CN204257261U - A kind of composite medium-pressure cable - Google Patents
A kind of composite medium-pressure cable Download PDFInfo
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- CN204257261U CN204257261U CN201420471789.4U CN201420471789U CN204257261U CN 204257261 U CN204257261 U CN 204257261U CN 201420471789 U CN201420471789 U CN 201420471789U CN 204257261 U CN204257261 U CN 204257261U
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Abstract
The utility model discloses a kind of composite medium-pressure cable, described composite medium-pressure cable comprises into cable core, and be successively set on the outer field high flame retardant band of described one-tenth cable core, armour and oversheath, described one-tenth cable core by master core, single-mode optics unit, multimode light unit stranding is stranded forms, and is filled with filler between described one-tenth cable core and described high flame retardant band.By this composite medium-pressure cable, cable useful life and reliability can be improved, and make composite medium-pressure cable have excellent economy.
Description
Technical field
The utility model relates to cable technology, particularly a kind of composite medium-pressure cable.
Background technology
At present, China has become maximum electric wire manufacturing nation, and 2013 annual value of production surpass 1.3 trillion yuan.Copper core cable widely uses at power domain, and copper material accounts for electric wire production cost 70% ~ 80%, and China's year copper consumption, more than 5,000,000 tons, accounts for 60% of internal copper consumption.The reserves of copper in the earth's crust are less than 0.01%, and China is the country of a typical case " the poor copper of rich aluminium ", the copper Resource Dependence import of current China more than 60%, and copper processing can be in any more, makes the cost of manufacture of cable enterprise too high.
In order to reduce the consumption to copper resource, in the manufacture of cable, aluminium core can replace copper core, and the conductor as cable uses, but aluminium cable easily produces creep, the centre of cable and terminal fitting contact resistance is increased, causes cable fault to occur.
In addition, under the environment that countries in the world intelligent grid is built, " safety requirements " and " energy fast detecting, location and isolated fault when fault occurs, and fast recovery of power supply " is one of key point of intelligent grid construction.Current employing optical fiber composite medium-pressure cable, namely can make cable possess effect of power cable, also has photoelectricity, Signal transmissions effect simultaneously.But in existing composite medium-pressure cable, Communication ray unit only adopts generally strengthens structure, therefore to bear tension force limited for Communication ray unit, strictly need control tension force during stranding, thus add the difficulty of installing and using, also reduce useful life and the reliability of cable.
Utility model content
The utility model provides a kind of composite medium-pressure cable, for solve prior art composite medium-pressure cable in bear the problem of tension force limited caused reduction cable useful life and reliability due to Communication ray unit.
In order to realize above-mentioned utility model object, the utility model provides a kind of composite medium-pressure cable, described composite medium-pressure cable comprises into cable core, and be successively set on the outer field high flame retardant band of described one-tenth cable core, armour and oversheath, described one-tenth cable core by master core, single-mode optics unit, multimode light unit stranding is stranded forms, and is filled with filler between described one-tenth cable core and described high flame retardant band.
Preferably, described master core is by aluminium alloy conductor and be successively set on the outer field conductor shield of described aluminium alloy conductor, crosslinked polyetylene insulated layer, insulation screen and metal screen layer and form.
Preferably, described aluminium alloy conductor is creep resistant aluminium alloy conductor.
Preferably, described single-mode optics unit is by single mode loose tube fiber and be successively set on described single mode loose tube fiber outer field spirality metal band lock armo layer, aramid yarn reinforcing element and PVC sheath and form.
Preferably, described multimode light unit is by tightly overlapping multimode fiber and spirality metal band armour, aramid yarn reinforcing element and the PVC sheath be successively set on outside the outer field tight cover multimode fiber of described tight cover multimode fiber formed.
Preferably, the quantity of described master core is 3.
Preferably, the quantity of described single-mode optics unit is 1.
Preferably, the quantity of described multimode light unit is 1.
Preferably, described armour is specially S type nonmagnetic metal band lock armo layer.
