JP2010125240A - Rice washing and cooking machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a rice washing and cooking machine extraordinarily cooking rice different in kind from that stored in a rice storing tank without replacing the rice in the rice storing tank by simple operation. <P>SOLUTION: In the rice washing and boiling machine, a rice washing tank 3 is provided below the rice storing tank 2, and rice washed and dropped from the rice washing tank 2 is received and cooked by a rice cooking device 5. The machine is provided with an external rice supply means S capable of supplying rice directly from the outside to the rice washing tank 3. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a rice-washing rice cooker that automatically takes out a predetermined amount of rice stored in a rice storage tank, washes it, supplies it to a rice cooker, and cooks rice.

There exists what was described in Unexamined-Japanese-Patent No. 2003-210316 as a rice-washing rice cooker.
This rice-washing rice cooker is equipped with a rice storage tank and a rice washing tank in the support machine frame, and a predetermined amount of rice from the rice storage tank is sent to the rice washing tank for washing, and the washed rice is put into the rice cooking device installed below the rice washing tank And cook rice automatically.
Japanese Patent Laid-Open No. 2003-210316

  The above rice-washing rice cooker automatically takes out the amount of rice set in advance from the rice stored in the rice storage tank and cooks it, and it can cook the required amount of rice according to the plan. For example, if you want to cook glutinous rice even if you accumulate glutinous rice in a rice storage tank, you must replace it with glutinous rice.

  Therefore, in the present invention, the rice washing machine can temporarily cook rice of different varieties from the rice stored in the storage tank so that the rice in the storage tank can be replaced with a simple operation. Is an issue.

The problems of the present invention are solved by the following technical means.
The invention according to claim 1 is a rice washing rice cooker in which a rice washing tank 3 is provided below the rice storage tank 2 and the rice to be washed and dropped from the rice washing tank 2 is received by the rice cooker 5 and cooked. The rice-washing rice cooker is characterized in that an external rice supply means S capable of directly supplying rice from the outside to 3 is provided.

With this configuration, different types of rice other than the rice stored in the rice storage tank 2 can be cooked by supplying the different types of rice to the washed rice tank 3 with the external rice supply means S.
According to the second aspect of the present invention, the weighing of the rice taken out from the rice storage tank 2, the washing of the rice in the washing tank 3, and the cooking of the rice in the rice cooker 5 are performed by automatic control, and the rice washing tank is supplied from the external rice supply means S. When the external supply detection means T detects the supply of rice, the automatic rice cooking control does not supply the rice in the rice storage tank 2 and the rice washing tank 3 It was set as the rice washing rice cooker of Claim 1 which should start control from rice washing.

  With this configuration, normal rice cooking can be completed by weighing a predetermined amount of rice in the storage tank 2 by automatic rice cooking, but different rice from the rice in the storage tank 2 is washed from the external rice supply means S to the rice washing tank. If it supplies to 3, it will detect that with the external supply detection means T, will wash | clean another rice, and will cook rice.

  According to a third aspect of the present invention, the external rice supply means S is constituted by a chute 56 connected to the inside of the rice washing tank 3, and the external supply detection means T is constituted by a rice detection sensor 57 provided on the chute 56. It was set as the described rice-washing rice cooker.

In this configuration, when rice is supplied to the rice washing tank 3 by the chute 56, the rice detection sensor 57 detects that rice has been supplied directly to the rice washing tank 3.
According to a fourth aspect of the present invention, the open / close door 58 for supplying rice to the rice washing tank 3 is provided, and the door sensor 59 for detecting the opening of the open / close door 58 is used as the external supply detecting means T. A rice-washing rice cooker was used.

  In this configuration, when the opening / closing door 58 is opened to supply rice to the rice washing tank 3, it is assumed that the rice has been directly supplied to the rice washing tank 3, and the rice washing in the rice washing tank 3 is not performed without supplying rice to the rice storage tank 2. To start.

In the first aspect of the present invention, when rice of a different kind from the rice in the storage rice tank 2 is cooked, the rice can be cooked by supplying the different kind of rice to the washed rice tank 3 by the external supply detection means T.
According to the second aspect of the present invention, when different seed rice is supplied from the external supply detection means T to the rice washing tank 3, the rice supply to the rice storage tank 2 is automatically stopped.

