JP2018192241A - Pot, pot assembly and kitchen device - Google Patents

Abstract

To provide a pot which can avoid a risk to burn food by stopping heating automatically after the temperature rises to higher than Curie temperature of a heat source.SOLUTION: A pot, a pot assembly and a kitchen device are disclosed. The pot includes an inner housing 10, an outer housing 20 connected to the inner housing, and a heat source 70. A phase change chamber 30 to encase a liquid phase change working medium is sectioned between the inner housing and the outer housing. The heat source is provided to the inner housing and/or the outer housing and/or the phase change chamber. The heat source produces heat itself in cooperation with an alternating field. The heat source has Curie temperature characteristic and Curie temperature of the heat source is 120-260°C.SELECTED DRAWING: Figure 6

Description

  The present invention relates to the technical field of home appliances, and more particularly to a pot, a pot assembly, and a kitchen appliance.

  In the related art, the temperature difference between different parts is relatively large, and the non-stick coating is provided on the inner wall of the kettle in order to reduce the kettle phenomenon of the kettle due to excessive heating of food. Since the bonding strength of the stick coating is poor, the scratch resistance is poor, and the service life is limited, the coating falls off and the effect tends to be lost, and it is often damaged.

  The kettle that has lost the non-stick coating will show the charring phenomenon of the kettle, and the non-stick coating is mixed with food and easily ingested by the human body, which poses a potential safety risk to the health of the consumer.

  In the soaking pot technology known to the inventor, a chamber is formed by using the inner housing and the outer housing of the pot, and the chamber is filled with a liquid phase change working medium to achieve the purpose of soaking. It is done. However, this soaking pot technology can reduce the temperature difference of the inner housing, but when the liquid changes to gas, the pressure of the pot increases, and in particular, the effect of the temperature control system of the pot is lost. Then, the situation of airing occurs, and the kettle is continuously heated at a high temperature. As a result, the pressure of the chamber increases more and the danger of the kettle exploding.

  The present invention aims to solve at least one technical problem in the related art to some extent. Therefore, the present invention provides a kettle that can automatically stop heating after the temperature exceeds the Curie temperature of the heating source and avoid the risk of scorching food.

  The present invention further provides a hook assembly having the above hook.

  The present invention further provides a kitchen appliance having the above-described pot assembly.

  A shuttle according to the present invention includes an inner housing, an outer housing connected to the inner housing, and a heat source, and accommodates a liquid phase change working medium between the inner housing and the outer housing. And the heating source is provided in the inner housing and / or the outer housing and / or the phase change chamber, the heating source cooperates with an alternating magnetic field to generate heat, The heating source has a Curie temperature characteristic, and the Curie temperature of the heating source is 120 ° C to 260 ° C.

  In the kettle according to the present invention, the heat source is a heating source having a Curie temperature characteristic, and after the temperature of the heating source exceeds the Curie temperature, the heat source automatically stops heating, and the temperature of the kettle exceeds the Curie temperature of the heat source. It is ensured that there is no loss, and the risk of scorching food is reduced and energy is saved.

  According to an embodiment of the present invention, the Curie temperature of the heating source is 140 ° C to 160 ° C.

  According to an embodiment of the present invention, the heating source is a 4J-78 iron nickel alloy member.

  According to an embodiment of the present invention, the Curie temperature of the heating source is 190 ° C to 240 ° C.

  According to an embodiment of the present invention, the heating source is a 4J-38 iron nickel alloy member, a 4J-32 iron nickel alloy member, or a 4J-43 iron nickel alloy member.

  According to an embodiment of the present invention, the heating source is provided on an outer wall surface of the inner housing, and the outer housing is a non-metallic member.

  According to an embodiment of the present invention, the heating source includes a first portion provided on the bottom surface of the outer wall surface of the inner housing.

  According to an embodiment of the present invention, the heating source further includes a second portion provided on an outer peripheral surface of the outer wall surface of the inner housing, and the first portion is connected to the second portion.

  According to an embodiment of the present invention, the heating source is provided on an outer wall surface of the outer housing.

  According to an embodiment of the present invention, the heating source includes a third portion provided on the bottom surface of the outer wall surface of the outer housing.

  According to an embodiment of the present invention, the heating source further includes a fourth portion provided on an outer peripheral surface of the outer wall surface of the outer housing, and the third portion is connected to the fourth portion.

  According to an embodiment of the present invention, the fourth portion has a ring shape and is located at a lower portion of the outer housing.

  According to an embodiment of the present invention, the phase change chamber has a thickness of 0.1 mm to 3.0 mm.

  According to an embodiment of the present invention, the heating source is configured as a heating layer.

  According to an embodiment of the present invention, the heating layer has a thickness of 0.4 mm to 3.0 mm.

  According to an embodiment of the present invention, the heating layer has a thickness of 0.4 mm to 2.0 mm.

  According to an embodiment of the present invention, the heating source is integrated with the inner housing so as to constitute a part of the inner housing, and the outer housing is a non-metallic member.

  According to an embodiment of the present invention, the heating source is integrated with the outer housing so as to form a part of the outer housing.

  According to an embodiment of the present invention, the inner wall surface of the inner housing includes a wall surface corresponding to the phase change chamber corresponding to the position of the phase change chamber, and at least a partial region of the wall surface corresponding to the phase change chamber is a non-stick coating. It is configured as a non-existent area.

  According to an embodiment of the present invention, the wall corresponding to the phase change chamber includes a heat source facing area facing the heating source and a heat source facing area, and the area without the non-stick coating is the heat source non-facing area. Includes a confrontation area.

  According to an embodiment of the present invention, the heat source facing region is provided with a non-stick coating.

  According to an embodiment of the present invention, the phase change chamber-corresponding wall surface includes a phase change chamber-corresponding bottom wall surface constituting the heat source facing region, a phase change chamber-corresponding peripheral wall surface configuring the heat source non-facing region, including.

