CN103531275A - Built-in temperature-measuring optical fiber cables of intelligent cable and splicing method of built-in temperature-measuring optical fiber cables - Google Patents
Built-in temperature-measuring optical fiber cables of intelligent cable and splicing method of built-in temperature-measuring optical fiber cables Download PDFInfo
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- CN103531275A CN103531275A CN201310511189.6A CN201310511189A CN103531275A CN 103531275 A CN103531275 A CN 103531275A CN 201310511189 A CN201310511189 A CN 201310511189A CN 103531275 A CN103531275 A CN 103531275A
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Abstract
The invention discloses built-in temperature-measuring optical fiber cables of an intelligent cable and a splicing method of the built-in temperature-measuring optical fiber cables, aims to monitor the interior temperature of the intelligent cable timely and accurately, and belongs to the technical field of optical fiber cable temperature measurement. The built-in temperature-measuring optical fiber cables are characterized in that stainless steel tube and two copper conductors are arranged in an outer sheath of each temperature-measuring optical fiber cable, two temperature-measuring fiber cores are arranged in each stainless steel tube and closely attached to the two copper conductors arranged on two sides of each stainless steel tube respectively, and the temperature-measuring optical fiber cables are arranged between water-blocking tape layers of the intelligent cable in a tiling manner. The copper conductors of the temperature-measuring optical fiber cables and an aluminum sheath of the intelligent cable are connected at splicing ends of the intelligent cable with the built-in temperature-measuring optical fiber cables, the temperature-measuring fiber cores at front and to-be-spliced back ends are arranged in protective casings of the temperature-measuring fiber cores respectively, and electrical connection of the temperature-measuring fiber cores at the front and to-be-spliced back ends is realized in an optical fiber splicing tray. The stainless steel tube and the two copper conductors of each temperature-measuring optical fiber cable are closely attached, the heat conduction performance is good, and the splicing method is simple and good in effect, so that the temperature in any position in the length direction inside the intelligent cable can be monitored effectively and accurately.
Description
Technical field
The invention belongs to optical cable thermometry field, be specifically related to the built-in temperature measuring optical cable of a kind of intelligent cable and connecting method thereof.
Background technology
Intelligent cable is in service, and cable local overheating, particularly cable connector position loose contact local overheating will cause cable insulation to decline even breakdown, causes the serious accidents such as cable fire, casualties to occur.Cable operation more and more causes the extensive concern of entire society with the importance of security maintenance.Temperature-measuring optical fiber cable is that measurand variations in temperature is carried out to the cable of monitoring in real time.Conventional method is that temperature measuring optical cable is placed on to intelligent cable surface for the surface temperature of monitoring intelligent cable, in order accurately to know the temperature regime of intelligent cable, publication number is 101414034A, name is called the Chinese patent of " built-in temperature measuring optical cable ", a kind of built-in temperature measuring optical cable technical scheme is disclosed, built-in temperature measuring optical cable is inner in intelligent cable joint area.Though this mode is more accurate compared with the external thermometric mode of temperature measuring optical cable, but due to intelligent cable complex structure, also difference to some extent of the heat conductivility of each parts in structure, thereby still cannot learn the whole line-internal actual temperature of intelligent cable situation completely, and probe temperature is also affected by environment, there is potential potential safety hazard, have further improved necessity.
Summary of the invention
The object of this invention is to provide a kind of can be in time, monitoring intelligent cable internal temperature situation, the particularly built-in temperature measuring optical cable of the intelligent cable of cable joint internal temperature situation and connecting method thereof accurately and efficiently.
For achieving the above object, the technical solution used in the present invention is: the built-in temperature measuring optical cable of a kind of intelligent cable, comprise temperature measuring optical cable, intelligent cable, described intelligent cable comprises conductor, screen, insulating barrier, insulation screen, water blocking tape layer, aluminium sheath and cable jacket from inside to outside successively; It is characterized in that: the built-in stainless steel tube of oversheath of described temperature measuring optical cable and two copper conductors, the built-in two thermometric fibre cores of described stainless steel tube, between described thermometric fibre core, space is filled by ointment; Described two copper conductors both sides of described stainless steel tube that are placed in, and mutually fit tightly and join, the slightly larger in diameter of described copper conductor is in the diameter of described stainless steel tube; Described temperature measuring optical cable is built between the water blocking tape layer of described intelligent cable in tiling mode.
At least two of described temperature measuring optical cable quantity, hoop is uniform or be axial symmetrical tiling and arrange.
