CN113421708A - High-grade sound box unvoiced transmission cable - Google Patents
High-grade sound box unvoiced transmission cable Download PDFInfo
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- CN113421708A CN113421708A CN202110675643.6A CN202110675643A CN113421708A CN 113421708 A CN113421708 A CN 113421708A CN 202110675643 A CN202110675643 A CN 202110675643A CN 113421708 A CN113421708 A CN 113421708A
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- audio
- line
- sleeve
- audio transmission
- transmission
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/40—Insulated conductors or cables characterised by their form with arrangements for facilitating mounting or securing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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- Electromagnetism (AREA)
- Insulated Conductors (AREA)
Abstract
The invention relates to an advanced sound box unvoiced sound transmission cable, which comprises an outer protective sleeve, a shielding sleeve and two audio lines, wherein the shielding sleeve is arranged in the outer protective sleeve in a penetrating mode, the two audio lines are arranged in the shielding sleeve in a penetrating mode, the audio lines comprise an insulating outer sleeve, an echo monitoring line, a first audio penetrating line, a second audio transmission line and a third audio transmission line, the echo monitoring line, the first audio penetrating line, the second audio transmission line and the third audio transmission line are positioned in the insulating outer sleeve, and fillers are filled between the shielding sleeve and the audio lines; the first audio transmission line, the second audio transmission line and the third audio transmission line respectively comprise a first audio transmission line part insulating sleeve and a first audio transmission copper line; the cross-sectional areas of the first audio transmission copper wire, the second audio transmission copper wire and the third audio transmission copper wire are 0.4 square millimeter, 0.5 square millimeter and 0.63 square millimeter, respectively. The invention has the advantages of small electromagnetic pollution and capability of carrying out differential transmission on different frequency bands, and solves the problems of large electromagnetic pollution of the existing audio cable and poor transmission quality in the process of transmitting the audio of different frequency bands through a unified conducting wire.
Description
Technical Field
The invention relates to a cable, in particular to an advanced sound box unvoiced sound transmission cable.
Background
The sound signal line is known as the nervous sound signal line of the sound system, and years of research, exploration and subjective and objective tests of people show that the sound signal line has important status and function in a higher-level sound system. The sound wire has the function of transmitting the output signal of a certain sound equipment to another sound equipment conveniently without loss, distortion and external interference. Therefore, technical requirements for high-fidelity signal transmission of the sound cable are required. The general acoustic signal line comprises a positive lead and a negative lead which form a signal transmission loop, wherein the positive lead and the negative lead are both formed by a core line structure, the core line structure comprises an insulating layer and a plurality of copper wires wrapped in the insulating layer, and the plurality of copper wires are connected in a twisted manner to form a conductor for transmitting acoustic signals. On one hand, sound signals are transmitted through a conductor, and the conductor has resistance at normal temperature, so that part of signal energy can be consumed; on the other hand, when the sound signal wire is electrified or transmits signals, a magnetic field exists around the copper wire, when the current changes, the magnetic field also changes along with the change, and the changed magnetic field acts on the copper wire to generate inductance; therefore, serious problems such as signal distortion and even loss can occur, and the effect of signal transmission and the experience degree of a user are greatly reduced. For this purpose, an audio cable as disclosed in chinese patent application No. CN201811625359.2 entitled "an audio cable and a method for manufacturing the same" was designed. The audio cable has the following defects: the positive and negative audio frequency wires are twisted together, the cable in the same audio frequency wire is also formed by hinging a plurality of strands of conducting wires together in the same way as the conventional method for manufacturing the conducting core wire of the audio frequency wire, and the conductor forms a spiral when being hinged, so that a magnetic field can be generated when the cable is used to cause electromagnetic radiation pollution to the environment; in addition, the cable in the patent document, like the conventional cable, transmits high, medium and low frequency audio signals through wires with the same parameters, thereby affecting the transmission quality.
