CN205514010U - Inner pot for cooking utensil and cooking utensil - Google Patents

Abstract

The utility model discloses an inner pot for cooking utensil and cooking utensil, interior pot is formed with closed cavity including outer digester shell and inlayer digester shell between outer digester shell and the inlayer digester shell, be provided with among the closed cavity can the phase transition heat transfer heat transfer medium to, be provided with the barrier film in the closed cavity. According to the utility model discloses an interior pot, when it received the heating device heating, the heat transfer medium looks variable expansion in the closed cavity was full of closed cavity, and is provided with the barrier film in closed cavity, and inlayer digester shell and/or outer digester shell and heat transfer medium contact can be avoided to the barrier film, produce gases such as hydrogen or oxygen, and then avoid because gaseous influence such as hydrogen or oxygen results in the capacity of heat transmission of interior pot to descend.

Description

Interior pot and cooking apparatus for cooking apparatus

Technical field

This utility model relates to cooking apparatus technical field, particularly relates to a kind of in cooking apparatus Pot and cooking apparatus.

Background technology

The existing interior pot for cooking apparatus is pot in monolayer, and its heat transfer speed is slow, during heating The temperature contrast of different piece is bigger.Some food containers are also had to have employed the structure of double layer hollow, in Hollow structure is internal fills heat transfer medium, in use, by the phase transformation of heat transfer medium, by container The heat of bottom is constantly delivered to the sidewall of container, makes the bottom of container and side wall temperatures difference reduce, To reach the effect of samming, but this type of food container is not used for the cooking apparatus of such as electric cooker, And this type of food container is typically by the sidewall weld of double boiler wall together, the material of double boiler wall Generally use rustless steel, carbon steel or aluminum, and existing on pot wall, only do simple spray treatment, Thus avoid the inner bag of pot wall to get rusty, but can not prevent heat transfer medium from chemical reaction occurring with it, hydrogen, The generation of the incondensable gases such as oxygen, thus cause double boiler wall easily to lose efficacy in thermal histories.Cause This, need a kind of interior pot for cooking apparatus and cooking apparatus, to solve above-mentioned asking at least in part Topic.

Utility model content

Introducing the concept of a series of reduced form in utility model content part, this will be concrete real Execute in mode part and further describe.Utility model content part of the present utility model is not intended to The key feature and essential features attempting limiting technical scheme required for protection, less Mean the protection domain attempting to determine technical scheme required for protection.

In order to solve the problems referred to above at least in part, the utility model discloses a kind of for cooking apparatus Interior pot, it is characterised in that described interior pot includes outer layer pot wall and internal layer pot wall, described outer layer pot wall and It is formed with closing cavity between described internal layer pot wall, described closing cavity is provided with phase-change heat transfer Heat transfer medium, and, it is provided with isolating membrane in described closing cavity.

Arrange in this way, when the heated device of interior pot heats, close the heat transfer medium phase in cavity Variable expansion is full of closes cavity, and is provided with isolating membrane in closing cavity, and isolating membrane can avoid internal layer Pot wall and/or outer layer pot wall and heat transfer medium contacts, produce the gas such as hydrogen or oxygen, so avoid by In the impact of the gas such as hydrogen or oxygen, the capacity of heat transmission of interior pot is caused to decline.

Alternatively, described isolating membrane is passivating film or nonstick layer.So, outer layer pot wall it is further ensured that And/or being effectively isolated of internal layer pot wall and heat transfer medium, and it is easy to heat transfer medium and expands in phase transition process Or flowing during cooling.

Alternatively, described isolating membrane includes that internal layer isolating membrane, described internal layer isolating membrane are arranged on described internal layer On the outer surface of pot wall.So internal layer isolating membrane can avoid heat transfer medium to produce chemistry with internal layer pot wall Reaction, thus suppression hydrogen or oxygen etc. is difficult to the generation of the gas condensed effectively, and then impact passes Condensation when expansion during thermal medium phase transformation and cooling.

