CN218301668U - Polymer electrothermal film with spiral layout - Google Patents
Polymer electrothermal film with spiral layout Download PDFInfo
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- CN218301668U CN218301668U CN202222074911.1U CN202222074911U CN218301668U CN 218301668 U CN218301668 U CN 218301668U CN 202222074911 U CN202222074911 U CN 202222074911U CN 218301668 U CN218301668 U CN 218301668U
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- electrothermal film
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Abstract
The utility model relates to a polymer electrothermal film with spiral layout, the electrothermal film is provided with a spiral metal strip A and a spiral metal strip B which are sleeved together, an electrothermal film structure which is close to a circular structure is formed after the encapsulation of a polymer film, the electrothermal film which is close to the circular structure has larger heating area compared with a regular polygonal electrothermal film, the heating efficiency is higher, and the material is saved; in addition, the spiral metal strip A and the spiral metal strip B are both of an equidistant spiral structure, a certain distance is arranged between the spiral metal strip A and the spiral metal strip B, the electric heating film has excellent room-temperature conductivity and higher heating speed, a stable and uniform heat generation system is formed, and the application scene is flexible.
Description
Technical Field
The utility model relates to an electric heat membrane field especially relates to a polymer electric heat membrane of spiral overall arrangement.
Background
The electrothermal film is an electrothermal film, belongs to plane heating, and is widely applied to a heating system. The electric heating film is usually formed by printing carbon heating bars arranged in parallel on a film, pressing two metal bus bars at two ends of the carbon heating bars, and finally compounding a layer of film to seal the carbon heating bars and the metal bus bars, wherein the two metal bus bars are respectively used for connecting a live wire and a zero line of a commercial power. The electric heat membrane technology development is rapid, but its product form is comparatively single, but utility model patent that application number is CN022085106 provides an electric heat membrane that can intelligent accuse temperature, this type electric heat membrane is mainly with regular polygonized structure more, the conductive coating both sides are often arranged in to the electrode, electrically conductive efficiency is not good, and the easy inequality that appears generating heat, the programming rate is slow, the constant temperature low grade problem, be unfavorable for improving security and the user experience of using, and also receive very big restriction on using the scene.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the utility model provides a polymer electric heat membrane of spiral overall arrangement.
The technical scheme of the utility model is that: a polymer electrothermal film with a spiral layout comprises two circular polymer films, a conductive coating, a spiral metal strip A and a spiral metal strip B, wherein the spiral metal strip A and the spiral metal strip B are arranged on the conductive coating, the front surface and the back surface of the conductive coating are respectively provided with one polymer film, the polymer films wrap the conductive coating to form a closed structure, the overall size of the spiral metal strip A is larger than that of the spiral metal strip B, the spiral metal strip A is sleeved in the spiral metal strip B in a matching mode, and a distance a is arranged between the spiral metal strip A and the spiral metal strip B.
Preferably, the intervals between adjacent curve strips in the spiral metal strip A are the same.
Preferably, the distances between adjacent curve strips in the spiral metal strip B are the same.
Preferably, the thicknesses of the spiral metal strips A and B are the same as the distance a.
Preferably, the conductive coating is a carbon-based conductive coating with good conductive effect.
Preferably, the polymer film is polyester terephthalate, polyimide or silicone rubber.
The utility model has the beneficial technical effects that:
(1) Be equipped with spiral metal strip A and spiral metal strip second that the cover is in the same place on this electric heat membrane electrocoating, formed the electric heat membrane structure who is close circular structure after the encapsulation through polymer film, this kind of electric heat membrane that is close circular structure has bigger heating area for regular polygon electric heat membrane, and the themogenesis efficiency is higher, does benefit to save material.
(2) Spiral metal strip A and spiral metal strip second all establish to equidistant helical structure in this electric heat membrane, and are equipped with certain interval between spiral metal strip A and the spiral metal strip second, and the outstanding room temperature conductivity of this electric heat membrane and faster programming rate form stable, homogeneous themogenesis system to it is nimble to use the scene, and market potential is huge.
