CN105609170B - Lightning protection photoelectric composite cable, grounding layer, armoured layer and manufacturing methods for grounding layer and armoured layer - Google Patents
Lightning protection photoelectric composite cable, grounding layer, armoured layer and manufacturing methods for grounding layer and armoured layer Download PDFInfo
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- CN105609170B CN105609170B CN201610000191.0A CN201610000191A CN105609170B CN 105609170 B CN105609170 B CN 105609170B CN 201610000191 A CN201610000191 A CN 201610000191A CN 105609170 B CN105609170 B CN 105609170B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
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- 239000004020 conductor Substances 0.000 claims abstract description 172
- 239000010410 layer Substances 0.000 claims abstract description 103
- 238000004804 winding Methods 0.000 claims abstract description 71
- 239000000945 filler Substances 0.000 claims description 84
- 230000005693 optoelectronics Effects 0.000 claims description 49
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- 238000005253 cladding Methods 0.000 claims description 38
- 238000001125 extrusion Methods 0.000 claims description 22
- 239000013307 optical fiber Substances 0.000 claims description 21
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 20
- 239000004411 aluminium Substances 0.000 claims description 20
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Classifications
-
- 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
- H01B7/0045—Cable-harnesses
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
Abstract
The invention belongs to the technical field of a cable, and relates to a lightning protection photoelectric composite cable. The lightning protection photoelectric composite cable comprises a cable core, an inner sheath, an armoured layer, an outer sheath and a grounding layer, wherein the cable core comprises an optical unit and an electrical unit; the exterior of the cable core is coated with a first protective layer, the inner sheath, and a second protective layer; the grounding layer is arranged on the exterior of the second protective layer; the armoured layer is arranged on the exterior of the grounding layer; the outer sheath is arranged on the exterior of the armoured layer; the contact surface between the armoured layer and the grounding layer is a non-film-coated surface; the lightning protection photoelectric composite cable is characterized in that the grounding layer comprises a grounding conductor, a filling rod and a winding layer helically coating the exteriors of the grounding conductor and the filling rod; the grounding conductor and the filling rod are alternatively distributed on the exterior of the second protective layer; and the diameter of the filling rod is not greater than that of the grounding conductor. The invention also discloses manufacturing methods for a semifinished grounding layer and a semifinished armoured layer. The lightning protection photoelectric composite cable is applicable to communication base stations, and has the main following beneficial effects of simple manufacturing, high production speed, lower electrical resistivity of the grounding layer, lower maintenance cost, lower cost and lighter weight.
Description
The present invention is entitled：Communication base station is with anti-lightning strike optoelectronic composite cable and its manufacture method, the applying date：2014
03 day 09 month, Application No.：201410442415.4 patent of invention divisional application.
Technical field
The invention belongs to technical field of cables, more particularly, to anti-lightning strike optoelectronic composite cable, ground plane semi-finished product, armor
Semi-finished product and its manufacture method.
Background technology
Over nearly 20 years, China's information industry leads over the development of other industries, it has also become work with average annual 25% speed increase
The first pillar industry in industry.It is expected in coming 10 years, information industry will be turned over again.In communication industry product, with safety
The higher communication special type lightning-proof optical cable product of performance will have good market prospects.With the 3G network communication network development,
Also the lightning protection measures of communication base station room be will allow for, it is to avoid because thunder and lightning causes communication base station and electric power interruption, machine room to catch fire, by band
Carry out large-area communication disruption, equipment the major accident such as burns by thunderbolt, it is necessary to electric power between communication base station and steel tower,
Safer product is considered on signal transmission product.With developing rapidly for 3G business, the construction scale of communication base station is gradually
Expand, 3G communication network technologies are built, at least the whole nation needs the base station of 300,000 3G communication networks, if each base station needs length
The cable for 100 meters or so is spent, then this will be a larger market.
Both at home and abroad for the lightning protection of cable has been carried out effectively studying and achieving preferable achievement.The applicant is anti-
Thunder and lightning cable aspect has also made substantial amounts of research and development, such as：It is entitled：Self-supporting lightning-proof power cable, Patent No.：
200920150584.5；It is entitled：Lightning-proof power cable, Patent No.：200920150583.0；It is entitled：It is anti-
Thunder optical cable, Patent No.：200920150582.6；It is entitled：There are lightning-proof power cable, the Patent No. of enhancement layer：
200910140719.4；It is entitled：Multigroup lightning protection optical cable, Patent No.：200910140717.5；It is entitled：
Self-supporting lightning-proof optical cable, Patent No.：The patents such as 200910140715.6, have all formed product and in the communication base of operator
Used in standing.But, they also have the following disadvantages：（1）Ground plane is by the way of tiltedly bag, and speed of production is slower；
（2）Armor only serves the effect of armouring,（3）After thunderbolt is undergone, the partial earthing layer in cable blows, and melts sheath
Change makes insulated wire cores combine together in cable core interval, makes insulated wire cores be difficult to separate；Waste disposal can only be made.
Above-mentioned deficiency increases the maintenance cost after cable thunderbolt.
Notification number is：It is CN203338868U, entitled：The patent of communication base station lightning retardant cable, Jing is used, and is reached really
The technique effect described in file is arrived；But, the applicant explores through constantly, it is found that it also has simplified structure, section
Metal consumption method is saved, additionally, Jing applicant's repetition test, is equally reached the purpose of its innovation and creation.
The content of the invention
In order to solve the above problems, the purpose of the present invention is to disclose a kind of communication base station of new construction to be replied by cable with anti-lightning strike light
Cable, ground plane semi-finished product, armor semi-finished product and its manufacture method are closed, they employ the following technical solutions to realize.
Anti-lightning strike optoelectronic composite cable, includes cable core, inner sheath, armor, oversheath, ground plane, and cable core is by light list
Unit and electric unit constitute, light unit is that many optical fibers by Loose tube and in Loose tube are constituted, electric unit by
Conductor and envelope conductor insulating barrier constitute；Cable core is coated with the first protective layer, inner sheath extrusion molding and is coated on the first protection
Outside layer, inner sheath is coated with the second protective layer, and ground plane is located at outside the second protective layer, and armor is coated on ground plane
Outward, oversheath extrusion molding is coated on outside armor；Armor is one side film steel band, and the face that armor is contacted with ground plane is non-
Overlay film face；First protective layer, the second protective layer are all mica tape；It is characterized in that ground plane is by earth conductor, filler rod and spiral shell
Rotation is coated on earth conductor and constitutes with the winding layer outside filler rod, and earth conductor is mutually handed over filler rod outside the second protective layer
It is distributed wrongly, the diameter of filler rod is not more than the diameter of earth conductor, and winding layer contacts with every earth conductor and protects
Hold electrical communication；Armor is located at outside winding layer.