Alternatively, described isolating membrane includes that outer layer isolating membrane, described outer layer isolating membrane are arranged on described outer layer On the inner surface of pot wall.So outer layer isolating membrane can avoid heat transfer medium to produce chemistry with outer layer pot wall Reaction.

Alternatively, the volume of described heat transfer medium is the 2%-30% of volume of described closing cavity.Permissible Heat transfer medium is made to be sufficiently filled with closing cavity.

Alternatively, the thickness T1 of described internal layer isolating membrane is 3 μm-200 μm.So, internal layer isolating membrane Thickness will not be blocked up, when not interfering with heat transfer medium phase transformation change, it is in the flowing closed in cavity.

Alternatively, the thickness T2 of described outer layer isolating membrane is 3 μm-200 μm.So, so, outer layer The thickness of isolating membrane will not be blocked up, its stream in closing cavity when not interfering with heat transfer medium phase transformation change Dynamic.

Alternatively, the thickness T3 of described closing cavity is 1mm-50mm.So, biography can fully be accommodated Thermal medium and internal layer isolating membrane and/or outer layer isolating membrane.

This utility model additionally provides a kind of cooking apparatus, and described cooking apparatus includes that at least one is above-mentioned interior Pot.The cooking apparatus of sample relatively simple for structure, and can be effectively by outer layer pot wall and/or internal layer pot Wall is kept apart with heat transfer medium, it is to avoid outer layer pot wall and/or internal layer pot wall produce chemistry instead with heat transfer medium Should.

Accompanying drawing explanation

The drawings below of this utility model embodiment is used for managing in this as a part of the present utility model Solve this utility model.Shown in the drawings of embodiment of the present utility model and description thereof, it is used for explaining Principle of the present utility model.In the accompanying drawings,

Fig. 1 is the structural representation of the interior pot according to the first preferred implementation of the present utility model；

Fig. 2 is the partial enlarged drawing in the A portion in Fig. 1；

Fig. 3 is the structural representation of the interior pot according to the second preferred implementation of the present utility model；

Fig. 4 is the partial enlarged drawing in the B portion in Fig. 3；

Fig. 5 is the structural representation of the interior pot according to the 3rd preferred implementation of the present utility model；And

Fig. 6 is the partial enlarged drawing in the C portion in Fig. 5.

Description of reference numerals:

100, pot in 200,300

103,203,303 outer layer pot wall

2031, the inner surface of 3031 outer layer pot walls

104,204,304 internal layer pot wall

1041, the outer surface of 3041 internal layer pot walls

105,205,305 cavity is closed

106,206,306 isolating membrane

1061,3061 internal layer isolating membrane,

2062,3062 outer layer isolating membrane

Detailed description of the invention

In the following description, a large amount of concrete details is given to provide to this utility model more Understand thoroughly.It will be apparent, however, to one skilled in the art that this utility model Embodiment can be carried out without these details one or more.In other example, for Avoid obscuring with this utility model embodiment, for technical characteristics more well known in the art It is not described.

In order to thoroughly understand this utility model embodiment, detailed knot will be proposed in following description Structure.Obviously, the execution of this utility model embodiment be not limited to those skilled in the art institute ripe The specific details practised.Better embodiment of the present utility model is described in detail as follows, but except these Outside detailed description, this utility model can also have other embodiments.

Generally, cooking apparatus includes lid and cooker body.Cooker body is substantially in the form of fillet rectangular shape, and And there is the interior pot incorporating section of drum, interior pot can freely put into pot incorporating section or from Pot incorporating section is taken out, to facilitate internal pot to be carried out.The upper surface of interior pot has circular open, uses Material to be heated, such as rice, soup etc. is held in inside pot.Cooker body includes for heating interior pot Heater.It is appreciated that according to cooking apparatus of the present utility model can be electric cooker, voltage Power pot or other cooking apparatus, and according to cooking apparatus of the present utility model except the merit with cooking rice Beyond energy, it is also possible to there are various functions such as cooking congee.

