JPH0632016Y2 - rice cooker - Google Patents

Description

[Detailed Description of the Invention] [Object of the Invention] (Field of Industrial Application) The present invention relates to a radiant heating type rice cooker.

(Prior Art) In a conventional radiant heating type rice cooker, as shown in FIG. 2, a container 1 which is a pot is housed in a container body 2, and heating is performed between a side portion and a bottom portion between the container 1 and the container body 2. The space 3 is formed and the container body 2
A heating element 4 such as a sheathed heater is attached to the bottom of the container, and a heat sensitive element 5 for controlling the heating element 4 is pressed against the bottom of the container 1.

Further, in the hot plate type rice cooker, as shown in FIG. 3, the container 7 is housed in the main body 6 and the hot plate 8 is attached to the bottom of the main body 6 so as to abut the bottom of the container 7. A heating element 10 for controlling the heating element 9 of the heating plate 8 is pressed against the bottom of the container 7.

(Problems to be solved by the invention) In the former radiant heating type rice cooker, when the container 1 is taken out and the inside of the main body 2 is cleaned, the heating element 4 is an obstacle and is difficult to clean. Since 4 is exposed at the bottom of the container body 2, there is a drawback that it gives a dangerous impression.

In the latter hot plate type rice cooker, when rice grains or the like adhere to the hot plate 8, when the container 7 is housed in the bowl body 6, the contact state between the container 7 and the hot plate 8 deteriorates, There was a defect such as unevenness.

In order to solve these problems, JP-A-61-234
In No. 815, a heat-resistant ceramic plate that covers the upper opening of the heater case having the heater coil is provided in the storage space formed on the bottom side of the protective frame, and between the heat-resistant ceramic plate and the bottom of the rice cooking pot. There is a gap between the heat-resistant ceramic plate and the heat-dissipating ceramic plate so that the heat from the heater coil is dissipated into the space between the heat-resistant ceramic plate and the bottom surface of the rice cooker without exposing the heater coil to the bottom of the protective frame. A structure of a rice cooker capable of uniformly heating rice is disclosed.

However, the heat radiated from the heater coil to the storage space is cut off by the heat insulating material and the ceramic plate provided under the heater coil. At times, there is a concern that the rice-cooking pan cannot be heated, resulting in a delay in the start-up of the rice-cooking.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a radiant heating type rice cooker capable of eliminating the delay at the time of rising rice.

[Structure of the Invention] (Means for Solving the Problem) The present invention is directed to a container body 11, a container 17 in which the outside of an upper portion 18 is sealed and stored in the container body 11, and an upper opening of the container body 11. Lids 25 that can be opened and closed, and the side and bottom portions 1 of the container 17
Radiant heat dissipating plate 2 provided outside of 9 through heating space 20
6, a storage space 28 formed on the bottom side of the container body 11 and surrounding the radiant heat dissipation plate 26 with a space, and the storage space 28.
Heating element provided under the radiant heat dissipation plate 26 facing the
27, and a communication portion 32 that connects the heating space 20 and the storage space 28.

(Operation) With the above configuration, the radiant heat dissipation plate is generated along with the heat generation of the heating element 27.
Radiant heat from the upper surface 26A of the container 26 is passed through the heating space 20 to the container 17
Can be heated. Furthermore, the hot air radiated to the storage space 28 side,
Infrared rays are reflected and radiated from the communication part 32 to the heating space 20, which can improve the quick heating property in the initial stage of rice cooking.

(Embodiment) An embodiment of the present invention will be described below with reference to FIG.

Reference numeral 11 denotes a container body, which is composed of an outer case 13 joined by an upper frame 12 and an inner case 15 provided inside the outer case 13 via a heat insulating material 14, and inside the inner case 15. Is equipped with a heat insulation heater 16. 17 is the inner case 15
Is a container that is a pot to be stored in, and the upper portion 18 of this container 17 is formed with a step portion that is in close contact with the upper frame body 12 and is locked,
Further, a heating space 20 is formed between a side part of the container 17 and a side part of the inner case 15 and between a bottom part 19 of the container 17 and a radiant heat dissipation plate described later. Reference numeral 21 denotes an outer lid provided so as to open and close the upper opening of the container body 11, a handle 22 is provided on the upper surface of the outer lid 21, and the outer surface of the lower surface abuts the upper edge of the container 17. Packing 23 is provided,
Further, an inner lid 25 provided with a lid heater 24 is integrally provided at the center of the lower surface.

Reference numeral 26 denotes a radiant heat-dissipating plate having a flat upper surface 26A provided below the container 17 via the heating space 20. The radiant heat-dissipating plate 26 is made of heat-resistant glass or ceramics which is a member that transmits infrared rays and has excellent heat resistance. An upper surface 26A is provided so as to face almost the entire bottom portion 19 of the container 17. Reference numeral 27 is a heating element such as a high temperature sheath type which is mounted on the lower surface of the radiant heat dissipation plate 26 and radiates infrared rays, and is provided facing a storage space 28 described later.