  According to an embodiment of the present invention, the wall corresponding to the phase change chamber includes a first temperature region and a second temperature region, and when the temperature of the first temperature region is heated by the pot, The region that is larger than the temperature of the second temperature region and has no non-stick coating includes the second temperature region.

  According to an embodiment of the present invention, the first temperature region is provided with a non-stick coating.

  According to an embodiment of the present invention, the phase change chamber-corresponding wall surface includes a phase change chamber-corresponding bottom wall surface that constitutes the first temperature region, and a phase change chamber-corresponding peripheral wall surface that constitutes the second temperature region. Including.

  According to an embodiment of the present invention, a temperature difference between the first temperature region and the second temperature region is 0 ° C. to 15 ° C.

  According to an embodiment of the present invention, a temperature difference between the first temperature region and the second temperature region is 0 ° C to 8 ° C.

  According to an embodiment of the present invention, the phase change chamber corresponding wall surface includes a phase change chamber corresponding bottom wall surface and a phase change chamber corresponding peripheral wall surface, and the region without the non-stick coating corresponds to the phase change chamber. Including the peripheral wall.

  According to an embodiment of the present invention, a non-stick coating is provided on the bottom wall surface corresponding to the phase change chamber.

  According to an embodiment of the present invention, the phase change chamber corresponding wall surface includes a phase change chamber corresponding bottom wall surface and a phase change chamber corresponding peripheral wall surface, and the phase change chamber corresponding peripheral wall surface and the phase change chamber corresponding bottom surface. The wall surface is an area without the non-stick coating.

  According to an embodiment of the present invention, the entire inner wall surface of the inner housing is configured as a region without the non-stick coating.

  According to an embodiment of the present invention, the inner housing is in the shape of an outer convex spherical pot.

  According to an embodiment of the present invention, the portion of the inner housing corresponding to the region without the non-stick coating is made of aluminum.

  According to an embodiment of the present invention, the entire inner housing is an aluminum member or an iron member.

  A hook assembly according to another embodiment of the present invention includes the above-described hook, a liquid phase change working medium provided in the phase change chamber, and a heating coil for generating an alternating magnetic field in cooperation with the heating source. ,including.

  According to an embodiment of the present invention, the liquid phase change working medium is water, ammonia or normal hexane.

  A kitchen appliance according to yet another embodiment of the present invention includes the shuttle assembly in the above embodiment.

  According to an embodiment of the present invention, the kitchen appliance includes an electric rice cooker, an electric pressure cooker, and an electromagnetic stove.

  Additional features and advantages of the invention will be set forth in part in the description which follows, and in part will be apparent from the description, or may be learned by practice of the invention.

  These and / or additional aspects and advantages of the present invention will become apparent and more readily understood by the following description of embodiments with reference to the drawings.

It is a cross-sectional structure schematic of the shuttle which concerns on one Example of this invention. FIG. 2 is a schematic cross-sectional structure taken along AA shown in FIG. 1. It is a figure which expands a part of shuttle in one Example of this invention. It is a figure which expands a part of shuttle of another Example of this invention. It is the schematic of the shuttle of another Example of this invention. It is the schematic of the shuttle of another Example of this invention. It is the schematic of the shuttle of one Example of this invention. It is the schematic of the shuttle of another Example of this invention. It is the schematic of the shuttle of another Example of this invention.

  Examples of the present invention will be described in detail below. An example of said embodiment is shown in the drawing. The embodiments described below with reference to the drawings are illustrative and should not be construed as limiting the present invention in order to interpret the present invention.

  In the description of the present invention, “center”, “vertical direction”, “lateral direction”, “length”, “width”, “thickness”, “top”, “bottom”, “front”, “back”, “ “Left”, “Right”, “Vertical”, “Horizontal”, “Top”, “Bottom”, “Inside”, “Outside”, “Clockwise”, “Counterclockwise”, “Axial”, “Diameter” The azimuth or positional relationship indicated by terms such as “circumferential direction” and the like is based on the azimuth or positional relationship shown in the drawings for convenient or simple explanation of the present invention. It should not be understood as limiting the invention as it is in a particular orientation and is not intended to indicate or imply that it is constructed and operated in a particular orientation.

  It should be noted that the terms “first” and “second” are merely used to describe the purpose and indicate or imply relative importance, or imply the number of technical features shown. Do not understand if you tell me. Thus, features limited to “first” and “second” explicitly or imply that at least one of the features is included. In the description of the present invention, unless there is a clear and specific limitation, “plurality” means at least two, for example, two, three, and the like.

  In the present invention, unless clearly defined and limited, the meanings of terms such as “attachment”, “connection to each other”, “connection”, “fixation” and the like should be broadly understood. For example, a fixed connection, a detachable connection, or an integral connection is possible. It is also possible to communicate mechanically, electrically, or with each other. It is possible to connect directly, indirectly through an intermediate medium, the inside of two parts can communicate, or there can be an interaction between the two parts . For those skilled in the art, the specific meaning of the above terms in the present invention can be understood by specific cases.

  Below, with reference to FIGS. 1-9, the hook of the Example of this invention is demonstrated in detail.

  The shuttle according to the embodiment of the present invention includes an inner housing 10, an outer housing 20, and a heat source, and the outer housing 20 is provided to be fitted outside the inner housing 10, and the inner housing 10 is the outer housing 20. The phase change chamber 30 for accommodating the liquid phase change working medium may be limited between the inner housing 10 and the outer housing 20. The liquid phase change working medium can complete the shape change in the phase change chamber 30. For example, a liquid phase change working medium can complete the transition between a liquid state and a gaseous state to achieve heat transfer.