First embodiment

As it is shown in figure 1, include outer layer pot wall 103 and internal layer pot according to interior pot 100 of the present utility model Wall 104, outer layer pot wall 103 and internal layer pot wall 104 all can be made up of metal material and can have substantially Identical shape.The upper end of internal layer pot wall 104 has opening upwards, internal layer pot wall 104 upper end Edge can extend outward flange, and similarly, the upper end of outer layer pot wall 103 also has opening upwards, The edge of its upper end extends outward flange equally.Internal layer pot wall 104 is contained in outer layer pot wall 103, The upper end of internal layer pot wall 104 is connected at respective flange with the upper end of outer layer pot wall 103, the most logical The mode crossing welding fits tightly.After internal layer pot wall 104 and outer layer pot wall 103 overlapping seal welding, Formed between internal layer pot wall 104 and outer layer pot wall 103 and close cavity 105.In this article, will be close to The direction of the central axis of interior pot is defined as " interior ", and the direction away from the central axis of interior pot is defined as " outward ".

The scope of the thickness T3 closing cavity 105 between internal layer pot wall 104 and outer layer pot wall 103 For 1-50mm, those skilled in the art can be configured according to actual needs.Close cavity 105 In be provided with the heat transfer medium (not shown) of phase-change heat transfer, the volume of heat transfer medium accounts for closing cavity The 2%-30% of the volume of 105.Heat transfer medium can be by such as oxide, super oxygen compound and silicide Deng known inorganic substances constitute.

When in the interior pot incorporating section that interior pot is positioned in cooker body, the heater being positioned in cooking apparatus Internally pot heats, and the heat transfer medium closed in cavity of interior pot undergoes phase transition change, thus by heat Amount is delivered to close other regions in cavity.During cooking, heat is from the whole surrounding of interior pot To the intermediate transfer heat of rice, and utilize the heat convection current of water and directly transmit, making the grain of rice quickly inhale Thermal expansion and gelatinizing.

As depicted in figs. 1 and 2, in closing cavity 105, it is provided with isolating membrane 106.Specifically, Isolating membrane 106 includes that internal layer isolating membrane 1061, internal layer isolating membrane 1061 are arranged on internal layer pot wall 104 Outer surface 1041 on, the thickness T1 of internal layer isolating membrane 1061 is in the range of 3 μm-200 μm.Every The outer surface 1041 of internal layer pot wall 104 can be completely covered, to ensure that heat transfer medium is with interior from film 106 Layer pot wall 104 does not contacts.The material of internal layer pot wall 104 can be rustless steel, carbon steel or aluminum etc.. Thus, it is provided with isolating membrane closing in cavity, intercepts contacting of internal layer pot wall and heat transfer medium, Avoid the generation of the gas such as hydrogen or oxygen.Isolating membrane 106 can be passivating film or nonstick layer, So also allow for flowing when heat transfer medium expands in phase transition process or cools down.Owing to closing cavity 105 Being inside vacuum, the existence of the gas such as hydrogen or oxygen also can affect the heat in closing cavity 105 Transmission, so, it is provided with isolating membrane 106 in closing cavity 105 and also can avoid internal layer pot wall 104 He Outer layer pot wall 103 is affected by the gas such as hydrogen or oxygen, causes degradation problem under the capacity of heat transmission.

