CN105244110A - Novel optical fiber composite low-voltage cable and manufacturing method thereof - Google Patents
Novel optical fiber composite low-voltage cable and manufacturing method thereof Download PDFInfo
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- CN105244110A CN105244110A CN201510727865.2A CN201510727865A CN105244110A CN 105244110 A CN105244110 A CN 105244110A CN 201510727865 A CN201510727865 A CN 201510727865A CN 105244110 A CN105244110 A CN 105244110A
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Abstract
The invention provides a novel optical fiber composite low-voltage cable (OPLC) and a manufacturing method thereof. The novel optical fiber composite low-voltage cable comprise an insulating micro tube with an embedded pulling rope; and the pulling rope is used for pulling a connected fiber from one end of the insulating micro tube to the other end. According to the invention, a phenomenon that an exposed fiber unit is easy to damage in an existing construction environment can be avoided; wasting of precious metal is reduced; and the construction cost of the intelligent power grid is lowered. Meanwhile, the principle of strong-weak power working separation is met; and after implementation of strong-power working of the cable unit of the OPLC, continuous weak-power maintenance working of the cable unit can be carried out independently and the field construction principle of strong power working before weak power working can be implemented well.
Description
Technical field
The present invention relates to optical fiber low-voltage composite cable field, particularly relate to novel optical fiber composite low-voltage cable and manufacture method thereof.
Background technology
Optical fiber low-voltage composite cable (OpticalFiberCompositeLow-voltageCable, OPLC) optical-fibre communications and electric power transfer function and service are entered in same cable, promote synchronously registering one's residence of information and electric energy, significantly can reducing the construction costs compared to laying optical cable and cable respectively, avoid secondary to construct the wasting of resources caused.
Due to the needs of fibre junction, so when designing the length of OPLC, every section all needs the remaining length increasing certain length (about about 5 meters) again.At the scene in construction, forceful electric power workmen to continue the copper conductor of Yu Changzhong, for fibre junction for light current workmen amputates this section.But the amputation of copper conductor makes exposed fiber unit very easily impaired in the construction of cable forceful electric power without the protection of peripheral cable unit, also directly results in the waste of precious metal, have impact on on-the-spot efficiency of construction and quality simultaneously.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide novel optical fiber composite low-voltage cable and manufacture method thereof, for solving the problems such as the fiber unit caused after long amputation more than OPLC in prior art is easily damaged, precious metal is wasted, strong and weak electricity construction interface is unclear.
For achieving the above object and other relevant objects, the invention provides novel optical fiber composite low-voltage cable, comprising: the insulation microtubule being embedded with pull rope, described pull rope is used for the optical fiber of connection to lead from one end of described insulation microtubule into the other end.
Optionally, the inwall of described insulation microtubule is shiny surface.
Optionally, described insulation microtubule is made up of thermoplastic macromolecule resin's material.
Optionally, when comprising the copper conductor of many mutually insulateds, described insulation microtubule is placed in the center between the copper conductor of described many mutually insulateds.
Optionally, also comprise the bundle pipes for placing many described insulation microtubules, described bundle pipes is made up of thermoplastic macromolecule resin's material.
Optionally, described pull rope is made up of Kafra fiber material.
Optionally, the length of described pull rope is more than or equal to the length of described insulation microtubule.
Optionally, described pull rope is connected with described optical fiber by tow attachment.
Optionally, described optical fiber is tightly packaged fiber.
For achieving the above object and other relevant objects, the present invention is also provided for the method manufacturing novel optical fiber composite low-voltage cable, comprising: the insulation microtubule being embedded with pull rope is placed in optical fiber composite low-voltage cable.
As mentioned above, novel optical fiber composite low-voltage cable of the present invention and manufacture method thereof, have following beneficial effect: (1) is avoided the amputation of copper conductor in OPLC and makes exposed fiber unit impaired.(2) decrease the waste of precious metal, reduce the construction cost of intelligent grid.(3) meet the principle that strong and weak electricity operation is separated, after the cable unit forceful electric power operation implementing OPLC, the light current that independently can carry out optical cable unit continues upkeep operation, is conducive to the site operation principle implementing " after first forceful electric power light current ".
Accompanying drawing explanation
Fig. 1 is shown as the novel optical fiber composite low-voltage cable schematic diagram in one embodiment of the invention.
Fig. 2 is shown as the novel optical fiber composite low-voltage cable schematic diagram in another embodiment of the present invention.
Element numbers explanation
1 insulation outer jacket
2 packed layers
3 copper conductors
4 insulation microtubules
5 pull ropes
6 bundle pipes
Embodiment
Below by way of specific instantiation, embodiments of the present invention are described, those skilled in the art the content disclosed by this specification can understand other advantages of the present invention and effect easily.The present invention can also be implemented or be applied by embodiments different in addition, and the every details in this specification also can based on different viewpoints and application, carries out various modification or change not deviating under spirit of the present invention.It should be noted that, when not conflicting, the feature in following examples and embodiment can combine mutually.
