CN109360683A - A kind of digital communication high-speed transmission line - Google Patents

A kind of digital communication high-speed transmission line Download PDF

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Publication number
CN109360683A
CN109360683A CN201811423069.XA CN201811423069A CN109360683A CN 109360683 A CN109360683 A CN 109360683A CN 201811423069 A CN201811423069 A CN 201811423069A CN 109360683 A CN109360683 A CN 109360683A
Authority
CN
China
Prior art keywords
digital communication
transmission line
speed transmission
drain wire
communication high
Prior art date
Application number
CN201811423069.XA
Other languages
Chinese (zh)
Inventor
沈小平
刘玉琴
石东星
Original Assignee
通鼎互联信息股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 通鼎互联信息股份有限公司 filed Critical 通鼎互联信息股份有限公司
Priority to CN201811423069.XA priority Critical patent/CN109360683A/en
Publication of CN109360683A publication Critical patent/CN109360683A/en

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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00Communication cables or conductors
    • H01B11/02Cables with twisted pairs or quads
    • H01B11/06Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screen
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/04Flexible cables, conductors, or cords, e.g. trailing cables
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/08Flat or ribbon cables
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29Protection against damage caused by extremes of temperature or by flame
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29Protection against damage caused by extremes of temperature or by flame
    • H01B7/295Protection against damage caused by extremes of temperature or by flame using material resistant to flame

Abstract

This application involves a kind of digital communication high-speed transmission lines, comprising: line pair shares two groups, two groups of lines for arranged side by side on same plane, every group include two transmission lines and wrapped two transmission lines aluminium foil;Drain wire shares 4 with line to same plane is arranged in;Sheath, cladding online to and drain wire it is outer;Two transmission lines of every group of line pair are parallel to each other, and pass through rapid-curing cutback thermosol bonding connection between two transmission lines;The inner surface of aluminium foil lays plastic film;A piece drain wire of two sides arrangement for every group of line pair, drain wire are attached to the outer surface of aluminium foil.The beneficial effects of the present invention are: transmission line is not twisted, it is placed in parallel, reduces propagation delay, it is horizontal improves such as characteristic impedance electrical specifications;Cable improves the flexibility and bendability of cable at flat wire;Parallel lines 1 drain wire each to left and right ensures the continuity of shielding, reduces ground resistance, improves cable shield performance.

Description

A kind of digital communication high-speed transmission line

Technical field

The application belongs to digital communication technology field, more particularly, to a kind of digital communication high-speed transmission line.

Background technique

With the development of society, the communication technology stepped into information, digital times, network communication science and technology is with unprecedented Speed develop to deeper, wider field, this requires cable for digital communication to have higher transmission speed, broader biography Defeated bandwidth, to realize quick, the accurate transmission of information.

The superiority and inferiority of the performance indicators such as the high-frequency of cable for digital communication, high-speed performance and its impedance, shielding, electromagnetic compatibility Tight association.For the high-speed transfer performance of cable for digital communication, mainly by the arrangement of transmission line, the electromagnetic screen of transmission line Shield structure influences.Transmission line is usually twisted by the pitch of 60mm or so, can be produced to guarantee cable core intensity by traditional communication cable Raw biggish delay.

Summary of the invention

The technical problem to be solved by the present invention is for solve the transmission delay of cable for digital communication in the prior art it is big and The bad problem of shielding properties, to provide a kind of digital communication high-speed transmission line.

The technical solution adopted by the present invention to solve the technical problems is: a kind of digital communication high-speed transmission line, comprising:

Line pair shares two groups, line described in two groups for arranged side by side on same plane, every group include two transmission lines and around Wrap the aluminium foil of two transmission lines;

Drain wire shares 4 with the line to same plane is arranged in;

Sheath is coated on the line to outer with the drain wire;

Flame retardant coating is set in outside the sheath, and the flame retardant coating includes asbestos cloth and fireproof coating, and the fireproof coating applies It is put on asbestos cloth, and is filled in asbestos cloth hollow out position;

Two transmission lines of line pair described in every group are parallel to each other, and are connected between two transmission lines by rapid-curing cutback thermosol gluing knot It connects;The inner surface of the aluminium foil lays plastic film;A piece drain wire of two sides arrangement for every group of line pair, the drain wire is attached to described The outer surface of aluminium foil.