Anti-lightning strike optoelectronic composite cable ground plane, includes cable core, inner sheath, ground plane, and cable core is by light unit and electricity list
What unit was constituted, light unit is that many optical fibers by Loose tube and in Loose tube are constituted, and electric unit is by conductor and bag
The insulating barrier for covering conductor is constituted；Cable core is coated with the first protective layer, inner sheath extrusion molding and is coated on outside the first protective layer, interior
Sheath is coated with the second protective layer, and ground plane is located at outside the second protective layer；First protective layer, the second protective layer are all mica
Band；It is characterized in that winding layer of the ground plane by earth conductor, filler rod and helical coated outside earth conductor and filler rod
Constitute, earth conductor is mutually alternately distributed with filler rod outside the second protective layer, and the diameter of filler rod is not more than earth conductor
Diameter, winding layer be contact with every earth conductor and keep electrical communication；The earth conductor is favouring cable core
When the direction of axis is coated on outside the second protective layer, the pitch of cladding is 15~30 times of the second protective layer diameter；The light
Unit and electric unit are that parallel mode is distributed in cable core or in the stranded mode of one direction spiral and is distributed in cable core；
First protective layer is that the mode of longitudinal direction or spiral is coated on outside cable core；During the cladding of longitudinal direction, the overlapping widths of overlap joint are 2
~4mm；During helical coated, overlap joint Duplication is 15%~30%；First protective layer, the second protective layer are all synthetic micas
Band, and the thickness of mica tape is 0.1mm -2mm；The material of the winding layer is copper wire or aluminium wire or other conductive filaments or conduction
Band；The anti-lightning strike optoelectronic composite cable of described communication base station, it is characterised in that the winding layer helical coated earth conductor with
When outside filler rod, screw pitch is 5~15 times of the second protective layer diameter；The material of the insulating barrier is polyvinyl chloride or height
Density polyethylene or medium density polyethylene or low smoke and zero halogen polyethylene；The material of the inner sheath be high density polyethylene (HDPE) or in it is close
Degree polyethylene or low smoke and zero halogen polyethylene；The material of the filler rod is low density polyethylene (LDPE) or high density polyethylene (HDPE) or Midst density
Polyethylene or low smoke and zero halogen polyethylene or polypropylene.
Anti-lightning strike optoelectronic composite cable armor, includes cable core, inner sheath, armor, ground plane, and cable core is by light unit
Constitute with electric unit, light unit is that many optical fibers by Loose tube and in Loose tube are constituted, electric unit is by leading
Body and envelope conductor insulating barrier constitute；Cable core is coated with the first protective layer, inner sheath extrusion molding and is coated on the first protective layer
Outside, inner sheath is coated with the second protective layer, and ground plane is located at outside the second protective layer, and armor is coated on outside ground plane；
Armor is one side film steel band, and the face that armor is contacted with ground plane is non-overlay film face；First protective layer, the second protective layer are all
For mica tape；It is characterized in that ground plane by earth conductor, filler rod and helical coated outside earth conductor and filler rod
Winding layer is constituted, and earth conductor is mutually alternately distributed with filler rod outside the second protective layer, and the diameter of filler rod no more than connects
The diameter of earthed conductor, winding layer be contact with every earth conductor and keep electrical communication；Armor be located at winding layer it
Outward
；When the earth conductor is coated on outside the second protective layer with the direction for favouring cable core axis, the pitch of cladding
It is 15~30 times of the second protective layer diameter；The light unit and electric unit be parallel mode be distributed in cable core or with
The stranded mode of one direction spiral is distributed in cable core；First protective layer be the mode of longitudinal direction or spiral be coated on cable core it
Outer；During the cladding of longitudinal direction, the overlapping widths of overlap joint are 2~4mm；During helical coated, overlap joint Duplication is 15%~30%；Described
One protective layer, the second protective layer are all synthetic mica tapes, and the thickness of mica tape is 0.1mm -2mm；The material of the winding layer
For copper wire or aluminium wire or other conductive filaments or conductive strips；The anti-lightning strike optoelectronic composite cable of described communication base station, it is characterised in that
When outside earth conductor and filler rod, screw pitch is 5~15 times of the second protective layer diameter to the winding layer helical coated；
The material of the insulating barrier is polyvinyl chloride or high density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene；In described
The material of sheath is high density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene；The material of the filler rod is low close
Degree polyethylene or high density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene or polypropylene.
Anti-lightning strike optoelectronic composite cable described above, it is characterised in that the earth conductor is by many copper bars or aluminium bar or leads
Electric pole is constituted.
Anti-lightning strike optoelectronic composite cable described above, it is characterised in that the earth conductor is to favour cable core axis
Direction or the direction parallel to cable core axis are coated on outside the second protective layer.
Anti-lightning strike optoelectronic composite cable described above, it is characterised in that the earth conductor is favouring the side of cable core axis
When being coated on outside the second protective layer, the pitch of cladding is 15~30 times of the second protective layer diameter.
Anti-lightning strike optoelectronic composite cable described above, it is characterised in that the light unit is parallel mode point with electric unit
Cloth is distributed in cable core in cable core or in the stranded mode of one direction spiral.
Anti-lightning strike optoelectronic composite cable described above, it is characterised in that first protective layer is the mode of longitudinal direction or spiral
It is coated on outside cable core；During the cladding of longitudinal direction, the overlapping widths of overlap joint are 2~4mm；During helical coated, overlap joint Duplication is 15%
~30%.
Anti-lightning strike optoelectronic composite cable described above, it is characterised in that the material of the insulating barrier is polyvinyl chloride or highly dense
Degree polyethylene or medium density polyethylene or low smoke and zero halogen polyethylene.
