JP2016215178A - Rice washer for rice cooking - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a rice washer for rice cooking, which performs automatically rice supply and rice washing, and then supplies rice to a rice cooking kettle, in which water for water supply to a rice washing tank and discharge, can be surely managed, and washed rice is put into the rice cooking kettle preferably after the rice is washed.SOLUTION: There is provided a rice washer for rice cooking in which, water is supplied to a rice washing tank (3) from an upper water supply pipe (29), and water is discharged from the rice washing tank (3) by opening a drain valve (44) of a drainage box (39) disposed on a bottom part of the rice washing tank (3). Opening/closing drive bodies (32),(43),(53) for opening and closing the drain valve (44) comprise opening/closing sensors (53a),(53b), and a detection result of the opening/closing sensors (53a),(53b) is displayed on a liquid crystal display screen (72) of an operation panel (11) in the structure of the rice washer for rice cooking.SELECTED DRAWING: Figure 7

Description

  The present invention relates to a rice-washing machine for rice cooking that prepares rice by washing from washing rice to adding water.

  Japanese Patent Application Laid-Open No. 2012-240016 as a rice-washing machine for rice cooking, a series of automatic processes for receiving a required amount of rice in a rice-washing tank, washing and draining water after stirring, and supplying the washed rice to a rice-cooker provided below 2. Description of the Related Art A rice washing machine for cooking rice that prepares for cooking by performing control is known.

JP2012-240016A

  In the above rice washing machine for rice cooking, the water for washing the rice is automatically supplied and drained, but the amount of rice water supplied to the rice cooker becomes insufficient or excessive due to the failure of the drain valve. Inappropriate cooking rice may be bad.

  The present invention provides a rice-washing machine that automatically feeds and cleans rice and supplies it to a rice cooker, and reliably manages the water supplied to and drained into the rice-washing tank and allows the rice-washed rice to be introduced into the rice cooker satisfactorily. The challenge is to make it.

  The problems of the present invention are solved by the following technical means.

  The invention according to claim 1 is a rice washing machine for rice cooking in which water is supplied from the upper water supply pipe 29 to the rice washing tank 3 and drained from the rice washing tank 3 by opening the drain valve 44 of the drainage box 39 provided at the bottom of the rice washing tank 3. Open / close sensors 53a and 53b are provided in the open / close drive bodies 32, 43 and 53 for opening and closing the drain valve 44, and the detection results of the open / close sensors 53a and 53b are displayed on the liquid crystal display screen 72 of the operation panel 11. And a rice washing machine for cooking rice.

  According to the second aspect of the present invention, in the rice washing machine for supplying water to the rice washing tank 3 from the upper water supply pipe 29 by driving the water supply pump 26a, water is supplied to the maintenance screen M for maintaining the liquid crystal display screen 72 of the rice washing machine for rice cooking. It is set as the rice-washing machine for rice cooking characterized by providing pump control switch 26SW1 and 26SW2 which turn on and off the pump 26a.

  In the rice washing machine for rice cooking in which the stirring blade 17 is provided in the rice washing tank 3, the stirring blade 17 in the rice washing tank 3 is disposed when the washing rice is put into the rice cooking pot 6 from the rice washing tank 3. The rice-washing machine for rice cooking according to claim 1, wherein the rice-washing machine is driven.

  In the invention according to claim 1, the opening and closing of the drain valve 44 of the drain box 39 provided at the bottom of the rice washing tank 3 is displayed on the liquid crystal display screen 72 of the operation panel 11, and water supply and drainage are reliably performed. I can confirm.

  According to the second aspect of the present invention, the on / off operation of the water supply pump 26 for supplying water to the rice washing tank 3 can be reliably and easily performed by the pump control switches 26SW1 and 26SW2 displayed on the maintenance screen M of the liquid crystal display screen 72. It can be done well.

  According to the third aspect of the present invention, when the washed rice is put into the rice cooker 6 from the rice washing tank 3, the stirring blade 17 is driven, so that it is possible to reliably prevent rice from remaining in the rice washing tank 3.

