CN204632374U - Remote radio head cable - Google Patents
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- CN204632374U CN204632374U CN201520203564.5U CN201520203564U CN204632374U CN 204632374 U CN204632374 U CN 204632374U CN 201520203564 U CN201520203564 U CN 201520203564U CN 204632374 U CN204632374 U CN 204632374U
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Abstract
The utility model belongs to technical field of cables, especially relate to remote radio head cable, it is characterized in that it squeezes the central reinforce member of plastic layer, the inner cushion layer outside plastic layer, the outer bed course outside inner cushion layer, power transmission bodies between inner cushion layer with outer bed course by outside, is positioned at protective layer outside outer bed course, oversheath that the many intercell connectors be connected with outer bed course by inner cushion layer, extrusion moldings are coated on outside protective layer is formed; Inner cushion layer, intercell connector, outer bed course are integrally formed by extrusion molding; Inner cushion layer is close to plastic layer, and power transmission bodies is distributed between inner cushion layer and outer bed course and one deck power transmission bodies can only be placed in gap between inner cushion layer and outer bed course, and outer bed course is close to by protective layer.The utility model further discloses remote radio head optical cable, optoelectronic composite cable and their manufacture method.Cable of the present utility model has following main beneficial effect: structure is simple, be easy to manufacture, indoor and outdoor surroundings is general, bending resistance is excellent, more soft, more easily construct, antisum radianting capacity is strong.
Description
Technical field
The utility model belongs to technical field of cables, especially relates to communication remote radio head optical cable, cable and optoelectronic composite cable.
Background technology
In base station signal transmission system, be called that less radio-frequency draws useless cable from the cable Base Band Unit BBU to wireless radio remote unit RRU, wherein for RRU provides the optical cable of Signal transmissions to be called remote radio head cable.Less radio-frequency draws this locality with optical cable is mainly used in being positioned at same base sites to zoom out, and length is generally 100 to 300 meters, when the longer distance of needs zooms out, outdoor optical cable should be adopted to connect, and existing end connects remote radio head optical cable again.In like manner, for base station provides the length of the cable of electric power general also at about 200 meters, this cable is called and zooms out cable, and can go deep into customer center, base station no longer needs a large amount of inputs of transformer etc.
Both at home and abroad for the case that dragging optical cable and cable have had research and development and used, but dragging optical cable of the prior art is less effective in indoor and outdoor surroundings is general, and antisum radianting capacity is not ideal enough, softness can not meet the demands.
Utility model content
In order to solve the problem, the purpose of this utility model discloses communication remote radio head optical cable, disclose remote radio head cable further, further disclose remote radio head optoelectronic composite cable and their manufacture method, they realize by the following technical solutions.
In embodiment 1 of the present utility model, remote radio head optical cable is used in communication, it is characterized in that it squeezes the central reinforce member 1 of plastic layer 2, the inner cushion layer 31 outside plastic layer 2, the outer bed course 4 outside inner cushion layer, optical transmit body 3 between inner cushion layer and outer bed course by outside, is positioned at protective layer 5 outside outer bed course, oversheath 6 that extrusion molding is coated on outside protective layer is formed; Inner cushion layer is close to plastic layer, and optical transmit body is distributed between inner cushion layer and outer bed course and one deck optical transmit body can only be placed in gap between inner cushion layer and outer bed course, and outer bed course is close to by protective layer; central reinforce member is fiberglass reinforced plastics or aramid yarn or glass fiber yarn, the material of plastic layer is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low smoke and zero halogen polyethylene or polypropylene, the material of inner cushion layer is polybutylene terephthalate (PBT) or modified polypropene, the material of outer bed course is also polybutylene terephthalate (PBT) or modified polypropene, the material of protective layer is aramid yarn or glass fiber yarn or waterstop or nonwoven fabrics or compound aluminium strip or composite steel band, the material of oversheath is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low smoke and zero halogen polyethylene, described optical transmit body is many G.652 optical fiber or many G.655 optical fiber or many G.657 optical fiber or many A1a optical fiber or many A1b optical fiber or many A1c optical fiber or many OM1 optical fiber or many OM2 optical fiber or many OM3 optical fiber or many tight tube fibers, described tight tube fiber is by internal layer G.652 optical fiber or G.655 optical fiber or G.657 optical fiber or A1a optical fiber or A1b optical fiber or A1c optical fiber or OM1 optical fiber or OM2 optical fiber or OM3 optical fiber, and the tight sleeve layer be positioned at outside internal layer is formed, different optical transmit body can distinguish each other.
In embodiment 1 of the present utility model, remote radio head cable, is characterized in that it squeezes the central reinforce member 1 of plastic layer 2, the inner cushion layer 31 outside plastic layer 2, the outer bed course 4 outside inner cushion layer, power transmission bodies 3 between inner cushion layer and outer bed course by outside, is positioned at protective layer 5 outside outer bed course, oversheath 6 that extrusion molding is coated on outside protective layer is formed, inner cushion layer is close to plastic layer, and power transmission bodies is distributed between inner cushion layer and outer bed course and one deck power transmission bodies can only be placed in gap between inner cushion layer and outer bed course, and outer bed course is close to by protective layer, central reinforce member is fiberglass reinforced plastics or aramid yarn or glass fiber yarn, the material of plastic layer is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low smoke and zero halogen polyethylene or polypropylene, the material of inner cushion layer is polybutylene terephthalate (PBT) or modified polypropene, the material of outer bed course is also polybutylene terephthalate (PBT) or modified polypropene, the material of protective layer is aramid yarn or glass fiber yarn or waterstop or nonwoven fabrics or compound aluminium strip or composite steel band, the material of oversheath is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low smoke and zero halogen polyethylene, described power transmission bodies is many is that conductor and the insulating barrier be coated on outside internal layer are formed by internal layer, different power transmission bodies can distinguish each other.
