CN113205920A - Star-shaped eight-type net wire and manufacturing method thereof - Google Patents
Star-shaped eight-type net wire and manufacturing method thereof Download PDFInfo
- Publication number
- CN113205920A CN113205920A CN202110431786.2A CN202110431786A CN113205920A CN 113205920 A CN113205920 A CN 113205920A CN 202110431786 A CN202110431786 A CN 202110431786A CN 113205920 A CN113205920 A CN 113205920A
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- star
- sheath
- twisted pairs
- hole
- quincunx
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/0036—Details
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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
- H01B11/08—Screens specially adapted for reducing cross-talk
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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
- H01B11/10—Screens specially adapted for reducing interference from external sources
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/02—Stranding-up
- H01B13/0207—Details; Auxiliary devices
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
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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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- 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
Abstract
The invention discloses a star eight-type network cable and a manufacturing method thereof, which solve the problems of poor transmission performance and low production efficiency of the network cable in the prior art, and the manufacturing method of the star eight-type network cable comprises the steps of; s1, selecting a mold; s2, stranding the lead; s3, extruding an insulator; s4, twisting the cable core; s5, extruding the sheath; the die is characterized in that a quincunx five-hole inner die and a quincunx five-hole outer die are selected as the dies, four groups of twisted pairs penetrate into the quincunx five-hole inner die in step S5, the die with the four groups of twisted pairs is placed into an extruder head, a sheath is extruded and is coated on the twisted pairs to form star eight types of network cables, in the production process, the four groups of twisted pairs penetrate into outer ring holes of the quincunx five-hole inner die respectively, cabling and twisting are not needed, the process steps are saved, the processing and production are convenient, internal interference among each group of twisted pairs is eliminated, internal callback loss is reduced, and the transmission performance of each group of twisted pairs is improved.
Description
Technical Field
The invention relates to the technical field of eight types of net cables, in particular to a star-shaped eight types of net cables and a manufacturing method thereof.
Background
The international electrical industry association defines five different quality classes for network data line cables, and common in computer networks are third and fifth and ultra-fifth and currently six classes of unshielded twisted pair cables, where the fifth and sixth classes of twisted pairs utilize increased winding density, high quality insulation, which greatly improves the properties of the transmission medium. The parameters are greatly improved, and the bandwidth is also expanded to 250MHz or higher.
The quality of the network data line cable is one of the key factors determining the bandwidth of the local area network, the super-five twisted pairs also adopt 4 winding pairs and 1 tensile line, in order to reduce the interference of signals, each pair in the twisted pair cable is formed by mutually twisting two insulated copper wires, and different pairs in the same cable have different twisting degrees, however, the conventional super-five network line structure easily causes the problems of mutual serial winding of internal and external interference signals and insufficient attenuation margin when in use, and in the use process, the super-five unshielded network data lines are constructed in a coil form, and the tensile strength and the deformation resistance of the line core have important influence on the practical value.
Disclosure of Invention
The invention has been made in view of the above problems, and an object of the invention is to provide a star eight-type network cable and a manufacturing method thereof, which can enhance data transmission performance, improve data transmission stability, save cabling procedures, and reduce production and processing difficulty and production cost.
In order to achieve the above object, the present invention provides a method for manufacturing star-shaped eight-type net wires, comprising the following steps:
s1, selecting a mold: selecting a quincunx five-hole inner die and a quincunx five-hole outer die;
s2, stranding the lead;
s3, extruding an insulator: extruding and molding the insulator and coating the insulator on a plurality of leads to form a cable core;
s4, cable core pair twisting: selecting eight cable cores, and twisting the cable cores pairwise to form four groups of twisted lines;
s5, sheath extrusion: penetrating the four groups of twisted wires into a quincunx five-hole inner die, placing the die with the four groups of twisted wires into an extruder, extruding a sheath, and coating the sheath on the twisted wires to form a star eight-type net wire;
the quincunx five-hole internal mold is provided with an inner ring hole and four outer ring holes which are arranged outside the inner ring hole in a matrix manner, and four groups of twisted pairs penetrate into one outer ring hole respectively.
According to the manufacturing method of the star-shaped eight types of net wires, in the step S2, the method includes the steps of:
s21: selecting a conductor, and drawing the conductor to form a guide wire;
s22: and twisting the guide wires to reach the size of a preset diameter.
According to the manufacturing method of the star-shaped eight-type mesh wire, in the step S21, the conductor is copper or aluminum.