Second embodiment

Present embodiment is with the first embodiment difference, as shown in Figure 3 and Figure 4, in envelope The isolating membrane 206 arranged in closing cavity 205 includes that outer layer isolating membrane 2062, outer layer isolating membrane are arranged on On the inner surface 2031 of outer layer pot wall 203, the thickness T2 of outer layer isolating membrane 2062 in the range of 3μm-200μm.Outer layer isolating membrane can be completely covered the inner surface 2031 of outer layer pot wall 203, to protect Card heat transfer medium does not contacts with outer layer pot wall 203.The material of outer layer pot wall 203 can be rustless steel, Carbon steel or aluminum etc..When heat transfer medium phase change expansion is full of and closes cavity 205, outer layer isolating membrane 2062 Heat transfer medium and outer layer pot wall 203 can be avoided to produce chemical reaction, thus effectively suppression hydrogen or Oxygen etc. are difficult to the generation of gas condensed, thus when expansion when affecting heat transfer medium phase transformation and cooling Condensation.

3rd embodiment

Present embodiment is with the second embodiment difference, as shown in Figure 5 and Figure 6, in envelope The isolating membrane 306 arranged in closing cavity 305 includes internal layer isolating membrane 3061 and outer layer isolating membrane 3062, Internal layer isolating membrane 3061 is arranged on the outer surface 3041 of internal layer pot wall 304, outer layer isolating membrane 3062 It is arranged on the inner surface 3031 of outer layer pot wall 303.It is full of in heat transfer medium phase change expansion and closes cavity When 205, internal layer isolating membrane 3061 and outer layer isolating membrane 3062 can avoid heat transfer medium and internal layer pot Wall 304 and outer layer pot wall 403 produce chemical reaction, thus suppression hydrogen or oxygen etc. is difficult to effectively The generation of gas condensed, thus condensation when expansion when affecting heat transfer medium phase transformation and cooling.

Unless otherwise defined, technology used herein and scientific terminology and technology of the present utility model The implication that the technical staff in field is generally understood that is identical.Term used herein is intended merely to describe tool The enforcement purpose of body, it is not intended that limit this utility model.The herein presented art such as such as " arrange " Language both can represent that parts were attached directly to another parts, it is also possible to represents that parts pass through Middleware is attached to another parts.The feature described the most in one embodiment can be independent Ground or be applied to another embodiment with further feature in combination, unless this feature this another real Execute inapplicable in mode or be otherwise noted.

This utility model is illustrated by above-mentioned embodiment, but it is to be understood that on, State embodiment and be only intended to citing and descriptive purpose, and be not intended to be limited to this utility model institute In the range of the embodiment described.It will be appreciated by persons skilled in the art that according to this utility model Teaching can also make more kinds of variants and modifications, it is new that these variants and modifications all fall within this practicality Within type scope required for protection.

Claims (9)

1. the interior pot for cooking apparatus, it is characterised in that described interior pot includes outer layer pot wall and interior Layer pot wall, is formed with closing cavity, described closing cavity between described outer layer pot wall and described internal layer pot wall In be provided with the heat transfer medium of phase-change heat transfer, and, be provided with isolating membrane in described closing cavity.

Interior pot the most according to claim 1, it is characterised in that described isolating membrane be passivating film or Nonstick layer.

Interior pot the most according to claim 2, it is characterised in that described isolating membrane includes that internal layer is isolated Film, described internal layer isolating membrane is arranged on the outer surface of described internal layer pot wall.

4. according to the interior pot described in Claims 2 or 3, it is characterised in that described isolating membrane includes outer layer Isolating membrane, described outer layer isolating membrane is arranged on the inner surface of described outer layer pot wall.

Interior pot the most according to claim 1, it is characterised in that the volume of described heat transfer medium is institute State the 2%-30% of the volume closing cavity.

Interior pot the most according to claim 3, it is characterised in that the thickness T1 of described internal layer isolating membrane It is 3 μm-200 μm.

Interior pot the most according to claim 4, it is characterised in that the thickness T2 of described outer layer isolating membrane It is 3 μm-200 μm.

Interior pot the most according to claim 1, it is characterised in that the thickness T3 of described closing cavity For 1mm-50mm.

9. a cooking apparatus, it is characterised in that comprise at least one such as any one in claim 1-8 Described interior pot.