CN205450377U - Prefabricated optical cable of dot matrix - Google Patents
Prefabricated optical cable of dot matrix Download PDFInfo
- Publication number
- CN205450377U CN205450377U CN201521133015.1U CN201521133015U CN205450377U CN 205450377 U CN205450377 U CN 205450377U CN 201521133015 U CN201521133015 U CN 201521133015U CN 205450377 U CN205450377 U CN 205450377U
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- CN
- China
- Prior art keywords
- lock pin
- optical cable
- end lock
- dot matrix
- head end
- 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.)
- Expired - Fee Related
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- 230000003287 optical effect Effects 0.000 title claims abstract description 79
- 239000011159 matrix material Substances 0.000 title claims abstract description 30
- 238000000465 moulding Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 12
- 230000008901 benefit Effects 0.000 abstract description 7
- 239000000835 fiber Substances 0.000 abstract description 6
- 238000003780 insertion Methods 0.000 abstract description 6
- 230000037431 insertion Effects 0.000 abstract description 6
- 239000000919 ceramic Substances 0.000 abstract description 5
- 230000004927 fusion Effects 0.000 abstract description 3
- 238000012913 prioritisation Methods 0.000 description 9
- 238000003466 welding Methods 0.000 description 9
- 239000013307 optical fiber Substances 0.000 description 7
- 230000007423 decrease Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000010923 batch production Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007526 fusion splicing Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004018 waxing Methods 0.000 description 1
Abstract
The utility model provides a prefabricated optical cable of dot matrix, its characterized in that: including the optical cable, the pilot pin, public head end lock pin, female head end lock pin and fixing base, pilot pin and optical cable be one end fixed connection wherein, be equipped with the plug in the pilot pin, the plug passes public head end lock pin just rather than fixed connection, the outer terminal surface of public head end lock pin lies in the coplanar with the outer terminal surface of this end of optical cable, optical cable other end fixedly connected with and the female head end lock pin of pilot pin matched with, the outer terminal surface of female head end lock pin lies in the coplanar with the outer terminal surface of this end of optical cable, the fixing base is inside be equipped with with public head end lock pin, female head end lock pin and fixing base complex cavity. The utility model relates to a prefabricated optical cable of dot matrix had both overcome the shortcoming of the on -the -spot butt fusion construction of optical cable, and it is not enough to have overcome the prefabricated connector of ceramic contact pin again, have small, the optic fibre closeness high, connect and insert convenience, insertion loss low grade advantage.
Description
Technical field
This utility model relates to distribution preventer field, specifically, relating to a kind of dot matrix prefabricated optical cable.
Background technology
Along with intelligent substation construction is accelerated, optical cable consumption increases, in state's net system, transformer station uses Intelligent transformer station the most comprehensively at present, and communication uses optical cable transmission in Intelligent transformer station, continuing and being divided into prefabricated two kinds of welding, little core amount of optical cable, owing to fusion bonding process is numerous and diverse, professional extra-high, welding personnel, fusion splicing machines and the test instrunment of specialty need to be equipped with, fusion joining process shortcoming:
1. splice loss, splice attenuation is relatively small relatively；
2. holistic cost and single average unit cost are the highest；
3. make numerous and diverse:
4. the time is long:
5. welding casing is long-pending the biggest:
6. safeguard and reprocess difficulty:
Hold concurrently in above reason, some areas have employed prefabricated optical cable, these prefabricated optical cables mostly use 4 cores be one group prefabricated, from theory analysis, the core number of prefabricated a group is the most, and the cost of single will be the lowest, but the product in fact put goods on the market according to families many on market is seen, core number is the most, and single cost is the highest, and this has much relations with the structure of product；The shortcoming of little core amount precasting process:
1. core number is less: within 4 core mutual-inserting type prefabricated optical cables typically can ensure that 0.35dB insertion loss, more than 4 cores, difficulty of processing and production difficulty become geometry level to rise, and insertion loss is the most all at about 1dB；
Prefabricated union joint volumes more than 2.4 cores is relatively big, and 4 core external diameters are about 25mm, and 8 core 12 core diameter of the housing can reach about 40mm.
