JPH0767417B2 - Automatic rice cooker - Google Patents

Description

TECHNICAL FIELD The present invention relates to an automatic rice cooker that automatically performs washing from rice to cooking rice.

2. Description of the Related Art Conventionally, an automatic rice cooker of this type has a structure shown in FIG. 3, as disclosed in Japanese Utility Model Laid-Open No. 51-45989.

That is, in FIG. 3, a rice vine 2 for storing rice is provided at the bottom of the main body 1. On the upper part of the main body 1 above the rice bits 2, a rice cooking part 3 which can be freely inserted and removed is provided. Reference numeral 4 denotes a cylindrical body 7 extending from the vicinity of the bottom surface 5 of the rice bit 2 above the rice cooking unit 3 and having a rotatable screw 6 therein.
And a screw guide which is a rice measuring and conveying means composed of a chute 8 projecting from the upper end of the cylindrical body 7 toward the rice cooking unit 3. In other words, this screw guide 8 first measures the rice in the rice bits 2 to the rice cooking section 3.
Transport. Then, after the rice is weighed and conveyed, the rotary blade 11 inserted into the rice cooking pot 10 while the lid 9 provided in the rice cooking unit 3 is opened.
Rice washing means 12 provided with, a water tank 13 provided at the upper end of the main body 1, and a water supply hose 14 extending below the water tank 13.
Water supply means that guides the water into the rice cooker pot 10 through its own weight
15 and washed with rice. Further, one of the rotary vanes 11 is opened in the vicinity of the rotary vane 11 and the other end of the rotary vane 11 is opened, and the other end of the rotary vane 11 is drained. The rice was cooked by the start.

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention In the conventional automatic rice cooker, first, rice is measured and conveyed from the rice bits 2 into the rice cooking pot 10 by the screw guide 4, and then the water in the water tank 13 is supplied into the rice cooking pot 10. After that, the rice is washed, the washing water is drained, the cooking water is weighed, and then the rice is cooked. Then, the steps of transporting rice, weighing, water supply, washing rice, and cooking rice are divided and proceeded sequentially. And the time to complete cooking was never short. In addition, in order to shorten the time required to complete the cooking with the conventional configuration, it is necessary to shorten the time for each of the above steps, and as a result, for example, the rice is incompletely washed and the taste deteriorates. Realization was impossible.

The present invention has been made in consideration of the above-mentioned conventional problems, and an object of the present invention is to provide an automatic rice cooker capable of completing cooking in a short time without deteriorating the taste.

Means for Solving the Problems In order to solve the above problems, the present invention provides a rice cooking section including a rice cooking pot, a rice pot section for storing rice used for rice cooking, and the rice stored in the rice pot section is conveyed to the rice cooking section. A means for transporting rice, a means for washing rice for washing rice, a water tank portion for storing water used for cooking rice, a water supply means for sending water stored in the water tank portion to the rice cooking portion, and a heating means for heating a rice cooking pot. A rice measuring means for measuring the amount of rice to be cooked and a water measuring means for measuring the amount of water to be stored in the water tank part, and the rice cooked during the rice washing by the rice washing means or the rice transportation by the rice conveying means. The cooking water previously supplied to the pan is heated to a predetermined water temperature by the heating means.

With the above-described structure, the predetermined rice is conveyed by the conveying means and the rice measuring means, and the washed rice or the predetermined rice is conveyed by the washing means, and at the same time, the cooking water stored in the water tank section is heated by the heating means to a predetermined temperature. After boiling, the rice can be cooked in a short time.

Embodiment An embodiment of the present invention will be described below with reference to FIGS. 1 and 2.

In FIG. 1, reference numeral 31 is a rice cooking section, which includes a rice cooking pot 32, a rice cooking heater 33, a heat retaining heater 34, a pan sensor 35 for detecting the temperature of the rice cooking pot 32, and a lid 36. Reference numeral 37 denotes a rice washing part detachably provided on the lid 36, which has a cylindrical rice washing cylinder 38, a conical ben 39 which is watertightly sealed at the lower end thereof by inscribing the rice washing cylinder 38, and this ben 39 Is removed from the rice-washing cylinder 38 and pushed downward, and the rice-washing actuator 40 such as a solenoid for dropping the rice in the rice-washing cylinder 38 into the rice cooking pot 32 and the rice-washing cylinder 38 above the Ben 39 are communicated with And a drainage pipe 42 provided with a water shutoff valve 41.