  The shuttle according to the embodiment of the present invention is a physical non-stick shuttle adopting a double structure, and the shuttle is formed with a vacuum phase change chamber 30 between the inner housing 10 and the outer housing 20, and the phase change. A liquid phase change working medium (for example, water, ammonia, or normal hexane) is injected at a position near the bottom of the chamber 30. In this way, after the bottom of the kettle is heated and the temperature of the bottom of the kettle increases to a certain temperature (for example, temperature> 100 ° C.), the liquid in a position close to the bottom in the phase change chamber 30 The working medium is vaporized and volatilized into a gas and flows to the condensing end near the upper part in the phase change chamber 30, and the position close to the open end of the kettle is heated with effective conduction of heat, but is cooled. The phase change working medium condenses and becomes liquid again, flows to the bottom of the phase change chamber 30, and then receives heat again to re-evaporate. This heating and condensation process is constantly circulated and repeated to ensure that the temperature fields after each portion of the entire kettle is heated for several minutes are approximately matched (for example, a temperature difference of ± 4 ), That is, it is ensured that the temperature of each part of the entire pot is uniformly distributed, and finally the surface of the pot has a good physical non-stick effect when cooking. It is realized to have.

  As shown in FIGS. 5 and 6, the heating source 70 is provided in the inner housing 10 and / or the outer housing 20 and / or the phase change chamber 30, and the heating source 70 generates heat in cooperation with an alternating magnetic field. The heating source 70 has Curie temperature characteristics, and the Curie temperature of the heating source 70 is 120 ° C. to 260 ° C.

  That is, the heating source 70 may be provided simultaneously in the inner housing 10, the outer housing 20, and the phase change chamber 30. Of course, the heating source 70 is the inner housing 10, the outer housing 20, and the heating source 70. And only one or two of them may be provided.

  When the heating source 70 has not reached the Curie temperature, the heating source 70 has ferromagnetic properties and generates heat by the action of an alternating magnetic field to cook the food in the kettle. When the temperature of the heating source 70 reaches the Curie temperature, the heating source 70 has paramagnetic properties, the heating source 70 cannot generate heat by the action of an alternating magnetic field, and the heating source 70 The heating is automatically stopped, and a kettle burning phenomenon due to excessive heat reception of food due to a continuous increase in the temperature of the heating source 70 is avoided. In this way, the safety of the inner housing 10 and the outer housing 20 can be ensured, the temperature of the kettle can be ensured not to exceed the Curie temperature of the heating source, the risk of scorching food and energy To save money.

  The Curie temperature of the heating source 70 may be set to 140 ° C to 160 ° C. Such a heating source 70 can cook foods that are less demanding on temperature.

  Of course, the Curie temperature of the heating source 70 may be set to 190 ° C to 240 ° C. Such a heating source 70 can cook food with a relatively high demand for temperature, and can further improve the cooking speed of food.

  Preferably, the heating source 70 having a Curie temperature of 190 ° C. to 240 ° C. may be a 4J-38 iron nickel alloy member, a 4J-32 iron nickel alloy member, or a 4J-43 iron nickel alloy member.

  The present invention does not limit the specific material of the heat source 70, and the designer can select the material having a different Curie temperature to manufacture the heat source 70. The selected heat source 70 is You just need to meet your needs.

  In one embodiment of the present invention, as shown in FIG. 5, the heating source 70 is provided on the outer wall surface of the inner housing 10, and the outer housing 20 is a non-metallic member. For example, the outer housing 20 may be a ceramic member. Thereby, the outer housing 20 which is a non-metallic member can avoid the shielding of an alternating magnetic field, and the heating source 70 provided on the outer wall surface of the inner housing 10 is in an alternating magnetic field at any time, based on its own temperature. Heat generation or heat generation can be stopped.

  Furthermore, the heat source 70 includes a first portion 71 provided on the bottom surface of the outer wall surface of the inner housing. The bottom surface of the outer wall surface of the inner housing is a heat receiving region, and the heat of the hook is from the heating source 70 provided on the bottom surface of the outer wall surface of the inner housing. Such an installation method is the most reasonable. This is because most of the food in the kettle gathers at the bottom of the kettle and the heating source 70 is provided at the bottom of the kettle, so that the cooking speed of the food can be improved and convection is generated inside the kettle. This is because it becomes easy.

  Furthermore, as shown in FIG. 5, the heating source 70 further includes a second portion 72 provided on the outer peripheral surface 104 of the inner housing outer wall surface, and the first portion 71 is connected to the second portion 72. The second portion 72 mainly corresponds to the rounded corner portion of the bottom of the inner housing, and thereby the heating range of the heating source 70 is further increased, and not only can the bottom of the kettle be heated. The side of the kettle can also be heated, improving the heating efficiency and improving the cooking speed of food.

  In some embodiments of the present invention, as shown in FIG. 6, the heating source 70 is provided on the outer wall surface of the outer housing 20. This is similar to a conventional external heat source. Since the heating source 70 is provided on the outer wall surface of the outer housing 20, it is not shielded by the metal member. At the same time, the material of the inner housing 10 does not need to be considered much, but in general, a material with good thermal conductivity is preferable.

  Furthermore, the heat source 70 includes a third portion 73 provided on the bottom surface of the outer wall surface of the outer housing. Such an installation is similar to the installation of the conventional heating source 70, and the bottom surface of the outer wall surface of the outer housing is a heat receiving region, and the heat of the hook is supplied from the heating source 70 provided on the bottom surface of the outer wall surface of the outer housing. Such an installation method is the most reasonable. This is because most of the food in the kettle gathers at the bottom of the kettle, and the heating source 70 is provided at the bottom of the kettle, so that the cooking speed of the food can be improved and convection is generated inside the kettle. This is because it becomes easy.

  Further, the heat source 70 further includes a fourth portion 74 provided on the outer peripheral surface of the outer wall surface of the outer housing 20, and the third portion 73 is connected to the fourth portion 74. The heating range of the heating source 70 is further increased, and not only can the bottom of the kettle be heated, but also the side of the kettle can be heated, improving the heating efficiency and improving the cooking speed of food.

  Further, the fourth portion 74 has a ring shape and is located at the lower portion of the outer housing 20. Thereby, the bottom part of a pot can be heated uniformly. Further, the provision of the heating source 70 at the bottom and the outer periphery of the kettle can improve the heating efficiency, and the food can be cooked more easily.

