CN109872846A - A kind of railway single-phase intelligent cable - Google Patents
A kind of railway single-phase intelligent cable Download PDFInfo
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- CN109872846A CN109872846A CN201910169071.7A CN201910169071A CN109872846A CN 109872846 A CN109872846 A CN 109872846A CN 201910169071 A CN201910169071 A CN 201910169071A CN 109872846 A CN109872846 A CN 109872846A
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- layer
- loose tube
- armor
- phase intelligent
- intelligent cable
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Abstract
The present invention provides a kind of railway single-phase intelligent cables, including copper conductor core, it is successively coated with the internal shield that insulate on the outside of the copper conductor core, crosslinked polyetylene insulated layer, insulation external shielding layer, semi-conductive tape wrapping layer, shields and dredges winding layer, extrudes liner layer, inhibiting tape wrapping layer, armor, band wrapping layer and oversheath, is provided with one in thin winding layer and/or armor or mostly with loose tube fiber unit in described shield.The invention has the advantages that: in addition to having the function of transmitting electric energy, also have the function of monitoring and telecommunication, the real time on-line monitoring that complete trails cable body and its attachment can be realized by cable itself guarantees that electric railway operation security is of great significance to power supply reliability is improved.
Description
Technical field
The invention belongs to technical field of electric wires and cables, more particularly, to a kind of railway single-phase intelligent cable.
Background technique
In electric railway traction power supply system, service cable generally uses the modes such as poling, cable duct laying, due to
Working environment is complicated, inspection maintenance is inconvenient, is easy to appear failure or even influences traffic safety, service cable safety work is
As the crucial problem for influencing the safe and stable operation of electric railway traction power supply system.
Traditional cable only has the function of transmission electric energy, does not have monitoring and communication function, if you need to be monitored to cable
It needs to stick on cable outer surface by external optical fiber unit and be monitored, difficulty of construction is big, optical fiber is easy to damage and monitoring is accurate
Spend it is low, can not utilize cable run resource itself, guarantee transmission electric energy function on the basis of realize real time on-line monitoring electricity
Cable ontology route and communication function, construction cost and operation maintenance cost are high.
Summary of the invention
In view of this, the present invention is directed to propose a kind of railway single-phase intelligent cable, i.e., a kind of electric railway 27.5kV
Single-phase crosslinked polyetylene insulated intelligent cable, with the shortcoming to solve the above problems.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of railway single-phase intelligent cable, including copper conductor core, the copper conductor core outside are successively coated with insulation
Internal shield, crosslinked polyetylene insulated layer, insulation external shielding layer, semi-conductive tape wrapping layer, shield dredge winding layer, extrude liner layer,
Inhibiting tape wrapping layer, armor, band wrapping layer and oversheath are provided with one in described shield in thin winding layer and/or armor
Root or mostly with loose tube fiber unit.
Further, it is that copper wire is dredged around structure or copper strips binder structure that winding layer is dredged in the shielding.
Further, the armor is aluminium wire or aluminium strip structure.
Further, the more loose tube fiber units are evenly distributed on shielding and dredge winding layer and/or armor.
Further, on the outside of the loose tube fiber unit outer diameter of Loose tube and the aluminium wire of armor or shielding dredge around
The copper wire overall diameter of layer is consistent.
Further, the aluminium wire or shielding of the loose tube fiber unit and armor are dredged the copper wire same layer of winding layer, are twisted in the same direction
It closes or dredges around together.
Further, the Loose tube that the loose tube fiber unit of the armor is arranged in is that magnetism-free stainless steel, aluminium or aluminium close
Golden material.
Further, be arranged in it is described shield dredge winding layer loose tube fiber unit Loose tube be magnetism-free stainless steel, copper or
High polymer plastic material.
Compared with the existing technology, railway single-phase intelligent cable of the present invention has the advantage that
(1) railway single-phase intelligent cable of the present invention is in addition to having the function of transmitting electric energy, also with monitoring and far
The function of Cheng Tongxin can realize the real time on-line monitoring of complete trails cable body and its attachment, to raising by cable itself
Power supply reliability guarantees that electric railway operation security is of great significance.
(2) railway single-phase intelligent cable of the present invention is shielded by dredging optical fiber built-in in copper wire around (copper strips is tied up)
Layer and aluminium wire or aluminium strip armor stick on the technology that cable outer surface is monitored, light relative to by external optical fiber unit
Fine not easily damaged, difficulty of construction is small, and maintenance cost is low, has remarkable effect for improving reliability and reducing cost.
