Grounding FFC (flexible flat cable)

Abstract

The utility model discloses a grounded FFC (flexible flat cable), which comprises a conductor layer, a lettering insulating adhesive film, a word-free insulating adhesive film, a first aluminum foil layer and a second aluminum foil layer, the lettering insulating adhesive film is positioned between the first aluminum foil layer and the conductor layer, the word-free insulating adhesive film is positioned between the second aluminum foil layer and the conductor layer, and an insulating area crosses the middle of the second aluminum foil layer. A plurality of PIN wires are distributed and arranged on the inner side of the insulation area, each PIN wire is provided with a first ground wire and a second ground wire, the first ground wire is bent on the word-free surface in the direction away from the second ground wire, the second ground wire is bent on the word-free surface in the direction away from the first ground wire, and the first ground wire and the second ground wire are used for ground wire connection. According to the grounded FFC, an original whole PIN wire is cut into the first ground wire and the second ground wire (cutting is carried out according to the use requirement and not limited to the number and the position of the ground wires), the ground wires are connected and used by being bent outwards (not limited to the face where bending is carried out), a conductor layer can be completely electroplated in the electroplating technology in the production process, and the production efficiency is improved. And the service life and the quality of the product are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cable arrangement, in particular to a grounded FFC cable arrangement. Background Art

[0002] Flexible Flat Cable, referred to as Flat Cable or FFC, RFC. It is a new type of data cable made of PET or other insulating materials and extremely thin flat copper wires pressed together through a high-tech automated equipment production line. It has the advantages of being soft, flexible, thin, small, simple to connect, easy to disassemble, and easy to solve electromagnetic shielding (EMI). The current flat cable needs to be electroplated according to user needs. The product itself is tinned, but the service life of the tinning process is short. It is easy to be damaged when used in marine environments or other harsh environments. In order to increase the antioxidant capacity, the gold plating process is used. Since the original cable has a ground wire, it is rolled into a roll for electroplating because it needs to be reinforced and punched, so that the conductor on the outside can be electroplated, and the conductor on the inside cannot be electroplated. Utility Model Content

[0003] One purpose of the utility model is to provide a grounded FFC cable, in which the PIN wire on the gold finger is cut into a first ground wire and a second ground wire for use as a ground wire, and the grounding process before gold plating no longer requires overlapping conductors, so that the electroplating requirements of the conductor layer are met during the electroplating process, thereby improving product quality.

[0004] To achieve this purpose, the utility model adopts the following technical solutions:

[0005] A grounded FFC cable comprises a conductor layer, a printed insulating film, a wordless insulating film, a first aluminum foil layer and a second aluminum foil layer, wherein the printed insulating film is located between the first aluminum foil layer and the conductor layer, the wordless insulating film is located between the second aluminum foil layer and the conductor layer, an insulating region is spanned across the middle of the second aluminum foil layer, a plurality of PIN wires are arranged on the inner side of the insulating region, each of the PIN wires has a first ground wire and a second ground wire, the first ground wire is bent on the wordless insulating film in a direction away from the second ground wire, the second ground wire is bent on the wordless insulating film in a direction away from the first ground wire, and the first ground wire and the second ground wire are used for ground connection.

[0006] As a preferred technical solution, the conductor layer is connected to the insulating area.

[0007] As a preferred technical solution, the outer side of the first aluminum foil layer and the outer side of the second aluminum foil layer are coated with transparent high-temperature adhesive, and the transparent high-temperature adhesive clamps the first ground wire and the second ground wire.

[0008] As a preferred technical solution, the material of the conductor layer is copper.

[0009] The beneficial effects of the utility model are as follows: a grounded FFC cable is provided, wherein the original whole PIN wire is cut into a first ground wire and a second ground wire (cutting is performed according to usage requirements, not limited to the number and position of the ground wires), and the ground wire is replaced by being bent outward for use (not limited to which side the bending is performed), so that the conductor layer can be completely electroplated in the electroplating process during the production process. In addition, compared with the existing tin plating process, the grounding process of the present design before gold plating no longer requires overlapping conductors, thereby improving the quality of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The utility model is further described in detail below based on the drawings and embodiments.