The front view of the rice-washing rice cooker which shows embodiment of this invention Side view of a rice-washing rice cooker Longitudinal side view of rice washing tank Perspective view of stirring blade Top view of water supply unit A sketch of the state (a) and the open state (b) of the operation panel lid of the rice-washing rice cooker Control system block diagram Washing rice control flowchart Water absorption characteristics Timing chart of drainage before water adjustment Timing chart when draining Watering selection screen (a) and time setting screen (b) Side view (a) and plan view (b) showing internal configuration of another configuration example Perspective view of the first embodiment showing the upper part of the rice washing tank Perspective view of the second embodiment showing the upper part of the rice washing tank Perspective view showing lid of rice cooker The perspective view of the Example which provides a metal-mesh in the rice-washing tank Partial enlarged side view of another embodiment Enlarged side sectional view of the drainage box of another embodiment Partial enlarged side sectional view of another embodiment Enlarged perspective view with the side cover of the drainage box removed Front view of cooking condition setting screen Front view of the first maintenance screen Front view of the second maintenance screen LCD display screen (a) error display and (b) error handling display Flow rate time chart Hydrostatic time chart Change of drop time chart Shower setting function time chart Time chart of water pool setting function Time chart of another water pool setting function Time chart of pump operation stop function before dropping Time chart of the pump operation time setting function during the rinsing process Additional time chart for rice washing motor operation after rinsing Time chart of pump operation stop function before dropping Time chart of pump operation time setting function during rinsing process and time chart of rice washing motor operation function after rinsing Time chart to delete the water pool setting item from the extended setting menu screen and restore the water adjustment adjustment item Time chart of dip dipping and shower cycle

  Embodiments specifically configured based on the above technical idea will be described below with reference to the drawings.

  FIG. 1 and FIG. 2 are an overall front view and an entire side view, respectively, of the rice-washing rice cooker shown in the examples.

  This rice-washing rice cooker is configured by movably supporting a rice-washing machine composed of a rice storage tank 2 and a rice washing tank 3 with a support machine frame 1 and arranging a plurality of rice cookers 5 and 5 below it. The rice washing machine is provided with a rice storage tank 2 provided on the upper part of the support machine frame 1 so as to be laterally movable, and a rice washing tank 3 with a water supply / drainage part is integrally connected to the lower part of the rice storage tank 2. 5 is arranged at intervals below the rice washing tank 3 and is composed of a rice cooker 6, a kettle heating burner 7, a pull-out frame 10, etc., and according to rice cooking settings, from the weighing process by the rice storage tank 2, A series of processes up to the rice cooking process by the rice cooker 5 is performed through each process of washing rice, adding and subtracting water, and dropping.

  There is a pipe to the water supply pump 26 a on the back surface of the support machine frame 1, and it is preferable to provide a cover that covers this and hooks onto the support machine frame 1. The rear part of the rice-washing rice cooker is covered with a cover. Thereby, when an operator passes the back part of a rice-washing rice cooker, it is safe.

(US storage tank)
The configuration of the rice-washing rice cooker will be described in detail. The rice storage tank 2 has a rice inlet 18 opened on the upper surface thereof, and the rice inlet 18 is opened and closed by a charging lid 19. The lower half of the rice storage tank 2 is formed in a hopper shape, and a measuring instrument 12 (FIG. 3) is attached to the lower end of the hopper. The meter 12 is composed of a metering feed valve driven by a motor 12a, and rotates the meter 12 filled with rice that has flowed from the storage tank 2 by a certain amount by the number of revolutions required for the planned amount of rice cooking. An amount of rice is supplied from the rice storage tank 2 to the rice washing tank 3.

(Rice washing tank)
As shown in the vertical sectional side view of the rice washing tank section in FIG. 3, the rice washing tank 3 includes a funnel-shaped receiving section 13 for receiving rice supplied from the measuring instrument 12 on the ceiling section, and a cylindrical body section in the middle section. 3b and a lower hopper-like part 3c, a jacket part 31 is connected to the lower part of the hopper-like part 3c of the rice washing tank 3, and the rice grains leak at the boundary between the hopper-like part 3c and the jacket part 31 A filter 15 having an opening that is not allowed to be provided is provided.

  A rotary shaft 16 having a vertical hollow shaft is provided at the center of the rice washing tank 3, and a rice draining shaft 16a is disposed through the hollow portion. A plurality of stirring blades 17 as a stirring body are attached to the rotating shaft 16, and the rotating shaft 16 controls the rotational speed in the forward and reverse directions through a transmission system such as a bevel gear 21 by a rice washing motor 20 attached to the support machine frame 1. Rotated as possible.

