JPH0548822U - Fully automatic rice cooker - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a sanitary fully-automatic rice cooker in which the rice washing section is effectively washed. [Structure] Inside the main body, rice storage unit 1, rice washing unit 2, rice cooking unit 14
In a fully automatic rice cooker that includes a water supply unit 3 and automatically performs a series of operations from rice supply to rice cooking, the washing unit 2 or the water supply unit 3 is provided with heating means, and hot water heated by the heating means is provided. The washing process for washing the rice washing section 2 and the drainage pipes 10, 11, 12 is provided. Further, a washing water pipe 16 for branching from the water supply unit 3 to supply washing water to the rice washing unit 2 is provided, and a heating unit is provided in the washing water pipe line 16 to wash the rice washing unit 2 with hot water heated by the heating unit. And drainage line 1
A cleaning process for cleaning 0, 11, and 12 may be provided. Further, a water heating tank 18 is provided in the washing water pipeline 16, and the heating means 23 is provided in the water heating tank 18.
May be provided.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a fully automatic rice cooker that automatically performs a series of operations from rice supply to rice cooking.

[0002]

[Prior Art]

 In the conventional fully automatic rice cooker, as shown in FIG. 4, a set amount of rice is supplied from the rice storing section 1 to the rice washing section 2 and the water supply valves 4 and 3 provided on the water supply pipe 3 are provided. When tap water is supplied to the rice washing unit 2 through the switching valve 5 and the water purifier 6, the stirring blade 7 is rotated by the stirring motor 8 to wash rice. The water that overflows from the rice washing unit 2 is temporarily stored in the drainage tank 10 via the overflow pipe 9 and discharged to the outside via the drainage pipe 12 by the drainage pump 11. When the washing of rice is completed, the ball valve 13 provided at the bottom of the washing unit 2 is opened and the washed rice and water are introduced into the rice cooking unit 14 to cook rice. Next, the three-way switching valve 5 is switched to the cleaning side, tap water is supplied to the drainage tank 10 via the cleaning pipe 15, and when a certain amount is accumulated, it is discharged to the outside via the drainage pipe 16 by the drainage pump 11. It As a result, the drain tank 10 and the drain pipe 12 are washed.

[0003]

[Problems to be solved by the device]

 However, in the conventional fully-automatic rice cooker, only the drainage tank 10 and the drainage pipe 12 are washed, and the rice washing section 2 is not washed. Therefore, the dirt remains on the inner surface of the rice washing section, and this dirt is removed during the next rice washing. There is a risk that it will not fall and it is unsanitary. Also, the main component of dirt is the oil content of rice sugar, which cannot be effectively removed with tap water at room temperature. Especially when the water temperature is low in winter, the cleaning effect is further reduced. It is an object of the present invention to solve such a problem, and an object thereof is to provide a sanitary fully-automatic rice cooker in which a rice washing section is effectively washed.

[0004]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the present invention is a fully-automatic rice cooker that includes a rice storing unit, a rice washing unit, a rice cooking unit, and a water supply unit inside the main body, and automatically performs a series of operations from rice supply to rice cooking. A heating means is provided in the rice washing section or the water supply section, and a washing step of washing the rice washing section and the drainage pipeline with hot water heated by the heating means is provided. In addition to providing a wash water pipe branching from the water supply unit to supply the wash water to the rice wash unit, a heating means is provided in the wash water pipe line to wash the rice wash unit with the hot water heated by the heating unit. A cleaning process for cleaning the drainage pipeline may be provided. Further, a water heating tank may be provided in the washing water pipeline, and the heating means may be provided in the water heating tank.

[0005]

[Action]

 In the fully-automatic rice cooker with the above-mentioned configuration, in the washing process, not only the drainage pipe line but also the rice washing portion is washed with hot water heated by the heating means to cleanly remove dirt caused by oil content of rice sugar and sterilize it. . In addition, the temperature of the washing part of the rice and the part of the drainage pipe to be cleaned rises due to the hot water used for cleaning, so it can be dried and kept clean in a short time after cleaning.

[0006]

【Example】

 Next, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 shows a fully automatic rice cooker according to the present invention. The conventional fully automatic rice cooker of FIG. 4 is different from the conventional fully automatic rice cooker in FIG. 2 and the drain pipe 17 extending from the rice washing unit 2 to the drainage tank 10 are substantially the same, and corresponding parts are designated by the same reference numerals. The washing water pipe system 16 includes a boiling water tank 18, a washing water feed pipe 19 arranged from the three-way switching valve 5 of the feeding water pipe 3 to the vicinity of the bottom of the boiling water tank 18, and washing rice from the upper portion of the boiling water tank 18. The washing pipe 20 is provided up to the portion 2, and the drain tank washing pipe 22 is provided from the bottom of the boiling water tank 18 to the drain tank 10 via the drain valve 21.

A heater 23 for heating water inside is attached to the bottom of the water heating tank 18. Further, a water level detection switch 24 which is turned off when a predetermined water level is detected is provided above the water heating tank 18, and a temperature control which is turned off when the internal water temperature reaches a predetermined set temperature to turn off the heater 23. And a container 25 are provided. The set temperature of the temperature controller 25 is preferably 90 ° C., which is lower than the boiling point. This is because the structure becomes complicated, such as the need to install a steam discharge pipe so that the steam generated by boiling does not fill the main body with moisture. The discharge pipe 17 is arranged from one connection port of a three-way valve 26 provided at the bottom of the rice washing unit 2 to the drain tank 10. As shown in FIG. 2, the three-way valve 26 is driven by a motor 27 and has an A position where the rice washing unit 2 and the rice cooking unit 14 communicate with each other, a B position where the rice washing unit 2 communicates with the drainage tank 10 and a rice washing process. It is rotatable to the C position where the outflow from the portion 2 is stopped.

