CN201185099Y

CN201185099Y - Earthing device for flexible drop-out line

Info

Publication number: CN201185099Y
Application number: CNU2007201779117U
Authority: CN
Inventors: 叶时堃
Original assignee: TIANRUI ELECTRONIC SCIENCE AND TECHNOLOGY DEVELOPMENT (KUNSHAN) Co Ltd
Current assignee: TIANRUI ELECTRONIC SCIENCE AND TECHNOLOGY DEVELOPMENT (KUNSHAN) Co Ltd
Priority date: 2007-09-28
Filing date: 2007-09-28
Publication date: 2009-01-21
Anticipated expiration: 2017-09-28

Abstract

The utility mode relates to a grounding device of the flexible winding displacement, and at least comprises a conductor circuit layer, two insulation layers, a grounding plate, a shielding insulation layer and a grounding conducting element, wherein, the two insulation layers are respectively arranged on the upper side surface and the lower side surface of the conductor circuit layer; the grounding plate is arranged on the surface of the insulation layer that is arranged at the upper side or the lower side of the conductor circuit layer, or both the upper and the lower insulation layers are provided with a grounding plate; the shielding insulation layer is arranged on the surface of the grounding plate, so as to wrap and shield the grounding plate; the grounding conducting element is arranged inside the shielding insulation layer, and one side of the grounding conducting element is contacted with the grounding plate, and the other side is exposed outside the insulation layer, so that the user can directly use the grounding conducting element for grounding.

Description

The earthing device of flexible flat cable

Technical field

The earthing device of the relevant a kind of flexible flat cable of the utility model refers to a kind of easy to processly especially, and allows the user form ground connection by this ground connection guiding element quickly and easily.

Background technology

Along with advancing by leaps and bounds of electronics technology, various electronic products day by day popularly are applied in the middle of our work and life.In various electronic products, winding displacement is widely applied with the approach as the signal transmission.Yet, winding displacement is when being used to transmission signal, but can supervene high frequency and high-octane electromagnetic wave, the interference that not only can generate electromagnetic waves of these electromagnetic waves to each parts in the electronic product, more likely cause the harm on the health, so various countries all order quite strict regulation for the electromagnetic intensity that electronic product produced.

The Electromagnetic Interference problem that is met with when using winding displacement for solving, known techniques are to utilize conductive fabric coating winding displacement, and pull out a lead and make its contact metalwork on every side from conductive fabric, or make directly contact metalwork on every side of conductive fabric.Thus, the electromagnetic wave that conductive fabric is produced with regard to the maskable winding displacement, and with its directly or via lead lead off to around metalwork, the electromagnetic wave outside of avoiding winding displacement by this and being produced is propagated.Yet said method must labor intensive be coated on conductive fabric on the winding displacement, and not only labor intensive is also wasted man-hour.In addition, not only the volume change is big behind the winding displacement coated with conductive cloth, more exists to be difficult for bending and unworkable problem.

So also occurring other on the market plants device, be to practise the top view that winding displacement is arranged as Fig. 1, and Fig. 2 is the profile of Fig. 1 along the I-I line.Please refer to Figure 1 and Figure 2, this winding displacement 100 comprises an insulation material 110, many signal line 120, at least one earth connection 130 and conductive foil 140.Wherein, insulation material 110 for example be poly-vinegar (polyester, PET) or other insulation material.Signal line 120 is disposed in the insulation material 110, in order to transmission signal.One first 132 of earth connection 130 be exposed to the insulation material 110 outside, that is the part surface of earth connection 130 be exposed to as the insulation material 110 outside, shown in Figure 2.In Fig. 1, the first 132 of earth connection 130 is covered by conductive foil 140, only illustrates its position with the dotted line summary.Conductive foil 140 covers insulation material 110 and contacts with the first 132 of earth connection 130.From the above, because conductive foil 140 covers insulation material 110, that is signal line 120 is also surrounded by conductive foil 140, therefore the electromagnetic wave that produced when transmission signal of signal line 120 will be subjected to the shielding of conductive foil 140 and can outwards not propagate, and can outwards lead off by the earth connection 130 that contacts with conductive foil 140; Yet its processing of above-mentioned earthing device is comparatively numerous and diverse.

The utility model content

Main purpose of the present utility model is promptly providing a kind of easy to process, and allows the user can be formed the flexible flat cable earthing device of ground connection quickly and easily by this ground connection guiding element.

For reaching above-mentioned purpose, flexible flat cable of the present utility model includes at least: the conductor line layer; Two insulating barriers, two insulating barriers are located at upper and lower two side surface of conductor line layer respectively; Ground plate is located at the surface of insulating layer of conductor line layer upside and/or downside; Protective layer, this protective layer is located at the ground plate surface; And the ground connection guiding element, this ground connection guiding element is arranged in the protective layer, and this ground connection guiding element one side contacts with ground plate, and side then exposes to protective layer in addition.