Anti-lightning strike optoelectronic composite cable described above, it is characterised in that the material of the oversheath be high density polyethylene (HDPE) or
Medium density polyethylene or low smoke and zero halogen polyethylene.
Anti-lightning strike optoelectronic composite cable described above, it is characterised in that the material of the inner sheath be high density polyethylene (HDPE) or
Medium density polyethylene or low smoke and zero halogen polyethylene.
Anti-lightning strike optoelectronic composite cable described above, it is characterised in that first protective layer, the second protective layer are all to close
Into mica tape, and the thickness of mica tape is 0.1mm -2mm.
Anti-lightning strike optoelectronic composite cable described above, it is characterised in that the material of the filler rod be low density polyethylene (LDPE) or
High density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene or polypropylene.
Anti-lightning strike optoelectronic composite cable described above, it is characterised in that the material of the winding layer be copper wire or aluminium wire or its
Its conductive filament or conductive strips.
Anti-lightning strike optoelectronic composite cable described above, it is characterised in that the material of the winding layer be copper wire or aluminium wire or its
Its conductive filament or conductive strips.
Anti-lightning strike optoelectronic composite cable described above, it is characterised in that the winding layer helical coated earth conductor with fill out
When filling outside rod, screw pitch is 5~15 times of the second protective layer diameter.
In the present invention, ground plane twining outside earth conductor and filler rod by earth conductor, filler rod and helical coated
Winding layer is constituted, and earth conductor is mutually alternately distributed with filler rod outside the second protective layer, and the diameter of filler rod is no more than grounded
The diameter of conductor, winding layer be contact with every earth conductor and keep electrical communication；So that the consumption of earth conductor subtracts
Half is as little as reduced less, and ensure that the conductive capability of ground plane；The inner face of armor is non-overlay film i.e. with ground plane contact surface
Layer, therefore be also metal level, the contact for making ground plane not only adjacent, and armor has been carried out parallel connection, reaches ground plane
Less resistance value；When thunder and lightning is undergone, the short-time thermal amount of ground plane adds little, therefore the probability that thunderbolt is blown drops significantly
It is low；Additionally, armor also acts armouring, against pressure, the anti-effect hit.
In the present invention, the material of winding layer is copper wire or aluminium wire or other conductive filaments or conductive strips, considerably increases and connects
Tactile area, and for it is thread when can be many, multiply；Therefore the more stable reliability of ground plane.
In the present invention, heat has greatly been isolated in the first protective layer, the presence of the second protective layer, in the case of thunderbolt, though
Substantial amounts of heat may be so produced, but this heat is under the first protective layer, the isolation of the second protective layer, makes the light list in cable core
The work of first, electric unit is unaffected；Additionally, thunderbolt high temperature can not enter cable core gap after melting inner sheath, therefore, thunderbolt
Afterwards, during temperature drop, sheath remains to solidification, has substantially no effect on cable performance, and maintenance quite facilitates.
The present invention has reached preferable design requirement through test, lightning protection effect, the use of 500 length is 200-800 rice
The optical cable of the invention not waited, through the natural thunderbolt of about 50 times of 2 years, none is because of broken by lightning.
The present invention manufactures obtain by the following method：The first step：Make light unit：By plastic extruder by many
Optical fiber and petroleum jelly are put in Loose tube, and optical fiber excess length is 0.03~0.06 ‰ in Loose tube；
Second step：Take conductor and form the first electric unit in the outer plastic extruding insulated layer of conductor；Separately take conductor and squeeze outside conductor
Modeling insulating barrier forms the second electric unit；
3rd step：First and second electric unit of gained carries out parallel putting in light unit obtained by taking in the first step and second step
Put, and the outside longitudinal direction at them or the protective layer of helical coated first, during the cladding of longitudinal direction, the overlapping widths of the first protective layer overlap joint
For 2~4mm；During helical coated, the first protective layer overlap joint Duplication is 15%~30%；First protective layer is synthetic mica tape and thickness
Spend for 0.1mm~2mm；
4th step：In the outer extrusion molding cladding inner sheath of the first protective layer obtained by the 3rd step；
5th step：Place the second protective layer outside inner sheath, the second protective layer be synthetic mica tape and thickness be 0.1mm~
2mm；
6th step：Ground plane is placed outside the second protective layer, the ground plane is by earth conductor, filler rod and helical coated
Winding layer outside earth conductor and filler rod is constituted, and earth conductor mutually alternately divides with filler rod outside the second protective layer
Cloth, the diameter of filler rod is not more than the diameter of earth conductor, and winding layer contacts with every earth conductor and keeps electric
Connection；Earth conductor is the direction to favour cable core axis or the direction parallel to cable core axis be coated on the second protective layer it
Outer, when outside earth conductor is coated on the second protective layer with the direction for favouring cable core axis, the pitch of cladding is second
15~30 times of protective layer diameter；The material of winding layer is copper wire or aluminium wire or other conductive filaments or conductive strips；Winding helical layer
When being coated on outside earth conductor and filler rod, screw pitch is 5~15 times of the second protective layer diameter；
7th step：Armor is placed outside the ground plane of the 6th step；Armor is one side film steel band, armor and ground connection
The face of layer contact is non-overlay film face；
8th step：It is compound the anti-lightning strike photoelectricity of communication base station to be formed in the outer extrusion molding cladding oversheath of armor obtained by the 7th step
Cable, the material of oversheath is high density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene.