Preferably, described restrictive coating is specially the termite-proof halogen-free anti-flaming polyolefin restrictive coating of protection against rodents.
The beneficial effects of the utility model comprise:
First, the composite medium-pressure cable that the utility model embodiment provides is a kind of Intelligent aluminum alloy resistant aluminum alloy conductor medium, both compound single-mode optics unit in this composite medium-pressure cable, compound multimode light unit again, light harvesting cable, electric power transmission cable, achieve power line, telephone wire, broadband, the single groove laying of cable TV four line integration, avoid secondary wiring, reduce operating expenses, networking expense is low; Simultaneously using multimode light unit as the perception of cable temperature and transmission medium, can the temperature parameter of monitoring cable in conjunction with distributed optical fiber sensing technology, circuit is monitored in real time, thus early warning is carried out to the safe operation of cable, improve the reliability that cable uses.
Secondly, in the utility model embodiment, adopt creep resistant aluminium alloy conductor as the conductor material of master core, for creep resistant aluminium alloy conductor, its 100h creep strain is 0.428%, and for traditional aluminum for electric engineering conductor, its 100h creep strain is 1.705%, creep-resistant property and the aluminum for electric engineering conductor of creep resistant aluminium alloy conductor comparatively speaking improve 3 times, the potential safety hazard that elimination cable in use causes because of creep and accident; Secondly, the mechanical performance of creep resistant aluminium alloy cable is better, and its conductor tensile strength, elongation can improve about 30%, and aluminium alloy is higher than copper pliability, least lower than copper by about 40%; In addition, the conduction economy of creep resistant aluminium alloy cable excellence, and creep resistant aluminium alloy cable is lightweight.
Finally, because the lightweight and armour of creep resistant aluminium alloy cable adopts S type nonmagnetic metal band lock armo layer, have better bending property, can crane span structure be saved and directly use suspension bracket or clamp installation instead, under the prerequisite realizing the electric property identical with copper core cable, integrated cost reduces about 30% than copper core cable, and the composite medium-pressure cable that therefore the utility model embodiment provides has excellent economy.
Accompanying drawing explanation
The structural representation of a kind of composite medium-pressure cable that Fig. 1 provides for the utility model embodiment.
Embodiment
For making those skilled in the art understand the technical solution of the utility model better, below in conjunction with accompanying drawing, the composite medium-pressure cable that the utility model embodiment provides is described in detail.
Referring to Fig. 1, is the structural representation of a kind of composite medium-pressure cable that the utility model embodiment provides.As shown in Figure 1, this composite medium-pressure cable comprises into cable core, and be successively set on the outer field high flame retardant band 7 of described one-tenth cable core, armour 9 and oversheath 10, described one-tenth cable core by master core, single-mode optics unit, multimode light unit stranding is stranded forms, and is filled with filler 6 between described one-tenth cable core and described high flame retardant band.In addition, inner covering 8 can be provided with between high flame retardant band 7 and armour 9.
Preferably, in the one-tenth cable core of the present embodiment, the quantity of described master core is 3, and the quantity of described single-mode optics unit is 1, and the quantity of described multimode light unit is 1.3 master cores are triangularly arranged together, and single-mode optics unit and multimode light unit are separately positioned in the gap outside adjacent two master cores.By this vibrational power flow, make the layout of master core and single-mode optics unit and multimode light unit comparatively compact, become the sectional area of cable core less.By this vibrational power flow, make the layout of master core and single-mode optics unit and multimode light unit comparatively compact, become the sectional area of cable core less, Communication ray unit can be improved and bear tension force, and improve the problem of cable useful life and reliability.
