Carbon ceramic liner

Abstract

The invention provides a carbon ceramic inner container, and belongs to the technical field of electric cookers. The carbon ceramic inner container comprises a carbon ceramic inner container body, a magnetic conductive layer, a metal shell and an inner container protection mechanism, the magnetic conductive layer is arranged on the carbon ceramic inner container body, when the carbon ceramic inner container is used, in the process that the carbon ceramic inner container body is taken out of the electric cooker, when the carbon ceramic inner container body is overheated and falls off from the hand of a user, the magnetic conductive layer is arranged on the inner container protection mechanism. The elastic piece buffers the falling impact force of the carbon-ceramic inner container body, the risk that the carbon-ceramic inner container body is damaged is reduced, after the carbon-ceramic inner container is used for a period of time, when the elastic piece is damaged, the locking piece is taken out, the elastic piece can be taken down, and then a new elastic piece is installed on the circular ring according to the opposite steps. According to the carbon-ceramic inner container, the carbon-ceramic inner container body is protected through the elastic piece, the risk that the carbon-ceramic inner container body is damaged is reduced, the service life of the carbon-ceramic inner container body is prolonged, and better use experience is brought to a user.

Description

Technical Field

[0001] The present application relates to the technical field of electric rice cookers, and in particular to a carbon ceramic inner pot. Background Art

[0002] Bamboo plants grow fast, have strong reproductive capacity, are easy to regenerate, and bamboo has many excellent properties such as high strength and good toughness. Bamboo charcoal produced with it as raw material can be comparable to high-quality charcoal. Bamboo charcoal is hard, fine and porous, has a large specific surface area, and has strong adsorption capacity. It can not only be used as fuel, air purification and deodorization, environmental water purification, soil improvement, environmental humidity control, etc., but also can be used in high-tech fields such as anti-radiation and electromagnetic shielding materials, flame-retardant composite materials, fruit and vegetable preservation materials, health care materials, and industrial semiconductor materials. Therefore, deep processing and utilization of bamboo charcoal can not only alleviate the problem of resource pressure, but also protect the environment and take the path of sustainable development. The inner liner of electric pressure cookers, rice cookers, electric stew pots and other similar cooking utensils on the market generally uses aluminum inner liner, stainless steel inner liner, etc. Although the aluminum inner liner has fast heat transfer and short cooking time, long-term use will have an adverse effect on human health, while stainless steel inner liner and carbon ceramic inner liner will not have the above hazards, and can better meet people's needs for health and high quality. Food cooked with charcoal pottery liner cooking utensils has a unique fragrance and tastes more delicious. This feature has led to the gradual promotion and use of charcoal pottery liner cooking utensils, and they are becoming more and more popular among the public. At present, after cooking, people often take out the charcoal pottery liner from the electric rice cooker. However, due to the overheating of the charcoal pottery liner, the charcoal pottery liner often falls off from the user's hand after lifting it for a distance, causing the charcoal pottery liner to collide with the electric rice cooker, that is, the charcoal pottery liner is damaged, which reduces the service life of the charcoal pottery liner and brings a bad user experience. Summary of the invention

[0003] In order to make up for the above shortcomings, the present application provides a charcoal-ceramic inner pot, which aims to improve the problem that after cooking is completed in the current electric rice cooker with a carbon-ceramic inner pot, people often take the charcoal-ceramic inner pot out of the electric rice cooker, but due to the overheating of the charcoal-ceramic inner pot, the charcoal-ceramic inner pot often falls off from the user's hand after being lifted for a distance, causing the charcoal-ceramic inner pot to collide with the electric rice cooker, that is, the charcoal-ceramic inner pot is damaged, thereby reducing the service life of the charcoal-ceramic inner pot.

[0004] This application is implemented as follows:

[0005] The present application provides a carbon ceramic liner, comprising a carbon ceramic liner body, a magnetic conductive layer, a metal shell and a liner protection mechanism, wherein the magnetic conductive layer is arranged on the carbon ceramic liner body, the metal shell is arranged on the magnetic conductive layer, and the liner protection mechanism is arranged on the carbon ceramic liner body;

[0006] A temperature measuring blind hole is arranged at the center of the bottom of the carbon ceramic liner body, a temperature measuring through hole is arranged on the metal shell, and the top of the temperature measuring blind hole is a temperature measuring thin wall.

