JP2503810B2 - Fully automatic rice cooker - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fully automatic rice cooker, and more particularly to a fully automatic rice cooker having a plurality of rice cookers.

[0002]

2. Description of the Related Art Various conventional full-automatic rice cooking devices have been proposed, but generally they consist of a device for supplying rice and a rice cooker, and they wash rice and soak it in water for a certain period of time. After that, heat the rice cooker to cook the rice inside. After that, rice is cooked through a steaming process for a predetermined time.

[0003]

In the conventional fully-automatic rice cooker, rice is cooked in one rice cooker. Therefore, a series of steps from rice supply to completion of rice cook takes a long time to cook a large amount of rice. Is difficult. In particular, the immersion process after washing the rice takes time, and improvement in efficiency is desired. Therefore, there is a technical problem to be solved in order to cook a large amount of rice continuously without manpower and to improve the efficiency in the dipping process. The present invention solves this problem. The purpose is to do.

[0004]

The present invention has been proposed in order to achieve the above object, and a rice supply device is formed by a rice storage and a rice washing tank, and a plurality of rice cookers are arranged. , Above the rice supply device is provided so as to be movable laterally, a predetermined amount of rice stored in the rice storage is put into a rice washing tank, and the rice is rinsed in the rice washing tank with a predetermined amount. A fully-automatic rice cooker in which the rice is soaked for a period of time and fed to the rice cooker, and the rice is soaked in the rice cooker for a predetermined time, and then the rice cooker is heated to cook the rice. Characterized in that the time for dipping in the rice washing tank and the time for dipping in the rice cooker are changed in a constant cycle between the first rice cooker and the second and subsequent rice cookers to cook rice. Automatic rice cooker and rice supply device with rice storage and washing tank , A plurality of rice cookers are arranged, the rice supply device is provided above the rice cookers so as to be movable in the lateral direction, and a predetermined amount of rice stored in the rice storage is put into the rice washing tank to wash the rice. Wash the rice in water and soak it for a predetermined time, supply the soaked rice to a rice cooker, and further soak the rice in the rice cooker for a predetermined time, and then heat the rice cooker to cook the rice. a fully automatic rice cooking apparatus controlled, metering start of the second and subsequent cooking kettle, complete steaming from the metering
Add 1 to the number of rice cookers to use for the entire process time until completion
To be performed at approximately the same time interval as the number divided by
The time to soak in the rice washing tank and the rice cooker
It is intended to provide a fully-automatic rice cooking device, which is characterized by distributing the time of immersion to cook rice.

[0005]

When rice is cooked by the fully automatic rice cooker of the present invention, first, rice is charged from the charging port and stored in the rice storage. Then, a predetermined amount of rice stored in the rice storage is charged into the rice washing tank, and the rice is washed with water in the rice washing tank. The rice washed with water is immersed in the rice washing tank for a predetermined time out of all the steps required for immersion, and then the immersed rice is supplied to the first rice cooker of the rice cookers having a plurality of rice cookers. The rice is further dipped in the first rice cooker for the remaining predetermined time to cook and steam.

In the meantime, new rice from the rice storage is put into the rice washing tank and washed with water, and is immersed in the rice washing tank for a predetermined time in the same manner as described above, and the immersed rice is placed in the second rice cooker. Supply. Then, the rice is soaked and steamed by immersing it in the second rice cooker for the remaining predetermined time, and during this time, new rice is further put into the rice washing tank from the rice storage and washed with water. As described above, the immersion time is distributed between the rice washing tank and the rice cooker. For example, the distribution of the immersion time in the rice supplied to the first rice cooker and the second and subsequent rice cookers. If the distribution of the soaking time in the rice supplied to the kettle is changed in a certain cycle and rice is cooked in multiple rice cookers, the entire process from weighing to steaming is averaged per rice cooker. Cooking is completed in an extremely short time compared with the rice cooker of.

