JPH0960U - Commercial rice cooker - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To prevent double rice discharging by discharging rice and cooking rice after confirming the setting of the outer pot to the rice cooking position and the setting of the inner pot to this outer pot. SOLUTION: A first set sensor for confirming whether or not the outer pot 54 is set is provided, and a second set sensor 58 for confirming whether or not the inner pot 55 is set is provided on the outer pot 54. Remove rice from 5 and cook.

Description

[Detailed description of the device]

[0001]

[Technical field to which the invention belongs]

 INDUSTRIAL APPLICABILITY The present invention relates to a commercial rice cooker and is used to cook large amounts of rice in restaurants, sushiya chain stores, etc.

[0002]

[Prior art]

 A commercial rice cooker equipped with a rice washing unit for washing rice and a rice cooking unit for cooking the rice discharged from the rice washing unit, which automatically performs processes from rice storage to weighing rice and water, washing rice, preparing rice, and cooking rice. Are publicly known, and are provided, for example, in Japanese Patent Publication No. 2-36251 (conventional example 1) and Japanese Patent Publication No. 59-34226 (conventional example 2).

[0003]

[Problems to be solved by the device]

 The conventional example 1 includes a rice bin, a rice and water metering device, a rice washing device, and a rice cooker. The rice cooker is detachably stored in a drawer having a lock device and the lock device is also provided. Is operated during the rice preparation operation so that the drawer containing the rice cooker can be locked when measuring rice, washing rice, and charging rice and water into the rice cooker. This prevents accidental removal of the pan or rice cooker while the rice cooker is in operation.

However, in this conventional example 1, it is not possible to confirm whether or not the rice cooker is set at the rice cooking position, and therefore, the rice cooker is not set at the rice cooking position (forgetting the set). At times, there was a risk of rice being discharged. Further, the conventional example 2 has a rice cooker and a cradle for accommodating the rice cooker in the main body, and a rice cooker weight detection device is provided in this cradle to prevent so-called double rice discharge. It was a thing.

However, if the weight of the rice cooker is detected as a so-called empty bowl weight (a state in which rice and water are not added), the amount of rice cooked (the amount of rice and water) changes (one bowl, Since it is cooked twice, there is a risk that detection fluctuations may occur if these weight fluctuations occur. Some rice cookers have an inner pot that can be freely inserted into and removed from the outer pot. For commercial use, several inner pots should be easy to use, and cooked rice should be placed in the inner pot and transported to a yard etc. It is necessary to set an empty inner pot (spare pot) to eliminate the time lag for cooking rice, and it is necessary to confirm the presence or absence of this inner pot, but in both the conventional examples 1 and 2, this confirmation has been made. First, there was a risk of rice being discharged to the outer pot.

Therefore, the present invention confirms whether or not the outer pot is set at the rice cooking position, and further confirms that the inner pot is inserted into or removed from the outer pot at the rice cooking position, thereby malfunctioning or erroneous operation. This is to provide a commercial rice cooker that can be used for large-scale rice cookers.

[0007]

[Means for Solving the Problems]

 The present invention comprises a rice washing section 5 for washing rice, and a rice cooking section 7 for the rice discharged from the rice washing section 5, the rice cooking section 7 being an outer pot 54 and an inner pot which can be inserted into and removed from the outer pot 54. In order to achieve the above-mentioned object, the following technical means are taken in the commercial rice cooker equipped with 55.

That is, the present invention is provided with a first set sensor 59 for confirming whether or not the outer pot 54 is set at the rice cooking position, and whether the inner pot 55 is set to the outer pot 54 set at the rice cooking position. A second set sensor 58 for confirming whether or not it is provided is provided, and the rice discharged from the rice washing section 5 is cooked after being confirmed by the first and second set sensors 59, 58. By adopting such a configuration, it is possible to prevent double rice discharging and reliably eliminate erroneous operation, and even when the amount of cooked rice varies, the steps from washing rice to cooking rice can be reliably performed. It has arrived.