[0007] In one embodiment of the present application, a groove is provided on the carbon ceramic inner liner body, the equivalent depth thickness of the groove is 25 μm-75 μm, and the equivalent diameter of the groove is 180 μm-480 μm.

[0008] In one embodiment of the present application, the inner surface of the groove is a rough surface composed of a plurality of micron-sized papillae, and the papillae structure is formed by an etching process.

[0009] In one embodiment of the present application, the formula of the carbon-ceramic inner liner body is composed of the following components in percentage by weight: 69% bamboo charcoal, 11% carboxycellulose, 9% lignin, 8% glass beads and 3% stearic acid. The formula of the carbon-ceramic inner liner body is also supplemented with 18.2% propylene glycol and 6% ethylene glycol in the above-mentioned weight percentage.

[0010] In one embodiment of the present application, the magnetic conductive layer is a magnetic conductive coating layer, and the magnetic conductive coating layer is sprayed on the outer surface of the carbon ceramic liner body.

[0011] In one embodiment of the present application, the metal shell is wrapped around the outer wall of the carbon ceramic inner liner body, and the material of the metal shell is a metal that can generate heat under electromagnetic conditions.

[0012] In one embodiment of the present application, the preparation process of the carbon-ceramic liner body includes the following steps: putting the following components in weight percentage: 69% bamboo charcoal, 11% carboxycellulose, 9% lignin, 8% glass beads, and 3% stearic acid into a mixer and mixing them evenly, and adding black soil and quartz and stirring for 3 hours to obtain a mixture; filtering the prepared mixture and then pressing it; then molding it; and finally firing it to prepare the carbon-ceramic liner body.

[0013] In one embodiment of the present application, the inner liner protection mechanism includes a circular ring, a locking piece and an elastic piece. The circular ring is fixed on the outer wall of the carbon-ceramic inner liner body, the elastic piece is sleeved on the carbon-ceramic inner liner body, the elastic piece is also inserted in the circular ring, and the elastic piece is fixed to the circular ring through the locking piece.

[0014] In one embodiment of the present application, a hidden groove is provided on the circular ring, and the locking member is arranged in the hidden groove.

[0015] In one embodiment of the present application, a mounting through hole is provided on the elastic member, and the carbon ceramic liner body passes through the mounting through hole.

[0016] The beneficial effects of the present application are as follows: the present application obtains a charcoal pottery liner through the above-mentioned design. When in use, the charcoal pottery liner body itself has good alkali resistance, wear resistance, oil resistance, and corrosion resistance, and is environmentally friendly and safe to use. When the metal shell is working in the IH rice cooker, the metal shell is heated due to the IH, and the charcoal pottery liner body is heated, so that the whole body of the charcoal pottery liner body is evenly heated and quickly heated, achieving an effect similar to the high firepower of a stove surrounding a wok. After cooking with the charcoal pottery liner body, the small amount of water remaining in the charcoal pottery liner body and the small water droplets formed by water vapor in the gaps between the rice can be stored in the depressions between the grooves or protrusions, thereby forming a layer of water-moistening film, which will infiltrate the rice and the inner wall of the charcoal pottery liner body, thereby reducing the bonding strength and adhesion between the rice and the charcoal pottery liner body. The rice will not stick to the inner wall of the charcoal pottery liner body, and finally the effect of zero coating and non-stickiness is achieved. The charcoal pottery liner body will not fall off during cooking, nor will it pollute food or produce substances harmful to the human body and the environment. In the process of taking the charcoal pottery liner body out of the rice cooker, when the charcoal pottery liner body falls off from the user's hand due to overheating, the elastic part buffers the impact force of the charcoal pottery liner body falling down, and reduces the risk of damage to the charcoal pottery liner body. After a period of use, when the elastic part is damaged, the locking part is taken out, the elastic part can be removed, and then the new elastic part can be installed back on the ring according to the reverse steps above. The charcoal pottery liner uses the elastic part to protect the charcoal pottery liner body, reduces the risk of damage to the charcoal pottery liner body, that is, increases the service life of the charcoal pottery liner body, and brings a better use experience to the user. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the implementation methods of the present application, the drawings required for use in the implementation methods will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a structural schematic diagram of a carbon ceramic liner provided in an embodiment of the present application;

[0019] Figure 2 A cross-sectional view of a carbon ceramic liner provided in an embodiment of the present application;

[0020] Figure 3 Provided for the implementation of this application Figure 2 A magnified image of area A;

[0021] Figure 4 A diagram showing the relationship between the carbon ceramic liner body, the magnetic conductive layer and the metal shell provided in the embodiment of the present application.

