CN218301670U - Polymer electrothermal film with rectangular layout - Google Patents
Polymer electrothermal film with rectangular layout Download PDFInfo
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- CN218301670U CN218301670U CN202222074912.6U CN202222074912U CN218301670U CN 218301670 U CN218301670 U CN 218301670U CN 202222074912 U CN202222074912 U CN 202222074912U CN 218301670 U CN218301670 U CN 218301670U
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Abstract
The utility model relates to a polymer electric heat membrane of rectangle overall arrangement, be equipped with the first branch strap of a plurality of on this polymer electric heat membrane's the electrically conductive strap A, be equipped with the branch strap of a plurality of second on the first strap, be equipped with the first branch strap of a plurality of on the electrically conductive strap B, be equipped with the branch strap of a plurality of second on the first strap, the second branch strap and the first branch strap arc staggered arrangement of both sides, consequently, the electric heat membrane heating structure of rectangle has been formed, and abundant electrically conductive network has been formed in the rectangle electric heat membrane, the room temperature resistivity that can effectively reduce the electric heat membrane, improve the electrically conductive heat conduction efficiency of electric heat membrane by a wide margin, make the polymer electric heat membrane that generates heat rapidly, it is even to generate heat, give its better electric heat characteristic.
Description
Technical Field
The utility model relates to an electric heat membrane field especially relates to a polymer electric heat membrane of rectangle overall arrangement.
Background
The polymer electrothermal film is used as one of polymer conductive composite materials, free electrons are excited under the action of an external electric field, so that the conductive carbon material is activated, heat is rapidly generated by means of violent friction and impact among carbon molecules, and heat is transferred outwards in a far infrared radiation and convection mode. The polymer electrothermal film is characterized by controllability of power density and designability of a processing technology, thereby endowing the polymer electrothermal film with wide application scenes and being widely used in the fields of building heating, snow melting and deicing, pipeline heating, physical therapy and health care, farming and animal husbandry and the like.
The form of present polymer electric heat membrane is comparatively single, mostly uses regular polygon structure as the main, and the electric heat coating both sides are often arranged in to the electrode, and conductive efficiency is not high to uneven, the programming rate is slow, the constant temperature low grade problem of generating heat appears easily, consequently leads to the security of using not high, is difficult to bring good use and experiences, also receives very big restriction on the applied scene.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a polymer electric heat membrane of rectangle overall arrangement.
The technical scheme of the utility model is that: a polymer electrothermal film with a rectangular layout comprises a protective layer, an electrothermal coating, a conductive metal strip A and a conductive metal strip B; the conductive metal strip A and the electric metal strip B are arranged on the electric heating coating, protective layers are arranged on the front surface and the back surface of the electric heating coating to form a closed structure, the conductive metal strip A comprises a main metal strip A and a plurality of first branch metal strips A which are arranged at equal intervals along the length direction of the main metal strip, the conductive metal strip B comprises a main metal strip B and a plurality of first branch metal strips B which are arranged at equal intervals along the length direction of the main metal strip, the first branch metal strips A and the first branch metal strips B are arranged in a staggered mode, and the intervals between the first branch metal strips A and the first branch metal strips B are the same;
and a plurality of second branch metal strips a are provided at equal intervals in the length direction of the first branch metal strip a, a plurality of second branch metal strips B are provided at equal intervals in the length direction of the first branch metal strip B, the second branch metal strips a and the second branch metal strips B are arranged to be staggered with each other, and the intervals formed between the second branch metal strips a and the second branch metal strips B are the same.
Preferably, the main metal strip a and the first branch metal strip a are arranged vertically, and the first branch metal strip a and the second branch metal strip a are arranged vertically.
Preferably, the main metal strip B and the first branch metal strip B are arranged vertically, and the first branch metal strip B and the second branch metal strip B are arranged vertically.
Preferably, the conductive metal strip a and the conductive metal strip B are an alloy composed of any one or more of copper, silver, aluminum and iron.
Preferably, the electrothermal coating is a carbon electrothermal coating.
Preferably, the protective layer is polyester terephthalate, polyimide or silicone rubber.
The utility model has the beneficial technical effects that:
(1) This polymer electric heat membrane's electrically conductive strap A is last to be equipped with a plurality of first branch strap, be equipped with a plurality of second branch strap on the first strap, be equipped with a plurality of first branch strap on the electrically conductive strap B, be equipped with a plurality of second branch strap on the first strap, the second branch strap and the first branch strap arc staggered arrangement of both sides, consequently, the electric heat membrane heating structure of rectangle has been formed, and form abundant electrically conductive network in the rectangle electric heat membrane, can effectively reduce the room temperature resistivity of electric heat membrane, improve the electrically conductive heat conduction efficiency of electric heat membrane by a wide margin, it is rapid to make the polymer electric heat membrane generate heat, the themogenesis is even, its more excellent electric heat characteristic has been given.
(2) The sizes of all branches of the conductive metal band in the polymer electrothermal film are convenient to control, the polymer electrothermal film can be widely suitable for a rectangular electrothermal film system on the market, and the polymer electrothermal film also has wide application prospects in the field of other electrothermal materials.
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 schematic view of the structure between the conductive metal strip a and the conductive metal strip B.
In the figure, 11, a protective layer, 12, an electrothermal coating, 13, conductive metal strips A, 131, main metal strips A, 132, first branch metal strips A, 133, second branch metal strips A, 14, conductive metal strips B, 141, main metal strips B, 142, first branch metal strips B, 143, and second branch metal strips B.
