CN2774344Y - Electric heating pot - Google Patents
Electric heating pot Download PDFInfo
- Publication number
- CN2774344Y CN2774344Y CN 200520003466 CN200520003466U CN2774344Y CN 2774344 Y CN2774344 Y CN 2774344Y CN 200520003466 CN200520003466 CN 200520003466 CN 200520003466 U CN200520003466 U CN 200520003466U CN 2774344 Y CN2774344 Y CN 2774344Y
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- CN
- China
- Prior art keywords
- pipe
- metal
- electric heating
- tube
- electric food
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to an electric heating pot, particularly an electric heating pot which adopts an electric heating pipe, wherein the electric heating pipe adopts a U-shaped metal pipe formed by extrusion forming as an outer pipe, a metal inner pipe is arranged in the outer pipe and the outside plane of the outer pipe is provided with a metal plate. The electric heating pot provided by the utility model has high thermal efficiency, short heating time and small power consumption. The electric heating pot is provided with the electric heating pipe, the metal plate and a pot body, wherein the electric heating pipe is provided with an outer metal pipe. The cross section of the outer metal pipe forms a U shape, and the top part is a plane. The inner pipe is arranged in the outer metal pipe, and a heating wire is arranged in the inner pipe. Insulating mediums fill the space between the inner wall of the inner pipe and the heating wire, and both ends of the heating wire are respectively provided with a wire connecting terminal. Because the utility model adopts the metal pipe which has a U-shaped cross section and is formed by extrusion forming as the outer pipe of the electric heating pipe and a metal aluminum sheet is arranged on the top part of the plane of the electric heating pipe, good contact exists between the pot body and the metal aluminum sheet and between the metal aluminum sheet and the electric heating pipe. The utility model has high thermal efficiency, shortens the heating time and saves the power consumption.
Description
Technical field
The utility model relates to a kind of electric food warmer, and especially a kind of employing U-shaped extrusion modling metal tube is an outer tube, is provided with the electrothermal tube of metal inner pipe in the outer tube, and the outer side plane of outer tube is provided with the electric food warmer of metallic plate.
Background technology
The electrothermal tube that existing electric food warmer adopts is typically provided with 1 metal tube, establishes heating wire in metal tube, and fills magnesia powder, or at the fixing heating of the outer surface of pipe, the ubiquity heat transfer efficiency is low, thermal waste greatly, be difficult for shortcoming such as repair and replacement.Notification number comprises a metal outer pipe for the patent of CN2514614Y provides a kind of electrothermal tube, is filled with magnesia powder in the pipe.A metal eduction rod is equipped with at the two ends of pipe respectively, be connected with a low-power minor diameter coil heating silk between the two metal eduction rods, the periphery of a metal eduction rod is with a metal fairlead therein again, be filled with dielectric between metal fairlead and the metal eduction rod, be connected with a high power large-diameter coil heating wire between metal fairlead and another root metal eduction rod.The patent No. provides a kind of electrothermal tube for the patent of ZL00228351.4, comprise outer tube, interior pipe and heating, and the vacuum layer for sealing between the interior pipe, the low boiling heat transfer medium be full of in the vacuum layer, the inner chamber of pipe in heating places, the outer surface of outer tube is provided with fin.Notification number is that 1055097 patent application discloses a kind of electrothermal tube, be in the metal tube of resistance wire is housed, to pour into the boric acid of magnesia (or quartz sand) and a small amount of (2.5%-7.5%) as insulating materials, heating is roasted again, make boric acid thoroughly resolve into boron oxide and water vapour, water vapour is discharged, and boron oxide and magnesia (quartz sand) bonding becomes one.The patent No. provides a kind of new-type carbon fiber electric heating tube for the patent of ZL03214689.2, it adopts carbon fiber bundle, carbon fiber knit band to replace common nichrome, molybdenum filament, tungsten filament material to make heater, carbon fiber exothermic part twines or attached on the insulator, power lead is connected with the end of carbon fiber exothermic part from the two ends of external insulation housing inner chamber respectively by connecting line.Be locked at last among the external insulation housing of making by quartzy class vitreous insulating material.The surface of insulation shell is provided with bleeding point outside, so that extract the gas in the external insulation housing out the formation vacuum, charges into inert gas again.The shortcoming that adopts the electric food warmer of above-mentioned electrothermal tube mainly is that the thermal efficiency is low, and heat time heating time is long, and power consumption is big.