According to the manufacturing method of the star-shaped eight types of mesh wires, in the step S4, the outer sides of the four groups of twisted pairs are all covered with the shielding material.
According to the manufacturing method of the star-shaped eight-type mesh wire, in the step S5, after the sheath is extruded, the four groups of twisted pairs are pulled, and the sheath is wrapped on the twisted pairs.
According to the manufacturing method of the star-shaped eight-type mesh wire, the four outer ring holes are circumferentially and uniformly distributed on the outer side of the inner ring hole.
The star-shaped eight-type net wire is characterized by being manufactured by the manufacturing method of the star-shaped eight-type net wire, and the star-shaped eight-type net wire comprises the following components:
a sheath;
the four groups of twisted pairs are arranged in the sheath in a matrix manner, and a drainage hole is formed in the center of the matrix arrangement of the twisted pairs.
According to the star-shaped eight-type network cable, a shielding layer is arranged between the sheath and the twisted pair wires.
According to the star-shaped eight-type mesh wire, four groups of twisted pairs are uniformly arranged in the sheath along the circumferential direction of the drainage hole.
According to the star-shaped eight-type net cable, a tearing rope is arranged between the sheath and the twisted pair wire.
The invention has the following beneficial effects:
1. in the production process, the four groups of twisted pairs need to respectively penetrate into the outer ring holes of the quincunx five-hole inner mold, no cabling and twisting are needed, the process steps are saved, and the processing and production are convenient.
2. After the four groups of twisted pairs are extruded by the sheath, independent isolation can be formed, loosening of stirring distance of each group of twisted pairs can be eliminated, internal interference between each group of twisted pairs is eliminated, internal callback loss is reduced, and transmission performance of each group of twisted pairs is improved.
3. Four groups of twisted pairs are uniformly arranged in the sheath in the circumferential direction, so that the same distance between every two adjacent groups of twisted pairs is ensured, and crosstalk interference can be eliminated.
4. And a shielding layer is arranged between the sheath and the twisted pair, so that the magnetic field shielding device is suitable for a section with a stronger magnetic field, and the applicability of the product is ensured.
5. A tearing rope is arranged between the sheath and the twisted pair wires, so that the integral tensile strength of the net wire can be enhanced.
Drawings
FIG. 1 is a general flow diagram of a method of manufacture of the present invention;
FIG. 2 is a detailed flow chart of the manufacturing method of the present invention;
FIG. 3 is a schematic cross-sectional structure of a star-shaped eight-type mesh wire of the present invention;
in the figure: 100. a sheath; 110. a drainage aperture; 200. pairing the stranded wires; 300. a shielding layer; 400. and (6) tearing the rope.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 3, a manufacturing method of a star-shaped eight-type net wire comprises the following steps:
s1, selecting a mold: selecting a quincunx five-hole inner die and a quincunx five-hole outer die, sleeving the quincunx five-hole outer die on the outer side of the quincunx five-hole inner die, and forming a die by the outer die and the inner die.
S2, stranding of wires: and stranding a plurality of wires to fit the diameter.
S3, extruding an insulator: and extruding and molding the insulator and coating the insulator on the plurality of leads to form the cable core.
S4, cable core pair twisting: eight cable cores are selected, and the cable cores are twisted pairwise to form four groups of twisted pairs 200. Wherein the colour of eight cable cores is different to distinguish, its colour of distinguishing does: white blue/blue, white orange/orange, white green/green, white zongzi/brown.
S5, sheath extrusion: and (3) penetrating the four groups of twisted pairs 200 into a quincunx five-hole die, placing the die with the four groups of twisted pairs 200 into a head of an extruder, extruding the sheath 100, and coating the sheath 100 on the twisted pairs 200 to form the star eight-type network cable.
The quincunx five-hole internal mold is provided with an inner ring hole and four outer ring holes which are arranged outside the inner ring hole in a matrix manner, four groups of twisted pairs penetrate into one outer ring hole respectively, the sheath 100 is extruded between the external mold and the internal mold, and then the twisted pairs 200 are pulled out, so that the sheath 100 is coated on the twisted pairs 200.
Because the four groups of twisted pairs 200 need to respectively penetrate into the four outer ring holes of the quincunx five-hole internal mold, the twisted pairs 200 do not need to be cabled and twisted, the cabling procedure can be omitted, and the production is more convenient.