The beneficial effects of the utility model are: ground plate is coated cover, this ground connection guiding element is arranged in and covers in the insulating barrier, and this ground connection guiding element one side contacts with ground plate, and other then can expose to insulating barrier at side, allows the user directly form ground connection by this ground connection guiding element.

Description of drawings

Fig. 1 is a top view of commonly using flexible flat cable;

Fig. 2 is the profile of Fig. 1 along the I-I line;

Fig. 3 is the first example structure schematic diagram of flexible flat cable in the utility model;

Fig. 4 is the structural perspective of flexible flat cable in the utility model;

Fig. 5 is the second example structure schematic diagram of flexible flat cable in the utility model;

Fig. 6 A, B are the 3rd example structure schematic diagram of flexible flat cable in the utility model;

Fig. 7 is the 4th an example structure schematic diagram of flexible flat cable in the utility model;

Fig. 8 is the 5th an example structure schematic diagram of flexible flat cable in the utility model;

Fig. 9 is the 6th an example structure schematic diagram of flexible flat cable in the utility model;

Figure 10 is the 7th an example structure schematic diagram of flexible flat cable in the utility model;

Figure 11 is the 8th an example structure schematic diagram of flexible flat cable in the utility model.

[figure number explanation]

Winding displacement 100 insulation materials 110

Signal line 120 earth connections 130

First's 132 conductive foil 140

Flexible flat cable 2 conductor line layers 21

Copper cash a first insulating barrier 221

Second insulating barrier, 222 ground plates 23,23 '

Cover insulating barrier 24,24 ' perforation 25,25 '

Ground connection guiding element 26

Embodiment

As Fig. 3 is the first example structure schematic diagram of flexible flat cable in the utility model, and it includes this flexible flat cable 2 at least:

Conductor line layer 21, this conductor line layer 21 include a plurality of copper cash a that is arranged in parallel.

Two insulating barriers, and insulating barrier is respectively first, second insulating barrier 221,222, this first insulating barrier 221 is located at conductor line layer 21 uper side surface, and this second insulating barrier 222 is located at conductor line layer 21 downside surface.

Ground plate 23 is located at first insulating barrier, 221 surfaces of conductor line layer 21 upside.

Cover insulating barrier 24, this covers insulating barrier 24 is located at ground plate 23 surfaces, covers so that ground plate 23 is coated.

Wherein, this covers insulating barrier 24 and is provided with the perforation 25 that runs through, in perforation 25, be equipped with a ground connection guiding element 26, and this ground connection guiding element 26 can be terminal or rivet, this ground connection guiding element 26 is arranged in to be covered in the insulating barrier 24, and these ground connection guiding element 26 1 sides contact with ground plate 23, and side then can expose to and cover insulating barrier 24 in addition; Thus, the electromagnetic wave that this conductor line layer 21 is produced when transmission signal will be subjected to the shielding of ground plate 23 and can outwards not propagate, and can outwards lead off by the ground connection guiding element 26 that contacts with ground plate 23, and this ground connection guiding element 26 can directly expose to and cover insulating barrier 24, as shown in Figure 4, can allow the conveniently recognized use of user, and this ground connection guiding element 26 can be one or above setting as shown in the figure, and the casing that can be connected with this flexible flat cable by this ground connection guiding element, the earthing device of being scheduled on connector or the circuit board connects, and then reaches the effect of ground connection.

As Fig. 5 is the second example structure schematic diagram of flexible flat cable in the utility model, ground plate 23 in this flexible flat cable 2 is located at second insulating barrier, 222 surfaces of conductor line layer 21 downside, this covers insulating barrier 24 is located at ground plate 23 surfaces, wherein, this covers insulating barrier 24 and is provided with the perforation 25 that runs through, this perforation 25 can be goed deep in the ground plate 23, in perforation 25, wear a ground connection guiding element 26, and this ground connection guiding element 26 can be terminal or rivet, this ground connection guiding element 26 is arranged in to be covered in the insulating barrier 24, and these ground connection guiding element 26 1 sides contact with ground plate 23, and side then can expose to and cover insulating barrier 24 in addition, can reach the effect of ground connection equally.

As Fig. 6 A is the 3rd example structure schematic diagram of flexible flat cable in the utility model, this covers insulating barrier 24, ground plate 23, first insulating barrier 221 and conductor line layer 21 and is provided with the perforation 25 that runs through, this ground connection guiding element 26 is penetrated by covering insulating barrier 24, and pass ground plate 23, first insulating barrier 221 and conductor line layer 21 in regular turn, and this ground connection guiding element 26 is arranged in wherein among the circuit a, can make ground connection guiding element 26 simultaneously the signal of ground connection and circuit a derive, also can be as shown in Fig. 6 B, this ground connection guiding element 26 is arranged between the two circuit a.