Preferably, digital communication high-speed transmission line of the invention, the transmission line include: conductor and are coated on described lead External insulating layer.

Preferably, digital communication high-speed transmission line of the invention, the insulating layer are bubble skin polyethylene insulation or fluorine modeling Material, internal layer are physical blowing, and foam degrees 55%-60%, crust is high density polyethylene (HDPE) insulation, and the insulating layer average thickness exists 0.42mm or more.

Preferably, digital communication high-speed transmission line of the invention, the conductor are that tinned copper conductor and/or copper clad aluminum are led Body and/or copper conductor, the conductor diameter are 0.51mm.

Preferably, digital communication high-speed transmission line of the invention, the plastic film of the aluminium foil surfaces externally and internally with a thickness of 0.02mm, the wrapped Duplication of aluminium foil is 25% or more.

Preferably, digital communication high-speed transmission line of the invention, the sheath are low smoke halogen-free flame-retardant polyolefin, fire-retardant PVC material.

Preferably, digital communication high-speed transmission line of the invention, the diameter of the drain wire are 0.40mm.

Preferably, digital communication high-speed transmission line of the invention, the asbestos cloth are mixed by asbestos twisted rope and braided asbestos square packing It compiles and is formed, wherein the quality of the asbestos twisted rope accounts for 30-40%, the quality of the braided asbestos square packing accounts for 60-70%.

Preferably, digital communication high-speed transmission line of the invention, the ratio between the thickness of the flame retardant coating and the sheath are as follows: 1:0.2-0.25.

Preferably, digital communication high-speed transmission line of the invention, fireproof coating are added anti-by tertiary acrylic emulsion water-based material Fiery fire retardant, plasticizer composition.

The beneficial effects of the present invention are: transmission line is not twisted, it is placed in parallel, reduces propagation delay, improves characteristic such as and hinder Anti- equal electrical specifications are horizontal;Cable improves the flexibility and bendability of cable at flat wire;Parallel lines 1 drain wire each to left and right It ensures the continuity of shielding, reduces ground resistance, improve cable shield performance.

Detailed description of the invention

The technical solution of the application is further illustrated with reference to the accompanying drawings and examples.

Fig. 1 is the digital communication high-speed transmission line cross section structure schematic diagram of the embodiment of the present application;

Appended drawing reference in figure are as follows: line is to 1;Transmission line 11;Conductor 111;112 aluminium foil 12 of insulating layer;Thermosol 13;Drainage Line 2;Sheath 3;Flame retardant coating 4.

Specific embodiment

It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.

In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the application and simplifies description, rather than instruction or dark Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair The limitation of the application protection scope.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result, Feature can explicitly or implicitly include one or more of the features.In the description of the invention, unless separately It is described, the meaning of " plurality " is two or more.

In the description of the present application, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition Concrete meaning in this application.

It is described in detail the technical solution of the application below with reference to the accompanying drawings and in conjunction with the embodiments.Embodiment

The present embodiment provides a kind of digital communication high-speed transmission lines, as shown in Figure 1, comprising:

Line shares two groups to 1, and for line described in two groups to 1 in arranged side by side on same plane, every group includes two transmission lines 11 With the aluminium foil 12 of wrapped two transmission lines 11;

Drain wire 2 is arranged in same plane to 1 with the line, shares 4;

Sheath 3, be coated on the line to 1 and the drain wire 2 it is outer;

Flame retardant coating 4 is set in outside the sheath 3, and the flame retardant coating 4 includes asbestos cloth and fireproof coating, and the fire prevention applies Material is applied on asbestos cloth, and is filled in asbestos cloth hollow out position;

Line described in every group is parallel to each other to 1 two transmission lines 11, passes through rapid-curing cutback thermosol 13 between two transmission lines 11 Bonding connection;The inner surface of the aluminium foil 12 lays plastic film;Every group of line to 1 two sides arrange a drain wire 2, the drain wire 2 are attached to the outer surface of the aluminium foil 12.