The connecting method of the built-in temperature measuring optical cable of described a kind of intelligent cable, is characterized in that: intelligent cable continual-connecting-part end, and along aluminium sheath strip off, stepped progressively exposed insulation screen, insulating barrier, conductor is bare wire shape; Described intelligent cable continue leading section and the rearward end that continues, described conductor docks mutually, and described insulation screen outer surface is fixedly connected with the two ends of the same taper of axial front and back symmetry respectively;
Described intelligent cable end is along aluminium sheath strip off place, make the copper conductor of temperature measuring optical cable separated with stainless steel tube, the aluminium sheath of described copper conductor and intelligent cable is joined, discard stainless steel tube, the thermometric fibre core exposing puts thermometric fibre core protective casing, front end thermometric fibre core protective casing is wound around front end insulation screen until be placed in the fibre junction pallet of taper front side, rear end thermometric fibre core protective casing to be continued is wound around rear end insulation screen, and passes through taper to fibre junction pallet in the mode being wound around; In described fibre junction pallet, front end thermometric fibre core and rear end thermometric fibre core to be continued, be placed in respectively in the protective casing of thermometric fibre core, realizes front end thermometric fibre core and rear end thermometric fibre core electrical connection to be continued; Then thermometric fibre core protective casing, fibre junction pallet and taper are all wound around sealing with insulating tape, and most external wraps with copper shell and heat-shrinkable T bush.
Described thermometric fibre core protective casing is insulation flexible material; Described fibre junction pallet is insulating material.
Good effect of the present invention is: the present invention is inner at intelligent cable, between multilayer water blocking tape layer, temperature measuring optical cable is set; At least two of temperature measuring optical cable quantity, uniform or the symmetrical tiling setting of hoop, and the built-in optical fiber stainless steel tube mutually fitting tightly of the oversheath of temperature measuring optical cable and two copper conductors, heat-conductive characteristic is good, make intelligent cable inside along the conductor temperature of the upper any position of length trend can be effectively, monitored exactly, avoided external environment influence; Connecting method simple effects of the present invention is good, and not only intensity is high, and has effectively protected temperature measuring optical cable, all sidedly the temperature regime at monitoring intelligent cable joint place.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Fig. 1 is the intelligent cable cross-sectional structure schematic diagram with built-in temperature measuring optical cable;
Fig. 2 is temperature measuring optical cable cross-sectional structure schematic diagram;
Fig. 3 is the intelligent cable joint temperature measuring optical cable schematic diagram that continues;
Fig. 4 is front and back ends temperature measuring optical cable by the fibre junction pallet schematic diagram that continues.
In figure, 1-conductor; 2-screen; 3-insulating barrier; 4/4 '-(front/rear end) insulation screen; 5-water blocking tape layer; 6/6 '-(front/rear end) temperature measuring optical cable; 7/7 '-(front/rear end) aluminium sheath; 8-cable jacket; 9-taper; 10-insulating tape; 11-thermometric fibre core protective casing; 12-fibre junction pallet; 13-copper shell and heat-shrinkable T bush; 61/61 '-(front/rear end) thermometric fibre core; 62-ointment; 63-stainless steel tube; 64/64 '-(front/rear end) copper conductor; 65-cable outer sheath.
Embodiment
Fig. 1 is the intelligent cable cross-sectional structure schematic diagram with built-in temperature measuring optical cable, and Fig. 2 is built-in temperature measuring optical cable cross-sectional structure schematic diagram.The built-in temperature measuring optical cable of a kind of intelligent cable, comprise temperature measuring optical cable, intelligent cable, described intelligent cable (as shown in Figure 1), comprises conductor 1, screen 2, insulating barrier 3, insulation screen 4, water blocking tape layer 5, aluminium sheath 7 and cable jacket 8 from inside to outside successively; It is characterized in that: the built-in stainless steel tube 63 of oversheath 65 and two copper conductors 64 of described temperature measuring optical cable (as shown in Figure 2), the built-in two thermometric fibre cores 61 of described stainless steel tube 63, between described thermometric fibre core 61, space is filled by ointment 62; Described two copper conductors 64 both sides of described stainless steel tube 63 that are placed in, and mutually fit tightly and join, the slightly larger in diameter of described copper conductor is in the diameter of described stainless steel tube 63; Described temperature measuring optical cable 6 is built between the water blocking tape layer 5 of described intelligent cable, as shown in Figure 1 in tiling mode.
At least two of the quantity of described temperature measuring optical cable 6, hoop is uniform or be axial symmetrical tiling and arrange.