  In some embodiments of the present invention, the phase change chamber 30 has a thickness of 0.1 mm to 3.0 mm. As the inventor conducted experiments several times, when the thickness of the phase change chamber 30 is too small, the surface tension of the liquid phase change working medium is too large. It is easy to collect on the upper side of the water and cannot flow smoothly downward. If the thickness of the phase change chamber 30 is too large, it is necessary to fill the phase change chamber 30 with a large amount of phase change working medium, which is relatively disadvantageous in terms of heat conduction. Not only that, but also the cost of the kettle increases.

  When the thickness of the phase change chamber 30 is in the range of 0.1 mm to 3 mm, the liquid phase change working medium condensed in the phase change chamber 30 is very easy to flow to the lower side of the phase change chamber 30, and the phase change The amount of the phase change working medium in the chamber 30 is not so large, and the efficiency of heat transfer in the phase change chamber 30 can be improved.

  In some embodiments of the present invention, the heating source 70 is configured as a heating layer. The heating layer makes the heat conduction more uniform, can further increase the direct heat receiving area of the hook, and makes it difficult for the pot to burn.

  Preferably, the thickness of the heating layer is 0.4 mm to 3.0 mm. More preferably, the thickness of the heating layer is 0.4 mm to 2.0 mm.

  In some embodiments of the present invention, the heat source 70 is integrated into the inner housing 10 to form part of the inner housing 10. The outer housing 20 is a non-metallic member. That is, the heat source 70 is not fixed to the inner housing 10 by welding or bonding, but is a part of the inner housing 10. For example, the entire inner housing 10 may be made of a material used for the heating source 70, and the entire inner housing 10 can generate heat by the action of an alternating magnetic field.

  In some embodiments of the present invention, the heat source 70 is integrated into the outer housing 20 to form part of the outer housing 20. That is, the heat source 70 is not fixed to the outer housing 20 by welding or bonding, but is a part of the outer housing 20. For example, the entire outer housing 20 may be made of a material used for the heating source 70, and the entire outer housing 20 can generate heat by the action of an alternating magnetic field.

  Hereinafter, a hook according to another embodiment of the present invention will be described in detail with reference to the drawings.

  The shuttle according to the embodiment of the present invention includes an inner housing 10 and an outer housing 20 connected to the inner housing 10, and accommodates a liquid phase change working medium between the inner housing 10 and the outer housing 20. The phase change chamber 30 for the purpose may be limited. The liquid phase change working medium completes a change in form in the phase change chamber 30, for example, the liquid phase change working medium completes the transition between the liquid state and the gas state to achieve heat transfer. be able to.

  As shown in FIG. 7, the inner housing 10 has an inner wall surface 103, the inner wall surface 103 is in contact with the cooking chamber, and the inner wall surface 103 of the inner housing 10 corresponds to the position of the phase change chamber 30. The phase change chamber corresponding wall surface 102 may be understood to correspond to the thickness direction of the inner housing 10, and at least a part of the phase change chamber corresponding wall surface 102 may be non-stick coated. It is configured as a non-existent area.

  In other words, when the phase change chamber 30 is entirely between the inner housing 10 and the outer housing 20, the inner wall surface 103 of the inner housing 10 is entirely opposed to the phase change chamber 30, and the inner wall surface 103 of the inner housing 10 is Are all the wall surfaces 102 corresponding to the phase change chamber. When only a part between the inner housing 10 and the outer housing 20 is the phase change chamber 30, the inner wall surface 103 of the inner housing 10 includes two parts, and a part of the phase change chamber 30 corresponds to the phase change chamber 30. The change chamber-corresponding wall surface 102 and the other part are ordinary wall surfaces that do not correspond to the phase change chamber 30.

  At least a part of the wall 102 corresponding to the phase change chamber is configured as a region having no non-stick coating. In other words, the phase change chamber-compatible wall surface 102 may be provided with a non-stick coating only at one part and the other part may not be provided with a non-stick coating, or the entire phase change chamber-compatible wall surface 102 may be provided with a non-stick coating. May not be provided.

  Thereby, the processing process and processing difficulty of the hook can be greatly reduced, the manufacturing efficiency of the pot is improved, and the use of non-stick coating is reduced, so that the processing cost is also significantly reduced.

  Also, the reduction in the installation of non-stick coatings can fundamentally avoid the loss of non-stick coatings, reducing the amount of non-stick coatings in food and the amount consumed by the human body, making it safe for consumers. Reduce the above danger.

  In the embodiment of the present invention, “inside” refers to the direction toward the inner center of the pot, “outside” refers to the direction away from the inner center of the pot, and the center of the pot refers to the food in the pot. It may be the center of the cooking chamber for serving.

  The shuttle according to the embodiment of the present invention is a physical non-stick shuttle adopting a double structure, and a vacuum phase change chamber 30 is formed between the inner housing 10 and the outer housing 20 of the shuttle, and the phase change chamber. A liquid phase change working medium (for example, water, ammonia, or normal hexane) is injected at a position close to the bottom in 30, and in this way, the bottom of the kettle is heated and the temperature of the bottom of the kettle is reduced. After increasing to a certain temperature (for example, temperature> 100 ° C.), the liquid working medium at a position near the bottom in the phase change chamber 30 is vaporized and volatilized, and the condensation end near the top in the phase change chamber 30 As the heat is effectively transferred, the position close to the open end of the kettle is heated, and the cooled phase change working medium condenses into liquid again and flows to the bottom of the phase change chamber 30. . After that, it receives heat again and re-evaporates, and this heating and condensation process is continuously circulated and repeated, so that the temperature field after each part of the whole kettle is heated for several minutes is kept almost the same. (For example, the temperature difference can be suppressed to ± 4 ° C.), that is, it is ensured that the temperature of each part of the entire pot is in a uniform distribution state. It is realized to have a good physical non-stick effect.