  As shown in the perspective view of FIG. 4, the stirring blade 17 is bent and formed so as to lift the rice being washed in a counterclockwise motion along the inner surface of the hopper-like portion 3 c, thereby shortening and using the rice washing time. It is possible to reduce the amount of water, and it is possible to drop the rice without any remaining rice from the rice washing tank 3 by controlling the rice in the clockwise direction so as to be pressed down when dropping the rice into the rice cooker 6.

  The rice draining shaft 16a is loosely fitted in the outer rotary shaft 16 so as to be freely slidable up and down. A removable rice draining valve 22 is provided at the lower end of the shaft, and the upper end of the shaft is a motor 23 for driving the rice draining valve. The opening / closing control of the rice draining valve 22 is performed by the cam 24 driven by When the rice removal valve 22 is opened, the rice in the rice washing tank 3 falls into the lower rice cooker 6.

(Water supply department)
Water and air are supplied to the rice washing tank 3 by bringing the lower water supply pipe 27 and the air supply pipe 27a close to the jacket portion 31 at the lower end, and the lower water supply pipe 27 is shown in the plan view of the water supply section in FIG. As described above, an upper water supply pipe 29 is provided which descends from the water distribution pipe 26 arranged at the upper height position of the rice washing tank 3 and is branched by the switching valve 35 to supply water from the plurality of nozzles 29a and 29a. The water distribution pipe 26 is provided with a flow rate sensor 25 for measuring the flow rate, and an open / close valve 28 that operates in accordance with the measured value of the flow rate sensor 25 is provided in the lower water supply pipe 27 and a similar open / close valve 33 is provided in the upper water supply pipe 29. . Water supply to the water distribution pipe 26 is performed by driving a water supply pump 26a.

  The lower water supply pipe 27 configured as described above supplies water to the jacket portion 31 at the lower part of the rice washing tank 3 during the rice washing, and the lower water supply pipe 27 descends from the water distribution pipe 26 at the upper height position of the rice washing tank 3 to the lower part of the rice washing tank 3. Since it communicates, the total amount of water in the lower water supply pipe 27 is drained without remaining. Therefore, when supplying water to the rice subjected to the water washing treatment, the entire amount of water supplied by the on-off valve 28 controlled to measure based on the flow sensor 25 descends the lower water supply pipe 27 and the lower part of the rice washing tank 3 Therefore, the required cooking conditions can be ensured by adjusting the amount of water that can be controlled with high accuracy.

  The air supply pipe 27a having the above-described structure has an air inlet provided in the lower jacket portion 31, and supplies air constantly or intermittently during the later-described rice washing process, and temporarily during the later-described water supply / reduction process. By supplying air for a short time, the discharge of rice and water in the rice washing tank 3 is promoted.

  In addition, as shown in the side view (a) and the top view (b) showing the internal structure of the example which replaced the air supply pipe 27a of FIG. 13 with the lower water supply pipe 27, the air inlet of the air supply pipe 27a is made into the lower water supply pipe 27. When the rice subjected to water treatment is dropped from the rice washing tank 3 to the rice cooking pot 6, air is injected into the lower water supply pipe 27, so that air flows through the lower water supply pipe 27 to the rice washing tank 3. Since the residual water in the lower water supply pipe 27 is sent to the rice washing tank 3, the supplied water can be dropped together with the water subjected to water treatment.

  The upper water supply pipe 29 having the above-described configuration includes an opening / closing valve 33 that branches from the water distribution pipe 26 by the switching valve 35 at the upper height position of the rice washing tank 3 and operates according to the measurement value of the flow sensor 25. When supplying water to the upper part of the rice washing tank 3, the flow rate sensor 25 controls the on-off valve 33 so that the water can be intermittently sprinkled on the washed rice.

  In addition, since the pump control switches 26SW1 and SW2 for turning on / off the water supply pump 26a are provided on the process display screen 71 for performing the control setting of the rice cooker, the control of the water supply pump 26a can be easily and reliably performed.

(Drainage)
A drainage box 39 is provided on the lower side of the rice washing tank 3, the drainage box 39 having a drainage port 40 is hermetically sealed, and an upper part is connected to an overflow pipe 41 opened on the upper side surface of the rice washing tank 3 by a connecting pipe 36. The inner portion is connected to a jacket water distribution pipe 42 communicating with the jacket portion 31.

