CN109984570B

CN109984570B - Upper water feeding type rice cooker capable of boiling before steaming and rice cooking method

Info

Publication number: CN109984570B
Application number: CN201910353394.1A
Authority: CN
Inventors: 刘刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2023-12-26
Anticipated expiration: 2039-04-29
Also published as: CN109984570A

Abstract

The invention discloses an upper water feeding type rice cooker which is boiled firstly and steamed later, comprising a cooker body and a steamer; the pot body comprises a shell and an inner container; the inner container is arranged in the shell; the steamer is arranged in the inner container; a gap is formed between the inner side wall of the inner container and the outer side wall of the steamer; the steamer is provided with an upper water hole and a lower water hole; the water feeding holes and the water discharging holes penetrate through the side wall of the steamer. The invention also provides a rice cooking method. The upper water feeding type rice cooker capable of firstly cooking and then steaming ensures that all rice grains fully absorb water by firstly cooking and then steaming rice, so that the cooked rice does not have the phenomenon of white cores or undercooking, and the phenomenon that rice sticks to the cooker to form rice crust is avoided by adopting the steamer.

Description

Upper water feeding type rice cooker capable of boiling before steaming and rice cooking method

Technical Field

The invention relates to the technical field of rice cooking, in particular to a water-feeding type rice cooker capable of cooking firstly and then steaming and a rice cooking method.

Background

The electric cooker is a modern cooker capable of performing various processing such as steaming, boiling, stewing and stewing, not only can cook food, but also can preserve heat, is clean and sanitary to use, has no pollution, saves time and labor, is one of the tools necessary for modernization of household labor, but when the existing electric cooker is used for a lot of cooking, the phenomenon of insufficient white core exists due to insufficient water absorption of upper rice, the quality of rice is affected, the lowest rice is easy to form a layer of rice crust due to repeated heat preservation and heating, the lowest rice is bitter and astringent after eating, the rice crust is chewed and burnt, and people only need to discard the rice crust, so that great waste is caused.

Disclosure of Invention

Aiming at the defects of the prior art, the invention discloses an upper water feeding type rice cooker which is boiled firstly and steamed later, comprising a cooker body and a steamer; the pot body comprises a shell and an inner container; the inner container is arranged in the shell; the steamer is arranged in the inner container; a gap is formed between the inner side wall of the inner container and the outer side wall of the steamer; the steamer is provided with an upper water hole and a lower water hole; the water feeding holes and the water discharging holes penetrate through the side wall of the steamer.

According to an embodiment of the present invention, a cavity is formed between the inner container and the outer shell, and a heat insulating member is disposed in the cavity.

According to an embodiment of the present invention, a heating element is disposed at the bottom of the inner container, and the heating element is located in the cavity.

According to an embodiment of the present invention, the sidewall of the liner is provided with an anti-overflow detecting member.

According to an embodiment of the invention, the inner side wall of the inner container is provided with a boss, and the steamer is provided with a boss; the convex part is arranged on the boss.

According to an embodiment of the present invention, the convex portion is provided with a handle.

According to an embodiment of the present invention, a temperature sensor is disposed at the bottom of the liner.

According to an embodiment of the present invention, a handle is provided on an outer side wall of the housing.

According to an embodiment of the present invention, the rice cooker further comprises a cover; the pot cover is hinged with the shell.

The invention also provides a rice cooking method, which comprises the following steps:

placing the cleaned rice into a steamer;

putting the steamer into the inner container;

water which is flush with rice in the steamer is injected into the inner container;

the heating element at the bottom of the inner container is electrified and heated to boil water;

bubbles are generated in the boiling water boiling process, and the bubbles drive water to flow along a gap between the inner side wall of the liner and the outer side wall of the steamer;

flowing water enters the steamer through the water inlet holes on the side wall of the steamer, so that rice on the upper layer in the steamer fully absorbs water, and redundant water is discharged back into the liner through the water outlet holes on the side wall of the steamer;

and (5) continuing heating after water feeding is completed, and steaming all rice grains.

The beneficial effects of the invention are as follows: the upper water feeding type rice cooker capable of firstly cooking and then steaming ensures that all rice grains fully absorb water by firstly cooking and then steaming rice, so that the cooked rice does not have the phenomenon of white cores or undercooking, and the phenomenon that rice sticks to the cooker to form rice crust is avoided by adopting the steamer.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

FIG. 1 is a perspective view of a water feeding type rice cooker with first and then steaming in an embodiment of the present invention;

fig. 2 is a cross-sectional view of an upper water feeding type rice cooker of the present invention, which is cooked first and then.