  Moreover, since the said hook has the phase change chamber 30, the temperature of the inner wall surface 103 which the phase change chamber 30 opposes is uniform, Therefore, of the phase change chamber corresponding | compatible wall surface 102 of the inner housing 10 of the Example of this invention. At least some of the areas may be configured as areas without a non-stick coating. As a result, the non-stick coating has a relatively poor wear resistance, the bonding force is not ideal, the life is relatively short, and the non-stick effect during cooking of the kettle due to the ability to drop off is effective. After the non-stick paint has been absorbed into the human body, potential safety hazards to the user's body health are effectively avoided. In addition, since the use of non-stick coatings has decreased, the manufacturing cost of the pot is greatly reduced, the difficulty of processing the pot is reduced, the processing process is simplified, and the manufacturing efficiency of the pot is improved at least to some extent. .

  In some embodiments of the present invention, as shown in FIG. 8, the phase change chamber corresponding wall surface 102 includes a heat source facing region 102 a facing the heating source and a heat source non-facing region 102 b, where The region without the non-stick coating includes the heat source non-facing region 102b.

  The heat source facing area 102a faces the heat source, and when the received heat is large and food is in the heat source facing area 102a, the kettle burn phenomenon due to excessive heating tends to occur, so the heat source facing area 102a Providing a non-stick coating can reduce the probability of scorching of the hook. Since the heat source non-facing region 102b does not directly face the heat source, the received heat is relatively small compared to the heat source facing region 102a, and the probability of burning in the heat source non-facing region 102b is relatively low. Accordingly, the non-stick coating is not provided in the heat source non-facing region 102b, and a region without the non-stick coating is formed, which effectively reduces the charring phenomenon of the hook and reduces the cost of the pot. A reduction in processing steps and a reduction in the processing difficulty of the kettle is achieved, and at least to some extent, the probability of non-stick paint contamination of food is reduced and the potential danger to the user's physical safety is reduced.

  Of course, neither the heat source facing area 102a nor the heat source facing area 102b may be provided with a non-stick coating. That is, the region without the non-stick coating includes the heat source facing region 102a and the heat source non-facing region 102b.

  Specifically, the phase change chamber corresponding wall surface 102 includes a phase change chamber corresponding bottom wall surface 102a and a phase change chamber corresponding peripheral wall surface 102b, and the phase change chamber corresponding wall surface 102a constitutes a heat source facing region 102a. The peripheral wall surface 102b corresponding to the phase change chamber constitutes a heat source non-facing region 102b.

  That is, the heat source of the hook faces the bottom wall surface 102a corresponding to the phase change chamber, the heat source of the pot does not face the peripheral wall surface 102b corresponding to the phase change chamber, and the bottom wall surface 102a corresponding to the phase change chamber It is a heat receiving area.

  In some other embodiments of the present invention, as shown in FIG. 9, the phase change chamber-corresponding wall surface 102 includes a first temperature region 102c and a second temperature region 102d, preferably the first temperature region. The temperature of the region 102c is higher than the temperature of the second temperature region 102d when the kettle is heated, and the region without the non-stick coating includes the second temperature region 102d.

  Since the temperature of the first temperature region 102c is high and the received heat is the largest, and the food tends to cause scorching of the kettle due to excessive heating in the first temperature region 102c, the non-stick coating is applied to the first temperature region 102c. By providing, it is possible to reduce the probability that the hook is burnt. Since the temperature of the second temperature region 102d is relatively low, the received heat is relatively small compared to the first temperature region 102c, and the probability of scorching in the second temperature region 102d is relatively low, the second temperature region A non-stick coating may not be provided on 102d, and a region without a non-stick coating may be formed. As a result, the scorching phenomenon of the pot is effectively reduced, the cost of the pot is reduced, the processing process of the pot is reduced, and the difficulty of processing the pot is reduced. The probability is reduced and the potential danger to the user's physical safety is reduced.

  Of course, the first temperature region 102c and the second temperature region 102d may not be provided with any non-stick coating, that is, the region without the non-stick coating is the first temperature region 102c and the second temperature region 102d. Temperature region 102d.

  Specifically, as shown in FIG. 9, the phase change chamber corresponding wall surface 102 includes a phase change chamber corresponding bottom wall surface 102c and a phase change chamber corresponding peripheral wall surface 102d. The first temperature region 102c is configured, and the phase change chamber corresponding peripheral wall surface 102d configures the second temperature region 102d. That is, the temperature of the bottom wall surface 102c corresponding to the phase change chamber is relatively high, and the temperature of the peripheral wall surface 102d corresponding to the phase change chamber is relatively low. For example, the first temperature region 102c may face the heat source, and the second temperature region 102d may not face the heat source.

  Furthermore, the temperature difference between the first temperature region 102c and the second temperature region 102d is 0 ° C to 15 ° C.

  Furthermore, the temperature difference between the first temperature region 102c and the second temperature region 102d is 0 ° C to 10 ° C, more preferably 0 ° C to 8 ° C. As the temperature difference between the first temperature region 102c and the second temperature region 102d is larger, it is necessary to provide a non-stick coating on the first temperature region 102c. When the temperature difference between the first temperature region 102c and the second temperature region 102d is small, and there is no temperature difference, the first temperature region 102c and the second temperature region 102d are both non-stick coated. It may not be provided.

  In some embodiments of the present invention, referring to, for example, those shown in FIGS. 8 and 9, the phase change chamber corresponding wall surface 102 includes phase change chamber corresponding bottom wall surfaces (102a, 102c) and a phase change chamber corresponding periphery. The regions without the non-stick coating include the wall surfaces (102b, 102d) corresponding to the phase change chamber.

  The region without the non-stick coating may be only the peripheral wall surface (102b, 102d) corresponding to the phase change chamber. Of course, the region without the non-stick coating may simultaneously include the peripheral wall surfaces (102b, 102d) corresponding to the phase change chamber and the bottom wall surfaces (102a, 102c) corresponding to the phase change chamber.