43 is a rice bite, which has an inclined bottom that descends toward the center
A rice weighing unit having a weighing chamber 47 and an opening / closing plate 46 for opening and closing a communication port with the bottom 44 above the weighing actuator 45 such as a solenoid is integrally provided under the 44. That is, the volume of the measuring chamber 47 is set to, for example, 0.5 go, and the opening / closing plate 46 is repeatedly opened and closed to measure the desired amount of cooked rice. 48 is a rice polishing department, and the above-mentioned weighing room
A brush 50 and a motor 51 for polishing the rice by rotating the brush 50 inside a polishing cylinder 49 whose one end is located below 47.
Is equipped with. Reference numeral 52 denotes a rice transport unit, a transport body 54 having a transport belt 53 installed therein, a shooter 55 that guides the other end of the polishing cylinder 49 to the lower end of the transport body 54, and the rice washing cylinder from the upper end of the transport body 54. A screw 56 that leads to the rice 38 is provided, and the rice is conveyed by driving the conveyor belt 53 and the screw 56 also as the motor 51 for polishing rice. 57 is a water tank,
An electrode 58 for measuring capacitance, which is a water measuring means, is provided on the side wall thereof.
Equipped with. From the bottom of the water tank 57, 59 is the rice washing cylinder 38
It is a water supply pipe that is installed above and is provided with a water supply pump 60 on the way. Reference numeral 61 is a tank water supply valve for supplying water from the tap water to the water tank 57, and 62 is a drainage tank for storing the drainage water from the rice washing section 37 through a drainage pipe 42 and further using a drainage pump 63 outside the main body. Drain to.

The operation of the above configuration will be described with reference to FIG. First, prepare rice by putting rice in rice 43. Next, a desired amount of cooked rice is keyed in with the operation unit (not shown), and the start switch is turned on to start. Then first the tank water supply valve
61 is opened and water is supplied to the water tank 57. Here, in the water tank 57, a predetermined cooking water corresponding to a desired amount of cooked rice is measured by a capacitance measuring circuit (not shown) using the electrode 58 as a water level sensor. Next, the measured cooked rice water is sent to the cooked rice pot 32 by the water supply pump 60 through the rice washing cylinder 38. At this time the rice washing department
At 37, the Ben 39 is pushed down by the rice washing actuator 40 to be removed from the rice washing cylinder 38, and the water shutoff valve 41 is closed so that the rice cooking water is reliably sent to the rice cooking pot 32 without flowing out from the drain pipe 42. When the water supply of the cooked water is completed, the rice cooking heater 33 in the rice cooking unit 31 is energized to start boiling the cooked water, and the pan sensor 35 controls the temperature to a predetermined temperature.
On the other hand, in the water tank 57, water is supplied again via the tank water supply valve 61, and this time, the washing water is measured in the same manner as the cooking water. Almost at the same time, in the rice weighing unit, the weighing actuator 45 operates and weighs the number of times according to the desired amount of cooked rice, and drops the rice to the rice polishing unit 48. Further, in the rice polishing section 48, the motor 51 is also started at the same time, and the rice sent from the rice weighing chamber 47 is ground and sent to the shooter 55. In the rice transport unit 52, the conveyor belt 53 and the screw 56 are driven when the motor 51 is started, and the rice flowing into the transport main body 54 from the shooter 55 is sequentially transported to the rice washing chamber 37. The rice conveyed to the rice washing chamber 37 is washed with the rice washing water supplied from the water tank 57 by the water supply pump 60 every 0.5 times in synchronization with the weighing actuator 45 of the rice measuring unit, and then the rice is washed by the rice washing actuator 40. Push down 39 to wash rice from inside the washing cylinder 38
Drop to. That is, in this rice washing section, the washing and dropping operations are repeated as many times as the desired amount of cooked rice to complete the rice washing. Then, the rice cooking is started according to the completion of this washing.