In embodiment 1 of the present utility model, remote radio head optoelectronic composite cable, is characterized in that the oversheath 6 that it squeezes the central reinforce member 1 of plastic layer 2, the inner cushion layer 31 outside plastic layer 2, the outer bed course 4 outside inner cushion layer, power transmission bodies between inner cushion layer and outer bed course and optical transmit body 3 by outside, is positioned at protective layer 5 outside outer bed course, extrusion molding is coated on outside protective layer is formed, inner cushion layer is close to plastic layer, and optical transmit body and power transmission bodies are distributed between inner cushion layer and outer bed course and one deck power transmission bodies and optical transmit body can only be placed in gap between inner cushion layer and outer bed course, and outer bed course is close to by protective layer, central reinforce member is fiberglass reinforced plastics or aramid yarn or glass fiber yarn, the material of plastic layer is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low smoke and zero halogen polyethylene or polypropylene, the material of inner cushion layer is polybutylene terephthalate (PBT) or modified polypropene, the material of outer bed course is also polybutylene terephthalate (PBT) or modified polypropene, the material of protective layer is aramid yarn or glass fiber yarn or waterstop or nonwoven fabrics or compound aluminium strip or composite steel band, the material of oversheath is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low smoke and zero halogen polyethylene, described power transmission bodies is many is that conductor and the insulating barrier be coated on outside internal layer are formed by internal layer, different power transmission bodies can distinguish each other, described optical transmit body is many G.652 optical fiber or many G.655 optical fiber or many G.657 optical fiber or many A1a optical fiber or many A1b optical fiber or many A1c optical fiber or many OM1 optical fiber or many OM2 optical fiber or many OM3 optical fiber or many tight tube fibers, described tight tube fiber by internal layer G.652 optical fiber or G.655 optical fiber or G.657 optical fiber or A1a optical fiber or A1b optical fiber or A1c optical fiber or OM1 optical fiber or OM2 optical fiber or OM3 optical fiber and the tight sleeve layer be positioned at outside internal layer form, different optical transmit body can distinguish each other, the diameter of power transmission bodies is greater than single times of diameter of optical transmit body and is less than optical transmit body double diameter.
Manufacture a method for communication remote radio head optical cable, it is characterized in that it comprises following steps:
Manufacture the step of plastic layer: using fiberglass reinforced plastics or aramid yarn or glass fiber yarn as central reinforce member, outside central reinforce member, squeeze into low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low smoke and zero halogen polyethylene or polypropylene form plastic layer, plastic layer is cylindrical shape;
Manufacture the step of inner cushion layer: get polybutylene terephthalate (PBT) or modified polypropene and be coated on plastic layer by extrusion molding and form inner cushion layer outward; Or get polybutylene terephthalate (PBT) or modified polypropene pulls into the inner cushion layer of inner hollow by plastic extruding machine, embed plastic layer at interior hollow section;
Manufacture the step of outer bed course: to be placed on by optical transmit body outside inner cushion layer and to be close to inner cushion layer, get polybutylene terephthalate (PBT) or modified polypropene pulls into by plastic extruding machine the outer bed course that inside has cavity, and make inner cushion layer and optical transmit body be placed in the internal cavities of outer bed course, and one deck optical transmit body can only be placed in the gap between inner cushion layer and outer bed course; Described optical transmit body is many G.652 optical fiber or many G.655 optical fiber or many G.657 optical fiber or many A1a optical fiber or many A1b optical fiber or many A1c optical fiber or many OM1 optical fiber or many OM2 optical fiber or many OM3 optical fiber or many tight tube fibers, described tight tube fiber by internal layer G.652 optical fiber or G.655 optical fiber or G.657 optical fiber or A1a optical fiber or A1b optical fiber or A1c optical fiber or OM1 optical fiber or OM2 optical fiber or OM3 optical fiber and the tight sleeve layer be positioned at outside internal layer form, different optical transmit body can be distinguished between two;
Manufacture the step of oversheath: outside bed course, place aramid yarn or glass fiber yarn formation protective layer outside equably, or outside bed course, longitudinally coated the or coated waterstop of spiral winding or nonwoven fabrics form protective layer outside, or outside outside bed course longitudinal covered composite yarn aluminium strip or composite steel band form protective layer; Get jacket material extrusion molding to be coated on protective layer and to form oversheath outward, complete the manufacture of the method for communication remote radio head optical cable.
In communication remote radio head optical cable described above and manufacture method thereof, it is characterized in that the material of described oversheath be low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low smoke and zero halogen polyethylene or polypropylene or polytetrafluoroethylene or thermoplastic elastomer (TPE) or described oversheath by weight, comprise following raw material: polyfluoroethylene resin: 20 ~ 40 parts, nylon 6 or nylon 12 or nylon66 fiber: 10 ~ 20 parts, linear low density polyethylene resin: 30 ~ 50 parts, aluminium hydroxide: 5 ~ 10 parts, magnesium hydroxide: 5 ~ 10 parts, Tissuemat E: 3 ~ 5 parts, trioctyl trimellitate (TOTM): 3 ~ 5 parts, its polymers of the ethylene-vinyl acetate of maleic anhydride graft: 8 ~ 12 parts, titanate esters: 3 ~ 5 parts, commercially available model is the antioxidant of 1010: 1 ~ 3 part, commercially available model is the antioxidant of 168: 1 ~ 3 part, titanium dioxide: 2 ~ 4 parts, carbon black: 1 ~ 2 part.
