CN2415280Y - Electrothermal film heater - Google Patents
Electrothermal film heater Download PDFInfo
- Publication number
- CN2415280Y CN2415280Y CN 99256777 CN99256777U CN2415280Y CN 2415280 Y CN2415280 Y CN 2415280Y CN 99256777 CN99256777 CN 99256777 CN 99256777 U CN99256777 U CN 99256777U CN 2415280 Y CN2415280 Y CN 2415280Y
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- metal
- electric heating
- control section
- heating plate
- described casing
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Abstract
The utility model discloses an electrothermal film heater, which comprises a box body, an inner cavity, a control section, and an insulating plate. The surfaces of metal sheet materials are coated with high-temperature insulation coating material which is coated with electrothermal coating material, and then, the metal sheet materials which are used as metal electrothermal plates are directly prepared with metal electrodes; the box body is formed by the metal electrothermal plates which are connected together, and one of the metal electrothermal plates can be opened; the inner cavity which is formed by adopting metal plates which are punched into a box shape, and then, the inner cavity is arranged in the box body, and the inner layer of the opened metal electrothermal plate is added with a piece of the metal plate which is coated with the high-temperature insulation coating material; the control section is arranged on one side of the box body, metal electrodes lead wires on the metal electrothermal plates are connected with the control section, and the metal electrodes lead wires and the metal electrothermal plates are divided by the insulating plate.
Description
The utility model relates to a kind of electrothermal device, and specifically, it relates to a kind of electrothermal film heater.
The patent No. is that the utility model of ZL 95207871.6 discloses a kind of Electric heat oven, and it is made up of inner casing, electric heating element, temperature controller, heat-insulation layer and housing.Its principle is electric-heating coatings to be coated on the matrix of good insulation preformance of ceramic wafer and so on form electric heating element, then electric heating element is placed between inner casing and the heat-insulation layer, and electric heating element top electrode lead-in wire is coupled to temperature controller.This Electric heat oven homogeneous heating, programming rate is very fast.But this baking oven is slow because of the radiating rate of its ceramic electrical hot plate, and heat transfer efficiency is low, can only be used for baked goods or other material that need toast, and can not be used for warming oneself.
The purpose of this utility model is to provide a kind of and can be used to warm oneself and can be used to the electrothermal film heater that is incubated and toasts.
Electrothermal film heater of the present utility model comprises casing, inner chamber, control section and thermal insulation board.At a surface-coated high-temperature insulating paint of a sheet metal, form insulating barrier, on this insulating barrier, apply electric-heating coatings again, form Electric radiant Heating Film, as the metal electric heating plate, and on this metal electric heating plate, directly prepare metal electrode; Casing adopts the metal electric heating plate to connect and compose, and has one to be openable in this casing other five blocks of plates except that lower cover, as the door of casing; Inner chamber adopt metallic plate strike out box-like, again at its outside coated with high temperature coatings, and place in the casing; At the door of described casing when being the metal electric heating plate, add a metallic plate that is coated with high-temperature insulating paint at the internal layer of door; Control section is placed in a side of casing, separates with thermal insulation board between the two, and the metal electrode lead-in wire on the metal electric heating plate is coupled to control section;
The casing wall of this electrothermal film heater all adopts the metal electric heating plate, and lower cover can adopt metal electric heating plate or ceramic wafer, and upper cover plate adopts ceramic wafer, to improve the speed of cooking food.Control section wherein comprises power switch, power supply indicator, function selection element and thermostat composition, and wherein thermostat is to adopt thyristor.When the lower cover of casing is the metal electric heating plate, support is arranged in the bottom of casing.
The electrothermal film heater of above-mentioned utility model applies the electric heating function film on sheet metal, can make electrothermal efficiency reach 95%, and saves the energy; Casing uses sheet metal to be formed by connecting, and does not require air-tightness, need not strictly weld, thereby simplify manufacturing process, has reduced production cost.The box that placement can be taken out in the case is used for insulation and baking varieties of food items and other article.Outer wall adopts metal base, and externally radiating rate is fast, is used for heating, thereby makes heater of the present utility model have multiple function, has enlarged the range of application of heater.
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail.
