JPH09206007A - Cooking of rice for business use and apparatus therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To finish desired cooked rice in a business with a specific apparatus in spite of the kind of the rice when cooking a large amount of the rice in a restaurant or a chain store of a Sushi shop, etc. SOLUTION: This method for cooking rice for business use comprises washing weighed rice in a rice washing tank 10, adjusting the quantity of water, charging the resultant rice into a vessel 24 of a rice cooker 22 and then cooking the rice. In the process, either of a finishing step A for closing a rice charging valve 12, keeping the rice in a wet state of drained water in the rice washing tank 10 in the closed state of the rice charging valve 12 and absorbing water in the rice and a dipping step B for feeding the water and absorbing the water in the rice in a state thereof sunk in the water in the rice washing tank 10 after completing the rice washing can be carried out and a water absorption selecting means (a selection button 40) therefor is installed. Furthermore, the apparatus is capable of opening the water charging valve 12 after completing either of the steps A and B, then charging the rice into the inner vessel 24 while adjusting the quantity of water.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a commercial rice cooking method and device, and is used for large-scale rice cooking in restaurants, sushi restaurants, chain stores and the like.

[0002]

2. Description of the Related Art Conventional commercial rice cookers used for large-scale rice cookers are used for weighing, washing rice, raising colanders, adding and removing water, removing rice, and soaking.
The rice cooking and rice drying processes are programmed to continuously cook rice, and are proposed in, for example, Japanese Patent Application Laid-Open No. 4-218115, etc., which contributes to labor saving of kitchen appliances.

[0003]

In the conventional rice cooking method, even if the type of rice, the type of industry, etc. are different, it is always necessary to carry out the water absorption by the straining process in the rice washing tank and the dipping process in the inner pot after discharging the rice. I was going through. But the type of rice,
In some industries, when the hardness of rice is required and the water absorption of rice is unique, it is difficult to cook the rice as desired because the quality of the rice (mainly hard and soft) varies.

Further, since the dipping process is conventionally performed exclusively in the inner pot, the utilization rate of the inner pot is low, which has been an obstacle to large-scale rice cooking. Therefore, the present invention ensures proper water absorption by selecting either a straining process or a soaking process depending on the type of rice, type of industry, etc. Moreover, by performing the water absorption in the washing rice tank, the inner pot is operated. It is an object of the present invention to provide a method and an apparatus that can improve the rate and can cook large quantities of rice.

[0005]

SUMMARY OF THE INVENTION The present invention relates to a commercial rice-cooking method in which measured rice is washed in the rice-washing tank 10, the water is added to the pot 24 of the rice cooker 22 to discharge the rice, and then the rice is cooked. In order to achieve the purpose of, the following technical measures are taken. That is, the rice cooking method of the present invention, the type of rice,
The present invention is characterized in that after rice is washed, rice is discharged after selecting either the raising process A or the soaking process B in the rice washing tank 10 depending on the type of industry and the like. The tank 10 is provided with water absorption selection means 39 for selecting either the straining step A or the soaking step B. By adopting such a configuration, the type of rice, the type of industry (For example, a restaurant and a sushi restaurant, a Chinese restaurant and a Japanese restaurant) can select either the colanding process or the soaking process to properly absorb water with respect to rice and cook rice as desired.

Here, the colander raising process is the rice washing tank 1
After washing rice with 0, water is once drained (discharged) to make it wet and absorb water. The soaking step means washing rice in the washing tank 10 and then supplying water to soak the rice in water. It means that water is absorbed in a state, and usually, the colander step is advantageous when making hard rice, and the dipping step is advantageous when making soft rice.

Further, the inner pot 24 which receives the rice in a state of being watered by selecting either straining or soaking may be cooked by a rice cooker 22 arranged directly under the rice washing tank 10 or separately. Inner pot 2 in the installed multi-stage rice cooker
4 may be conveyed and cooked.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, an embodiment of the present invention will be described with reference to the drawings. In FIG. 1 and FIG. 2, a commercial rice cooker 1 according to the present invention comprises a rice storing section 2 and a rice washing section 3. The rice cooking unit 4 is mainly configured, and in the present embodiment, they are arranged in the vertical direction (vertical direction) in the above order.

