CN212724768U

CN212724768U - Flat HDMI cable and connector thereof

Info

Publication number: CN212724768U
Application number: CN202020961521.4U
Authority: CN
Inventors: 赵亚宁; 周广森; 皮大雪
Original assignee: Jining Haifu Electronic Technology Co Ltd
Current assignee: Jining Haifu Electronic Technology Co Ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2021-03-16
Anticipated expiration: 2030-06-01

Abstract

A flat HDMI cable and a connector thereof relate to the technical field of data cables, and solve the problem of poor shielding effect, and comprise an HDMI cable and a connector, wherein the HDMI cable comprises a sheath layer, a data line pair I, a data line pair II, a data line pair III and a single-axis cable, the data line pair I comprises at least one line pair group, the line pair group comprises two single-axis cables, the data line pair II and the data line pair I have the same structure, the data line pair III comprises at least two single-axis cables, and a wiring end of the HDMI cable is provided with a conducting strip; the shielding effect of the HDMI cable is improved, the conducting strips are further arranged at the connecting positions of the terminals and the HDMI cable, the conducting strips can be arranged according to the requirements of the terminals on different color lines, the cable outputs different color lines, and the conducting strips can be directly butted with the terminals after being fixed, so that the shielding effect is better.

Description

Flat HDMI cable and connector thereof

Technical Field

The utility model relates to a data cable especially relates to a platykurtic HDMI cable and connector thereof.

Background

A Flexible Flat Cable (FFC), which is a new type of data Cable. The copper wire is manufactured by pressing an insulating material and an extremely thin tinned flat copper wire through automatic equipment. The cable has the characteristics of orderly arranged cable cores, large transmission quantity, flat structure, small volume, convenient disassembly and flexibility, and can be simply and flexibly applied to various electronic products as a data transmission cable. The flexible flat cable is particularly suitable for various high frequency bending applications, such as the connection of moving parts. In connection, it can not only adopt connector to peg graft, also can directly weld on printed circuit board.

At present, ultra-high speed data cables are developed towards the direction of lightness and thinness, and the ultra-high speed data transmission requirements and the signal transmission quality requirements are both met on the basis of the lightness and thinness design. In order to solve the problem of Electromagnetic interference (EMI), cable manufacturers generally arrange a metal shielding layer on a high-frequency signal line, but a flat cable only has one layer of metal shielding and has a poor shielding effect, and a woven metal mesh is wrapped on the outer surface of the flat cable, but the structure is unstable and easily causes disorder. When the flat cable is connected with the terminal, the positions of the wire and the terminal are fixed, the shielding wire needs to be stripped firstly, then the wire sequence is arranged, and the longer the stripped part is, the greater the influence on the signal quality is; there are also circuit boards disposed between the terminals and the cables, which still have difficulty in solving the problem of EMI although the problem of the flat cable is solved.

Disclosure of Invention

In order to solve the problem, the utility model provides a platykurtic HDMI cable and connector thereof provides a platykurtic HDMI cable that shielding effect is better. In order to achieve the above purpose, the utility model adopts the following technical scheme: a flat HDMI cable and a connector thereof comprise an HDMI cable and a wire clamp, wherein the HDMI cable comprises at least one wire pair group, at least two single-axis cable groups and a sheath layer, the wire pair group comprises at least two wire pairs arranged in parallel, a gap between the wire pairs is filled with a flexible resin material, and the outer side of the wire pair group is provided with a shielding layer formed by winding a single-layer aluminum foil or a copper foil; the single-axis cable group comprises at least one single-axis cable, wherein a shielding layer is arranged on the outer side of at least one single-axis cable group; the sheath layer is made of insulating materials and is uniformly arranged around the wire pair group and the single-shaft cable group; the wiring end of the HDMI cable is provided with a wire clamp, the wire clamp comprises two conducting strips, and a U-shaped clamping groove, a ground wire pin and a positioning hole are formed in each conducting strip.