Also, the start of weighing of the second and subsequent rice cookers is
Cooking rice that uses the entire process time from weighing to completion of steaming
Time interval approximately the same as the value obtained by dividing the number of kettles by 1
Time to soak in the rice washing tank, as done in
Since I distributed the time to soak in the rice cooker,
When using the rice cooker of
Cooking is completed at approximately equal intervals.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings. 1 and 2 show a fully-automatic rice cooker, in which a plurality of heating furnaces 2, 2 ... Are arranged in a line below a pedestal 1 and rice cookers 3, 3 ... To place. As shown by the arrows in FIG. 2, the furnaces 2, 2, ... Are formed so that they can be individually pulled out to the front of the gantry 1. Then, the rice supply device 4 is provided on the pedestal 1.

The rice supply device 4 includes a rice storage 5 and a rice washing tank 6
The hook 7 fixed to the upper back of the rice storage 5 is hooked on the upper rail 8 of the pedestal 1, and the roller 9 pivotally attached to the lower back of the rice storage 5 is applied to the lower rail 10 of the pedestal 1. The ends of the chains 11 are fixed to the lower surface of the rice storage 5 while being brought into contact with each other. Then, a motor 12 is fixedly mounted on one end of the pedestal 1 and a drive sprocket 13 is attached thereto, a passive sprocket (not shown) is attached to the other end of the pedestal 1, and the chain 11 is wound between both sprockets. To do.

Therefore, by driving the motor 12, the chain 11 fixed to the rice storage 5 is pulled, and the rice storage 5 moves along the upper rail 8 and the lower rail 10. That is, the rice supply device 4 is formed so as to be movable laterally above the rice cookers 3, 3, ... Arranged in line. Sensors 14, 14 ... Are provided on the lower rail 10 at the central positions of the rice cookers 3, 3 ..., and the rice supply device 4 detects the sensors 14, 14 ,. It is positioned so as to stop immediately above 3.
Here, the rice cookers 3, 3, ... In FIGS. 1 to 4 will be described. Each of the rice cookers 3 has an opening 1 at the center of the lid 15
6 is opened and closed by a horizontally sliding shutter 17.
The shutter 17 is moved in the front-rear direction by driving a motor 18 fixed to the gantry 1 to open or close the insertion port 16. A sensor 19 is provided in the vicinity of the motor 18, and the open state of the shutter 17 is read by detecting the rotational position of the shutter arm 20.

Further, as shown in FIG. 4, an inner pot 22 is provided inside the pot body 21, and a temperature sensor 23 is provided in the gap portion of the double pot structure. Since the gas combustion type furnace 2 is used in this embodiment, a gas ignition device 24 and a gas leak sensor 25 are provided on the upper part of the furnace 2. Further, as shown in FIGS. 2 and 3, a rear end portion 26a of a lever 26 having a U-shape in plan view is pivotally attached to the gantry 1, and intermediate portions 26b and 26b of the lever 26 are attached to both left and right side portions of the insertion port 16. And a front end portion 26c of the lever 26 is bent obliquely upward to form a grip portion.

Next, the rice supply device 4 will be described with reference to FIG. An input port 27 is provided above the rice storage 5, and a lid 28 is attached to the input port 27. The lower part of the rice storage 5 is tapered like a hopper, and the rice discharging port 29 is provided at the bottom thereof.
The rice discharging port 29 is provided with a rotary rice discharging valve 30. The rice discharge valve 30 is a semi-cylindrical shape having an open surface on the upper side, and is rotated by means of a motor or the like to open and close the rice discharge port 29. Normally, the rice discharge valve 30 is stopped so that the open surface of the semi-cylindrical shape is on the upper side.
Rice introduced from 7 is temporarily stored in the rice storage 5. At that time, a certain amount of rice is also accumulated in the rice discharge valve 30.

When the rice discharge valve 30 is rotated so that the open surface of the semi-cylindrical shape faces downward, the rice accumulated in the rice discharge valve 30 is discharged below the rice storage 5. By rotating the rice discharge valve 30 so that the open surface is on the upper side, a part of the rice stored inside the rice storage 5 is accumulated again in the rice discharge valve 30 by a certain amount, and the rice discharge port 29 is opened. It will be in a closed state. Therefore, the sensor 31
Detects whether the rice discharge valve 30 is closed or not, and the sensor 31 counts the number of times the rice discharge valve 30 is opened to measure the amount of rice fed from the rice storage 5 to the rice washing tank 6.