Detailed Description

Various embodiments of the invention are disclosed in the following drawings, in which details of the practice are set forth in the following description for the purpose of clarity. However, it should be understood that these practical details are not to be taken as limiting the invention. That is, in some embodiments of the invention, these practical details are unnecessary. Moreover, for the purpose of simplifying the drawings, some conventional structures and components are shown in the drawings in a simplified schematic manner.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the invention solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.

For a further understanding of the nature, features, and efficacy of the present invention, the following examples are set forth in order to provide a further understanding of the invention, and are intended to be described in connection with the accompanying drawings:

referring to fig. 1 and 2, fig. 1 is a perspective view of an upper water feeding type rice cooker 1 which is boiled and steamed in advance in an embodiment of the invention; fig. 2 is a sectional view of the upper water feeding type rice cooker 1 of the embodiment of the present invention, which is boiled and steamed. As shown in the figure, the rice cooker 1 of the present application includes a cooker body 11, a basket 12, and a controller. The pan body 11 includes an outer shell 111 and an inner liner 112. The liner 112 is disposed within the housing 111. The steamer 12 is disposed in the inner liner 112. A gap 14 is provided between the inner side wall of the liner 112 and the outer side wall of the basket 12. The steamer 12 has an upper water hole 121 and a lower water hole 122, and the upper water hole 121 and the lower water hole 122 penetrate through the side wall of the steamer 12.

In particular applications, the diameter of the downcomer 122 is smaller than the smallest diameter of the rice kernels to prevent the rice kernels from falling out of the downcomer 122.

Preferably, the outer shell 111, the inner liner 112, and the basket 12 are all made of stainless steel. The stainless steel has good performance and stainless property of resisting weak corrosive media such as air, steam, water and the like, and can effectively prolong the service life of the shell 111, the liner 112 or the steamer 12.

Preferably, the rice cooking pot 1 further comprises a pot cover 13, the pot cover 13 is hinged to the outer shell 111, and the pot cover 13 can be used for keeping the temperature of substances in the pot and preventing the substances in the pot from splashing due to heat and other factors. In specific application, the pot cover 13 is provided with an air outlet 131, and the air outlet 131 is used for discharging steam in the pot to prevent the excessive pressure in the pot.

Preferably, the lid 13 further has a handle 132, and the handle 132 facilitates the user to open and close the lid 13, preventing the high temperature lid from scalding the user.

In a specific application, a cavity is formed between the liner 112 and the shell 111, and a heat insulating member 113 is arranged in the cavity. The heat insulating member 113 is used for separating the inner container 112 from the outside, so as to obtain a good heat insulating effect. Preferably, the heat insulating piece 113 is made of heat insulating cotton, which is high temperature resistant, not easy to burn and low in heat conductivity coefficient; of course, other insulating materials may be used for the insulating member 113.

In a specific application, the bottom of the liner 112 is provided with a heating element 15, the heating element 15 is located in the cavity, and the heating element 15 is electrically connected with the controller. The controller controls the heating element 15 to heat or preserve heat of the water in the inner container 112 during use. Preferably, the heating element 15 is a bottom-covered electrothermal disk, which has large heating area and high heat conduction efficiency, and can uniformly heat the inner container 112.

In a specific application, the inner side wall of the liner 112 is provided with a boss 1121, the steamer 12 is provided with a convex part 123, the convex part 123 is arranged on the boss 1121, and the boss 1121 fixes the steamer 12 at a preset position. Preferably, when the protrusion 123 is disposed on the boss 1121, the distance between the bottom of the steamer 12 and the bottom of the liner 112 is between 5 cm and 8.5 cm, which may be 5 cm, 6 cm, 7 cm, 8 cm, etc., and in this embodiment, 5 cm is selected.

Preferably, the protrusion 123 is provided with a handle (not shown). The handles facilitate access to the basket 12 by a user. In this embodiment, the number of the handles is two, and the two handles are disposed opposite to each other, which, of course, can be adaptively increased or decreased according to the requirement.

Preferably, the side wall of the liner 112 is provided with an anti-overflow detecting member 16, the anti-overflow detecting member 16 is located above the steamer 12, and the anti-overflow detecting member 16 is electrically connected with the controller. The anti-overflow detecting member 16 can detect the water level in the heating process, when the water reaches the height of the anti-overflow detecting member 16, the anti-overflow detecting member 16 sends a signal to the controller, the controller controls the heating member 15 to cool down or stop working, and when the water level is lower than the anti-overflow detecting member 16, the controller controls the heating member 15 to continue heating the water in the inner container 112, so that the water is prevented from overflowing from the inner container 112. Specifically, the overflow preventing detecting member 16 is a water level sensor.

