CN107331467B - Shielded cable for computer - Google Patents
Shielded cable for computer Download PDFInfo
- Publication number
- CN107331467B CN107331467B CN201710372690.7A CN201710372690A CN107331467B CN 107331467 B CN107331467 B CN 107331467B CN 201710372690 A CN201710372690 A CN 201710372690A CN 107331467 B CN107331467 B CN 107331467B
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- CN
- China
- Prior art keywords
- shielded
- elastic
- cable
- shielding
- elastic tube
- Prior art date
- Legal status (The legal status 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 status listed.)
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Links
- 239000003063 flame retardant Substances 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 12
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 10
- 230000007704 transition Effects 0.000 claims abstract description 6
- 239000004020 conductor Substances 0.000 claims description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 abstract description 11
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
- H01B9/024—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients composed of braided metal wire
-
- 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
- H01B7/0009—Details relating to the conductive cores
-
- 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
- H01B7/185—Sheaths comprising internal cavities or channels
-
- 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
- H01B7/189—Radial force absorbing layers providing a cushioning effect
-
- 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
- H01B7/1895—Internal space filling-up means
-
- 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
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
Landscapes
- Insulated Conductors (AREA)
Abstract
the invention provides a shielding cable for a computer, which comprises a first elastic tube, a second elastic tube, an inner shielding cable and a plurality of outer shielding cables, wherein the first elastic tube is arranged in the second elastic tube, the second elastic tube is formed by sequentially connecting a plurality of elastic pieces end to end, the elastic pieces are provided with V-shaped cross sections, V-shaped openings of the elastic pieces face the first elastic tube, the joints of any two adjacent elastic pieces are in arc transition, the joints of any two adjacent elastic pieces are abutted against the outer wall of the first elastic tube, the inner shielding cable is arranged in the first elastic tube, and the plurality of outer shielding cables are arranged between the second elastic tube and a flame-retardant wrapping tape. The first elastic tube and the second elastic tube can effectively protect the inner shielding cable core and the outer shielding cable core, the cable structure can be kept stable, when the cable is extruded, the extrusion force acts on the elastic piece, and the elastic piece and the first elastic buffer material relieve the extrusion force through deformation, so that the inner shielding cable and the outer shielding cable can be effectively prevented from being damaged due to extrusion.
Description
Technical Field
The invention relates to the technical field of computer cables, in particular to a shielding cable for a computer.
Background
The computer cable is mainly used for computer power supply and power transmission and distribution lines with rated voltage of 1KV and below for transmitting electric energy, and has wide application in many industries. With the wide application of computer technology in various industries, the demand of cables for computers is increasing, and the requirements are increasing. However, the existing cable for the computer has a loose structure and weak pressure resistance, is easily interfered by electromagnetic waves, and influences the popularization and application of the computer technology.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a shielded cable for a computer.
The invention provides a shielding cable for a computer, which comprises a first elastic tube, a second elastic tube, an inner shielding cable and a plurality of outer shielding cables, wherein:
The first elastic pipe is arranged in the second elastic pipe, the first elastic pipe is provided with a circular section, the second elastic pipe is formed by sequentially connecting a plurality of elastic pieces end to end, the elastic pieces are provided with V-shaped sections, V-shaped openings of the elastic pieces face the first elastic pipe, the joints of any two adjacent elastic pieces are in arc transition, and the joints of any two adjacent elastic pieces are abutted against the outer wall of the first elastic pipe; the second elastic tube is sequentially wrapped with a flame-retardant wrapping tape wrapping layer, a copper wire braided shielding layer and an outer sheath layer;
The inner shielding cable is arranged in the first elastic tube, a plurality of outer shielding cables are arranged between the second elastic tube and the flame-retardant wrapping layer, the number of the outer shielding cables is consistent with that of the elastic pieces, and an outer shielding cable is arranged between any two adjacent elastic pieces, the outer shielding cable is provided with a V-shaped opening facing the outer side of the cable, two V-shaped edges of the outer shielding cable are abutted against two adjacent elastic pieces respectively, one end of the outer shielding cable, which is far away from the V-shaped opening, is abutted against the joint of the two adjacent elastic pieces, the outer shielding cable and the second elastic tube, and the flame-retardant wrapping layer is filled with a first elastic buffer material in a gap between the wrapping layers.