In step S2, the method includes the steps of:
s21: a conductor is selected and drawn to form a guide wire, which is typically copper or aluminum, although other conductive metals may be selected.
S22: and twisting the guide wires to reach the size of a preset diameter.
In step S4, the four sets of twisted pairs 200 are coated with a shielding material, and for the requirements of some special areas, such as areas with strong magnetic field, the magnetic field force is strong and affects the twisted pairs, and for this situation, the shielding material can be coated on the outer side of the twisted pairs 200 to shield the magnetic field force, thereby ensuring the transmission efficiency of the network cable.
The four outer ring holes are circumferentially and uniformly distributed on the outer sides of the inner ring holes, so that the distance between two adjacent outer ring holes is kept unchanged, the distances among the four groups of twisted pairs 200 can be ensured to be equal, and crosstalk interference in product performance requirements is eliminated.
The star eight-type net wire is manufactured by the manufacturing method of the star eight-type net wire, and comprises the following components:
the sheath 100, the sheath 100 mainly serves as a protection against damage or corrosion of the twisted pair wire 200 disposed therein.
The twisted pairs 200 and the four groups of twisted pairs 200 are arranged in the sheath 100 in a matrix manner, the drainage hole 110 is formed in the center of the matrix arrangement of the twisted pairs 200, the drainage hole 110 is formed at one time when the sheath 100 is extruded, and meanwhile, sheath materials are filled among the four groups of twisted pairs 200 to replace a plastic cross skeleton, so that the processing is simpler and more convenient, the four groups of twisted pairs 200 are independently isolated, the loosening of the twisting distance of each group of twisted pairs 200 is eliminated, and the transmission performance of the twisted pairs 200 is improved.
A shielding layer 300 is arranged between the sheath 100 and the twisted pair wire 200, and the shielding layer 300 is used for shielding interference of magnetic field force and the like, so that the normal transmission performance of the network cable is ensured.
The four groups of twisted pairs 200 are uniformly arranged in the sheath 100 along the circumferential direction of the drainage hole, so that the distances between the twisted pairs 200 are equal, and the crosstalk interference in the product is eliminated.
A tearing rope 400 is arranged between the sheath 100 and the twisted pair wire 200, and the tearing rope 400 can be used for tearing the sheath 100 to facilitate installation of the network cable.
The invention provides a star-shaped eight-type net wire and a manufacturing method thereof, comprising the following steps: s1, selecting a mold: selecting a quincunx five-hole inner die and a quincunx five-hole outer die, wherein the quincunx five-hole outer die is sleeved outside the quincunx five-hole inner die; s2, stranding the lead; s3, extruding an insulator: extruding and molding the insulator and coating the insulator on a plurality of leads to form a cable core; s4, cable core pair twisting: selecting eight cable cores, and twisting the cable cores pairwise to form four groups of twisted lines;
s5, sheath extrusion: penetrating the four groups of twisted pairs into a quincunx five-hole die, placing the die with the four groups of twisted pairs into a head of an extruder, extruding a sheath, and coating the sheath on the twisted pairs to form a star eight-type net wire; the quincunx five-hole internal mold is provided with an inner ring hole and four outer ring holes which are arranged outside the inner ring hole in a matrix manner, and four groups of twisted pairs penetrate into one outer ring hole respectively; and then omit the stranding process, convenient production, and got rid of the internal interference between every group twisted pair line, reduced inside return loss, promoted the transmission performance of every group twisted pair line.
The technical solutions of the present invention are explained in detail above with reference to the accompanying drawings, and the described embodiments are used to help understanding the idea of the present invention. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (10)
1. A manufacturing method of star-shaped eight-type net wires is characterized by comprising the following steps:
s1, selecting a mold: selecting a quincunx five-hole inner die and a quincunx five-hole outer die, wherein the quincunx five-hole outer die is sleeved outside the quincunx five-hole inner die;
s2, stranding the lead;
s3, extruding an insulator: extruding and molding the insulator and coating the insulator on a plurality of leads to form a cable core;
s4, cable core pair twisting: selecting eight cable cores, and twisting the cable cores pairwise to form four groups of twisted lines;
s5, sheath extrusion: penetrating the four groups of twisted pairs into a quincunx five-hole die, placing the die with the four groups of twisted pairs into a head of an extruder, extruding a sheath, and coating the sheath on the twisted pairs to form a star eight-type net wire;
the quincunx five-hole internal mold is provided with an inner ring hole and four outer ring holes which are arranged outside the inner ring hole in a matrix manner, and four groups of twisted pairs penetrate into one outer ring hole respectively.