In the invention according to the third aspect, the supply of the different kinds of rice is directly detected by the rice detection sensor 57, and the control not to supply the rice in the storage tank 2 is reliably performed.
In the fourth aspect of the invention, since the external supply detection means T detects the opening of the open / close door 58, the configuration is simplified.

Embodiments of the present invention shown in the drawings will be described below.
The rice-washing rice cooker shown in the examples is used in a cafeteria or the like that supplies a large amount of cooked rice, and its entire front view is shown in FIG. 1 and its entire side view is shown in FIG.

  A rice storage tank 2 is provided on the upper part of the support machine frame 1, a rice washing tank 3 is provided below the rice storage tank 2, and a rice cooker 5 is arranged below the rice washing tank 3 at intervals. The rice cooker 5 includes a rice cooker 6, a kettle heating burner 7, a drawer-type gantry 10, and the like.

  A rice input port 18 is opened on the upper surface of the rice storage tank 2. The rice input port 18 is opened and closed by a input lid 19, and the opening and closing of the input lid 19 is detected by the input lid sensor 14. The lower half of the rice storage tank 2 is configured as a hopper, and a measuring instrument 12 (FIG. 3) is attached to the lower end of the hopper. The meter 12 is made of a cylindrical member, and is driven by a metering motor 12a through a transmission device (not shown). The meter 12 filled with rice that has flowed from the rice storage tank 2 by a certain amount is rotated as necessary for the planned amount of rice cooking. By rotating the number of rice, the planned amount of rice is supplied from the rice storage tank 2 to the rice washing tank 3.

  In addition, when the opening lid 19 is removed at normal times and the rice opening 18 is opened, the opening lid sensor 14 detects the opening and controls so as not to drive the measuring instrument 12 for safety. However, in the maintenance mode, the meter 12 can be driven even when the closing lid sensor 14 is opened.

  As shown in FIG. 3, the rice washing tank 3 includes a funnel-shaped receiving portion 13 for receiving rice supplied from the measuring device 12 in the ceiling portion, a cylindrical body portion 3 b in the middle portion, and a hopper shape in the lower portion. A filter having an opening to the extent that does not allow rice grains to leak at the boundary between the hopper-like part 3c and the jacket part 31 with the jacket part 31 connected to the lower part of the hopper-like part 3c of the rice washing tank 3 having the part 3c 15 is provided.

  A rotating shaft 16 in the vertical direction is provided at the center of the rice washing tank 3, a stirring blade 17 is attached to the rotating shaft 16, and the rotating shaft 16 is attached to the support machine frame 1 and can be rotated forward and backward and can control the rotation speed. It is rotated by a motor 20 via a worm gear 21. The rotary shaft 16 is a hollow shaft, the inner rice draining shaft 16a is loosely fitted in the outer rotary shaft 16 so as to be slidable up and down, and a removable rice draining valve 22 is provided at the lower end of the shaft. The upper and lower ends are moved up and down by a cam 24 that is driven by a motor 23 for driving the rice drain valve, and the opening and closing control of the rice drain valve 22 is performed. When the rice removal valve 22 is opened, the rice in the rice washing tank 3 falls into the lower rice cooker 5.

When the rice drain valve 22 is opened, the rice washing motor 20 rotates faster than the rotation during rice washing so that the rice does not remain in the rice washing tank 3.
As shown in FIG. 3, the supply of water to the rice washing tank 3 is a route through the water distribution pipe 26, the flow sensor 25, the upper water supply valve 33, and the upper water supply port 29 on the ceiling of the rice washing tank 3, and the downstream of the flow sensor 25. Therefore, it is carried out in two systems of a route that branches from the water distribution pipe 26 and passes through the jacket portion 31 from the lower water supply valve 35, the water distribution pipe 27, and the lower water supply port 30. A drainage box 39 is provided on the lower side of the rice washing tank 3, and the drainage box 39 having a drainage port 40 is connected to an overflow pipe 41 opened at the upper side surface of the rice washing tank 3 by a connecting pipe 36. The portion is connected to a jacket water distribution pipe 42 communicating with the jacket portion 31. 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 opened and closed by control wires 45 and 55 provided to extend from the drain valve solenoid 43 and the water level valve solenoid 53 which are fixedly provided on the ceiling of the rice washing tank 3. 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.