  Further, as shown in FIGS. 8 and 9, non-stick coating is provided on the bottom wall surfaces (102a, 102c) corresponding to the phase change chamber. Since the bottom wall surfaces (102a, 102c) corresponding to the phase change chamber face the heat source, the temperature of the bottom wall surfaces (102a, 102c) corresponding to the phase change chamber is relatively high, and the bottom wall surfaces (102a, 102c) corresponding to the phase change chamber Foods that come into direct contact are easily carbonized by excessive heating, causing a kettle burning phenomenon.

  As a result, the hook of the embodiment of the present invention is provided with a non-stick coating only on the bottom wall surface (102a, 102c) corresponding to the phase change chamber, thereby effectively reducing the charring of the hook and reducing the cost of the hook. A reduction, a reduction in the processing process of the pot, and a reduction in the processing difficulty of the pot, at least to some extent reduce the probability of non-stick paint mixing in food and reduce the potential danger to the user's physical safety.

  In some other embodiments of the present invention, the phase change chamber corresponding wall surface 102 includes a phase change chamber corresponding bottom wall surface (102a, 102c) and a phase change chamber corresponding peripheral wall surface (102b, 102d). The change chamber-compatible bottom wall surfaces (102a, 102c) and the phase change chamber-compatible peripheral wall surfaces (102b, 102d) are both non-stick coating regions.

  As a result, the non-stick property of the hook of the present invention is realized by the double structure and the liquid phase change working medium in the double structure, and the temperatures of the bottom wall surface corresponding to the phase change chamber and the peripheral wall surface corresponding to the phase change chamber are relatively low. It is uniform. Since there is no non-stick coating on the bottom wall for the phase change chamber and the peripheral wall for the phase change chamber, it eliminates the drop-off phenomenon due to insufficient bonding force between the non-stick coating and the hook, and the non-stick coating is mixed into the food. However, it is not absorbed by the consumer and potential safety hazards to the user's body are avoided.

  At the same time, since the bottom wall surface corresponding to the phase change chamber and the peripheral wall surface corresponding to the phase change chamber of the present invention have no non-stick coating, the manufacturing difficulty of the pot is reduced, and the manufacturing process of the pot is simplified. The production efficiency of the kettle is improved and the production cost of the kettle is greatly reduced.

  In some embodiments of the present invention, the inner housing 10 is in the shape of an outer convex spherical pot. As a result, extremely strong thermal convection is formed inside the inner housing 10, boiling boiling occurs, and water is sufficiently sucked into each of the rice grains, so that the volume of the rice grains is more satisfied. At the same time, the inner housing 10 has an outwardly convex spherical pot-like design, and in accordance with the double structure of the hook, the heat receiving of the hook can be made more uniform, and the occurrence of the charring phenomenon of the hook can be further avoided. The spherical inner housing 10 can disperse the effect of gravity stacking between rice grains, and can optimize the phenomenon of scorching of the pot.

  Since at least a part of the wall 102 corresponding to the phase change chamber is an area having no non-stick coating, the charring phenomenon of the pot is effectively reduced, the manufacturing cost and the manufacturing process of the pot are reduced, and the manufacturing efficiency of the pot is improved. Effectively improve.

  In some embodiments of the present invention, the portion of the inner housing 10 that corresponds to the non-stick coating region is made of aluminum. Thereby, both the molding effect of the hook and the thermal conductivity of the hook are ensured.

  In some embodiments of the present invention, the entire inner housing 10 is an aluminum member or an iron member. As a result, both the effect of forming the hook and the thermal conductivity of the hook are ensured, and at the same time, the processing of the inner housing 10 becomes easier and the strength increases.

  In one embodiment of the present invention, as shown in FIG. 1, a hook ring of the inner housing 10 is provided with a first ring-shaped hook 101 bent outward, and a hook opening of the outer housing 20 is bent outward. The second ring-shaped collar 201 is provided, and the first ring-shaped collar 101 and the second ring-shaped collar 201 are connected so as to be sealed, and are sealed between the inner housing 10 and the outer housing 20. A phase change chamber 30 is formed.

  Preferably, the first ring-shaped rod 101 and the second ring-shaped rod 201 are integrally welded.

  By the sealing connection between the first ring-shaped collar 101 and the second ring-shaped collar 201, for example, the first ring-shaped collar 101 in the inner housing 10 and the second ring-shaped collar 201 in the outer housing 20 by a welding process. Are welded and sealed to ensure that the weld gap is completely sealed and free of gaps. Preferably, after welding, the welding gap surface is polished to form a hermetically sealed phase change chamber 30 between the inner housing 10 and the outer housing 20.

  Further, as shown in FIG. 1, a connection port is opened at the upper position of the outer wall surface of the outer housing 20, and a metal tube 60 is provided at the connection port so as to be sealed with the phase change chamber 30. The tube 60 is for injecting a liquid phase change working medium into the bottom of the phase change chamber 30, and the liquid phase change working medium is deposited on the bottom of the phase change chamber 30, and the air in the phase change chamber 30 Is discharged through the metal tube 60.

  A connection port (for example, a pore having a diameter of about 3 mm) is opened at a position close to the upper portion of the outer housing 20, and then a metal tube 60 (for example, a metal hollow copper tube) having the same diameter is inserted. , The contact position between the metal tube 60 and the hook wall is welded and sealed to realize hermetic communication between the metal tube 60 and the phase change chamber 30, and to the bottom of the phase change chamber 30 via the metal tube 60. A liquid phase change working medium is injected, air in the phase change chamber 30 is removed, and the inside of the phase change chamber 30 is maintained in a vacuum state.

  Preferably, the degree of vacuum in the phase change chamber 30 is 10 −3 Pa to 10−1 Pa. Of course, the degree of vacuum of the phase change chamber may be 10-2 Pa to 102 Pa described above.

  By controlling the degree of vacuum in the phase change chamber 30 to be 10-3 Pa to 10-1 Pa, the phase change temperature of the liquid phase change working medium is reduced, and the liquid phase change working medium is cyclically vaporized. Condensation is facilitated, temperature uniformity between the bottom and top of the pot is ensured, and temperature uniformity of each part of the entire pot is ensured. Of course, the degree of vacuum in the phase change chamber 30 is not limited to the specific numerical range described above, and can be designed according to the actual situation.

