CN204836619U - Metal heating component with composite insulation layer - Google Patents
Metal heating component with composite insulation layer Download PDFInfo
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- CN204836619U CN204836619U CN201520555101.5U CN201520555101U CN204836619U CN 204836619 U CN204836619 U CN 204836619U CN 201520555101 U CN201520555101 U CN 201520555101U CN 204836619 U CN204836619 U CN 204836619U
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Abstract
The utility model provides a metal heating component with composite insulation layer comprises the layer that generates heat in the heat -conduction insulation layer on metal substrate, the metal substrate, the heat -conduction insulation layer outside, heat -conduction insulation layer is the alumina ceramics layer or comprises alumina ceramics layer and fluoropolymer coating, the coating of layer for containing the material that generates heat of generating heat. Advantages such as this metal heating component has that the heating surface is even, the calorescence is little, the heat shock resistance can the reinforce, unit volume heating area is big have extensive application prospect in the gas in industry and domestic appliance's well low temperature electrical heating field, liquid, food heating device.
Description
Technical field
The utility model relates to heating element technical field, is specially a kind of metallic heating element with composite insulation layer.
Background technology
In middle low-temperature heat field, existing electric heater mainly contains tubular electric heating and sheet electric heater.Electric heating pipe type electric heater heating surface (area) (HS is less, and face heating is uneven, and local is easily overheated, the easy scaling of heating liquid.Flake heater, owing to mostly utilizing electrically conductive ink or electrocondution slurry to adopt the shaping electric heating element of silk-screen printing technique, thermal shock resistance is poor, and very easily damage because of voltage fluctuation and heating environment change, and cost is higher, actual popularization is affected.
Summary of the invention
The technical problem solved
The utility model one of is intended to solve the problems of the technologies described above at least to a certain extent or at least provides a kind of useful business to select.For this reason, an object of the present utility model is to propose a kind of metallic heating element with composite insulation layer, has thermal inertia little, and thermal shock resistance is strong, and heating surface is even, and unit volume heating surface (area) (HS is large, safety, environmental protection, the advantage such as energy-conservation.
Technical scheme
In one of the present utility model, the utility model proposes a kind of metallic heating element with composite insulation layer, it is characterized in that: be made up of the thermally conductive insulating layer on metal substrate, metal substrate, the heating layer outside thermally conductive insulating layer; Described thermally conductive insulating layer is alumina ceramic layer, and described heating layer is the coating containing exothermic material.
In addition, according to embodiment of the present utility model, following additional technical characteristic can also be had:
Described a kind of metallic heating element with composite insulation layer, is characterized in that: thermally conductive insulating layer is made up of alumina ceramic layer and fluoropolymer coating, on metallic substrates, fluoropolymer coating is outside alumina ceramic layer for alumina ceramic layer.
Described a kind of metallic heating element with composite insulation layer, is characterized in that: metal substrate is carbon steel, cast iron, stainless steel, copper or copper alloy.
According to embodiment of the present utility model, metal substrate should be adopted with the metallic heating element of composite insulation layer, there is good comprehensive mechanical performance, alumina ceramic layer is adopted to do thermally conductive insulating layer, can in the 500 DEG C of long-term works of minimum serviceability temperature, and when adopting alumina ceramic layer and fluoropolymer coating to do thermally conductive insulating layer, can 240 ~ 250 DEG C of long-term works.The utility model has the advantages such as heating surface is even, thermal inertia is little, heat-resistant impact ability is strong, unit volume heating surface (area) (HS is large, has a wide range of applications in industry and household electrical appliance in the gas of low temp. electric heating art, liquid, foods heat unit.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the cutaway view of electrical heating elements provided by the utility model.
Wherein: 1, metal substrate; 2, alumina ceramic layer; 3, fluoropolymer coating; 4 heating layers.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
With reference to accompanying drawing 1, the metallic heating element with composite insulation layer in the present embodiment is made up of the heating layer 4 outside thermally conductive insulating layer prepared by metal substrate 1, metal substrate, thermally conductive insulating layer.