The rice storage unit 2 is provided with a hollow drum-shaped weighing body 7 driven (rotated) by a motor 6 under a funnel-shaped rice storage tank 5 so that weighed rice can be introduced into the rice washing unit 3. In addition, a power switch 8 and a control unit 9 shown in FIG. 3 are provided on the front surface (front surface) of the rice storage unit 2. The rice washing unit 3 includes a vertically oriented funnel-shaped rice washing tank 10, a rice discharging valve 12 having a conical shape shown in the drawings that opens and closes a rice discharging port 11 formed at a lower portion of the tank 10, and a rice washing tank 10. And a stirring body 13 which is arranged at the vertical center of the stirring shaft and is rotated about the vertical axis by a motor (not shown). The stirring body 13 has its supporting shaft as a cylindrical shaft, and the stirring shaft is discharged to this cylindrical shaft. A valve stem 14 for supporting the rice valve 12 and for moving it up and down is inserted.

A cylindrical drainage jacket 15 is provided in the lower portion of the rice washing tank 10, and inside the drainage jacket 15, as shown in FIG.
6 is inserted, and a rice discharge port 11 is substantially formed at the bottom of the drainage jacket 15, and the rice discharge port 11 can be opened and closed via a rice discharge valve 12 and a sealing material 17. Further, a water supply nozzle 18 is provided on the upper portion of the rice washing tank 10,
The nozzle 18 is connected to a pressure source (water supply) via an on-off valve 19 with a flow meter, and a drain elbow 20 is connected to the drain jacket 15.

In the rice cooker 4, a rice cooker 22 such as electricity or gas is detachably mounted on a pedestal 21 which can be taken out and put in a horizontal direction, and the rice cooker 22 is attached to an outer pot 23 and this outer pot 23. It is composed of an inner pot 24 that can be freely inserted and removed, and a lid 25. In the present embodiment, rice is received and cooked with the rice cooker 22 arranged immediately below the rice washing tank 10.
After cooking rice, it can be moved horizontally via the gantry 21.

In this embodiment, a rice receiving port 25A is opened in the lid 25 as shown in FIG. 2B, and the rice receiving port 25A engages a rack 28 with a pinion 27 activated by a motor 26. The shutter 30 is slidably guided by the slide guide 29 so that it can be opened and closed. The rice cooker 22 may be allowed to move in and out via the gantry 21 together with the lid 25, but in the present embodiment, the lid 25 is provided with the shutter 30 so that the lid 25 can be moved up and down.

The lid elevating means 31 is capable of elevating and lowering the lid 25 via a pair of left and right link arms 33 by operating the opening / closing lever 32 up and down. Upon this elevating and lowering, a pair of left and right vertical bars 34 projecting from the lid 25 are guided by a guide plate 35. It is slidable in the vertical direction by being inserted into. The control unit 9 includes an operation panel 36, a microcomputer device housed inside the panel 36, a high-power control device, and the like.

The details of the operation panel 36 are shown in FIG. Push buttons 37, 38, 39, 40 and 41 for "reserve", "immediate", "start", "select" and "cancel" are provided in a row in the upper part of the operation panel 36. A time / flow rate display section 42 is provided next to the push button row. Below the push button row,
A process position display section 43 that displays each step is provided. The display unit 43 is configured to display a process in process shown in the drawing by lighting or blinking a green lamp 43A. Furthermore, next to the display section 43,
A "start / stop" push button 44 is located.
Above the push button 44, a time display unit 45 for waiting for the raising of the strainer and for waiting for soaking is provided, and below the push button 44, a time display unit 46 for providing the unevenness is provided.

Below the time / flow rate display section 42, a check position display section 47 is provided. The display unit 47 displays an error or trouble in each step described in the drawing by lighting or blinking a red lamp. A graphic display unit 48 is provided between the process position display unit 43 and the check position display unit 47. The whole shape of the rice cooker is drawn on the graphic display unit 48, and a lamp 48A is provided at a position corresponding to the process position and the check position, and the lamp is operated by the process position display unit 43. When the check position display section 47 is in operation, the lamp at the corresponding position lights up or blinks in green, and the lamp in the corresponding position lights up or blinks in red.