Further, according to the present invention, the rice washing unit 5 is provided with a rice discharge valve 34 that opens and closes by a vertical movement at a lower portion thereof, and the outer pot 54 is provided on a placing table 53 which can be freely moved in and out in a horizontal direction. It is characterized in that when the table 53 is pushed in and the outer pot 54 is directly below the rice discharging valve 34, the set of the rice cooking position is used. By adopting such a configuration, After the rice is cooked, the placing table 53 is pulled out, the outer pot 54 is left on the placing table 53, the inner pot 55 is taken out, the empty inner pot 55 is set in the outer pot 54, and then the placing stage 53 is pushed in to discharge the rice. It is possible to move to the rice discharging process by arranging it directly under the coaxial position of 34, and it is possible to efficiently cook a large amount of rice by reducing the time lag.

[0010]

[Embodiment of the invention]

 An embodiment of the present invention will be described below with reference to the drawings. In FIGS. 3 and 4 showing the overall configuration of the rice cooker for business use, the rice cooker has a main body frame 1, a caster 2 is provided below the frame 1, and the rice cooker is movable.

Inside the frame 1, a rice storing section 3 for storing rice, a weighing section 4 for discharging a predetermined amount of rice from the rice storing section 3, and a rice washing section 5 for washing the rice discharged from the weighing section 4 A rice discharging unit 6 that discharges the rice of the rice washing unit 5, a rice cooking unit 7 that cooks the rice discharged from the rice discharging unit 6, and a control unit 8 that controls the operation of each unit described above are formed. ing. As shown in FIGS. 5 and 6, the rice storage unit 3 has a funnel-shaped rice storage 9, and the rice storage 9 has an upper opening. A rice storage sensor 10 for detecting the amount of rice in the storage is provided. Inside the rice storage 9, a sieve member 11 is provided detachably (removably) for preventing the rice from flowing down but preventing foreign matters from flowing down. An auxiliary tank 12 for increasing the amount of stored rice can be detachably attached to the upper part of the rice storage 9.

Further, a canopy is openably and closably provided at the upper opening of the rice storage 9 or the auxiliary tank 12. Further, the weighing unit 4 is integrally provided at the bottom of the rice storage 9. The weighing unit 4 includes a cutting means 13 that discharges a predetermined amount of rice in one rotation, a weighing motor 14 that rotationally drives the cutting means 13, and a weighing count sensor 15 that detects the rotation amount of the cutting means 13. Have.

The rice storage unit 3 and the weighing unit 4 are detachable upward from the frame 1. Further, in FIG. 1 to FIG. 5, the rice washing unit 5 has a rice washing tank 16 disposed below the weighing unit 4 and storing rice discharged from the cutting means 13. In the rice washing tank 16, an upper end opening flange is attached to a partition plate 81 which is partitioned in the upper part of the main body frame 1 in the vertical direction, and the partition plate 81 defines a space 1A in the upper part of the main body frame 1. Has been formed.

A transparent cleaning window 17A is provided on the front of the rice washing tank 16 so as to be openable and closable. Inside the rice washing tank 16, a stirring means 17 for stirring the rice inside and the rice and water is rotatably provided. The stirring means 17 is rotationally driven by a rice washing motor 18 housed in the space 1A. A rice washing rotation sensor 19 for detecting the rotation of the rice washing motor 18 is provided.

The rice washing section 5 is provided with a water supply device 20 for supplying water to the rice washing tank 16. This water supply device 20 has a main pipe 21 connected to a water pipe, a shower supply pipe 22 for branching from the main pipe 21 to sprinkle water from the upper part of the rice washing tank 16, and a water supply from the lower part of the rice washing tank 16. And an overflow supply pipe 23 of The main pipe 21 is provided with a flow rate sensor 24 for detecting the amount of water flowing in the main pipe 21. The shower supply pipe 22 is provided with a shower solenoid valve 25 for opening and closing the pipe 22, and the overflow supply pipe 23 is provided with an overflow solenoid valve 26 for opening and closing the pipe 23. It is provided in the space 1A.