The connecting method of the built-in temperature measuring optical cable 6 of intelligent cable, as shown in Figure 3 and Figure 4, is characterized in that: intelligent cable continues and locates end as mentioned above, along aluminium sheath 7 strip ofves, and stepped progressively exposed insulation screen 4, insulating barrier 3, conductor 1 is bare wire shape; Described intelligent cable continue leading section and the rearward end that continues, described conductor 1 docks mutually, and described (front/rear end) insulation screen 4/4 ' outer surface is fixedly connected with the two ends of the same taper 9 of axial front and back symmetry respectively.
Described intelligent cable end, along aluminium sheath 7 strip ofves place, makes the copper conductor 64 of temperature measuring optical cable 6 separated with stainless steel tube 63, and described copper conductor 64 is joined from the aluminium sheath 7 of aluminium sheath 7 strip ofves and intelligent cable in joint inside, reaches ground connection object; Copper conductor 64 slightly larger in diameter, in stainless steel tube 63, play a protective role to stainless steel tube 63 and inner temperature-measuring optical fiber 61 thereof.Discard stainless steel tube 63, the thermometric fibre core 61 exposing puts thermometric fibre core protective casing 11, and the temperature measuring optical cable being caused by the potential difference of 4 of aluminium sheath 7 and insulation screens in the time of can effectively preventing withstand voltage test is breakdown; Front end thermometric fibre core protective casing 11 is wound around front end insulation screen 4 until be placed in the fibre junction pallet 12 of taper 9 front sides, rear end thermometric fibre core protective casing 11 ' to be continued is wound around rear end insulation screen 4 ', and pass through taper 9 to fibre junction pallet 12 in the mode being wound around, this mode is for guaranteeing that optical fiber has enough surpluses on the one hand, temperature conditions that on the other hand also can very effective, comprehensive monitoring intelligent cable joint place; In described fibre junction pallet 12, front end thermometric fibre core 61 and rear end thermometric fibre core 61 ' to be continued, be placed in respectively in thermometric fibre core protective casing 11, realizes front end thermometric fibre core 61 and thermometric fibre core 61 ' electrical connection in rear end to be continued.
Then thermometric fibre core protective casing 11, fibre junction pallet 12 and taper 9 are all wound around sealing with insulating tape, can play buffering, insulating effect.Most external wraps with copper shell and heat-shrinkable T bush 13 again.
Described thermometric fibre core protective casing 11 is insulation flexible material; Described fibre junction pallet 12 is insulating material.
Claims (4)
1. the built-in temperature measuring optical cable of intelligent cable, comprises temperature measuring optical cable, intelligent cable, and described intelligent cable comprises conductor, screen, insulating barrier, insulation screen, water blocking tape layer, aluminium sheath and cable jacket from inside to outside successively; It is characterized in that: the built-in stainless steel tube of oversheath of described temperature measuring optical cable and two copper conductors, the built-in two thermometric fibre cores of described stainless steel tube, between described thermometric fibre core, space is filled by ointment; Described two copper conductors both sides of described stainless steel tube that are placed in, and mutually fit tightly and join, the slightly larger in diameter of described copper conductor is in the diameter of described stainless steel tube; Described temperature measuring optical cable is built between the water blocking tape layer of described intelligent cable in tiling mode.
2. the built-in temperature measuring optical cable of intelligent cable according to claim 1, is characterized in that: at least two of described temperature measuring optical cable quantity, hoop is uniform or be axial symmetrical tiling and arrange.
3. the connecting method of the built-in temperature measuring optical cable of a kind of intelligent cable described in claim 1, is characterized in that: intelligent cable continues and locates end, along aluminium sheath strip off, and stepped progressively exposed insulation screen, insulating barrier, conductor is bare wire shape; Described intelligent cable continue leading section and the rearward end that continues, described conductor docks mutually, and described insulation screen outer surface is fixedly connected with the two ends of the same taper of axial front and back symmetry respectively;
Described intelligent cable end is along aluminium sheath strip off place, make the copper conductor of temperature measuring optical cable separated with stainless steel tube, the aluminium sheath of described copper conductor and intelligent cable is joined, discard stainless steel tube, the thermometric fibre core exposing puts thermometric fibre core protective casing, front end thermometric fibre core protective casing is wound around front end insulation screen until be placed in the fibre junction pallet of taper front side, rear end thermometric fibre core protective casing to be continued is wound around rear end insulation screen, and passes through taper to fibre junction pallet in the mode being wound around; In described fibre junction pallet, front end thermometric fibre core and rear end thermometric fibre core to be continued, be placed in respectively in the protective casing of thermometric fibre core, realizes front end thermometric fibre core and rear end thermometric fibre core electrical connection to be continued;
Then thermometric fibre core protective casing, fibre junction pallet and taper are all wound around sealing with insulating tape, and most external wraps with copper shell and heat-shrinkable T bush.