  A chute 56 that leads from the front of the rice storage tank 2 to the upper part of the rice washing tank 3 is provided, an opening / closing door 58 is provided at an external opening of the chute 56, and a door sensor 59 that detects when the opening / closing door 58 is closed is provided. A rice detection sensor 57 for detecting the passage of rice is provided inside. The chute 56 is the external rice supply means S of the present invention, and the rice detection sensor 57 and the door sensor 59 are the external supply detection means T of the present invention.

  For example, when cooking glutinous rice having a different type from, for example, glutinous rice stored in the storage tank 2, the open / close door 58 is opened and the glutinous rice is supplied from the chute 56 into the rice washing tank 3. In this case, The rice detection sensor 57 and the door sensor 59 detect the supply of glutinous rice, and control is performed so that the measuring instrument 12 does not operate even when a start switch 80 described later is pressed.

In addition, even if the start switch 80 is pushed with the open / close door 58 open, the rotating shaft 16 to which the stirring blade 17 is attached is prevented from rotating.
Next, the inspection window for the rice washing tank 3 will be described with reference to FIGS. The lateral movement frame 85 of the support machine frame 1 mounts the rice storage tank 2 and supports the rice washing tank 3 in a suspended manner. A relatively large inspection / cleaning window 3a for inspection / cleaning is provided on the front surface of the rice washing tank 3, and an inspection window lid 94 is mounted. A control door 95 having a control device is provided on the front side of the rice storage tank 2 so as to be openable and closable. An opening 93 a And an opening lid 94a is attached.

  If the control door 95 is opened and the opening lid 94a is opened, the inside of the rice washing tank 3 below can be inspected from the opening 93a of the fixing horizontal plate 93. Therefore, even if the rice-washing rice cooker stops due to an abnormality and the inspection window cover 94 of the rice-washing tank 3 is opened, it becomes impossible to check it, and the state in the rice-washing tank 3 can be easily confirmed and the inspection work can be performed smoothly. Can do.

When the inspection window lid 94 and the opening lid 94a are opened, safety is ensured by preventing the rotating shaft 16 with the stirring blade 17 from rotating even if the start switch 80 is pressed.
6 and 8 show another embodiment of the rice washing tank 3, and a water level sensor 60 for detecting the water level W of the water supply is provided at the top. This water level sensor 60 is cylindrical and is covered with a sensor enclosure 61 having an opening at the bottom and an air vent hole 62 at the top. With this configuration, even if the water surface W undulates, the water surface W inside the sensor enclosure 61 becomes quiet, and the water level can be accurately detected. 65 is an alcohol spray nozzle that sprays ethyl alcohol at predetermined time intervals during rice cooking standby to disinfect the inside of the rice washing tank 3.

  FIGS. 8 and 9 show the lower part of the rice washing tank 3, in which sewage is supplied from the water distribution pipe 27 to the jacket portion 31, and the air supply pipe 63 is arranged on the rice discharge valve 22 in a circular shape. In connection with the rice, the air is blown out from the fountain nozzle 64 to stir the rice with the stirring blades 17 so as to lift the rice, so that the rice washing action is effectively performed.

  Water supply to the rice washing tank 3 is performed not only at the time of washing the rice but also at the timing of the ignition of the rice cooking device 5 in order to prevent the rice storage tank 2 and the meter 12 from being condensed due to radiant heat during the rice cooking by the rice cooking device 5. Water is supplied to the tank 3 to prevent the heat of the rice cooker 5 from being transmitted.