In the figure, a rice washing tank 6 is attached to a lower position of the rice storage 5, and a funnel-shaped input port 32 is provided on one side of an upper surface of the rice storage 5. It is located at the lower part of the rice discharging port 29. Further, a water nozzle 33 is fixedly installed on the upper surface of the inside of the rice washing tank 6 and is connected to a water pipe 34 provided in the rear portion of the rice supply device 4. Further, a flexible tube 35 is arranged on the back surface of the gantry 1, and a water pipe (not shown) inside the flexible tube 35 is connected to the water pipe 34 so that the nozzle 33 can wash the rice. 6 is formed so as to spray water.

On the other hand, a shaft 36 is vertically provided at the center of the rice washing tank 6, and an upper end 36a of the shaft 36 is projected to the upper surface of the rice washing tank 6 and connected to a motor 38 by a chain 37. The axis 3
Frames 39, 39 ... Are fixed to the lower part of 6, and the frames 39, 39 ... Rotate in the rice washing tank 6 together with the shaft 36 by the drive of the motor 38, and the rice is washed while stirring.
Alternatively, the shaft 36 may be formed so as to perform the stirring operation while being inverted at an appropriate position.

The lower part of the rice washing tank 6 is also tapered like a hopper like the rice storage 5, and a rice discharging port 40 is opened at the bottom thereof and is pivotally supported in the shaft 36. A rice discharge valve 41 is provided at the lower end of the opening / closing shaft 36 ' .
Then, the motor 42 is provided on top of the rice washing tank 6, and 'connected to the upper end of the control shaft 36 by the drive of the <br/> motor 42' via a link 43 the control shaft 36 is vertically exhaust The rice valve 41 is opened and closed. In addition, a drain valve 44 is provided near the rice discharge port 40.
Mounting the drain tube 45 connected to, and connecting the drain pipe 45 to the interior of the discharge water pipe of the flexible tube 35 (not shown),
The water after washing the rice is formed in the rice washing tank 6 so as to be discharged to the outside.

In order to cook rice in this embodiment, first, the rice discharge valve 30 of the rice discharge port 29 of the rice storage 5 is closed to remove rice from the input port 27. throw into. The rice storage 5 stores several to several dozen times as much rice as the amount of rice cooked at one time in one rice cooker 3. Then, the rice discharging valve 30 is rotated to discharge a predetermined amount of rice to be cooked at one time from the rice discharging port 29, and the charging port 3 of the rice washing tank 6 is discharged.
Pour from 2 into the rice washing tank 6. After discharging a predetermined amount of rice, the rice discharging port 29 is closed.

When rice is thrown into the rice washing tank 6, water is jetted from the nozzle 33 and the shaft 36 is rotated by driving the motor 38 to stir the frames 39, 39 ... After washing the rice for a certain period of time, the motor 38 is stopped and the drain valve 44 is closed to store a predetermined amount of water required for dipping the rice in the rice cooker 3. This work is called so-called water adjustment, and after the water addition process is completed, rice is supplied to the rice cooker 3. Alternatively, wash rice tank 6 before adding water
The rice may be supplied to the rice cooker 3 after waiting for a predetermined time in the rice, dipping during that time, adjusting the water content.

As described above, the charging port 16 of the rice cooker 3 is covered by the shutter 17, and the shutter 17 is slid by the drive of the motor 18 to open the charging port 16.
The shutter 17 is opened only when the rice supply device 4 is positioned above the rice cooker 3 according to the detection of the position sensor 14. After opening the shutter 17,
The rice discharge valve 41 of the rice washing tank 6 is opened, and the rice, which has been subjected to the water addition / reduction process, is put into the rice cooker 3 together with water. After the rice is charged into the rice cooker 3, the shutter 17 may be slid to close the charging port 16 again, and the rice supply device 4 may be moved to the upper position of another rice cooker.

