A mica plate having metal foil electrode strips on its surface

Abstract

The utility model relates to the technical field of electric heating film, especially to a mica plate with metal foil electrode strip on the surface, which replaces the traditional conductive electrode strip formed by silver paste or copper paste and other metal paste by metal foil, reduces the production cost of electric heating film product, simplifies the production process, improves the conductivity of the electrode strip part, reduces the heat generation of the electrode part during use, slows down the oxidation and aging rate of the electrode, and improves the practicability of the device as an electrode base material of electric heating film product; the whole device comprises a mica plate, a glue layer and a metal foil, two metal foils are arranged on the upper end face of the mica plate, and the metal foils are adhered to the mica plate through the glue layer.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric heating film, in particular to a mica plate with metal foil electrode strip on the surface. BACKGROUND

[0002] Mica plate material has good high temperature resistance, for example: white mica plate can be used for a long time at four hundred degrees Celsius, and phlogopite plate can be used for a long time at six hundred degrees Celsius; therefore, mica plate material is widely used as the base material of bearing electric heating material, for example: bearing graphene, nanometer carbon and carbon fiber and other electric heating materials, applied to heating and industrial heating field; this kind of electric heating material is adhered to the surface of mica plate in the form of surface silk printing, and then two conductive electrodes are silk printed by slurry prepared by metal powder such as silver slurry or copper slurry, to finally form electric heating film and be applied.

[0003] The raw material cost of the existing electrode strip technology involves more noble metals, and the cost is high; the production process involves low-temperature baking or even high-temperature sintering, which consumes more electricity and causes a small amount of air pollution; after the slurry baking is finished, the conductive electrode strip formed by silver (copper) and the binder has a much lower conductivity than pure metal foil, so it is easy to heat and accelerate the oxidation and aging of the conductive electrode strip. UTILITY MODEL CONTENT

[0004] To solve the above technical problems, the utility model provides a kind of metal foil electrode strip that is replaced by traditional silver slurry or copper slurry and other metal slurry, which reduces the production cost of electric heating film product, simplifies production process, and improves the conductivity of electrode strip part, effectively reduces the heat generation of electrode in use, slows down the oxidation and aging rate of electrode, and improves the practicability of the device as the electrode base material of electric heating film product.

[0005] The utility model discloses a kind of mica plate with metal foil electrode strip on the surface;Including mica sheet, glue layer and metal foil, the upper end face of mica sheet is provided with two metal foils, and the metal foil is adhered to mica sheet by glue layer;Metal foil electrode strip that is replaced by traditional silver slurry or copper slurry and other metal slurry, which reduces the production cost of electric heating film, simplifies production process, and improves the conductivity of electrode strip part, effectively reduces the heat generation of electrode in use, slows down the oxidation and aging rate of electrode, and improves the practicability of the device as the electrode base material of electric heating film product.

[0006] The conductive electrode of the electric heating film product is formed by the metal foil on the surface of the plastic plate, the epoxy plate and the ceramic substrate, the application range of the electric heating film is improved, the production cost of the product is reduced, and the service life and the practicability of the product are improved.

[0007] Compared with the prior art, the beneficial effects of the utility model are that: the metal foil replaces the conductive electrode strip formed by the traditional metal paste such as silver paste or copper paste, the production cost of the electric heating film is reduced, the production process is simplified, the conductivity of the electrode strip part is improved, the electrode heating amount in use is effectively reduced, the oxidation and aging rate of the electrode are slowed down, and the practicability of the device as the electrode base material of the electric heating film product is improved. BRIEF DESCRIPTION OF DRAWINGS

[0008] Figure 1 It is the axonometric structural schematic diagram of the utility model;

[0009] Figure 2 It is the cross section structural schematic diagram of the utility model;

[0010] Figure 3 It is the local enlarged structural schematic diagram of the utility model;

[0011] Figure 4 It is the real object structural schematic diagram of the utility model;

[0012] In the drawings, marks: 1, mica sheet; 2, glue layer; 3, metal foil. DETAILED DESCRIPTION

[0013] In order to facilitate understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. The utility model can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0014] EMBODIMENT

[0015] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the upper end face of the mica sheet 1 is provided with two metal foils 3, and the metal foils 3 are adhered to the mica sheet 1 through the glue layer 2;

[0016] First, a glue layer 2 is processed on the surface of the mica sheet 1, and then the metal foil 3 is arranged on the surface of the glue layer 2 at the required position;

[0017] The conductive electrode of the electric heating film product is formed by the metal foil 3 on the surface of the plastic plate, the epoxy plate and the ceramic substrate and the like;

[0018] By replacing the traditional conductive electrode strip formed by silver paste or copper paste and other metal paste with the metal foil 3, the production cost of the electrothermal film is reduced, the production process is simplified, the conductive efficiency of the electrode strip part is improved, the electrode heating amount in use is effectively reduced, the oxidation and aging rate of the electrothermal film is slowed down, and the practicability of the device as an electrothermal film product with electrode base material is improved.

[0019] As shown in Figures 1 to 4 The mica plate with metal foil electrode strip has a glue layer 2 on the surface of the mica sheet 1, and the metal foil 3 is arranged on the surface of the glue layer 2.

[0020] The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications should be considered as the protection scope of the present application.

Claims

1. A mica sheet having metal foil electrode strips on the surface; characterized by, It comprises mica sheet (1), glue layer (2) and metal foil (3), two metal foils (3) are arranged on the upper end face of the mica sheet (1), and the metal foils (3) are adhered to the mica sheet (1) through the glue layer (2).

2. A mica sheet having metal foil electrode strips on its surface as claimed in claim 1, wherein, It also comprises plastic plate, epoxy plate and ceramic substrate except mica sheet, and the surface is combined with the metal foil (3) to form the conductive electrode of the electrothermal film product.

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