The composite medium-pressure cable that the utility model embodiment provides is a kind of Intelligent aluminum alloy resistant aluminum alloy conductor medium, both single-mode optics unit had been compounded with in this composite medium-pressure cable, be compounded with again multimode light unit, wherein, single-mode optics unit is Communication ray unit, for the transmission of information, by compound single-mode optics unit, achieve light harvesting cable, electric power transmission cable, achieve power line, telephone wire, broadband, the single groove laying of cable TV four line integration, avoid secondary wiring, reduce operating expenses, networking expense is low; Simultaneously, using the multimode fiber in multimode light unit as the perception of cable temperature and transmission medium, can the temperature parameter of monitoring cable in conjunction with distributed optical fiber sensing technology, circuit is monitored in real time, thus early warning is carried out to the safe operation of cable, improve the reliability that cable uses.
As shown in Figure 1, in the composite medium-pressure cable that the utility model embodiment provides, master core is by aluminium alloy conductor 1 and be successively set on the outer field conductor shield of described aluminium alloy conductor 12, crosslinked polyetylene insulated layer 3, insulation screen 4 and metal screen layer 5 and form.Wherein, described aluminium alloy conductor 1 is creep resistant aluminium alloy conductor.
In the utility model embodiment, adopt creep resistant aluminium alloy conductor as the conductor material of master core, for creep resistant aluminium alloy conductor, its 100h creep strain is 0.428%, and for traditional aluminum for electric engineering conductor, its 100h creep strain is 1.705%, and creep-resistant property and the aluminum for electric engineering conductor of creep resistant aluminium alloy conductor comparatively speaking improve 3 times, the potential safety hazard that elimination cable in use causes because of creep and accident; Secondly, the mechanical performance of creep resistant aluminium alloy cable is better, and its conductor tensile strength, elongation can improve about 30%, and aluminium alloy is higher than copper pliability, least lower than copper by about 40%; In addition, the conduction economy of creep resistant aluminium alloy cable excellence, and creep resistant aluminium alloy cable is lightweight.
Described single-mode optics unit is by single mode loose tube fiber 11 and be successively set on described single mode loose tube fiber 11 outer field spirality metal band lock armo layer 12, aramid yarn reinforcing element 13 and PVC sheath 14 and form.Described multimode light unit is by tightly overlapping multimode fiber 15 and spirality metal band armour 16, aramid yarn reinforcing element 17 and the PVC sheath 18 be successively set on outside described tight cover multimode fiber 15 formed.
In the utility model embodiment, preferably, described armour 9 is specially S type nonmagnetic metal band lock armo layer.Compared with traditional flat rubber belting shielded version, there is excellent anti-extrusion, impact property, make the bending property of cable better simultaneously, be convenient to mounting and installation, therefore can improve the reliability of armour.Preferably, described restrictive coating 10 is specially the termite-proof halogen-free anti-flaming polyolefin restrictive coating of protection against rodents.In addition, different according to environment for use, restrictive coating 10 can select the polyvinyl chloride oversheath of flame retardant type, cold resisting type, UV resistant type or anticorrosion type, or waterproof, cold tolerance excellence outer protective polyethylene cover in one.
In the utility model embodiment, because the lightweight and armour of creep resistant aluminium alloy cable adopts S type nonmagnetic metal band lock armo layer, have better bending property, can crane span structure be saved and directly use suspension bracket or clamp installation instead, when realizing the electric property identical with existing copper core cable, integrated cost reduces about 30% than copper core cable, and the composite medium-pressure cable that therefore the utility model embodiment provides has excellent economy.
Be understandable that, the illustrative embodiments that above execution mode is only used to principle of the present utility model is described and adopts, but the utility model is not limited thereto.For those skilled in the art, when not departing from spirit of the present utility model and essence, can make various modification and improvement, these modification and improvement are also considered as protection range of the present utility model.
Claims (10)
1. a composite medium-pressure cable, it is characterized in that, described composite medium-pressure cable comprises into cable core, and be successively set on the outer field high flame retardant band of described one-tenth cable core, armour and oversheath, described one-tenth cable core by master core, single-mode optics unit, multimode light unit stranding is stranded forms, and is filled with filler between described one-tenth cable core and described high flame retardant band.