Through applicant's repetition test, find the best performance of the oversheath adopting following formula: namely described oversheath by weight, comprise following raw material: polyfluoroethylene resin: 30 parts, nylon 6 or nylon 12 or nylon66 fiber: 15 parts, linear low density polyethylene resin: 40 parts, aluminium hydroxide: 8 parts, magnesium hydroxide: 7 parts, Tissuemat E: 4 parts, trioctyl trimellitate (TOTM): 4 parts, its polymers of the ethylene-vinyl acetate of maleic anhydride graft: 10 parts, titanate esters: 4 parts, commercially available model is the antioxidant of 1010: 2 parts, commercially available model is the antioxidant of 168: 2 parts, titanium dioxide: 3 parts, carbon black: 1.5 parts.
Through applicant's repetition test, find to adopt the performance of the oversheath of following formula more excellent: namely described oversheath by weight, comprise following raw material: polyfluoroethylene resin: 20 parts, nylon 6 or nylon 12 or nylon66 fiber: 10 parts, linear low density polyethylene resin: 30 parts, aluminium hydroxide: 5 parts, magnesium hydroxide: 5 parts, Tissuemat E: 3 parts, trioctyl trimellitate (TOTM): 3 parts, its polymers of the ethylene-vinyl acetate of maleic anhydride graft: 8 parts, titanate esters: 3 parts, commercially available model is the antioxidant of 1010: 1 part, commercially available model is the antioxidant of 168: 1 part, titanium dioxide: 2 parts, carbon black: 1 part.
Through applicant's repetition test, find the performance suboptimum of the oversheath adopting following formula: namely described oversheath by weight, polyfluoroethylene resin: 40 parts, nylon 6 or nylon 12 or nylon66 fiber: 20 parts, linear low density polyethylene resin: 50 parts, aluminium hydroxide: 10 parts, magnesium hydroxide: 10 parts, Tissuemat E: 5 parts, trioctyl trimellitate (TOTM): 5 parts, its polymers of the ethylene-vinyl acetate of maleic anhydride graft: 12 parts, titanate esters: 5 parts, commercially available model is the antioxidant of 1010: 3 parts, commercially available model is the antioxidant of 168: 3 parts, titanium dioxide: 4 parts, carbon black: 2 parts.
Cable of the present utility model has following main beneficial effect: structure is simple, be easy to manufacture, indoor and outdoor surroundings is general, bending resistance is excellent, more soft, more easily construct, antisum radianting capacity is strong.
Manufacture method of the present utility model simply, is easily grasped, obtained cable product qualified rate is high.
Protective cover material in the utility model has: hot strength, break-draw strain index is high, thermal contraction is low; Resistance to torsion, bending resistance are better, more soft; After high light irradiation, tensile strength, elongation at break index still can keep good, more can anti-Japanese photograph, more can the Advantageous Effects such as long term high temperature environment use.
Accompanying drawing explanation
Fig. 1 is the perspective view of the utility model embodiment 1.
Fig. 2 is the cross-sectional structure schematic diagram after Fig. 1 amplifies.
Fig. 3 is the perspective view of the utility model embodiment 2.
Fig. 4 is the cross-sectional structure schematic diagram after Fig. 3 amplifies.
Fig. 5 is the perspective view of the utility model embodiment 3.
Fig. 6 is the cross-sectional structure schematic diagram after Fig. 5 amplifies.
Embodiment
embodiment 1
Ask for an interview Fig. 1 and Fig. 2, remote radio head optical cable is used in communication, it is characterized in that it squeezes the central reinforce member 1 of plastic layer 2, the inner cushion layer 31 outside plastic layer 2, the outer bed course 4 outside inner cushion layer, optical transmit body 3 between inner cushion layer and outer bed course by outside, is positioned at protective layer 5 outside outer bed course, oversheath 6 that extrusion molding is coated on outside protective layer is formed; Inner cushion layer is close to plastic layer, and optical transmit body is distributed between inner cushion layer and outer bed course and one deck optical transmit body can only be placed in gap between inner cushion layer and outer bed course, and outer bed course is close to by protective layer; central reinforce member is fiberglass reinforced plastics or aramid yarn or glass fiber yarn, the material of plastic layer is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low smoke and zero halogen polyethylene or polypropylene, the material of inner cushion layer is polybutylene terephthalate (PBT) or modified polypropene, the material of outer bed course is also polybutylene terephthalate (PBT) or modified polypropene, the material of protective layer is aramid yarn or glass fiber yarn or waterstop or nonwoven fabrics or compound aluminium strip or composite steel band, the material of oversheath is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low smoke and zero halogen polyethylene, described optical transmit body is many G.652 optical fiber or many G.655 optical fiber or many G.657 optical fiber or many A1a optical fiber or many A1b optical fiber or many A1c optical fiber or many OM1 optical fiber or many OM2 optical fiber or many OM3 optical fiber or many tight tube fibers, described tight tube fiber is by internal layer G.652 optical fiber or G.655 optical fiber or G.657 optical fiber or A1a optical fiber or A1b optical fiber or A1c optical fiber or OM1 optical fiber or OM2 optical fiber or OM3 optical fiber, and the tight sleeve layer be positioned at outside internal layer is formed, different optical transmit body can distinguish each other.