Summary of the invention
The utility model aims to provide a kind of thermal efficiency height, and heat time heating time is short, the electric food warmer that power consumption is little.For this reason the utility model by the following technical solutions, promptly adopting U-shaped extrusion modling metal tube is outer tube, is provided with the electrothermal tube of metal inner pipe in the outer tube, the outer side plane of outer tube is provided with metallic plate.
The utility model is provided with electrothermal tube, metallic plate and pot body, said electrothermal tube is provided with 1 outer metal tube, its cross section takes the shape of the letter U, the top is the plane, be provided with interior pipe outside in the metal tube, in interior pipe, be provided with heating wire, between inner tube wall and heating wire, fill dielectric, binding post is established at the heating wire two ends, is used to connect power line.Metallic plate is located on the electrothermal tube top, and the pot body is located at the metallic plate upper surface.Said metallic plate can adopt circular aluminium sheet.Adopt welding between the top plan of outer metal tube and the metallic plate.The pot body can be established handle or handle, can establish pot cover in addition.
Said outer metal tube is the extrusion modling pipe, selects steel pipe, aluminum pipe or copper pipe etc. for use.Said extrusion modling pipe is meant the metal tube by the extrusion process moulding.
Pipe can be selected copper pipe, aluminum pipe or steel pipe etc. for use in said.Said outer metal tube inner chamber is a round tube, and the diameter of round tube i.e. outer metal interior diameter is preferably identical with said interior pipe overall diameter.
Said dielectric can be selected magnesium powder etc. for use.
Compare with existing electric food warmer, because it is the outer tube of the extrusion modling metal tube of U-shaped as electrothermal tube that the utility model adopts cross section, on the planar top of electrothermal tube, be provided with metal aluminum sheet again, make and all have excellent contact between pot body and metal aluminum sheet, metal aluminum sheet and the electrothermal tube, the heat-conducting efficiency height, shortened heat time heating time, the power consumptive province.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the cross-sectional structure figure of the outer metal tube of the utility model embodiment.
The specific embodiment
As Figure 1-3, the utility model is provided with metal aluminum sheet 1, electrothermal tube 2 and pot body 3, electrothermal tube 2 is provided with 1 outer metal aluminum pipe 21, and its cross section takes the shape of the letter U, and top 211 is the plane, the inner chamber of outer metal aluminum pipe 21 is a round tube 212, pipe 22 is provided with heating wire 23 in being provided with in the metal aluminum pipe 21 outside in interior pipe 22, fills dielectric 24 between interior pipe 22 endosexines and heating wire 23, binding post 25 is established at heating wire 23 two ends, is used to connect power line.Metal aluminum sheet 1 is located on the top of outer metal aluminum pipe 21 of electrothermal tube 2, and pot body 3 is located at the upper surface of metal aluminum sheet 1, and the bottom of pot body 3 is made as tabular, makes bottom of pot body closely contact with the upper surface of metal aluminum sheet.Metal aluminum sheet adopts circular aluminium sheet, and its size matches with the bottom of pot body.Adopt welding between the top plan of outer metal aluminum pipe and the metal aluminum sheet.Pot body 3 is established handle 31, can establish pot cover in addition.
Said outer metal tube is the extrusion modling pipe, selects aluminum pipe for use.Said extrusion modling pipe is meant the metal tube by the extrusion process moulding.