2. composite medium-pressure cable as claimed in claim 1, it is characterized in that, described master core is by aluminium alloy conductor and be successively set on the outer field conductor shield of described aluminium alloy conductor, crosslinked polyetylene insulated layer, insulation screen and metal screen layer and form.
3. composite medium-pressure cable as claimed in claim 2, it is characterized in that, described aluminium alloy conductor is creep resistant aluminium alloy conductor.
4. composite medium-pressure cable as claimed in claim 1, it is characterized in that, described single-mode optics unit is by single mode loose tube fiber and be successively set on described single mode loose tube fiber outer field spirality metal band lock armo layer, aramid yarn reinforcing element and PVC sheath and form.
5. composite medium-pressure cable as claimed in claim 1, it is characterized in that, described multimode light unit is by tightly overlapping multimode fiber and spirality metal band armour, aramid yarn reinforcing element and the PVC sheath be successively set on outside the outer field tight cover multimode fiber of described tight cover multimode fiber formed.
6. composite medium-pressure cable as claimed in claim 1, it is characterized in that, the quantity of described master core is 3.
7. composite medium-pressure cable as claimed in claim 1, it is characterized in that, the quantity of described single-mode optics unit is 1.
8. composite medium-pressure cable as claimed in claim 1, it is characterized in that, the quantity of described multimode light unit is 1.
9. composite medium-pressure cable as claimed in claim 1, it is characterized in that, described armour is specially S type nonmagnetic metal band lock armo layer.
10. composite medium-pressure cable as claimed in claim 1, it is characterized in that, described restrictive coating is specially the termite-proof halogen-free anti-flaming polyolefin restrictive coating of protection against rodents.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420471789.4U CN204257261U (en) | 2014-08-18 | 2014-08-18 | A kind of composite medium-pressure cable |
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| CN201420471789.4U CN204257261U (en) | 2014-08-18 | 2014-08-18 | A kind of composite medium-pressure cable |
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| CN204257261U true CN204257261U (en) | 2015-04-08 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104882221A (en) * | 2015-05-27 | 2015-09-02 | 北京亨通斯博通讯科技有限公司 | Electric vehicle charging pile cable |
| CN107845445A (en) * | 2017-11-27 | 2018-03-27 | 深圳市特发信息股份有限公司 | A kind of optical fiber composite medium-pressure cable and cable In-Line Temperature Measure System |
| CN108027486A (en) * | 2015-08-11 | 2018-05-11 | 康宁光电通信有限责任公司 | Fiber optic cables |
| WO2020093440A1 (en) * | 2018-11-09 | 2020-05-14 | 江苏亨通电力电缆有限公司 | Optical fiber composite fireproof cable and intelligent early warning communication device |
| CN111968784A (en) * | 2020-08-21 | 2020-11-20 | 安徽凯诺电缆科技有限公司 | Optical fiber composite medium-voltage cable and preparation method thereof |
-
2014
- 2014-08-18 CN CN201420471789.4U patent/CN204257261U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104882221A (en) * | 2015-05-27 | 2015-09-02 | 北京亨通斯博通讯科技有限公司 | Electric vehicle charging pile cable |
| CN108027486A (en) * | 2015-08-11 | 2018-05-11 | 康宁光电通信有限责任公司 | Fiber optic cables |
| US10534149B2 (en) | 2015-08-11 | 2020-01-14 | Corning Optical Communications LLC | Optical fiber cable |
| CN107845445A (en) * | 2017-11-27 | 2018-03-27 | 深圳市特发信息股份有限公司 | A kind of optical fiber composite medium-pressure cable and cable In-Line Temperature Measure System |
| WO2020093440A1 (en) * | 2018-11-09 | 2020-05-14 | 江苏亨通电力电缆有限公司 | Optical fiber composite fireproof cable and intelligent early warning communication device |
| CN111968784A (en) * | 2020-08-21 | 2020-11-20 | 安徽凯诺电缆科技有限公司 | Optical fiber composite medium-voltage cable and preparation method thereof |
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