Communication described in this embodiment remote radio head optical cable, its maximum feature is compact conformation, external diameter is little, lightweight, fibre core density is large, softness is excellent.
Certainly, communication remote radio head optical cable described above, it is characterized in that described optical transmit body can also be the fibre ribbon that inside comprises many G.652 optical fiber or G.655 optical fiber or G.657 optical fiber or A1a optical fiber or A1b optical fiber or A1c optical fiber or OM1 optical fiber or OM2 optical fiber or OM3 optical fiber, described fibre ribbon is placed in free state in the gap between inner cushion layer and outer bed course.
As further improvement, communication remote radio head optical cable described above, it is characterized in that placing the gasket for packing of diameter slightly larger than optical transmit body diameter in the gap between described inner cushion layer and outer bed course, the gap between inner cushion layer and outer bed course is greater than optical transmit body single times of diameter and is less than optical transmit body double diameter; In such cases, differ from above-mentioned execution mode and only have optical transmit body to form and the situation of optical transmit body equal diameters, make that optical cable is more logical bears pressure, impulsive force, alternating bending and torsion, make optical cable have more excellent mechanical performance; Meanwhile, the mobilizable space of optical transmit body is increased, and the ambient temperature range that optical cable can bear is wider, can ensure in the temperature range of 80 to 150 degrees Celsius, and temperature additional attenuation maximum changing value is not more than 0.03dB/km, more can adapt to the medium-term and long-term use in base base station.
As further improvement, said structure can form remote radio head cable, it is characterized in that it squeezes the central reinforce member 1 of plastic layer 2, the inner cushion layer 31 outside plastic layer 2, the outer bed course 4 outside inner cushion layer, power transmission bodies 3 between inner cushion layer and outer bed course by outside, is positioned at protective layer 5 outside outer bed course, oversheath 6 that extrusion molding is coated on outside protective layer is formed, inner cushion layer is close to plastic layer, and power transmission bodies is distributed between inner cushion layer and outer bed course and one deck power transmission bodies can only be placed in gap between inner cushion layer and outer bed course, and outer bed course is close to by protective layer, central reinforce member is fiberglass reinforced plastics or aramid yarn or glass fiber yarn, the material of plastic layer is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low smoke and zero halogen polyethylene or polypropylene, the material of inner cushion layer is polybutylene terephthalate (PBT) or modified polypropene, the material of outer bed course is also polybutylene terephthalate (PBT) or modified polypropene, the material of protective layer is aramid yarn or glass fiber yarn or waterstop or nonwoven fabrics or compound aluminium strip or composite steel band, the material of oversheath is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low smoke and zero halogen polyethylene, described power transmission bodies is many is that conductor and the insulating barrier be coated on outside internal layer are formed by internal layer, different power transmission bodies can distinguish each other.This structure reaches the function transmitted electric power.
Certainly, as further improving, said structure can form remote radio head optoelectronic composite cable, it is characterized in that the oversheath 6 that it squeezes the central reinforce member 1 of plastic layer 2, the inner cushion layer 31 outside plastic layer 2, the outer bed course 4 outside inner cushion layer, power transmission bodies between inner cushion layer and outer bed course and optical transmit body 3 by outside, is positioned at protective layer 5 outside outer bed course, extrusion molding is coated on outside protective layer is formed, inner cushion layer is close to plastic layer, and optical transmit body and power transmission bodies are distributed between inner cushion layer and outer bed course and one deck power transmission bodies and optical transmit body can only be placed in gap between inner cushion layer and outer bed course, and outer bed course is close to by protective layer, central reinforce member is fiberglass reinforced plastics or aramid yarn or glass fiber yarn, the material of plastic layer is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low smoke and zero halogen polyethylene or polypropylene, the material of inner cushion layer is polybutylene terephthalate (PBT) or modified polypropene, the material of outer bed course is also polybutylene terephthalate (PBT) or modified polypropene, the material of protective layer is aramid yarn or glass fiber yarn or waterstop or nonwoven fabrics or compound aluminium strip or composite steel band, the material of oversheath is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low smoke and zero halogen polyethylene, described power transmission bodies is many is that conductor and the insulating barrier be coated on outside internal layer are formed by internal layer, different power transmission bodies can distinguish each other, described optical transmit body is many G.652 optical fiber or many G.655 optical fiber or many G.657 optical fiber or many A1a optical fiber or many A1b optical fiber or many A1c optical fiber or many OM1 optical fiber or many OM2 optical fiber or many OM3 optical fiber or many tight tube fibers, described tight tube fiber by internal layer G.652 optical fiber or G.655 optical fiber or G.657 optical fiber or A1a optical fiber or A1b optical fiber or A1c optical fiber or OM1 optical fiber or OM2 optical fiber or OM3 optical fiber and the tight sleeve layer be positioned at outside internal layer form, different optical transmit body can distinguish each other, the diameter of power transmission bodies is greater than single times of diameter of optical transmit body and is less than optical transmit body double diameter.In such cases, differ from above-mentioned execution mode and only have optical transmit body to form and the situation of optical transmit body equal diameters, make that remote radio head optoelectronic composite cable is more logical bears pressure, impulsive force, alternating bending and torsion, make optical cable have more excellent mechanical performance; Meanwhile, the mobilizable space of optical transmit body is increased, and the ambient temperature range that optical cable can bear is wider, can ensure in the temperature range of 80 to 150 degrees Celsius, and temperature additional attenuation maximum changing value is not more than 0.03dB/km, more can adapt to the medium-term and long-term use in base base station; And can simultaneously transferring electric power, save the fund input of transformer etc., reduce maintenance cost, the volume of base station is reduced greatly.
