CN220512663U - Off-line heat-preserving electric cooker - Google Patents
Off-line heat-preserving electric cooker Download PDFInfo
- Publication number
- CN220512663U CN220512663U CN202322340945.5U CN202322340945U CN220512663U CN 220512663 U CN220512663 U CN 220512663U CN 202322340945 U CN202322340945 U CN 202322340945U CN 220512663 U CN220512663 U CN 220512663U
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- China
- Prior art keywords
- heat
- heat preservation
- pot liner
- shell seat
- heating device
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- 238000004321 preservation Methods 0.000 claims abstract description 51
- 229910052751 metal Inorganic materials 0.000 claims abstract description 45
- 239000002184 metal Substances 0.000 claims abstract description 45
- 238000010438 heat treatment Methods 0.000 claims abstract description 38
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 19
- 235000007164 Oryza sativa Nutrition 0.000 claims description 11
- 235000009566 rice Nutrition 0.000 claims description 11
- 239000011490 mineral wool Substances 0.000 claims description 10
- 239000000378 calcium silicate Substances 0.000 claims description 9
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 9
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 6
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 4
- 238000005485 electric heating Methods 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 241000209094 Oryza Species 0.000 claims 9
- 235000013305 food Nutrition 0.000 abstract description 12
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 229920000742 Cotton Polymers 0.000 description 10
- 229910052500 inorganic mineral Inorganic materials 0.000 description 8
- 239000012774 insulation material Substances 0.000 description 8
- 239000011707 mineral Substances 0.000 description 8
- 239000011435 rock Substances 0.000 description 8
- 238000009413 insulation Methods 0.000 description 7
- 239000002994 raw material Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000011810 insulating material Substances 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 238000010411 cooking Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 240000007594 Oryza sativa Species 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 229910052895 riebeckite Inorganic materials 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011777 Corchorus aestuans Nutrition 0.000 description 1
- 240000000491 Corchorus aestuans Species 0.000 description 1
- 235000010862 Corchorus capsularis Nutrition 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 238000010793 Steam injection (oil industry) Methods 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229940009868 aluminum magnesium silicate Drugs 0.000 description 1
- WMGSQTMJHBYJMQ-UHFFFAOYSA-N aluminum;magnesium;silicate Chemical compound [Mg+2].[Al+3].[O-][Si]([O-])([O-])[O-] WMGSQTMJHBYJMQ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000000703 high-speed centrifugation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000010977 jade Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Abstract
The utility model discloses an off-line heat-preserving electric cooker, which comprises a heat-preserving pot cover, a shell seat, a metal pot liner, a heating device and a controller, wherein the heat-preserving pot cover is arranged on the shell seat; the heat preservation pot cover is connected to the top of the shell seat in an openable way; the top of the shell seat is provided with an opened pot liner mounting cavity; the bottom of the metal pot liner is connected with a heating device; the side wall of the shell seat is fixedly provided with a controller; the heating device is connected with the controller through an electric wire; the metal pot liner is put into the pot liner mounting cavity from the top; the top flange of the metal pot liner is in sealing connection with the cavity opening of the pot liner mounting cavity; a surrounding cavity is formed between the shell seat and the metal pot liner, a heat preservation device is arranged in the surrounding cavity, and the heat preservation device wraps the outer wall of all the metal pot liner and the heating device; the product has high heat utilization rate; after the metal pot liner is boiled with food, after the power supply is pulled out, the internal heat is difficult to diffuse outwards, so that the heat preservation time is greatly prolonged, and the off-line heat preservation function is formed; can be used as thermos bottle.
Description
Technical Field
The utility model relates to a cooker for cooking, in particular to an off-line heat-preserving electric cooker.
Background
Chinese patent literature publication No.: CN219166160U discloses a small-sized electric cooker with a ceramic inner pot, comprising an outer pot, a top cover, an inner pot, a temperature probe capable of detecting the temperature of the inner pot, and a heating device capable of heating the inner pot, wherein the heating device and the temperature probe are both arranged at the bottom of the outer pot, and the temperature probe is positioned in the center of the heating device; the inner pot is placed in an inner cavity of the outer pot, the top cover is covered on an opening at the top of the inner pot, the inner pot is a ceramic inner pot, a concave part is arranged in the center of the bottom surface of the ceramic inner pot, and the thickness of the concave part is smaller than that of the periphery of the bottom of the ceramic inner pot; the top surface of the concave part is a temperature detection plane, and the temperature probe is elastically contacted with the temperature detection plane.