  FIG. 10 shows a state in which the display lid 75 of the operation panel (operation display device) 11 is closed (FIG. 10A) and an open state (FIG. 10B). A process display screen 71, a reservation switch 78, a switch group 79, a start switch 80, and a help switch 81 are arranged above the operation panel 11, and a liquid crystal display screen 72 is provided below. The process display screen 71 displays the preliminary process consisting of rice weighing, washing, and soaking, and the cooking process consisting of preparing, soaking, igniting, rice cooking, uneven cooking, and cooking after cooking. It is possible to easily recognize the driving state by turning on the LED 77 provided in the vicinity of the process display portion so that it can be identified and emitting light in two colors of green in a normal driver's seat state and red in an abnormal state. I have to.

  When the display lid 75 shown in FIG. 10A is closed, the liquid crystal display screen 72 displays the normal operation display screen A. In this embodiment, the cumulative number of times of rice cooking (hereinafter referred to as the cumulative number of kettles) And the number of times the rice is cooked (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. 10B shows a state in which the display lid 75 is opened. The display lid 75 is provided with a lid opening / closing detection device 76 including a reflection plate 76b that reflects the light of the photocoupler 76a and a locking portion 83. On the operation display device 11, a lid open / close detection device 76 including a photocoupler 76 a and a locking portion 83 ′ is provided at a position corresponding to the reflecting plate 76 b and the locking portion 83.

  When the display lid 75 is opened, the lid open / close detection device 76 is turned off, and the liquid crystal display screen 72 displays a screen on which the rice cooking conditions can be set immediately from the normal operation display screen A. This screen is hereinafter referred to as a rice cooking condition setting screen B. 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.

  In addition, as shown in FIG. 11, the normal operation display screen A is currently in what state the rice-washing rice cooker is in, and at that time, if treatment is required, “rice supplementation” for invoking the necessary treatment, Characters such as “stopped”, “running”, “abnormal”, “water” are displayed. Furthermore, in order to call the operator's attention, the displayed characters are reversely blinked (see FIG. 11).

  FIG. 12 shows a normal operation screen A during normal operation on the operation panel 11 of this embodiment. First, when the power switch is turned on, the normal operation display screen A, which is a standard screen, is displayed. The cooking rice for each pot, the soaking time and the steaming time are displayed. At this time, when the help switch 81 is turned ON, the current time, the method of starting operation, and that the reserved operation can be performed are displayed. Subsequently, when it is desired to change the rice cooking conditions displayed on the screen A, the display lid 75 is opened, the rice cooking condition setting screen B is displayed, and the setting conditions can be changed.

  For example, when the amount of cooked rice is changed from “5 升” to “3 升” and the mode is changed from “one pot” to “continuous”, the normal operation screen A is switched to “3 升” and “continuous”. Next, when the planned number of hooks is set from “3 hooks” to “10 hooks” using the switch group 79, the display of the planned number of hooks is changed to “10”.

  Next, when the start switch 80 is pressed, the operation is started and “in operation” is displayed. When the cooking of the pots is completed several times, for example, if the rice is in a shortage state, the display of “Driving” changes to a flashing display of “Rice Supply”. When the rice supply is over, automatic driving resumes. At this time, when the help switch 81 is pressed, the remaining time is displayed.

  During automatic operation, for example, if the hook is not ready, the “running” display flashes. Therefore, when the help switch 81 is turned on, an instruction to set the inner hook is displayed. If the ignition is in the manual mode after the inner hook is set, an ignition call sound is heard, and at the same time the “driving” display blinks to prompt ignition. When the ignition switch is turned on and the operation is resumed and a predetermined time elapses, a rice cooking completion sound is emitted, and at the same time the “driving” display blinks. When the help switch 81 is turned on, the rice cooking is completed. An instruction to do so is displayed.