preferably, the inner shielding cable comprises a central non-shielding wire, a plurality of inner non-shielding wires and a plurality of inner shielding wires, the cross sections of the central non-shielding wires, the inner non-shielding wires and the inner shielding wires are all circular, the central non-shielding wires are located at the center of the first elastic tube, the plurality of inner non-shielding wires are uniformly distributed around the central non-shielding wires, the number of the inner shielding wires is consistent with that of the inner non-shielding wires, one inner shielding wire is arranged between any two adjacent inner non-shielding wires, and the inner shielding wires are abutted to the adjacent two inner non-shielding wires.
Preferably, the cross-sectional areas of the central unshielded conductor, the inner unshielded conductor and the inner shielded conductor are equal.
Preferably, the outer shielding cable comprises an outer shielding cable core and an insulating sheath layer wrapped outside the outer shielding cable core, and a second elastic buffer material is filled between the outer shielding cable core and the insulating sheath layer.
Preferably, the outer shielding cable core comprises an outer shielding wire and two outer non-shielding wires, the two outer non-shielding wires are respectively arranged at one ends, close to the V-shaped opening, of the two V-shaped edges of the outer shielding cable, and the outer shielding wire is arranged at one end, far away from the V-shaped opening, of the outer shielding cable.
Preferably, the outer shielded conductor and the outer unshielded conductor have a circular cross-section and the cross-sectional area of the outer shielded conductor is larger than the cross-sectional area of the outer unshielded conductor.
Preferably, a plurality of connecting ribs are arranged on the inner side of the V-shaped opening of the elastic part at intervals along the axial direction of the cable, and two ends of each connecting rib are respectively connected with two V-shaped edges of the elastic part.
Preferably, a plurality of through holes are distributed in the first elastic tube, each through hole is provided with an oval cross section, and the long axis of each through hole is arranged along the radial direction of the cable.
According to the invention, a first elastic pipe is arranged in a second elastic pipe, the first elastic pipe is provided with a circular section, the second elastic pipe is formed by sequentially connecting a plurality of elastic pieces end to end, the elastic pieces are provided with V-shaped sections, V-shaped openings of the elastic pieces face the first elastic pipe, the joints of any two adjacent elastic pieces are in arc transition, and the joints of any two adjacent elastic pieces are abutted against the outer wall of the first elastic pipe; the inner shielding cable is arranged in the first elastic pipe, so that the stability of the inner shielding cable can be ensured; an outer shielding cable is arranged between any two adjacent elastic pieces, and a first elastic buffer material is filled in gaps between the outer shielding cable and the second elastic tube and between the outer shielding cable and the flame-retardant wrapping tape wrapping layer, so that the stability of the outer shielding cable is ensured; through above design, first elastic tube, second elastic tube can effectively protect internal shield cable core and external shield cable core, and cable structure can remain stable, and is difficult loose, and when the cable received the extrusion, the extrusion force was used in the elastic component, and the extrusion force is alleviated through warping to elastic component, first elastic buffer material, can effectively prevent internal shield cable, external shield cable and damage because of receiving the extrusion.
According to the invention, the inner shielding cable consists of a central non-shielding wire, a plurality of inner shielding wires and a plurality of inner non-shielding wires, wherein the plurality of inner shielding wires are sequentially and uniformly distributed on the outer side of the central non-shielding wire in a surrounding manner, and any two adjacent inner shielding wires are mutually abutted, which is equivalent to shielding the central non-shielding wire; the inner non-shielding wires are arranged in the gaps between any two adjacent inner shielding wires, the outer shielding cables are sequentially and evenly distributed outside the second elastic tube, and the inner side of any one inner non-shielding conductor is shielded by the inner shielding wires and the outer shielding cables outside the inner shielding wires through any two adjacent inner shielding wires, so that the inner non-shielding wires are sequentially separated, and interference cannot occur between the inner non-shielding wires.