Manufacture a method for communication remote radio head optical cable, it is characterized in that it comprises following steps:
Manufacture the step of plastic layer: using fiberglass reinforced plastics or aramid yarn or glass fiber yarn as central reinforce member, outside central reinforce member, squeeze into low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low smoke and zero halogen polyethylene or polypropylene form plastic layer, plastic layer is cylindrical shape;
Manufacture the step of inner cushion layer: get polybutylene terephthalate (PBT) or modified polypropene and be coated on plastic layer by extrusion molding and form inner cushion layer outward; Or get polybutylene terephthalate (PBT) or modified polypropene pulls into the inner cushion layer of inner hollow by plastic extruding machine, embed plastic layer at interior hollow section;
Manufacture the step of outer bed course: to be placed on by optical transmit body outside inner cushion layer and to be close to inner cushion layer, get polybutylene terephthalate (PBT) or modified polypropene pulls into by plastic extruding machine the outer bed course that inside has cavity, and make inner cushion layer and optical transmit body be placed in the internal cavities of outer bed course, and one deck optical transmit body can only be placed in the gap between inner cushion layer and outer bed course; Described optical transmit body is many G.652 optical fiber or many G.655 optical fiber or many G.657 optical fiber or many A1a optical fiber or many A1b optical fiber or many A1c optical fiber or many OM1 optical fiber or many OM2 optical fiber or many OM3 optical fiber or many tight tube fibers, described tight tube fiber by internal layer G.652 optical fiber or G.655 optical fiber or G.657 optical fiber or A1a optical fiber or A1b optical fiber or A1c optical fiber or OM1 optical fiber or OM2 optical fiber or OM3 optical fiber and the tight sleeve layer be positioned at outside internal layer form, different optical transmit body can be distinguished between two;
Manufacture the step of oversheath: outside bed course, place aramid yarn or glass fiber yarn formation protective layer outside equably, or outside bed course, longitudinally coated the or coated waterstop of spiral winding or nonwoven fabrics form protective layer outside, or outside outside bed course longitudinal covered composite yarn aluminium strip or composite steel band form protective layer; Get jacket material extrusion molding to be coated on protective layer and to form oversheath outward, complete the manufacture of communication remote radio head optical cable.
Manufacture a method for communication remote radio head optical cable, it is characterized in that it comprises following steps:
Manufacture the step of plastic layer: using fiberglass reinforced plastics or aramid yarn or glass fiber yarn as central reinforce member, outside central reinforce member, squeeze into low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low smoke and zero halogen polyethylene or polypropylene form plastic layer, plastic layer is cylindrical shape;
Manufacture the step of inner cushion layer: get polybutylene terephthalate (PBT) or modified polypropene and be coated on plastic layer by extrusion molding and form inner cushion layer outward; Or get polybutylene terephthalate (PBT) or modified polypropene pulls into the inner cushion layer of inner hollow by plastic extruding machine, embed plastic layer at interior hollow section;
Manufacture the step of outer bed course: to be placed on by optical transmit body outside inner cushion layer and to be close to inner cushion layer, get polybutylene terephthalate (PBT) or modified polypropene pulls into by plastic extruding machine the outer bed course that inside has cavity, and make inner cushion layer and optical transmit body be placed in the internal cavities of outer bed course, and one deck optical transmit body can only be placed in the gap between inner cushion layer and outer bed course; Described optical transmit body is many G.652 optical fiber or many G.655 optical fiber or many G.657 optical fiber or many A1a optical fiber or many A1b optical fiber or many A1c optical fiber or many OM1 optical fiber or many OM2 optical fiber or many OM3 optical fiber or many tight tube fibers, described tight tube fiber by internal layer G.652 optical fiber or G.655 optical fiber or G.657 optical fiber or A1a optical fiber or A1b optical fiber or A1c optical fiber or OM1 optical fiber or OM2 optical fiber or OM3 optical fiber and the tight sleeve layer be positioned at outside internal layer form, different optical transmit body can be distinguished between two; Have in described optical transmit body part be filled rope substitute, the diameter of described gasket for packing is slightly larger than optical transmit body diameter, and the gap between inner cushion layer and outer bed course is greater than optical transmit body single times of diameter and is less than optical transmit body double diameter;
Manufacture the step of oversheath: outside bed course, place aramid yarn or glass fiber yarn formation protective layer outside equably, or outside bed course, longitudinally coated the or coated waterstop of spiral winding or nonwoven fabrics form protective layer outside, or outside outside bed course longitudinal covered composite yarn aluminium strip or composite steel band form protective layer; Get jacket material extrusion molding to be coated on protective layer and to form oversheath outward, complete the manufacture of communication remote radio head optical cable.