The digital communication high-speed transmission line of the present embodiment, line are 2 parallel lines pair to 1, and each line is not twisted to 1, are put down Row is placed, and to reduce propagation delay, each external aluminium foil shielding of parallel lines avoids parallel lines to improve electromagnetic compatibility level Electromagnetic effect and outside electromagnetic interference between pair.2 lines are placed in parallel to 1, are reduced cable height and are formed flat wire, improve the soft of cable Soft and bendability.A line and B line apply hot melt adhesive, are to increase parallel lines to the stability of structure, it is electrical to improve such as characteristic impedance Index level;

4 mechanical strength of asbestos sleeve is strong, and heat resistance is good, simultaneously because having smeared fireproof coating, compensates for asbestos cord volume Knit the disadvantage of gap location heat resistance difference;

Drain wire 2 is in contact with aluminium foil 12, and aluminium foil 12 is single side, and metal faces outwardly, parallel lines 1 drain wire each to left and right 2 are to ensure that the continuity of shielding, reduce ground resistance, improve cable shield performance.

Preferably, the digital communication high-speed transmission line of the present embodiment, the transmission line 11 include: conductor 111 and cladding Insulating layer 112 outside the conductor 111.

Preferably, the digital communication high-speed transmission line of the present embodiment, the insulating layer 112 be bubble skin polyethylene insulation or Fluoroplastics, internal layer are physical blowing, and foam degrees 55%-60%, crust is high density polyethylene (HDPE) insulation, and the insulating layer 112 is flat Equal thickness is in 0.42mm or more.

Preferably, the digital communication high-speed transmission line of the present embodiment, the conductor 111 are tinned copper conductor and/or copper Alclad conductor and/or copper conductor, 111 diameter of conductor are 0.51mm.

Preferably, the digital communication high-speed transmission line of the present embodiment, the plastic film of 12 surfaces externally and internally of aluminium foil with a thickness of 0.02mm, the wrapped Duplication of the aluminium foil 12 is 25% or more.

Preferably, the digital communication high-speed transmission line of the present embodiment, the sheath 3 be low smoke halogen-free flame-retardant polyolefin, Flame-proof PVC material.

Preferably, the digital communication high-speed transmission line of the present embodiment, the diameter of the drain wire 2 are 0.40mm.

Preferably, the digital communication high-speed transmission line of the present embodiment, the asbestos cloth is by asbestos twisted rope and braided asbestos square packing Shuffling is formed, wherein the quality of the asbestos twisted rope accounts for 30-40%, the quality of the braided asbestos square packing accounts for 60-70%.Braided asbestos square packing It is suitble to adsorb fireproof coating, asbestos twisted rope, which plays, tightly fills in closed effect, and two kinds of asbestos cord mutual cooperations had both played absorption Fireproof coating improves fire protecting performance, and there is certain softness to be suitble to wind cable core again.

Preferably, the digital communication high-speed transmission line of the present embodiment, the thickness of the flame retardant coating 4 and the sheath 3 it Than are as follows: 1:0.2-0.25.It can obtain comprehensive performance, i.e., fire resistance, bending property, tension/lateral pressure resistant and corrosion-resistant take Obtain comprehensive effect.

Preferably, the digital communication high-speed transmission line of the present embodiment, fireproof coating are added by tertiary acrylic emulsion water-based material Fire-proof flame-retarded agent, plasticizer composition.

It is enlightenment with the above-mentioned desirable embodiment according to the application, through the above description, relevant staff is complete Full various changes and amendments can be carried out in the range of without departing from this item application technical idea.The technology of this item application Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.

