CN107785106A - Pre- branch's shell, pre- branch optical fiber composite cable and its manufacture method - Google Patents
Pre- branch's shell, pre- branch optical fiber composite cable and its manufacture method Download PDFInfo
- Publication number
- CN107785106A CN107785106A CN201610715045.6A CN201610715045A CN107785106A CN 107785106 A CN107785106 A CN 107785106A CN 201610715045 A CN201610715045 A CN 201610715045A CN 107785106 A CN107785106 A CN 107785106A
- Authority
- CN
- China
- Prior art keywords
- branch
- optical fiber
- shell
- cable
- insulated wire
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/22—Cables including at least one electrical conductor together with optical fibres
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The present invention provides a kind of pre- branch's shell, and in hollow cavity, cavity opposite end is provided with a pair of through holes, and wherein one end is additionally provided with other at least one through hole, optical fiber fairlead is additionally provided with cavity, cavity is divided into symmetrical two parts.A kind of pre- branch optical fiber composite cable; including pre- branch's shell, main cables and branch cable; pre- bifurcation is surrounded outside pre- branch's shell; a pair of through holes pass through main cables, pass through branch cable at least one through hole in addition, and main cables include insulated wire cores, nonmetallic protection pipe, optical fiber and outer jacket; the optical fiber is surrounded outside the nonmetallic protection pipe; fiber lengths are more than non-metallic pipe length, and optical fiber includes multiple fiber cores, and fiber cores are drawn from optical fiber fairlead；Each phase insulated wire cores of each phase insulated wire cores of branch cable and main cables connect.Pre- branch's shell convenient disassembly, pre- bifurcation breakdown maintenance are convenient.The pre- branch optical fiber composite cable, optical fiber and cable can be drawn from optional position.
Description
Technical field
The invention belongs to field of cable technology, more particularly to a kind of pre- branch's shell, pre- branch optical fiber composite cable and
Its manufacture method.
Background technology
The optical fiber and electric power insulated wire cores of existing optical fiber composite cable can only be drawn from the both ends of cable, can not be in light
Optical fiber and insulated wire cores are drawn in any position of fine composite cable, and especially in skyscraper, traditional fiber composite cable is only
Light (communication signal) and electricity can be led to outside building, intelligent acess special junction box carries out signal transmission, and electric power access is matched somebody with somebody
Electronic box carries out electric energy transmission, but each layer in the inside of building is required for light and electricity, can only light (communication letter in interior of building
Number) electrically separated, the repeated construction of circuit is caused, adds use cost, wastes social resources.
Common pre-branched cable in the prior art be present, the production method for commonly paying branch cable in advance is：Peel leader cable off
Outer jacket and each insulated wire cores insulating barrier, the insulated wire cores of branch cable and each insulated wire cores of leader cable are connected, so
Stripping mouth is wound with insulating tape afterwards, is put into specific injection mold, the plastics that about 165~180 DEG C of implantation temperature, is treated cold
But it is removed from the molds after shaping.
The production method of above-mentioned common pre-branched cable can not be cloned into above optical fiber composite cable, because optical fiber is compound
The material of the optical fiber outer jacket of cable be generally PE (its temperature resistant grade is 70 °, starts softening after 70 ° until melting) 165~
60S~80S will melt in 180 DEG C of temperature, and whole optical fiber will scald disconnected.
In addition, it is to incite somebody to action in any position of optical fiber composite cable extraction optical fiber and insulated wire cores technical difficult points
Optical fiber is drawn, and optical fiber is drawn and following technical barrier be present：1. optical fiber and insulated wire cores are twisted together without remaining length, can not
Ensure fibre-optical splice success, if 2. drawing optical fiber from composite cable, it is necessary to which the outer jacket of cable is splitted, and splits outer
Sheath can not restore.
The content of the invention
In view of the above problems, pre- point of optical fiber and cable can be drawn from optional position it is an object of the invention to provide a kind of
Branch shell, pre- branch optical fiber composite cable and its manufacture method.
According to an aspect of the present invention, there is provided a kind of pre- branch's shell, in hollow cavity, the relative both ends of the cavity
It is respectively arranged with a pair of corresponding through holes, one end in the both ends is additionally provided with other at least one through hole, the chamber
Optical fiber fairlead is additionally provided with body, wherein, the cavity is divided into two parts, and described two parts are symmetrical or asymmetric.
