CN112768128A

CN112768128A - High-frequency transmission line for FFC (flexible flat cable)

Info

Publication number: CN112768128A
Application number: CN202110004537.5A
Authority: CN
Inventors: 向国东; 杨瑾雯; 王富善
Original assignee: Huizhou Guoxinda Transmission Technology Co ltd
Current assignee: Huizhou Guoxinda Transmission Technology Co ltd
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2021-05-07
Anticipated expiration: 2041-01-04
Also published as: CN112768128B

Abstract

The invention discloses a high-frequency transmission line for FFC (flexible flat cable) wiring, which comprises a high-frequency transmission line main body, wherein the high-frequency transmission line main body comprises a line body shell, a plurality of convex parts are arranged on the line body shell, a concave area is formed between every two adjacent convex parts, cavities are arranged in the convex parts, the upper cavity surface and the lower cavity surface of each cavity are mutually exclusive, a plurality of protective belts are inserted into the cavities, the protective belts surround the line body shell, a plurality of movable protective blocks are sleeved on the protective belts, the protective blocks are arranged in the concave areas, dehumidifying assemblies are arranged in the protective blocks, a plurality of rows of grooves are formed in the surfaces of the protective blocks, and water absorbing. The invention has simple structure, high structural strength of the shell of the whole high-frequency transmission line, good pressure resistance and waterproofness, long service life and longer service life.

Description

High-frequency transmission line for FFC (flexible flat cable)

Technical Field

The invention relates to the field of high-frequency transmission lines, in particular to a high-frequency transmission line for an FFC (flexible flat cable).

Background

The FFC Flat Cable is also called as a Flexible Flat Cable (FFC) Chinese translation: the flexible flat cable can randomly select the number and the spacing of the conducting wires, so that the connection is more convenient, the volume of an electronic product is greatly reduced, the production cost is reduced, the production efficiency is improved, and the flexible flat cable is most suitable for being used as a data transmission cable between a moving part and a main board, between a PCB and the PCB and in miniaturized electrical equipment.

When the conventional FFC flat cable is used, a high-frequency transmission line is often matched. The existing high-frequency transmission line for the FFC flat cable is poor in waterproofness and pressure resistance and is easy to damage after being used for a long time.

Disclosure of Invention

The present invention is directed to a high frequency transmission line for FFC bus lines, which can solve the above problems.

The invention is realized by the following technical scheme: the utility model provides a high frequency transmission line for FFC winding displacement, including the high frequency transmission line main part, the high frequency transmission line main part includes the line body shell, be provided with a plurality of bellyings on the line body shell, be formed with the concave area between two adjacent bellyings, be provided with the cavity in the bellyings, the last chamber face of cavity and its lower chamber face repel each other, insert many boundary belts in each cavity, the boundary belt surrounds the line body shell, the cover is equipped with a plurality of portable protection pieces on the boundary belt, the protection piece sets up in the concave area, set up the dehumidification subassembly in the protection piece, multiseriate recess has been seted up on the surface of protection piece, the inner.

Preferably, the wire body housing and the protruding part are of an integrated structure.

As a preferable technical scheme, the protective belt is made of an anti-aging colloid material, the two sides of the protruding portion are provided with inserting openings, the inserting openings are communicated with the cavity, the protective belt penetrates through the inserting openings to be inserted into the cavity, and the size of the protective block is larger than that of the inserting openings.

As the preferred technical scheme, the protection block is made of elastic colloid materials, a connecting channel is arranged on the protection block, the protective belt penetrates through the connecting channel, the dehumidifying component comprises a dehumidifying cavity arranged in the protection block, dry particles wrapped by gauze are stored in the dehumidifying cavity, and the protection block is provided with air holes communicated with the dehumidifying cavity.

As the preferred technical scheme, the water absorbing layer is made of sponge and is fixed in the groove through waterproof glue.

As the preferred technical scheme, a first magnetic sheet is fixed on the upper cavity surface of the cavity, a second magnetic sheet is fixed on the lower cavity surface of the cavity, and the first magnetic sheet and the second magnetic sheet are oppositely arranged and mutually exclusive.

The invention has the beneficial effects that: the invention has simple structure, high structural strength of the shell of the whole high-frequency transmission line, good pressure resistance and waterproofness, long service life and longer service life.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is an overall block diagram of the present invention;

fig. 2 is a structural diagram of a protection block of the present invention.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

This specification includes any features disclosed in the appended claims, abstract and drawings, which are, unless expressly stated otherwise, replaceable with other equivalent or similarly purposed alternative features. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The use of terms such as "upper," "above," "lower," "below," and the like in describing relative spatial positions herein is for the purpose of facilitating description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented 90 degrees or at other orientations and the spatially relative descriptors used herein interpreted accordingly.

