CN219382269U - Automobile heating pad - Google Patents

Abstract

The utility model discloses an automobile heating pad, and belongs to the technical field of automobile parts. The graphene heating pad comprises a pad body, wherein a plurality of graphene heating sheets are arranged in the pad body, each graphene heating sheet comprises two layers of transparent insulating films, a graphene layer positioned between the two insulating films and a current circuit arranged on the graphene layer, each current circuit comprises positive electrode wires which are arranged on two sides of the graphene layer and are parallel to each other, and a negative electrode wire which is arranged in the middle position between the two positive electrode wires and is parallel to the positive electrode wires. The graphene heating sheet is heated uniformly by arranging the current circuit, so that the heating speed is higher, and the heating efficiency of the automobile heating pad is improved.

Description

Automobile heating pad

Technical Field

The utility model belongs to the technical field of automobile parts, and particularly relates to an automobile heating pad.

Background

CN108738176a discloses a graphite alkene car heating pad, by the pad body, the graphite alkene piece that generates heat, the temperature controller, controller and cigar lighter plug constitute, its characteristics are, the graphite alkene piece that generates heat in the pad body comprises graphite alkene conductive film, upper non-woven fabrics and lower floor's non-woven fabrics, graphite alkene conductive film comprises graphite alkene fibre conductive paper, conductive adhesive tape, the wire, conductive adhesive tape is pasted in the both sides of graphite alkene fibre conductive paper, the wire is fixed on conductive adhesive tape, upper non-woven fabrics, graphite alkene conductive film and lower floor's non-woven fabrics pass through the conductive adhesive to be fixed, temperature controller connecting wire and controller, the cigar lighter plug is connected to the controller.

The problem that above-mentioned heating pad exists lies in, and its graphite alkene piece that generates heat the wire arrangement can't make it generate heat evenly, and heating rate is slower, leads to the heating efficiency of heating pad lower.

The technical problems to be solved by the application are as follows: how to improve the heating efficiency of the heating pad.

Disclosure of Invention

The utility model mainly aims to provide an automobile heating pad, which is characterized in that a graphene heating sheet heats uniformly by arranging a current circuit, so that the heating speed is higher, and the heating efficiency of the automobile heating pad is improved.

According to a first aspect of the utility model, an automobile heating pad is provided, which comprises a pad body, wherein a plurality of graphene heating sheets are arranged in the pad body, each graphene heating sheet comprises two layers of transparent insulating films, a graphene layer positioned between the two insulating films and a current circuit arranged on the graphene layer, each current circuit comprises positive electrode wires which are arranged on two sides of the graphene layer and are parallel to each other, and a negative electrode wire which is arranged in the middle position between the two positive electrode wires and is parallel to the positive electrode wires.

In a specific embodiment of the present utility model, the negative electrode wire is formed of an upper layer and a lower layer, and the graphene layer is sandwiched between the two layers of negative electrode wires.

In a specific embodiment of the present utility model, edges of both sides of the graphene layer are folded to form a groove, and the positive electrode wire is fixed in the groove.

In a specific embodiment of the utility model, an infrared reflective coating is disposed on a surface of the graphene heating sheet away from the human body.

In a specific embodiment of the present utility model, the graphene layer is formed by printing single-layer graphene multiple times.

In a specific embodiment of the present utility model, the cushion body is provided with an elastic band, and the elastic band is provided with mutually matched inserting fasteners.

In a specific embodiment of the present utility model, the pad body is provided with a cigar lighter plug, and the cigar lighter plug is electrically connected with the current circuit.

In a specific embodiment of the present utility model, a power source is detachably mounted in the pad body, and the current line is electrically connected to the power source.

In a specific embodiment of the present utility model, a temperature sensor and a controller are disposed in the pad body, and the temperature sensor and the power supply are respectively electrically connected to the controller.

In a specific embodiment of the present utility model, a switch button is provided on the pad, and the switch button is electrically connected to the controller.

One of the above technical solutions of the present utility model has at least one of the following advantages or beneficial effects:

this car heating pad is through setting up the graphite alkene piece that generates heat in the pad body and realize the heating function, and the both sides on its graphite alkene layer are equipped with the anodal wire, are equipped with the negative pole wire between two anodal wires, form symmetrical current loop, make graphite alkene piece that generates heat even, and heating rate is faster, and then has improved car heating pad's heating efficiency.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a schematic view of a first embodiment of the present utility model;

fig. 2 is a front view of a graphene heat-generating sheet according to a first embodiment of the present utility model;

fig. 3 is a schematic structural diagram of a graphene heat-generating sheet according to a first embodiment of the present utility model;

fig. 4 is a control line block diagram of a first embodiment of the present utility model.

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 exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the term "connected" should be construed broadly, and for example, it may be a fixed connection or an active connection, or it may be a detachable connection or a non-detachable connection, or it may be an integral connection; may be mechanically connected, may be electrically connected, or may be in communication with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements, indirect communication or interaction relationship between the two elements.

The following disclosure provides many different embodiments, or examples, for implementing different aspects of the utility model.

Referring to fig. 1 to 4, in one embodiment of the present utility model, an automobile heating pad includes a pad body 1, a plurality of graphene heating sheets 2 are disposed in the pad body 1, and a heating function of the automobile heating pad is achieved by the graphene heating sheets 2, and the automobile heating pad can be used as a cushion, a back cushion or a foot pad, etc. for heating an occupant;

the graphene heating sheet 2 comprises two layers of transparent insulating films 21, a graphene layer 22 positioned between the two insulating films 21 and a current circuit 23 arranged on the graphene layer 22, wherein the insulating films 21 can prevent the graphene layer 22 from conducting electricity with the cushion body 1 and do not influence infrared radiation of the graphene layer 22 outwards; the current circuit 23 includes positive wires 231 disposed on two sides of the graphene layer 22 and parallel to the positive wires 231, and negative wires 232 disposed at an intermediate position between the two positive wires 231 and parallel to the positive wires 231, which is equivalent to the fact that the resistance value of the graphene layer 22 between the two positive wires 231 and the negative wires 232 is approximately the same, and current flows from the two positive wires 231 and uniformly reaches the negative wires 232 at the intermediate position, so that the graphene heating sheet 2 heats uniformly, the heating speed is faster, and the heating efficiency of the automobile heating pad is improved.