Reference numeral 28 denotes a storage space which surrounds the side and the lower side of the radiant heat dissipation plate 26 with a space therebetween, and the storage space 28 is formed by a partition wall 31 having first and second heat insulating spaces 29, 30. A communication part 32 that communicates with the storage space 28 and the heating space 20 is formed by a gap between the edge of the radiant heat dissipation plate 26 and the side of the partition wall 31.

Reference numeral 33 denotes a heat-sensitive body that controls the cooking of rice by detecting the temperature of the container 17, and the heat-sensitive body 33 is attached to the vessel body 11 and protrudes inside the inner case 15 so as to be able to contact the container 17. There is.

Next, the operation of the above configuration will be described.

When rice and water are weighed appropriately and placed in a container 17, and the container 17 is housed in the inner case 15, the thermosensitive element 33 comes into contact with the container 17. When the outer lid 21 is closed and a rice cooking switch (not shown) is operated, the heating element 27 starts to generate heat and the radiant heat is dissipated. After this radiant heat passes through the radiant heat dissipation plate 26, the radiant heat dissipation plate 26
It is diffused from the upper surface 26A of 26 to reach the container 17, and the container 17 is heated to cook rice. Further, a part of the radiant heat radiated from the heating element 27 to the storage space 28 side is in the initial stage of cooking rice, that is, the heating element.
Immediately after the heat generation of 27, the container 17 is heated by radiating the container 17 while passing through the communication part 32 while being reflected by the partition wall 31. Then, when the rice cooking is completed, the heat sensitive body 33 detects this and the heat generating body 27 is cut off. After cooking rice in this way, the radiant heat dissipation plate
The cooked rice is steamed at a high temperature by the residual heat of 26, and the heat insulation heater 16 and the lid heater 24 generate heat to be in a heat insulation state.

As described above, in the above embodiment, the heating space 27 is provided in the lower part of the radiant heat dissipation plate 26 and the communication space 32 surrounding the lower space of the radiant heat dissipation plate 26 and the communication space 32 are connected to the radiant heat dissipation plate 26. The space 28 is formed so as to surround the space 28, and the heating element 27 is provided below the radiant heat radiation plate 26 facing the storage space 28, so that the radiant heat radiated by the heating element 27 is not blocked and is stored as it is. Since the container 17 can be heated by reaching the heating space 20 through the communication part 32 while repeating reflections through the space 28, the communication part 32 is set at the rising time until the radiant heat dissipation plate 26 is heated in the initial rice cooking. Since the container 17 can be heated by the radiant heat that has passed through, it is possible to eliminate the delay at the start of cooking rice. Also storage space
Radiant heat dissipation plate because hot air in 28 is radiated to the heating space 20.
It is possible to prevent the lower surface of 26 from becoming hot.

Further, by providing the radiant heat dissipation plate 26 in the bowl body 11, the radiation area of the radiant heat can be increased to uniformly heat the entire container 17 to improve rice cooking performance, and rice grains and the like fall into the bowl body 11. Even so, the radiant heat dissipating plate 26 accumulates on the radiant heat dissipating plate 26, and the rice grains and the like can be easily cleaned by wiping. Further, at the initial stage of cooking rice, that is, at the time of steaming, high temperature steaming can be performed by the residual heat effect of the radiant heat dissipating plate 26. Therefore, not only can the cooked rice be sufficiently converted into α, but also the rice can be kept warm for a while after being unplugged.

The present invention is not limited to the above-described embodiment, and for example, the upper surface of the radiant heat dissipation plate is textured to form an uneven portion, or a heat sensitive member is provided so as to be able to abut on the center of the bottom of the container. In addition to the heat-resistant glass and ceramics, the radiant heat-dissipating plate may be formed of a member that transmits infrared rays and has excellent heat resistance.

[Effects of the Invention] The present invention includes a container body, a container in which the outside of the upper part of the container body is hermetically sealed, a lid capable of opening and closing the upper opening of the container body, and a side part and a bottom part of the container. A radiant heat dissipation plate provided outside through a heating space, a storage space formed on the bottom side of the vessel body and surrounding the radiant heat dissipation plate at an interval, and a lower part of the radiant heat dissipation plate facing the storage space. A radiant heating type rice cooker that includes a heating element provided and a communication portion that communicates the heating space and the storage space can eliminate the delay at the start of rice cooking.

[Brief description of drawings]

FIG. 1 is a sectional view showing an embodiment of the present invention, FIG. 2 is a sectional view of a conventional example, and FIG. 3 is a sectional view of another conventional example. 11 ... Container body 17 ... Container 18 ... Top 19 ... Bottom 20 ... Heating space 21 ... Outer lid (lid) 25 ... Inner lid (lid) 26 ... Radiant heat dissipation plate 27 ... Heating element 28 ... Storage space 32 ... Communication part

Claims (1)

[Scope of utility model registration request] 1. A container main body, a container in which the outside of the upper part of the container main body is hermetically sealed, a lid capable of opening and closing the upper opening of the container main body, and heating on the outside of the side and bottom of the container. A radiant heat dissipation plate provided through a space, a storage space formed on the bottom side of the vessel body and surrounding the radiant heat dissipation plate at an interval, and a heat generation provided under the radiant heat dissipation plate facing the storage space. A rice cooker comprising: a body; and a communication section that communicates the heating space and the storage space.