The outer pot and the inner pot of the product are empty, have a cavity and are not provided with heat insulation materials, and the heating device and the inner pot can radiate heat outwards in the process of cooking foods, so that the heat utilization efficiency is not high enough; furthermore, after the food is cooked, the heat preservation time is short, and particularly in autumn or winter, the food is cooled quickly.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the off-line heat preservation electric cooker which has reasonable structural design, prolongs the heat preservation time after a power supply is pulled out and is convenient for a user to carry out off-line heat preservation.
The scheme for solving the technical problems is as follows:
an off-line heat-preserving electric cooker comprises a heat-preserving pot cover, a shell seat, a metal pot liner, a heating device and a controller; the heat preservation pot cover is connected to the top of the shell seat in an openable way; the top of the shell seat is provided with an opened pot liner mounting cavity; the bottom of the metal pot liner is connected with a heating device; the side wall of the shell seat is fixedly provided with a controller; the heating device is connected with the controller through an electric wire; the metal pot liner is put into the pot liner mounting cavity from the top; the method is characterized in that: the top flange of the metal pot liner is in sealing connection with the cavity opening of the pot liner mounting cavity; a surrounding cavity is formed between the shell seat and the metal pot liner, a heat preservation device is arranged in the surrounding cavity, and the heat preservation device wraps the outer wall of all the metal pot liner and the heating device.
The offline heat-preserving electric cooker has the beneficial effects that: 1. when the heating device works, the heat is not easy to radiate outwards, and the heat is basically used on the metal pot liner, so that the heating device has high heat utilization rate; 2. after the metal pot liner is boiled with food, the heat of the metal pot liner and the food is difficult to diffuse outwards due to the heat preservation device after the power supply is pulled off, so that the heat preservation time is greatly prolonged, and the off-line heat preservation function is formed; can be used as a thermos bottle, and is convenient for users to carry and eat after boiling food at home.
Drawings
FIG. 1 is a perspective view of a product of the present utility model;
FIG. 2 is a perspective view of the product of the utility model with the lid open;
FIG. 3 is a perspective view of the product housing base and the metal pot liner of the utility model after being disassembled;
FIG. 4 is a cross-sectional view of the product of the utility model without the insulating means;
fig. 5 is a cross-sectional view of a product of the utility model.
The heat preservation pot cover 1, the shell seat 2, the metal pot liner 3, the heating device 4, the temperature control device 41, the controller 5, the pot liner installation cavity 6, the surrounding cavity 7, the heat preservation device 8 and the handle 9.
Detailed Description
An off-line heat-preserving electric cooker is round and comprises a heat-preserving pot cover 1, a shell seat 2, a metal pot liner 3, a heating device 4 and a controller 5; the heat preservation pot cover 1, the shell seat 2, the metal pot liner 3, the heating device 4 and the controller 5 can be made of the existing structural technology products; the power of the electric cooker is below 100 watts, and the electric cooker is mainly a small product, and the volume of the metal pot liner 3 is generally 1.5-3 liters, so that the electric cooker can be eaten by 1-2 people; the heat preservation pot cover 1 is connected to the top of the shell seat 2 in an openable way through a threaded structure or a hinged structure, and the heat preservation pot cover 1 is in sealing connection with the shell seat 2 when being connected, so that the heat preservation pot cover is a technology of the existing product connection structure; the heat preservation pot cover 1 is provided with steam holes; the top of the shell seat 2 is provided with an opened pot liner installation cavity 6; the bottom of the metal pot liner 3 is welded and connected with a heating device 4, so that the heat transfer efficiency is high; the side wall of the shell seat 2 is fixedly provided with a controller 5 by using screws, and the controller 5 is used for controlling the on-off, heating time and temperature of a power supply of the heating device 4; the heating device 4 is connected with the controller 5 through an electric wire; the metal pot liner 3 is put into the pot liner installation cavity 6 from the top; the main technical improvement of the product is as follows: the top flanging of the metal pot liner 3 is in sealing connection with the cavity opening of the pot liner mounting cavity 6 (namely, the top flanging of the metal pot liner 3 is tightly screwed and fixedly connected with the shell seat 2 through a colloid sealing ring and screw assembly or the top of the shell seat 2 and the top flanging of the metal pot liner 3 are integrally injection-molded, wrapped and sealed), so that the shell seat 2 and the metal pot liner 3 are fixedly connected into a whole, cannot be disassembled and separated, and prevent water with gaps from leaking into the interior; a surrounding cavity 7 is formed between the shell seat 2 and the metal pot liner 3, and the surrounding cavity 7 belongs to a part of the pot liner installation cavity 6 and belongs to the space left after the metal pot liner 3 is installed; a heat preservation device 8 is arranged in the surrounding cavity 7, the heat preservation device 8 wraps the outer wall of all the metal pot liner 3 and the heating device 4, and the heat preservation device 8 is clamped between the shell seat 2 and the metal pot liner 3; the thickness of the heat preservation device is 1 cm-3 cm; when the heating device 4 works, the heat is not easy to radiate outwards, and the heat is basically used on the metal pot liner 3, so that the heat utilization rate is high; after the metal pot liner 3 is used for boiling food, the heat preservation device 8 is arranged after the power supply is pulled out, so that the heat of the metal pot liner 3 and the food in the metal pot liner is difficult to diffuse outwards, the heat preservation time is greatly prolonged, and the off-line heat preservation function is formed; the vacuum flask is convenient to use, and a user can conveniently carry the food out for eating after boiling the food at home, for example, 1: in rural areas, the rice is cooked in the morning and brought into the farm land, and the rice is eaten in noon or afternoon; for example 2: working, cooking in the morning, taking to factories/companies, and eating in noon or afternoon; for example 3; after the infant/child is boiled with the food, the infant/child can be kept warm for a lot of time and can be fed at any time; is especially suitable for autumn or winter.