Disclosure of Invention
The invention aims to provide an advanced sound box unvoiced transmission cable which is small in electromagnetic pollution and capable of carrying out transmission in different frequency bands in a distinguishing mode, and solves the problems that an existing audio cable is large in electromagnetic pollution and poor in transmission quality when audio in different frequency bands is transmitted through a unified conducting wire.
The technical problem is solved by the following technical scheme: an advanced sound box unvoiced sound transmission cable comprises an outer protective sleeve, a shielding sleeve and two audio lines, wherein the shielding sleeve is arranged in the outer protective sleeve in a penetrating mode, the two audio lines are arranged in the shielding sleeve in a penetrating mode, each audio line comprises an insulating outer sleeve, an echo monitoring line, a first audio penetrating line, a second audio transmission line and a third audio transmission line, the echo monitoring line, the first audio penetrating line, the second audio transmission line and the third audio transmission line are located in the insulating outer sleeve, and fillers are filled between the shielding sleeve and the audio lines; the first audio transmission line comprises a first audio transmission line part insulating sleeve and only one first audio transmission copper line positioned in the first audio transmission line part insulating sleeve, and the cross-sectional area of the first audio transmission copper line is 0.4 square millimeter; the second audio transmission line comprises a second audio transmission line part insulating sleeve and only one second audio transmission copper wire positioned in the second audio transmission line part insulating sleeve, and the cross-sectional area of the second audio transmission copper wire is 0.5 square millimeter; the third audio transmission line comprises a third audio transmission line part insulation sleeve and only one third audio transmission copper wire positioned in the first audio transmission line part insulation sleeve, and the cross-sectional area of the third audio transmission copper wire is 0.63 square millimeter. Set up the housing, the interference killing feature when can improving the transmission to improve transmission quality, do not carry out the coiling between the wire and between the heart yearn of wire, can reduce electromagnetic pollution. Three copper wires with specific cross sections are arranged to transmit high, medium and low frequency audio signals, so that the transmission quality is good; the core wire of the wire is single-stranded, and the surface smoothness can be improved to reduce the surface resistance. The surfaces of the first audio transmission copper wire, the second audio transmission copper wire and the third audio transmission copper wire are all mirror surface structures. The two audio lines are arranged in parallel.
Preferably, the filler is cotton threads, and the extension direction of the cotton threads is the same as that of the audio threads. The invention can be made soft and has good tensile strength.
Preferably, the protective outer sleeve is sleeved with a woven sleeve. The invention can not easily shift after being laid, thereby maintaining the upper end penetrating quality at a set effect.
Preferably, the woven cover is woven by PP yarn.
Preferably, the shielding cover comprises an inner shielding layer and an outer shielding layer, the inner shielding layer is made of aluminum foil paper, and the outer shielding layer is a braided fabric formed by weaving copper wires. The shielding effect is good.
Preferably, the echo monitoring line comprises a core line and an echo monitoring line part insulating sleeve wrapped outside the core line, the core line is formed by twisting seven echo monitoring line part copper wires together, and the cross-sectional area of each echo monitoring line part copper wire is 0.1 square millimeter. The echo monitoring has low requirement on transmission quality, and the cost can be reduced by adopting the structure, namely the conventional structure.
Preferably, the first audio transmission copper wire, the second audio transmission copper wire and the third audio transmission copper wire are all in a straight line structure and are parallel to each other. The audio transmission quality can be improved.
Preferably, the insulating outer sleeve is made of semi-rigid PVC, and the first audio transmission line part insulating sleeve, the second audio transmission line part insulating sleeve and the third audio transmission line part insulating sleeve are all made of HDPE.
Preferably, the anti-rotation planes extending along the extension direction of the audio lines are arranged on the insulating outer sleeves of the two audio lines, the anti-rotation planes of the insulating outer sleeves of the two audio lines are abutted together, a clamping strip extending along the extension direction of the audio line is arranged on the anti-rotation plane on one audio line, a clamping groove extending along the extension direction of the audio line is arranged on the anti-rotation plane on the other audio line, and the clamping strip and the clamping groove are clamped together through elastic deformation of the clamping strip and the clamping groove. The two audio lines can be reliably fixed together, and the two audio lines are prevented from winding particularly locally in the manufacturing process, so that the reliability in reducing electromagnetic radiation pollution is ensured.