Manufacture a method for remote radio head cable, it is characterized in that it comprises following steps:
Manufacture the step of plastic layer: using fiberglass reinforced plastics or aramid yarn or glass fiber yarn as central reinforce member, outside central reinforce member, squeeze into low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low smoke and zero halogen polyethylene or polypropylene form plastic layer, plastic layer is cylindrical shape;
Manufacture the step of inner cushion layer: get polybutylene terephthalate (PBT) or modified polypropene and be coated on plastic layer by extrusion molding and form inner cushion layer outward; Or get polybutylene terephthalate (PBT) or modified polypropene pulls into the inner cushion layer of inner hollow by plastic extruding machine, embed plastic layer at interior hollow section;
Manufacture the step of outer bed course: to be placed on by power transmission bodies outside inner cushion layer and to be close to inner cushion layer, get polybutylene terephthalate (PBT) or modified polypropene pulls into by plastic extruding machine the outer bed course that inside has cavity, and make inner cushion layer and power transmission bodies be placed in the internal cavities of outer bed course, and one deck power transmission bodies can only be placed in the gap between inner cushion layer and outer bed course; Described power transmission bodies is many is that conductor and the insulating barrier be coated on outside internal layer are formed by internal layer, and different power transmission bodies can be distinguished mutually;
Manufacture the step of oversheath: outside bed course, place aramid yarn or glass fiber yarn formation protective layer outside equably, or outside bed course, longitudinally coated the or coated waterstop of spiral winding or nonwoven fabrics form protective layer outside, or outside outside bed course longitudinal covered composite yarn aluminium strip or composite steel band form protective layer; Get jacket material extrusion molding to be coated on protective layer and to form oversheath outward, complete the manufacture of communication remote radio head cable.
Manufacture a method for remote radio head optoelectronic composite cable, it is characterized in that it comprises following steps:
Manufacture the step of plastic layer: using fiberglass reinforced plastics or aramid yarn or glass fiber yarn as central reinforce member, outside central reinforce member, squeeze into low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low smoke and zero halogen polyethylene or polypropylene form plastic layer, plastic layer is cylindrical shape;
Manufacture the step of inner cushion layer: get polybutylene terephthalate (PBT) or modified polypropene and be coated on plastic layer by extrusion molding and form inner cushion layer outward; Or get polybutylene terephthalate (PBT) or modified polypropene pulls into the inner cushion layer of inner hollow by plastic extruding machine, embed plastic layer at interior hollow section;
Manufacture the step of outer bed course: power transmission bodies and optical transmit body to be placed on outside inner cushion layer and to be close to inner cushion layer, get polybutylene terephthalate (PBT) or modified polypropene pulls into by plastic extruding machine the outer bed course that inside has cavity, and make inner cushion layer and power transmission bodies and optical transmit body be placed in the internal cavities of outer bed course, and one deck power transmission bodies and optical transmit body can only be placed in the gap between inner cushion layer and outer bed course; Described power transmission bodies is many is that conductor and the insulating barrier be coated on outside internal layer are formed by internal layer, and different power transmission bodies can distinguish each other; Described optical transmit body is many G.652 optical fiber or many G.655 optical fiber or many G.657 optical fiber or many A1a optical fiber or many A1b optical fiber or many A1c optical fiber or many OM1 optical fiber or many OM2 optical fiber or many OM3 optical fiber or many tight tube fibers, described tight tube fiber by internal layer G.652 optical fiber or G.655 optical fiber or G.657 optical fiber or A1a optical fiber or A1b optical fiber or A1c optical fiber or OM1 optical fiber or OM2 optical fiber or OM3 optical fiber and the tight sleeve layer be positioned at outside internal layer form, different optical transmit body can distinguish each other; The diameter of power transmission bodies is greater than single times of diameter of optical transmit body and is less than optical transmit body double diameter;
Manufacture the step of oversheath: outside bed course, place aramid yarn or glass fiber yarn formation protective layer outside equably, or outside bed course, longitudinally coated the or coated waterstop of spiral winding or nonwoven fabrics form protective layer outside, or outside outside bed course longitudinal covered composite yarn aluminium strip or composite steel band form protective layer; Get jacket material extrusion molding to be coated on protective layer and to form oversheath outward, complete the manufacture of remote radio head optoelectronic composite cable.
Mutually distinguish between optical transmit body described above, then to optical fiber time, can distinguish by the dyed layer of optical fiber; So during to tight tube fiber, can be distinguished by the different colours of tight sleeve layer.
Mutually distinguishing between power transmission bodies described above, is distinguished by the different colours of insulating barrier.
embodiment 2
Ask for an interview Fig. 3 and Fig. 4, remote radio head optical cable is used in communication, basic embodiment 1, difference is: be connected by two intercell connectors 32 between inner cushion layer with outer bed course, in the gap of optical transmit body between inner cushion layer and outer bed course, inner cushion layer, intercell connector, outer bed course can be integrally formed by extrusion molding.
Certainly, also can be remote radio head cable as the embodiment 1 and optoelectronic composite cable.
embodiment 3
Ask for an interview Fig. 5 and Fig. 6, remote radio head optical cable is used in communication, basic embodiment 2, difference is: be connected by four intercell connectors 32 between inner cushion layer with outer bed course, in the gap of optical transmit body between inner cushion layer and outer bed course, inner cushion layer, intercell connector, outer bed course can be integrally formed by extrusion molding.
Certainly, also can be remote radio head cable as the embodiment 1 and optoelectronic composite cable.
Certainly, can also be connected by other many intercell connectors between inner cushion layer with outer bed course, the existing distribution of optical transmit body flexibly and/or the distribution of electric power can be realized.