Claims (9)

1. a kind of digital communication high-speed transmission line characterized by comprising
Line shares two groups to (1), and for line described in two groups to (1) in arranged side by side on same plane, every group includes two transmission lines (11) and the aluminium foil (12) of wrapped two transmission lines (11);
Drain wire (2) is arranged in same plane to (1) with the line, shares 4;
Sheath (3) is coated on the line to the outer of (1) and the drain wire (2);
Flame retardant coating (4) is set in the sheath (3) outside, and the flame retardant coating (4) includes asbestos cloth and fireproof coating, the fire prevention Coating material is filled in asbestos cloth hollow out position on asbestos cloth, and fireproof coating is added by tertiary acrylic emulsion water-based material and prevented fires Fire retardant, plasticizer composition;
Line described in every group is parallel to each other to two transmission lines (11) of (1), passes through rapid-curing cutback thermosol between two transmission lines (11) (13) bonding connection;The inner surface of the aluminium foil (12) lays plastic film;Every group of line arranges a drain wire (2) to the two sides of (1), The drain wire (2) is attached to the outer surface of the aluminium foil (12).
2. digital communication high-speed transmission line according to claim 1, which is characterized in that the transmission line (11) includes: Conductor (111) and it is coated on the insulating layer (112) of the conductor (111) outside.
3. digital communication high-speed transmission line according to claim 2, which is characterized in that the insulating layer (112) is bubble Skin polyethylene insulation or fluoroplastics, internal layer are physical blowing, and foam degrees 55%-60%, crust is high density polyethylene (HDPE) insulation, institute Insulating layer (112) average thickness is stated in 0.42mm or more.
4. digital communication high-speed transmission line according to claim 2, which is characterized in that the conductor (111) is tin plating Copper conductor and/or copper clad aluminum conductor and/or copper conductor, conductor (111) diameter are 0.51mm.
5. digital communication high-speed transmission line according to claim 1-4, which is characterized in that the aluminium foil (12) The plastic film of surfaces externally and internally is with a thickness of 0.02mm, and the wrapped Duplication of the aluminium foil (12) is 25% or more.
6. digital communication high-speed transmission line according to claim 1-4, which is characterized in that the sheath (3) For low smoke halogen-free flame-retardant polyolefin, flame-proof PVC material.
7. digital communication high-speed transmission line according to claim 1-4, which is characterized in that the drain wire (2) diameter is 0.40mm.
8. digital communication high-speed transmission line according to claim 1-4, which is characterized in that the asbestos cloth by Asbestos twisted rope is formed with braided asbestos square packing shuffling, wherein the quality of the asbestos twisted rope accounts for 30-40%, the quality of the braided asbestos square packing Account for 60-70%.
9. digital communication high-speed transmission line according to claim 8, which is characterized in that the flame retardant coating (4) with it is described The ratio between the thickness of sheath (3) are as follows: 1:0.2-0.25.
CN201811423069.XA 2018-11-27 2018-11-27 A kind of digital communication high-speed transmission line CN109360683A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811423069.XA CN109360683A (en) 2018-11-27 2018-11-27 A kind of digital communication high-speed transmission line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811423069.XA CN109360683A (en) 2018-11-27 2018-11-27 A kind of digital communication high-speed transmission line

Publications (1)

Publication Number Publication Date
CN109360683A true CN109360683A (en) 2019-02-19

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ID=65343020

Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1414572A (en) * 2002-07-18 2003-04-30 东莞蔻玛电子有限公司 High frequency transmission yarn structure
EP2034491A2 (en) * 2007-09-05 2009-03-11 HEW-KABEL /CDT GmbH & Co. KG Extremely flexible shielded electric data conductor
CN101702334A (en) * 2009-09-22 2010-05-05 龚永祥 Fan-shaped cable
CN201570309U (en) * 2009-11-17 2010-09-01 威海市泓淋电线电缆有限公司 Data transmission cable
CN103903803A (en) * 2014-03-04 2014-07-02 江苏珠影特种电缆有限公司 Three-core medium-pressure waterproof and fire-resistant cable

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1414572A (en) * 2002-07-18 2003-04-30 东莞蔻玛电子有限公司 High frequency transmission yarn structure
EP2034491A2 (en) * 2007-09-05 2009-03-11 HEW-KABEL /CDT GmbH & Co. KG Extremely flexible shielded electric data conductor
CN101702334A (en) * 2009-09-22 2010-05-05 龚永祥 Fan-shaped cable
CN201570309U (en) * 2009-11-17 2010-09-01 威海市泓淋电线电缆有限公司 Data transmission cable
CN103903803A (en) * 2014-03-04 2014-07-02 江苏珠影特种电缆有限公司 Three-core medium-pressure waterproof and fire-resistant cable

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