discharge unit 40 but also the steam cylinder 39 can be dried.
[0089]
Therefore, it is possible to reduce the proliferation of bacteria and the like due to the vapor adhering to the inside of the steam cylinder 39 as water droplets, and the steam cylinder 39 can be kept clean.
[0090]
Therefore, the automatic rice cooker 20 can have a simple configuration, and the rice supply path 26, the rice input valve 27, the steam discharge unit 40, and the steam cylinder 39 can be kept clean.
[0091]
In addition, if not only the ventilation means 43 but the heating means 44 is operated, the inside of the steam cylinder 39 can be dried faster, which is better.
[0092]
Further, the rice supply means 47 may be operated instead of the blower means 43.
[0093]
【The invention's effect】
As described above, according to the present invention, it is possible to reduce the invasion of steam into the rice feed path, the rice-together section, the rice weighing section, and the rice storage section, reduce the malfunction of the automatic rice cooker, and Deterioration can be reduced.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of an automatic rice cooker according to an embodiment of the present invention. FIG. 2 is a partially enlarged view of the automatic rice cooker in the vicinity of a rice feed path and a rice introduction valve. Sectional view [Fig. 4] Partial enlarged view when air supply means is provided in the rice feed path of the automatic rice cooker [Figure 5] When heating means for heating the air fed into the rice feed path of the automatic rice cooker is provided Partial enlarged view [Fig. 6] Sectional view when the intake path of the blowing means of the automatic rice cooker is arranged in the vicinity of the heating unit [Fig.7] Section when the rice supply means of the automatic rice cooker is provided in the rice supply path [Fig. 8] Partial enlarged view when the steam discharge part of the automatic rice cooker is connected to the steam cylinder [Fig. 9] Cross-sectional view of the conventional automatic rice cooker [Fig. 10] Steam in the rice feed path of the automatic rice cooker Sectional view when the rice has infiltrated [Figure 11] Cross-sectional view when the rice of the automatic rice cooker is clogged in the rice feed path Akira]
DESCRIPTION OF SYMBOLS 20 Automatic rice cooker 24 Rice cooking part 26 Rice supply path 27 Rice input valve 36 Pan 37 Heating unit 39 Steam cylinder 40 Steam discharge part 43 Blower means 44 Heating means 47 Rice supply means

Claims (5)

A rice cooking unit that cooks rice, a rice supply unit that supplies rice to the rice cooking unit, a steam cylinder that discharges steam generated during cooking or warming from the rice cooking unit to the outside of the main body, the rice supply unit and the rice cooking A rice introduction valve that opens and closes a connection portion with the rice supply unit, the rice supply unit has a rice supply path through which rice passes, and a steam discharge unit that discharges steam out of the main body is provided in the rice supply path, An automatic rice cooker that includes a blowing unit that guides steam entering the rice path to a steam discharge unit , and drives the blowing unit during a rice cooking process or a heat retention process.   The automatic rice cooker of Claim 1 which drives a ventilation means before supplying rice to a rice cooking part from a rice supply part.   The automatic rice cooker of Claim 1 or 2 which drives a ventilation means after completion | finish of rice cooking or heat retention.   The automatic rice cooker of any one of Claims 1-3 which provided the heating means which heats the air which a ventilation means sends into a rice supply path | route.   The automatic rice cooker according to claim 4, wherein the heating means is a heating unit that heats the pan of the rice cooking unit.

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