[0022] In the figure: 110-carbon ceramic liner body; 120-magnetic conductive layer; 130-metal shell; 140-temperature measurement blind hole; 150-temperature measurement through hole; 160-temperature measurement thin wall; 170-groove; 180-liner protection mechanism; 181-ring; 182-hidden groove; 183-locking piece; 184-elastic piece; 185-installation through hole; 190-papillary. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the implementation methods of this application clearer, the technical solutions in the implementation methods of this application will be clearly and completely described below in conjunction with the drawings in the implementation methods of this application. Obviously, the described implementation methods are part of the implementation methods of this application, not all of the implementation methods. Based on the implementation methods in this application, all other implementation methods obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0024] Example

[0025] See also Figure 1-Figure 4The present application provides a technical solution: a carbon-ceramic liner, comprising a carbon-ceramic liner body 110, a magnetic conductive layer 120, a metal shell 130 and a liner protection mechanism 180, wherein the magnetic conductive layer 120 is arranged on the carbon-ceramic liner body 110, the metal shell 130 is arranged on the magnetic conductive layer 120, the liner protection mechanism 180 is arranged on the carbon-ceramic liner body 110, and a groove 170 is arranged on the carbon-ceramic liner body 110, wherein the equivalent depth thickness of the groove 170 is 25 μm-75 μm, and the groove 1 The equivalent diameter of the grooves 170 is 180 μm-480 μm, and the spacing between the grooves 170 is 390 μm-605 μm. After the carbon-ceramic inner pottery body 110 is cooked, the small amount of water remaining in the carbon-ceramic inner pottery body 110 and the small water droplets formed by the water vapor in the gaps between the rice can be stored in the depressions between the grooves or protrusions, thereby forming a layer of water-wetting film, which will infiltrate the inner wall of the carbon-ceramic inner pottery body 110 of the rice, thereby reducing the bonding strength between the rice and the carbon-ceramic inner pottery body 110. The thickness and adhesion of the carbon ceramic liner body 110 prevent the rice from sticking to the inner wall of the carbon ceramic liner body 110, and finally achieve the effect of zero coating and non-stickiness, and the coating will not fall off during cooking, nor will it pollute food and produce substances harmful to the human body and the environment. The groove 170 can be formed by machining, etching, and other methods. The plurality of grooves 170 are randomly distributed or distributed in a matrix on the bottom surface of the carbon ceramic liner body 110 and in a plurality of annular arrays on the inner side surface of the carbon ceramic liner body 110, or all are distributed in a plurality of annular arrays on the entire inner surface of the carbon ceramic liner body 110, so that the entire inner surface of the carbon ceramic liner body 110 forms the above-mentioned anti-stick surface. The inner surface of the groove 170 is a rough surface composed of a plurality of micron-level nipples 190. The nipple 190 structure is formed by etching, so that the inner surface of the groove 170 forms a bionic concave-convex structure similar to a lotus leaf, which is more conducive to the formation of a moist film, so as to further reduce the contact area between the rice and the inner surface of the groove 170, thereby improving the non-stick effect.