At the bottom of the operation panel 36, a "rice cooking amount" selection button 49, a "hardness" selection button 50 for adjusting the amount of cooking, and a "washing method" selection button for selecting the degree of rice washing. 51, "Automatic rice cooking" that performs all the processes from weighing to cooking, "Preparing rice" to raise or soak the rice until it is washed, and "Rice washing" to perform the process before ignition The “mode” selection buttons 52 for selecting are arranged in a horizontal row.

Further, a "timer set" button 53, a "maintenance" button 54, a "time and reservation set" button 55, and a "total amount of cooked rice" are provided below the selection button row.
The display / clear buttons 56 are arranged in a horizontal row. The selection button (selection means) 40 is for selecting either the steeping process A soaking step A or the steeping process B depending on the type of rice, the type of industry, etc. after washing the rice.
After draining the rice, drain the water from the rice washing tank 10 and
2 is to wait for the rice in a closed state in a wet state so that the rice absorbs water. On the other hand, in the soaking step B, the rice discharging valve 1
2 is closed and water is supplied to the rice in a submerged state, both of which are performed in the rice washing tank 10. When either of the steps A and B is completed, the rice discharge valve 12 is opened. The rice is discharged to the inner pot 24 while adjusting the water content.

Referring to FIG. 4, an opening / closing means by a valve element 57 is disclosed in place of the opening / closing of the rice receiving opening 25A by the shutter 30 described above. In FIG. 4, the valve body 57 is biased by the coil spring 58 from below to the rice receiving port 25A to the valve rod 14 below the rice discharge valve 12.
When the rice discharge valve 12 is closed, the valve body 57 can seal and cook rice in the rice receiving port 25A, and the rice discharging valve 12 is lowered to pass through the rice receiving port 25A. When rice is fed into the inner pot or water is added or removed, the rice is dropped together with the rice discharge valve 12 as shown by the phantom line in FIG.
Since the rice receiving port 25A is opened and closed by using the operation of the rice discharging valve 12, the cost can be reduced as compared with the shutter 30.

Even in the case of the configuration shown in FIG. 4, the lid 25 can be lifted or lowered by the above-described lid lifting means 31 even if the valve body 57 is present.

[0020]

As described above in detail, according to the present invention, the cooked rice can be cooked as desired even if the type of rice and the type of industry are different.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention, (A) is an overall side view, and (B) is a flow chart.

FIG. 2 shows an embodiment of the present invention, (A) is an overall front view, and (B) is a plan view of a shutter portion.

FIG. 3 is a detailed view of a control unit.

FIG. 4 is a cross-sectional view showing another example of a shutter portion.

[Explanation of symbols]

 1 rice cooker 10 rice washing tank 22 rice cooker 24 inner pot

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Nobuhide Yanagawa 64 Ishizukita-machi, Sakai City, Osaka Prefecture Kubota Sakai Factory Co., Ltd. No. Yamato Seiko Co., Ltd. (72) Inventor Osamu Tanabe 2-2-2, Mizusawa, Higashi-Osaka City, Osaka Prefecture Daiwa Seiko Co., Ltd.

Claims (2)

[Claims] 1. Washing the measured rice in a rice washing tank (10), adding water to the pot (24) of the rice cooker (22), and discharging the rice.
In the commercial rice-cooking method in which rice is then cooked, the rice-washing tank (1
0) A commercial rice cooking method, characterized in that the rice is removed after selecting either the raising process (A) or the soaking process (B) in 0). 2. Washing the measured rice in the rice washing tank (10), adding water to the pot (24) of the rice cooker (22), and discharging the rice.
A commercial rice cooker for cooking rice after that is equipped with a water absorption selection means (39) for selecting either the straining step (A) or the dipping step (B) in the rice washing tank (10) after the washing is completed. Rice cooker for business characterized by.