JP3531575B2 - Rice washing rice cooker - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rice-washing rice cooker, which facilitates operation by a reservation timer switch. 2. Description of the Related Art Conventionally, there is a reservation timer switch, and when it reaches the time, a switch is made to a rice cooking process. However, if the kettle is not set properly, the reserved rice cooking as scheduled will be a problem. According to the present invention, there is provided a display section 41 for displaying a preset number of reserved kettles, a reservation timer switch 68, and the above-mentioned display when a reserved kettle number setting operation is performed. Part 4 1 displays the kettle number, in the absence of the operation is a structure of the bran rice cooking machine comprising a means for limiting the shift to reservation operation. Operation and effect of the invention Reservation timer setting switch 6
When the reservation timer-setting switch 68 is pressed, when the number of reserved bottles is set, for example, the time of timer reservation is displayed on the display section 41, and the reserved bottle number is displayed. If it is not set, the display shifts to the display of the number of reserved hooks, and the reserved operation cannot be performed unless the number of hooks is set to 1 or more. [0005] A pair of gas cookers 6 are disposed on the bottom of a machine frame 5 on the left and right sides, and rice cookers 3 and 4 are placed on each gas table to cook rice by gas ignition. It has a configuration. The rice cookers 3 and 4 have an outer kettle, an inner kettle 7 fitted in the outer kettle, a kettle lid 8 and the like, and a handle 9 so as to be able to be pulled out together with the gas stand 6 to the front. The attachment / detachment of the inner pots 7 of the rice cookers 3 and 4 is performed at a position where the rice cookers 3 and 4 are pulled out to the front side. Rails 10 and 11 are installed horizontally horizontally on the upper rear side of the machine frame 5, and a moving table 12 having an upper rice tank 1 and a lower rice washing machine 2 is moved by rollers 13 and 14. The rice washer 2 is freely supported, and the rice washer 2 is moved above and opposed to the rice cookers 3 and 4, so that the rice washing supply position can be switched. The rice tank 1 has a measuring device 15 at the lower part. The measuring device 15 is configured to rotate a rotary cylinder having a partially cylindrical shape around a shaft 16 by driving a motor M1 and to pump out the rice in the rice tank 1 while rotating at a constant rate. By detecting the number with the rotation sensor 17, the number is input to a controller CPU having a microcomputer and measured (as capacity or weight). The rice washing machine 2 is provided below the rice tank 1 and, in the center thereof, a stirring rod 19 rotated by a vertical stirring shaft 18 through a worm gear 20 and the like by a rice washing motor M2 on the upper part. And a discharge port 22 that is opened and closed by a discharge valve 21 at the bottom. This discharge valve 21 is integrated with the lower end of a valve shaft 23 that can be inserted along the center of the stirring shaft 18,
Is configured to be vertically moved by a discharge motor M3 via a crank mechanism or the like. The outlet 22 communicates with a drain chamber 25 via a net 24 at the outer periphery, and tap water is supplied from a lower nozzle 27 into the rice washing machine 2 by opening and closing a drain valve 26 in the drain chamber 25. Water and drainage after washing rice. A water supply pipe 28 guided from a water pipe via a flow sensor 73 is provided with a lower nozzle 27 which is opened and closed by a solenoid valve 29 to supply water, and an upper shower 31 which is opened and closed by a solenoid valve 30 to supply water.
And water can be supplied from the upper and lower portions of the rice washer 2 for washing rice and adding and removing water. The drain valve 26 in the drain chamber 25 is opened and closed by a solenoid 32 via a wire 33, a bell crank 34 and the like. A lid 35 is provided on the rice tank 1 so as to be openable and closable so that rice can be supplied and filled. In addition, a rice lower limit sensor 36 is provided below the rice tank 1 for detecting a decrease in rice and prompting the supply of rice with a buzzer or the like. Above the rice washer 2, there is a water upper limit sensor 37 for detecting a full supply of the rice washing water, and more water is discharged outside from the overflow port 38. Reference numeral 39 denotes an inspection lid for opening and closing the outer peripheral portion of the rice washer 2. The moving table 12 has a rice tank 1, a rice washing machine 2, a measuring device 15, a water supply pipe 28, and a measuring motor M1, a rice washing motor M2, and a discharging motor M3.