Drawings
Fig. 1 is a schematic structural diagram of a shielded cable for a computer according to the present invention.
Detailed Description
Referring to fig. 1, the present invention provides a shielded cable for a computer, including a first elastic tube 1, a second elastic tube 2, an inner shielded cable 3, and a plurality of outer shielded cables 4, wherein:
The first elastic tube 1 is arranged inside the second elastic tube 2, the first elastic tube 1 is provided with a circular cross section, a plurality of through holes 11 are distributed in the first elastic tube 1, the through holes 11 are provided with oval cross sections, and long axes of the through holes 11 are arranged along the radial direction of the cable. Second elastic tube 2 is formed by a plurality of elastic components 21 end to end connection in proper order, elastic component 21 has V type cross-section and elastic component 21's V type opening towards first elastic tube 1, arbitrary two adjacent elastic component 21 junction arc transition and arbitrary two adjacent elastic component 21 junctions all lean on with 1 outer wall of first elastic tube, the V type opening inboard of elastic component 21 has a plurality of splice bars 22 along cable axial interval arrangement, a plurality of splice bars 22 both ends are connected with two V type limits of elastic component 21 respectively. The second elastic tube 2 is sequentially wrapped with a flame-retardant wrapping tape wrapping layer 5, a copper wire braided shielding layer 6 and an outer sheath layer 7.
The inner shielding cable 3 is arranged in the first elastic tube 1, the inner shielding cable 3 comprises a central non-shielding wire 31, a plurality of inner non-shielding wires 32 and a plurality of inner shielding wires 33, the central non-shielding wire 31, the inner non-shielding wires 32 and the cross sections of the inner shielding wires 33 are all circular, the central non-shielding wires 31, the inner non-shielding wires 32 and the inner shielding wires 33 are equal in cross section area, the central non-shielding wire 31 is located in the center of the first elastic tube 1, the plurality of inner non-shielding wires 32 are uniformly distributed around the central non-shielding wire 31, the number of the inner shielding wires 33 is consistent with the number of the inner non-shielding wires 32, one inner shielding wire 33 is arranged between any two adjacent inner non-shielding wires 32, and the inner shielding wires 33 are abutted to the two adjacent inner non-shielding wires 32.
Many outer shielding cable 4 set up between second elastic tube 2 and fire-retardant band around covering 5, the quantity of outer shielding cable 4 is unanimous with the quantity of elastic component 21 and is equipped with an outer shielding cable 4 between two arbitrary adjacent elastic component 21, outer shielding cable 4 has V type cross-section and the V type opening of outer shielding cable 4 and leans on and the outer shielding cable 4 keeps away from its V type opening one end and supports with two adjacent elastic component 21 junctions with two adjacent elastic component 21 respectively to the V type limit of outer shielding cable 4 and supports and lean on, outer shielding cable 4 and second elastic tube 2, fire-retardant band gap intussuseption between 5 is filled with first elastic buffer material 8 around covering. The outer shielding cable 4 comprises an outer shielding cable core 41 and an insulating sheath layer 42 wrapped outside the outer shielding cable core 41, a second elastic buffer material 43 is filled between the outer shielding cable core 41 and the insulating sheath layer 42, the outer shielding cable core 41 comprises an outer shielding lead 411 and two outer non-shielding leads 412, the two outer non-shielding leads 412 are respectively arranged at one ends, close to the V-shaped opening, of two V-shaped edges of the outer shielding cable 4, the outer shielding lead 411 is arranged at one end, far away from the V-shaped opening, of the outer shielding cable 4, the outer shielding lead 411 and the outer non-shielding leads 412 are provided with circular cross sections, and the cross section area of the outer shielding lead 411 is larger than that of the outer non-shielding leads 412.