Preferably, the cross section of the clamping strip is rectangular, and the opening of the cross section of the clamping groove is in a shape like a straight line. The card strip and the clamping groove can be used for identifying the anode and the cathode of the audio cable, and different colors do not need to be marked to identify separately, so that the card strip and the clamping groove have the function of one object for two purposes. In order to accord with the identification habit, the audio line provided with the clamping strip is taken as a positive line (the cross section is like the shape of the positive pole of the battery), and the audio line provided with the clamping groove is taken as a negative line (the cross section is in a straight shape, and the shape is a universal negative coincidence).
Preferably, a flexible sealing tube extending along the extending direction of the audio line is further arranged in the shielding sleeve in a penetrating manner. When the device is used, high-pressure fluid is filled into the flexible sealing tube to straighten the device, so that the audio cable is prevented from being bent, and the audio communication quality is optimized.
The invention has the following advantages: the positive and negative communication wire parts are wound, so that electromagnetic radiation pollution is small; the core wire of the wire for audio transmission is only one strand, and winding cannot be generated, so that electromagnetic radiation is small, and non-curling laying is convenient to realize so as to improve communication weight; the three audio signal transmission lines are completed by adopting different conducting wires which can optimize the transmission quality, so that the transmission quality can be improved, and the sound quality can be improved; the shielding sleeve is arranged, so that the anti-interference capability is good; the protection effect on each wire is good; the transmission speed is fast, and anti-interference is strong, and the wire rod is soft, resistant drawing.
Drawings
FIG. 1 is a schematic cross-sectional view of a first embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a second embodiment of the present invention.
In the figure: the acoustic echo monitoring device comprises a braided sleeve 1, an outer protective sleeve 2, an inner shielding layer 3, an outer shielding layer 4, a filler 5, an insulating outer sleeve 6, an echo monitoring wire 7, a first audio penetrating wire 8, a second audio transmission wire 9, a third audio transmission wire 10, a core wire 11, an echo monitoring wire insulating sleeve 12, a first audio transmission wire insulating sleeve 13, a first audio transmission copper wire 14, a rotation stopping plane 15, a clamping strip 16, a clamping groove 17, a flexible sealing tube 18, a second audio transmission wire insulating sleeve 19, a second audio transmission copper wire 20, a third audio transmission wire insulating sleeve 21 and a third audio transmission copper wire 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
First embodiment, referring to fig. 1, an advanced audio mute transmission cable includes a braided sleeve 1, an outer protective sleeve 2 located inside the braided sleeve, a shielding sleeve penetrating through the outer protective sleeve, and two audio lines penetrating through the shielding sleeve. The woven sleeve is formed by weaving PP yarns. The outer protective sleeve is made of TPE. The shielding cover includes internal shield layer 3 and external shield layer 4, and the internal shield layer forms for the preparation of aluminium foil paper, and the external shield layer weaves the braided fabric that forms for the copper wire. A filler 5 is filled between the shielding case and the audio line. The filler is cotton thread, and the extension direction of the cotton thread is the same as that of the audio line. The audio line comprises an insulating outer sleeve 6, an echo monitoring line 7, a first audio through line 8, a second audio transmission line 9 and a third audio transmission line 10. The insulating outer sleeve is made of semi-hard PVC. The echo monitoring wire comprises a core wire 11 and an echo monitoring wire part insulating sleeve 12 wrapped outside the core wire. The core wire is formed by twisting seven echo monitoring wire part copper wires together. The cross-sectional area of the copper wire of the echo monitoring wire part is 0.1 square millimeter. The echo monitoring line part insulating sleeve is made of HDPE. The first audio transmission line comprises a first audio transmission line section insulating jacket 13 and a first audio transmission copper line 14 located within the first audio transmission line section insulating jacket. The first audio transmission copper wire is only one. The surface of the first audio transmission copper wire is of a mirror surface structure, and the first audio transmission copper wire is of a linear structure. The cross-sectional area of the first audio transmission copper wire