Preferably, a temperature sensor 17 is arranged at the bottom of the inner container 112, the temperature sensor 17 is electrically connected with a controller, the temperature sensor 17 is used for detecting the water temperature in the inner container 112, when the water temperature is lower than a preset temperature, the temperature sensor 17 sends a signal to the controller, and the controller controls the heating element 15 to heat the inner container 112, so that the water temperature rises to the preset temperature, and heat preservation of rice is realized.

Preferably, the outer side wall of the housing 111 is provided with a handle 18. The handle 18 is convenient for a user to move and carry the rice cooker 1 and is convenient to use. In the present embodiment, the number of the handles 18 is two, and the two handles 18 are disposed opposite to the outer side wall of the housing 111, however, the number of the handles 18 may be adaptively increased or decreased according to the requirement, which is just an embodiment of the present invention, and the present invention is not limited thereto.

The invention also provides a rice cooking method of the rice cooker 1 using the water feeding type first cooking and then steaming, which specifically comprises the following steps:

step 1: placing the cleaned rice into a steamer 12;

step 2: placing the steamer 12 into the liner 112 of the pot body 11, wherein the convex part 123 of the steamer 12 is overlapped with the boss 1121;

step 3: water flush with rice in the steamer 12 is injected into the liner 112;

step 4: the heating element 15 at the bottom of the inner container 112 is electrified to heat so as to boil water;

step 5: bubbles are generated in the boiling water boiling process, and the bubbles drive water to flow along a gap between the inner side wall of the liner 112 of the pot body 11 and the outer side wall of the steamer 12;

step 6: flowing water enters the steamer 12 through the water inlet 121 on the side wall of the steamer 12, so that the rice on the upper layer in the steamer 12 fully absorbs water, and the redundant water is discharged back into the liner 112 through the water outlet 122 on the side wall of the steamer 12;

step 7: and (5) continuing heating after water feeding is completed, and steaming all rice grains.

Preferably, the boiling water is boiled for 25 minutes.

Preferably, the rice taste liked by the south can be achieved when the water-up time is 6 minutes, and the rice taste liked by the north can be achieved when the water-up time is 7-8 minutes.

Preferably, the rice steaming time after the water supply is completed is 15 minutes.

Preferably, water enters the steamer 12 through the water feeding holes 121 in the water feeding process, rice grains in the steamer 12 fully absorb water, unabsorbed water flows back into the inner container 112 through the water discharging holes 122, and the water circulates in such a way that starch in the rice grains returns into the inner container 112 along with water flow, so that the effect of reducing sugar is achieved.

Preferably, after the rice is steamed, at this time, the height of the residual water in the inner container 112 is greater than 1 cm and less than 5 cm, which may be 2 cm, 3 cm or 4 cm, and in this embodiment, the height of the residual water level is 3 cm, and the heat preservation of the rice is achieved by the water with the residual water level of 3 cm.

In summary, in one or more embodiments of the present invention, the upper water-feeding type rice cooker with first cooking and then steaming makes all rice grains fully absorb water by first cooking and then steaming rice, so that the cooked rice has no phenomenon of white core or no phenomenon of no cooking, and the phenomenon that rice sticks to the cooker to form rice crust is avoided by adopting the steamer.

The above are merely embodiments of the present invention, and are not intended to limit the present invention. Various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are to be included in the scope of the claims of the present invention.

Claims

1. An upper water feeding type rice cooker which is boiled before boiling, characterized by comprising: a pot body, a steamer and a pot cover; the pot body comprises a shell and an inner container; the inner container is arranged in the shell; the steamer is arranged in the inner container; a gap is formed between the inner side wall of the inner container and the outer side wall of the steamer; the steamer is provided with an upper water hole and a lower water hole; the water inlet holes and the water outlet holes penetrate through the side wall of the steamer; a cavity is formed between the inner container and the shell, and a heat insulation piece is arranged in the cavity; the bottom of the inner container is provided with a heating element, and the heating element is positioned in the cavity; the side wall of the inner container is provided with an overflow-preventing detection piece; a boss is arranged on the inner side wall of the inner container, and the steamer is provided with a convex part; the convex part is arranged on the boss; the convex part is provided with a handle; the bottom of the inner container is provided with a temperature sensor; the outer side wall of the shell is provided with a handle; the pot cover is hinged with the shell.

2. A cooking method using the upper water feeding type rice cooker of the cooking-before-steaming type according to claim 1, comprising the steps of:

placing the cleaned rice into the steamer;

placing the steamer in the liner;

water flush with the rice in the steamer is injected into the inner container;

bubbles are generated in the boiling water boiling process, and the bubbles drive water to flow along a gap between the inner side wall of the inner container and the outer side wall of the steamer;