The invention provides a shielding cable for a computer, wherein a first elastic tube 1 is arranged inside a second elastic tube 2, the first elastic tube 1 is provided with a circular section, the second elastic tube 2 is formed by sequentially connecting a plurality of elastic pieces 21 end to end, the elastic pieces 21 are provided with V-shaped sections, V-shaped openings of the elastic pieces 21 face the first elastic tube 1, the joints of any two adjacent elastic pieces 21 are in arc transition, and the joints of any two adjacent elastic pieces 21 are abutted against the outer wall of the first elastic tube 1; the inner shielding cable 3 is arranged in the first elastic tube 1, so that the stability of the inner shielding cable 4 can be ensured; an outer shielding cable 4 is arranged between any two adjacent elastic pieces 21, and a first elastic buffer material 8 is filled in a gap between the outer shielding cable 4 and the second elastic tube 2 and between the flame-retardant wrapping tape wrapping layer 5, so that the stability of the outer shielding cable 4 is ensured; through above design, shielding cable 3 and outer shielding cable 4 in first elastic tube 1, second elastic tube 2 can effectively be protected, and cable structure can remain stable, and is difficult loose, and when the cable received the extrusion, the extrusion force was used in elastic component 21, first elastic buffer material 8, and the extrusion force is alleviated through the deformation to elastic component 21, first elastic buffer material 8, can effectively prevent that inner shielding cable 3, outer shielding cable 4 from damaging because of receiving the extrusion.
in the invention, the inner shielding cable 3 consists of a central non-shielding wire 31, a plurality of inner shielding wires 33 and a plurality of inner non-shielding wires 32, the plurality of inner shielding wires 33 are sequentially and uniformly distributed on the outer side of the central non-shielding wire 31 in an enclosing way, any two adjacent inner shielding wires 33 are mutually abutted, which is equivalent to shielding the central non-shielding wire 31; the inner non-shielding wires 32 are arranged in gaps between any two adjacent inner shielding wires 33, the outer shielding cables 4 are sequentially and uniformly distributed outside the second elastic tube 2, so that the inner side of any one inner non-shielding wire 32 is shielded by any two adjacent inner shielding wires 33 and the outer shielding cables 4 outside the inner non-shielding wires, the inner non-shielding wires 32 are sequentially separated, and interference cannot be generated between the inner non-shielding wires 32.
the above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. A shielded cable for a computer, comprising a first elastic tube (1), a second elastic tube (2), an inner shielded cable (3) and a plurality of outer shielded cables (4), wherein:
The first elastic pipe (1) is arranged inside the second elastic pipe (2), the first elastic pipe (1) is provided with a circular cross section, the second elastic pipe (2) is formed by sequentially connecting a plurality of elastic pieces (21) end to end, the elastic pieces (21) are provided with V-shaped cross sections, V-shaped openings of the elastic pieces (21) face the first elastic pipe (1), the connection part of any two adjacent elastic pieces (21) is in arc transition, and the connection part of any two adjacent elastic pieces (21) is abutted against the outer wall of the first elastic pipe (1); the second elastic tube (2) is sequentially wrapped with a flame-retardant wrapping tape wrapping layer (5), a copper wire braided shielding layer (6) and an outer sheath layer (7);
The inner shielding cable (3) is arranged in the first elastic tube (1), a plurality of outer shielding cables (4) are arranged between the second elastic tube (2) and the flame-retardant wrapping tape wrapping layer (5), the number of the outer shielding cables (4) is consistent with the number of the elastic pieces (21), one outer shielding cable (4) is arranged between any two adjacent elastic pieces (21), the outer shielding cable (4) is provided with a V-shaped section, the V-shaped opening of the outer shielding cable (4) faces the outer side of the cable, two V-shaped sides of the outer shielding cable (4) are respectively abutted against the two adjacent elastic pieces (21), one end, far away from the V-shaped opening, of the outer shielding cable (4) is abutted against the joint of the two adjacent elastic pieces (21), and a first elastic buffer material (8) is filled in a gap between the outer shielding cable (4) and the second elastic tube (2) and the flame-retardant wrapping tape wrapping layer (5);
Interior shielded cable (3) are including central non-shielded wire (31), many interior non-shielded wires (32) and many interior shielded wires (33), central non-shielded wire (31), interior non-shielded wire (32), the cross section of interior shielded wire (33) is circular, center non-shielded wire (31) are located the center of first elastic tube (1), many interior non-shielded wires (32) equipartition are around central non-shielded wire (31), the quantity of interior shielded wire (33) is unanimous with the quantity of interior non-shielded wire (32), and be equipped with one interior shielded wire (33) between arbitrary two interior non-shielded wires (32), interior shielded wire (33) all support against with two adjacent interior non-shielded wires (32).