  Next, the support structure of the rice storage tank 2 and the rice washing tank 3 will be described with reference to FIGS. The support machine frame 1 includes a rectangular base frame 1a, a gate-shaped upper frame 1b having a predetermined width and a predetermined height, and a plurality of horizontal rails 1c supported between the left and right upper frames 1b. Has been. The horizontal moving frame 85 that supports the rice storage tank 2 and the rice washing tank 3 is composed of an upper flat horizontal frame portion 85a and a vertical frame portion 85b connected to the rear end portion of the horizontal frame portion 85a. It is configured in an L shape. On the left and right sides of the rear end portion of the horizontal frame portion 85a, there are provided upper rollers 86,... Rotating around the horizontal axis in the front-rear direction, and rear rollers 87,. As shown in FIG. 13, the roller shaft 87a of 87,... Is loosely fitted into the hole 88a of the support plate 88, and is configured as an automatic alignment type in which the shaft core can be inclined, for example, about 6 °. A lower roller 89 that rotates around the vertical axis is provided in the lower left and right sides of the portion 85b in the same manner as the rear rollers 87,.

  Thus, the upper rollers 86,... Of the lateral movement frame 85 are placed on and contacted with the upper surface of the upper horizontal rail 1c of the upper frame 1b, and the rear rollers 87,. Then, when the lower roller 89 is brought into contact with the front surface of the intermediate horizontal rail 1c, the horizontal movement frame 85 that supports the rice storage tank 2 and supports the rice washing tank 3 in a suspended manner is the horizontal movement frame 85. Is supported so as to be movable in the horizontal direction.

  Next, the rice washing apparatus will be described with reference to FIGS. 3, 14 (a), and 14 (b). The water supply to the rice washing tank 3 is performed by supplying the water distribution pipe 26, the flow sensor 25, the upper water supply valve 33, the upper water supply route via the upper water supply port 29 on the ceiling of the rice washing tank 3, and the water distribution pipe downstream of the flow sensor 25. 26, the lower water supply route 35 branches from the lower water supply valve 35, the water distribution pipe 27, and the lower water supply route 30 through the jacket portion 31, and is arranged in parallel with the water supply pipe 27 of the lower water supply route. Is arranged such that water in the lower water supply route is sent into the jacket portion 31 and air is jetted into the jacket portion 31 from the rice drain valve 22. Each of the air supply pipes 63 is provided at a position eccentric from the center of the jacket portion 31 in FIG. 14B, so that a swirling flow in which air and water are mixed is easily generated.

  At the time of the rice washing operation in the rice washing tank 3, the rotation directions of the large and small stirring blades 17 and 17 provided on the rotary shaft 16 in the rice washing tank 3 and the water ejection directions from the lower water supply route are opposite to each other. It is configured as follows.

  At the time of washing the rice, the stirring blades 17 and 17 are rotated counterclockwise as shown in FIG. 14 (b), and water from the lower water supply route is ejected so as to rotate clockwise. Then, the rice in the rice washing tank 3 is subjected to a strong shearing action by the swirling by the stirring blades 17, 17, the swirling flow of water and the jet air from the rice draining valve 22, and a high rice washing effect can be obtained.

  When the rice washing operation is completed and the polishing water is discharged from the upper part of the rice washing tank 3, the rotation time of the stirring blades 17 and 17 and the water ejection direction of the lower water supply route are made the same to shorten the drainage time of the polishing water. can do. This is because the sharpening water in the rice washing tank 3 is pushed upward in the rice washing tank 3 by centrifugal force, so that the hulls and the like floating on the surface of the sharpening water and the sharpening water are quickly drained from the upper water distribution port 41a of the overflow pipe 41. .

  Next, an embodiment of the drive configuration of the rice drain valve 22 will be described with reference to FIGS. The drive configuration of the rice drain valve 22 is such that when the rice drain valve 22 is removed from the rice scraper shaft 16a and cleaned and then mounted again, the rice drain shaft 16a is fixed so that it does not slide up and down to facilitate mounting. Is.

  A rice draining shaft 16a is loosely fitted in the hollow rotary shaft 16 so as to be slidable up and down, and a rice draining valve 22 is attached to the lower end of the rice draining shaft 16a. An intermediate portion of a dropping arm 90 that moves up and down like a seesaw is pivotally supported on the frame, and one end of the dropping arm 90 is pin-connected to the upper end of the rice removal shaft 16a, and a roller 90b provided at the other end of the dropping arm 90 A dropping cam 24 driven by a rice drain valve driving motor 23 is linked so as to be movable, and the rice washing tank 3 is moved up and down to open and close the rice washing tank 3. A stopper 90a is provided to stop the downward rotation of the one end side of the dropping arm 90 at a predetermined position.

