CN213277582U

CN213277582U - HDMI cable

Info

Publication number: CN213277582U
Application number: CN202021774419.XU
Authority: CN
Inventors: 谢凯旋; 刘瑞东; 赵捷; 毋科科; 王文力; 程排常; 杨志鹏; 刘辉; 张概
Original assignee: Huizhou Dehong Technology Co ltd
Current assignee: Huizhou Dehong Technology Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-05-25
Anticipated expiration: 2030-08-21

Abstract

The utility model discloses a HDMI cable, including packing subassembly, sinle silk subassembly and oversheath subassembly. The packing assembly comprises a packing line and a plurality of supporting bars, each supporting bar is provided with a groove, the supporting bars are distributed in a ring shape, the supporting bars are connected to enclose a cavity, and the packing line is used for filling the cavity. The wire core assembly comprises a first ground wire, a conductor wire and a plurality of signal wire groups, and each signal wire group is respectively accommodated in each groove. The outer sheath subassembly includes weaving layer and protective sheath. A plurality of support bars and a plurality of signal group one-to-one set up, can play limiting displacement to the signal group, can reduce the displacement of this HDMI cable signal group in the use, the cavity that a plurality of support bar connection of filler line pair enclose is filled, can play the supporting role to a plurality of support bars, avoid a plurality of support bars crooked phenomenon to appear in production or use, further improve structural stability, thereby guarantee the transmission effect of picture quality and audio frequency, improve the life of HDMI cable.

Description

HDMI cable

Technical Field

The utility model relates to a signal data transmission wire rod technical field especially relates to a HDMI cable.

Background

With the rapid development of the internet, a lot of convenience is brought to people, which benefits from the superior characteristics of more convenience and rapidness of the internet, so that various industries are subjected to historical revolution, consumption transformation and industrial upgrading, meanwhile, the digitization and the transmissibility presented by the internet have higher requirements on the transmission quality and the transmission efficiency, the HDMI (high Definition Multimedia interface) is a high-Definition Multimedia interface line which is a high-quality choice for data transmission and is widely applied, the HDMI cable not only can meet the resolution of 1080P, but also can support digital Audio formats such as DVD Audio and the like, supports eight-channel 96kHz or stereo 192kHz digital Audio transmission, can transmit uncompressed Audio signals and video signals, and is widely applied to set-top boxes, DVD players, personal computers, television game instruments, comprehensive expanders, digital Audio and televisions through HDMI cable transmission, HDMI can convey audio frequency and video signal simultaneously, and HDMI supports EDID and DDC2B, can automatic selection the most suitable video or audio format between signal source and the display device, has both guaranteed that the transmission is true effective, has realized high-efficient convenient data transmission again.

However, a conventional HDMI cable is generally provided with a plurality of pairs of wire sets and a plurality of signal lines, the plurality of pairs of wire sets and the plurality of signal lines are arranged in a combined manner, and then are wrapped by an outer wrapping piece to form a round HDMI cable, but the HDMI cable needs to be moved and bent at will in the using process, and meanwhile, when the HDMI cable is swayed or shaken by external force, the wire sets and the signal lines of the HDMI cable are easy to displace, and after being used for a plurality of times and bent for a plurality of times, the performance of the HDMI cable is easy to be influenced, the transmission effect of image quality and audio frequency is influenced, the service life of the HDMI cable is influenced, and the user.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, providing a stable in structure's HDMI cable, can reduce the displacement phenomenon, improve the roundness and the structural stability of HDMI cable.

The purpose of the utility model is realized through the following technical scheme:

an HDMI cable comprising:

the packing assembly comprises a packing line and a plurality of supporting bars, each supporting bar is provided with a groove, the supporting bars are distributed in a ring shape, the supporting bars are connected to enclose a cavity, and the packing line is used for filling the cavity;

the wire core assembly comprises a first ground wire, a conductor wire and a plurality of signal wire groups, each signal wire group is respectively accommodated in each groove, the conductor wire is arranged between two adjacent signal wire groups, and the first ground wire is arranged between two adjacent signal wire groups; and

the outer sheath component comprises a woven layer and a protective sleeve, the woven layer is wrapped outside the first ground wire, the conductor wires and the signal wire groups, and the protective sleeve is wrapped outside the woven layer.

In one embodiment, each of the signal line groups includes an aluminum foil mylar layer, a second ground line, and two signal data lines, the two signal data lines are twisted with each other, the second ground line is disposed adjacent to the two signal data lines, and the aluminum foil mylar layer covers the second ground line and the two signal data lines.

