CN220935334U

CN220935334U - Heating film structure for building floor

Info

Publication number: CN220935334U
Application number: CN202322352631.7U
Authority: CN
Inventors: 王相刚; 叶淑娴
Original assignee: Guangdong Jingu Saimo Technology Co ltd
Current assignee: Guangdong Jingu Saimo Technology Co ltd
Priority date: 2023-08-31
Filing date: 2023-08-31
Publication date: 2024-05-10
Anticipated expiration: 2033-08-31

Abstract

A heating film structure for building floors comprises a heating film, a protective film and a conductive terminal; the protective film is provided with two layers, and the two layers of the protective films are respectively positioned at the top and the bottom of the heating film; the conductive terminal passes through one end of the heating film and one end of the protective film; and stripping the protective film from the top of the heating film, which is contacted with the conductive terminal. In order to improve the conductivity of the heating film structure, the protective film at the contact position of the top of the heating film and the conductive terminal is stripped, so that the contact area between the conductive terminal and the heating film is increased, the problem of poor contact of the conductive terminal caused by too small electric contact area in the prior art is solved, and the service life of the heating film structure is prolonged to a certain extent.

Description

Heating film structure for building floor

Technical Field

The utility model relates to the technical field of heating films, in particular to a heating film structure for a building floor.

Background

The conventional electric heating floor block is generally in a strip shape, and comprises a facing layer for people to tread and a substrate positioned below the facing layer, wherein the substrate is usually made of wood, or can be made of other materials such as composite materials. The substrate is provided with a heating film, a connecting wire, a plug-in unit and other parts connected with an external power supply, and a mortice structure spliced by two between the floor blocks. After the electric heating floor blocks are spliced into the floor, the heating films are heated by electrifying the floor blocks, so that the floor generates heat, and the indoor environment is kept warm.

The heating film in the prior art generally comprises a heating film and a protective film for protecting the heating film, wherein a joint of the heating film for conducting electricity is generally an aluminum film or a copper mold, has a thin thickness, is not suitable for welding, is connected with the heating film after the protective film is punctured by a rivet with a claw, has the defects of small electric contact area and easy poor contact of the rivet after the rivet is used for a long time, and can be aged and reduced in elasticity after the rivet is heated if the protective film is stripped, so that the joint of the heating film is poor in contact.

Disclosure of utility model

In view of the above-mentioned drawbacks, an object of the present utility model is to provide a heating film structure for a building floor, which increases a contact area between a conductive terminal and a heating film and can improve conductivity of the heating film.

To achieve the purpose, the utility model adopts the following technical scheme:

a heating film structure for building floors comprises a heating film, a protective film and a conductive terminal;

The protective film is provided with two layers, and the two layers of the protective films are respectively positioned at the top and the bottom of the heating film;

the conductive terminal passes through the heating film and the protective film;

The protection film is stripped off from the position, corresponding to the conductive terminal, of the top of the heating film, and a conductive piece is arranged between the conductive terminal and the top of the heating film.

Further, the conductive piece is conductive double faced adhesive tape.

Further, the conductive terminal comprises a conductive connecting terminal and a conductive leading-out terminal;

The conductive connecting terminal sequentially passes through the conductive piece, the heating film and the protective film;

the conductive leading-out terminal is positioned at one end of the top of the conductive connecting terminal, and the conductive leading-out terminal is externally connected with a power supply.

Further, the conductive connection terminal comprises a rivet, and the rivet sequentially penetrates through the conductive piece, the heating film and the protective film;

The top and the bottom of rivet all are provided with the insulating layer.

Further, the conductive lead-out terminal comprises a riveting part and a lead part;

the riveting part is provided with a plurality of riveting holes, and a plurality of rivets penetrate through the riveting holes;

And through holes are formed in the positions of the conductive piece, the heating film and the protective film, which correspond to the riveting holes.

Further, the riveting part is positioned between the insulating layer and the conductive member, and the lead part is positioned outside the insulating layer;

The lead part is provided with a wire.

Further, the protective film is a PET film.

Further, the heating film is a graphene electrothermal film.

Further, the thickness of the protective film on the upper surface of the heating film is consistent with that of the conductive piece.