Metal substrate material can adopt the thermal conductive metallic materials such as carbon steel, cast iron, stainless steel, Copper and its alloy, there is good comprehensive mechanical performance, and the surface of metal substrate can be plane, curved surface etc., profile can have and final utility compatible structure form, such as square, circular, tubulose and other three-dimensional shape etc.
Alumina ceramic layer on metal substrate can obtain in the following ways:
The first step: surface preparation is carried out to metal substrate 1, comprises sanding and polishing, cleaning and surface active;
Second step: hot-dip aluminizing operation is carried out to metal substrate, needing links together two pieces of metallic plates aluminizes, to ensure that every block metallic plate only has a Surface Creation aluminium coated;
3rd step: the metallic plate of aluminizing is carried out differential arc oxidation process, produces uniform alumina ceramic layer 2 at metal sheet surface.
Needs are used, at the outer surface spraying fluoropolymer coating 3 of alumina ceramic layer 2 if having.The minimum serviceability temperature of alumina ceramic layer is 500 DEG C, and the insulation property of aluminium oxide and fluoropolymer composite bed are higher, can 240 ~ 250 DEG C of long-term works.This insulating barrier has good insulating properties, thermal conductivity and corrosion resistance.
At the zone of heating 4 of outer surface spraying containing heating materials such as SiC of thermally conductive insulating layer, combine closely with it.In the outside of zone of heating 4, heating electrode and attemperating unit are installed, heat can be produced after energising and then the temperature of metal substrate is raised.
Metallic heating element with composite insulation layer of the present utility model, metal substrate wherein itself can be at the bottom of container body or by means such as solderings and be connected at the bottom of container body.If metal substrate needs to be connected to by means such as solderings at the end of container body, should first insulating coating and zone of heating be applied respectively, be cured on matrix, then carry out the connection of metal base plate and container.
The utility model has the advantages such as heating surface is even, thermal inertia is little, heat-resistant impact ability is strong, unit volume heating surface (area) (HS is large, has a wide range of applications in industry and household electrical appliance in the gas of low temp. electric heating art, liquid, foods heat unit.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment when not departing from principle of the present utility model and aim, revising, replacing and modification in scope of the present utility model.
Claims (3)
1. with a metallic heating element for composite insulation layer, it is characterized in that: be made up of the thermally conductive insulating layer on metal substrate, metal substrate, the heating layer outside thermally conductive insulating layer; Described thermally conductive insulating layer is alumina ceramic layer, and described heating layer is the coating containing exothermic material.
2. a kind of metallic heating element with composite insulation layer according to claim 1, it is characterized in that: thermally conductive insulating layer is made up of alumina ceramic layer and fluoropolymer coating, on metallic substrates, fluoropolymer coating is outside alumina ceramic layer for alumina ceramic layer.
3. a kind of metallic heating element with composite insulation layer according to claim 1, is characterized in that: metal substrate is carbon steel, cast iron, stainless steel, copper or copper alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520555101.5U CN204836619U (en) | 2015-07-28 | 2015-07-28 | Metal heating component with composite insulation layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520555101.5U CN204836619U (en) | 2015-07-28 | 2015-07-28 | Metal heating component with composite insulation layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204836619U true CN204836619U (en) | 2015-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520555101.5U Active CN204836619U (en) | 2015-07-28 | 2015-07-28 | Metal heating component with composite insulation layer |
Country Status (1)
| Country | Link |
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| CN (1) | CN204836619U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108451044A (en) * | 2018-04-26 | 2018-08-28 | 株洲利德英可电子科技有限公司 | A kind of chip electronic cigarette heater and preparation method thereof and electronic cigarette |
| CN109587841A (en) * | 2018-12-27 | 2019-04-05 | 桂林清扬科技有限公司 | A kind of electric heating film and preparation method thereof that heating efficiency is high |
-
2015
- 2015-07-28 CN CN201520555101.5U patent/CN204836619U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108451044A (en) * | 2018-04-26 | 2018-08-28 | 株洲利德英可电子科技有限公司 | A kind of chip electronic cigarette heater and preparation method thereof and electronic cigarette |
| CN109587841A (en) * | 2018-12-27 | 2019-04-05 | 桂林清扬科技有限公司 | A kind of electric heating film and preparation method thereof that heating efficiency is high |
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