Further, the present invention can be with from the above-mentioned manufacture method for obtaining ground plane semi-finished product.Anti-lightning strike light is replied by cable
Close the manufacture method of the ground plane semi-finished product of cable, it is characterised in that it includes following steps：
The first step：Make light unit：Many optical fibers and petroleum jelly are put in Loose tube by plastic extruder, pine
Optical fiber excess length is 0.03~0.06 ‰ in sleeve pipe；
Second step：Take conductor and form the first electric unit in the outer plastic extruding insulated layer of conductor；Separately take conductor and squeeze outside conductor
Modeling insulating barrier forms the second electric unit；
3rd step：First and second electric unit of gained carries out parallel putting in light unit obtained by taking in the first step and second step
Put, and the outside longitudinal direction at them or the protective layer of helical coated first, during the cladding of longitudinal direction, the overlapping widths of the first protective layer overlap joint
For 2~4mm；During helical coated, the first protective layer overlap joint Duplication is 15%~30%；First protective layer is synthetic mica tape and thickness
Spend for 0.1mm~2mm；
4th step：In the outer extrusion molding cladding inner sheath of the first protective layer obtained by the 3rd step；
5th step：Place the second protective layer outside inner sheath, the second protective layer be synthetic mica tape and thickness be 0.1mm~
2mm；
6th step：Ground plane is placed outside the second protective layer, the ground plane is by earth conductor, filler rod and helical coated
Winding layer outside earth conductor and filler rod is constituted, and earth conductor mutually alternately divides with filler rod outside the second protective layer
Cloth, the diameter of filler rod is not more than the diameter of earth conductor, and winding layer contacts with every earth conductor and keeps electric
Connection；Earth conductor is the direction to favour cable core axis or the direction parallel to cable core axis be coated on the second protective layer it
Outer, when outside earth conductor is coated on the second protective layer with the direction for favouring cable core axis, the pitch of cladding is second
15~30 times of protective layer diameter；The material of winding layer is copper wire or aluminium wire or other conductive filaments or conductive strips；Winding helical layer
When being coated on outside earth conductor and filler rod, screw pitch is 5~15 times of the second protective layer diameter；Form anti-lightning strike photoelectricity
The manufacture of the ground plane semi-finished product of composite rope.
Further, the present invention can be with from the above-mentioned manufacture method for obtaining armor semi-finished product.Anti-lightning strike photoelectricity
The manufacture method of the armor semi-finished product of composite rope, it is characterised in that it includes following steps：
The first step：Make light unit：Many optical fibers and petroleum jelly are put in Loose tube by plastic extruder, pine
Optical fiber excess length is 0.03~0.06 ‰ in sleeve pipe；
Second step：Take conductor and form the first electric unit in the outer plastic extruding insulated layer of conductor；Separately take conductor and squeeze outside conductor
Modeling insulating barrier forms the second electric unit；
3rd step：First and second electric unit of gained carries out parallel putting in light unit obtained by taking in the first step and second step
Put, and the outside longitudinal direction at them or the protective layer of helical coated first, during the cladding of longitudinal direction, the overlapping widths of the first protective layer overlap joint
For 2~4mm；During helical coated, the first protective layer overlap joint Duplication is 15%~30%；First protective layer is synthetic mica tape and thickness
Spend for 0.1mm~2mm；
4th step：In the outer extrusion molding cladding inner sheath of the first protective layer obtained by the 3rd step；
5th step：Place the second protective layer outside inner sheath, the second protective layer be synthetic mica tape and thickness be 0.1mm~
2mm；
6th step：Ground plane is placed outside the second protective layer, the ground plane is by earth conductor, filler rod and helical coated
Winding layer outside earth conductor and filler rod is constituted, and earth conductor mutually alternately divides with filler rod outside the second protective layer
Cloth, the diameter of filler rod is not more than the diameter of earth conductor, and winding layer contacts with every earth conductor and keeps electric
Connection；Earth conductor is the direction to favour cable core axis or the direction parallel to cable core axis be coated on the second protective layer it
Outer, when outside earth conductor is coated on the second protective layer with the direction for favouring cable core axis, the pitch of cladding is second
15~30 times of protective layer diameter；The material of winding layer is copper wire or aluminium wire or other conductive filaments or conductive strips；Winding helical layer
When being coated on outside earth conductor and filler rod, screw pitch is 5~15 times of the second protective layer diameter；
7th step：Armor is placed outside the ground plane of the 6th step；Armor is one side film steel band, armor and ground connection
The face of layer contact is non-overlay film face；Form the manufacture of the armor semi-finished product of anti-lightning strike optoelectronic composite cable.
The optical cable of the present invention, when ground plane is with cable core diameter parallel, can together produce in oversheath extrusion process,
Do not need other stranded operation, therefore, speed of production faster, cost it is lower.
In the present invention, the consumption of earth conductor reduces nearly half, second half or less than a half part using filler rod come generation
Replace, not only saved cost, and accelerate manufacturing schedule, reduce the weight of product, Product transport cost is substantially reduced,
Require also to reduce simultaneously for the load of shaft tower；The consumption of the metal consumption of the winding layer in the present invention and an earth conductor
It is close；Therefore, the diameter of product does not increase substantially.
Therefore, the present invention has following main beneficial effect：Make simple, speed of production fast, ground connection layer resistivity is lower,
Maintenance cost is lower, cost is lower, weight is lighter.
Description of the drawings
Fig. 1 is the dimensional structure diagram that solution is cut open after the present invention intercepts a section.
Fig. 2 is the cross-sectional structure schematic diagram that Fig. 1 amplifies.
Specific embodiment
Ask for an interview Fig. 1 and Fig. 2, anti-lightning strike optoelectronic composite cable includes cable core, inner sheath 6, armor 9, oversheath 10, connects
Stratum, cable core is made up of light unit and electric unit, and light unit is many photoconduction fibres by Loose tube 4 and in Loose tube
What dimension 3 was constituted, electric unit is by conductor 1 and envelopes the insulating barrier 2 of conductor and constitutes；Cable core is coated with the first protective layer 5, interior shield
Set extrusion molding is coated on outside the first protective layer, and inner sheath is coated with the second protective layer 7, ground plane be located at the second protective layer it
Outward, armor is coated on outside ground plane, and oversheath extrusion molding is coated on outside armor；Armor be one side film steel band, armouring
The face that layer is contacted with ground plane is non-overlay film face；First protective layer, the second protective layer are all mica tape；It is characterized in that ground plane
Be made up of the winding layer 82 of earth conductor 8, filler rod 81 and helical coated outside earth conductor and filler rod, earth conductor with
Filler rod is mutually alternately distributed outside the second protective layer, and the diameter of filler rod is not more than the diameter of earth conductor, and winding layer is
Contact with every earth conductor and holding electrical communication；Armor is located at outside winding layer.