2. The method for manufacturing a star-shaped eight-type net wire according to claim 1, wherein the step S2 includes the steps of:
s21: selecting a conductor, and drawing the conductor to form a guide wire;
s22: and twisting the guide wires to reach the size of a preset diameter.
3. The method as claimed in claim 2, wherein in step S21, the conductor is copper or aluminum or other conductive metal.
4. The method as claimed in claim 1, wherein in step S4, the four sets of twisted pairs are covered with shielding material.
5. The method of claim 1, wherein the step S5 is to pull four pairs of wires after extruding the sheath and to wrap the sheath around the pairs of wires.
6. The method for manufacturing a star-shaped eight-type mesh wire according to claim 1, wherein four outer ring holes are uniformly distributed on the outer side of the inner ring hole in the circumferential direction.
7. A star-shaped eight-type mesh wire manufactured by the method for manufacturing a star-shaped eight-type mesh wire according to any one of claims 1 to 6, comprising:
a sheath;
the four groups of twisted pairs are arranged in the sheath in a matrix manner, and a drainage hole is formed in the center of the matrix arrangement of the twisted pairs.
8. The star-shaped eight-type mesh wire according to claim 7, wherein a shielding layer is arranged between the sheath and the twisted pair wires.
9. The star-shaped eight-type mesh wire according to claim 7, wherein four sets of the twisted pairs are uniformly arranged in the sheath along the circumferential direction of the drainage hole.
10. The star-shaped eight-type mesh wire according to claim 7, wherein a tearing rope is arranged between the sheath and the twisted pair wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110431786.2A CN113205920B (en) | 2021-04-21 | 2021-04-21 | Star-shaped eight-type net wire and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110431786.2A CN113205920B (en) | 2021-04-21 | 2021-04-21 | Star-shaped eight-type net wire and manufacturing method thereof |
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| CN113205920A true CN113205920A (en) | 2021-08-03 |
| CN113205920B CN113205920B (en) | 2022-09-13 |
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| CN202110431786.2A Active CN113205920B (en) | 2021-04-21 | 2021-04-21 | Star-shaped eight-type net wire and manufacturing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106710681A (en) * | 2017-02-23 | 2017-05-24 | 湖北宇洪光电实业有限公司 | 6<+> digital communication cable and manufacturing method therefor |
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| AU2006273098A1 (en) * | 2005-07-28 | 2007-02-01 | Ls Corp | Communication cable having outside spacer and method for producing the same |
| US20170287590A1 (en) * | 2016-04-01 | 2017-10-05 | Hitachi Metals, Ltd. | Composite cable and composite harness |
| CN107481808A (en) * | 2017-08-02 | 2017-12-15 | 安徽宜德电子有限公司 | A kind of preparation method of 7 class data wire |
| CN109427433A (en) * | 2017-08-28 | 2019-03-05 | 广州宇洪科技股份有限公司 | A kind of six class electricity comprehensive digital communication cables and preparation method thereof applied to safety monitoring |
| CN111091926A (en) * | 2020-02-09 | 2020-05-01 | 江苏宝翼通讯科技有限公司 | Eight-type wire and production process thereof |
-
2021
- 2021-04-21 CN CN202110431786.2A patent/CN113205920B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2006273098A1 (en) * | 2005-07-28 | 2007-02-01 | Ls Corp | Communication cable having outside spacer and method for producing the same |
| US20170287590A1 (en) * | 2016-04-01 | 2017-10-05 | Hitachi Metals, Ltd. | Composite cable and composite harness |
| CN107481808A (en) * | 2017-08-02 | 2017-12-15 | 安徽宜德电子有限公司 | A kind of preparation method of 7 class data wire |
| CN109427433A (en) * | 2017-08-28 | 2019-03-05 | 广州宇洪科技股份有限公司 | A kind of six class electricity comprehensive digital communication cables and preparation method thereof applied to safety monitoring |
| CN111091926A (en) * | 2020-02-09 | 2020-05-01 | 江苏宝翼通讯科技有限公司 | Eight-type wire and production process thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106710681A (en) * | 2017-02-23 | 2017-05-24 | 湖北宇洪光电实业有限公司 | 6<+> digital communication cable and manufacturing method therefor |
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| Publication number | Publication date |
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| CN113205920B (en) | 2022-09-13 |
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