Communication remote radio head optical cable described in above-mentioned arbitrary embodiment or remote radio head cable or remote radio head optoelectronic composite cable, it is characterized in that the material of described oversheath be low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low smoke and zero halogen polyethylene or polypropylene or polytetrafluoroethylene or thermoplastic elastomer (TPE) or described oversheath by weight, comprise following raw material: polyfluoroethylene resin: 20 ~ 40 parts, nylon 6 or nylon 12 or nylon66 fiber: 10 ~ 20 parts, linear low density polyethylene resin: 30 ~ 50 parts, aluminium hydroxide: 5 ~ 10 parts, magnesium hydroxide: 5 ~ 10 parts, Tissuemat E: 3 ~ 5 parts, trioctyl trimellitate (TOTM): 3 ~ 5 parts, its polymers of the ethylene-vinyl acetate of maleic anhydride graft: 8 ~ 12 parts, titanate esters: 3 ~ 5 parts, commercially available model is the antioxidant of 1010: 1 ~ 3 part, commercially available model is the antioxidant of 168: 1 ~ 3 part, titanium dioxide: 2 ~ 4 parts, carbon black: 1 ~ 2 part.
Through applicant's repetition test, find the best performance of the oversheath adopting following formula: namely described oversheath by weight, comprise following raw material: polyfluoroethylene resin: 30 parts, nylon 6 or nylon 12 or nylon66 fiber: 15 parts, linear low density polyethylene resin: 40 parts, aluminium hydroxide: 8 parts, magnesium hydroxide: 7 parts, Tissuemat E: 4 parts, trioctyl trimellitate (TOTM): 4 parts, its polymers of the ethylene-vinyl acetate of maleic anhydride graft: 10 parts, titanate esters: 4 parts, commercially available model is the antioxidant of 1010: 2 parts, commercially available model is the antioxidant of 168: 2 parts, titanium dioxide: 3 parts, carbon black: 1.5 parts.
Through applicant's repetition test, find to adopt the performance of the oversheath of following formula more excellent: namely described oversheath by weight, comprise following raw material: polyfluoroethylene resin: 20 parts, nylon 6 or nylon 12 or nylon66 fiber: 10 parts, linear low density polyethylene resin: 30 parts, aluminium hydroxide: 5 parts, magnesium hydroxide: 5 parts, Tissuemat E: 3 parts, trioctyl trimellitate (TOTM): 3 parts, its polymers of the ethylene-vinyl acetate of maleic anhydride graft: 8 parts, titanate esters: 3 parts, commercially available model is the antioxidant of 1010: 1 part, commercially available model is the antioxidant of 168: 1 part, titanium dioxide: 2 parts, carbon black: 1 part.
Through applicant's repetition test, find the performance suboptimum of the oversheath adopting following formula: namely described oversheath by weight, polyfluoroethylene resin: 40 parts, nylon 6 or nylon 12 or nylon66 fiber: 20 parts, linear low density polyethylene resin: 50 parts, aluminium hydroxide: 10 parts, magnesium hydroxide: 10 parts, Tissuemat E: 5 parts, trioctyl trimellitate (TOTM): 5 parts, its polymers of the ethylene-vinyl acetate of maleic anhydride graft: 12 parts, titanate esters: 5 parts, commercially available model is the antioxidant of 1010: 3 parts, commercially available model is the antioxidant of 168: 3 parts, titanium dioxide: 4 parts, carbon black: 2 parts.
Applicant is formed for above-mentioned formula and tests, and obtains following check data:
Data show, minimum tensile strength, minimum break-draw strain index improves at width than of the prior art; Maximum heat shrinkage ratio of the prior art 5% obviously reduces; Resistance to torsion, bending resistance are better, namely more soft; After high light irradiation, tensile strength, elongation at break index still can keep good, show that anti-Japanese photograph ability is comparatively strong, long term high temperature environment serviceability is superior.
Cable of the present utility model have structure simple, be easy to manufacture, indoor and outdoor surroundings is general, bending resistance is excellent, more soft, more easily construct, antisum radianting capacity is strong.
In the utility model, the formula of protective cover material is also convenient to manufacture, is produced that cable hourly velocity is fast, easy-formation, more power saving.
Manufacture a method for communication remote radio head optical cable, it is characterized in that it comprises following steps:
Manufacture the step of plastic layer: using fiberglass reinforced plastics or aramid yarn or glass fiber yarn as central reinforce member, outside central reinforce member, squeeze into low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low smoke and zero halogen polyethylene or polypropylene form plastic layer, plastic layer is cylindrical shape;
Manufacture the step of inner cushion layer, intercell connector and outer bed course: get polybutylene terephthalate (PBT) or modified polypropene and pull into machine mould by plastic extruding machine and adopt the mode of squash type or half extruding to form the inner cushion layer of integration, intercell connector and outer bed course, inner cushion layer is connected with outer bed course by intercell connector, intercell connector has many, without intercell connector place, between inner cushion layer and outer bed course, there is gap, inner cushion layer inside has cavity, and plastic layer is embedded in cavity and with the inwall of inner cushion layer to be close to mutually; In the gap of optical transmit body between inner cushion layer and outer bed course; One deck optical transmit body can only be placed in gap between inner cushion layer and outer bed course; Described optical transmit body is many G.652 optical fiber or many G.655 optical fiber or many G.657 optical fiber or many A1a optical fiber or many A1b optical fiber or many A1c optical fiber or many OM1 optical fiber or many OM2 optical fiber or many OM3 optical fiber or many tight tube fibers, described tight tube fiber by internal layer G.652 optical fiber or G.655 optical fiber or G.657 optical fiber or A1a optical fiber or A1b optical fiber or A1c optical fiber or OM1 optical fiber or OM2 optical fiber or OM3 optical fiber and the tight sleeve layer be positioned at outside internal layer form, different optical transmit body can be distinguished between two; Gap between inner cushion layer and outer bed course is greater than optical transmit body single times of diameter and is less than optical transmit body double diameter;
Manufacture the step of oversheath: outside bed course, place aramid yarn or glass fiber yarn formation protective layer outside equably, or outside bed course, longitudinally coated the or coated waterstop of spiral winding or nonwoven fabrics form protective layer outside, or outside outside bed course longitudinal covered composite yarn aluminium strip or composite steel band form protective layer; Get jacket material extrusion molding to be coated on protective layer and to form oversheath outward, complete the manufacture of communication remote radio head optical cable.