Anti-lightning strike optoelectronic composite cable ground plane, includes cable core, inner sheath, ground plane, and cable core is by light unit and electricity list
What unit was constituted, light unit is that many optical fibers by Loose tube and in Loose tube are constituted, and electric unit is by conductor and bag
The insulating barrier for covering conductor is constituted；Cable core is coated with the first protective layer, inner sheath extrusion molding and is coated on outside the first protective layer, interior
Sheath is coated with the second protective layer, and ground plane is located at outside the second protective layer；First protective layer, the second protective layer are all mica
Band；It is characterized in that winding layer of the ground plane by earth conductor, filler rod and helical coated outside earth conductor and filler rod
Constitute, earth conductor is mutually alternately distributed with filler rod outside the second protective layer, and the diameter of filler rod is not more than earth conductor
Diameter, winding layer be contact with every earth conductor and keep electrical communication；The earth conductor is favouring cable core
When the direction of axis is coated on outside the second protective layer, the pitch of cladding is 15~30 times of the second protective layer diameter；The light
Unit and electric unit are that parallel mode is distributed in cable core or in the stranded mode of one direction spiral and is distributed in cable core；
First protective layer is that the mode of longitudinal direction or spiral is coated on outside cable core；During the cladding of longitudinal direction, the overlapping widths of overlap joint are 2
~4mm；During helical coated, overlap joint Duplication is 15%~30%；First protective layer, the second protective layer are all synthetic micas
Band, and the thickness of mica tape is 0.1mm -2mm；The material of the winding layer is copper wire or aluminium wire or other conductive filaments or conduction
Band；The anti-lightning strike optoelectronic composite cable of described communication base station, it is characterised in that the winding layer helical coated earth conductor with
When outside filler rod, screw pitch is 5~15 times of the second protective layer diameter；The material of the insulating barrier is polyvinyl chloride or height
Density polyethylene or medium density polyethylene or low smoke and zero halogen polyethylene；The material of the inner sheath be high density polyethylene (HDPE) or in it is close
Degree polyethylene or low smoke and zero halogen polyethylene；The material of the filler rod is low density polyethylene (LDPE) or high density polyethylene (HDPE) or Midst density
Polyethylene or low smoke and zero halogen polyethylene or polypropylene.
Anti-lightning strike optoelectronic composite cable armor, includes cable core, inner sheath, armor, ground plane, and cable core is by light unit
Constitute with electric unit, light unit is that many optical fibers by Loose tube and in Loose tube are constituted, electric unit is by leading
Body and envelope conductor insulating barrier constitute；Cable core is coated with the first protective layer, inner sheath extrusion molding and is coated on the first protective layer
Outside, inner sheath is coated with the second protective layer, and ground plane is located at outside the second protective layer, and armor is coated on outside ground plane；
Armor is one side film steel band, and the face that armor is contacted with ground plane is non-overlay film face；First protective layer, the second protective layer are all
For mica tape；It is characterized in that ground plane by earth conductor, filler rod and helical coated outside earth conductor and filler rod
Winding layer is constituted, and earth conductor is mutually alternately distributed with filler rod outside the second protective layer, and the diameter of filler rod no more than connects
The diameter of earthed conductor, winding layer be contact with every earth conductor and keep electrical communication；Armor be located at winding layer it
Outward
；When the earth conductor is coated on outside the second protective layer with the direction for favouring cable core axis, the pitch of cladding
It is 15~30 times of the second protective layer diameter；The light unit and electric unit be parallel mode be distributed in cable core or with
The stranded mode of one direction spiral is distributed in cable core；First protective layer be the mode of longitudinal direction or spiral be coated on cable core it
Outer；During the cladding of longitudinal direction, the overlapping widths of overlap joint are 2~4mm；During helical coated, overlap joint Duplication is 15%~30%；Described
One protective layer, the second protective layer are all synthetic mica tapes, and the thickness of mica tape is 0.1mm -2mm；The material of the winding layer
For copper wire or aluminium wire or other conductive filaments or conductive strips；The anti-lightning strike optoelectronic composite cable of described communication base station, it is characterised in that
When outside earth conductor and filler rod, screw pitch is 5~15 times of the second protective layer diameter to the winding layer helical coated；
The material of the insulating barrier is polyvinyl chloride or high density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene；In described
The material of sheath is high density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene；The material of the filler rod is low close
Degree polyethylene or high density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene or polypropylene.
Anti-lightning strike optoelectronic composite cable described above, it is characterised in that the earth conductor is by many copper bars or aluminium bar or leads
Electric pole is constituted.
Anti-lightning strike optoelectronic composite cable described above, it is characterised in that the earth conductor is to favour cable core axis
Direction or the direction parallel to cable core axis are coated on outside the second protective layer.
Anti-lightning strike optoelectronic composite cable described above, it is characterised in that the earth conductor is favouring the side of cable core axis
When being coated on outside the second protective layer, the pitch of cladding is 15~30 times of the second protective layer diameter.
Anti-lightning strike optoelectronic composite cable described above, it is characterised in that the light unit is parallel mode point with electric unit
Cloth is distributed in cable core in cable core or in the stranded mode of one direction spiral.
Anti-lightning strike optoelectronic composite cable described above, it is characterised in that first protective layer is the mode of longitudinal direction or spiral
It is coated on outside cable core；During the cladding of longitudinal direction, the overlapping widths of overlap joint are 2~4mm；During helical coated, overlap joint Duplication is 15%
~30%.
Anti-lightning strike optoelectronic composite cable described above, it is characterised in that the material of the insulating barrier is polyvinyl chloride or highly dense
Degree polyethylene or medium density polyethylene or low smoke and zero halogen polyethylene.
Anti-lightning strike optoelectronic composite cable described above, it is characterised in that the material of the oversheath be high density polyethylene (HDPE) or
Medium density polyethylene or low smoke and zero halogen polyethylene.
Anti-lightning strike optoelectronic composite cable described above, it is characterised in that the material of the inner sheath be high density polyethylene (HDPE) or
Medium density polyethylene or low smoke and zero halogen polyethylene.
Anti-lightning strike optoelectronic composite cable described above, it is characterised in that first protective layer, the second protective layer are all to close
Into mica tape, and the thickness of mica tape is 0.1mm -2mm.
Anti-lightning strike optoelectronic composite cable described above, it is characterised in that the material of the filler rod be low density polyethylene (LDPE) or
High density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene or polypropylene.