According to another aspect of the present invention, there is provided a kind of pre- branch optical fiber composite cable, including above-mentioned pre- branch's shell,
Main cables and branch cable, at least one pre- bifurcation is provided with the main cables, optical fiber is surrounded outside pre- branch's shell
The pre- bifurcation of composite cable, the pair of through hole pass through main cables, branch line electricity are passed through in other at least one through hole
Cable, wherein, the main cables include insulated wire cores, nonmetallic protection pipe, optical fiber and outer jacket, wherein, the nonmetallic protection
Pipe is twisted together with the insulated wire cores, and the optical fiber is surrounded outside the nonmetallic protection pipe, the insulation is surrounded outside the outer jacket
Core and nonmetallic protection pipe, wherein, the length of the optical fiber is more than the length of the non-metallic pipe, and the optical fiber includes multiple
Fiber cores, the fiber cores are drawn from the optical fiber fairlead；Each phase insulated wire cores of the branch cable and the main cables
Each phase insulated wire cores connection.
According to the third aspect of the invention we, there is provided a kind of manufacture method of pre- branch optical fiber composite cable, including：Structure master
Cable, by insulated wire cores and nonmetallic protection pipe twisting；Build outer jacket, insulated wire cores plastics being extruded in after stranding and non-
On protection metal pipe；The outer jacket of pre- bifurcation is splitted, connects branch cable and insulated wire cores, wherein, split specific length
The insulating barrier of each phase insulated wire cores, branch cable and each insulated wire cores are crimped by phase sequence, and wind insulating tape, wherein, it is adjacent exhausted
Edge core split place position it is not overlapping；The optical fiber more than nonmetallic protection length of tube is penetrated in nonmetallic protection pipe；Split
The nonmetallic protection pipes of specific length, the fiber cores in optical fiber are pulled out into specific length from nonmetallic protection pipe, cut fiber cores,
Nonmetallic protection pipe is inserted in the fiber cores outside nonmetallic protection pipe；In main cables, branch cable and the fiber cores of pull-out
Pre- branch's shell is installed in periphery, and the pre- bifurcation is surrounded outside pre- branch's shell, by main cables and branch line cable from pre-
The through hole of branch's shell is passed, and fiber cores are drawn from the optical fiber outlet of pre- branch's shell.
Pre- branch's shell of the present invention is divided into two parts, and the pre- bifurcation of optical fiber composite cable is played a protective role,
Convenient disassembly, pre- bifurcation breakdown maintenance are convenient.
Pre- branch optical fiber composite cable of the present invention, optical fiber and cable can be drawn from optional position, avoid repetition
Stringing, repeat to construct, considerably reduce engineering cost, save a large amount of social resources.
The guarantor that the manufacture method of pre- branch optical fiber composite cable of the present invention passes through protective coverings of cable and non-metallic casing
Shield, improve the security of optical fiber operation.
Brief description of the drawings
By reference to detailed description below and the content of claims and with reference to accompanying drawing, other mesh of the invention
And result will be more apparent and should be readily appreciated that.In the accompanying drawings：
Fig. 1 a and Fig. 1 b are the schematic diagrames of the pre- branch's shell of the present invention；
Fig. 2 a are the schematic diagrames of the pre- branch optical fiber composite cable of the present invention；
Fig. 2 b be in Fig. 2 a A-A to cutaway view Amplified image；
Fig. 2 c are the cutaway view Amplified images of B-B direction in Fig. 2 a；
Fig. 3 is the flow chart of the pre- branch optical fiber composite cable manufacture method of the present invention；
Fig. 4 is the schematic diagram of one embodiment of the pre- branch optical fiber composite cable of the present invention.
In the accompanying drawings, identical reference indicates similar or corresponding feature or function.
Embodiment
The present invention is expanded on further below in conjunction with specific embodiment, embodiments below is only used for illustrating this hair
It is bright, and protection scope of the present invention is not restricted by the embodiments.
Fig. 1 a and Fig. 1 b are the schematic diagrames of the pre- branch's shell of the present invention, as shown in figure Fig. 1 a and Fig. 1 b, outside the pre- branch
Shell 100 is in hollow cavity, the cavity it is relative be provided at both ends with a pair of through holes 110, one end in the both ends is additionally provided with
Other at least one through hole 120, optical fiber fairlead 130 is additionally provided with the cavity, wherein, the cavity is divided into two
Point, two parts releasable connection, described two parts can symmetrically or asymmetry, for example, described two parts by buckle or
Screw releasable connection, described two parts can also be bonded, wherein, a part for the cavity is as shell bottom, another part conduct
Cap, main cables are placed on the shell bottom, branch cable is connected with main cables and drawn from the through hole at the shell bottom, optical fiber from
After the optical fiber fairlead 130 at the shell bottom is drawn, then the cap is covered, the cap is fixedly connected with the shell bottom, made
Height for the part at shell bottom can be more than another part as cap, in order to facilitate mass production, described two parts
Can be symmetrical.
