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Rice Cooker

A technology for rice cookers and utensils, which is applied to cooking utensils, household utensils, applications, etc., can solve the problems of fully stirring, unable to fully produce rice soup, unable to improve taste, etc., and achieve the effect of improving taste

Active Publication Date: 2017-09-26
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] As mentioned above, in the conventional rice cooker, since the pressure change in the boiling maintenance process is small and uniform, it may not be possible to fully stir the rice in the pot by utilizing the bump phenomenon caused by the pressure change in the pot.
Therefore, in the boiling maintenance process, the rice soup, which is the essence of the taste of rice, may not be fully produced, and the taste of boiled rice may not be improved.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 Embodiment approach

[0025] use Figure 1 to Figure 6 The rice cooker of 1st Embodiment of this invention is demonstrated.

[0026] figure 1 It is an overall perspective view showing the rice cooker according to the first embodiment of the present invention. figure 2 It is an exploded perspective view showing the rice cooker of 1st Embodiment of this invention. image 3 It is an overall sectional view showing the rice cooker according to the first embodiment of the present invention. Figure 4A It is a bottom perspective view which shows the state of the inner cover of the rice cooker which concerns on 1st Embodiment of this invention seen from a pot side. Figure 4B It is a top perspective view which shows the state of the inner cover of the rice cooker which concerns on 1st Embodiment of this invention seen from a cover body side. Figure 5 It is an exploded perspective view which shows the pressure regulator part of the rice cooker which concerns on 1st Embodiment of this invention. and,...

no. 2 Embodiment approach

[0096] Below, use Figure 7 2nd Embodiment of the rice cooker which concerns on this invention is demonstrated. In addition, the same code|symbol is attached|subjected to the same component as the said 1st Embodiment, and the description is abbreviate|omitted.

[0097] Figure 7 It is a figure which shows the temperature and pressure change in the pot in the rice cooking process of the rice cooker which concerns on this embodiment.

[0098] In this embodiment, the control unit 6 controls the pressure regulating valve unit 15 by controlling the pressure regulating valve drive unit 19 so that the decompression speed from the fourth pressure P4 to the first pressure P1 in the third pressure regulating step is faster than that of the first pressure P1. The rate of decompression from the second pressure P2 to the first pressure P1 in the 1 pressure adjustment step is slow.

[0099] Specifically, the control unit 6 controls the pressure regulating valve driving unit 19 so that th...

no. 3 Embodiment approach

[0103] 3rd Embodiment of the rice cooker of this invention is demonstrated below. In addition, the same code|symbol is attached|subjected to the same component as said 1st Embodiment and 2nd Embodiment, and description is abbreviate|omitted.

[0104] In the present embodiment, the control unit 6 controls the pressure regulating valve unit 15 by controlling the pressure regulating valve driving unit 19 at a time when the water in the pot 2 decreases after a predetermined time has elapsed from the start of the boiling maintaining process, and executes Pressure reduction from the fourth pressure P4 to the first pressure P1 in the third pressure adjustment step. Furthermore, when the time from the start of the boiling maintaining step to the execution of the decompression from the fourth pressure P4 to the first pressure P1 in the third pressure regulating step is a predetermined time ts, the control unit 6 sets the predetermined time to ts. The ts control is more than 90 seconds...

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Abstract

The invention provides a rice cooker. The cooker comprises the following components: a rice cooker main body; a pot accommodated in the rice cooker main body; a heating part for heating the pot; a pressure adjustment part for adjusting the pressure in the pot; a control part for controlling the heating part and the pressure adjusting part. In a boiling maintaining process, a first pressure adjusting process, a second pressure adjusting process and a third pressure adjusting process are carried out in order by the control part. The first pressure adjusting process is as follows: boosting the pressure in the pan from the first pressure to the second pressure and then reducing the pressure to the first pressure; a second pressure adjusting step is as follows: increasing the pressure in the pot from the first pressure to a third pressure lower than the second pressure and thereafter reducing the pressure in the pot to the first pressure; and a third pressure adjusting step is as follows: increasing the pressure from the first pressure to a fourth pressure higher than the third pressure and lower than the second pressure and then reducing the pressure to the first pressure.

Description

technical field [0001] The present invention relates to a rice cooker. Background technique [0002] In the past, in this kind of rice cooker, as shown in Japanese Patent Laid-Open No. 2004-081824, in order to cook rice without being caught raw, and to make the upper surface of the cooked rice flat to achieve a visually delicious effect, it is proposed In the boiling maintaining process in which the object to be cooked in the pot reaches the boiling temperature by heating, the pressure in the pot during boiling is changed. [0003] Specifically, as Figure 8 As shown, the conventional rice cooker has: a pot 200, which accommodates the cooked objects including water and rice; a heating part 201, which heats the cooked objects in the pot 200; a lid body 202, which closes the opening of the pot 200 part; and a pressure valve 204, which has an opening and closing mechanism that communicates or cuts off the inside of the pot 200 with the outside air, so that the pressure in the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A47J27/08
CPCA47J27/08A47J27/0802
Inventor 西本夕纪子塚原知里堀内美和
Owner PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
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