It should be noted that, the diagram provided in following examples only illustrates basic conception of the present invention in a schematic way, then only the assembly relevant with the present invention is shown in graphic but not component count, shape and size when implementing according to reality is drawn, it is actual when implementing, and the kenel of each assembly, quantity and ratio can be a kind of change arbitrarily, and its assembly layout kenel also may be more complicated.
Refer to Fig. 1, optical fiber composite low-voltage cable (OPLC) is general all by the copper conductor 3 of insulation outer jacket 1, mutually insulated, the packed layer 3 between insulating outer protective cover 1 and copper conductor 3, and is placed in inner fiber unit composition.Unlike, novel optical fiber composite low-voltage cable provided by the invention, do not comprise the fiber unit be embedded in wherein, but comprise: the insulation microtubule 4 being embedded with pull rope 5, pull rope 5 for follow-up by the optical fiber of connection from insulation microtubule 4 one end lead into, until the other end involves, to avoid the copper conductor that will amputate length in reserve in existing construction, save precious metal and construction cost, it also avoid the problem that strong and weak electricity operation interface is unclear simultaneously.Preferably, for convenience of artificial traction, the length of pull rope 5 is more than or equal to the length of insulation microtubule 4.
Preferably, pull rope 5 is made up of Kafra fiber material, is connected with optical fiber by a tow attachment, ensure that carrying out smoothly of traction.The structure of tow attachment generally comprises the draw ring be connected with pull rope 4, and can reverse with draw ring the optical fiber clamping portion be connected, its area of section is less than the area of section of insulation microtubule 4 cavity, making can be mobile in insulation microtubule 4, and prevents the damage that the torsion in distraction procedure may cause optical fiber.On-the-spot in cable construction, realize optical fiber by artificial mode of traction and import.This method is easy and simple to handle, and, microtubule deformation little by insulation microtubule caliber and OPLC bend the factors such as vertical run to be affected little, without the need to increasing extra site operation equipment or specialized personnel.
Preferably, insulation microtubule 4 is made up of thermoplastic macromolecule resin's material, and its inwall is shiny surface.Due to pre-buried insulation microtubule in the cable, the lateral compression power of thousands of newton will be born in cables manufacturing and laid processes, so first the Material selec-tion that high strength is pre-buried type insulation microtubule needs the characteristic index considered.In the load operation of YJV type lv power cable, cable inside can be in the hot environment of 90 DEG C for a long time, the material temperature characteristic of pre-buried type insulation microtubule 4, ensure that under this temperature environment not soft sticky not indeformable.In addition, OPLC requires that optical cable unit is wherein non-fiber ointment type, the material behavior of insulation microtubule 4 ensure that shaping after inside pipe wall be smooth smooth, guarantee that follow-up field optical fibers traction and excess fiber length store smooth.It should be noted that, the anti-side that the macromolecule resin material insulation microtubule 4 in the present embodiment has resistance to 120 DEG C of long term high temperatures and >=2000N/mm reaches the performance index of the metal coating armour pipe in outdoor type communications optical cable to the characteristic of extruding force.Meanwhile, the smooth stream of inside pipe wall is suitable, and the oil-filled cream pine reached in existing outdoor type communications optical cable overlaps beam tube to the protected effect of more than 3 ‰ long optical fibers.
It should be noted that, when novel optical fiber composite low-voltage cable of the present invention comprises the copper conductor 3 of many mutually insulateds, insulation microtubule 4 is preferably placed in the center between the copper conductor 3 of many mutually insulateds, with uniform force, forms protection.
It should be noted that, draw the optical fiber of OPLC to the application and be preferably tightly packaged fiber, comprise extra large emerald green type tightly packaged fiber etc., there is high strength, resistant to elevated temperatures characteristic, so that huge pulling force can be born in distraction procedure, and, can long-term work in the hot environment of 90 DEG C.
Refer to Fig. 2; novel optical fiber composite low-voltage cable of the present invention also comprises a bundle pipes 6, can be made up of thermoplastic macromolecule resin's material, for placing the edge microtubule 4 that thoroughly does away with to form isolation and protection more; lay density with what strengthen optical fiber, improve the utilance of bundle pipes pipeline.
In addition, the present invention also provides a kind of method for the manufacture of novel optical fiber composite low-voltage cable, mainly comprises: the insulation microtubule 4 being embedded with pull rope 5 is placed in existing optical fiber composite low-voltage cable, forms the OPLC being embedded with insulation microtubule 4.