  In the embodiment shown in FIG. 14, a flange is provided at the overflow outlet portion 46 that is welded through the rice washing tank 3, and a packing 48 is sandwiched between the flange 48 and the flange on the overflow pipe 41 side to attach and remove it. I'm trying to clean it. In the embodiment shown in FIG. 15, a slit 41 a that does not pass rice is provided at the lower side of the overflow pipe 41 in the rice washing tank 3 so that the floating rice is not discharged.

  Drainage from the jacket water distribution pipe 42 is performed by opening and closing a drain valve 44 (shown integrally with the water level valve 54 in FIG. 3 for convenience), and the water level valve 54 adjusts the water level in the rice washing tank 3.

  Although the drainage box 39 is always closed by the drainage valve 44 and the water level valve 54, when draining the water in the rice washing tank 3, the jacket water distribution pipe 42, the drainage valve 44, and the Drained through the water level valve 54, the drain box 39 and the drain port 40.

  The drain valve 44 and the water level valve 54 are respectively connected by control wires 45 and 55 provided in connection with solenoids 43 and 53 as opening / closing drive bodies provided fixedly on the partition plate 77 of the support machine frame 1 of the rice washing tank 3. Open and close. Moreover, the float sensor 32 with an electrical contact which detects the amount of water in the rice washing tank 3 is provided in the upper part in the rice washing tank 3.

  In the embodiment shown in FIG. 20, the jacket portion 31 of the rice washing tank 3 and the drain box 39 are connected by a drain pipe 76, the drain valve 44 is provided in the drain box 39, and the opening / closing provided on the partition plate 76 of the support machine frame 1. The drain valve 44 is opened and closed by connecting an arm 65, a wire 66, an arm 68 and a slide opening / closing shaft 70 from an opening / closing motor 64 as a driving body. The solenoids 43, 53 and the opening / closing motor 64 are provided with opening / closing sensors 53a, 53b for detecting the operation.

  Since the solenoids 43 and 53 and the opening / closing motor 64 as the opening / closing drive body are provided on the partition plate 77, they are not easily affected by water vapor from the rice cooker 5.

  As shown in FIG. 21, transparent side lids 38 whose left and right sides are longer than the upper and lower sides are attached to the side surfaces of the drainage box 39 with left and right hooks 37 and 37 so as not to leak water with seals.

  The wire 66 entering the drainage box 39 from above is sealed with an O-ring so as not to leak water.

  Further, since all of the opening / closing motor 64, the arm 65, the wire 66, the arm 68, the slide opening / closing shaft 70 and the like are provided on the right side toward the machine body, maintenance work is easy.

(control panel)
Next, as shown in the state (a) in which the display lid 75 in FIG. 6 is closed, the operation panel 11 as an operation display unit has a process display screen 71, a reservation switch 78, a switch group 79, and a start switch 80 at the top. A help switch 81 is disposed, and a liquid crystal display screen 72 is provided at the bottom. The process display screen 71 displays the preliminary process consisting of rice weighing, rice washing and soaking, and the cooking process consisting of preparing, soaking, igniting, rice cooking, uneven cooking, and cooking after cooking. The LED provided for each process is turned on so that it can be identified, and light is emitted in two colors, green in a normal operation state and red in an abnormal state, so that the operation state can be easily recognized.

  In FIG. 6A with the display lid 75 closed, the liquid crystal display screen 72 displays a normal operation display screen A. In this embodiment, the number of times of rice cooking (hereinafter referred to as the number of accumulated kettles) is continuously cooked. The number of times (hereinafter referred to as the planned number of pots), the capacity to be processed with one rice cooking, the total soaking time in the rice cooking preliminary process and the rice cooking process, and the steaming time are displayed.

  FIG. 6B shows a state in which the display lid 75 is opened. When the display lid 75 is opened, the liquid crystal display screen 72 can immediately set the rice cooking conditions from the normal operation display screen A. The rice cooking condition setting shown in FIG. Screen B is displayed. Rice cooking condition setting screen B is a screen that can set any rice cooking condition among rice cooking amount, water adjustment, washing method, soaking time, steaming time, cooking method (mode), ignition method, rice cooking condition setting screen The type of rice cooking conditions is selected with the menu switch 74 below B, and the rice cooking conditions can be determined with the setting switch 73 at a position corresponding to each selected rice cooking condition.