In one embodiment, each of the signal data lines includes a first insulation protection layer and a plurality of first core units, the first core units are twisted with each other, and the first insulation protection layer covers the first core units.

In one embodiment, the conductor wire includes a second insulation protection layer and a plurality of second core wire monomers, the plurality of second core wire monomers are twisted with each other, and the second insulation protection layer covers the plurality of second core wire monomers.

In one embodiment, the first ground wire includes a third insulation protection layer and a plurality of third core units, the plurality of third core units are twisted with each other, and the third insulation protection layer covers the plurality of third core units.

In one embodiment, the filler line is nylon filament.

In one embodiment, the first insulation protection layer includes a PE foam layer and a PP foam layer, the PE foam layer covers the plurality of first core wires, and the PP foam layer covers the PE foam layer.

In one embodiment, the braided layer includes a copper wire mesh and an aluminum foil layer, the aluminum foil layer covers the first ground wire, the conductor wire and the signal wire groups, the copper wire mesh covers the aluminum foil layer, and the protective sleeve covers the copper wire mesh.

In one embodiment, the support strip is a polyethylene support strip or a polypropylene support strip.

In one embodiment, the thickness of the aluminum foil mylar layer is 0.04mm to 0.06 mm.

Compared with the prior art, the utility model discloses at least, following advantage has:

the utility model discloses a set up a plurality of support bars, a plurality of support bars all set up the recess with signal line group looks adaptation respectively, be used for holding signal line group, each signal line group holds in each recess respectively, that is to say, a plurality of support bars and a plurality of signal line group one-to-one set up, can play the limiting displacement to signal line group, can reduce the displacement of signal line group in this HDMI cable use, and a plurality of support bars are the ring form and distribute, thus make a plurality of signal line group be the ring form and distribute, conductor wire and first ground wire set up respectively between two adjacent signal line groups, and then wrap first ground wire, conductor wire and a plurality of signal line groups through weaving layer and protective sheath in proper order, can obtain the HDMI cable that the rounding degree is good, simultaneously, fill the cavity that a plurality of support bars connect to enclose through the filler wire, can play the supporting role to a plurality of support bars, the deflection phenomenon of the plurality of supporting bars in the production or use process is avoided, and the structural stability of the HDMI cable is further improved, so that the image quality and the audio transmission effect of the HDMI cable are guaranteed, and the service life of the HDMI cable is prolonged.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of an HDMI cable according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of signal data lines of the HDMI cable shown in fig. 1;

fig. 3 is a schematic structural diagram of an outer sheath assembly of the HDMI cable shown in fig. 1;

fig. 4 is a schematic structural diagram of a first insulation protection layer of the HDMI cable shown in fig. 1;

fig. 5 is a partial structural diagram of the support bar of the HDMI cable shown in fig. 1.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, 3 and 5, the HDMI cable 10 includes: a filler assembly 100, a wire core assembly 200, and an outer jacket assembly 300. The filling assembly 100 comprises a filling line 110 and a plurality of supporting bars 120, each supporting bar 120 is provided with a groove 121, the supporting bars 120 are distributed in a ring shape, the supporting bars 120 are connected to enclose a cavity, and the filling line 110 is used for filling the cavity. The core assembly 200 includes a first ground line 210, a conductor line 220 and a plurality of signal line groups 230, wherein each of the signal line groups 230 is respectively accommodated in each of the recesses 121, the conductor line 220 is disposed between two adjacent signal line groups 230, and the first ground line 210 is disposed between two adjacent signal line groups 230. The outer sheath assembly 300 includes a braid 310 and a protective sheath 320, the braid 310 covers the first ground wire 210, the conductor wire 220 and the plurality of signal wire groups 230, and the protective sheath 320 covers the braid 310.