3. increasing due to the geometry level of metalwork difficulty of processing, product qualified rate also decreases, and causes single average unit cost higher, and on the premise of Insertion Loss meets and requires, the cost of 8 cores is often 2.2 times of 4 cores, the highest surprising of the cost of 12 cores！
Utility model content
The purpose of this utility model is to overcome the weak point of above-mentioned conventional art, it is provided that the dot matrix prefabricated optical cable that a kind of prefabricated, multicore amount, volume are less.
The technical solution of the utility model is:
A kind of dot matrix prefabricated optical cable, it is characterized in that: include optical cable, positioning needle, male end lock pin, female end lock pin and fixing seat, positioning needle is fixing with optical cable wherein one end to be connected, positioning needle is provided with plug, plug is through male end lock pin and is secured to connect, the outer face of male end lock pin is in the same plane with the outer face of this end of optical cable, the optical cable other end is fixedly connected with the female end lock pin matched with positioning needle, the outer face of female end lock pin is in the same plane with the outer face of this end of optical cable, it is provided with and male end lock pin inside fixing seat, the cavity that female end lock pin and fixing seat coordinate.
A kind of concrete prioritization scheme, through hole that male end lock pin is provided with several fixing optical cables and the hole, location coordinated with plug.
A kind of concrete prioritization scheme, through hole that female end lock pin is provided with several fixing optical cables and the hole, location coordinated with plug.
A kind of concrete prioritization scheme, a diameter of 0.1256-0.1258mm of through hole.
A kind of concrete prioritization scheme, a diameter of 0.1257mm of through hole.
A kind of concrete prioritization scheme, it is two and symmetrical that male end lock pin and/or female end lock pin position the quantity in hole.
A kind of concrete prioritization scheme, the volume of male end lock pin and/or female end lock pin is 7 × 2.5 × 4mm.
A kind of concrete prioritization scheme, the area of male end lock pin and/or female end lock pin outer face is 7 × 2.5mm.
A kind of concrete prioritization scheme, male end lock pin and/or female end lock pin are moulding.
A kind of concrete prioritization scheme, positioning needle, male end lock pin are identical with the width of female end lock pin three, and the width of fixing seat internal cavities is identical with the width of positioning needle, male end lock pin and female end lock pin three.
Number of openings on male end lock pin and/or female end lock pin is 2-72, arranges according to certain rules, and diameter is about at about 25mm, and Insertion Loss is less than 0.85dB.
This utility model a kind of dot matrix prefabricated optical cable had both overcome the shortcoming of optical cable scene welding construction, overcame again ceramic contact pin prefabricated connector not enough, had the advantages such as volume is little, optical fiber dense degree high, patch conveniently, insertion loss is low.
The utility model is described in further detail with detailed description of the invention below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model a kind of dot matrix prefabricated optical cable；
Fig. 2 is the schematic diagram after this utility model a kind of dot matrix prefabricated optical cable assembles.
Detailed description of the invention
Embodiment 1: as depicted in figs. 1 and 2, a kind of dot matrix prefabricated optical cable, including optical cable, positioning needle 2, male end lock pin 3, female end lock pin 5 and fixing seat 4, positioning needle 2 is fixing with optical cable wherein one end to be connected, positioning needle 2 is provided with plug, plug is through male end lock pin 3 and is secured to connect, the outer face of male end lock pin 3 is in the same plane with the outer face of this end of optical cable, the optical cable other end is fixedly connected with the female end lock pin 5 matched with positioning needle 2, the outer face of female end lock pin 5 is in the same plane with the outer face of this end of optical cable, fixing seat 4 is internal to be provided with and male end lock pin 3, the cavity that female end lock pin 5 and fixing seat 4 coordinate.
Through hole that male end lock pin 3 is provided with several fixing optical cables and the hole, location coordinated with plug.
Through hole that female end lock pin 5 is provided with several fixing optical cables and the hole, location coordinated with plug.
A diameter of 0.1257mm of through hole.
Positioning the quantity in hole on male end lock pin 3 and/or female end lock pin 5 is two and symmetrical.
The volume of male end lock pin 3 and/or female end lock pin 5 is 7 × 2.5 × 4mm.
The area of male end lock pin 3 and/or female end lock pin 5 outer face is 7 × 2.5mm.
Male end lock pin 3 and/or female end lock pin 5 are moulding.