2. The shielded cable for computer according to claim 1, wherein the cross-sectional areas of the center unshielded conductor (31), the inner unshielded conductor (32), and the inner shielded conductor (33) are equal.
3. The shielded cable for computers according to any one of claims 1 to 2, wherein the outer shielded cable (4) comprises an outer shielded cable core (41) and an insulating sheath layer (42) wrapped outside the outer shielded cable core (41), and a second elastic buffer material (43) is filled between the outer shielded cable core (41) and the insulating sheath layer (42).
4. a shielded cable for computer according to claim 3, wherein the outer shielded cable core (41) comprises an outer shielded conductor (411) and two outer unshielded conductors (412), the two outer unshielded conductors (412) are respectively disposed at the ends of the two V-shaped sides of the outer shielded cable (4) near the V-shaped opening thereof, and the outer shielded conductor (411) is disposed at the end of the outer shielded cable (4) far from the V-shaped opening thereof.
5. A shielded cable for computer according to any one of claims 1-2, wherein the outer shielded conductor (411), the outer non-shielded conductor (412) have a circular cross-section and the cross-sectional area of the outer shielded conductor (411) is larger than the cross-sectional area of the outer non-shielded conductor (412).
6. The shielded cable for computers according to any one of claims 1 to 2, wherein a plurality of connecting ribs (22) are arranged at intervals in the axial direction of the cable inside the V-shaped opening of the elastic member (21), and both ends of the plurality of connecting ribs (22) are connected to both V-shaped edges of the elastic member (21), respectively.
7. The shielded cable for computer according to any one of claims 1 to 2, wherein a plurality of through holes (11) are distributed in the first elastic tube (1), the through holes (11) having an elliptical cross section and the major axes of the through holes (11) being arranged in the radial direction of the cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710372690.7A CN107331467B (en) | 2017-05-24 | 2017-05-24 | Shielded cable for computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710372690.7A CN107331467B (en) | 2017-05-24 | 2017-05-24 | Shielded cable for computer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107331467A CN107331467A (en) | 2017-11-07 |
| CN107331467B true CN107331467B (en) | 2019-12-10 |
Family
ID=60193444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710372690.7A Active CN107331467B (en) | 2017-05-24 | 2017-05-24 | Shielded cable for computer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107331467B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114068087B (en) * | 2021-11-18 | 2024-03-08 | 苏州毕毕西通讯系统有限公司 | Coaxial cable capable of locking water and preventing leakage |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104183323A (en) * | 2014-09-10 | 2014-12-03 | 安徽慧艺线缆集团有限公司 | Marine composite control cable |
| CN204695832U (en) * | 2015-06-28 | 2015-10-07 | 吴联紫 | A kind of compact Compression-resistincable cable |
| CN205140589U (en) * | 2015-11-27 | 2016-04-06 | 王瑞 | A high-strength composite cable |
-
2017
- 2017-05-24 CN CN201710372690.7A patent/CN107331467B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104183323A (en) * | 2014-09-10 | 2014-12-03 | 安徽慧艺线缆集团有限公司 | Marine composite control cable |
| CN204695832U (en) * | 2015-06-28 | 2015-10-07 | 吴联紫 | A kind of compact Compression-resistincable cable |
| CN205140589U (en) * | 2015-11-27 | 2016-04-06 | 王瑞 | A high-strength composite cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107331467A (en) | 2017-11-07 |
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