CN219277315U

CN219277315U - PTC graphene automobile floor and carpet heating pad

Info

Publication number: CN219277315U
Application number: CN202122310307.XU
Authority: CN
Inventors: 赵一; 李奇敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2023-06-30
Anticipated expiration: 2031-09-23

Abstract

The utility model discloses a PTC graphene automobile floor and carpet heating pad, which mainly comprises a metal plating base film (1), a PTC graphene heating coating (2), a wiring terminal (4) and a waterproof substrate double faced adhesive tape (3); the metal plating base film (1), the PTC graphene heating coating (2), the wiring terminal (4) and the waterproof substrate double faced adhesive tape (3) are sequentially arranged from bottom to top; the PTC graphene heating coating (2) is arranged between the metal plating base film (1) and the waterproof substrate double faced adhesive tape (3); the PTC graphene heating coating (2) is connected with the wiring terminal (4) through the metal plating base film (1). The PTC graphene automobile floor and carpet heating pad provided by the utility model has the advantages of quick heating, good safety, low cost and the like.

Description

PTC graphene automobile floor and carpet heating pad

Technical Field

The utility model relates to the technical field of automobile floor and carpet heating, in particular to a PTC graphene automobile floor and carpet heating pad.

Background

With the technological development of vehicles and traffic fields, people have higher requirements on the driving comfort of vehicles, and the heating and heat preservation technologies of high-end business vehicles, vehicle floors and carpets are also generated, and are gradually applied to medium-end and high-end passenger vehicles.

At present, all automobile industries in all countries in the world adopt metal resistance wires to heat automobile seats and partial carpets, and because the gaps among heating pad wires manufactured by the metal resistance wires are larger, the heating uniformity is poor, and the resistance value of the resistance wires per meter is small, the current design cannot be too large, the heating speed is low, if the power is increased, the monofilament temperature is very high, and the safety coefficient is very low.

Therefore, the research and development of the heating pad which can be heated uniformly, has high temperature rising speed, higher safety coefficient and high production efficiency becomes an aim which is needed to be realized in the current industry.

Disclosure of Invention

The utility model provides a PTC graphene automobile floor and carpet heating pad, which mainly comprises a metal plating base film, a PTC graphene heating coating, a wiring terminal and a waterproof substrate double faced adhesive tape, wherein the metal plating base film is coated on the PTC graphene heating coating; the metal plating base film, the PTC graphene heating coating, the wiring terminal and the waterproof substrate double-sided adhesive are sequentially arranged from bottom to top; the PTC graphene heating coating is arranged between the metal plating base film and the waterproof substrate double faced adhesive tape; the PTC graphene heating coating is connected with the wiring terminal through the metal plating base film.

Further, the metal coating base film is divided into a base film layer and a metal coating; the base film layer is made of PET or PU material, and the metal plating layer is made of copper or aluminum; the wiring terminal is electrically connected with the metal coating.

Further, a flame-retardant insulating cover plate is stuck at the joint of the wiring terminal and the metal coating; the wiring terminal is also connected with a wire harness which is used for being connected with an external power supply.

Further, the metal coating is arranged in a fence shape, and the PTC graphene heating coating is adhered to the metal coating and is connected in parallel between a conductive positive electrode and a conductive negative electrode which are connected with the wiring terminal wire harness.

By adopting the design, the utility model has at least the following advantages:

1. according to the automobile floor and carpet heating pad disclosed by the utility model, the PTC graphene is used as a heating carrier, the initial temperature rise is fast, the heating is uniform, the electric heating energy conversion efficiency is high, when the temperature of the PTC graphene heating coating is increased, the resistance is increased, the current is reduced, so that the heating power is reduced, the temperature is constant on a fixed value, otherwise, when the temperature of the PTC graphene heating coating is reduced, the resistance is reduced, the heating film power is increased, the heating coating temperature is increased, so that the temperature of the automobile floor and carpet heating pad is kept in a safe range, the PTC graphene heating coating and a conductive electrode are tightly pressed, virtual connection is not easy to occur, and the safety coefficient of the automobile floor and carpet heating pad is higher;

2. as the base metal coating base film 1 of the utility model is a commercial product, the conductive electrode is made of metal copper or aluminum, and compared with other PTC graphene heating products, the conductive electrode is silver paste, the cost is greatly reduced-! The PTC graphene heating coating is divided into a plurality of strip-shaped PTC graphene heating areas, and the strip-shaped PTC graphene heating areas are arranged according to a fence shape, so that the use amount of raw materials is saved, the production cost is reduced, and the heating uniformity of the automobile floor and carpet heating pad is ensured;

3. the floor and carpet heating pad provided by the utility model has the advantages that the PTC graphene planar heating is adopted, the heating speed is high, a driver can quickly feel the temperature rise of the heating pad, the body feel is comfortable, the energy utilization rate is high, the energy consumption and the use cost are reduced, and the direct friction noise between the heating pad and the floor and between the heating pad and the carpet is eliminated due to the waterproof substrate double faced adhesive tape arranged at the top of the floor and carpet heating pad, so that the floor and carpet heating pad has low noise when being taken, and can be used as an automobile floor-level carpet, a ship floor and carpet, a train floor and carpet, an airplane floor and carpet and the like.

Drawings

Fig. 1 is a schematic structural view of a PTC graphene automotive floor and carpet heating mat according to the present utility model:

fig. 2 is a schematic cross-sectional layered view of a PTC graphene automotive floor and carpet heating mat of the present utility model:

wherein, 1, a metal plating base film; 2. PTC graphene heating coating; 3. double faced adhesive tape of waterproof substrate; 4. a connection terminal; 5. a base film layer; 6. and (5) metal plating.