In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "sleeved," "connected," "penetrating," "plugged," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 2, the high-frequency transmission line comprises a high-frequency transmission line body, the high-frequency transmission line body comprises a line body shell 1, a plurality of protrusions 2 are arranged on the line body shell 1, a concave area 3 is formed between every two adjacent protrusions 2, a cavity 211 is arranged in each protrusion 2, the upper cavity surface of each cavity 211 and the lower cavity surface of each cavity are mutually exclusive, a plurality of protective belts 5 are inserted into each cavity 211, the protective belts 5 surround the line body shell 1, a plurality of movable protective blocks 6 are sleeved on the protective belts 5, the protective blocks 6 are arranged in the concave areas 3, dehumidifying components are arranged in the protective blocks 6, a plurality of rows of grooves are formed in the surfaces of the protective blocks 6, and water absorbing layers 7.

Wherein, the line body shell 1 and the bulge 2 are of an integrated structure.

The protective tape 5 is made of an anti-aging colloid material, the two sides of the boss 2 are provided with sockets 222, the sockets 222 are communicated with the cavity 211, the protective tape 5 is inserted into the cavity 211 through the sockets 222, the size of the protective block 6 is larger than that of the sockets 222, and the protective block is difficult to move into the cavity.

Wherein, the protection block 6 is made of elastic colloid material, and the protection block 6 is provided with a connecting channel 611 and a protective belt. 5 passes through the connecting channel 611, the dehumidifying component comprises a dehumidifying cavity 613 arranged in the protecting block 6, dry particles 616 wrapped by gauze are stored in the dehumidifying cavity 613, and an air vent 617 communicated with the dehumidifying cavity 613 is arranged on the protecting block 6. The dried granules provide moisture protection to the surroundings.

Wherein, the layer 7 that absorbs water is made for the sponge, and the layer 7 that absorbs water is fixed in the recess through the waterproof glue, to the surface protection of absorbing water, has increased waterproof nature.

The upper cavity surface of the cavity 211 is bonded and fixed with the first magnetic sheet 12, the lower cavity surface is bonded and fixed with the second magnetic sheet 16, and the first magnetic sheet 12 and the second magnetic sheet 16 are oppositely arranged and mutually exclusive.

This technical scheme has increased the shell parcel to whole high frequency transmission line through the boundary belt in the outside when using, and the protection piece easily removes, has increased the scope of absorbing water on the layer that absorbs water, has further promoted the waterproof nature of whole high frequency transmission line.

The first magnetic sheet and the second magnetic sheet repel each other, and when external pressure acts on the protruding portion, the repulsive force can offset the pressure, so that the pressure resistance is increased. The protective block can increase the pressure resistance at the concave area. The whole high-frequency transmission line has good surface pressure resistance.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims

1. A high frequency transmission line for FFC winding displacement, includes the high frequency transmission line main part, and the high frequency transmission line main part includes cable body shell (1), its characterized in that: be provided with a plurality of bellyings (2) on line body shell (1), be formed with concave area (3) between two adjacent bellyings (2), be provided with cavity (211) in bellyings (2), the last cavity of cavity (211) and lower cavity repel each other, insert many boundary belts (5) in each cavity (211), boundary belt (5) surround line body shell (1), the cover is equipped with a plurality of portable protecting blocks (6) on boundary belt (5), protecting block (6) set up in concave area (3), set up the subassembly that dehumidifies in protecting block (6), multiseriate recess has been seted up on the surface of protecting block (6), the inner wall of recess is provided with layer (7) that absorb water.

2. The high-frequency transmission line for an FFC bus as claimed in claim 1, wherein: the wire body shell (1) and the lug boss (2) are of an integrated structure.

3. The high-frequency transmission line for an FFC bus as claimed in claim 1, wherein: the protective tape (5) is made of ageing-resistant colloid materials, the two sides of the protruding portion (2) are provided with inserting openings (222), the inserting openings (222) are communicated with the cavity (211), the protective tape (5) penetrates through the inserting openings (222) to be inserted into the cavity (211), and the size of the protective block (6) is larger than that of the inserting openings (222).

4. The high-frequency transmission line for an FFC bus as claimed in claim 1, wherein: the protection block (6) is made of elastic colloid material, a connecting channel (611) is arranged on the protection block (6), the protection belt (5) penetrates through the connecting channel (611), the dehumidifying component comprises a dehumidifying cavity (613) arranged in the protection block (6), dry particles (616) wrapped by gauze are stored in the dehumidifying cavity (613), and an air hole (617) communicated with the dehumidifying cavity (613) is arranged on the protection block (6).

5. The high-frequency transmission line for an FFC bus as claimed in claim 1, wherein: the water absorbing layer (7) is made of sponge, and the water absorbing layer (7) is fixed in the groove through waterproof glue.

6. The high-frequency transmission line for an FFC bus as claimed in claim 1, wherein: the upper cavity surface of the cavity (211) is fixed with a first magnetic sheet (12), the lower cavity surface is fixed with a second magnetic sheet (16), and the first magnetic sheet (12) and the second magnetic sheet (16) are oppositely arranged and mutually repulsed.