Anti-lightning strike optoelectronic composite cable described above, it is characterised in that the material of the winding layer be copper wire or aluminium wire or its
Its conductive filament or conductive strips.
Anti-lightning strike optoelectronic composite cable described above, it is characterised in that the material of the winding layer be copper wire or aluminium wire or its
Its conductive filament or conductive strips.
Anti-lightning strike optoelectronic composite cable described above, it is characterised in that the winding layer helical coated earth conductor with fill out
When filling outside rod, screw pitch is 5~15 times of the second protective layer diameter.
In the present invention, ground plane twining outside earth conductor and filler rod by earth conductor, filler rod and helical coated
Winding layer is constituted, and earth conductor is mutually alternately distributed with filler rod outside the second protective layer, and the diameter of filler rod is no more than grounded
The diameter of conductor, winding layer be contact with every earth conductor and keep electrical communication；So that the consumption of earth conductor subtracts
Half is as little as reduced less, and ensure that the conductive capability of ground plane；The inner face of armor is non-overlay film i.e. with ground plane contact surface
Layer, therefore be also metal level, the contact for making ground plane not only adjacent, and armor has been carried out parallel connection, reaches ground plane
Less resistance value；When thunder and lightning is undergone, the short-time thermal amount of ground plane adds little, therefore the probability that thunderbolt is blown drops significantly
It is low；Additionally, armor also acts armouring, against pressure, the anti-effect hit.
In the present invention, the material of winding layer is copper wire or aluminium wire or other conductive filaments or conductive strips, considerably increases and connects
Tactile area, and for it is thread when can be many, multiply；Therefore the more stable reliability of ground plane.
In the present invention, heat has greatly been isolated in the first protective layer, the presence of the second protective layer, in the case of thunderbolt, though
Substantial amounts of heat may be so produced, but this heat is under the first protective layer, the isolation of the second protective layer, makes the light list in cable core
The work of first, electric unit is unaffected；Additionally, thunderbolt high temperature can not enter cable core gap after melting inner sheath, therefore, thunderbolt
Afterwards, during temperature drop, sheath remains to solidification, has substantially no effect on cable performance, and maintenance quite facilitates.
Anti-lightning strike optoelectronic composite cable described above, the manufacture method of its ground plane semi-finished product is characterised by that it includes
Following steps：
The first step：Make light unit：Many optical fibers and petroleum jelly are put in Loose tube by plastic extruder, pine
Optical fiber excess length is 0.03~0.06 ‰ in sleeve pipe；
Second step：Take conductor and form the first electric unit in the outer plastic extruding insulated layer of conductor；Separately take conductor and squeeze outside conductor
Modeling insulating barrier forms the second electric unit；
3rd step：First and second electric unit of gained carries out parallel putting in light unit obtained by taking in the first step and second step
Put, and the outside longitudinal direction at them or the protective layer of helical coated first, during the cladding of longitudinal direction, the overlapping widths of the first protective layer overlap joint
For 2~4mm；During helical coated, the first protective layer overlap joint Duplication is 15%~30%；First protective layer is synthetic mica tape and thickness
Spend for 0.1mm~2mm；
4th step：In the outer extrusion molding cladding inner sheath of the first protective layer obtained by the 3rd step；
5th step：Place the second protective layer outside inner sheath, the second protective layer be synthetic mica tape and thickness be 0.1mm~
2mm；
6th step：Ground plane is placed outside the second protective layer, the ground plane is by earth conductor, filler rod and helical coated
Winding layer outside earth conductor and filler rod is constituted, and earth conductor mutually alternately divides with filler rod outside the second protective layer
Cloth, the diameter of filler rod is not more than the diameter of earth conductor, and winding layer contacts with every earth conductor and keeps electric
Connection；Earth conductor is the direction to favour cable core axis or the direction parallel to cable core axis be coated on the second protective layer it
Outer, when outside earth conductor is coated on the second protective layer with the direction for favouring cable core axis, the pitch of cladding is second
15~30 times of protective layer diameter；The material of winding layer is copper wire or aluminium wire or other conductive filaments or conductive strips；Winding helical layer
When being coated on outside earth conductor and filler rod, screw pitch is 5~15 times of the second protective layer diameter；Form anti-lightning strike photoelectricity
The manufacture of the ground plane semi-finished product of composite rope.
Anti-lightning strike optoelectronic composite cable described above, the manufacture method of its armor semi-finished product is characterised by that it includes
Following steps：
The first step：Make light unit：Many optical fibers and petroleum jelly are put in Loose tube by plastic extruder, pine
Optical fiber excess length is 0.03~0.06 ‰ in sleeve pipe；
Second step：Take conductor and form the first electric unit in the outer plastic extruding insulated layer of conductor；Separately take conductor and squeeze outside conductor
Modeling insulating barrier forms the second electric unit；
3rd step：First and second electric unit of gained carries out parallel putting in light unit obtained by taking in the first step and second step
Put, and the outside longitudinal direction at them or the protective layer of helical coated first, during the cladding of longitudinal direction, the overlapping widths of the first protective layer overlap joint
For 2~4mm；During helical coated, the first protective layer overlap joint Duplication is 15%~30%；First protective layer is synthetic mica tape and thickness
Spend for 0.1mm~2mm；
4th step：In the outer extrusion molding cladding inner sheath of the first protective layer obtained by the 3rd step；
5th step：Place the second protective layer outside inner sheath, the second protective layer be synthetic mica tape and thickness be 0.1mm~
2mm；
6th step：Ground plane is placed outside the second protective layer, the ground plane is by earth conductor, filler rod and helical coated
Winding layer outside earth conductor and filler rod is constituted, and earth conductor mutually alternately divides with filler rod outside the second protective layer
Cloth, the diameter of filler rod is not more than the diameter of earth conductor, and winding layer contacts with every earth conductor and keeps electric
Connection；Earth conductor is the direction to favour cable core axis or the direction parallel to cable core axis be coated on the second protective layer it
Outer, when outside earth conductor is coated on the second protective layer with the direction for favouring cable core axis, the pitch of cladding is second
15~30 times of protective layer diameter；The material of winding layer is copper wire or aluminium wire or other conductive filaments or conductive strips；Winding helical layer
When being coated on outside earth conductor and filler rod, screw pitch is 5~15 times of the second protective layer diameter；
7th step：Armor is placed outside the ground plane of the 6th step；Armor is one side film steel band, armor and ground connection
The face of layer contact is non-overlay film face；Form the manufacture of the armor semi-finished product of anti-lightning strike optoelectronic composite cable.