Preferably, pre- branch's shell 100 is cylindrical or trapezoidal tubular, further, excellent in order to save installing space
Selection of land, the diameter at the relative both ends is different, and side is linear pattern between the both ends, and opposite side is broken line type.
Above-mentioned pre- branch's shell 100 can be metal or nonmetallic, such as plastics, stainless steel etc., can be added by mould
Work or lathe cutting processing, manufacture craft are simple.
Fig. 2 a are the schematic diagrames of the pre- branch optical fiber composite cable of the present invention, Fig. 2 b be in Fig. 2 a A-A to cutaway view Amplified image,
Fig. 2 c are the cutaway view Amplified images of B-B direction in Fig. 2 a, as shown in figs. 2 a-2 c, the pre- branch optical fiber composite cable 1000, including it is pre-
Branch's shell 100, main cables 200 and branch cable 300, wherein, at least one pre- bifurcation is provided with the main cables 200
250, in the pre- bifurcation 250, branch cable 300 is connected to main cables 200, and optical fiber 230 is drawn from main cables 300, described pre-
The pre- bifurcation 250 of optical fiber composite cable 1000 is surrounded outside branch's shell 100, the pair of through hole 110 passes through main cables 200,
Branch cable 300 is passed through in other at least one through hole 120；
Wherein, the main cables 200 include insulated wire cores 210, nonmetallic protection pipe 220, optical fiber 230 and outer jacket 240,
Wherein, the nonmetallic protection pipe 220 is twisted together with the insulated wire cores 210, and the light is surrounded outside the nonmetallic protection pipe 220
Fibre 230, the outer jacket 240 surround the insulated wire cores 210 and nonmetallic protection pipe 220 outside, wherein, the optical fiber 230
Length is more than the length of the non-metallic pipe 220, and the optical fiber 230 includes multiple fiber cores 231, and the fiber cores 231 are from institute
State optical fiber fairlead 130 to draw, the insulated wire cores 210 include wire 212 and the outer insulating barrier 211 for surrounding wire；
Each phase insulated wire cores (not shown) of the branch cable 300 and each phase insulated wire cores 210 of the main cables 200
Connection.
Preferably, each phase insulated wire cores 210 of each phase insulated wire cores of the branch cable 300 and the main cables 200
Pass through the interconnection of c-type copper ring 400.
Preferably, the internal diameter of non-metallic casing 220 is bigger more than 5mm than the external diameter of optical fiber 230, facilitates the pulling of optical fiber.
Pre- branch optical fiber composite cable of the present invention, communication and power transmission merge, can be from any portion
Optical fiber and cable are drawn in position, avoid overlapping construction, and repeat to construct, the use cost of user can be greatly reduced, and save a large amount of societies
Resource.
Fig. 3 is the flow chart of the pre- branch optical fiber composite cable manufacture method of the present invention, as shown in figure 3, pre- branch's light
The manufacture method of fine composite cable includes：
In step S310, main cables 200 are built, by insulated wire cores 210 and the twisting of nonmetallic protection pipe 220；
In step s 320, outer jacket 240 is built, plastics are extruded in the insulated wire cores 210 after stranding and nonmetallic guarantor
On pillar 220；
In step S330, the outer jacket 240 of pre- bifurcation 250 is splitted, connects branch cable 300 and insulated wire cores 210,
Wherein, the insulating barrier 211 of each phase insulated wire cores 210 of specific length is splitted, branch cable 300 and each insulated wire are crimped by phase sequence
Core 210, and wind insulating tape, wherein, adjacent insulated wire cores 210 to split place position not overlapping；
In step S340, the optical fiber 230 more than the nonmetallic length of protection pipe 220 is penetrated in nonmetallic protection pipe 220；
In step S350, the nonmetallic protection pipe 220 of specific length is splitted, by the fiber cores 221 in optical fiber 220 from non-
Protection metal pipe 220 pulls out specific length, cuts fiber cores 221, is covered in outside nonmetallic protection pipe 220 fiber cores 221
Enter nonmetallic protection pipe 220；
In step S360, installed in the periphery of fiber cores 221 of main cables 200, branch cable 300 and pull-out outside pre- branch
Shell 100, surround the pre- bifurcation 250 outside pre- branch's shell 100, by main cables 200 and branch line cable 300 respectively from
The through hole 110 and 120 of pre- branch's shell 100 is passed, and fiber cores 221 are drawn from the optical fiber outlet 130 of pre- branch's shell 100
Go out, fasten pre- branch's shell 100, such as either two parts of pre- branch's shell 100 are fastened or passed through by buckle by screw
Bond and fasten two parts of pre- branch's shell 100.