Detailed Description

The foregoing is merely an overview of the present utility model, and the present utility model is further described in detail below with reference to the accompanying drawings and detailed description. As shown in fig. 1-2:

the utility model provides a PTC graphene automobile floor and carpet heating pad, which mainly comprises a metal plating base film 1, a PTC graphene heating coating 2, a wiring terminal 4 and a waterproof base material double faced adhesive tape 3; the metal plating base film 1, the PTC graphene heating coating 2, the wiring terminal 4 and the waterproof substrate double faced adhesive tape 3 are sequentially arranged from bottom to top; the waterproof substrate double faced adhesive tape 3 is used for fixing the floor and carpet heating pad on the floor inner layer and the carpet inner layer, so that the floor and carpet heating pad is prevented from moving in series with the floor and the carpet to cause fold fracture; the PTC graphene heating coating 2 is arranged between the metal plating base film 1 and the waterproof base material double faced adhesive tape 3, so that the waterproof base material double faced adhesive tape is prevented from being scratched in use and liquid substances can be prevented from entering; the PTC graphene heating coating 2 is connected with the wiring terminal 4 through the metal plating base film 1; the metal coating base film 1 is a commercial product and can be divided into a base film layer 5 and a metal coating 6; the base film layer 5 is made of PET or PU and the like, the metal coating 6 is made of copper or aluminum, and compared with the conductive metal of some PTC graphene heating products which is silver paste, the cost of the utility model has considerable market advantages; further, the connecting terminal 4 is electrically connected with the metal plating layer 6 in the metal plating layer base film 1, and can be riveted; a flame-retardant insulating cover plate is stuck at the joint of the binding post 4 and the metal coating 6 to protect the joint from falling off and wearing; the wiring terminal 4 is also connected with a wire harness used for being connected with an external power supply and used for supplying power to the heating pad from the outside; the metal coating 6 in the metal coating base film 1 is arranged in a fence shape, and the PTC graphene heating coating 2 is adhered on the metal coating base film and connected in parallel between a conductive positive electrode and a conductive negative electrode which are connected with the wiring harness of the wiring terminal 4.

According to the utility model, PTC graphene is used as a heating carrier, the initial temperature rise is fast, the heating is uniform, and the electric heating energy conversion efficiency is high; when the temperature of the PTC graphene heating coating 2 is increased, the resistance of the PTC graphene heating coating is increased, and the current is reduced, so that the heating power of the PTC graphene heating coating is reduced, and the temperature is constant at a fixed value; conversely, when the temperature of the PTC graphene heating coating 2 is reduced, the resistance thereof becomes small, the heating film power is increased, and the heating coating temperature is also increased, so that the temperatures of the automobile floor and the carpet heating pad are maintained in a safe range.

As shown in connection with fig. 1, the PTC graphene heating coating 2 in the present embodiment may include one or n heating units; each heating unit comprises a plurality of strip-shaped PTC graphene heating areas, the strip-shaped PTC graphene heating areas are adhered to the metal plating layers 6 distributed in a fence shape, and the strip-shaped PTC graphene heating areas are connected in parallel between the positive electrode and the negative electrode which are connected with the metal plating layers 6 and the wiring terminals 4. The utility model adopts the surface heating body, has no resistance wire hot spot, and has a parallel structure of PTC graphene heating zones, so that the safety coefficient of the heating device is higher.

In the actual production process, the metal coating 6 in the metal coating base film 1 is carved into a fence-shaped structure through a photoetching process, and the coatings on the left side and the right side are disconnected and are crossed like a comb; then, silk screen printing, gravure printing or spraying the PTC graphene heating coating 2; the two are tightly adhered, and virtual connection cannot occur; the PTC graphene heating coating 2 corresponds to a resistor on the PTC graphene heating coating and is connected in parallel between a conductive positive electrode and a conductive negative electrode which are connected with the wiring harness of the wiring terminal 4; the heating pad with the design has quick heating and good safety-! Cost is also lower ≡!

The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the utility model in any way, and those skilled in the art can make a few simple modifications, equivalent variations or modifications using the technical disclosure described above, all falling within the scope of the present utility model.

Claims

1. The PTC graphene automobile floor and carpet heating pad is characterized by mainly comprising a metal plating base film (1), a PTC graphene heating coating (2), a wiring terminal (4) and a waterproof substrate double faced adhesive tape (3); the metal plating base film (1), the PTC graphene heating coating (2), the wiring terminal (4) and the waterproof substrate double faced adhesive tape (3) are sequentially arranged from bottom to top; the PTC graphene heating coating (2) is arranged between the metal plating base film (1) and the waterproof substrate double faced adhesive tape (3); the PTC graphene heating coating (2) is connected with the wiring terminal (4) through the metal plating base film (1).

2. The PTC graphene automobile floor and carpet heating pad according to claim 1, wherein the metal plating base film (1) is divided into a base film layer (5) and a metal plating layer (6); the base film layer (5) is made of PET or PU; the metal of the metal coating (6) is copper or aluminum; the connecting terminal (4) is electrically connected with the metal coating (6).

3. The PTC graphene automobile floor and carpet heating pad according to claim 2, wherein a flame-retardant insulating cover plate is adhered to the joint of the wiring terminal (4) and the metal coating (6); the wiring terminal (4) is also connected with a wire harness for connecting with an external power supply.

4. The PTC graphene automobile floor and carpet heating pad according to claim 1, wherein the metal plating layers (6) are arranged in a fence shape, the PTC graphene heating coating layers (2) are adhered on the metal plating layers, and the metal plating layers and the PTC graphene heating coating layers are connected in parallel between a conductive positive electrode and a conductive negative electrode which are connected with the wiring harness of the wiring terminal (4).