  A butterfly plate 92 biased by a spring 91 is attached to a portion of the dropping arm 90 where the dropping cam 24 abuts. Thus, when the dropping cam 24 rotates counterclockwise and the large diameter portion contacts the butterfly plate 92, the butterfly plate 92 retreats against the spring 91 and the large diameter of the dropping cam 24 is reached. When the part is separated, the butterfly plate 92 returns to the protruding direction by the spring 91, and the tip of the butterfly plate 92 is in contact with the small diameter portion of the dropping cam 24 in the stopped state.

  In the state shown in FIG. 15, the large-diameter portion of the dropping cam 24 abuts on the roller 90 b of the dropping arm 90, lifts the left boom of the dropping arm 90, and moves the rice removal shaft 16 a and the rice removal valve 22 through the dropping arm 90. The rice removal valve 22 is lifted and closed. Next, when the dropping cam 24 further rotates counterclockwise, it rotates while pressing the left side portion of the dropping arm 90 and contacts the butterfly plate 92. When the butterfly plate 92 rotates against the spring 91, it rotates. When the large-diameter portion moves away from the roller 90b, the left side of the dropping arm 90 is moved down by its own weight such as the rice removal valve 22, and the rice removal shaft 16a is also moved down, so that the rice removal valve 22 is opened.

  Then, as shown in FIG. 16, when the dropping cam 24 opens the rice draining valve 22 and stops at a predetermined position, the tip of the butterfly plate 92 that has been returned to the protruding direction by the spring 91 is attached to the dropping cam 24. Abutting on the small-diameter portion, the upward movement of the right side of the dropping arm 90 is restricted, and the left side of the dropping arm 90 is restricted to move downward by the stopper 91, so the movement of the rice removal shaft 16a is restricted. Thus, the rice drain valve 22 can be easily attached to and detached from the rice drain shaft 16a.

  The weight of the rice cooker 6 to which rice and water are supplied from the rice washing tank 3 is detected by a weigh scale, and the water supply and water discharge are controlled so that the amount of water is adjusted to be suitable for rice cooking. The detected value of the meter calculates the weight of rice and water by setting the weight of the rice cooker 6 before the rice and water are supplied from the rice washing tank 3 to zero.

  Next, automatic control of the rice cooker of the above embodiment will be described with reference to FIG. First, in step S1, a control computer equipped with a memory and a CPU (not shown) has a reservation time, the amount of supplied rice, the amount of water supplied to the rice washing tank, the amount of rice washing (rotation time of the stirring blade 17), the time of immersion in the rice washing tank, The operation display device 11 provided on the entire surface of the rice storage tank 2 sets conditions necessary for the operation of the rice-washing rice cooker, such as the number of times, the water supply time to the rice-washing tank, the drainage time from the rice-washing tank, and the steaming time. Then, in step S2, a clogging caution display and a failure / alarm display are made on the liquid crystal display screen 72 according to the situation.

  Thereafter, when the start switch 80 is pressed in step S3, it is determined in step S4 whether rice has been introduced from the chute 56. If this determination is YES, the process proceeds to the rice washing process in step S6. The rice in the rice tank 2 is weighed by the meter 12, the set amount of rice is supplied to the rice washing tank 3, and the rice is washed in the rice washing process in step S6.

  The rice washing process in step S6 includes a narrow rice washing process in which the rice is stirred in water and sharpened, and a rice polishing process in which the rice is stirred in a wet state. In one narrow rice washing process, the upper water supply valve 33 and the lower side While the water supply valve 35 (see FIG. 3) is opened and water is supplied to the rice washing tank 3, the stirring blade 17 is rotated for a specified time, and during that time, the soup is discharged as excess water from the overflow pipe 41 through the drain box 39 and the drain port 40, When the upper water supply valve 33 and the lower water supply valve 35 are closed after the lapse of the specified time, the stirring blade 17 is stopped, and the drain valve 44 and the water level valve 54 are opened, the jacket is removed from the filter 15 below the hopper-like portion at the bottom of the rice washing tank 3. Through the part 31, the jacket water distribution pipe 42, the drain valve 44 and the water level valve 54, the drain box 39, and the drain port 40, the tortoise is drained. The rice grains are prevented from leaking by the filter 15 during the drainage of the tofu soup and will not be washed away from the rice washing tank 3. After draining the rice washing tank 3, the stirring blade 17 is rotated for a specified time to perform the polishing process.