  Preferably, the inner housing 10 and the outer housing 20 are both press-formed using a stainless steel plate or an aluminum alloy plate, and the thickness range of the stainless steel plate or the aluminum alloy plate is 0.6 mm to 2.5 mm.

  By press-molding the inner housing 10 and the outer housing 20 using a stainless steel plate or an aluminum alloy plate, both the molding effect of the hook and the thermal conductivity of the hook are ensured. By using a stainless steel plate or aluminum alloy plate having a thickness in the range of 0.6 mm to 2.5 mm, both the strength of the hook and the thermal conductivity of the hook are ensured.

  Preferably, as shown in FIG. 2, the range of the width of the phase change chamber 30 is 1.5 mm to 4 mm, where the width of the phase change chamber 30 is between the outer wall surface of the inner housing 10 and the outer housing 20. It is the width of the gap formed between the inner wall surface.

  Preferably, as shown in FIG. 1, the width of the gap between the outer wall surface of the inner housing 10 and the inner wall surface of the outer housing 20 is maintained so as to substantially match.

  Furthermore, preferably, the thickness of the porous metal foam member 40 matches the width of the phase change chamber 30, and the porous metal foam member 40 has an average hole diameter of 0.2 mm to 0.4 mm. The porosity is 70% to 90%.

  Of course, the average hole diameter and the porosity of the porous metal foam member 40 are not limited to the above specific numerical values, and can be selected according to the actual situation. Preferably, the porous metal foam member 40 is made of porous foamed copper or porous foamed aluminum and cut into strips.

  Hereinafter, a hook assembly according to an embodiment of the present invention will be briefly described.

  A hook assembly according to an embodiment of the present invention includes a hook, a liquid phase change working medium, and a heating coil. The hook is the hook in the above embodiment, and the liquid phase change working medium is a phase change working medium. The heating coil provided in the change chamber 30 is for generating an alternating magnetic field that cooperates with the heating source.

  The shuttle assembly provided by the above embodiment of the present invention is a non-coated physical non-stick shuttle adopting a double structure, and a vacuum phase change chamber between the inner housing 10 and the outer housing 20 of the shuttle. 30 is formed, and a porous foam metal member 40 that is distributed radially is provided at a position near the upper portion in the phase change chamber 30. For example, the porous foam metal member 40 is bonded to the outer wall surface of the inner housing 10, A liquid phase change working medium (for example, water, ammonia, or normal hexane) is injected at a position near the bottom in the change chamber 30. In this way, the bottom of the pot is heated, and after the temperature of the bottom of the pot has increased to a certain temperature (for example, temperature> 100 ° C.), the liquid operation at a position close to the bottom of the phase change chamber 30 The medium vaporizes and volatilizes into a gas, and flows to the condensing end near the upper part in the phase change chamber 30 along the conduction gap 50 between the two adjacent porous foam metal members 40, and for effective conduction of heat. Along with this, the position near the open end of the kettle is heated, but the cooled phase change working medium condenses and becomes liquid again, and the liquid is adsorbed in the pores in the porous metal foam member 40, and the gravity is reduced. By the action, it flows along the porous metal foam member 40 to the bottom of the phase change chamber 30 and then receives heat again to re-evaporate. This heating and condensation process is constantly circulated and repeated to ensure that the temperature fields after each part of the entire kettle has been heated for several minutes are approximately matched (for example, the temperature difference is ± 4 ° C). In other words, it is ensured that the temperature of each part of the entire pot is uniformly distributed, and finally the surface of the pot has a good physical non-stick effect when cooking. Is realized. In addition, the above-mentioned kettle has reduced non-stick paint on the surface of the kettle, and it is not necessary to coat non-stick paint such as fluororesin on the kettle surface. After the non-stick paint is absorbed by the human body, the non-stick effect during cooking of the pot and the effect on the service life due to the fact that the life is relatively short and easy to drop off are effectively reduced. The potential safety hazards to your body health are effectively avoided.

  A hook assembly according to an embodiment of the present invention includes the hook in the above-described embodiment, and the hook assembly according to the embodiment of the present invention is provided with the above-described hook. The phenomenon can be significantly reduced.

  Further, the liquid phase change working medium is water, ammonia or normal hexane. In this way, the bottom of the pot is heated, and after the temperature of the bottom of the pot has increased to a certain temperature (for example, temperature> 100 ° C.), the liquid operation at a position close to the bottom of the phase change chamber 30 The medium vaporizes and volatilizes into a gas, and flows to the condensing end near the upper part in the phase change chamber 30 along the conduction gap 50 between the two adjacent porous foam metal members 40, and for effective conduction of heat. Along with this, the position near the open end of the kettle is heated, but the cooled phase change working medium condenses and becomes liquid again, and the liquid is adsorbed in the pores in the porous metal foam member 40, and the gravity is reduced. By the action, it flows along the porous metal foam member 40 to the bottom of the phase change chamber 30 and then receives heat again to re-evaporate. This heating and condensation process is constantly circulated and repeated to ensure that the temperature fields after each part of the entire kettle has been heated for several minutes are approximately matched (for example, the temperature difference is ± 4 ° C). In other words, it is ensured that the temperature of each part of the entire pot is uniformly distributed, and finally the surface of the pot has a good physical non-stick effect when cooking. Is realized.

  Below, the kitchen appliance of the Example of this invention is demonstrated easily.

  The kitchen appliance according to the embodiment of the present invention may include the hook assembly according to the above-described embodiment, and the kitchen appliance according to the embodiment of the present invention is provided with the above-described hook assembly. Can be significantly reduced.

  The kitchen appliance according to the embodiment of the present invention may include, but is not limited to, an electric rice cooker, an electric pressure cooker, and an electromagnetic stove.