Positioning needle 2, male end lock pin 3 are identical with the width of female end lock pin 5 three, and the width of fixing seat 4 internal cavities is identical with the width of positioning needle 2, male end lock pin 3 and female end lock pin 5 three.
The manufacture method of optical cable, comprises the following steps:
A. male end lock pin 3, female end lock pin 5 extrude injection mo(u)lding respectively, and the corresponding male end lock pin 3 that inserts of public head-end fiber optic 1, female head-end fiber optic 6 is corresponding inserts female end lock pin 5, makes aperture unified and concentricity is consistent；
B. solidify；
C. cutting fibre, the outer unnecessary optical fiber of work surface cuts off；
D. grind, wax.Work surface is made to possess best bright finish.
Embodiment 2: a kind of dot matrix prefabricated optical cable, a diameter of 0.1256mm of through hole.Remaining content is with embodiment 1.
Embodiment 3: a kind of dot matrix prefabricated optical cable, a diameter of 0.1258mm of through hole.Remaining content is with embodiment 1.
Additionally, in above-described embodiment, for the description of numeral, it is allowed to error in certain limit, rather than proper mathematical definition.
This utility model is to increase for optical cable project amount used by intelligent substation construction period in national system, optical transport requires high present situation, research by mutual-inserting type prefabricated optical cable existing to market, a kind of prefabricated, multicore amount, a kind of dot matrix prefabricated optical cable that volume is less are proposed, a kind of dot matrix prefabricated optical cable achieves the welding of exempting from of job site optical cable and connects, and has the stronger practicality of obvious economy.Realize assembled transformer station " batch production manufacture, Assembling, shortening transformer substation construction duration " this target.
Concrete advantage is as follows:
One, project innovation point
1, dual fixing
The male of a kind of dot matrix prefabricated optical cable and female first pass through fixed bit seat 4 straightening, then use positioning needle 2 spacing, are finally completed blindmate, plug and play.
2, small size, high-density optical-fiber plug-in unit
The male of a kind of dot matrix prefabricated optical cable and female size are respectively 6.6x2.5x3mm, and through-hole diameter is about 0.1257mm, and optical fiber dense degree is high, can accomplish 72 core fibres, thus volume is the least, is 1/4th sizes of ceramic contact pin formula prefabricated optical cable adapter.
3, standardized arrangement, modelling produces
Owing to have employed the fiber arrangement scheme of standardization high density dot matrix, lock pin uses die sinking note to make, and unified modelling produces, and substantially increases success rate and the working (machining) efficiency of lock pin, makes yield rate improve a lot, and quality is the most unified.
4, multicore co-planar contacts
The male of a kind of dot matrix prefabricated optical cable and female lock pin are that extruding is molded, and make aperture unified and concentricity is consistent；Optical fiber insert after again through overcuring, cut fibre, grinding, waxing etc. science and engineering skill, make optical fiber and lock pin on the work surface of same best bright finish, by the straightening of fixing seat 4, positioning needle 2 positions, male and female are identical inserting, the work surface of best bright finish is in close contact, and significantly reduces grafting loss.
2, the benefit that innovation achievement produces:
For the project of optical fiber large usage quantity, should use high density one dot matrix prefabricated optical cable, integrated level is high, and volume is little more, and quality is unified, and dispersion is low, improves construction quality；And decrease the bar number of optical cable, decrease and lay quantity, decrease cost.
This project has a stronger practicality of obvious economy:
1, welding construction is exempted from job site, it is to avoid the impact of peopleware and environment；
2, the optical cable construction duration of more than 30% is shortened；
3, standardized designs, batch production processing can be realized；
4, without ceramic contact pin, it is to avoid the deficiency of ceramic contact pin prefabricated connector.
Popularization and application brief account situation:
This achievement prepares to promote the use of in 110kV Shen man intelligent substation.
Economic and social benefit:
1, economic benefit
About 10 days optical cable construction durations of a general 110kV intelligent substation new construction, optical cable welding counts 1200 points, personnel 4 people.200 yuan/the man day of labour cost, the welding expense of each point of optical cable is 20 yuan.
Optical cable connection charge: 4x10x200+1200x20=32000 (first).
Using this achievement, most 4 days of 110kV intelligent substation optical cable construction duration, personnel 4 people, welding exempted from by optical cable.