The rice washing section 5 is provided with a drainage device 27 for draining the water in the rice washing tank 16. The drainage device 27 includes a lower drain pipe 28 connected to the lower portion of the tank 16 for draining the water in the tank 16 from the lower portion of the rice washing tank 16, and water in the tank 16 from the upper portion of the rice washing tank 16. And an overflow drain pipe 29 connected to the upper part of the tank for draining. An opening / closing valve 30 is provided in the lower drain pipe 28, and the opening / closing valve 30 is normally open and is driven to be closed by a drain motor 31 housed in the space 1A composed of a solenoid motor. The opening / closing valve 30 is provided with a confirmation sensor 32 for confirming the opening / closing of the valve 30. The rice washing tank 16 is provided with a water level limit sensor 33 for detecting the water level in the tank.

As shown in FIGS. 1 and 7, the rice discharging unit 6 opens and closes the rice discharging valve 34 that opens and closes an opening provided in the lower part of the rice discharging tank 16 in an openable and closable manner. And an opening / closing device 35 for The opening / closing device 35 swings a rod 36 that penetrates through the central portion of the stirring means 17, a link 37 that engages with the upper end portion of the rod 36 and swings, and the link 37. And a rice discharging motor 38, and the rice discharging valve 34 is attached to the lower end of the rod 36. The opening / closing device 35 is provided with a rice discharge home sensor 39 that detects that the rice discharge valve 34 is closed and a rice discharge lower sensor 40 that detects that the rice discharge valve 34 is open. Equipment is also stored in space 1A.

The rice cooker 7 includes a rice cooker lid device 41 arranged below the rice discharge valve 34, and a rice cooker body device 42 into which the lid device 41 is fitted. As shown in FIGS. 3 to 6, the rice cooker lid device 41 includes an opening / closing operation lever 43 swingably provided on the main body frame 1 and a vertical movement connected to the opening / closing operation lever 43 via a link 44. It has a free lid 45. As shown in FIG. 8, a shutter 47 having an opening 46 in the central portion of the lid 45 and allowing the opening 46 to be opened and closed is slidably provided on the upper surface side of the lid 45. There is. The shutter 47 is opened and closed by a pinion 49 driven by a shutter motor 48 and a rack 50 meshing with the pinion 49. The lid 45 is provided with a shutter open sensor 51 for detecting opening / closing of the shutter 47 and a shutter close sensor 52.

The rice cooker main body device 42 includes a mounting table 53 that can be inserted and removed in the horizontal direction with respect to the main body frame 1, an outer pot 54 mounted on the mounting table 53, and an insertion / removal inside the outer pot 54. It has an inner hook 55 freely inserted. The outer pot 54 is provided with an ignition lever 56 for igniting a gas burner, a rice cooker lever sensor 57 for detecting gas ignition, and an inner pot confirmation sensor 58 for confirming that the inner pot 55 is inserted. Has been. A rail set sensor 59 that detects that the outer pot 54 on the mounting table 53 is set at the rice cooking position is provided on the main body frame 1 side.

That is, the rice cooking position is when the placing table 53 is pushed into the inner part in the horizontal direction and the outer pot 54 on the table 53 is positioned directly below the rice discharge valve 34 coaxially. It is confirmed and detected by a certain first sensor 59, and whether or not the inner pot 55 is inserted into the outer pot 54 is confirmed by the second sensor 58 which is the inner pot confirmation sensor 58. When the two sensors 58 and 59 both send confirmation signals, the rice discharge valve 34 is opened, a predetermined amount of washed rice is put into the inner pot 55, water is added and adjusted, and the dipping process is performed as necessary. After that, the ignition lever 56 is ignited to shift to the rice cooking process.

After finishing the rice cooking, if necessary, after a steaming process, the placing table 53 is pulled out in the horizontal direction, and the inner pot 55 having the cooked rice is taken out from the outer pot 54 on the stand 53 to prepare a kitchen or the like. And then use this time zone to wash rice for the next rice cooking in the rice washing section 5, set a spare inner pot 55 on the outer pot 54, and then push in the mounting table 53 to remove the outer pot 54. The next rice removal and the like is performed by arranging the rice directly below the rice discharge valve 34.