Further, the wire pair comprises two conductive cores, the outer layers of the conductive cores are provided with protective sleeves, and the outer layers of the protective sleeves are sequentially provided with a polyurethane belting layer and a shielding layer respectively.

Further, the unipolar cable group sets up the unipolar cable of predetermineeing quantity, is provided with flexible resin material layer between the unipolar cable to guarantee the relative fixed in position between the unipolar cable.

Further, the outer layer of the uniaxial cable is provided with a shielding layer wound with aluminum foil or copper foil.

Further, the unipolar cable group sets up to shielding cable group, and shielding cable group includes two at least unipolar cables, and the unipolar cable skin is provided with the shielding layer of aluminium foil or copper foil winding.

Further, the unipolar cable group sets up to ordinary cable group, and ordinary cable group includes at least one unipolar cable, and the unipolar cable skin is provided with polyurethane band layer.

Furthermore, the wire pair group and the single-axis cable group are arranged in parallel, and the flatness of the HDMI cable is guaranteed.

Furthermore, the shielding layer of the HDMI cable is connected with the conducting strip, the ground wire pin is connected with the bonding pad of the terminal in a welding mode, the conducting strip is connected with the iron shell of the terminal in a welding mode, and the positioning hole is used for facilitating accurate welding after positioning.

Further, the width of the U-shaped clamping groove is set to be the width through which the biaxial cable can pass, and the biaxial cable with the shielding layer can be arranged in parallel.

Further, the width between the U-shaped clamping grooves is set to be the width through which the single-shaft cable can pass, and the single-shaft cable can pass.

Compared with the prior art, the utility model discloses following beneficial effect has: the shielding effect of the HDMI cable is improved, the conducting strips are further arranged at the connecting positions of the terminals and the HDMI cable, the conducting strips can be arranged according to the requirements of the terminals on different color lines, the different color lines output by the cable can be directly butted with the terminals after being fixed through the conducting strips, and the shielding layers of the line pairs do not need to be removed because the outer shielding layers only need to be removed when the color lines pass through the conducting strips, so that the shielding effect is better.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of an embodiment of an HDMI cable;

FIG. 2 is a schematic diagram of the structure of a data line pair I;

FIG. 3 is a schematic diagram of one embodiment of a data line pair III;

FIG. 4 is a schematic diagram of another embodiment of a data line pair III;

FIG. 5 is a schematic view of the structure of the HDMI cable and terminal mounting;

FIG. 6 is a schematic view of a conductive sheet;

in the drawings: 1. sheath layer, 2, data line pair I, 21, line pair group, 22, metal wheat draws shielding layer I, 23, polyurethane band I, 24, resin filling layer, 25, protective sheath, 26, electrically conductive core, 27, polyurethane band II, 28, metal wheat draws shielding layer II, 3, data line pair II, 4, data line pair III, 41, shielding cable group, 42, ordinary cable group, 5, unipolar cable, 6, conducting strip, 61, U type draw-in groove, 62, the locating hole, 63, the ground wire is participated in, 7, the pad of terminal, 8, the iron-clad of terminal.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described with reference to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and specific embodiments.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, a flat HDMI cable and connector thereof, including the HDMI cable, the HDMI cable include restrictive coating 1, data pair i 2, data pair ii 3, data pair iii 4 and unipolar cable 5, data pair i 2 include at least one wire pair group 21, wire pair group 21 include two unipolar cables, data pair ii 3 the same with data pair i 2 structure, data pair iii 4 include two at least unipolar cables, the wiring end of HDMI cable is provided with conducting strip 6.

Further, data line pair I2 includes that two lines are to the group, and the line pair group includes two electrically conductive cores 26, and electrically conductive core 26's skin is provided with protective sheath 25, and protective sheath 25's skin has set up polyurethane band layer I23 and metal wheat respectively in proper order and has drawn shielding layer I22, and two lines are provided with resin filling layer 24 to the space between the group to guarantee that two lines are to the group position relatively fixed between, and two lines are to the skin of group set up polyurethane band layer II 27 and metal wheat respectively in proper order and draw shielding layer II 28.