Preferably, the cathode lead 232 is an upper layer and a lower layer, the graphene layer 22 is clamped between the two layers of cathode leads 232, the graphene heating sheet 2 is easy to deform in the pad body 1 due to extrusion, and the probability of poor contact between the leads and the graphene layer 22 can be reduced by the double-layer cathode lead 232.

Preferably, edges on two sides of the graphene layer 22 are folded to form grooves 221, and the positive electrode lead 231 is fixed in the grooves 221, so that the positive electrode lead 231 is not easy to separate from the graphene layer 22 due to the arrangement of the grooves 221 when the graphene heating sheet 2 deforms due to extrusion, and poor contact is avoided. In this embodiment, the positive electrode wire 231 may be fixed on the graphene layer 22 by conductive adhesive or the like.

In a specific embodiment, the positive electrode lead 231 and the negative electrode lead 232 are preferably copper strips, and the copper strips have good conductivity and ductility and can adapt to deformation to a certain extent; of course, the positive electrode lead 231 and the negative electrode lead 232 may be made of other conductive materials such as silver or zinc, which is not limited in this embodiment.

Preferably, the graphene heating sheet 2 is provided with an infrared reflection coating 3 on one surface far away from the human body, so that infrared radiation facing the direction far away from the human body can be reflected back to the human body, and the heating speed of the automobile heating pad is improved by further utilizing the radiation heat of the graphene heating sheet 2.

In one embodiment of the present utility model, the graphene layer 22 is formed by printing a single layer of graphene multiple times, so that the conductivity is better, and when one layer of graphene is damaged, the whole graphene layer 22 is not conductive, and the durability is improved.

In one embodiment of the utility model, the cushion body 1 is provided with the elastic band 4, when the automobile heating cushion is used as a cushion or a back cushion, the cushion body can be fixedly connected with an automobile seat, and the elastic band 4 is provided with the mutually matched buckle pieces 5, so that the cushion body is convenient to fix and detach.

Preferably, the pad body 1 is provided with a cigar lighter plug 6, the cigar lighter plug 6 is electrically connected with the current line 23, and the cigar lighter plug 6 can be connected with a cigar lighter of an automobile to directly supply power to the heating pad of the automobile.

Of course, the power supply 7 may be installed in the pad body 1 to supply power, and the power supply 7 is detachably connected with the pad body 1 and electrically connected with the current line 23 of the graphene heating sheet 2, so that the power supply 7 can be detached, replaced or detached to charge when no power is supplied to the power supply 7, and in a specific embodiment, the power supply 7 may be a mobile charger.

Further, a temperature sensor 8 and a controller 9 are arranged in the cushion body 1, the power supply 7 and the temperature sensor 8 are respectively and electrically connected to the controller 9, when the temperature sensor 8 detects that the temperature of the cushion body 1 is lower than a preset temperature, the controller 9 is supplied to the signal controller 9, the controller 9 controls the power supply 7 to supply power to the graphene heating sheet 2 to start heating until the temperature rises above the preset temperature, the controller 9 controls the power supply 7 to stop heating, and the like to intelligently regulate and control the automobile heating cushion so that a passenger is in a comfortable temperature;

in order to avoid that the car heating mat is still being heated when not in use, a switch button 10 may be provided on the mat body 1, said switch button 10 being electrically connected to the controller 9, and the power supply 7 may be turned off by the switch button 10 when the car heating mat is idle.

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 (10)

1. The utility model provides an automobile heating pad, includes the pad body, the pad body is internal to be equipped with a plurality of graphite alkene piece that generates heat, its characterized in that, graphite alkene piece that generates heat includes two-layer printing opacity insulating film, is located graphite alkene layer between two insulating films, sets up the electric current circuit on graphite alkene layer, electric current circuit is including setting up the positive pole wire that is parallel to each other on the both sides of graphite alkene layer, setting up the negative pole wire that is parallel with the positive pole wire in intermediate position between two positive pole wires.

2. The automotive heating mat of claim 1, wherein the negative electrode wire is in two layers, an upper layer and a lower layer, and the graphene layer is sandwiched between the two layers of negative electrode wire.

3. The automotive heating mat of claim 2, wherein edges of both sides of the graphene layer are folded to form a groove, and the positive wire is secured within the groove.

4. The automobile heating mat of claim 1, wherein the graphene heating sheet is provided with an infrared reflective coating on a side thereof remote from a human body.

5. The automotive heating mat of claim 1, wherein the graphene layer is printed from a single layer of graphene multiple times.

6. The automotive heating mat of claim 1, wherein the mat body is provided with an elastic band, and wherein the elastic band is provided with mating snap-fit members.

7. The automotive heating mat of claim 1, wherein the mat body is provided with a cigarette lighter plug, the cigarette lighter plug being electrically connected to the current line.

8. The automotive heating mat of claim 1, wherein a power source is removably mounted within the mat body, and the current circuit is electrically connected to the power source.

9. The automotive heating mat of claim 8, wherein a temperature sensor and a controller are provided within the mat body, the temperature sensor and the power source being electrically connected to the controller, respectively.

10. The automotive heating mat of claim 9, wherein the mat body is provided with a switch button, the switch button being electrically connected to a controller.