Optical cable connection charge: 4x4x200=3200 unit
Summarizing, a 110kV intelligent substation optical cable construction duration shortens 6 days, and expense reduces 2.88 ten thousand yuan.
2, social benefit
The transformator of 2 50MVA of each intelligent station, band load rate takes 0.6, and power factor 0.9, the electricity charge take 0.4 yuan/degree, utilities expense 0.02 yuan/degree.Each intelligent station duration saves 6 days, say, that can shift to an earlier date power supply in 6 days, and 6 days in advance alleviation Ge great electricity consumption enterprises need Voltage force, can provide the electricity of 2x50x6x24=14400MVAh more.
Electricity charge total value is: 14400MVAhx0.6x0.9x0.4=3110.4 10,000,000 yuan；
Utilities expense total value is: 14400MVAhx0.6x0.9x0.02=155.5 10,000,000 yuan.
Claims (10)
1. a dot matrix prefabricated optical cable, it is characterized in that: include optical cable, positioning needle (2), male end lock pin (3), female end lock pin (5) and fixing seat (4), positioning needle (2) is fixing with optical cable wherein one end to be connected, positioning needle (2) is provided with plug, plug is through male end lock pin (3) and is secured to connect, the outer face of male end lock pin (3) is in the same plane with the outer face of this end of optical cable, the optical cable other end is fixedly connected with female end lock pin (5) matched with positioning needle (2), the outer face of female end lock pin (5) is in the same plane with the outer face of this end of optical cable, fixing seat (4) is internal to be provided with and male end lock pin (3), the cavity that female end lock pin (5) and fixing seat (4) coordinate.
A kind of dot matrix prefabricated optical cable the most according to claim 1, it is characterised in that: through hole that male end lock pin (3) is provided with several fixing optical cables and the hole, location coordinated with plug.
A kind of dot matrix prefabricated optical cable the most according to claim 2, it is characterised in that: through hole that female end lock pin (5) is provided with several fixing optical cables and the hole, location coordinated with plug.
A kind of dot matrix prefabricated optical cable the most according to claim 3, it is characterised in that: a diameter of 0.1256-0.1258mm of through hole.
A kind of dot matrix prefabricated optical cable the most according to claim 4, it is characterised in that: a diameter of 0.1257mm of through hole.
A kind of dot matrix prefabricated optical cable the most according to claim 3, it is characterised in that: the quantity in male end lock pin (3) and/or hole, female end lock pin (5) upper location is two and symmetrical.
7. according to one of them described a kind of dot matrix prefabricated optical cable of claim 1-6, it is characterised in that: the volume of male end lock pin (3) and/or female end lock pin (5) is 7 × 2.5 × 4mm.
8. according to one of them described a kind of dot matrix prefabricated optical cable of claim 1-6, it is characterised in that: the area of male end lock pin (3) and/or female end lock pin (5) outer face is 7 × 2.5mm.
9. according to one of them described a kind of dot matrix prefabricated optical cable of claim 1-6, it is characterised in that: male end lock pin (3) and/or female end lock pin (5) they are moulding.
10. according to one of them described a kind of dot matrix prefabricated optical cable of claim 1-6, it is characterized in that: positioning needle (2), male end lock pin (3) are identical with the width of female end lock pin (5) three, the width of fixing seat (4) internal cavities is identical with the width of positioning needle (2), male end lock pin (3) and female end lock pin (5) three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521133015.1U CN205450377U (en) | 2015-12-30 | 2015-12-30 | Prefabricated optical cable of dot matrix |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521133015.1U CN205450377U (en) | 2015-12-30 | 2015-12-30 | Prefabricated optical cable of dot matrix |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205450377U true CN205450377U (en) | 2016-08-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521133015.1U Expired - Fee Related CN205450377U (en) | 2015-12-30 | 2015-12-30 | Prefabricated optical cable of dot matrix |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205450377U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808617A (en) * | 2018-07-03 | 2018-11-13 | 深圳供电局有限公司 | A kind of threephase cable transition joint |
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2015
- 2015-12-30 CN CN201521133015.1U patent/CN205450377U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808617A (en) * | 2018-07-03 | 2018-11-13 | 深圳供电局有限公司 | A kind of threephase cable transition joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20171230 |