The heat-insulating pot cover 1 comprises a heat-insulating inner layer, a middle heat-insulating layer and a heat-insulating outer layer, wherein the heat-insulating inner layer and the heat-insulating outer layer are made of plastics and are connected and sealed and fixed through viscose; an intermediate heat-insulating layer is clamped between the heat-insulating inner layer and the heat-insulating outer layer, and the intermediate heat-insulating layer is made of heat-insulating foam or heat-insulating asbestos or cotton materials.
The middle of the bottom of the heating device 4 is fixedly provided with a temperature control device 41 through a screw, the temperature control device 41 is connected with the controller 5 through a wire, the temperature control device is a temperature sensor or a temperature controller, and the heating device is safe in electricity consumption and automatically converts into a micro-heating heat preservation function after being cooked. The heat preservation device 8 is resistant to high temperature of more than 150 ℃, and has good durability and safety. The heat preservation device 8 is made of mineral wool heat preservation material or rock wool heat preservation material or calcium silicate heat preservation material or composite silicate heat preservation material. The bottom of the metal pot liner 3 is welded and connected with a heating device 4, so that the firmness is good. The heating device 4 is an electric heating plate or an electronic heating sheet or an electric heating coil pipe, and can be used as a general electronic element. The heat preservation pot cover 1 and the top of the shell seat 2 are connected in an openable mode through a threaded structure, and the heat preservation pot cover 1 is convenient to open. The top of heat preservation pot cover 1 or shell seat 2 outer wall fixedly connected with handle 9, conveniently carry, preferably: the top of the heat preservation pot cover 1 is fixedly connected with a handle 9. The shell seat 2 is made of plastic, is formed by plastic mechanical processing, is attractive in appearance and is easy to produce. The metal pot liner 3 is made of aluminum or stainless steel and is a universal material.
Mineral wool thermal insulation material or rock wool thermal insulation material, the main components of substances are SiO2 and Al2O3, and the balance is CaO, a small amount of MgO, fe2O3 and other substances. The rock wool is prepared from natural igneous rock such as basalt and diabase as main raw materials, and a proper amount of auxiliary materials, binders and the like by high-temperature melting, centrifugal spraying and blowing to obtain fibers; the rock wool is mainly prepared by a blowing method, a centrifugal method and a centrifugal blowing method. At present, the mineral (rock) cotton at home and abroad adopts the conventional production technology, namely raw materials are melted into liquid state at high temperature, then are made into fine fibers by high-pressure air and steam injection or high-speed centrifugation, so as to obtain the raw cotton of the mineral (rock) cotton, and then the raw cotton is made into the required series products such as plates, tubes, grains, shells and the like by different technologies. The porous fibrous structure of mineral (rock) cotton ensures that the heat conductivity coefficient of the mineral (rock) cotton is only 0.04W/(m.K) at room temperature, and has good heat insulation performance; meanwhile, the rock wool board also has certain compressive strength. The mineral (rock) cotton and its serial products have the advantages of heat insulation, sound absorption, sound insulation, flame retardance, high temperature resistance, corrosion resistance, moth resistance, etc., so that it is widely used as industrial heat insulation materials. The mineral (rock) cotton is usually used at a temperature below 600 ℃ and a maximum use temperature of 650 ℃, so that the mineral (rock) cotton is a common heat-insulating material used at home and abroad at present. More is now applied in buildings with fire rating requirements; the rock wool can be used as a heat insulation material alone, and can be used for preparing a mixed composite material with phenolic resin, jute fiber and other materials according to a certain proportion.