In step S330, the length of splitting of the outer jacket 240 determines according to the external diameter of main cables 200, the main line
The external diameter of cable 200 is bigger, and described to split length bigger.
Preferably, the outer jacket 240 is splitted in the range of length 15cm-35cm, and the nonmetallic protection pipe 220 is cutd open
Length is opened in the range of 15cm-25cm, the insulating barrier 211 of the insulated wire cores 210 splits length in the range of 2cm-3cm.
Preferably, the fiber cores 231 of optical fiber 230 pull out the length at least 1-1.5m of pre- branch's shell 100, flow out optical fiber
Remaining length needed for the joint at position, ensure joint success.
Pre- branch optical fiber composite cable manufacture method of the present invention, optical fiber and branch cable are reserved from pre- branch's shell
Through hole in draw and complete whole process, structure is simple and reliable.
Pre- branch optical fiber composite cable 1000 of the present invention can be used for four networks one platform in building, i.e., communication, network,
The four networks one platform of TV and electric power, as shown in figure 4, the pre- bifurcation 250 of main cables 200 is set according to floor height, at multiple pre- points
250 drawn respectively for communicating at branch, the branch cable and optical fiber of network (such as optical fiber), TV and electric power, such as 30m's
In main cables 200, every 3 meters are drawn branch cable 300 and optical fiber 230, and the branch cable 300 of different purposes can be outside pre- branch
The different through holes of shell are drawn.
Pre- branch optical fiber composite cable 1000 of the present invention can be additionally used in four networks one platform in tunnel, the main line in tunnel
Cable 200 sets multiple pre- bifurcations, from the pre- lead cable 300 of bifurcation 250 and optical fiber 230, the branch cable of different purposes
300 and optical fiber 230 can be drawn from different pre- bifurcations 250.
As described above, embodiments of the invention are described in detail, as long as but of the invention essentially without departing from
Inventive point and effect can have many deformations, this will be readily apparent to persons skilled in the art.Therefore, so
Variation be also contained within protection scope of the present invention.
Claims (10)
1. a kind of pre- branch's shell, it is characterised in that pre- branch's shell is in hollow cavity, and the relative both ends of the cavity are set
It is equipped with a pair of corresponding through holes, one end in the both ends is additionally provided with other at least one through hole, on the cavity also
Optical fiber fairlead is provided with, wherein, the cavity is divided into two parts, and described two parts are symmetrically or non-symmetrically.
2. pre- branch's shell according to claim 1, it is characterised in that pre- branch's shell is cylindrical or trapezoidal cylinder
Shape.
3. pre- branch's shell according to claim 2, it is characterised in that the diameter at the relative both ends is different, described
Side is linear pattern between both ends, and opposite side is broken line type.
4. pre- branch's shell according to claim 1, it is characterised in that described symmetrical two parts pass through buckle or screw
Releasable connection.
5. a kind of pre- branch optical fiber composite cable, including main cables and branch cable, it is characterised in that also including claim 1-
Pre- branch's shell any one of 4, is provided with least one pre- bifurcation in the main cables, outside pre- branch's shell
The pre- bifurcation of optical fiber composite cable is surrounded, the pair of through hole passes through main cables, worn in other at least one through hole
Branch cable is crossed, wherein,
The main cables include insulated wire cores, nonmetallic protection pipe, optical fiber and outer jacket, wherein, the nonmetallic protection pipe with
The insulated wire cores kink, the nonmetallic protection pipe surround the optical fiber, the insulated wire cores are surrounded outside the outer jacket outside
With nonmetallic protection pipe, wherein, the length of the optical fiber is more than the length of the non-metallic pipe, and the optical fiber includes multiple optical fiber
Core, the fiber cores are drawn from the optical fiber fairlead；
Each phase insulated wire cores of the branch cable are connected with each phase insulated wire cores of the main cables.