(3) railway single-phase intelligent cable of the present invention using built-in distribution type fiber-optic technology be easier to data acquisition,
Be able to achieve real-time tracking detection and data analysis, measurement accuracy is higher, fault location is more quasi-, and can electromagnetism interference, more
It is suitble to telecommunication transmission.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the railway single-phase intelligent cable that armor is distributed in built in loose tube fiber unit described in the embodiment of the present invention
Structure sectional view；
Fig. 2 is that the railway single-phase intelligent for shielding and dredging winding layer is distributed in built in loose tube fiber unit described in the embodiment of the present invention
Construction of cable cross-sectional view；
Fig. 3 is that the railway for shielding and dredging winding layer and armor is distributed in built in loose tube fiber unit described in the embodiment of the present invention
Single-phase intelligent construction of cable cross-sectional view.
Description of symbols:
1- copper conductor core；2- insulation internal shield；The crosslinked polyetylene insulated layer of 3-；4- insulation external shielding layer；5- is partly led
Electricity band wrapping layer；6-, which is shielded, dredges winding layer；7- extrudes liner layer；8- inhibiting tape wrapping layer；9- armor；10- band wrapping layer；
11- oversheath；12- loose tube fiber unit.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1 to Figure 3, a kind of railway single-phase intelligent cable, including copper conductor core 1, outside the copper conductor core 1
Side is successively coated with insulation internal shield 2, crosslinked polyetylene insulated layer 3, insulation external shielding layer 4, semi-conductive tape wrapping layer 5, screen
It covers thin winding layer 6, extrude liner layer 7, inhibiting tape wrapping layer 8, armor 9, band wrapping layer 10 and oversheath 11, in the shielding
It dredges and is provided with one in winding layer 6 and/or armor 9 or mostly with loose tube fiber unit 12.
It is that copper wire is dredged around structure or copper strips binder structure that winding layer 6 is dredged in the shielding.
The armor 9 is aluminium wire or aluminium strip structure.
The more loose tube fiber units are evenly distributed on shielding and dredge winding layer 6 and/or armor 9.
The outer diameter of the 12 outside Loose tube of loose tube fiber unit and the aluminium wire of armor 9 shield thin winding layer 6
Copper wire overall diameter is consistent.
The aluminium wire of the loose tube fiber unit 12 and armor 9 or shield dredges the copper wire same layer, twisted or thin in the same direction of winding layer 6
Around together.
The Loose tube of the loose tube fiber unit of the armor 9 is set for the conjunction of no magnetic (austenite) stainless steel, aluminium or aluminium
Golden material, and it is mutually compatible with the machinery of aluminium wire, physical and chemical properties.
The Loose tube that the loose tube fiber unit 12 for shielding thin winding layer 6 is arranged in is no magnetic (austenite) stainless steel, copper
Or high polymer plastic material, and it is mutually compatible around the physics of copper wire, chemical property with dredging.
The type of fiber unit in the loose tube fiber unit 12 is single mode and multimode fibre, selects typical optical fiber class
Type has following several:
A. the type of multimode fibre should have A1a and A1b two by the regulation of GB/T 12357.1, typical multimode fibre type
Kind；
B. dispersion-unshifted single mode fiber (ITU-T G.652A with ITU-T G.652B)；
C. the dispersion-unshifted single mode fiber (ITU-T G.652C with ITU-T G.652D) of wavelength period extension；
D. non-zero dispersion displacement single mode optical fibre (ITU-T is G.655).
The quantity of shown loose tube fiber unit according to engineer application it needs to be determined that.
The quantity of fiber unit in each loose tube fiber unit Loose tube according to engineer application it needs to be determined that.
Above-mentioned railway single-phase intelligent cable, is communicated by built-in fiber, carries out temperature anomaly by optical time domain reflection
Positioning is realized to cable operational monitoring.
The production process of the present embodiment is as follows:
As shown in Figure 1, aluminium wire armoured (armor 9) process in cable production process, non magnetic by one or more
The loose tube fiber unit 12 of metal Loose tube (including optical fiber and fiber paste) is arranged in armor 9, for more loose tube fiber units
12 should be symmetric in 360 ° of circumference in armor 9, replace the armouring aluminium wire of position.Loose tube fiber unit 12 and armour
Dress 9 aluminium wire same layer of layer twists together in the same direction.
As shown in Fig. 2, copper wire in cable production process dredge around or copper strips tie up and (shield and dredge winding layer 6) process, by one
Root or more nonmagnetic metal (austenitic stainless steel, copper T2 or TU2) Loose tubes or nonmetallic Loose tube (high polymer plastics) are (interior
Containing optical fiber and fiber paste) loose tube fiber unit 12 setting shield dredge winding layer 6, for multifiber unit 12 should shielding dredge around
Be symmetric in 360 ° of circumference in layer 6, do not replace the copper wire of position, loose tube fiber unit 12 be added in parallel two dredge around
Between copper wire.Loose tube fiber unit 12 and copper wire are dredged around same layer, are twisted together in the same direction.This built-in fiber cell distribution pattern can
Suitable for aluminium wire armoured cable and aluminium strip armored cable.
