Carbon nanotube conductive film heating device

By using a carbon nanotube conductive film heating device in the seat, the problem of low safety of existing resistance wire heating methods is solved, achieving a seat heating effect with high comfort and low power consumption, which is suitable for the heating needs of car seats.

CN223600047UActive Publication Date: 2025-11-25CHANGZHOU ZHUOJUN AUTOMOTIVE SYST CO LTD
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Patent Information

Application Number
CN202423113623.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-11-25
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

Most existing car seat heating devices use resistance wire heating, which has a low safety factor, affecting the comfort and safety of the seats.

Method used

The heating element is a carbon nanotube conductive film. By setting bottom and top electrodes on the carbon nanotube conductive film and setting an insulating protective layer in between, the seat can be heated by passing electricity through the carbon nanotube conductive film.

Benefits of technology

The carbon nanotube conductive film heating device features high comfort, low cost, rapid heating and low power consumption, making it suitable for mass production and shape cutting, thus improving the comfort and safety of seats.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a carbon nanotube conductive film heating device, which comprises a bottom layer insulation protection layer, a bottom layer electrode, a carbon nanotube conductive film, a top layer electrode and a top layer insulation protection layer which are sequentially arranged from bottom to top, the bottom layer electrode is connected with a power supply wire, the bottom layer electrode is electrically connected with the top layer electrode through a conductive unit, and the top layer insulation protection layer is electrically connected with the carbon nanotube conductive film. The top electrode supplies power to the carbon nanotube conductive film, and the carbon nanotube conductive film is heated after being electrified; the carbon nanotube conductive film has the advantages that the carbon nanotube conductive film adopts a TPU (thermoplastic polyurethane) base material, so that the carbon nanotube conductive film is good in flexibility and high in comfort; films can be produced in batches and then cut into required shapes, and the cost is low; the carbon-based material is high in heating rate and low in power consumption; conductive films with different sheet resistances can be selected for arrangement according to different heating requirements.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile, especially a kind of carbon nanotube conductive film heating device. BACKGROUND

[0002] With the development of automobile industry, and the improvement of resident consumption level, comfort has become one of the important evaluation indexes of automobile. As the automobile parts directly contacted with the driver and passenger, the comfort degree of automobile seat has important influence on the evaluation of the overall comfort of automobile. At present, most of the automobile seats are provided with seat heating, but the current seat heating mostly adopts resistance wire heating mode with low safety factor. SUMMARY

[0003] In view of the above problems, the utility model aims at providing a kind of carbon nanotube conductive film heating device for seat cushion heating to overcome the deficiencies of the prior art.

[0004] The utility model provides a kind of carbon nanotube conductive film heating device, it includes: from bottom to top sequentially arranged bottom insulating protective layer, bottom electrode, carbon nanotube conductive film, top electrode and top insulating protective layer, the bottom electrode is connected with power cord, the bottom electrode is electrically connected with top electrode by conductive unit, the top electrode is powered for carbon nanotube conductive film, carbon nanotube conductive film generates heat after energization.

[0005] As the preferred of the utility model, the carbon nanotube conductive film is carbon nanotube single-side conductive film, and the carbon nanotube conductive film is connected with the top electrode.

[0006] As the preferred of the utility model, the conductive unit includes: the avoiding hole being arranged on the carbon nanotube conductive film and being connected with the bottom electrode and the top electrode, the conductive layer (conductive material) being arranged in the avoiding hole, and the avoiding hole insulating layer being arranged between the inner wall of the avoiding hole and the conductive layer.

[0007] As the preferred of the utility model, the conductive unit includes: the conductive nail and the nail hole being arranged on the carbon nanotube conductive film, the conductive nail is connected with the bottom electrode and the top electrode by passing through the nail hole, and the nail hole insulating layer is arranged between the conductive nail and the nail hole.

[0008] As the preferred of the utility model, the conductive unit includes: the avoiding groove being arranged on the front side, one side and back of the carbon nanotube conductive film, and the conductive sheet (conductive material) being arranged in the avoiding groove and being connected with the bottom electrode and the top electrode.

[0009] As the preferred of the utility model, the material of the bottom electrode and the top electrode is one of copper foil, braided conductive material or printed conductive silver paste.

[0010] As the preferred of the utility model, the bottom insulation protective layer, top insulation protective layer, nail hole insulation layer and avoidance hole insulation layer are one of TPU, TPU composite non-woven fabric, the TPU composite non-woven fabric is composed of TPU and non-woven fabric by hot compounding or adhesive sticking.

[0011] The utility model discloses the beneficial effect as follows: carbon nanotube conductive film adopts TPU base material, and softness is good, and comfort is high, and can batch production film after cutting, and form the shape required, and cost is low, and carbon base material heating rate is fast, and power consumption is low, and according to different heating demand, can use the conductive film of different square resistance to arrange. BRIEF DESCRIPTION OF DRAWINGS

[0012] Other purposes and results of the utility model will be more obvious and easy to understand by referring to the following description combining with the drawings and along with the more comprehensive understanding of the utility model. In the drawings:

[0013] Figure 1 It is the whole structure schematic diagram of this embodiment 1.

