CN211184295U

CN211184295U - PI flexible heating sheet

Info

Publication number: CN211184295U
Application number: CN201922304799.4U
Authority: CN
Inventors: 李强; 梁士杰
Original assignee: Dongguan Funuankang Electric Appliance Co ltd
Current assignee: Dongguan Funuankang Electric Appliance Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-08-04
Anticipated expiration: 2029-12-20

Abstract

A PI flexible heating sheet comprises a heating layer, heat conduction layers covering two sides of the heating layer and PI film layers covering two sides of the heat conduction layers, wherein the heating layer is provided with uniformly distributed transverse strip-shaped circuits, patch sheets are fixedly connected to two ends of the heating layer respectively, and the edges of the PI film layers are fixedly connected through hot pressing; the utility model discloses it is even to generate heat, satisfies each regional demand of heating object, and the layer two sides that generate heat all are wrapped up by the film, have played certain insulating effect, will generate heat the layer simultaneously and keep apart with the air completely, have reduced the oxidation on the layer that generates heat, and the pliability is good, applicable in the heating utensil of various dysmorphism and arbitrary unsmooth face, still can change the shape and the size on electrically conductive layer that generates heat according to the demand of different heats, low in manufacturing cost, convenient to use, safety.

Description

PI flexible heating sheet

Technical Field

The utility model relates to a piece technical field that generates heat, concretely relates to flexible piece that generates heat of PI.

Background

At present, in life and production, most of heating materials used are heating wires, silicon carbide and more advanced PTC heating elements, the heating materials are generally high in size and hardness, hard and crisp in texture and short in service life, the heating materials are also the existing heating sheets, heating density is not uniform, the existing heating structure is difficult to meet the heating of a curved surface, particularly on parts needing precise control heating, the existing heating structure has great limitation, and the requirements for energy conservation and heat efficiency improvement cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the problem that exists among the above-mentioned background art, aim at providing a flexible piece that generates heat of PI.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a flexible piece that generates heat of PI, the piece that generates heat is including the layer that generates heat, cover at the heat-conducting layer that generates heat the layer two sides and cover the PI thin layer at the heat-conducting layer two sides, the layer that generates heat sets up to evenly distributed's horizontal bar shape circuit, the both ends difference fixedly connected with patch piece on the layer that generates heat, the edge on PI thin layer passes through hot pressing fixed connection.

Further, the heating layer is a carbon paste or silver paste electroplated layer.

Further, the thickness of the heating layer is 0.2-0.4 mm.

Further, the heat-conducting layer is a heat-conducting silica gel layer.

Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that: the layer that generates heat is carbon thick liquid, silver thick liquid electroplated horizontal bar circuit, generates heat evenly, satisfies each regional demand of heating object, and the layer both sides that generate heat have all been wrapped up by the film, have played certain insulating effect, will generate heat the layer simultaneously and keep apart with the air completely, have reduced the oxidation of heater, just the utility model discloses a pliability is good, applicable in the heating utensil of various dysmorphism and arbitrary concavo-convex face, still can change the shape and the size on electrically conductive layer that generates heat according to the demand of different heats, low in manufacturing cost, convenient to use, safety.

Drawings

FIG. 1 is a schematic view of the structure of the heating layer of the present invention;

fig. 2 is a schematic structural diagram of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the embodiments.

With reference to fig. 1 and 2, the PI flexible heating sheet includes a heating layer 3, a heat conduction layer 2 covering two sides of the heating layer 3, and PI film layers 1 covering two sides of the heat conduction layer 2. The heating layer is arranged into transverse bar-shaped circuits which are uniformly distributed. Patch sheets are fixedly connected to two ends of the heating layer respectively. The edges of the PI film layers are fixedly connected through hot pressing.

The heating layer 3 is a carbon paste or silver paste electroplated layer. The thickness of the heating layer 3 is 0.2-0.4 mm. The heat conducting layer 2 is a heat conducting silica gel layer. The PI film layer 1 can isolate air, and oxidation of the heating layer 3 is avoided. The heat conducting layer 2 can distribute and dissipate heat uniformly.

The utility model discloses it is even to generate heat, satisfies each regional demand of heating object, and 3 two sides on the layer that generates heat are all wrapped up by the film, have played certain insulating effect, will generate heat layer 3 simultaneously and keep apart totally with the air, have reduced the oxidation on the layer that generates heat, and the pliability is good, applicable in the heating utensil of various dysmorphism and arbitrary unsmooth face, still can change the shape and the size on electrically conductive layer that generates heat according to the demand of different heats, low in manufacturing cost, convenient to use, safety.

Various other changes and modifications may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such changes and modifications should fall within the scope of the present invention.

Claims

1. The utility model provides a flexible piece that generates heat of PI, its characterized in that, the piece that generates heat is including generating heat layer (3), covering heat-conducting layer (2) on layer (3) both sides and covering PI thin layer (1) on heat-conducting layer (2) both sides, generate heat layer (3) and set up to evenly distributed's horizontal bar circuit, the both ends difference fixedly connected with patch piece (4) on layer (3) generate heat, the edge on PI thin layer (1) passes through hot pressing fixed connection.

2. The PI flexible heating sheet as claimed in claim 1, wherein the heating layer (3) is a carbon paste or silver paste plating layer.

3. The PI flexible heating sheet according to claim 2, wherein the thickness of the heating layer (3) is 0.2-0.4 mm.

4. The PI flexible heating sheet according to claim 1, wherein the heat conducting layer (2) is a heat conducting silica gel layer.