In addition to the mounting, the moving control can be performed in the lateral direction by driving and rotating the driving roll 13 that rolls on the upper rail 10 with the moving motor M4. In front of the rice tank 1 on the moving table 12, an operation panel 40 is provided.
In 0, various operation switches, an LED display unit, and the like are arranged. The display unit 41 normally displays the time, but if it is desired to return to the time display when the display is other than the time, the switch 42 may be pressed. When the test switch 43 is pressed, various display lamps arranged around the display unit 41, that is, a help number 44 for displaying an operation procedure by a number, a timer being reserved 45, a current time 46, a rice storage amount 47, a cumulative pot The number 48, the planned number of pots 49, and the process display 50 for displaying each process from the supply of rice to the rice tank 1 to the completion of rice cooking, the remaining time, and the like are sequentially displayed. When the weighing switch 51 is pressed, the weighing motor M1 is driven,
The weighing device 15 is rotated once. When the rice washing switch 52 is pressed, the rice washing motor M2 is driven, and the stirring bar 19 is rotated. When the upper water supply switch 53 and the lower water supply switch 54 are pressed, the solenoid valves 30 and 29 are opened to open the rice washing machine 2.
Supply water to the inside. When the water level switch 55 is pressed, drainage is adjusted by opening the drain valve 26 with the output of the solenoid 32 so that the water level in the rice washing machine 2 becomes the water level set by the water control switch 56 from the time when the water upper limit sensor 37 detects. . When the drain switch 57 is pressed, the drain valve 26 is opened by the output of the solenoid 32, and the rice washing drain is drained to the net 2.
4 When the release switch 58 is pressed, the discharge motor M3 is driven to open the drain valve 21. By pressing the reset switch 59, the error display flag on the display unit 41 can be released. The test switch 43 to the reset switch 59 and the like are mainly operated when performing an inspection before starting work. As the setting switches, in addition to the water control switch 56, a rice cooker switch 60 for setting the rice cooker, a washing switch 61 for setting the rice washing method, a dip switch 62 for setting the dipping time, Swirling switch 63 to set, mode switch 6 to set rice cooking mode
4. A rice storage switch 65 or the like for setting the amount of rice supplied into the rice tank 1 can be arranged so that each can be set appropriately before cooking rice. Reference numeral 66 denotes a hook number setting switch for setting the number of hooks, 67 a start switch for starting the weighing operation of the weighing device 15, 68 a timer setting switch for setting a reservation timer, and 69 a display unit. A clear switch for clearing the total number of kettles displayed at 41, a help switch for displaying the fault location by number by pressing the switch when the fault location warned by the error lamp 71, the buzzer 72 or the like is unknown. It is. As shown in the flow chart (FIG. 6), the action steps and the required time of rice washing and rice cooking are measured by the measuring device 15 (t1) → the rice washing by the rice washing device 2 (t2) → from the upper shower 31 in the rice washing device 2. Rice washing part (zari-raising) immersion (t3) by intermittent shower → moving table 12 of rice washing machine 2
Left and right (t4) → water adjustment in rice washer 2 (t5)
→ Draining of rice by opening the drain valve 21 (t6) → Immersion of the rice cooker 3 in the inner pot 7 (t7) → Rice cooking by gas ignition (t8)
→ Steam (Murashi) (t9) → Replace inner pot 7 after cooking rice (t)
Through each process of 10). The rice washer 2 moves left and right R by itself,
In a mode in which rice is washed while switching and supplying rice to the two rice cookers 3 and 4 on the left and right sides, each immersion step t3 to t7 is appropriately set as an immersion time by the setting switch 62, so that each rice washing step T1 = By making t1 to t6 and the rice cooking process T2 = t7 to t10 in each rice cooker 3 continuous, it is possible to perform an efficient operation of the entire rice washing → rice cooking process T = T1 + T2. The time that changes in each process
The immersion process t3 to t7 and the steaming process t9,
The ratio between the rice washing section immersion t3 and the kettle immersion t7 may be changed. The setting of the immersion time by the setting switch 62 may be performed by changing either one of t3 and t7, or both of t3 and t7. The immersion time is calculated by the controller CPU as t3 + t7, and the immersion time t7 after the rice washing is calculated and controlled. The water adjustment t5 is adjusted so that the immersion time matches the set value.