[0014] The reference signs include: bottom insulation protective layer 1, bottom electrode 2, carbon nanotube conductive film 3, top electrode 4, top insulation protective layer 5, power supply wire 6. PREFERRED EMBODIMENT

[0015] Refer to Figure 1 As shown in the figure, the carbon nanotube conductive film heating device provided by the embodiment includes: bottom insulation protective layer 1, bottom electrode 2, carbon nanotube conductive film 3, top electrode 4 and top insulation protective layer 5 arranged from bottom to top, two bottom electrodes 2 are connected with two power supply wires 6, two bottom electrodes 2 and two top electrodes 4 are electrically connected through two conductive nails, the top electrode 4 supplies power for the carbon nanotube conductive film 3, and the carbon nanotube conductive film generates heat after being electrified. The carbon nanotube conductive film 3 is a single-sided carbon nanotube conductive film, and the carbon nanotube conductive film 3 is connected with the top electrode 4.

[0016] As the preferred of the utility model, the conductive unit includes: avoidance hole arranged on the carbon nanotube conductive film and connected with the bottom electrode and the top electrode, conductive layer (conductive material) arranged in the avoidance hole, and avoidance hole insulation layer arranged between the inner wall of the avoidance hole and the conductive layer. The conductive nail passes through the nail hole arranged on the carbon nanotube conductive film 3 to connect the bottom electrode 2 and the top electrode 4, and the side of the conductive nail has a nail hole insulation layer. The material of the bottom electrode 2 and the top electrode 4 is one of copper foil, braided conductive material or printed conductive silver paste. The bottom insulation protective layer 1, the top insulation protective layer 5, the nail hole insulation layer and the avoidance hole insulation layer are one of TPU, TPU composite non-woven fabric, the TPU composite non-woven fabric is composed of TPU and non-woven fabric by hot compounding or adhesive sticking, and the TPU is thermoplastic polyurethane elastomer.

[0017] Installation process:

[0018] Step S1: select the upper end of the carbon nanotube conductive film 3, two bottom electrodes 2 are laid on the lower end of the carbon nanotube conductive film 3 and located on the non-conductive side, wherein the two bottom electrodes 2 are connected to the positive and negative poles of the power supply through two power supply wires 6;

[0019] Step S2: two top layer electrodes 4 are laid on the upper end of the carbon nanotube conductive film 3 and located on the conductive side, wherein the carbon nanotube conductive film 3 is punched into a conductive nail, and the bottom electrode 2 and the top layer electrode 4 are connected by the conductive nail;

[0020] Step S3: the top layer insulation protective layer 5 and the bottom layer insulation protective layer 1 are encapsulated on the upper and lower surfaces of the carbon nanotube conductive film 3, wherein the bottom electrode 2 is arranged between the bottom layer insulation protective layer 1 and the lower end of the carbon nanotube conductive film 3, and the top layer electrode 4 is arranged between the top layer insulation protective layer 5 and the upper end of the carbon nanotube conductive film 3.

[0021] Working principle: the single-sided conductive carbon nanotube conductive film 3 is selected, the carbon nanotube conductive film 3 and the top layer electrode 4 are in contact, when the power supply wire 6 is powered, the voltage acts on the carbon nanotube conductive film 3 through the power supply wire 6, the bottom electrode 2 and the top layer electrode 4, and different square resistance carbon nanotube conductive films 3 can be selected according to the demand.

[0022] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A carbon nanotube conductive film heating device, characterized by comprising: a carbon nanotube conductive film; and a heating element provided on the carbon nanotube conductive film. The application relates to a carbon nanotube heating film, which comprises a bottom insulating protective layer, a bottom electrode, a carbon nanotube conductive film, a top electrode and a top insulating protective layer arranged from bottom to top, the bottom electrode is connected with a power supply wire, the bottom electrode and the top electrode are electrically connected through a conductive unit, the top electrode supplies power for the carbon nanotube conductive film, and the carbon nanotube conductive film generates heat after being electrified. The carbon nanotube conductive film is a single-face carbon nanotube conductive film, and the carbon nanotube conductive film is connected with the top electrode.

2. The carbon nanotube conductive film heating device according to claim 1, wherein The conductive unit comprises a avoiding hole arranged on the carbon nanotube conductive film and connected with the bottom electrode and the top electrode, and a conductive layer arranged in the avoiding hole, and an avoiding hole insulating layer is arranged between the inner wall of the avoiding hole and the conductive layer.

3. The carbon nanotube conductive film heating device according to claim 1, wherein The conductive unit comprises a conductive nail and a nail hole arranged on the carbon nanotube conductive film, the conductive nail passes through the nail hole to connect the bottom electrode and the top electrode, and a nail hole insulating layer is arranged between the conductive nail and the nail hole.

4. The carbon nanotube conductive film heating apparatus according to claim 1, wherein The conductive unit comprises avoiding grooves arranged on the front face, one side face and the back face of the carbon nanotube conductive film, and a conductive sheet arranged in the avoiding grooves and connected with the bottom electrode and the top electrode.

5. The carbon nanotube conductive film heating device according to claim 1, wherein The material of the bottom electrode and the top electrode is one of copper foil, braided conductive material or printed conductive silver paste.

6. The carbon nanotube conductive film heating apparatus according to claim 1, wherein The bottom insulating protective layer, the top insulating protective layer, the nail hole insulating layer and the avoiding hole insulating layer are one of TPU and TPU composite non-woven fabric, the TPU composite non-woven fabric is composed of TPU and non-woven fabric through hot compounding or adhesive paste.

7. The carbon nanotube conductive film heating apparatus according to claim 1, wherein ​