As shown in figure 3, in cable production process respectively copper wire dredge around or copper strips tie up (shield dredge winding layer 6) and aluminium wire
Armouring (armor 9) process, by one to multiple nonmagnetic metal or the Song Taoguang of nonmetallic Loose tube (including optical fiber and fiber paste)
The fine setting of unit 12 is shielding thin winding layer 6 and armor 9.The setting form of loose tube fiber unit 12 and requirement are respectively as above-mentioned
Two processes.Distribution pattern is not suitable for aluminium strip armored cable built in this, but is applicable to special engineering and applies needs.
Aforesaid way specific implementation meets the requirement of cable technology technique, and manufacturing equipment also adapts to, thus embodiment it is feasible,
Reliably.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of railway single-phase intelligent cable, it is characterised in that: including copper conductor core, successively wrapped on the outside of the copper conductor core
It is covered with insulation internal shield, crosslinked polyetylene insulated layer, insulation external shielding layer, semi-conductive tape wrapping layer, shields and dredges winding layer, extrudes
Liner layer, inhibiting tape wrapping layer, armor, band wrapping layer and oversheath are set in described shield in thin winding layer and/or armor
It is equipped with one or mostly with loose tube fiber unit.
2. a kind of railway single-phase intelligent cable according to claim 1, it is characterised in that: described shield dredges winding layer as copper wire
It dredges around structure or copper strips binder structure.
3. a kind of railway single-phase intelligent cable according to claim 1, it is characterised in that: the armor is aluminium wire or aluminium
Band structure.
4. a kind of railway single-phase intelligent cable according to claim 1, it is characterised in that: the more loose tube fiber units
It is evenly distributed on shielding and dredges winding layer and/or armor.
5. a kind of railway single-phase intelligent cable according to claim 1, it is characterised in that: on the outside of the loose tube fiber unit
The outer diameter of Loose tube is consistent with the aluminium wire of armor or the thin copper wire overall diameter of winding layer of shielding.
6. a kind of railway single-phase intelligent cable according to claim 1, it is characterised in that: the loose tube fiber unit and armour
It fills the aluminium wire of layer or shields and dredge the copper wire same layer of winding layer, be twisted or dredged around together in the same direction.
7. a kind of railway single-phase intelligent cable according to claim 1, it is characterised in that: the pine of the armor is arranged in
The Loose tube of unjacketed optical fiber unit is magnetism-free stainless steel, aluminum or aluminum alloy material.
8. a kind of railway single-phase intelligent cable according to claim 1, it is characterised in that: setting dredges winding layer in described shield
Loose tube fiber unit Loose tube be magnetism-free stainless steel, copper or high polymer plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910169071.7A CN109872846A (en) | 2019-03-06 | 2019-03-06 | A kind of railway single-phase intelligent cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910169071.7A CN109872846A (en) | 2019-03-06 | 2019-03-06 | A kind of railway single-phase intelligent cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109872846A true CN109872846A (en) | 2019-06-11 |
Family
ID=66919874
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910169071.7A Pending CN109872846A (en) | 2019-03-06 | 2019-03-06 | A kind of railway single-phase intelligent cable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111430064A (en) * | 2020-04-03 | 2020-07-17 | 远东电缆有限公司 | Single-phase alternating current intelligent monitoring cable for railway and production process thereof |
| CN111613375A (en) * | 2020-06-12 | 2020-09-01 | 中天科技海缆有限公司 | Submarine cable and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204537755U (en) * | 2015-04-24 | 2015-08-05 | 中天科技海缆有限公司 | The crosslinked polyetylene insulated optical fiber composite submarine power cable of three core 220kV |
| CN105513691A (en) * | 2015-12-29 | 2016-04-20 | 上海摩恩电气股份有限公司 | Medium-voltage fireproof intelligent monitoring cable |
| CN209487210U (en) * | 2019-03-06 | 2019-10-11 | 中国铁路设计集团有限公司 | A kind of railway single-phase intelligent cable |
-
2019
- 2019-03-06 CN CN201910169071.7A patent/CN109872846A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204537755U (en) * | 2015-04-24 | 2015-08-05 | 中天科技海缆有限公司 | The crosslinked polyetylene insulated optical fiber composite submarine power cable of three core 220kV |
| CN105513691A (en) * | 2015-12-29 | 2016-04-20 | 上海摩恩电气股份有限公司 | Medium-voltage fireproof intelligent monitoring cable |
| CN209487210U (en) * | 2019-03-06 | 2019-10-11 | 中国铁路设计集团有限公司 | A kind of railway single-phase intelligent cable |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111430064A (en) * | 2020-04-03 | 2020-07-17 | 远东电缆有限公司 | Single-phase alternating current intelligent monitoring cable for railway and production process thereof |
| CN111613375A (en) * | 2020-06-12 | 2020-09-01 | 中天科技海缆有限公司 | Submarine cable and preparation method thereof |
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