Automobile heating pad using FPC (Flexible Printed Circuit) flat cable

Abstract

The utility model relates to the technical field of heating pads, in particular to an automobile heating pad using a flexible printed circuit (FPC) flat cable. The heating pad comprises a heating pad body, a heating wire and a temperature sensor are arranged in the heating pad body, the heating wire and the temperature sensor are connected with the outside through an FPC (Flexible Printed Circuit) flat cable, the thickness of the FPC flat cable is 0.8-1.2 mm, four circuits are arranged in the FPC flat cable in parallel, and the four circuits are connected with the heating pad body. And one ends of the four circuits are respectively connected with the positive electrode of the heating wire, the negative electrode of the heating wire, the NTC positive electrode and the NTC negative electrode. The device solves the problems that too much manpower and time cost is needed, and the wire harness is too thick.

Description

Technical Field

[0001] The utility model relates to the technical field of heating pads, in particular to a heating pad for automobiles using an FPC cable. Background Art

[0002] Most of the existing manufacturers of car seat and interior heating pads on the market use traditional wires to connect the heating part and the power supply part.

[0003] Disadvantages of traditional wires in existing heating pads:

[0004] 1. The wiring harness production process is complicated and requires more manpower and time costs;

[0005] 2. The thickness of the harness is 5-10mm, the flexibility is poor, and it is not easy to assemble in areas with limited space. Utility Model Content

[0006] In order to solve the problems in the related art, the utility model provides a heating pad for a car using an FPC cable, which solves the problems of requiring too much manpower and time cost and too thick wiring harness.

[0007] In order to solve the above problems, the following technical solutions are provided:

[0008] The utility model discloses a car heating pad using an FPC cable, comprising a heating pad body, wherein a heating wire and a temperature sensor are arranged in the heating pad body, wherein the heating wire and the temperature sensor are both connected to the outside through the FPC cable, and the thickness of the FPC cable is 0.8-1.2 mm.

[0009] In the above solution, the FPC cable is set up and connected by welding, so that the product circuit layout is simple and the production process is simple, thus solving the problem of requiring more manpower and time costs. The FPC thickness is about 1mm, has good softness, can be bent, and is flexible in application. It can be folded at any angle for easy wiring, thus solving the problem of excessive thickness of the wiring harness.

[0010] The FPC cable contains four circuits, the four circuits do not intersect each other, and one end of the four circuits is respectively connected to the positive electrode of the heating wire, the negative electrode of the heating wire, the positive electrode of the NTC, and the negative electrode of the NTC.

[0011] In the above solution, the FPC cable is responsible for transmitting current and signals.

[0012] The FPC cable is in the shape of a long strip, and a plug connector for connecting to a power source is provided at the end of the FPC cable.

[0013] In the above solution, the FPC cable can be bent within a certain degree.

[0014] One end of the heating wire positive electrode and the heating wire negative electrode is provided with a welding head for welding the heating wire, and one end of the NTC positive electrode and the NTC negative electrode is provided with a welding head for welding a temperature sensor.

[0015] In the above scheme, the welding head is provided to weld the FPC cable to the heating wire and the FPC cable to the temperature sensor.

[0016] The heating wire is a graphene heating wire.

[0017] The above solution uses graphene heating wire, which has the characteristics of high thermal conductivity, fast electrical conduction, high barrier properties, ultra-thin performance and high thermal stability.

[0018] The above solution has the following advantages:

[0019] 1. The automotive heating pad using FPC cable of the utility model comprises a heating pad body, a heating wire and a temperature sensor are arranged in the heating pad body, the heating wire and the temperature sensor are connected to the outside through the FPC cable, the thickness of the FPC cable is 0.8-1.2mm, and the product circuit layout is simple and the manufacturing process is simple through the setting of the FPC cable and the welding connection, thereby solving the problem of requiring more manpower and time cost. The FPC is about 1mm thick, has good softness, is bendable, and is flexible in application. It can be folded at any angle for easy wiring.