Drawings
Fig. 1 is a schematic front view of the present invention;
FIG. 2 isbase:Sub>A sectional view taken along line A-A of FIG. 1;
FIG. 3 is a structural relationship diagram between a helical metal strip A and a helical metal strip B;
FIG. 4 is a schematic front view of the spiral metal lath;
fig. 5 is a schematic front view of the spiral metal strip b.
In the figure, 11 is a polymer film, 12 is a conductive coating, 13 is a spiral metal strip A, 14 is a spiral metal strip B.
Detailed Description
In the first embodiment, referring to fig. 1 to 5 of the specification, a polymer electrothermal film with a spiral layout includes two circular polymer films 11, a conductive coating 12, a spiral metal strip a 13 and a spiral metal strip b 14, where the spiral metal strip a 13 and the spiral metal strip b 14 are disposed on the conductive coating 12, the conductive coating 12 is a carbon-based conductive coating 12 with a good conductive effect, the front and back of the conductive coating 12 are respectively provided with one polymer film 11, the two polymer films 11 wrap the conductive coating 12 to form a closed structure, the spiral metal strip a 13 is sleeved in the spiral metal strip b 14 in a matching manner, a gap a is disposed between the spiral metal strip a 13 and the spiral metal strip b 14, and the thicknesses of the spiral metal strip a 13 and the spiral metal strip b 14 are the same as the gap a. Therefore, the two spiral metal strips can uniformly generate heat in the conductive coating 12, and a stable and uniform heating system is formed.
The distances between adjacent curve strips in the spiral metal strips A13 are the same, the distances between adjacent curve strips in the spiral metal strips B14 are the same, and the two spiral metal strips with the equal-distance structures are mutually sleeved together to form equal-distance gaps in the electric heating film.
The polymer film 11 is made of polyester terephthalate, polyimide or silicon rubber, the two spiral metal strips are made of an alloy consisting of any one or more of copper, silver, aluminum and iron, and the materials of the electric metal strip and the protective layer can be specifically selected according to the product cost control or the specific application scene.
The polymer electrothermal film adopts a screen printing or gravure printing mode to print a conductive coating 12 on a polymer film 11, then the polymer film 11 with the conductive coating 12 is placed for 10-30min at the temperature of 100-120 ℃ to be completely dried, then two spiral metal strips are pressed and covered on the conductive coating 12 and are connected with an electrode, and finally another polymer film is bonded to finish the preparation.
Claims (6)
1. A polymer electrothermal film with a spiral layout is characterized in that:
the conductive coating is coated by the polymer film to form a closed structure, the spiral metal strip A is sleeved in the spiral metal strip B in a matching mode, and a distance a is arranged between the spiral metal strip A and the spiral metal strip B.
2. The polymer electrothermal film of claim 1, wherein: the distances between adjacent curve strips in the spiral metal strip A are the same.
3. The polymer electrothermal film with spiral layout as claimed in claim 1, wherein: and the distances between adjacent curve strips in the spiral metal strip B are the same.
4. The polymer electrothermal film with spiral layout as claimed in claim 1, wherein: the thickness of the spiral metal strip A and the thickness of the spiral metal strip B are the same as the distance a.
5. The polymer electrothermal film of claim 1, wherein: the conductive coating is a carbon-based conductive coating with good conductive effect.
6. The polymer electrothermal film of claim 1, wherein: the polymer film is made of polyester terephthalate, polyimide or silicon rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222074911.1U CN218301668U (en) | 2022-08-09 | 2022-08-09 | Polymer electrothermal film with spiral layout |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222074911.1U CN218301668U (en) | 2022-08-09 | 2022-08-09 | Polymer electrothermal film with spiral layout |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218301668U true CN218301668U (en) | 2023-01-13 |
Family
ID=84793341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222074911.1U Active CN218301668U (en) | 2022-08-09 | 2022-08-09 | Polymer electrothermal film with spiral layout |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218301668U (en) |
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2022
- 2022-08-09 CN CN202222074911.1U patent/CN218301668U/en active Active
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