The start of the water adjustment t5 is started by the output of the solenoid valves 29 and 30.
Is detected after the rice-washing process T2 is completed, the rice-washing process is performed after the rice-washing machine 2 is moved onto the rice cooker 3 or 4. That is, the rice cookers 3 and 4 have an inner pot sensor for detecting that an empty inner pot 7 is provided, a lid sensor for detecting the presence or absence of a pot lid 8 on the inner pot 7, and the end of rice cooking. Later, in a state where preparation for dropping rice to the rice cooker 3 or 4 by the rice washer 2 is completed, the rice washer 2 is moved by a movement sensor or the like that detects that the rice washer 2 has moved left and right sideways and stopped.
Is started at the time t5. This water t5
Is completed, the output of the discharge motor M3 causes the discharge valve 21
Is opened, the washed rice is dropped into the rice cooker 3 or 4 together with the adjusted water, and the rice is t6 dropped, and the pot is immersed in the calculated time. When the rice washing is completed early and the rice cooking is delayed, the rice washing section 2 is immersed in the rice washing machine 2 and the drainage drainage in the rice washing machine 2 is performed.
Wait for the start. At this time, the rice in the rice washer 2 is on standby without being subjected to the immersion action. While the operation is stopped, the display 41
When the flow rate is displayed, the lower water supply switch 54 is manually turned ON, and then the help switch 70 is turned ON, whereby the upper shower 31 and the lower nozzle 27 of the rice washing machine 2 are turned on. The flow rate of water supplied from the water supply pipe 28 is detected by the flow rate sensor 73 of the water supply pipe 28,
This flow rate is displayed on the display unit 41. At this time, as shown in FIG. 8A, the current time is displayed when the normal rice washing function is stopped, but the lower water supply switch 54 is turned on as described above, Switch 70 to O
When the N operation is performed, the current time disappears, and the water supply flow rate is displayed as shown in B. In addition to the operation of the flow rate display,
When the help switch 70 is operated alone, a help code is displayed on the display unit 41 as shown at C, and inspection may be performed in accordance with the instructions shown in the help code. In the process in which the rice washing operation is automatically performed during the operation, the time of the rice washing process t2 is set based on the flow rate displayed on the display unit 41 as described above, and the rice washing method and the like are determined. In FIGS. 10 to 12, the flow rate sensor 73 has an impeller rotated by the flow rate of water and the frequency of the pulse output changes according to the flow rate in the form of oscillation by the impeller. It is configured to take in the CPU and measure the flow rate. By operating the washing method switch 61, five steps are set from when the rice is lightly washed to when the rice is carefully washed, and which washing mode is set in advance when washing the rice. When one of the five washing methods is selected by the washing method switch 61, the rice washing motor M2,
The rice washing control is performed by outputting a solenoid valve 30 for upper water supply, a solenoid valve 29 for lower water supply, a solenoid 32 of the drain valve 26, and the like. In each of the five modes of the washing method, the control outputs include a rice washing time, an upper water supply time, a lower water supply time, a drainage time, and the like.
The number of repetitions of rice washing and the like and the time of the whole rice washing process are changed and set for each process such as rice bran removal, polishing rice, rough rinsing, and finish rinsing by overflow, so that rice washing is carried out lightly. -Set memory in 5 steps from mode to elaborate mode-
Let me. In order to clean the inside of the rice washing machine 2, the discharge chamber 74 of the discharge port 22 having the discharge valve 21 as shown in FIG.