As Fig. 7 is the 4th example structure schematic diagram of flexible flat cable in the utility model, ground plate 23 in this flexible flat cable 2 is located on the conductor line layer 21 simultaneously, first of downside, second insulating barrier 221,222 surfaces, this covers insulating barrier 24 is located at ground plate 23 surfaces, wherein, the insulating barrier 24 that covers of this side is provided with the perforation 25 that runs through, in perforation 25, wear a ground connection guiding element 26, this ground connection guiding element 26 is arranged in to be covered in the insulating barrier 24, and these ground connection guiding element 26 1 sides contact with ground plate 23, side then can expose to and cover insulating barrier 24 in addition, can reach the effect of ground connection equally.

As Fig. 8 is the 5th example structure schematic diagram of flexible flat cable in the utility model, ground plate 23 in this flexible flat cable 2 is located on the conductor line layer 21 simultaneously, first of downside, second insulating barrier 221,222 surfaces, this covers insulating barrier 24 is located at ground plate 23 surfaces, wherein, this covers insulating barrier 24, ground plate 23, first insulating barrier 223, the conductor line layer 21 and second insulating barrier 222 are provided with the perforation 25 that runs through, this ground connection guiding element 26 is penetrated by the insulating barrier 24 that covers of a side, and pass ground plate 23 in regular turn, first insulating barrier 223, the conductor line layer 21 and second insulating barrier 222, and contact with another ground plate 23 ', and this ground connection guiding element 26 is arranged in wherein among the circuit a; Certainly, this perforation 25 also can be goed deep into another ground plate 23 ', shown in the 6th embodiment of Fig. 9.

As Figure 10 is the 7th example structure schematic diagram of flexible flat cable in the utility model, ground plate 23 in this flexible flat cable 2 is located on the conductor line layer 21 simultaneously, first of downside, second insulating barrier 221,222 surfaces, this covers insulating barrier 24 is located at ground plate 23 surfaces, wherein, this covers insulating barrier 24, ground plate 23, first insulating barrier 223, the conductor line layer 21 and second insulating barrier 222 are provided with the perforation 25 that runs through, this ground connection guiding element 26 is penetrated by the insulating barrier 24 that covers of a side, and pass ground plate 23 in regular turn, first insulating barrier 223, the conductor line layer 21 and second insulating barrier 222, and contact with another ground plate 23 ', and this ground connection guiding element 26 is arranged between the two circuit a; Certainly, this perforation 25 also can be goed deep into another ground plate 23 ', shown in the 8th embodiment of Figure 11.

And covering insulating barrier and can also be protective layer in the various embodiments described above.

Technology contents of the present utility model and technical characterstic the sixth of the twelve Earthly Branches disclose as above, yet the personage who is familiar with this technology still may do various replacement and the modifications that do not deviate from this case utility model spirit based on announcement of the present utility model.Therefore, protection range of the present utility model should be not limited to those disclosed embodiments, and should comprise various do not deviate from replacement of the present utility model and modifications, and is contained by following claim.

Claims

1, a kind of earthing device of flexible flat cable is characterized in that, its flexible flat cable includes at least:

The conductor line layer;

Two insulating barriers, two insulating barriers are located at upper and lower two side surface of conductor line layer respectively;

Ground plate is located at the surface of insulating layer of conductor line layer upside and/or downside;

Protective layer, this protective layer is located at the ground plate surface; And

The ground connection guiding element, this ground connection guiding element is arranged in the protective layer, and this ground connection guiding element one side contacts with ground plate, and side then exposes to protective layer in addition.

2, the earthing device of flexible flat cable according to claim 1 is characterized in that this conductor line layer includes the circuit that a plurality of are arranged in parallel.

3, as the earthing device of flexible flat cable as described in the claim 2, it is characterized in that this ground connection guiding element is penetrated by protective layer, and pass ground plate in regular turn, insulating barrier and conductor line layer.

4, as the earthing device of flexible flat cable as described in the claim 2, it is characterized in that this ground connection guiding element is penetrated by the protective layer of a side, and pass ground plate in regular turn, insulating barrier, conductor line layer and insulating barrier, and contact with another ground plate.

5, the earthing device of flexible flat cable according to claim 1 is characterized in that, this ground connection guiding element is arranged in wherein in the circuit, or is arranged between two circuits.

6, the earthing device of flexible flat cable according to claim 1 is characterized in that this protective layer is for covering insulating barrier.

7, as the earthing device of flexible flat cable as described in the claim 6, it is characterized in that this conductor line layer includes the circuit that a plurality of are arranged in parallel.

8, as the earthing device of flexible flat cable as described in the claim 7, it is characterized in that this ground connection guiding element penetrates by covering insulating barrier, and pass ground plate in regular turn, insulating barrier and conductor line layer.

9, as the earthing device of flexible flat cable as described in the claim 7, it is characterized in that this ground connection guiding element is penetrated by the insulating barrier that covers of a side, and pass ground plate in regular turn, insulating barrier, conductor line layer and insulating barrier, and contact with another ground plate.

As the earthing device of flexible flat cable as described in the claim 7, it is characterized in that 10, this ground connection guiding element is arranged in wherein in the circuit, or is arranged between two circuits.