Anti-lightning strike optoelectronic composite cable in the present invention, it manufactures obtain by the following method：The first step：Make light list
Unit：Many optical fibers and petroleum jelly are put in Loose tube by plastic extruder, optical fiber excess length is 0.03 in Loose tube
~0.06 ‰；
Second step：Take conductor and form the first electric unit in the outer plastic extruding insulated layer of conductor；Separately take conductor and squeeze outside conductor
Modeling insulating barrier forms the second electric unit；
3rd step：First and second electric unit of gained carries out parallel putting in light unit obtained by taking in the first step and second step
Put, and the outside longitudinal direction at them or the protective layer of helical coated first, during the cladding of longitudinal direction, the overlapping widths of the first protective layer overlap joint
For 2~4mm；During helical coated, the first protective layer overlap joint Duplication is 15%~30%；First protective layer is synthetic mica tape and thickness
Spend for 0.1mm~2mm；
4th step：In the outer extrusion molding cladding inner sheath of the first protective layer obtained by the 3rd step；
5th step：Place the second protective layer outside inner sheath, the second protective layer be synthetic mica tape and thickness be 0.1mm~
2mm；
6th step：Ground plane is placed outside the second protective layer, the ground plane is by earth conductor, filler rod and helical coated
Winding layer outside earth conductor and filler rod is constituted, and earth conductor mutually alternately divides with filler rod outside the second protective layer
Cloth, the diameter of filler rod is not more than the diameter of earth conductor, and winding layer contacts with every earth conductor and keeps electric
Connection；Earth conductor is the direction to favour cable core axis or the direction parallel to cable core axis be coated on the second protective layer it
Outer, when outside earth conductor is coated on the second protective layer with the direction for favouring cable core axis, the pitch of cladding is second
15~30 times of protective layer diameter；The material of winding layer is copper wire or aluminium wire or other conductive filaments or conductive strips；Winding helical layer
When being coated on outside earth conductor and filler rod, screw pitch is 5~15 times of the second protective layer diameter；
7th step：Armor is placed outside the ground plane of the 6th step；Armor is one side film steel band, armor and ground connection
The face of layer contact is non-overlay film face；
8th step：It is compound the anti-lightning strike photoelectricity of communication base station to be formed in the outer extrusion molding cladding oversheath of armor obtained by the 7th step
Cable, the material of oversheath is high density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene.
It is used together in product filed in 1 day July in 2013 with applicant using the cable of the present invention, lightning protection effect is complete
Equally.
The cable of the present invention, when ground plane is with cable core diameter parallel, can together produce, no in oversheath extrusion process
Need other stranded operation, therefore, speed of production faster, cost it is lower.
Anti-lightning strike optoelectronic composite cable, anti-lightning strike optoelectronic composite cable ground plane semi-finished product in the present invention, anti-lightning strike light are replied by cable
Close cable armor semi-finished product to be only applicable in communication base station；Ground plane semi-finished product, cable armor semi-finished product also can serve as list
Only product manufacturing, sale, promise sale and use.
In the present invention, the consumption of earth conductor reduces nearly half, second half or less than a half part using filler rod come generation
Replace, not only saved cost, and accelerate manufacturing schedule, reduce the weight of product, Product transport cost is substantially reduced,
Require also to reduce simultaneously for the load of shaft tower；The consumption of the metal consumption of the winding layer in the present invention and an earth conductor
It is close；Therefore, the diameter of product does not increase substantially.
Therefore, the present invention has following main beneficial effect：Make simple, speed of production fast, ground connection layer resistivity is lower,
Maintenance cost is lower, cost is lower, weight is lighter.
The present invention is not limited to above-mentioned preferred forms, it will be appreciated that the design of the present invention can be by other a variety of shapes
Formula is implemented to use, and they are also fallen within protection scope of the present invention.
Claims (2)
1. the manufacture method of the ground plane of anti-lightning strike optoelectronic composite cable, it is characterised in that it includes following steps：
The first step：Make light unit：Many optical fibers and petroleum jelly are put in Loose tube by plastic extruder, Loose tube
Middle optical fiber excess length is 0.03~0.06 ‰；
Second step：Take conductor and form the first electric unit in the outer plastic extruding insulated layer of conductor；Separately take conductor and extrusion molding is exhausted outside conductor
Edge layer forms the second electric unit；
3rd step：First and second electric unit of gained is placed in parallel in light unit obtained by taking in the first step and second step, and
Outside longitudinal direction or the protective layer of helical coated first at them, longitudinal direction cladding when, the first protective layer overlap joint overlapping widths be 2~
4mm；During helical coated, the first protective layer overlap joint Duplication is 15%~30%；First protective layer is synthetic mica tape and thickness is
0.1mm~2mm；
4th step：In the outer extrusion molding cladding inner sheath of the first protective layer obtained by the 3rd step；
5th step：The second protective layer is placed outside inner sheath, the second protective layer is synthetic mica tape and thickness is 0.1mm~2mm；
6th step：Ground plane is placed outside the second protective layer, the ground plane is being connect by earth conductor, filler rod and helical coated
Earthed conductor is constituted with the winding layer outside filler rod, and earth conductor is mutually alternately distributed with filler rod outside the second protective layer,
The diameter of filler rod is not more than the diameter of earth conductor, and winding layer contacts with every earth conductor and keeps electrically connecting
It is logical；Earth conductor is that the direction to favour cable core axis or the direction parallel to cable core axis are coated on outside the second protective layer
, when outside earth conductor is coated on the second protective layer with the direction for favouring cable core axis, the pitch of cladding is the second guarantor
15~30 times of sheath diameter；The material of winding layer is copper wire or aluminium wire or other conductive filaments or conductive strips；Winding helical layer bag
When overlaying on outside earth conductor and filler rod, screw pitch is 5~15 times of the second protective layer diameter；Form anti-lightning strike light to reply by cable
Close the manufacture of the ground plane of cable.