  Further, in the water addition / subtraction processing, the maintenance screen M in FIG. 23 and FIG. 24 displays the set water addition / subtraction amount and the measured amount by the flow rate sensor 25 on the liquid crystal display screen 72 by the sensor pulse by pressing the predetermined plural switches simultaneously. By providing the above, it becomes possible to investigate the cause of the abnormality of the flow sensor 25 and the water adjustment error. The maintenance screen M is provided with a pump-on switch (water level (open)) 26SW1 and a pump-off switch (water level (closed)) 26SW2 for turning the water supply pump 26a on and off so that the operation of the water supply pump 26a can be confirmed. ing.

(Control system)
As shown in the block diagram of FIG. 7, the control system for the rice-washing rice cooker having the above configuration inputs signals from the flow rate sensor 25 and the water temperature sensor T to the control unit C in addition to various instruction switches on the operation panel 11 and outputs them. On the side, the display screen 72 of the operation panel 11 that displays the setting contents and the operation status, the metering valve 12 that measures the amount of cooked rice, the water supply pump 26a and the water supply switching valve 35 that supply water to the rice washing tank 3, and the stirring that is washed by rotation A blade 17, a rice discharge valve 22 that discharges and drops the washed rice from the rice washing tank 3, and a rice cooking device 5 that cooks the dropped rice by the burner 7 are connected, and the control unit C can be controlled according to input signals. Configure.

  As shown in the flowchart of FIG. 8, the control process for the rice washing rice washing is performed by removing a set amount of rice from the rice storage tank 2 through the first step of the weighing process (hereinafter abbreviated as “S1”). In the rice washing tank 3 that has received and received the rice, the rice washing process (S2), the soaking process (S3), the draining process (S4), and the water adding / decreasing process (S6) are prepared for rice cooking. The rice is dropped into the rice cooker 5 by the water supply step (S7), and then the rice cooking step (S7) by the burner 7 is performed in the rice cooker 5.

  The washing step (S2) includes a rinsing step in which washing water is supplied from the lower water supply pipe 27, air is supplied to the washing water from the air supply pipe 27a, the agitator 17 is constantly rotated, and water is supplied after draining. . In the rinsing process, water is usually supplied from the washing tank 3 until it overflows, but the water supply can be stopped immediately before the overflow to prevent the rice from sticking to the top. The water supply stop is controlled by the water supply time. In the rinsing process, the stirrer 17 is driven simultaneously with the water supply, but can be stopped.

  In the squeezing up dipping step (S3), the stirring body 17 is stopped and the washing water is drained, and water is sprinkled every set time. However, if there is residual rice, the stirring body 17 is driven to leave the residue on the washing rice tank 3. Make it possible to lose rice.

  Note that the rinsing step may be performed after the non-raising and dipping step (S3).

  In the draining step (S4), the sprinkler is drained and the stirring member 17 is rotated for a short time.

  The rinsing step (S5) is sprinkled again and rinsed, but can be omitted if there is no remaining rice.

  In the water addition / reduction step (S6), the agitator 17 is stopped and the required amount of water for water addition / reduction is supplied from the lower water supply pipe 27.

  In the rice water supply step (S7), the rice discharge valve 22 is opened, and the agitator 17 is rotated for a short time while air is ejected from the air supply pipe 27a for a short time.

  When water is scattered to the upper part of the rice washing tank 3 by watering, the water supply pump 26a can be stopped at a set time.

  The time for driving the stirring member 17 may be arbitrarily changed.

(Immersion process)
In the above series of steps, the immersion water sprinkling is controlled so that a predetermined amount (for example, 160 cc) of water is applied by the flow sensor 25 in order to ensure the accuracy of water adjustment. The amount of water spray can be stabilized.

(Water adjustment process)
Rice absorbs water even when it is washed, and as shown in the water absorption characteristics chart of FIG. 9, the water absorption rate is fast especially at the initial stage of water absorption. Therefore, if the amount of water to be added is the same, it will not be possible to ensure proper water leveling, so the amount of water to be added will be increased according to the short time of rice washing compared to the standard, and rice washing mode, rapid washing rice, no washing rice Adjust the amount of water in each hour.

  Thus, based on the corrected water amount based on the rice washing time separately set for the water addition / reduction amount, it is necessary to perform a troublesome adjustment operation corresponding to the rice washing time by correcting the water amount by the rice washing time in the rice washing treatment and performing the water addition / reduction treatment. In addition, the quality of cooked rice can be ensured by appropriate water control.

