JPH07110259B2 - Automatic rice cooker - Google Patents

Description

TECHNICAL FIELD The present invention relates to an automatic rice cooker used in general households.

Conventional technology Conventionally, as for the means of washing rice in an automatic rice cooker that performs washing, adding water, and cooking rice, it is common to wash with water. It has been proposed to wash using collision force. Further, as a rice washing means that does not use water, an anhydrous rice washing means has been proposed to the extent of recovering sugar adhering to the surface of rice using the suction force of a centrifugal fan.

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention In the above conventional method, a method of washing rice with water is
It is necessary to devise a post-treatment of the sharpening water after washing the rice, and because the washed rice contains moisture when it is transported to the rice cooking section, it is easy for the rice to adhere to the inner wall of the transportation route, making it smooth. There are problems such as not being able to carry out various kinds of transportation. In addition, the method of washing rice without using water not only has a problem in the degree of rice washing, but also when the rice is sent to a rice cooking pot, the noise caused by the impact of the rice colliding with the pot causes noise, and in some cases rice cracking occurs. Have problems such as.

Means for Solving the Problems The present invention solves the above-mentioned problems. With a simple structure, water is not used, rice is washed cleanly, smooth transportation is possible, noise and cracking of rice do not occur, and rice in a pot is further It is an object of the present invention to provide an automatic rice cooker capable of flattening rice.

Means for Solving the Problems In order to solve the above problems, the present invention provides a rice pot that can store rice and discharge it in predetermined amounts, and a rice polishing unit that removes the bran fraction of the rice supplied from the rice pot. A rice transfer section for transporting the polished rice, a water supply section for supplying water necessary for cooking rice, a rice cook section for cooking rice with the rice and water supplied from the rice transfer section and the water supply section, and , A weighing unit that weighs water,
And a control circuit unit for performing a series of sequence control and rice cooking control, in the sequence control of the control circuit unit,
Water is supplied to the rice cooking unit before the rice is transferred to the rice cooking unit.

Further, the present invention is configured such that the water supply process is divided into two and water is supplied even after the rice is transferred to the rice cooking unit.

Action With the above configuration, the sugar content of the rice is sufficiently removed in the rice polishing section, and since rice is washed without using water, it can be transported smoothly by the rice transfer section, and water is supplied to the pan before transferring the rice. As a result, even when rice is sent to the pan, water plays a role as a cushioning material, which can reduce noise and prevent cracking of rice.

In addition, the water supply process is divided into two times, and water is supplied even after the rice has been transferred to the rice cooking section, which acts to flatten the rice in the pan and cooks rice of uniform hardness. You can

Embodiment An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram illustrating the overall configuration and control of the automatic rice cooker of the present invention. In FIG. 1, 1 is a rice basin which can store rice and discharge a predetermined amount at a time, 2 is a rice polishing unit which removes the bran content of the rice supplied from the rice cavities 1, 3 is air transfer of the polished rice Rice transfer section 4, water supply section for supplying water necessary for rice cooking, 5 rice cooking section for cooking rice with water supplied from rice transfer section 3 and water supply section 4, 6 weighing of rice and water The weighing unit 7 for performing the above is a control circuit unit for performing a series of sequence control and rice cooking control.

FIG. 2 shows the details of the rice pot part 1, the rice polishing part 2 and the rice transfer part 3. The rice container 1 comprises a rice container 8 and a rice discharging unit 9 which measures and discharges rice in predetermined amounts. The polishing unit 2 has a polishing brush 10 with bristles on the outer periphery, a polishing motor 11 that drives the polishing brush 10, and a large number of small holes that cover the outer periphery of the polishing brush 10 and prevent rice grains from flowing out. Abrasive body 12
And a rice receiving portion that opens upward at a position below the rice discharging portion 9
It comprises a polishing rice container 17 having a rice discharge hole 14, an intake hole 15, and an exhaust hole 16, and a bran container 18 for collecting the rice bran discharged from the exhaust hole 16. The rice transfer unit 3 includes a transfer fan 19, a suction pipe 20 that connects the bran container 18 and the suction side of the transfer fan 19.
An exhaust pipe 21 provided on the exhaust side of the transfer fan 19, an ejector 22 having a structure for pneumatically feeding the rice discharged from the rice discharge hole 14 of the rice polishing container 17, and the action of the ejector 22 puts the rice into a pan. And a transportation pipe 23 for transportation.

FIG. 3 shows details of the water supply unit 4, the rice cooking unit 5, and the measuring unit 6. The water supply unit 4 includes a water tank 24 and a water supply pump.
25 and a water supply pipe 26. The rice cooking unit 5 includes a pan 27 in which the transport pipe 23 is open, a protective frame 28, and an electric heater 29. The weighing unit 6 weighs the protective frame 28 of the rice cooking unit 5 together with a weight sensor.

FIG. 4 is a flow chart showing an embodiment of the sequence of the present invention.