In cable laying job site, the forceful electric power operation that first can complete this New O PLC by forceful electric power workmen by the construction maintenance mode of existing normal cable is installed, as the stripping of cable socket and copper conductor jiont treatment etc. (once constructing).Then, light current workmen is by being embedded in this New O PLC the pull rope 5 of the microtubule 4 that insulate, long more than the actual fiber unit continuing required according to light path, by the optical fiber of corresponding length by the one end of the microtubule 4 that insulate lead into, the other end involves, the length that reserves is needed, to complete the installation and maintenance work (secondary construction) of the light current operations such as fibre junction joint making until the length involved is actual fiber unit.
In sum, novel optical fiber composite low-voltage cable of the present invention and manufacture method thereof, avoid in existing construction environment, the situation that exposed fiber unit is very easily impaired, decrease the waste of precious metal, reduce the construction cost of intelligent grid, simultaneously, meet the principle that strong and weak electricity operation is separated, effectively overcome various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (10)
1. a novel optical fiber composite low-voltage cable, is characterized in that, comprising: the insulation microtubule being embedded with pull rope, and described pull rope is used for the optical fiber of connection to lead from one end of described insulation microtubule into the other end.
2. novel optical fiber composite low-voltage cable according to claim 1, is characterized in that, the inwall of described insulation microtubule is shiny surface.
3. novel optical fiber composite low-voltage cable according to claim 1, is characterized in that, described insulation microtubule is made up of thermoplastic macromolecule resin's material.
4. novel optical fiber composite low-voltage cable according to claim 1, is characterized in that, when comprising the copper conductor of many mutually insulateds, described insulation microtubule is placed in the center between the copper conductor of described many mutually insulateds.
5. novel optical fiber composite low-voltage cable according to claim 1, is characterized in that, also comprise the bundle pipes for placing many described insulation microtubules, described bundle pipes is made up of thermoplastic macromolecule resin's material.
6. novel optical fiber composite low-voltage cable according to claim 1, is characterized in that, described pull rope is made up of Kafra fiber material.
7. novel optical fiber composite low-voltage cable according to claim 1, is characterized in that, the length of described pull rope is more than or equal to the length of described insulation microtubule.
8. novel optical fiber composite low-voltage cable according to claim 1, is characterized in that, described pull rope is connected with described optical fiber by tow attachment.
9. novel optical fiber composite low-voltage cable according to claim 1, is characterized in that, described optical fiber is tightly packaged fiber.
10. manufacture a method for novel optical fiber composite low-voltage cable, it is characterized in that, be applied to novel optical fiber composite low-voltage cable as claimed in any one of claims 1-9 wherein, comprise: the insulation microtubule being embedded with pull rope is placed in optical fiber composite low-voltage cable.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510727865.2A CN105244110A (en) | 2015-10-30 | 2015-10-30 | Novel optical fiber composite low-voltage cable and manufacturing method thereof |
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| CN201510727865.2A CN105244110A (en) | 2015-10-30 | 2015-10-30 | Novel optical fiber composite low-voltage cable and manufacturing method thereof |
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| CN105244110A true CN105244110A (en) | 2016-01-13 |
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| CN201510727865.2A Pending CN105244110A (en) | 2015-10-30 | 2015-10-30 | Novel optical fiber composite low-voltage cable and manufacturing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112420261A (en) * | 2020-11-17 | 2021-02-26 | 通鼎互联信息股份有限公司 | Reserved power cable and preparation method thereof |
| CN112735645A (en) * | 2020-12-31 | 2021-04-30 | 通鼎互联信息股份有限公司 | Novel pre-buried formula photoelectric cables |
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| CN201255781Y (en) * | 2008-09-09 | 2009-06-10 | 特恩驰(南京)光纤有限公司 | High optical fiber density fine cord suitable for blowing laid |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112735645A (en) * | 2020-12-31 | 2021-04-30 | 通鼎互联信息股份有限公司 | Novel pre-buried formula photoelectric cables |
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Effective date of registration: 20160419 Address after: 200072 room 901-4, No. 912 new road, Zhabei District, Shanghai Applicant after: Shanghai Ouyi Intelligent Network Co., Ltd. Applicant after: State Grid Shanghai Municipal Electric Power Company Address before: 200002 Nanjing East Road, Shanghai, No. 181, No. Applicant before: State Grid Shanghai Municipal Electric Power Company |
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Address after: 200072 room 901-4, No. 912 new road, Zhabei District, Shanghai Applicant after: Shanghai Ou Yi Energy Technology Co., Ltd. Applicant after: State Grid Shanghai Municipal Electric Power Company Address before: 200072 room 901-4, No. 912 new road, Zhabei District, Shanghai Applicant before: Shanghai Ouyi Intelligent Network Co., Ltd. Applicant before: State Grid Shanghai Municipal Electric Power Company |
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Application publication date: 20160113 |
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| RJ01 | Rejection of invention patent application after publication |