It should be noted that, the plurality of supporting bars 120 are arranged in a ring shape, two adjacent supporting bars 120 are connected with each other, specifically, two adjacent supporting bars 120 can be bonded by an adhesive, so as to realize the connection between two adjacent supporting bars 120, thereby obtaining a ring-shaped supporting frame for accommodating and supporting the plurality of signal line groups 230, the plurality of supporting bars 120 are connected to form a cavity, the cavity is filled by arranging the filler line 110 in the cavity, the filler line 110 is respectively abutted against the plurality of signal line groups 230 to play a supporting role, so as to prevent the HDMI cable 10 from shifting during use, thereby ensuring the structural stability, a surface of each supporting bar 120 facing away from the filler line 110 is provided with a groove 121 adapted to the signal line group 230 for accommodating each signal line group 230, the number of the signal line groups 230 corresponds to the number of the supporting bars 120, that is, the plurality of supporting bars 120 are arranged in one-to-one correspondence with the plurality of signal line groups 230, the signal wire groups 230 are respectively accommodated in the grooves 121 of the support bars 120, so that the signal wire groups 230 are distributed in a ring shape, a plurality of support bars 120 are arranged, the signal wire groups 230 can be limited, the displacement of the signal wire groups 230 during the use of the HDMI cable 10 can be reduced, and the structural stability of the HDMI cable 10 can be improved, and a plurality of support bars 120 are arranged, a corresponding number of support bars 120 can be arranged according to the number of the signal wire groups 230 according to the specific production requirements, the number of the support bars 120 can be flexibly arranged according to the production requirements, the applicability and the practicability are good, the conductor wires 220 and the first ground wires 210 are respectively arranged between two adjacent signal wire groups 230, the first ground wires 210, the conductor wires 220 and the signal wire groups 230 are sequentially coated by the braid 310 and the protective sleeve 320, the HDMI cable 10 with good roundness and the structural stability of the HDMI cable 10 can be obtained, therefore, the image quality and the audio transmission effect of the HDMI cable 10 are ensured, the service life of the HDMI cable 10 is prolonged, it is worth mentioning that in this embodiment, the number of the signal line groups 230 is five, the number of the support bars 120 is five, the number of the conductor lines 220 is four, the number of the signal line groups 230 is five, five support bars 120 are correspondingly arranged and respectively correspond to the five signal line groups 230 one by one, and the obtained HDMI cable 10 has good roundness and good structural stability.

Specifically, referring to fig. 1, each of the signal line groups 230 includes an aluminum foil mylar layer 231, a second ground line 232, and two signal data lines 233, the two signal data lines 233 are twisted with each other, the second ground line 232 is disposed adjacent to the two signal data lines 233, and the aluminum foil mylar layer 231 is wrapped around the second ground line 232 and the two signal data lines 233. It can be understood that the two signal data lines 233 are twisted with each other to form a twisted pair with a stable structure for transmitting signals, the second ground line 232 is disposed adjacent to the two signal data lines 233 to achieve a grounding effect, and then the aluminum foil mylar layer 231 is used to coat the second ground line 232 and the two signal data lines 233 to achieve shielding and protecting effects, so that the signal line group 230 is obtained, and the signal transmission effect is good.

Specifically, referring to fig. 2, each of the signal data lines 233 includes a first insulating protection layer 234 and a plurality of first core units 235, the first core units 235 are twisted with each other, and the first insulating protection layer 234 covers the plurality of first core units 235. It can be understood, through setting up many first core monomer 235 of transposition each other, can obtain stable in structure's sinle silk structure, and the circularity is good, can carry the signal better faster, rethread first insulation inoxidizing coating 234 carries out the cladding to many first core monomer 235, play the insulating effect, simultaneously, when twisting two signal data line 233, first insulation inoxidizing coating 234 can protect many first core monomer 235, further guarantee structural stability.

Specifically, referring to fig. 1, the conductor line 220 includes a second insulating protection layer 221 and a plurality of second core single units 222, the plurality of second core single units 222 are twisted with each other, and the second insulating protection layer 221 is coated outside the plurality of second core single units 222. It can be understood that conductor line 220 obtains stable in structure's sinle silk structure through many second heart yearn monomer 222 transposition each other, and the circularity is good, can carry synchronous signal better faster, and rethread second insulation protection layer 221 carries out the cladding to many second heart yearn monomers 222, plays insulation protection effect, avoids appearing the short circuit phenomenon.

More specifically, referring to fig. 1 again, the first ground wire 210 includes a third insulation protection layer 211 and a plurality of third core units 212, the plurality of third core units 212 are twisted with each other, and the third insulation protection layer 211 covers the plurality of third core units 212. It can be understood that, through many third core wire monomers 212 transposition each other, obtain stable in structure's core structure, and the circularity is good, rethread third insulation protection layer 211 coats many third core wire monomers 212, plays insulation protection effect, because first ground wire 210 sets up between two adjacent signal group 230, can avoid appearing the short circuit phenomenon through setting up third insulation protection layer 211, improves this HDMI cable 10's security.

More specifically, the filler line 110 is nylon filament. As can be understood, the nylon yarn has very high mechanical strength, and the softening point is high, and is heat-resisting, and coefficient of friction is low, and is stand wear and tear, and electrical insulation is good, and is nontoxic, odorless, can work under high temperature, high humidity, adopts the nylon yarn as filler line 110, can reach fine filling effect, and can improve this HDMI cable 10's mechanical strength, and structural stability is better, can guarantee signal data's transmission rate and effect.