  About the water supply amount in the water addition / subtraction process, the water supply temperature is adjusted by correcting the water amount based on the water supply temperature detected by the water temperature sensor T provided in the water supply unit based on the correction water amount based on the separately set water supply temperature. Even if there are fluctuations, the quality of rice cooking can be ensured by appropriate water adjustment without requiring troublesome adjustment operations due to changes in the amount of water absorption with the water supply temperature.

  In addition, the water supply temperature is adjusted according to the progress of the season by adjusting the water amount according to the corresponding month in the year obtained by the clock provided on the aircraft based on the monthly corrected water amount set separately for the water amount. Even if there are fluctuations, the rice cooking quality can be ensured by appropriate water adjustment without requiring a troublesome correction operation due to a change in the amount of water absorption with the water supply temperature.

  Specifically, the amount of water is corrected to be larger on the day (time) when the outside temperature is difficult for the rice to absorb water, and the amount of water is corrected to be smaller on the day (time) when the outside temperature is easy for the rice to be supplied.

  As shown in the timing chart of FIG. 10, the drainage time before the water flow adjustment by the flow rate sensor 25 is determined by providing drainage times A and B longer than a predetermined time (for example, 1 minute) from the stop of the upper water supply. The problem of excessive water drainage due to sufficient drainage can be avoided.

(Draining process)
In draining, as shown in the timing chart of FIG. 11, the stirring blade 17 is turned for a predetermined time (for example, 30 seconds) to drain the water, and then water is added to adjust the water periodically. In addition to eliminating the effects of typical watering, the waiting time before charging can be shortened.

  In the soaking process, if the water pressure or flow rate at the supply source is small, the momentum of water is weakened, so that the presence or absence of watering shown in Fig. 12 can be selected from the extended mode menu so that it can be compensated with the watering interval and time. The spraying interval and spraying time can be set by operating the switches on the screen (a) and the time setting screen (b).

  That is, by switching the liquid crystal display unit 72 of the operation panel 11 to the extended mode menu screen and selecting “sprinkling during immersion” according to the menu number, “with watering” on the watering presence / absence selection screen of FIG. Use the “+” and “-” switches to change the watering interval during blinking on the time setting screen shown in FIG. 12 (b) in increments of 1 minute using the “+” and “-” switches. Move to the sprinkling time, change the flashing sprinkling time in 1 second increments with the “+” and “-” switches, and complete the setting change with the “set” switch.

  In order to prevent the rice from being dried at the time of dipping in the washing rice tank 3, the amount of water to be submerged is controlled by using the flow sensor 25 to reduce the amount of water supplied according to the number of times of immersion water spraying at predetermined time intervals. Even if the water added to the soaking rice is absorbed and the weight of the rice increases, it is possible to ensure proper water control.

(Dropping process)
In the rice water supply process, air is injected into the lower water supply pipe 27 when the water subjected to water treatment is dropped from the rice washing tank 3 to the rice cooker 5, so that the air is transferred to the rice washing tank 3 through the lower water supply pipe 27. The remaining water in the lower water supply pipe 27 is sent to the washing rice tank 3 by the flow of the water and transferred to the rice cooking process with the required amount of water adjusted, so that the required rice cooking conditions in the rice cooking process are substantially ensured. Can do.

  FIG. 16 shows the lid of the rice cooker 6, and the lower lid 49 is provided with an upper locking portion 49a by welding, and the lower lid 50 is assembled by inserting it from the side, without using screws or the like. The lower lid 50 is provided with a locking metal fitting 50a that can be raised and lowered by a torque spring.

  FIG. 17 shows an embodiment in which left and right metal meshes 56L and 56R are attached to the overflow outlet 46 side in the body 3b of the rice washing tank 3, and the support 58 on the rice washing tank 3 side is provided at the upper part on the left and right metal meshes 56L and 56R side. The fastener 59 is detachable. The receiver 58 is a pin or a U-shaped metal fitting, and locks a fastener 59 such as a hair pin or a insertion spring. The left and right metal meshes 56L and 56R have the same shape and can be attached to either the left or right.