As described above, according to the present embodiment, first, the water tank 57 which is the water measuring means, the electrode 58, and the water supply pump 6 which is the water supply means.
The predetermined amount of cooking water supplied to the rice cooking pot 32 by 0 is transferred to a predetermined amount by the conveyor belt 53 which is the rice conveying means, the screw 56, and the measuring actuator 45 which is the rice measuring means, the opening and closing plate 46, and the measuring chamber 47. Rice transport and rice washing cylinders
At the same time as washing rice by Ben 38 and Ben 39, boiling water to a predetermined temperature is started by the rice cooking heater 33 which is a heating means, and the rice is boiled to a predetermined temperature while carrying rice and washing rice. Can be done in a short time.

In the present embodiment, the boiling of the cooking water is started at the same time as the start of rice transportation / washing, but the time required for rice transportation / washing is longer than the time required for boiling the cooking water to a predetermined temperature. For example, it goes without saying that it is only necessary to set the energization start time of the rice cooking heater 33 by back-calculating the time when the boiling water of the rice cooking water is completed at the predetermined temperature when the rice washing is completed. In addition, the relationship of each of the above times may be in any state, and further, rice transportation / washing (or washing / rice transportation) may proceed in different steps. It suffices that boiling water is boiled at the same time as any of the steps of washing rice, and there is no difference in the action and effect.

EFFECTS OF THE INVENTION As is clear from the above description of the embodiments, the present invention conveys the rice cooker including the rice cooker, the rice pot storing rice used for rice cooking, and the rice stored in the rice pot to the rice cooker. A means for transporting rice, a means for washing rice for washing rice, a water tank portion for storing water used for cooking rice, a water supply means for sending water stored in the water tank portion to the rice cooking portion, and a heating means for heating a rice cooking pot. A rice measuring means for measuring the amount of rice to be cooked and a water measuring means for measuring the amount of water to be stored in the water tank part, and the rice cooked during the rice washing by the rice washing means or the rice transportation by the rice conveying means. The cooking water previously supplied to the pan will be heated to a predetermined water temperature by the heating means, and it is possible to simultaneously carry the rice washing or the rice for washing rice and the pre-cooking step that is part of the rice cooking step. As a result, to the rice cooker It is possible to shorten the time of the rice cooking process after the transportation of the washed rice is completed.

[Brief description of drawings]

FIG. 1 is a block diagram of an automatic rice cooker showing an embodiment of the present invention,
FIG. 2 is a cooking process diagram of an automatic rice cooker showing an embodiment of the present invention, and FIG. 3 is a sectional view of a main part of a conventional automatic rice cooker. 31 …… rice cooker, 32 …… rice cooker, 33 …… rice cooker, 37…
... rice washing department, 38 ... rice washing cylinder, 39 ... Ben, 43 ... rice bits,
45 …… Weighing actuator, 46 …… Opening / closing plate, 47 …… Weighing chamber, 51 …… Motor, 52 …… Conveying section, 53 …… Conveying belt,
56 …… Screw, 57 …… Water tank, 58 …… Electrode, 59…
… Water supply pipe, 60… water supply pump.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Masatoshi Yagi 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (56) Reference JP 62-41617 (JP, A) JP S61-276519 (JP, A) JP-A-61-276521 (JP, A)

Claims (1)

[Claims] 1. A rice cooking unit having a rice cooking pot, a rice pot for storing rice used for rice cooking, a rice transporting unit for transporting the rice stored in the rice pot to the rice cooking unit, and a rice washing unit for washing rice.
A water tank part for storing water used for cooking rice, a water supply means for sending water stored in the water tank part to the rice cooking part, a heating means for heating a rice cooking pot, and a rice measuring means for measuring the amount of rice to be cooked. , A water measuring unit for measuring the amount of water to be stored in the water tank unit, and during the rice washing by the rice washing unit or the rice transportation by the rice transportation unit, the cooking water previously supplied to the rice cooking pot by the heating unit. An automatic rice cooker that is heated to a specified water temperature.