The technical scheme provided by the utility model can comprise the following beneficial effects:

In order to improve the conductivity of the heating film structure, the protective film at the position corresponding to the conductive terminal at the top of the heating film is stripped, so that the contact area between the conductive terminal and the heating film is increased, the problem that the conductive terminal is connected with the heating film after the conductive terminal pierces the protective film in the prior art, and the poor contact of the conductive terminal is caused due to the fact that the electrical contact area between the conductive terminal and the heating film is too small is solved, and the service life of the heating film structure is prolonged to a certain extent.

Drawings

FIG. 1 is a cross-sectional view of one embodiment of a heat generating film structure for a building floor of the present utility model;

FIG. 2 is a top view of the embodiment shown in FIG. 1;

Fig. 3 is a schematic view of the structure of the lead-out terminal shown in fig. 1;

Wherein: 1-heating film, 2-protection film, 3-conductive terminal, 31-conductive connection terminal, 311-insulating layer, 312-rivet, 32-conductive lead-out terminal, 321-rivet part, 321 a-rivet hole, 322-lead part, 4-conductive piece.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "top", "bottom", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly, for distinguishing between the descriptive features, and not sequentially, and not lightly.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

A heating film structure for a building floor according to an embodiment of the present utility model, including a heating film 1, a protective film 2, and a conductive terminal 3, is described below with reference to fig. 1 to 3; the protective film 2 is provided with two layers, and the two layers of protective films 2 are respectively positioned at the top and the bottom of the heating film 1; the conductive terminal 3 passes through the heating film 1 and the protective film 2; the protective film 2 is stripped off from the top of the heating film 1 at a position corresponding to the conductive terminal 3, and a conductive piece 4 is arranged between the conductive terminal 3 and the top of the heating film 1.

According to the utility model, the heating film 1 is electrically connected through the conductive terminal 3, the protective films 2 at the top and the bottom of the heating film 1 play a role in protecting the heating film 1, and the conductive terminal 3 sequentially penetrates through the protective film 2, the heating film 1 and the protective film 2 of the heating film 1 structure, so that the structure of the heating film 1 is firmer.

In order to improve the conductivity of the heating film structure, the protective film 2 at the contact position of the top of the heating film 1 and the conductive terminal 3 is stripped, so that the contact area between the conductive terminal 3 and the heating film 1 is increased, the problem that the conductive terminal 3 is connected with the heating film 1 after the conductive terminal 3 pierces the protective film 2 in the prior art, and the electrical contact area between the conductive terminal 3 and the heating film is too small, so that poor contact of the conductive terminal 3 is caused, and the service life of the heating film 1 structure is prolonged to a certain extent.

Since the top of the heating film 1 is stripped off the protective film 2 between the heating film 1 and the conductive terminal 3, the conductive member 4 is arranged between the top of the heating film 1 and the conductive terminal 3, so that the contact area between the conductive terminal 3 and the heating film 1 is increased, and the conductive effect of the heating film structure is improved.

Preferably, the conductive member 4 is a conductive double sided tape. The conductive double-sided adhesive tape has excellent adhesive property and conductive property, and is applied between the heating film 1 and the conductive terminal 3, so that the heating film 1 and the conductive terminal 3 are protected, and the conductive double-sided adhesive tape also has a conductive effect.

Further, the conductive terminal 3 includes a conductive connection terminal 31 and a conductive lead-out terminal 32; the conductive connection terminal 31 passes through the conductive member 4, the heating film 1 and the protective film 2 in order; the conductive leading-out terminal 32 is positioned at one end of the top of the conductive connecting terminal 31, and the conductive leading-out terminal 32 is externally connected with a power supply. The heating film 1 is electrically connected through the conductive terminal 3, the conductive connecting terminal 31 penetrates through the conductive piece 4 to be connected with the heating film 1, and the conductive lead-out terminal 32 is connected with a power line to realize the conduction of the heating film 1.

The conductive connection terminal 31 includes a rivet 312, the rivet 312 penetrating through the conductive member 4, the heat generating film 1 and the protective film 2 in this order; the top and bottom of rivet 312 are each provided with an insulating layer 311. The rivet 312 is used for realizing conductive connection to the heating film 1, and the insulating layer 311 is arranged at the top and the bottom of the rivet 312, so that the heating film 1 has insulativity in use, and the use safety of the heating film structure is ensured.