The interior pipe 22 of outer metal aluminum pipe 21 can be selected copper pipe, aluminum pipe or steel pipe etc. for use, and said outer metallic aluminium tube cavity is a round tube, and the diameter of round tube i.e. outer metal interior diameter is identical with said interior pipe overall diameter.
Said dielectric is selected the magnesium powder for use.
As embodiment, when the cold resistance of heating wire is 22.63-26.40 Ω, when rated voltage was 120V, rated power was 600W; When the cold resistance of heating wire is 83.14-96.99 Ω, when rated voltage was 230V, rated power was 600W.Proof voltage is 1500V/2 second, and the cut-out electric current is 0.5mA, and cold insulation is more than the 10M Ω, when using rated voltage, leaks the Vent electric current and is no more than 0.5mA, is applicable to the domestic electric heating pot fully.When this electrothermal tube was used for the domestic electric heating pot, aluminium extruded shape pipe adopted the stove weldering and the bottom of metal aluminum sheet to weld, and the bottom of metal aluminum sheet adopts the stove weldering to be connected with the bottom of pot body again.
Claims (9)
1, a kind of electric food warmer, be provided with electrothermal tube and pot body, it is characterized in that also being provided with metallic plate, said electrothermal tube is provided with 1 outer metal tube, and its cross section takes the shape of the letter U, and the top is the plane, be provided with interior pipe outside in the metal tube, be provided with heating wire in interior pipe, fill dielectric between inner tube wall and heating wire, binding post is established at the heating wire two ends; Metallic plate is located on the electrothermal tube napex, and the pot body is located at the metallic plate upper surface.
2, a kind of electric food warmer as claimed in claim 1 is characterized in that said metallic plate adopts circular aluminium sheet.
3, a kind of electric food warmer as claimed in claim 1 is characterized in that adopting between the top plan of outer metal tube and the metallic plate welding.
4, a kind of electric food warmer as claimed in claim 1 is characterized in that a pot body establishes handle or handle.
5, a kind of electric food warmer as claimed in claim 1 is characterized in that establishing pot cover on pot body.
6, a kind of electric food warmer as claimed in claim 1 is characterized in that said outer metal tube is the extrusion modling pipe, selects steel pipe, aluminum pipe or copper pipe for use.
7, a kind of electric food warmer as claimed in claim 1, it is characterized in that said in pipe select copper pipe, aluminum pipe or steel pipe for use.
8, as claim 1 or 3 or 6 described a kind of electric food warmers, it is characterized in that said outer metal tube inner chamber is a round tube, the diameter of round tube i.e. outer metal interior diameter is identical with said interior pipe overall diameter.
9, a kind of electric food warmer as claimed in claim 1 is characterized in that said dielectric selects the magnesium powder for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520003466 CN2774344Y (en) | 2005-01-14 | 2005-01-14 | Electric heating pot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520003466 CN2774344Y (en) | 2005-01-14 | 2005-01-14 | Electric heating pot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2774344Y true CN2774344Y (en) | 2006-04-26 |
Family
ID=36748642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520003466 Expired - Lifetime CN2774344Y (en) | 2005-01-14 | 2005-01-14 | Electric heating pot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2774344Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107411574A (en) * | 2017-09-06 | 2017-12-01 | 中山市金中电热科技有限公司 | One kind is new can lightening surge preventing aluminum pipe heat-generating disc |
| CN109618434A (en) * | 2019-01-28 | 2019-04-12 | 赵地盖 | A kind of heat-generating pipe and its processing technology |
-
2005
- 2005-01-14 CN CN 200520003466 patent/CN2774344Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107411574A (en) * | 2017-09-06 | 2017-12-01 | 中山市金中电热科技有限公司 | One kind is new can lightening surge preventing aluminum pipe heat-generating disc |
| CN109618434A (en) * | 2019-01-28 | 2019-04-12 | 赵地盖 | A kind of heat-generating pipe and its processing technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150114 Granted publication date: 20060426 |