Thus, the rice put in the rice cooker 3 is stored in the inner pot 2
2 for the remaining predetermined time, or when all the dipping steps have already been completed in the rice washing tank 6, after the rice has been charged into the rice cooker 3, the pot furnace 2 is ignited. And heat the rice cooker 3. The heating temperature is monitored by the temperature sensor 23, and the optimum heating time is set according to the difference in various conditions such as the quality and quantity of rice, and water addition. Furthermore, after the rice is cooked, a steaming process is performed for a predetermined time.

Thus, the rice cooking in one rice cooker 3 is completed. Here, the front end portion 26c of the lever 26 provided on the upper portion of the rice cooker 3 is gripped and rotated upward, and the lid 15 is separated from the cooker main body 21 and lifted up. Then, the inner pot 22 containing the cooked rice is taken out from the pot main body 21, and the rice in the inner pot 22 is transferred to a warmer or the like. As described above, the work of taking out the inner pot 22 is performed by the rice feeding device 4
Is done while moving to the upper position of another rice cooker, the rice washing tank 6 or the like does not interfere, but when the rice supply device 4 is located above the rice cooker 3, After pulling out the furnace 2 in front of the gantry 1, the lid 15 is opened and the inner pot 22 is taken out.

FIG. 5 shows an example of a rice cooking process when two rice cookers A and B are used, and shows the time required for each process such as weighing, washing rice, and waiting. First, the rice supply device 4 measures the rice for the rice cooker A (required time is about 1 minute),
Rinse the rice in the rice washing tank 6 for about 5 minutes. Then, at first, the process moves to the water addition process (about 1 minute) without the standby process, and the rice is supplied to the rice cooker A. After that, the whole process (about 34 minutes) required for the dipping is spent in the rice cooker of A, but immediately after the rice is discharged to the rice cooker of A, the rice supplying device 4 is used for the rice cooker of B. Weigh the rice (about 1 minute) and wash the rice (about 5 minutes). Then, in the rice washing tank 6 for a predetermined time (about 2
Wait for 1 minute, during which part of the dipping process is performed. After that, a water addition process (about 1 minute) is performed, the rice supply device 4 is moved above the B rice cooker, and the rice is supplied to the B rice cooker. Further, in the rice supplying device 4 after discharging rice to the B rice cooker, the rice for the next process of the A rice cooker is weighed (about 1 minute).
The rice is washed (for about 5 minutes), waits for about 34 minutes in the rice washing tank 6, and all the dipping steps are performed during this wait.

After the above-mentioned dipping process (about 34 minutes) in the rice cooker A, the rice cooker A is heated to cook rice (about 20 minutes). Further, after a steaming step for about 15 minutes, all the steps of the first rice cooking in the rice cooker A are completed (at the time of X ₁ ). During this time, the remaining predetermined time (about 13 minutes) necessary for the dipping is applied to the dipping process in the rice cooker B. After that, the B rice cooker is heated to cook rice (about 20 minutes), and after the steaming process for about 15 minutes, all the steps of the first rice cook in the B rice cooker are completed (at the time of X ₂ ). Further, at the time of X ₁ , all the dipping (about 34 minutes) for the second step of the rice cooker of A performed in the rice washing tank 6 is completed. Therefore, the cooked rice is taken out of the rice cooker of A after the steaming process is completed, and A becomes empty.
The rice, which has been soaked in the rice washing tank 6, is supplied to the rice cooker after water conditioning (about 1 minute). Then, the rice is cooked in the rice cooker A (for about 20 minutes), and after the steaming step for about 15 minutes, all the second steps in the rice cooker for A are completed (at the time of X ₃ ).