The conductive lead-out terminal 32 includes a caulking portion 321 and a lead portion 322; the caulking portion 321 is provided with a plurality of caulking holes 321a, and the plurality of rivets 321 pass through the caulking holes 321a; through holes are formed in the conductive member 4, the heating film 1 and the protective film 2 at positions corresponding to the rivet holes 321 a. The lead-out terminal 32 is connected with the lead and the lead connection terminal 31 to realize the conductive connection of the heating film structure, specifically, during riveting, the rivet 312 sequentially penetrates through the conductive piece 4 through the riveting hole 321a, and the corresponding through holes on the heating film 1 and the protection film 2 are formed in the riveting hole 321a, so that the lead-out terminal 32 and the lead connection terminal 31 are more stable.

Further, the caulking portion 321 is located between the insulating layer 311 and the conductive member 4, and the lead portion 322 is located outside the insulating layer 311; the lead portion 322 is provided with a wire.

Because the conductive member 4 is double-sided conductive adhesive, when the riveting portion 321 is located between the insulating layer 311 and the conductive member 4, the riveting portion 321 can be adhered to the double-sided conductive adhesive, so that the lead-out terminal 32 and the lead connecting terminal 21 are more stable, meanwhile, one end of a lead of the lead portion 322 is coated between the conductive double-sided adhesive and the riveting portion 321, and then the lead is led out from the lead portion 322, so that the connection of the lead is more stable and reliable, and in addition, the lead is coated between the conductive double-sided adhesive and the riveting portion 321, so that the lead can be prevented from being pulled and damaged.

Preferably, the protective film 2 is a PET film, and the PET film has the advantages of high transparency, no toxicity and no smell, so that the application safety of the structure of the heating film 1 is ensured, in addition, the PET film has good viscosity, good adhesion and good weather resistance, can be suitable for high temperature of 150 ℃, can be firmly adhered to the surface of the heating film 1, can not damage the PET film when the heating film 1 heats, and ensures the usability of the structure of the heating film 1; the heating film 1 is a graphene electric heating film, and the graphene electric heating film has the advantages of high efficiency, energy saving, good thermal stability, quick temperature rise, uniform heat dissipation, long service life, low maintenance cost and low manufacturing cost, and can meet the demands of users.

In order to ensure the flatness of the surface of the heating film structure, the thickness of the protective film 2 on the upper surface of the heating film 1 is consistent with that of the conductive piece 4, so that the protective film 2 and the conductive piece 4 can be protected, damage to the protective film 2 and the conductive piece 4 with inconsistent thickness is prevented, and meanwhile, the usability of the heating film structure is improved.

Other constructions, etc. and operation of a heating film structure for a building floor according to embodiments of the present utility model are known to those of ordinary skill in the art and will not be described in detail herein.

In the description herein, reference to the term "embodiment," "example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A heating film structure for building floor, its characterized in that: comprises a heating film, a protective film and a conductive terminal;

2. The heating film structure for building floors as recited in claim 1, wherein: the conductive piece is conductive double-sided adhesive tape.

3. The heating film structure for building floors as recited in claim 1, wherein: the conductive terminal comprises a conductive connecting terminal and a conductive leading-out terminal;

4. A heat generating film structure for a building floor as recited in claim 3, wherein: the conductive connecting terminal comprises a rivet which sequentially penetrates through the conductive piece, the heating film and the protective film;

The top and the bottom of rivet all are provided with the insulating layer.

5. The heating film structure for building floors as recited in claim 4, wherein: the conductive lead-out terminal comprises a riveting part and a lead part;

6. The heating film structure for building floors as recited in claim 5, wherein: the riveting part is positioned between the insulating layer and the conductive piece, and the lead part is positioned outside the insulating layer;

The lead part is provided with a wire.

7. The heating film structure for building floors as recited in claim 1, wherein: the protective film is a PET film.

8. The heating film structure for building floors as recited in claim 1, wherein: the heating film is a graphene electrothermal film.

9. The heating film structure for building floors as recited in claim 1, wherein: the thickness of the protective film on the upper surface of the heating film is consistent with that of the conductive piece.