Further, referring to fig. 4, the first insulation protection layer 234 includes a PE foam layer 234a and a PP foam layer 234b, the PE foam layer 234a covers the plurality of first core units 235, and the PP foam layer 234b covers the PE foam layer 234 a. It can be understood that, because PE foaming layer 234a contacts with many first core monomers 235, PE foaming layer 234a is soft expanded material, have the characteristics of light quality, the compliance is good, can laminate many first core monomers 235 better, it is effectual to the cladding of many first core monomers 235, play better guard action, PP foaming layer 234b is half hard shaping, have moderate degree hardness, compliance, can not scotch, bruise rather than the object of contact, have better surface protection nature, PP foaming layer 234b cladding is outside PE foaming layer 234a, be favorable to improving the mechanical strength of signal data line 233, when twisting two signal data line 233, can play better guard action, avoid damaging, improve structural stability, guarantee signal transmission effect.

Further, referring to fig. 1 and fig. 3, the braided layer 310 includes a copper wire mesh grid 311 and an aluminum foil layer 312, the aluminum foil layer 312 is wrapped outside the first ground wire 210, the conductor wire 220 and the plurality of signal lines 230, the copper wire mesh grid 311 is wrapped outside the aluminum foil layer 312, and the protective sleeve 320 is wrapped outside the copper wire mesh grid 311. It can be understood, through setting up aluminium foil layer 312, can further play the shielding effect, avoid signal transmission to receive electromagnetic interference, guarantee that the signal is carried well again, guarantee that user's use is experienced, the rethread sets up cladding copper wire mesh grid 311 outside aluminium foil layer 312, can play electromagnetic interference resistance's effect on the one hand, on the other hand, also can increase oversheath subassembly 300's mechanical strength and toughness, thereby improve this HDMI cable 10's mechanical strength, make the structure more stable.

Further, the supporting strip 120 is a polyethylene supporting strip or a polypropylene supporting strip. It can be understood that the polyethylene material and the polypropylene material both have good flexibility and toughness, which can ensure that the HDMI cable 10 has good bending resistance, and is beneficial to improving the service life of the HDMI cable 10.

Specifically, the thickness of the aluminum foil mylar layer 231 is 0.04mm to 0.06 mm. So, can guarantee that the thickness of aluminium foil mylar layer 231 is moderate, avoid aluminium foil mylar layer 231 too thick, influence the volume of the HDMI cable 10 that obtains, simultaneously, avoid aluminium foil mylar layer 231's thickness too thin, damage easily, and influence the shielding effect easily, the thickness of aluminium foil mylar layer 231 sets up to 0.04mm ~ 0.06mm, and shielding effect is good, and structural stability is good.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An HDMI cable, comprising:

2. The HDMI cable of claim 1, wherein each of the signal line groups comprises an aluminum foil Mylar layer, a second ground line and two signal data lines, the two signal data lines are twisted with each other, the second ground line is disposed adjacent to the two signal data lines, and the aluminum foil Mylar layer covers the second ground line and the two signal data lines.

3. The HDMI cable of claim 2, wherein each of the signal data lines comprises a first insulation protection layer and a plurality of first core units, the first core units are twisted with each other, and the first insulation protection layer covers the plurality of first core units.

4. The HDMI cable of claim 1, wherein the conductor line comprises a second insulation protection layer and a plurality of second core wire monomers, the plurality of second core wire monomers are twisted with each other, and the second insulation protection layer covers the plurality of second core wire monomers.

5. The HDMI cable of claim 1, wherein the first ground wire comprises a third insulation protection layer and a plurality of third core units, the plurality of third core units are twisted with each other, and the third insulation protection layer is wrapped outside the plurality of third core units.

6. The HDMI cable of claim 1, wherein said filler wire is nylon wire.

7. The HDMI cable of claim 3, wherein the first insulation protection layer comprises a PE foam layer and a PP foam layer, the PE foam layer covers the plurality of first core units, and the PP foam layer covers the PE foam layer.

8. The HDMI cable of claim 1, wherein the braid comprises a copper wire mesh and an aluminum foil layer, the aluminum foil layer is wrapped outside the first ground wire, the conductor wire and the plurality of signal wire groups, the copper wire mesh is wrapped outside the aluminum foil layer, and the protective sleeve is wrapped outside the copper wire mesh.

9. The HDMI cable of claim 1, wherein the support bars are polyethylene support bars or polypropylene support bars.

10. The HDMI cable of claim 2, wherein the aluminum foil Mylar layer has a thickness of 0.04mm to 0.06 mm.