Here, after the second rice supply to the A rice cooker at the time of X ₁ , the rice supply device 4 measures the rice for the second process of the B rice cooker ( After washing rice for about 1 minute (about 5 minutes), the process proceeds to the water addition process (about 1 minute) without the waiting process, and the rice is supplied to the rice cooker of B. After that, all the steps (about 34 minutes) necessary for the immersion are performed in the B rice cooker, and after the rice cooking step (about 20 minutes), the steaming step is performed for about 15 minutes, and then the second time in the B rice cooker. the process is complete (the time of X _4). That is, the second step in the B rice cooker is exactly the same as the first step in the A rice cooker described above. Then, in parallel with the second process in the B rice cooker, the third process in the A rice cooker proceeds, and at the time of X ₅ , A
The third process in the rice cooker is completed. The third step in the rice cooker A is the same as the first step in the rice cooker B described above, and the fourth step in the rice cooker A is the first time in the rice cooker A. The process is repeated, and the fourth process of the B rice cooker repeats the first process of the B rice cooker. Therefore, 7 minutes after the first rice cooking is completed (at the time of X ₁ ), the next rice cooking is completed (at the time of X ₂ ) and then 2
After 8 minutes, the next rice cooking is completed (at the time of X ₃ ), and 41 minutes after that, the next rice cooking is further completed (at the time of X ₄ ). After the time point of X ₄ , the same process is repeated in a fixed cycle. And under a certain cycle, the average time to cook using multiple rice cookers is 2
It takes about 5.3 minutes.

[0025]

[Table 1]

Table 1 shows the distribution of the immersion time during the rice cooking process in the two rice cookers A and B. As described above with reference to FIG. 5, in the first step in the A rice cooker, all the steps (34 minutes) required for the immersion are performed in the A rice cooker, and the first step in the B rice cooker is performed. Then, a part of the whole dipping process is performed in the rice washing tank for a predetermined time (21 minutes), and the remaining dipping is performed in the B rice cooker (13 minutes).
Next, in the second step in the rice cooker A, all the steps (34 minutes) required for the immersion are performed in the rice washing tank, and in the second step in the rice cooker B, all the steps required for the immersion are performed. In the rice cooker. Further, in the third step in the rice cooker A, a part of all the steps of dipping is performed in the rice washing tank for a predetermined time (21 minutes), and the remaining dipping is performed in the rice cooker A. (13 minutes). In addition, in the third step in the rice cooker of B, all the steps (34 minutes) necessary for immersion are performed in the rice washing tank.
The fourth dipping process in the rice cooker is the same as the first dipping process in the A rice cooker, and the fourth dipping process in the B rice cooker is the first dipping process in the B rice cooker. Is the same as That is, in the fourth and subsequent immersion steps, the same steps as the first to third immersion steps are repeated, and the immersion time in the rice washing tank and the immersion time in the rice cooker are the same as those in A rice cooker and B cooker. With the rice cooker, the cycle is changed and repeated.

FIG. 6 shows another embodiment of the rice cooking process when the two rice cookers A and B are used, and the dipping time is allocated to the times x and y represented by the following equation. . x + y = z−b (1 formula) (a + 1) (c + x) = z (2 formula) where x is the immersion time in the rice washing tank, y is the immersion time in the rice cooker, and z is 1 Total process time from weighing to completion of steaming in one rice cooker, a is the number of rice cookers to be used, b is the total time of weighing + washing rice + adjusting water, discharging rice + cooking rice + steaming,
c is the total time of weighing + rice washing + water addition / rice removal. Assuming that the quality and quantity of rice are the same as the conditions described in FIG. 5, the total time required for soaking is 34 minutes, so x + y =
34, and b = 4 if the total time for weighing and washing rice is added
2, c = 7. Numerical values (1 formula) and (2 formula)
Substituting into, x≈18 and y≈16.

Based on the above values of x and y, if the immersion time in the rice washing tank is 18 minutes and the immersion time in the rice cooker is 16 minutes, as shown in FIG. In the rice cooker of No. 2 and the rice cooker of No. B, the respective immersion times are distributed at regular intervals. Also, after the first rice cooking is completed (at the time of X ₁ ),
After about 25 minutes, the next cooked rice is completed (at the time of X ₂ ), and about 25 minutes after that, the next cooked rice is completed (at the time of X ₃ ). Therefore, the time for which the rice is cooked using a plurality of rice cookers becomes constant, and the rice cooking work can be performed efficiently.