In the fully-automatic rice cooker having the above-described configuration, each valve, motor, etc. are controlled by a controller (not shown) equipped with a microcomputer, so that each process from rice supply to rice cooking is automatically performed. To be done. The washing and cooking processes are not directly related to the present invention, so the description thereof will be omitted and only the washing process will be described below according to the flowchart shown in FIG. First, in step 101, the three-way switching valve 5 is switched to the cleaning side, and in step 102 the water supply valve 4 is opened to supply tap water into the water heating tank 18. Subsequently, in step 103, it is judged whether or not the water level detection switch 24 is off, and if not, the water supply is continued. If the water level detection switch 24 is off, the water level has reached the predetermined level, so the water supply valve 4 is closed in step 104, and the heater 23 is turned on in step 105 to start boiling water.

Then, in step 106, it is judged whether or not the temperature controller 25 is off. If it is not off, the water heating is continued, and if it is off, the predetermined temperature is reached, so the heater 23 is turned off in step 107, In step 108, the water supply valve 4 opens. As a result, tap water is injected into the bottom of the water heating tank 18 and the water level rises. As a result, the upper water is introduced into the rice washing section 2 through the rice washing section washing pipe 20. Subsequently, in step 109, the stirring motor 8 is turned on, the stirring blade 7 rotates, and the inner surface of the rice washing unit 2 and the stirring blade 7 are cleaned. In step 110, a certain period of time (t ₁ ) is waited, and after this cleaning is continued, in step 111, the water supply valve 4 is closed. The water that overflows during the cleaning passes through the overflow pipe 9 and is stored in the drainage tank 10.

Next, in step 112, the three-way valve 26 is switched to the B position, that is, to the drain side, and the used wash water in the rice washing section 2 is guided to the drain tank 10 through the drain pipe 17. On the other hand, in step 113, the drain valve 21 is opened, and the lukewarm water in the boiling water tank 18 is collected in the drain tank 10. Then, in step 114, the drainage pump 11 is turned on, and the used cleaning water in the drainage tank 10 is discharged to the outside through the drainage pipe 12 while cleaning the drainage tank 10 and the drainage pipe 12. While this drainage is being performed, the agitation motor 8 is turned off in step 115, a certain time (t ₂ ) is waited in step 116, and after the water in the water heating tank 18 is exhausted, the drain valve is operated in step 117. 21 closes. Then, in step 118, as shown in FIG. 2, the three-way valve 26 is switched to the C position, that is, the stop position, the drain pump 11 is turned off in step 119, and the three-way switching valve 5 is switched to the rice cooking side in step 120. The switching is completed and the cleaning process is completed.

The above washing step is preferably performed after washing rice, before cooking rice, or after a fixed time after the completion of the cooking step, or at night. In the embodiment, the washing water pipe system 16 branched from the water supply pipe 3 is provided with the water heating tank 18, but even if such a water heating tank 18 is not provided, the pipe of the washing water pipe system 16 is surrounded. A heater may be provided or a heater may be provided outside the rice washing unit 2. Further, it is possible to provide a heater on the existing water supply pipe 3 without providing the cleaning water pipe system 16 as in the above-mentioned embodiment.

[0012]

[Effect of the device]

 As is clear from the above description, according to the present invention, the hot water heated by the heating means cleans the washing part of the rice and the drainage line, removes the dirt due to the oil, and sterilizes, which is sanitary. In addition, since it is washed with hot water, the portion to be cleaned has the effect of being dried and kept clean in a short time.

[Brief description of drawings]

FIG. 1 is a schematic view of a fully automatic rice cooker according to the present invention.

FIG. 2 is a cross-sectional view for explaining the operation of the three-way switching valve.

FIG. 3 is a flowchart of a cleaning process.

FIG. 4 is a schematic view of a conventional fully automatic rice cooker.

[Explanation of symbols]

1 ... rice storage department, 2 ... rice cleaning department, 3 ... water supply pipe,
14 ... Rice cooking unit, 16 ... Washing water pipe system, 18
... Boiler tank, 23 ... Heater (heating means).

Claims (3)

[Scope of utility model registration request] 1. A fully automatic rice cooker that includes a rice storage unit, a rice washing unit, a rice cooking unit and a water supply unit inside the main body, and automatically performs a series of operations from rice supply to rice cooking, in the rice washing unit or the water supply unit. A fully automatic rice cooker comprising a heating means and a washing step of washing the rice washing part and the drainage pipe with hot water heated by the heating means. 2. A fully automatic rice cooker that has a rice storing section, a rice washing section, a rice cooking section and a water supply section inside the main body, and which automatically performs a series of operations from rice supply to rice cooking, with a branch from the water supply section. A washing water pipeline for supplying washing water to the rice washing section was provided, a heating means was provided in the washing water pipeline, and a washing step was provided for washing the rice washing section and the drainage pipeline with hot water heated by the heating means. Fully automatic rice cooker. 3. The fully automatic rice cooker according to claim 2, wherein a water heating tank is provided in the washing water conduit and the heating means is provided in the water heating tank.