  FIG. 18 shows an embodiment in which a cleaning agent for cleaning the inside of the rice cleaning tank 3 is supplied. To the overflow pipe 41 on the side of the rice washing tank 3. When the washing button provided on the operation panel 11 is pressed, the open / close solenoid valve 62 opens to supply the cleaning agent to the rice washing tank 3, close the drain valve 44, drive the stirring blade 17, and drain the water from the overflow pipe 41. 3 is washed for a predetermined time, and the drain valve 44 is opened to drain the washing water. The cleaning may be started after leaving the water containing the cleaning agent for a predetermined time to decompose the dirt.

  In addition, when an opening / closing valve is provided at the drain port 40 and the rice washing tank 3 is not used, it is possible to prevent insects from entering the inside.

  For example, as shown in FIG. 19, a slide opening / closing shaft 70 is provided in the drainage box 39 for slidingly opening and closing the drain valve 44 of the rice washing tank 3 and the opening / closing valve 67 of the drain port 40. When the arm 68 is connected to the arm 65 of the opening / closing motor 64, only the drain valve 44, only the opening / closing valve 67, or both the drain valve 44 and the opening / closing valve 67 can be opened at the stop angle of the arm 65.

  The control system of the above rice-washing rice cooker is automatically performed, but if an error occurs in the middle, the cause of the error and the countermeasure are displayed on the liquid crystal display screen 72 as shown in FIGS. 25 (a) and 25 (b). It ’s fine.

  FIG. 26 shows a time chart of the flow rate method. Although the water level valve is described, the transition can be monitored even if the water level valve is eliminated and only the drain valve is configured. FIG. 27 shows a hydrostatic time chart. FIG. 28 shows a change in the drop time chart. In the rice washing motor and pump, the remaining rice can be reduced by operating while the dropping valve is open and dropping while stirring.

  FIG. 29 shows a time chart of the shower setting function and a shower setting screen. Whether the shower setting function is used and the rice washing motor operating time are set on the shower setting screen. The rice washing motor is operated at the same time as watering to prevent the rice from drying during the soaking. The rice washing motor operating time can be arbitrarily set. It is the structure for enabling it to adjust according to the extent of remaining rice and the ease of cracking of rice.

  FIG. 30 shows a time chart of a water pool setting function and a water pool setting screen. The puddle setting function is set on the puddle setting screen. When the puddle setting is on, the puddle setting on process of the time chart is performed before the water adjustment (after completion of the soaking). By rinsing the water before adding or subtracting water, the rice sticking to the side of the washing tank is peeled off, making it easier for the rice to fall when dropped.

  FIG. 31 shows another time chart of the water pool setting function and a water pool setting screen. When the water pool setting is on, the finish rinsing step is not performed before the sag raising soaking, and the finishing rinsing step is performed before the water addition (after the sieving soaking is completed). When the pot ready lamp lights up, the finishing rinse process is started. When the water pool setting is off, the rinsing process is performed before the standard soaking and soaking.

  FIG. 32 shows a time chart of a pump operation stop function before dropping and a dropped bubble setting screen. It is configured to enable / disable pump operation during dropping on the drop bubble setting screen. When OFF is selected on the drop bubble setting screen, the pump is not operated during the drop process. By reducing the scattering of rice caused by air bubbles at the top of the washing tank, it is possible to reduce the sticking of rice to the top of the tank. When ON is selected on the drop bubble setting screen, the pump operates during the drop process as standard.

  FIG. 33 shows a time chart of the pump operating time setting function during the rinsing process and a rice washing bubble setting screen. This function is configured so that the bubble washing screen can be set. When time setting is selected on the rice washing bubble setting screen, the time chart of the rinsing process (finish rinsing process) is changed as follows, and the pump operating time can be arbitrarily set between 0 and 300 seconds. By stopping the pump while the water level is low, it is possible to reduce the scattering of rice to the upper part of the rice washing tank due to bubbles and reduce the sticking of rice to the upper part of the rice washing tank. Since the speed at which the water level rises depends on the flow rate, the time at which the pump is turned off can be adjusted. However, when the float SW (overflow sensor) is turned on before the set time elapses, the pump is turned off at the same time as the float SW is turned on. When no setting is selected on the rice washing bubble setting screen, the pump is turned off at the same time as the float SW (overflow sensor) is turned on as standard.