was 0.4 mm. The first audio transmission line part insulating sleeve is made of HDPE. The second audio transmission line comprises a second audio transmission line section insulating jacket 19 and a second audio transmission copper line 20 located within the second audio transmission line section insulating jacket. The second audio transmission copper wire is only one. The surface of the second audio transmission copper wire is of a mirror surface structure, and the second audio transmission copper wire is of a linear structure. The cross-sectional area of the second audio transmission copper wire was 0.5 mm. The second audio transmission line part insulating sleeve is made of HDPE. The third audio transmission line includes a third audio transmission line portion insulating jacket 21 and a third audio transmission copper wire 22 positioned within the third audio transmission line portion insulating jacket. The third audio transmission copper wire is only one. The surface of the third audio transmission copper wire is of a mirror surface structure, and the third audio transmission copper wire is of a linear structure. The cross-sectional area of the third audio transmission copper wire was 0.63 mm square. The third audio transmission line part insulation sleeve is made of HDPE. The first audio transmission copper wire, the second audio transmission copper wire and the third audio transmission copper wire are parallel to each other.
The second embodiment is different from the first embodiment in that:
referring to fig. 2, the anti-rotation planes 15 extending along the extending direction of the audio lines are arranged on the insulating outer sleeves of the two audio lines, the anti-rotation planes of the insulating outer sleeves of the two audio lines are abutted together, a clamping strip 16 extending along the extending direction of the audio line is arranged on the anti-rotation plane on one audio line, a clamping groove 17 extending along the extending direction of the audio line is arranged on the anti-rotation plane on the other audio line, and the clamping strip and the clamping groove are clamped together through elastic deformation of the clamping strip and the clamping groove. The cross section of the clamping strip is rectangular, and the opening of the cross section of the clamping groove is in a linear shape. A flexible sealing tube 18 extending along the extension direction of the audio line is further arranged in the shielding sleeve in a penetrating mode.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The high-grade sound box unvoiced sound transmission cable is characterized by comprising an outer protective sleeve, a shielding sleeve and two audio lines, wherein the shielding sleeve is arranged in the outer protective sleeve in a penetrating mode, the two audio lines are arranged in the shielding sleeve in a penetrating mode, each audio line comprises an insulating outer sleeve, an echo monitoring line, a first audio penetrating line, a second audio transmission line and a third audio transmission line, the echo monitoring line, the first audio penetrating line, the second audio transmission line and the third audio transmission line are located in the insulating outer sleeve, and fillers are filled between the shielding sleeve and the audio lines; the first audio transmission line comprises a first audio transmission line part insulating sleeve and only one first audio transmission copper line positioned in the first audio transmission line part insulating sleeve, and the cross-sectional area of the first audio transmission copper line is 0.4 square millimeter; the second audio transmission line comprises a second audio transmission line part insulating sleeve and only one second audio transmission copper wire positioned in the second audio transmission line part insulating sleeve, and the cross-sectional area of the second audio transmission copper wire is 0.5 square millimeter; the third audio transmission line comprises a third audio transmission line part insulation sleeve and only one third audio transmission copper wire positioned in the first audio transmission line part insulation sleeve, and the cross-sectional area of the third audio transmission copper wire is 0.63 square millimeter.
2. An advanced acoustic unvoiced transmission cable according to claim 1, wherein the filler is cotton, and an extending direction of the cotton is the same as an extending direction of the audio line.
3. An advanced acoustic unvoiced transmission cable according to claim 1 or 2, wherein a braided cover is sleeved on the protective outer cover.
4. The advanced acoustic unvoiced transmission cable according to claim 3, wherein the braid is woven of PP yarn.
5. The advanced audio mute transmission cable according to claim 1 or 2, wherein the shielding cover comprises an inner shielding layer and an outer shielding layer, the inner shielding layer is made of aluminum foil paper, and the outer shielding layer is a braided fabric woven by copper wires.