2. the manufacture method of the armor of anti-lightning strike optoelectronic composite cable, it is characterised in that it includes following steps：
The first step：Make light unit：Many optical fibers and petroleum jelly are put in Loose tube by plastic extruder, Loose tube
Middle optical fiber excess length is 0.03~0.06 ‰；
Second step：Take conductor and form the first electric unit in the outer plastic extruding insulated layer of conductor；Separately take conductor and extrusion molding is exhausted outside conductor
Edge layer forms the second electric unit；
3rd step：First and second electric unit of gained is placed in parallel in light unit obtained by taking in the first step and second step, and
Outside longitudinal direction or the protective layer of helical coated first at them, longitudinal direction cladding when, the first protective layer overlap joint overlapping widths be 2~
4mm；During helical coated, the first protective layer overlap joint Duplication is 15%~30%；First protective layer is synthetic mica tape and thickness is
0.1mm~2mm；
4th step：In the outer extrusion molding cladding inner sheath of the first protective layer obtained by the 3rd step；
5th step：The second protective layer is placed outside inner sheath, the second protective layer is synthetic mica tape and thickness is 0.1mm~2mm；
6th step：Ground plane is placed outside the second protective layer, the ground plane is being connect by earth conductor, filler rod and helical coated
Earthed conductor is constituted with the winding layer outside filler rod, and earth conductor is mutually alternately distributed with filler rod outside the second protective layer,
The diameter of filler rod is not more than the diameter of earth conductor, and winding layer contacts with every earth conductor and keeps electrically connecting
It is logical；Earth conductor is that the direction to favour cable core axis or the direction parallel to cable core axis are coated on outside the second protective layer
, when outside earth conductor is coated on the second protective layer with the direction for favouring cable core axis, the pitch of cladding is the second guarantor
15~30 times of sheath diameter；The material of winding layer is copper wire or aluminium wire or other conductive filaments or conductive strips；Winding helical layer bag
When overlaying on outside earth conductor and filler rod, screw pitch is 5~15 times of the second protective layer diameter；
7th step：Armor is placed outside the ground plane of the 6th step；Armor is one side film steel band, and armor connects with ground plane
Tactile face is non-overlay film face；Form the manufacture of the armor of anti-lightning strike optoelectronic composite cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610000191.0A CN105609170B (en) | 2014-09-03 | 2014-09-03 | Lightning protection photoelectric composite cable, grounding layer, armoured layer and manufacturing methods for grounding layer and armoured layer |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610000191.0A CN105609170B (en) | 2014-09-03 | 2014-09-03 | Lightning protection photoelectric composite cable, grounding layer, armoured layer and manufacturing methods for grounding layer and armoured layer |
| CN201410442415.4A CN104167243B (en) | 2014-09-03 | 2014-09-03 | The communication base station manufacture method of anti-lightning strike optoelectronic composite cable |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410442415.4A Division CN104167243B (en) | 2014-09-03 | 2014-09-03 | The communication base station manufacture method of anti-lightning strike optoelectronic composite cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105609170A CN105609170A (en) | 2016-05-25 |
| CN105609170B true CN105609170B (en) | 2017-05-17 |
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ID=51911021
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410442415.4A Expired - Fee Related CN104167243B (en) | 2014-09-03 | 2014-09-03 | The communication base station manufacture method of anti-lightning strike optoelectronic composite cable |
| CN201610000191.0A Active CN105609170B (en) | 2014-09-03 | 2014-09-03 | Lightning protection photoelectric composite cable, grounding layer, armoured layer and manufacturing methods for grounding layer and armoured layer |
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|---|---|---|---|
| CN201410442415.4A Expired - Fee Related CN104167243B (en) | 2014-09-03 | 2014-09-03 | The communication base station manufacture method of anti-lightning strike optoelectronic composite cable |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104700959B (en) * | 2015-04-07 | 2017-01-04 | 镒胜电子（深圳）有限公司 | A kind of remote radio head optoelectrical cable and manufacture method thereof |
| CN105761836B (en) * | 2015-04-07 | 2017-04-12 | 江苏通光信息有限公司 | Remote opto-electric composite cable and manufacturing method thereof |
| CN104795177B (en) * | 2015-04-07 | 2017-02-08 | 国网山东省电力公司莒南县供电公司 | Remote opto-electric composite cable and manufacturing method thereof |
| CN106079815B (en) * | 2016-06-06 | 2019-08-30 | 深圳新澳科电缆有限公司 | A kind of automatic film covering device |
| CN110473659A (en) * | 2018-05-09 | 2019-11-19 | 江苏宝安电缆有限公司 | A lightning protection direct buried cable |
| CN109100845A (en) * | 2018-09-11 | 2018-12-28 | 山东太平洋光纤光缆有限公司 | A kind of half dry type fire resisting resistance to mechanical vibration photoelectric composite optical cable and preparation method thereof |
| CN110120277B (en) * | 2019-05-23 | 2024-03-29 | 安徽新特华宇电缆有限公司 | Medium-voltage variable-frequency power cable for ocean engineering and manufacturing method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201051426Y (en) * | 2007-06-29 | 2008-04-23 | 天津安讯达科技有限公司 | RF coaxial bundle cable for 3G base station |
| CN102037624A (en) * | 2008-04-08 | 2011-04-27 | Wpfy股份有限公司 | Metal sheathed cable assembly |
| CN201402678Y (en) * | 2009-05-11 | 2010-02-10 | 中利科技集团股份有限公司 | Lightning-proof optical cable |
| CN201590288U (en) * | 2009-11-25 | 2010-09-22 | 江苏金牛线缆集团有限公司 | Concentric conductor shielded power cable |
| CN202150286U (en) * | 2011-08-25 | 2012-02-22 | 安徽航天电缆集团有限公司 | Umbilical cord cable |
| CN203338868U (en) * | 2013-07-01 | 2013-12-11 | 中利科技集团股份有限公司 | Lightning protection cable for communication base station |
-
2014
- 2014-09-03 CN CN201410442415.4A patent/CN104167243B/en not_active Expired - Fee Related
- 2014-09-03 CN CN201610000191.0A patent/CN105609170B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104167243A (en) | 2014-11-26 |
| CN104167243B (en) | 2016-04-13 |
| CN105609170A (en) | 2016-05-25 |
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