Further, be provided with the resin filling layer between data pair III 4's the unipolar cable to guarantee that the position is relatively fixed between the unipolar cable, the skin of unipolar cable is provided with polyurethane band layer and metal mylar shielding layer respectively in proper order.

Further, data pair III 4 sets up to set up to shielded cable group 41 and ordinary cable group 42, and shielded cable group 41 includes two at least unipolar cables, and the unipolar cable skin is provided with the shielding layer of aluminium foil or copper foil winding, and ordinary cable group 42 includes at least one unipolar cable, and the unipolar cable skin is provided with polyurethane band layer.

Further, the conducting strip 6 comprises a U-shaped clamping groove 61, a positioning hole 62 and a ground pin 63, wherein the U-shaped clamping groove 61 can be provided with a shielding layer-carrying biaxial cable in parallel; can also be connected with conducting strip 6 through the unipolar cable between U type draw-in groove 61, the metal mylar shielding layer of HDMI cable, the ground wire is participated in 63 and is connected with the pad 7 of terminal through the welded mode, conducting strip 6 is connected with the iron-clad 8 of terminal through the welded mode, and the effect of locating hole 62 is the accurate welding of being convenient for after the location.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. A flat HDMI cable and a connector thereof comprise an HDMI cable and a wire clamp, and are characterized in that the HDMI cable comprises at least one wire pair group, at least two single-axis cable groups and a sheath layer, the wire pair group comprises at least two wire pairs arranged in parallel, a flexible resin material is filled in a gap between the wire pairs, and a shielding layer formed by winding a single-layer aluminum foil or a copper foil is arranged on the outer side of the wire pair group; the single-axis cable group comprises at least one single-axis cable, wherein a shielding layer is arranged on the outer side of at least one single-axis cable group; the sheath layer is made of insulating materials and is uniformly arranged around the wire pair group and the single-shaft cable group; the wiring end of the HDMI cable is provided with a wire clamp, the wire clamp comprises two conducting strips, and a U-shaped clamping groove, a ground wire pin and a positioning hole are formed in each conducting strip.

2. The flat HDMI cable and its connector according to claim 1, wherein the wire pair comprises two conductive cores, the outer layer of the conductive core is provided with a protective sheath, and the outer layer of the protective sheath is sequentially provided with a polyurethane tape layer and a shielding layer, respectively.

3. The flat HDMI cable and the connector thereof as claimed in claim 1, wherein the plurality of the uniaxial cables are arranged in a predetermined number of uniaxial cables with a flexible resin material layer arranged therebetween.

4. The flat HDMI cable and its connector according to claim 3, wherein the outer layer of the single-axis cable is provided with a shielding layer wound with aluminum foil or copper foil.

5. The flat HDMI cable and the connector thereof according to claim 1, wherein the single-axis cable set is a shielding cable set comprising at least two single-axis cables, and the outer layer of the single-axis cable is provided with a shielding layer wound by aluminum foil or copper foil.

6. The flat HDMI cable and its connector according to claim 1, wherein the single-axis cable set is a common cable set, the common cable set includes at least one single-axis cable, and the single-axis cable is provided with a polyurethane tape layer on an outer layer thereof.

7. The flat HDMI cable and connector thereof according to claim 1, wherein the wire pair group is disposed in parallel with the single-axis cable group.

8. The flat HDMI cable and its connector according to claim 1, wherein the shielding layer of the HDMI cable is connected to a conductive plate, the ground pin is connected to the pad of the terminal by welding, and the conductive plate is connected to the iron case of the terminal by welding.

9. The flat HDMI cable and the connector thereof according to claim 1, wherein the width of the U-shaped slot is set to a width through which the twinaxial cable can pass.

10. The flat HDMI cable and the connector thereof according to claim 1, wherein the width between the U-shaped slots is set to a width through which the single-axis cable can pass.