It is configured as a cylindrical form, and communication passages 75 and 76 with the discharge chamber 25 on one side are set tangentially to the discharge chamber 74, and the pair of left and right drain valves 26 and the water level valve 77 are connected to each other. The communication passages 75 and 76 face the drain chamber 25 end so as to open and close. The lower nozzle 27 of the lower water supply pipe 28 extends into the communication passage 75. The water level valve 77 is opened and closed via a solenoid 78 and a wire 79 in the same manner as the drain valve 26. However, when lower water is supplied from the lower nozzle 27, the communication passage 75 is closed. To the discharge chamber 74 side.
In addition, when draining after washing the rice, it is controlled to open together with the drain valve 26. After rice washing is completed, drain valve 2 for rice and water
Immediately after dropping by opening of 1, drain valve 2
6, and the water level valve 77 is closed (FIG. 13, FIG. 1).
4) By opening the upper water supply valve 30 and supplying water from the upper shower 31, it is possible to wash out bran, dust and the like adhering to the rice washer 2.
6 is opened and water is supplied from the lower nozzle 27, the lower water flows vigorously and vortexly from the communication passage 75 into the discharge chamber 74, and the washing water is supplied to the opposite communication passage 7 on the opposite side.
Since the water is drained from 6 to the drain chamber 25, effective cleaning can be performed. FIGS. 15 to 18 show the control of the reservation operation for washing rice and cooking rice, in which the reservation operation is performed by the operation of the scheduled pot number setting switch 66 and the reservation timer-setting switch 68. is there. In the normal timer reservation operation, as shown in FIG. 16 and FIG. Subsequently, the ON time of the reservation timer-setting switch 68 indicates the rice washing start time on the display unit 41.
To be displayed. Also, at this time, the scheduled operation time is always stored as a backup in the controller CPU, and therefore, when the power is turned off and set again, the time is displayed. Therefore, it is not necessary to perform the adjusting operation with the hour and minute switches every time a reservation is made. Next, in FIG. 16 and FIG.
The case where the reservation switch operation is performed after the setting switch 68 is first pressed is shown. When the reservation timer-setting switch 68 is pressed, the timer reservation time is displayed on the display section 41 when the number of reserved pots is set. When the number of reserved hooks is 0, the display shifts to the display of reserved number of hooks, and reserved operation cannot be performed unless the number of reserved hooks is set to 1 or more, thereby preventing a mistake in reserved operation of 0 hooks. As described above, the reservation operation can be performed only by the reservation timer-setting switch 68 without operating the scheduled pot number setting switch 66 in the normal timer-reservation operation.

[Brief description of the drawings] FIG. 1 is a front view of an operation panel. FIG. 2 is a side view of a rice washing section. FIG. 3 is a plan view thereof. FIG. 4 is an overall front view. FIG. 5 is a side view thereof. FIG. 6 is a time chart of rice washing and rice cooking control. FIG. 7 is a partial block diagram of control. FIG. 8 is an operation diagram showing the operation of the display unit. FIG. 9 is a flowchart thereof. FIG. 10 is a front view of the flow sensor. FIG. 11 is an output diagram of a flow sensor. FIG. 12 is an output diagram of a flow sensor. FIG. 13 is a plan sectional view of a rice washing discharge section. FIG. 14 is a time chart of cleaning control. FIG. 15 is a block diagram of a reservation timer-control unit. FIG. 16 is a flowchart of a reservation timer control. FIG. 17 is a display operation diagram of the display unit. FIG. 18 is a display operation diagram of the display unit. [Explanation of symbols] 2 rice washer 27 Lower nozzle 28 Water supply pipe 29 Lower water supply valve 41 Display 54 Lower water supply switch 68 Reserved timer switch 70 Help switch 73 Flow sensor

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) A47J 27/00 109 B02B 1/06 A47J 27/14

Claims (1)

(57) [Claims 1] A display section 41 for displaying a preset number of reserved pots is provided, a reservation timer switch 68 is provided, and the display section 4 is displayed when a reserved pot number setting operation is performed. display kettle number of its <br/> to 1, to reservation operation in the absence of the operation
A rice-washing rice cooker provided with means for restricting migration .