4. the connecting method of the built-in temperature measuring optical cable of intelligent cable according to claim 3, is characterized in that: described thermometric fibre core protective casing is insulation flexible material; Described fibre junction pallet is insulating material.
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| CN201310511189.6A CN103531275A (en) | 2013-10-25 | 2013-10-25 | Built-in temperature-measuring optical fiber cables of intelligent cable and splicing method of built-in temperature-measuring optical fiber cables |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103941368A (en) * | 2014-04-30 | 2014-07-23 | 武汉理工光科股份有限公司 | Connection method for improving tension resistance of connected cables and connection structure |
| CN105140728A (en) * | 2015-09-17 | 2015-12-09 | 南方电网科学研究院有限责任公司 | Cable connector and cable connector temperature-measuring system |
| CN105186438A (en) * | 2015-09-22 | 2015-12-23 | 内蒙古包钢钢联股份有限公司 | Power cable intermediate connector sealing device |
| CN105911663A (en) * | 2016-06-16 | 2016-08-31 | 国家电网公司 | Transformer substation OPGW terminal reserved cable and manufacturing method thereof |
| CN108767803A (en) * | 2018-07-26 | 2018-11-06 | 中国石油大学胜利学院 | A kind of bracing means avoiding tieing damage among cable |
| CN112363283A (en) * | 2020-10-27 | 2021-02-12 | 杭州山旭光电有限公司 | Crossed optical cable suitable for distributed optical fiber temperature measurement of electrolytic aluminum tank body and installation method |
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| CN202159530U (en) * | 2011-07-26 | 2012-03-07 | 远东电缆有限公司 | Ultrahigh pressure intelligent photoelectric composite cable |
| CN102368404A (en) * | 2011-10-21 | 2012-03-07 | 乐星红旗电缆（湖北）有限公司 | Fiber composite high voltage power cable |
| CN203631149U (en) * | 2013-10-25 | 2014-06-04 | 上海司态光纤传感技术咨询服务有限公司 | Built-in temperature-measuring optical cable of intelligent cable |
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| JP2000299025A (en) * | 1999-04-15 | 2000-10-24 | Fujikura Ltd | Optical fiber composite power cable |
| CN201311507Y (en) * | 2008-11-13 | 2009-09-16 | 北京兴迪仪器有限责任公司 | Built-in temperature-detecting optical cable |
| CN202159530U (en) * | 2011-07-26 | 2012-03-07 | 远东电缆有限公司 | Ultrahigh pressure intelligent photoelectric composite cable |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103941368A (en) * | 2014-04-30 | 2014-07-23 | 武汉理工光科股份有限公司 | Connection method for improving tension resistance of connected cables and connection structure |
| CN103941368B (en) * | 2014-04-30 | 2016-08-24 | 武汉理工光科股份有限公司 | Improve connecting method and the structure thereof of splicing cables resistance to tension |
| CN105140728A (en) * | 2015-09-17 | 2015-12-09 | 南方电网科学研究院有限责任公司 | Cable connector and cable connector temperature-measuring system |
| CN105186438A (en) * | 2015-09-22 | 2015-12-23 | 内蒙古包钢钢联股份有限公司 | Power cable intermediate connector sealing device |
| CN105911663A (en) * | 2016-06-16 | 2016-08-31 | 国家电网公司 | Transformer substation OPGW terminal reserved cable and manufacturing method thereof |
| CN105911663B (en) * | 2016-06-16 | 2022-05-10 | 国家电网公司 | Substation OPGW terminal reserved cable and manufacturing method thereof |
| CN108767803A (en) * | 2018-07-26 | 2018-11-06 | 中国石油大学胜利学院 | A kind of bracing means avoiding tieing damage among cable |
| CN108767803B (en) * | 2018-07-26 | 2023-11-28 | 中国石油大学胜利学院 | Reinforcing apparatus for avoiding damage of cable intermediate joint |
| CN112363283A (en) * | 2020-10-27 | 2021-02-12 | 杭州山旭光电有限公司 | Crossed optical cable suitable for distributed optical fiber temperature measurement of electrolytic aluminum tank body and installation method |
| CN112363283B (en) * | 2020-10-27 | 2023-03-21 | 杭州山旭光电有限公司 | Crossed optical cable suitable for distributed optical fiber temperature measurement of electrolytic aluminum tank body and installation method |
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Application publication date: 20140122 |