[0011] Figure 1 is a cross-sectional view of a grounded FFC cable according to an embodiment;

[0012] Figure 2 A top view of a grounded FFC cable according to an embodiment;

[0013] Figure 3 A bottom view of a grounded FFC cable according to an embodiment.

[0014] Figures 1 to 3 middle:

[0015] 1. Conductor layer; 2. Printed insulating film; 3. Blank insulating film; 4. First aluminum foil layer; 5. Second aluminum foil layer; 6. Insulating area; 7. First ground wire; 8. Second ground wire. DETAILED DESCRIPTION

[0016] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0017] like Figures 1 to 3 As shown, in this embodiment, a grounded FFC cable includes a conductor layer 1, a printed insulating film 2, a wordless insulating film 3, a first aluminum foil layer 4 and a second aluminum foil layer 5, the printed insulating film 2 is between the first aluminum foil layer 4 and the conductor layer 1, the wordless insulating film 3 is between the second aluminum foil layer 5 and the conductor layer 1, an insulating area 6 is spanned across the middle of the second aluminum foil layer 5, and a plurality of PIN wires are distributed and arranged on the inner side of the insulating area 6, each PIN wire has a first ground wire 7 and a second ground wire 8, the first ground wire 7 is bent on the wordless insulating film 3 in a direction away from the second ground wire 8, and the second ground wire 8 is bent on the wordless insulating film 3 in a direction away from the first ground wire 7, and the first ground wire 7 and the second ground wire 8 are used for ground connection.

[0018] During the production process, the FFC cable needs to be gold-plated after it is formed. After the entire roll is gold-plated, according to the needs of different users, the PIN wire is cut from the middle at the position where the ground wire was originally installed to form the first ground wire 7 and the second ground wire 8. Then the first ground wire 7 and the second ground wire 8 are bent outwards respectively to replace the original ground wire.

[0019] In other embodiments, the PIN lines need to be cut at multiple locations, and the number and location of the cuts are not limited. The cuts are processed according to actual needs, and the cuts can also be made on one side of the printed insulating film 2 and bent.

[0020] In terms of specific structure, the insulating area 6 separates the gold finger from the outside, the outer side of the first aluminum foil layer 4 and the outer side of the second aluminum foil layer 5 are coated with transparent high-temperature glue, the transparent high-temperature glue clamps the first ground wire 7 and the second ground wire 8, and the material of the conductor layer 1 is copper.

[0021] After bending the first ground wire 7 and the second ground wire 8, the first aluminum foil layer 4 and the second aluminum foil layer 5 are coated on the outside of the cable, and transparent high-temperature glue is continuously wrapped around the first aluminum foil layer 4 and the second aluminum foil layer 5, and the second ground wire 8 and the second ground wire 8 are tightly pressed on the wordless surface.

[0022] It should be stated that the above-mentioned specific implementation methods are only preferred embodiments of the present utility model and the technical principles used. Within the technical scope disclosed by the present utility model, any changes or substitutions that can be easily thought of by technicians familiar with this technical field should be included in the protection scope of the present utility model.

Claims

1. A grounded FFC cable, characterized in that: It includes a conductor layer, a printed insulating film, a wordless insulating film, a first aluminum foil layer and a second aluminum foil layer, the printed insulating film is located between the first aluminum foil layer and the conductor layer, the wordless insulating film is located between the second aluminum foil layer and the conductor layer, an insulating area is spanned across the middle of the second aluminum foil layer, a plurality of PIN wires are distributed and arranged on the inner side of the insulating area, each of the PIN wires has a first ground wire and a second ground wire, the first ground wire is bent on the wordless insulating film in a direction away from the second ground wire, the second ground wire is bent on the wordless insulating film in a direction away from the first ground wire, and the first ground wire and the second ground wire are used for ground connection.

2. The grounded FFC cable according to claim 1, characterized in that: The conductor layer is in contact with the insulating region.

3. The grounded FFC cable according to claim 1, characterized in that: The outer side of the first aluminum foil layer and the outer side of the second aluminum foil layer are coated with transparent high-temperature adhesive, and the transparent high-temperature adhesive clamps the first ground wire and the second ground wire.

4. The grounded FFC cable according to claim 1, characterized in that: The material of the conductor layer is copper.

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