6. The acoustic transmission cable according to claim 1 or 2, wherein the echo monitoring line includes a core wire and an echo monitoring line portion insulating sheath wrapped around the core wire, the core wire is formed by twisting seven echo monitoring line portion copper wires together, and the cross-sectional area of the echo monitoring line portion copper wire is 0.1 square mm.
7. An ADR transmission cable according to claim 1 or 2, wherein said first, second and third audio transmission copper wires are all in a straight configuration and are parallel to each other.
8. The unvoiced sound transmission cable of the advanced sound according to claim 1 or 2, wherein rotation stop planes extending in the extending direction of the audio lines are provided on the insulating jackets of the two audio lines, the rotation stop planes of the insulating jackets of the two audio lines are abutted together, a clamping strip extending in the extending direction of the audio lines is provided on the rotation stop plane on one audio line, a clamping groove extending in the extending direction of the audio lines is provided on the rotation stop plane on the other audio line, and the clamping strip and the clamping groove are clamped together through elastic deformation of the clamping strip and the clamping groove.
9. The advanced acoustic unvoiced transmission cable according to claim 1, wherein a cross section of the card bar is rectangular, and an opening of a cross section of the card slot is in a shape of a straight line.
10. An advanced acoustic unvoiced transmission cable according to claim 1 or 2, wherein a flexible sealing tube extending in a direction in which the audio line extends is further inserted into the shield sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110675643.6A CN113421708B (en) | 2021-06-18 | 2021-06-18 | High-grade sound transmission cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110675643.6A CN113421708B (en) | 2021-06-18 | 2021-06-18 | High-grade sound transmission cable |
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| Publication Number | Publication Date |
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| CN113421708A true CN113421708A (en) | 2021-09-21 |
| CN113421708B CN113421708B (en) | 2023-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110675643.6A Active CN113421708B (en) | 2021-06-18 | 2021-06-18 | High-grade sound transmission cable |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2650300Y (en) * | 2003-10-17 | 2004-10-20 | 永琨有限公司 | Audio-video signal wire |
| CN1776828A (en) * | 2005-12-04 | 2006-05-24 | 中利科技集团有限公司 | Comprehensive control shielding cable for railway locomotive |
| JP3152130U (en) * | 2009-04-03 | 2009-07-23 | 展勝電業股▲ふん▼有限公司 | High frequency audio video digital cable |
| US20150200040A1 (en) * | 2014-01-10 | 2015-07-16 | Yfc-Boneagle Electric Co., Ltd. | Composite cable |
| CN206921504U (en) * | 2017-04-10 | 2018-01-23 | 温州网牌电线电缆有限公司 | Tone frequency channel wire |
| CN215342128U (en) * | 2021-06-18 | 2021-12-28 | 浙江跨越电缆有限公司 | High-grade sound box unvoiced transmission cable |
-
2021
- 2021-06-18 CN CN202110675643.6A patent/CN113421708B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2650300Y (en) * | 2003-10-17 | 2004-10-20 | 永琨有限公司 | Audio-video signal wire |
| CN1776828A (en) * | 2005-12-04 | 2006-05-24 | 中利科技集团有限公司 | Comprehensive control shielding cable for railway locomotive |
| JP3152130U (en) * | 2009-04-03 | 2009-07-23 | 展勝電業股▲ふん▼有限公司 | High frequency audio video digital cable |
| US20150200040A1 (en) * | 2014-01-10 | 2015-07-16 | Yfc-Boneagle Electric Co., Ltd. | Composite cable |
| CN206921504U (en) * | 2017-04-10 | 2018-01-23 | 温州网牌电线电缆有限公司 | Tone frequency channel wire |
| CN215342128U (en) * | 2021-06-18 | 2021-12-28 | 浙江跨越电缆有限公司 | High-grade sound box unvoiced transmission cable |
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| Publication number | Publication date |
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| CN113421708B (en) | 2023-04-21 |
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