Detailed Description
First embodiment, referring to fig. 1-3 of the specification, a polymer electrothermal film with a rectangular layout comprises a protective layer 11, an electrothermal coating 12, a conductive metal strip a13 and a conductive metal strip B14;
the conductive metal strip A13 and the electric metal strip B are arranged on the electrothermal coating 12, the electrothermal coating 12 is a carbon-based electrothermal coating 12 with high conductivity, the front and the back of the electrothermal coating 12 are both provided with a protective layer 11 to seal the front and the back of the electrothermal coating 12, the electrothermal coating 12 is formed by wrapping the conductive metal strip A and the conductive metal strip B14 in the protective layer 11, the conductive metal strip A13 comprises a main metal strip A131 and a plurality of first branch metal strips A132 arranged at equal intervals along the length direction of the main metal strip, the first branch metal strips A132 and the main metal strip A131 are perpendicular to each other, the conductive metal strip B14 comprises a main metal strip B141 and a plurality of first branch metal strips B142 arranged at equal intervals along the length direction of the main metal strip, the first branch metal strips B142 and the main metal strip B141 are perpendicular to each other, the first branch metal strips A132 and the first branch metal strips B142 are arranged at equal intervals with each other, the second branch metal strips A133 and the first branch metal strips B143 and the second branch metal strips 143B 142 are arranged at equal intervals along the length direction of the main metal strip B, and the second branch metal strips B143 are perpendicular to each other. Therefore, the electrothermal film is formed into a rectangular structure, and a dense conductive network is formed in the rectangular structure, so that the room temperature resistivity of the electrothermal film can be effectively reduced, and the electric conduction and heat conduction efficiency of the electrothermal film can be greatly improved.
The conductive metal strips a13 and B14 are made of an alloy of any one or more of copper, silver, aluminum, and iron, and the protective layer 11 is made of an insulating material such as polyester terephthalate, polyimide, or silicone rubber. The materials of the conductive metal strip and the protective layer 11 may be specifically selected according to the product cost control or the specific application scenario.
The first branch metal belt A and the first branch metal belt B are the same in distance, and the second branch metal belt A and the second branch metal belt B are the same in distance, so that arrangement among the metal belts is more uniform, and the heating uniformity of the electric heating film is improved.
The production process of the polymer electrothermal film comprises the following steps: the electrothermal coating 12 is printed on the polymer protective layer 11 by adopting a screen printing or gravure printing mode, then the polymer protective layer 11 with the electrothermal coating 12 is placed for 10-30min at the temperature of 100-120 ℃ to be completely dried, then two electric metal belts are pressed on the electrothermal coating 12 and connected with an electrode, and finally another polymeric protective layer 11 is bonded to finish the preparation.
Claims (6)
1. A polymer electrothermal film with a rectangular layout is characterized in that:
the electrothermal film comprises a protective layer, an electrothermal coating, a conductive metal strip A and a conductive metal strip B;
the conductive metal band A and the electric metal band B are arranged on the electric heating coating, the front surface and the back surface of the electric heating coating are respectively provided with a protective layer to seal the electric heating coating, the conductive metal band A comprises a main metal band A and a plurality of first branch metal bands A which are arranged at equal intervals along the length direction of the main metal band, the conductive metal band B comprises a main metal band B and a plurality of first branch metal bands B which are arranged at equal intervals along the length direction of the main metal band, and the first branch metal bands A and the first branch metal bands B are arranged in a staggered mode;
and a plurality of second branch metal strips A are arranged in the length direction of the first branch metal strips A at equal intervals, a plurality of second branch metal strips B are arranged in the length direction of the first branch metal strips B at equal intervals, and the second branch metal strips A and the second branch metal strips B are arranged in a staggered mode.
2. The polymer electrothermal film with the rectangular layout as claimed in claim 1, wherein: the main metal strip a and the first branch metal strip a are vertically arranged, and the first branch metal strip a and the second branch metal strip a are vertically arranged.
3. The polymer electrothermal film with the rectangular layout as claimed in claim 1, wherein: the main metal strip B and the first branch metal strip B are vertically disposed, and the first branch metal strip B and the second branch metal strip B are vertically disposed.
4. The polymer electrothermal film with rectangular layout as claimed in claim 1, wherein: the electrothermal coating is a carbon electrothermal coating.
5. The polymer electrothermal film with the rectangular layout as claimed in claim 1, wherein: the protective layer is made of polyester terephthalate, polyimide or silicon rubber.
6. The polymer electrothermal film with the rectangular layout as claimed in claim 1, wherein: the first branch metal strips a and the first branch metal strips B have the same spacing therebetween, and the second branch metal strips a and the second branch metal strips B have the same spacing therebetween.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222074912.6U CN218301670U (en) | 2022-08-09 | 2022-08-09 | Polymer electrothermal film with rectangular layout |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222074912.6U CN218301670U (en) | 2022-08-09 | 2022-08-09 | Polymer electrothermal film with rectangular layout |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218301670U true CN218301670U (en) | 2023-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222074912.6U Active CN218301670U (en) | 2022-08-09 | 2022-08-09 | Polymer electrothermal film with rectangular layout |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218301670U (en) |
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2022
- 2022-08-09 CN CN202222074912.6U patent/CN218301670U/en active Active
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