Further, the rice cooking unit 7 is disposed below the rice washing unit 5 and is exposed to the outside. However, the rice washing motor 18, the drainage motor 31, the drainage motor 38, various sensors, and other devices are separated by a partition plate. It is housed in the space 1A partitioned by 81, and the heat transfer from the rice cooker 7 is blocked by the partition plate 81. Further, as shown in FIGS. 1 and 2, an exhaust fan device 82 is provided in the space 1A, and the exhaust fan device 82 is provided with an exhaust fan 82B which is rotationally driven by a motor 82A. The fan 82B is provided with an exhaust casing 82E for rotating from the intake port 82C to the exhaust port 82D by rotation in the direction of arrow a in FIG. 1. The exhaust port 82D has an exhaust port 81A of a partition plate 81 having a filter 81B such as a wire mesh. Is relative to.

Further, the exhaust port 81A is formed downward as shown in FIG. 1 at a position where the rising steam B from the rice cooking section 7 is scattered by the exhaust flow A, and the exhaust flow A is used as a shutter motor. It blows out to the equipment illustrated by 48. Therefore, while cooking rice, the heat from the rice cooking section 7 is temporarily blocked by the partition plate 81, and the rising steam B generated is little invaded into the space 1A, but the exhausted or ventilated steam will be exhausted by the exhaust fan 82B. The ascending vapor B 2 is dispersed at the same time as the exhaust flow A indicated by the arrow and is used for cooling the shutter motor 48 and the like. The exhaust fan device may be provided separately for vapor diffusion and for cooling the motor 48. 1 and 3, reference numeral 83 is a main switch.

[0024]

[Effect of the invention]

 As described above in detail, according to the present invention, the rice is discharged and cooked with rice by the double sensor detection of the confirmation of the rice cooking position of the outer pot and the confirmation of the insertion of the inner pot into the outer pot. It is practically profitable for business use that can block and cook large amounts of rice.

[Brief description of drawings]

FIG. 1 is a partially cutaway side view of an embodiment of the present invention.

FIG. 2 is a plan view of the same main part.

FIG. 3 is a front (front) view showing the entire rice cooking device.

FIG. 4 is a side view showing the entire rice cooking device.

FIG. 5 is a conceptual diagram of the inside of the rice cooker.

FIG. 6 is a conceptual diagram of the inside of the rice cooker.

FIG. 7 is a conceptual diagram of a rice washing unit.

FIG. 8 is a conceptual plan view of a shutter portion.

[Explanation of symbols]

 5 Rice Washing Section 7 Rice Cooking Section 54 Outer Cooker 55 Inner Cooker 58 Second Set Sensor 59 First Set Sensor

Front page continued (72) Inventor Nobuhide Yanagawa 64 Ishizukitamachi, Sakai City, Osaka Prefecture Kubota Sakai Factory (72) Inventor, Mitsuaki Nakajima 90, Mizusawa, Higashi Osaka City, Osaka Prefecture Yamato Seiko Co., Ltd. 72) Creator Sadao Fukushima 90 Mizusawa, Higashi-Osaka City, Osaka Prefecture Yamato Seiko Co., Ltd.

Claims (2)

[Utility model registration claims] 1. A rice washing section (5) for washing rice, and a rice cooking section (7) for the rice discharged from the rice washing section (5), wherein the rice cooking section (7) comprises an outer pot (54). In a commercial rice cooker having an inner pot (55) which can be inserted into and removed from the outer pot (54), a first set sensor (59) for confirming whether or not the outer pot (54) is set to the rice cooking position. And a second set sensor (58) for checking whether or not the inner pot (55) is set to the outer pot (54) set at the rice cooking position,
A rice cooker for business use, characterized in that the rice discharged from the rice washing section (5) is cooked after being confirmed by the first and second set sensors (59) (58). 2. The rice washing section (5) is provided with a rice discharge valve (34) which opens and closes by a vertical movement at a lower portion thereof, and the outer pot (54) is provided on a placing table (53) which can be freely moved in and out in a horizontal direction. The cooked rice for business use according to claim 1, characterized in that the rice cooker is set when the placing table (53) is pushed in and the outer pot (54) is immediately below the rice discharge valve (34) coaxially. apparatus.