6. pre- branch optical fiber composite cable according to claim 5, it is characterised in that each of the branch cable is mutually insulated
Core and each phase insulated wire cores of the main cables pass through c-type copper ring interconnection.
7. pre- branch optical fiber composite cable according to claim 5, it is characterised in that the non-metallic casing internal diameter compares light
Fine big more than the 5mm of external diameter.
A kind of 8. manufacture method of pre- branch optical fiber composite cable, it is characterised in that including：
Main cables are built, by insulated wire cores and nonmetallic protection pipe twisting；
Outer jacket is built, in insulated wire cores plastics being extruded in after stranding and nonmetallic protection pipe；
Split the outer jacket of pre- bifurcation, connect branch cable and insulated wire cores, wherein, split each phase insulated wire of specific length
The insulating barrier of core, branch cable and each insulated wire cores are crimped by phase sequence, and wind insulating tape, wherein, adjacent insulated wire cores are cutd open
Kai Chu positions are not overlapping；
The optical fiber more than nonmetallic protection length of tube is penetrated in nonmetallic protection pipe；
The nonmetallic protection pipe of specific length is splitted, the fiber cores in optical fiber are pulled out into specific length from nonmetallic protection pipe, cut
Disconnected fiber cores, nonmetallic protection pipe is inserted in the fiber cores outside nonmetallic protection pipe；
Pre- branch's shell is installed in main cables, branch cable and the fiber cores of pull-out periphery, institute is surrounded outside pre- branch's shell
Pre- bifurcation is stated, the through hole of main cables and branch line cable from pre- branch's shell is passed, by fiber cores from pre- branch's shell
Optical fiber outlet is drawn.
9. manufacture method according to claim 7, it is characterised in that the outer jacket splits length according to main cables
External diameter determines that the external diameter of the main cables is bigger.
10. manufacture method according to claim 9, it is characterised in that the outer jacket splits length 15cm-35cm models
In enclosing, the nonmetallic protection pipe splits length in the range of 15cm-25cm, and the insulated wire cores split length in 2cm-
In the range of 3cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610715045.6A CN107785106A (en) | 2016-08-24 | 2016-08-24 | Pre- branch's shell, pre- branch optical fiber composite cable and its manufacture method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610715045.6A CN107785106A (en) | 2016-08-24 | 2016-08-24 | Pre- branch's shell, pre- branch optical fiber composite cable and its manufacture method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107785106A true CN107785106A (en) | 2018-03-09 |
Family
ID=61388290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610715045.6A Pending CN107785106A (en) | 2016-08-24 | 2016-08-24 | Pre- branch's shell, pre- branch optical fiber composite cable and its manufacture method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107785106A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101221835A (en) * | 2007-12-27 | 2008-07-16 | 上海胜武电缆有限公司 | Prefabricated branch cable and manufacturing method thereof |
| CN101728791A (en) * | 2009-11-17 | 2010-06-09 | 芜湖明远电线电缆有限责任公司 | Method for on-site manufacturing low-voltage branch cable head |
| CN101887153A (en) * | 2010-01-28 | 2010-11-17 | Ccs科技公司 | Preassembled cable and manufacture method thereof |
| CN102360614A (en) * | 2011-10-08 | 2012-02-22 | 江苏亨通电力电缆有限公司 | Intelligent electrical network fiber composite prefabricated branch cable and manufacture method thereof |
| CN203085284U (en) * | 2013-01-30 | 2013-07-24 | 上海欧忆智能网络有限公司 | Photoelectric composite branch cable |
-
2016
- 2016-08-24 CN CN201610715045.6A patent/CN107785106A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101221835A (en) * | 2007-12-27 | 2008-07-16 | 上海胜武电缆有限公司 | Prefabricated branch cable and manufacturing method thereof |
| CN101728791A (en) * | 2009-11-17 | 2010-06-09 | 芜湖明远电线电缆有限责任公司 | Method for on-site manufacturing low-voltage branch cable head |
| CN101887153A (en) * | 2010-01-28 | 2010-11-17 | Ccs科技公司 | Preassembled cable and manufacture method thereof |
| CN102360614A (en) * | 2011-10-08 | 2012-02-22 | 江苏亨通电力电缆有限公司 | Intelligent electrical network fiber composite prefabricated branch cable and manufacture method thereof |
| CN203085284U (en) * | 2013-01-30 | 2013-07-24 | 上海欧忆智能网络有限公司 | Photoelectric composite branch cable |
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Application publication date: 20180309 |