  In the description of the present invention, descriptions referring to terms such as “one embodiment”, “some embodiments”, “examples”, “specific examples”, or “some examples” Alternatively, the specific features, configurations, materials, or characteristics described in the examples are included in at least one embodiment or example of the present invention. In this specification, exemplary explanations for the above terms are not necessarily referring to the same example or example. In addition, the specific features, configurations, materials, and characteristics described can be appropriately combined in any one or a plurality of embodiments or examples. It should be noted that, as long as they do not contradict each other, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples.

  As mentioned above, although the Example of this invention was shown and demonstrated, the said Example is an illustration and should not be understood as limiting this invention. Those skilled in the art can make changes, modifications, replacements and variations to the above embodiments within the scope of the present invention.

DESCRIPTION OF SYMBOLS 10 Inner housing 103 Inner wall surface of inner housing 104 Outer peripheral surface of inner housing 11 Convex structure of inner housing 102 Phase change chamber corresponding wall surface 102a Heat source facing region 102b Heat source non-facing region 102c First temperature region 102d Second temperature region 101 First ring-shaped rod 20 Outer housing 21 Convex point structure of outer housing 105 Inner peripheral surface of outer housing 201 Second ring-shaped rod 30 Phase change chamber 40 Porous metal foam member 50 Conducting gap 60 Metal tube 70 Heat source 71 1st part 72 1st part 73 1st part 74 1st part

Claims (30)

An inner housing, an outer housing connected to the inner housing, and a heating source,
A phase change chamber for accommodating a liquid phase change working medium is defined between the inner housing and the outer housing,
The heating source is provided in the inner housing and / or the outer housing and / or the phase change chamber, the heating source generates heat in cooperation with an alternating magnetic field, and the heating source has a Curie temperature characteristic. The Curie temperature of the heating source is 120 ° C. to 260 ° C.,
A kettle characterized by that. The Curie temperature of the heating source is 140 ° C. to 160 ° C.
The hook according to claim 1. The heating source is a 4J-78 iron-nickel alloy member;
The hook according to claim 2. The Curie temperature of the heating source is 190 ° C. to 240 ° C.,
The hook according to claim 1. The heating source is a 4J-38 iron nickel alloy member, a 4J-32 iron nickel alloy member, or a 4J-43 iron nickel alloy member.
The hook according to claim 4. The heating source is provided on an outer wall surface of the inner housing, and the outer housing is a non-metallic member.
The hook according to claim 1. The heating source includes a first portion provided on the bottom surface of the outer wall surface of the inner housing.
The hook according to claim 6. The heating source further includes a second portion provided on an outer peripheral surface of the outer wall surface of the inner housing, and the first portion is connected to the second portion.
The hook according to claim 7. The heating source is provided on an outer wall surface of the outer housing.
The hook according to claim 1. The heating source includes a third portion provided on the bottom surface of the outer wall surface of the outer housing.
The hook according to claim 9. The heating source further includes a fourth portion provided on an outer peripheral surface of the outer wall surface of the outer housing, and the third portion is connected to the fourth portion.
The hook according to claim 10. The fourth part is ring-shaped and is located at the lower part of the outer housing.
The hook according to claim 11. The thickness of the phase change chamber is 0.1 mm to 3.0 mm.
The hook according to claim 1. The heating source is configured as a heating layer;
The hook according to claim 1. The heating layer has a thickness of 0.4 mm to 3.0 mm.
The hook according to claim 14. The heating layer has a thickness of 0.4 mm to 2.0 mm.
The hook according to claim 15. The heating source is integrated into the inner housing so as to constitute a part of the inner housing, and the outer housing is a non-metallic member.
The hook according to claim 1. The heat source is integrated into the outer housing so as to form a part of the outer housing;
The hook according to claim 1. The inner wall surface of the inner housing includes a phase change chamber corresponding wall surface corresponding to the position of the phase change chamber, and at least a part of the phase change chamber corresponding wall surface is configured as a region without a non-stick coating.
The hook according to claim 1. The wall corresponding to the phase change chamber includes a heat source facing region facing the heating source and a heat source unfacing region, and the region without the non-stick coating includes the heat source unfacing region.
The hook according to claim 19. The heat source facing area is provided with a non-stick coating,
The hook according to claim 20. The phase change chamber corresponding wall surface includes a phase change chamber corresponding bottom wall surface constituting the heat source facing region and a phase change chamber corresponding peripheral wall surface configuring the heat source non-facing region,
The hook according to claim 21. The wall surface corresponding to the phase change chamber includes a first temperature region and a second temperature region, and the temperature of the first temperature region is higher than the temperature of the second temperature region when the kettle is heated. The region without the non-stick coating includes the second temperature region;
The hook according to claim 19. The first temperature region is provided with a non-stick coating,
24. A hook according to claim 23. The phase change chamber corresponding wall surface includes a phase change chamber corresponding bottom wall surface configuring the first temperature region and a phase change chamber corresponding peripheral wall surface configuring the second temperature region,
25. A hook according to claim 24. The temperature difference between the first temperature region and the second temperature region is 0 ° C. to 8 ° C.,
24. A hook according to claim 23. The wall surface corresponding to the phase change chamber includes a bottom wall surface corresponding to the phase change chamber and a peripheral wall surface corresponding to the phase change chamber, and the region without the non-stick coating includes the peripheral wall surface corresponding to the phase change chamber, and the phase change chamber. Non-stick coating is provided on the corresponding bottom wall, or
The wall surface corresponding to the phase change chamber includes a bottom wall surface corresponding to the phase change chamber and a peripheral wall surface corresponding to the phase change chamber, and both the peripheral wall surface corresponding to the phase change chamber and the bottom wall surface corresponding to the phase change chamber are the non-stick. An area without a coating, or
The entire inner wall surface of the inner housing is configured as a region without the non-stick coating.
The hook according to claim 19. The inner housing has an outer convex spherical pot shape,
The hook according to claim 19. A shuttle according to any one of claims 1 to 28;
A liquid phase change working medium provided in the phase change chamber;
A heating coil for generating an alternating magnetic field in cooperation with the heating source;
including,
A hook assembly characterized by that. Including a shuttle assembly according to claim 29,
A kitchen appliance characterized by that.