[0026] A temperature measuring blind hole 140 is provided at the center of the bottom of the carbon-ceramic liner body 110, a temperature measuring through hole 150 is provided on the metal shell 130, and a temperature measuring thin wall 160 is provided at the top of the temperature measuring blind hole 140. The temperature sensor is at the thin wall position of the carbon-ceramic liner body 110, which can more accurately sense the temperature of the food in the pot. The formula of the carbon-ceramic liner body 110 is composed of the following weight percentage components: 69% bamboo charcoal, 11% carboxyl cellulose, 9% lignin, 8% glass beads and 3% stearic acid. The formula of the carbon-ceramic liner body 110 also adds 18.2% propylene glycol and 6% ethylene glycol in the above formula weight percentage. The prepared carbon-ceramic liner body 110 has good alkali resistance, wear resistance, oil resistance, corrosion resistance, and is environmentally friendly and safe to use. The magnetic conductive layer 12 0 is a magnetic coating layer, which is sprayed on the outer surface of the carbon-ceramic liner body 110. The magnetic material is an iron or ferrite stainless steel material with electromagnetic induction performance. The thickness of the magnetic layer is 0.15mm-0.8mm. The magnetic layer 120 can be compositely connected with the carbon-ceramic liner body 110 through cold spraying, plasma thermal spraying, friction welding and other processes. The metal shell 130 is wrapped on the outer wall of the carbon-ceramic liner body 110. The material of the metal shell 130 is a metal that can generate heat under electromagnetic conditions, preferably an iron material. The metal shell 130 can be formed by stamping a metal sheet. When the metal shell 130 is in the IH rice cooker, the metal shell 130 is heated by IH, and the carbon-ceramic liner body 110 is heated, so that the carbon-ceramic liner body 110 is evenly heated. Heat, quickly heat up, and achieve the effect of high firepower of stove surrounding frying pan. The preparation process of carbon ceramic liner body 110 includes the following steps: put the following weight percentage components: bamboo charcoal 69%, carboxyl cellulose 11%, lignin 9%, glass beads 8%, stearic acid 3% into a mixer and mix evenly, and add black soil and quartz and stir for 3 hours to obtain a mixture; filter the prepared mixture and then press it; then form it; finally, burn it to prepare carbon ceramic liner body 110, the liner protection mechanism 180 includes a ring 181, a locking member 183 and an elastic member 184, the ring 181 is fixed on the outer wall of the carbon ceramic liner body 110, the elastic member 184 is sleeved on the carbon ceramic liner body 110, and the elastic member 184 is also Inserted in the ring 181, the elastic member 184 is fixed on the ring 181 through the locking member 183, and the elastic member 184 protects the carbon-ceramic liner body 110 from falling, effectively preventing the carbon-ceramic liner body 110 from being broken. The locking member 183 in this embodiment is a screw, and a hidden groove 182 is provided on the ring 181. The locking member 183 is arranged in the hidden groove 182. The setting of the hidden groove 182 facilitates hiding the locking member 183, effectively preventing the locking member 183 from getting in the way. A mounting through hole 185 is provided on the elastic member 184, and the carbon-ceramic liner body 110 passes through the mounting through hole 185. The setting of the mounting through hole 185 facilitates the elastic member 184 to be sleeved on the carbon-ceramic liner body 110. The elastic member 184 in this embodiment is an elastic iron sheet.

[0027] Specifically, the working principle of the carbon-ceramic liner is as follows: when in use, the carbon-ceramic liner body 110 itself has good alkali resistance, wear resistance, oil resistance, and corrosion resistance, and is environmentally friendly and safe to use. When the metal shell 130 is working in the IH rice cooker, the metal shell 130 heats up due to the IH, and heats the carbon-ceramic liner body 110, so that the carbon-ceramic liner body 110 is evenly heated all over, and is quickly heated to achieve an effect like a high-fire stove surrounding a wok. After cooking with the carbon-ceramic liner body 110, the small amount of water remaining in the carbon-ceramic liner body 110 and the small water droplets formed by the water vapor in the gaps between the rice can be stored in the groove 170 or the depressions between the protrusions, thereby forming a layer of water-wetting film, which will infiltrate the rice and the inner wall of the carbon-ceramic liner body 110, thereby reducing the bonding strength and adhesion between the rice and the carbon-ceramic liner body 110, so that the rice will not stick to the carbon-ceramic liner body 1 10, and finally achieve the effect of zero coating and non-stick, and will not fall off during cooking, nor will it contaminate food and produce substances harmful to the human body and the environment. In the process of taking the charcoal-ceramic inner pot body 110 out of the rice cooker, when the charcoal-ceramic inner pot body 110 falls off from the user's hand due to overheating, the elastic member 184 buffers the impact force of the charcoal-ceramic inner pot body 110 falling down, reducing the risk of damage to the charcoal-ceramic inner pot body 110. After a period of use, when the elastic member 184 is damaged, the locking member 183 is taken out, and the elastic member 184 can be removed, and then the new elastic member 184 can be installed back on the ring 181 according to the reverse steps above. The charcoal-ceramic inner pot uses the elastic member 184 to protect the charcoal-ceramic inner pot body 110, reducing the risk of damage to the charcoal-ceramic inner pot body 110, that is, the service life of the charcoal-ceramic inner pot body 110 is increased, and a better use experience is brought to the user.