  FIG. 34 shows a time chart for adding the rice washing motor operation function after rinsing and a setting screen after rinsing. This function can be set on the setting screen after rinsing. When ON is selected on the setting screen after rinsing, the rice washing motor operates in the T11 step during the rinsing step. When off is selected on the setting screen after rinsing, the rice washing motor is not operated in the T11 step in the rinsing step as standard.

  FIG. 35 shows a time chart of the pump operation stop function before dropping and a dropped bubble setting screen. When the maintenance screen is displayed and the help SW and the remaining rice drop SW are pressed at the same time, the drop bubble setting screen is displayed. In this case, the item corresponding to ionic water is not deleted. When OFF is selected on the drop bubble setting screen, the pump is not operated during the drop process. When ON is selected on the drop bubble setting screen, the pump is operated during the drop process as before. FIG. 36 shows a time chart of the pump operating time setting function and the rice washing bubble setting screen during the rinsing process, and a time chart and a setting screen after rinsing of the rice washing motor operation function after rinsing. The time chart of the pump operating time setting function during the rinsing process and the rice washing bubble setting screen will be described. When the time setting is selected on the rice washing bubble setting screen, the time chart of the rinsing process (finish rinsing process) is changed as shown in the drawing so that the pump operation time can be arbitrarily set between 0 and 300 seconds. However, when the float SW (overflow sensor) is turned on before the set time elapses, the pump is turned off at the same time as the float SW is turned on. When no setting is selected on the rice washing bubble setting screen, the pump is turned off at the same time as the float SW (overflow sensor) is turned on as standard.

  A time chart of the rice washing motor operation function after rinsing and a setting screen after rinsing will be described. When the maintenance screen is displayed and the help SW and the rice washing SW are pressed at the same time, a setting screen after rinsing is displayed. In this case, the water adjustment adjustment item is not deleted. When ON is selected on the setting screen after rinsing, the rice washing motor is operated in the T11 step during the rinsing step. When OFF is selected on the setting screen after rinsing, the rice washing motor is not operated in the T11 step in the rinsing step as before.

  In FIG. 37, the water pool setting item is deleted from the extended setting menu screen, and the water adjustment / reduction adjustment item is restored. When the maintenance screen is displayed and the help SW and the sewage SW are pressed simultaneously, a water pool setting screen is displayed. The flow rate display is deleted by simultaneously pressing the help SW and the sewage SW. The flow rate display is displayed only when the flow rate display SW is pressed. When the water pool setting is on, the finish rinsing step is not performed before the simmering soaking, and the finishing rinsing step is performed before the water is added or subtracted (after completion of the slicking soaking). When the pot ready lamp lights up, the finishing rinse process starts. When the water pool setting is off, the time chart is as shown in the figure.

  FIG. 38 shows the time chart of the soaking and shower cycle, the switching of the extended setting menu screen, and the shower setting screen.

3 Rice Washing Tank 11 Operation Panel 17 Agitation Blade 26a Water Supply Pump 26SW1 Pump On Switch (Water Level (Open))
26SW2 pump off switch (water level (closed))
29 Upper water supply pipe 32 Opening and closing drive body (solenoid)
39 Drainage box 44 Drainage valve 53 Opening / closing drive body (solenoid)
53a, 53b Open / close sensor 64 Open / close driver (open / close motor)
72 LCD display screen

Claims (3)

  Washing rice for rice cooking by supplying water to the rice washing tank (3) from the upper water supply pipe (29) and opening the drain valve (44) of the drainage box (39) provided at the bottom of the rice washing tank (3) to drain the rice washing tank (3) In the machine, opening / closing sensors (53a), (53b) are provided in the opening / closing drive bodies (32), (43), (53) for operating opening / closing of the drain valve (44), and the opening / closing sensors (53a), (53b) are provided. ) Is displayed on the liquid crystal display screen (72) of the operation panel (11).   In the rice washing machine that supplies water to the rice washing tank (3) from the upper water supply pipe (29) by driving the water supply pump (26a), the maintenance screen (M) for maintaining the liquid crystal display screen (72) of the rice washing machine for rice cooking A rice washing machine for rice cooking, comprising pump control switches (26SW1) and (26SW2) for turning on and off the water supply pump (26a).   In the rice washing machine provided with the stirring blade (17) in the rice washing tank (3), when the rice washing is put into the rice cooking pot (6) from the rice washing tank (3), the stirring blade ( 17) The rice-washing machine for rice cooking according to claim 1, wherein the rice-washing machine is driven.

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