[0020] 2. The FPC cable contains four circuits, which do not intersect. One end of the four circuits is connected to the positive electrode of the heating wire, the negative electrode of the heating wire, the positive electrode of the NTC and the negative electrode of the NTC respectively. The FPC cable is responsible for transmitting current and signals. The FPC cable is in the shape of a long strip and can be bent to a certain extent. One end of the positive electrode and the negative electrode of the heating wire is provided with a welding head for welding the heating wire, and one end of the positive electrode and the negative electrode of the NTC is provided with a welding head for welding the temperature sensor. The heating wire is a graphene heating wire. Graphene has the characteristics of high thermal conductivity, fast electrical conduction, high barrier properties, ultra-thin performance and high thermal stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic diagram of the structure of a heating pad for a car using an FPC cable;

[0022] Explanation of the reference numerals: 1. Heating pad body; 2. Heating wire positive electrode; 3. Heating wire negative electrode; 4. NTC positive electrode; 5. NTC negative electrode; 6. Plug connector. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] like Figure 1 As shown, a car heating pad using an FPC cable of the utility model includes a heating pad body 1, in which a heating wire and a temperature sensor are arranged. The heating wire and the temperature sensor are connected to the outside through the FPC cable, and the thickness of the FPC cable is 0.8-1.2mm.

[0025] The FPC cable contains four circuits, which do not intersect each other. One end of the four circuits is respectively connected to the heating wire positive electrode 2, the heating wire negative electrode 3, the NTC positive electrode 4 and the NTC negative electrode 5.

[0026] The FPC cable is in the shape of a long strip, and a plug connector 6 for connecting a power source is provided at the end of the FPC cable, a welding head for welding the heating wire is provided at one end of the heating wire positive electrode 2 and the heating wire negative electrode 3, and a welding head for welding the temperature sensor is provided at one end of the NTC positive electrode 4 and the NTC negative electrode 5.

[0027] The heating wire is a graphene heating wire. Graphene has the characteristics of high thermal conductivity, fast electrical conduction, high barrier properties, ultra-thin performance and high thermal stability.

[0028] The temperature sensor is an NTC chip. The NTC chip is miniaturized and responds quickly to temperature changes. It can be used as a high-sensitivity and high-precision temperature sensor.

[0029] The welding heads at one end of the heating wire positive electrode 2 and the heating wire negative electrode 3 are welded to the welding heating wire, the welding heads at one end of the NTC positive electrode 4 and the NTC negative electrode 5 are welded to the temperature sensor, and the plug connector 6 at the end of the FPC cable is connected to the power supply.

[0030] In the description of the present utility model, it should be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In the description of the present utility model, unless otherwise specified and limited, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a mechanical connection or an electrical connection, or it can be the internal communication of two elements, it can be a direct connection, or it can be an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0031] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A heating pad for automobile using FPC cable, characterized in that: The invention comprises a heating pad body (1), wherein a heating wire and a temperature sensor are arranged inside the heating pad body (1), and the heating wire and the temperature sensor are both connected to the outside via an FPC cable, and the thickness of the FPC cable is 0.8-1.2 mm.

2. The automotive heating pad using FPC cable as claimed in claim 1, characterized in that: The FPC cable contains four circuits, the four circuits do not intersect each other, and one end of the four circuits is respectively connected to the heating wire positive electrode (2), the heating wire negative electrode (3), the NTC positive electrode (4) and the NTC negative electrode (5).

3. The automotive heating pad using FPC cable as claimed in claim 1, characterized in that: The FPC cable is in the shape of an elongated strip, and a plug connector (6) for connecting to a power source is provided at the end of the FPC cable.

4. The automotive heating pad using FPC cable as claimed in claim 2, characterized in that: One end of the heating wire positive electrode (2) and the heating wire negative electrode (3) is provided with a welding head for welding the heating wire, and one end of the NTC positive electrode (4) and the NTC negative electrode (5) is provided with a welding head for welding a temperature sensor.

5. The automotive heating pad using FPC cable as claimed in claim 1, characterized in that: The heating wire is a graphene heating wire.

Images