The operation of the above configuration will be described. When the user decides and inputs the amount of cooked rice, the control circuit unit 7 outputs a control signal to the rice box unit 1, the rice discharging unit 9 of the rice box 8 measures a predetermined amount of rice, and the rice is polished by the rice polishing unit 2 Supply to. Next, the polishing motor 11 of the polishing unit 2 is driven to rotate the polishing brush 10, and the bran and the like adhering to the surface of the rice with the polishing body 12 are removed. At the same time, the transfer fan 19 of the rice transfer section 3 is driven, air is sucked in through the intake hole 15 of the polishing container 17, and this air is exhausted through the exhaust hole 16. Bran removed from rice is exhaust hole
It passes through 16 and is collected in a bran container 18. After the rice polishing, the rice is sent from the rice discharge hole 14 to the ejector 22, and is transported to the pan 27 of the rice cooking section 5 through the transport pipe 23 by the air blow supplied from the transfer fan 19 through the exhaust pipe 21. If the lower part of the bran container 18 is configured to be removable as shown in FIG.
The bran is easy to process.

Before the rice is supplied, the pot 27 is initially supplied with water so that the rice pneumatically transported from the transport pipe 23 is supplied to the pot 27 by using water as a buffer material. Here, the rice is weighed, the amount of water required for cooking rice is calculated, and the water supply operation for the shortage is performed by subtracting the initial water supply amount. When the water supply amount reaches a predetermined amount, rice cooking operation starts.

The above operation will be supplemented with the explanation of the flowchart of FIG. Initial water is supplied to the pot by the start signal. Here, weigh the weight first, and subtract the weight of the pot to memorize the initial water supply. Next, when the rice cracking portion, the rice polishing portion, and the rice transferring portion are operated a required number of times to complete the polishing and transfer of a predetermined amount of rice, the weight is measured again to calculate the rice weight. next,
Calculate the amount of water addition and reduction corresponding to the rice weight to perform water supply operation,
When the amount of water addition and reduction reaches the target value, rice cooking operation starts.

Further, the opening of the transport pipe 23 is arranged so that the rice carried by the exhaust air of the ejector 22 faces the central part of the pot 27, but when the rice transport is over, the rice is not flat and becomes mountain-shaped. become. However, by providing water supply operation again after this process, water can be supplied from the water supply pipe 26 provided in the upper center part of the pot 27 as shown in FIG. Can be flattened. Further, by setting the second water supply method to the intermittent water supply method, the water metering can be performed more finely, so that the accuracy of water addition and improvement can be improved and a rice cooker capable of fine hardness adjustment can be realized.

EFFECTS OF THE INVENTION As described above, according to the present invention, it is possible to wash rice cleanly without using water with a simple structure, to carry out smooth transportation, and to solve the problems of noise and rice cracking. . Moreover, since the water is supplied even after the rice is transferred to the rice cooker, the rice in the rice cooker can be leveled and the rice having a uniform hardness can be cooked.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of the automatic rice cooker of the present invention, FIG. 2 is a sectional view showing the details of the rice pot portion, the rice polishing portion, and the rice transfer portion of the automatic rice cooker, and FIG. 3 is the same. Sectional drawing which shows the detail of a water supply part of an automatic rice cooker, a rice cooker, and a metering part, FIG. 4 is a flowchart which shows an example of a sequence of the same automatic rice cooker. 1 ... rice box, 2 ... rice polishing section, 3 ... rice transfer section, 4 ...
… Water supply unit, 5 …… Rice cooking unit, 6 …… Measuring unit, 7 …… Control circuit unit, 8 …… Rice bin, 9 …… Rice discharging unit, 10 …… Rice polishing brush, 11 …… Rice polishing motor, 12 …… Abrasive body, 14 …… Rice discharge hole, 15 …… Intake hole, 16 …… Exhaust hole, 17 …… Rice polishing container, 18
…… Bran container, 19 …… Transfer fan, 20 …… Suction pipe, 21
...... Exhaust pipe, 22 …… Ejector, 23 …… Transport pipe, 24 …… Water tank, 27 …… Pan, 29 …… Electric heater.

Claims (2)

[Claims] 1. A rice box part capable of storing rice and discharging it in predetermined amounts, a rice polishing part for removing the bran content of the rice supplied from the rice box part, and a rice transfer part for transferring the polished rice. , A water supply unit that supplies water necessary for rice cooking, a rice cooking unit that cooks rice with the rice and water supplied from the rice transfer unit and the water supply unit, and
It is equipped with a weighing unit for weighing water and a control circuit unit for performing a series of sequence control and rice cooking control. In the sequence control of the control circuit unit, before transferring rice to the rice cooking unit, An automatic rice cooker set to supply water. 2. The automatic rice cooker according to claim 1, wherein in the sequence control of the control circuit unit, the water supply process is divided into two times and water is supplied even after the rice is transferred to the rice cooking unit.