  As described above, the rice washing process and the rice polishing process in a narrow sense of supplying water, stirring, and draining are performed in the rice washing tank 3 for a specified number of times, and the rice washing process is terminated. In step S7, the microcomputer calculates the amount of water commensurate with the amount of rice in the rice washing tank 3, the quality of the rice, the temperature, the water temperature, etc., and measures and controls the flow sensor 25 to open and close the lower water supply valve 35. 3, and after the rice washing tank 3 is full, the water level valve 54 is opened and closed to adjust the water.

  In step S <b> 8, the washed rice in the rice washing tank 3 and the measured water in step S <b> 6 are dropped into the rice cooker 6 by opening and closing the rice drain valve 22. At this time, the rotation of the stirring blade 17 is made faster than the rotation at the time of rice washing so that the rice does not remain in the rice washing tank 3.

  In step S9, the rice in the rice cooker 6 is immersed in water for a specified time. After the specified time has elapsed, ignition is performed in step S10, rice is cooked in step S11, steamed in step S12, cooked in step S13, and predetermined cooked rice is completed (step S14).

It is a front view of the rice-washing rice cooker which shows embodiment of this invention. It is a side view of a rice-washing rice cooker. It is an expanded sectional side view of a rice-washing rice cooker. It is a top view of the principal part. It is a front view of the principal part. It is another Example sectional side view of a rice washing tank. It is the partially expanded side sectional view and external appearance perspective view of another Example of a rice washing tank. It is a partially expanded sectional view of another Example of the rice washing tank. It is a plane sectional view of the lower part of a rice washing tank. It is a figure which shows the state which closed the cover of the operation panel of the rice-washing rice cooker, and the open state. It is a figure which shows the driving | running state of the normal operation display screen of an operation panel. It is a figure which shows the normal operation screen at the time of normal operation of an operation panel. It is side surface sectional drawing of the principal part. It is the side view (a) which shows an action state, and the top view (b) which shows an action state. It is a front view which shows the action state of a rice removal valve. It is a front view which shows the action state of a rice removal valve. It is detail drawing of the drive principal part of a rice removal valve. It is an automatic control flowchart figure of a rice-washing rice cooker.

Explanation of symbols

2 Rice storage tank 3 Rice washing tank 5 Rice cooker 56 Chute 57 Rice detection sensor 58 Open / close door 59 Door sensor S External rice supply means (chute 56)
T External supply detection means (rice detection sensor 57, door sensor 59)

Claims (4)

A rice washing tank (3) is provided below the rice storage tank (2), and the rice washed by the rice washing device (5) receives rice that has been washed and dropped from the rice washing tank (2). A rice-washing rice cooker characterized in that external rice supply means (S) capable of directly supplying rice from the outside is provided in 3). Weighing the rice from the rice storage tank (2), washing the rice in the rice washing tank (3) and cooking the rice in the rice cooking device (5) are automatically controlled, and from the external rice supply means (S) the rice washing tank ( 3) Provided with an external supply detection means (T) for detecting rice supply to the automatic supply rice control in the rice storage tank (2) when the external supply detection means (T) detects the supply of rice The rice-washing rice cooker according to claim 1, wherein control is to be started from rice washing in the rice washing tank (3). The external rice supply means (S) is constituted by a chute (56) connected to the rice washing tank (3), and the external supply detection means (T) is constituted by a rice detection sensor (57) provided on the chute (56). Item 2. A rice-washing rice cooker according to item 2. The open / close door (58) for supplying rice to the rice washing tank (3) is provided, and the door sensor (59) for detecting the opening of the open / close door (58) is an external supply detection means (T). Rice-washing rice cooker.

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