[0028] The above are only embodiments of the present application and are not intended to limit the scope of protection of the present application. For those skilled in the art, the present application may have various changes and variations. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application should be included in the scope of protection of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

Claims

1. A carbon ceramic liner, characterized in that: The invention comprises a carbon-ceramic liner body (110), a magnetic conductive layer (120), a metal shell (130) and a liner protection mechanism (180), wherein the magnetic conductive layer (120) is arranged on the carbon-ceramic liner body (110), the metal shell (130) is arranged on the magnetic conductive layer (120), and the liner protection mechanism (180) is arranged on the carbon-ceramic liner body (110); A temperature measurement blind hole (140) is provided at the center of the bottom of the carbon ceramic liner body (110), a temperature measurement through hole (150) is provided on the metal shell (130), and a temperature measurement thin wall (160) is provided at the top of the temperature measurement blind hole (140).

2. A carbon ceramic liner according to claim 1, characterized in that: The carbon ceramic liner body (110) is provided with a groove (170), the equivalent depth thickness of the groove (170) is 25 μm-75 μm, and the equivalent diameter of the groove (170) is 180 μm-480 μm.

3. A carbon ceramic liner according to claim 2, characterized in that: The inner surface of the groove (170) is a rough surface composed of a plurality of micrometer-level mastoids (190), and the mastoid (190) structure is formed by etching process.

4. The carbon ceramic liner according to claim 1, characterized in that: The formula of the carbon-ceramic inner liner body (110) is composed of the following components in percentage by weight: 69% bamboo charcoal, 11% carboxyl cellulose, 9% lignin, 8% glass microspheres and 3% stearic acid. The formula of the carbon-ceramic inner liner body (110) also contains 18.2% propylene glycol and 6% ethylene glycol in the above-mentioned weight percentage.

5. The carbon ceramic liner according to claim 1, characterized in that: The magnetic conductive layer (120) is a magnetic conductive coating layer, and the magnetic conductive coating layer is sprayed on the outer surface of the carbon ceramic liner body (110).

6. The carbon ceramic liner according to claim 1, characterized in that: The metal shell (130) is wrapped around the outer wall of the carbon ceramic liner body (110), and the material of the metal shell (130) is a metal that can generate heat under electromagnetic conditions.

7. The carbon ceramic liner according to claim 1, characterized in that: The preparation process of the carbon ceramic liner body (110) comprises the following steps: putting the following components in weight percentage: 69% bamboo charcoal, 11% carboxyl cellulose, 9% lignin, 8% glass beads, and 3% stearic acid into a mixer and mixing them evenly, and then adding black soil and quartz and stirring for 3 hours to obtain a mixture; filtering the prepared mixture and then pressing it; then forming it; and finally firing it to obtain the carbon ceramic liner body (110).

8. The carbon ceramic liner according to claim 1, characterized in that: The liner protection mechanism (180) comprises a circular ring (181), a locking member (183) and an elastic member (184); the circular ring (181) is fixed on the outer wall of the carbon-ceramic liner body (110); the elastic member (184) is sleeved on the carbon-ceramic liner body (110); the elastic member (184) is also inserted into the circular ring (181); and the elastic member (184) is fixed on the circular ring (181) via the locking member (183).

9. The carbon ceramic liner according to claim 8, characterized in that: The circular ring (181) is provided with a hidden groove (182), and the locking member (183) is arranged in the hidden groove (182).

10. The carbon ceramic liner according to claim 8, characterized in that: The elastic member (184) is provided with a mounting through hole (185), and the carbon ceramic liner body (110) passes through the mounting through hole (185).

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