In this embodiment, both A and B are used.
Although the case of using two rice cookers has been described, of course, if three or more rice cookers are used, the rice cooking efficiency is further increased. Further, the present invention can be variously modified without departing from the spirit of the present invention, and it goes without saying that the present invention extends to the modified one.

[0030]

As described in detail in the above one embodiment of the present invention, a plurality of rice cookers are arranged, and a rice supply device consisting of a rice storage and a rice washing tank can be moved above the rice cooker. Since a certain amount of rice is stored in the rice storage, since then, the steps of weighing rice, washing rice, adjusting water, etc. are automatically performed, and the rice supply device moves. sequentially rice to the rice kettle supplies, can be continuously炊 rice.

By distributing all the steps required for dipping into the time spent in the rice washing tank and the time spent in the rice cooker, the cycle of rice cooking is accelerated, and the rice cooking work is completed.
Efficiency improves. Also, during the completion of rice cooking in the second and subsequent rice cookers.
Since the intervals can be set to be approximately equal, it is easy to manage the rice cooking work.
It

[Brief description of drawings]

FIG. 1 is a partially cutaway front view of a fully automatic rice cooking device of the present invention.

FIG. 2 is a side view of the fully automatic rice cooking device of the present invention.

FIG. 3 is a plan view of a main part taken along the line AA of FIG.

FIG. 4 is a vertical sectional side view of the fully-automatic rice cooker.

FIG. 5 is an explanatory diagram showing an example of a rice cooking process.

FIG. 6 is an explanatory diagram showing another example of the rice cooking process.

[Explanation of symbols]

 3 Rice cooker 4 Rice feeder 5 Rice storage 6 Rice washing tank

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kihachiro Hase, No. 1 Hachikura, Tobe Town, Iyo-gun, Ehime Prefecture, Engineering Department, Iseki Agricultural Machinery Co., Ltd. (72) Kenji Yoshinari, No. 1, Yakura Town, Tobe, Iyo-gun, Ehime Prefecture Company Technology Department (72) Inventor Mitsuhiro Hamasaki 1 Yakura, Tobe-cho, Iyo-gun, Ehime Prefecture Iseki Agricultural Machinery Co., Ltd. (72) Inventor Yoji Fukuda 1 Yakura, Tobe-machi, Iyo-gun, Ehime Prefecture Engineering Department, Iseki Agricultural Machinery Co., Ltd.

Claims (2)

(57) [Claims] 1. A rice storage device and a rice washing tank form a rice supply device, and a plurality of rice cookers are arranged above the rice supply device so that the rice supply device can move laterally. A predetermined amount of rice stored in the rice storage is put into the rice washing tank, the rice is washed in water in the rice washing tank and soaked for a predetermined time, and the soaked rice is supplied to the rice cooker. After soaking the rice for a predetermined time, it is a fully-automatic rice cooker controlled to heat the rice cooker to cook the rice, wherein the time of dipping in the rice washing tank and the time of dipping in the rice cooker are: A fully-automatic rice cooker characterized in that the first rice cooker and the second and subsequent rice cookers are changed in a fixed cycle to cook rice. 2. A rice storage device and a rice washing tank form a rice supply device, and a plurality of rice cookers are arranged above the rice supply device so that the rice supply device can move laterally. A predetermined amount of rice stored in the rice storage is put into the rice washing tank, the rice is washed in water in the rice washing tank and soaked for a predetermined time, and the soaked rice is supplied to the rice cooker. In the fully-automatic rice cooking device, the rice cooker is controlled by heating the rice cooker after the rice is dipped in the rice for a predetermined time .
The entire process from the start of weighing the rice cooker to the completion of steaming
Time divided by the number of rice cookers used plus one
The above-mentioned rice washing tongue should be applied at the same time interval as the value.
A fully-automatic rice cooker characterized by distributing the time of soaking in the rice cooker and the time of soaking in the rice cooker.