Fig. 1 is the structural texture schematic diagram of metal electric heating plate;
Fig. 2 is the overall structure schematic diagram of a kind of specific embodiment of the present utility model;
Fig. 3 is the A-A generalized section of Fig. 2;
Fig. 4 is the circuit theory schematic diagram of Fig. 2;
As shown in Figure 1, elder generation's coated with high temperature coatings on a surface of a sheet metal 1, its composition can be: polyesterols acid resin 50%, titanium dioxide 40%, inorganic pigment 10% (above all be weight percentage) forms insulating barrier 2, on insulating barrier 2, apply electric-heating coatings, its composition can be: epoxy resin 32%, graphite 35%, silicone oil 2%, titanium dioxide 15%, antimony oxide 2%, phthalic acid two careless esters 15%, rosin 26%, (above all be weight percentage), form Electric radiant Heating Film 3,, and on this metal electric heating plate, directly prepare metal electrode as metal electric heating plate 4.Sheet metal can be metal or alloy such as steel, aluminium and copper.
Embodiment shown in Figure 2 adopts five blocks of metal electric heating plates 4 and ceramic wafer 5 usefulness angle steel 18, a loose-leaf to connect into the casing 6 of a long 1000cm, wide 400cm, high 600cm, wherein ceramic wafer 5 is as lower cover, wherein a metal electric heating plate 4 can be opened, as the door of casing.Inner chamber 7 adopts metallic plate to strike out box-like formation, applies one deck high-temperature insulating paint more thereon, places in the casing 6 as cabinets cavity, to 6 protections of casing and insulating effect.Add a metallic plate that is coated with high-temperature insulating paint on the internal layer that can break the metal electric heating plate 4 that rises, the door 8 as electric heater adds handle 9 on it, in the bottom of casing 6 support 10 is arranged.Control section 11 comprises that power supply rises pass 12, power supply indicator 13, temperature controller 14 and function selecting part 15.The circuit theory diagrams that present embodiment adopts as shown in Figure 4, so function selecting part 15 can be selected in 400/600/1000 watt of third gear.Temperature controller 14 adopts thyristor, can be continuous adjustable at 50-140 ℃.Between control section 11 and casing 6, thermal insulation board 16 is arranged.Resistant to elevated temperatures container can place the inside of casing 6, for food or other article are incubated and toast use.
The another kind of specific embodiment of electrothermal film heater of the present utility model can be: adopt the be formed by connecting casing of this electrothermal film heater of four blocks of metal electric heating plates and two ceramic wafers, wherein two ceramic wafers are as the upper and lower cover plate of casing, the ceramic wafer of being used as upper cover plate is openable, as the door of heater.The other parts structure of this electrothermal film heater is same as the previously described embodiments.
The upper cover plate of electrothermal film heater casing adopts ceramic wafer to help improving the speed that food is burnt in baking, and when only being used to warm oneself, upper cover plate adopts golden electric hot plate effect better.
Claims (5)
1, a kind of electrothermal film heater comprises casing, inner chamber, control section and thermal insulation board, it is characterized in that:
1. described casing is connected and composed by the metal electric heating plate, and the substrate of this metal electric heating plate is a sheet metal, and a surface-coated of this sheet metal has high-temperature insulating paint, constitute insulating barrier, be coated with electric-heating coatings on this insulating barrier, constitute Electric radiant Heating Film, preparation has metal electrode on this metal electric heating plate;
Door as described casing is arranged in 2. described casing other five blocks of plates except that lower cover;
3. described inner chamber is that metal is box-like, this inner chamber be externally coated with high-temperature insulating paint, this inner chamber is positioned at described casing, when the door of described casing be the metal electric heating plate, internal layer be provided with a metallic plate that is coated with high-temperature insulating paint;
4. described control section is positioned at a side of described casing, and described thermal insulation board is between described casing and control section, and the metal electrode on the metal electric heating plate links to each other with described control section.
2, electrothermal film heater according to claim 1 is characterized in that: the wall of described casing and lower cover adopt the metal electric heating plate, and upper cover plate adopts ceramic wafer to constitute.
3, electrothermal film heater according to claim 1 is characterized in that: the wall of described casing adopts the metal electric heating plate to constitute, and upper and lower cover plate adopts ceramic wafer to constitute.
4, according to claim 1 or 2 or 3 described electrothermal film heaters, it is characterized in that: described control section comprises power switch, power supply indicator, function selection element and thermostat composition, and wherein thermostat adopts thyristor.
5, electrothermal film heater according to claim 1 and 2 is characterized in that: at described bottom half support is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99256777 CN2415280Y (en) | 1999-12-30 | 1999-12-30 | Electrothermal film heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99256777 CN2415280Y (en) | 1999-12-30 | 1999-12-30 | Electrothermal film heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2415280Y true CN2415280Y (en) | 2001-01-17 |
Family
ID=34039824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99256777 Expired - Fee Related CN2415280Y (en) | 1999-12-30 | 1999-12-30 | Electrothermal film heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2415280Y (en) |
-
1999
- 1999-12-30 CN CN 99256777 patent/CN2415280Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |