CN212303187U - Computer plug type audio and video terminal wire - Google Patents
Computer plug type audio and video terminal wire Download PDFInfo
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- CN212303187U CN212303187U CN202021239055.5U CN202021239055U CN212303187U CN 212303187 U CN212303187 U CN 212303187U CN 202021239055 U CN202021239055 U CN 202021239055U CN 212303187 U CN212303187 U CN 212303187U
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Abstract
A computer plug type audio/video terminal wire comprises at least one pair of power wires, at least two shielding twisted pairs, an interlayer and an outer sheath; the power line pairs are twisted in pairs; the shielded twisted-pair line is arranged in parallel with the power line twisted in pair with each other; the interlayer is separately arranged between the shielded twisted-pair lines and the power lines twisted in pairs, and is separately arranged between two adjacent shielded twisted-pair lines; the outer sheath is coated on the outer surfaces of the shielding twisted-pair line and the power line pair which are arranged in parallel, and the inner surface of the outer sheath is connected with the axial edge of the interlayer. The shielding twisted-pair line can promote signal transmission bandwidth and speed through selecting suitable twisted-pair pitch, and bigger bandwidth means that equipment can possess the promotion of higher resolution ratio, refresh rate and more audio and video performance to transmit uncompressed high definition video and multichannel audio data high-quality ground, support 2X 4K's picture, guarantee high-quality audio-visual signal transmission, consequently, the utility model discloses can be applicable to the transmission of high definition audio frequency and video between computer and the TV.
Description
Technical Field
The utility model relates to an audio frequency and video terminal line, more specifically say, the utility model relates to an audio frequency and video terminal line of computer plug formula.
Background
With the development of economy and the advancement of technology, network transmission is developed rapidly, network terminals are more and more popularized to common families, office places and public places, the network transmission information is large in quantity and high in definition, various entertainment programs are overwhelmed, the network terminals gradually replace family closed circuit television networks, and some families directly connect computers and televisions so as to watch programs on a large screen.
Meanwhile, people have a higher pursuit on the viewing and experience effects of high-definition audio and video, and corresponding 4K (18 Gbps bandwidth) signal sources and display equipment are also provided in the market, however, the matched audio and video signal transmission equipment is not further improved.
Therefore, a computer plug type audio and video terminal wire suitable for high-definition audio and video transmission between a computer and a television is designed, which becomes a technical problem to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an audio and video terminal line of computer plug formula is provided, this audio and video terminal line of computer plug formula can be applicable to the transmission of high definition audio and video between computer and the TV.
In order to solve the technical problem, the utility model discloses a technical scheme as follows:
a computer plug type audio/video terminal line is characterized in that: the device comprises at least one pair of power lines, at least two shielded twisted pairs, an interlayer and an outer sheath;
the power line pairs are twisted in pairs;
the shielded twisted-pair line is arranged in parallel with the power line twisted in pair with each other;
the interlayer is separately arranged between the shielded twisted-pair lines and the power lines twisted in pairs, and is separately arranged between two adjacent shielded twisted-pair lines;
the outer sheath is coated on the outer surfaces of the shielding twisted pair and the power line pair which are arranged in parallel, and the inner surface of the outer sheath is connected with the axial edge of the interlayer.
Firstly, because the utility model discloses a shield the twisted-pair line, and shield the twisted-pair line and fully utilized the balanced principle of twisted-pair line, make two opposite phase place and receive the interference of the same twisted-pair line of interference, offset each other in long distance transmission process, consequently, the signal transmission between two twisted-pair lines of shield the twisted-pair line is mutual noninterference, and, shield the twisted-pair line and can compensate the amplitude attenuation of audio signal or video signal well and the attenuation difference between the different frequencies, thereby keep original audio frequency or video quality, when transmission distance reaches 1km or more, the transmission of audio signal or video signal is more stable; therefore, the utility model discloses can long distance, high quality transmission audio signal or video signal.
Secondly, the shielding twisted-pair wire utilizes the reflection, absorption and skin effect of the shielding layer, thereby realizing the function of preventing electromagnetic interference and electromagnetic radiation, reducing the energy radiated outwards in the transmission process and obviously enhancing the capability of resisting the external electromagnetic interference; meanwhile, the shielded twisted pair can effectively shield external interference; and, shielding the paired line can also restrain the common mode interference among audio signal or the video signal transmission effectively, and the principle that make full use of phase place was offset further reduces audio signal or the external interference that receives among the video signal transmission process, even under the external environment of strong interference, the utility model discloses also can convey audio signal or video signal well, and can not be mingled with external noise, consequently, the utility model discloses an anti external disturbance ability is strong.
Thirdly, shielding the twisted-pair line through selecting suitable twisted-pair pitch, can promoting signal transmission's bandwidth and speed, the promotion that bigger bandwidth means that equipment can possess higher resolution ratio, refresh rate and more audio and video performance to transmit uncompressed high definition video and multichannel audio data high-quality ground, support 2 x 4K's picture, guarantee high-quality audio-visual signal transmission, consequently, the utility model discloses can be applicable to the transmission of high definition audio frequency and video between computer and the TV.
Finally, the interlayer is separately arranged between the shielded twisted-pair lines and the power lines twisted in pairs, and is separately arranged between two adjacent shielded twisted-pair lines; therefore, the shielded twisted pairs and the power line pairs are separated from each other, and the shielded twisted pairs are also separated from each other, so that the problem of mutual crosstalk among the shielded twisted pairs in a long-distance transmission process is solved, and transmission signals of the shielded twisted pairs are not interfered with each other.
The preferred technical scheme as power cord pair number and shielding twisted pair number in the utility model:
the power lines are in two pairs, each pair of power lines are twisted in pairs, and the two pairs of power lines which are twisted in pairs;
the number of the shielding twisted-pair wires is five.
As an optimal technical solution of the shielding twisted pair structure in the present invention:
the shielding twisted pair comprises a twisted pair unit, a diversion line and a twisted pair shielding layer;
the twisted pair unit comprises two twisted pairs, and the two twisted pairs are twisted with each other;
the diversion lines are arranged in parallel with the twisted-pair units;
the twisted pair shielding layer is coated on the outer surfaces of the guide lines and the twisted pair units which are arranged in parallel.
As the preferred technical solution of the twisted pair unit in the utility model:
the pair-twisting pitch of the two twisted wires of the twisted pair unit is between 8.00mm and 16.00 mm.
As a more preferable technical solution of the twisted pair unit in the present invention:
the pair pitch of the two twisted wires of the twisted pair unit is 9.71 mm.
By selecting proper pair twist pitch, far-end and near-end crosstalk of two twisted pairs in a long-distance transmission process of the twisted pair unit can be effectively reduced, original audio or video quality and real-time performance are kept, and therefore transmission of audio signals or video signals is more stable and time delay is lower.
As the utility model provides a preferred technical scheme of stranded conductor structure:
the stranded wire comprises an inner conductor and a dielectric layer;
the dielectric layer is coated on the outer surface of the inner conductor.
The twisted wire is mainly used for transmitting audio signals or video signals.
As the utility model provides a preferred technical scheme of water conservancy diversion line structure:
the flow guide line comprises an inner conductor and a dielectric layer;
the dielectric layer is coated on the outer surface of the inner conductor.
The diversion line is mainly used for grounding.
As the preferred technical scheme of the twisted pair shielding layer in the utility model:
the twisted-pair shielding layer is an aluminum-plastic composite tape shielding layer.
As the utility model provides a power cord structure's preferred technical scheme:
the power line comprises a conductive wire and an insulating outer sleeve;
the insulating outer sleeve is coated on the outer surface of the conducting wire.
As the utility model provides a preferred technical scheme of interlayer structure:
the interlayer is Y-shaped, X-shaped or star-shaped.
The interlayer can be selected to be Y-shaped, X-shaped or star-shaped according to the number of the shielded twisted pairs.
Compared with the prior art, the utility model has the advantages that:
firstly, because the utility model discloses a shield the twisted-pair line, and shield the twisted-pair line and fully utilized the balanced principle of twisted-pair line, make two opposite phase place and receive the interference of the same twisted-pair line of interference, offset each other in long distance transmission process, consequently, the signal transmission between two twisted-pair lines of shield the twisted-pair line is mutual noninterference, and, shield the twisted-pair line and can compensate the amplitude attenuation of audio signal or video signal well and the attenuation difference between the different frequencies, thereby keep original audio frequency or video quality, when transmission distance reaches 1km or more, the transmission of audio signal or video signal is more stable; therefore, the utility model discloses can long distance, high quality transmission audio signal or video signal.
Secondly, the shielding twisted-pair wire utilizes the reflection, absorption and skin effect of the shielding layer, thereby realizing the function of preventing electromagnetic interference and electromagnetic radiation, reducing the energy radiated outwards in the transmission process and obviously enhancing the capability of resisting the external electromagnetic interference; meanwhile, the shielded twisted pair can effectively shield external interference; and, shielding the paired line can also restrain the common mode interference among audio signal or the video signal transmission effectively, and the principle that make full use of phase place was offset further reduces audio signal or the external interference that receives among the video signal transmission process, even under the external environment of strong interference, the utility model discloses also can convey audio signal or video signal well, and can not be mingled with external noise, consequently, the utility model discloses an anti external disturbance ability is strong.
Thirdly, shielding the twisted-pair line through selecting suitable twisted-pair pitch, can promoting signal transmission's bandwidth and speed, the promotion that bigger bandwidth means that equipment can possess higher resolution ratio, refresh rate and more audio and video performance to transmit uncompressed high definition video and multichannel audio data high-quality ground, support 2 x 4K's picture, guarantee high-quality audio-visual signal transmission, consequently, the utility model discloses can be applicable to the transmission of high definition audio frequency and video between computer and the TV.
Finally, the interlayer is separately arranged between the shielded twisted-pair lines and the power lines twisted in pairs, and is separately arranged between two adjacent shielded twisted-pair lines; therefore, the shielded twisted-pair lines and the power line pairs are separated from each other, and the shielded twisted-pair lines are also separated from each other, so that the problem of mutual crosstalk among the shielded twisted-pair lines in a long-distance transmission process is solved, and transmission signals of the shielded twisted-pair lines are not interfered with each other.
Additionally, the utility model discloses still have rational in infrastructure, novel in design, reliability height, easy operation, installation and maintenance convenience, low in production cost, advantage such as easily promote.
The utility model discloses can be applicable to analog signal or digital signal's transmission, its application scope is wide. The utility model discloses can support 1920 x 1080 resolution ratio (Full HD), 4096 x 2160 (4K UHD), 3D Video (3D Video), X.V color mode (X.V.colour) high clear audio and Video's transmission.
The present invention will be described in further detail with reference to the drawings and the detailed description so that those skilled in the art can better understand the technical contents of the present invention.
Drawings
Fig. 1 is a schematic view of a radial cross-section structure of a preferred embodiment of the present invention.
Detailed Description
As shown in fig. 1, the computer plug type audio/video terminal line in the preferred embodiment includes two pairs of power lines 1, 2, five shielded twisted pairs 3, 4, 5, 6, 7, an interlayer 8 and an outer sheath 9;
the power lines 1 and 2 of each pair are twisted in pairs, and the two pairs of power lines 1 and 2 which are twisted in pairs;
the shielded twisted pairs 3, 4, 5, 6, 7 are arranged in parallel with the power lines 1, 2 twisted with each other;
the interlayer 8 is in a star shape, and the interlayer 8 is separately arranged between the shielded twisted pairs 3 and 7 and the power lines 1 and 2 twisted with each other, and between two adjacent shielded twisted pairs 3, 4, 5, 6 and 7;
the outer sheath 9 is coated on the outer surfaces of the shielding twisted pairs 3, 4, 5, 6 and 7 and the power line pairs 1 and 2 which are arranged in parallel, and the inner surface of the outer sheath 9 is connected with the axial edge of the interlayer 8.
The shielded twisted pairs 3, 4, 5, 6, 7 have the same structure, and the shielded twisted pair 3 is only used as an example for description, and the structures of the other shielded twisted pairs 4, 5, 6, 7 refer to the structure of the shielded twisted pair 3;
the shielded twisted pair 3 comprises a twisted pair unit 31, a diversion line 32 and a twisted pair shielding layer 33;
the twisted pair unit 31 includes two twisted pairs 311 and 312, and the two twisted pairs 311 and 312 are twisted with each other; the pair-twisting pitch of the two twisted wires 311 and 312 is 9.71 mm; the twisted wires 311 and 312 are mainly used for transmitting audio signals or video signals;
the twisted pair shielding layer 33 is an aluminum plastic composite tape shielding layer, and the twisted pair shielding layer 33 is coated on the outer surfaces of the parallel flow guide lines 32 and the twisted pair units 31.
The stranded wire 311 includes an inner conductor 3111 and a dielectric layer 3112; the dielectric layer 3112 covers the outer surface of the inner conductor 3111.
The stranded wire 312 comprises an inner conductor 3121 and a dielectric layer 3122; the dielectric layer 3122 covers the outer surface of the inner conductor 3121.
The diversion line 32 is arranged in parallel with the twisted pair unit 31;
the flow guide line 32 includes an inner conductor 321 and a dielectric layer 322; the dielectric layer 322 is coated on the outer surface of the inner conductor 321; the diversion line 32 is mainly used for grounding.
The power line pair 1 and the power line pair 2 have the same structure, and the following description will be given by taking only the power line pair 1 as an example, and the structure of the power line pair 2 refers to the structure of the power line pair 1;
the power line pair 1 includes two power lines 11, and the power lines include a conductive line 111 and an insulating sheath 112;
the insulating sheath 112 is coated on the outer surface of the conductive wire 111.
The working process and working principle of the present invention will be further described in detail with reference to the accompanying drawings.
Firstly, because the utility model discloses a shielding twisted- pair 3, 4, 5, 6, 7, and shielding twisted- pair 3, 4, 5, 6, 7 make full use of the balanced principle of twisted-pair, make two opposite phases and receive the interference of the same twisted-pair, offset each other in long distance transmission process, consequently, the signal transmission between two twisted-pairs of shielding twisted- pair 3, 4, 5, 6, 7 does not interfere with each other, and shielding twisted- pair 3, 4, 5, 6, 7 can compensate the amplitude attenuation of audio signal or video signal well and the attenuation difference between different frequencies, thereby keep original audio frequency or video quality, when transmission distance reached 1km or was farther, audio signal or video signal's transmission was more stable; so the utility model discloses can long distance, high quality transmission audio signal or video signal.
Secondly, the shielded twisted- pair wires 3, 4, 5, 6 and 7 utilize the reflection, absorption and skin effect of the shielding layer, thereby realizing the function of preventing electromagnetic interference and electromagnetic radiation, reducing the energy radiated outwards in the transmission process and obviously enhancing the capability of resisting the external electromagnetic interference; meanwhile, the shielded twisted- pair wires 3, 4, 5, 6 and 7 can effectively shield external interference; and, shielding paired line 3, 4, 5, 6, 7 can also restrain the common mode interference among audio signal or the video signal transmission effectively, and the principle that make full use of phase place was offset further reduces audio signal or the external interference that receives among the video signal transmission process, even under the external environment of strong interference, the utility model discloses also can convey audio signal or video signal well, and can not be mingled with external noise, consequently, the utility model discloses an anti external disturbance ability is strong.
Thirdly, shielding the twisted- pair lines 3, 4, 5, 6 and 7, and selecting proper twisted-pair pitch, the bandwidth and speed of signal transmission can be improved, and the larger bandwidth means that the equipment can have higher resolution, refresh rate and more audio and video performance, thereby transmitting uncompressed high-definition video and multi-channel audio data with high quality, supporting 2 x 4K pictures and ensuring high-quality audio and video signal transmission, therefore, the utility model can be suitable for the transmission of high-definition audio and video between a computer and a television;
by selecting a proper pair twist pitch, far-end and near-end crosstalk of the two twisted pairs 311 and 312 during long-distance transmission of the twisted pair unit 31 can be effectively reduced, and original audio or video quality and real-time performance are maintained, so that transmission of audio signals or video signals is more stable and time delay is lower.
Finally, the interlayer 8 is separately arranged between the shielded twisted pairs 3 and 7 and the power supply wires 1 and 2 twisted with each other, and between two adjacent shielded twisted pairs 3, 4, 5, 6 and 7; therefore, the shielded twisted pairs 3 and 7 and the power line pairs 1 and 2 are separated from each other, and the shielded twisted pairs 3, 4, 5, 6 and 7 are also separated from each other, so that the problem of mutual crosstalk between the shielded twisted pairs in a long-distance transmission process is solved, and transmission signals of the shielded twisted pairs 3, 4, 5, 6 and 7 are not interfered with each other.
The above description is only for the preferred embodiment of the present invention, and the above preferred embodiment is not intended to limit the scope of the present invention; all changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (10)
1. A computer plug type audio/video terminal line is characterized in that: the device comprises at least one pair of power lines, at least two shielded twisted pairs, an interlayer and an outer sheath;
the power line pairs are twisted in pairs;
the shielded twisted-pair line is arranged in parallel with the power line twisted in pair with each other;
the interlayer is separately arranged between the shielded twisted-pair lines and the power lines twisted in pairs, and is separately arranged between two adjacent shielded twisted-pair lines;
the outer sheath is coated on the outer surfaces of the shielding twisted pair and the power line pair which are arranged in parallel, and the inner surface of the outer sheath is connected with the axial edge of the interlayer.
2. The computer plug-type audio/video terminal cable according to claim 1, wherein: the power lines are in two pairs, each pair of power lines are twisted in pairs, and the two pairs of power lines which are twisted in pairs;
the number of the shielding twisted-pair wires is five.
3. The computer plug-type audio/video terminal cable according to claim 1, wherein: the shielding twisted pair comprises a twisted pair unit, a diversion line and a twisted pair shielding layer;
the twisted pair unit comprises two twisted pairs, and the two twisted pairs are twisted with each other;
the diversion lines are arranged in parallel with the twisted-pair units;
the twisted pair shielding layer is coated on the outer surfaces of the guide lines and the twisted pair units which are arranged in parallel.
4. A computer plug-type audio/video terminal cable according to claim 3, wherein: the pair-twisting pitch of the two twisted wires of the twisted pair unit is between 8.00mm and 16.00 mm.
5. The computer plug-type audio/video terminal cable according to claim 4, wherein: the pair pitch of the two twisted wires of the twisted pair unit is 9.71 mm.
6. A computer plug-type audio/video terminal cable according to claim 3, wherein: the stranded wire comprises an inner conductor and a dielectric layer;
the dielectric layer is coated on the outer surface of the inner conductor.
7. A computer plug-type audio/video terminal cable according to claim 3, wherein: the flow guide line comprises an inner conductor and a dielectric layer;
the dielectric layer is coated on the outer surface of the inner conductor.
8. A computer plug-type audio/video terminal cable according to claim 3, wherein: the twisted-pair shielding layer is an aluminum-plastic composite tape shielding layer.
9. The computer plug-type audio/video terminal cable according to claim 1, wherein: the power line comprises a conductive wire and an insulating outer sleeve;
the insulating outer sleeve is coated on the outer surface of the conducting wire.
10. The computer plug-type audio/video terminal cable according to claim 1, wherein: the interlayer is Y-shaped, X-shaped or star-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021239055.5U CN212303187U (en) | 2020-06-30 | 2020-06-30 | Computer plug type audio and video terminal wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021239055.5U CN212303187U (en) | 2020-06-30 | 2020-06-30 | Computer plug type audio and video terminal wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212303187U true CN212303187U (en) | 2021-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021239055.5U Active CN212303187U (en) | 2020-06-30 | 2020-06-30 | Computer plug type audio and video terminal wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212303187U (en) |
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- 2020-06-30 CN CN202021239055.5U patent/CN212303187U/en active Active
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