The calcium silicate heat insulating material is also called microporous calcium silicate heat insulating material, and the manufacturing raw materials are siliceous raw materials such as lime, asbestos and the like; the calcium silicate heat insulation material has the advantages of fire resistance, heat insulation, small volume weight, certain mechanical strength in a high-temperature environment, excellent performance and wide application in thermal equipment in the industries of metallurgy, ships and the like. The thermal conductivity of the calcium silicate material is about 0.05W/(mK). The calcium silicate heat insulation material is a microporous calcium silicate heat insulation material or a calcium silicate composite nano-pore super heat insulation fireproof plate material.
The composite silicate refractory heat insulating material is one kind of closed pore type netted structure material with solid matrix connected, and is prepared with special non-metal ore of aluminum magnesium silicate as base material, quantitative supplementary material and stuffing material and proper chemical additive. The heat insulation property is that the material has a closed micropore net structure and is generally prepared from mineral raw materials such as martial stone, white jade and the like by using an electrostatic principle and a wet process. The main chemical components of the alloy are SiO2 and MgO, and a small amount of Fe2O3, caO, al2O3, mnO2 and the like; the thermal conductivity at room temperature was 0.031W/(mK), and the thermal conductivity at 350℃was 0.117W/(mK). The composite silicate material has flame retardation, heat insulation, certain tensile and impact resistance in mechanics, and is commonly used in industries such as metallurgy, electric power, chemical industry and the like.
Claims (10)
1. An off-line heat-preserving electric cooker comprises a heat-preserving pot cover, a shell seat, a metal pot liner, a heating device and a controller; the heat preservation pot cover is connected to the top of the shell seat in an openable way; the top of the shell seat is provided with an opened pot liner mounting cavity; the bottom of the metal pot liner is connected with a heating device; the side wall of the shell seat is fixedly provided with a controller; the heating device is connected with the controller through an electric wire; the metal pot liner is put into the pot liner mounting cavity from the top; the method is characterized in that: the top flange of the metal pot liner is in sealing connection with the cavity opening of the pot liner mounting cavity; a surrounding cavity is formed between the shell seat and the metal pot liner, a heat preservation device is arranged in the surrounding cavity, and the heat preservation device wraps the outer wall of all the metal pot liner and the heating device.
2. The offline heat-preserving electric rice cooker as claimed in claim 1, wherein: the bottom of the heating device is fixed with a temperature control device, and the temperature control device is connected with the controller through an electric wire.
3. The offline heat-preserving electric rice cooker as claimed in claim 1, wherein: the heat preservation device is resistant to high temperature of more than 150 ℃.
4. An off-line insulated rice cooker according to claim 1 or 3, wherein: the heat preservation device is made of mineral wool heat preservation materials or rock wool heat preservation materials or calcium silicate heat preservation materials or composite silicate heat preservation materials.
5. The offline heat-preserving electric rice cooker as claimed in claim 1, wherein: the bottom of the metal pot liner is welded and connected with a heating device.
6. The offline heat-preserving electric rice cooker according to claim 1 or 5, wherein: the heating device is an electric heating disc or an electronic heating sheet or an electric heating coil.
7. The offline heat-preserving electric rice cooker according to claim 1 or 5, wherein: the heat preservation pot cover and the top of the shell seat are connected in an openable mode through a threaded structure.
8. The offline heat-preserving electric rice cooker according to claim 1 or 5, wherein: the top of the heat preservation pot cover or the outer wall of the shell seat is fixedly connected with a handle.
9. The offline heat-preserving electric rice cooker according to claim 1 or 5, wherein: the housing seat is made of plastic.
10. The offline heat-preserving electric rice cooker according to claim 1 or 5, wherein: the metal pot liner is made of aluminum or stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322340945.5U CN220512663U (en) | 2023-08-29 | 2023-08-29 | Off-line heat-preserving electric cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322340945.5U CN220512663U (en) | 2023-08-29 | 2023-08-29 | Off-line heat-preserving electric cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220512663U true CN220512663U (en) | 2024-02-23 |
Family
ID=89938207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322340945.5U Active CN220512663U (en) | 2023-08-29 | 2023-08-29 | Off-line heat-preserving electric cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220512663U (en) |
-
2023
- 2023-08-29 CN CN202322340945.5U patent/CN220512663U/en active Active
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