Manufacture a method for communication remote radio head cable, it is characterized in that it comprises following steps:
Manufacture the step of plastic layer: using fiberglass reinforced plastics or aramid yarn or glass fiber yarn as central reinforce member, outside central reinforce member, squeeze into low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low smoke and zero halogen polyethylene or polypropylene form plastic layer, plastic layer is cylindrical shape;
Manufacture the step of inner cushion layer, intercell connector and outer bed course: get polybutylene terephthalate (PBT) or modified polypropene and pull into machine mould by plastic extruding machine and adopt the mode of squash type or half extruding to form the inner cushion layer of integration, intercell connector and outer bed course, inner cushion layer is connected with outer bed course by intercell connector, intercell connector has many, without intercell connector place, between inner cushion layer and outer bed course, there is gap, inner cushion layer inside has cavity, and plastic layer is embedded in cavity and with the inwall of inner cushion layer to be close to mutually; Power transmission bodies is placed in the gap between inner cushion layer and outer bed course; One deck power transmission bodies can only be placed in gap between inner cushion layer and outer bed course; Described power transmission bodies is many is that conductor and the insulating barrier be coated on outside internal layer are formed by internal layer, and different power transmission bodies can be distinguished mutually; Gap between inner cushion layer and outer bed course is greater than power transmission bodies single times of diameter and is less than power transmission bodies double diameter;
Manufacture the step of oversheath: outside bed course, place aramid yarn or glass fiber yarn formation protective layer outside equably, or outside bed course, longitudinally coated the or coated waterstop of spiral winding or nonwoven fabrics form protective layer outside, or outside outside bed course longitudinal covered composite yarn aluminium strip or composite steel band form protective layer; Get jacket material extrusion molding to be coated on protective layer and to form oversheath outward, complete the manufacture of communication remote radio head cable.
Manufacture a method for communication remote radio head optoelectronic composite cable, it is characterized in that it comprises following steps:
Manufacture the step of plastic layer: using fiberglass reinforced plastics or aramid yarn or glass fiber yarn as central reinforce member, outside central reinforce member, squeeze into low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low smoke and zero halogen polyethylene or polypropylene form plastic layer, plastic layer is cylindrical shape;
Manufacture the step of inner cushion layer, intercell connector and outer bed course: get polybutylene terephthalate (PBT) or modified polypropene and pull into machine mould by plastic extruding machine and adopt the mode of squash type or half extruding to form the inner cushion layer of integration, intercell connector and outer bed course, inner cushion layer is connected with outer bed course by intercell connector, intercell connector has many, without intercell connector place, between inner cushion layer and outer bed course, there is gap, inner cushion layer inside has cavity, and plastic layer is embedded in cavity and with the inwall of inner cushion layer to be close to mutually;
Power transmission bodies and optical transmit body are placed in the gap between inner cushion layer and outer bed course; One deck power transmission bodies and optical transmit body can only be placed in gap between inner cushion layer and outer bed course; Described power transmission bodies is many is that conductor and the insulating barrier be coated on outside internal layer are formed by internal layer, and different power transmission bodies can be distinguished mutually; Gap between inner cushion layer and outer bed course is greater than power transmission bodies single times of diameter and is less than power transmission bodies double diameter; Described optical transmit body is many G.652 optical fiber or many G.655 optical fiber or many G.657 optical fiber or many A1a optical fiber or many A1b optical fiber or many A1c optical fiber or many OM1 optical fiber or many OM2 optical fiber or many OM3 optical fiber or many tight tube fibers, described tight tube fiber by internal layer G.652 optical fiber or G.655 optical fiber or G.657 optical fiber or A1a optical fiber or A1b optical fiber or A1c optical fiber or OM1 optical fiber or OM2 optical fiber or OM3 optical fiber and the tight sleeve layer be positioned at outside internal layer form, different optical transmit body can distinguish each other; The diameter of power transmission bodies is greater than single times of diameter of optical transmit body and is less than optical transmit body double diameter;
Manufacture the step of oversheath: outside bed course, place aramid yarn or glass fiber yarn formation protective layer outside equably, or outside bed course, longitudinally coated the or coated waterstop of spiral winding or nonwoven fabrics form protective layer outside, or outside outside bed course longitudinal covered composite yarn aluminium strip or composite steel band form protective layer; Get jacket material extrusion molding to be coated on protective layer and to form oversheath outward, complete the manufacture of communication remote radio head optoelectronic composite cable.
The method of the method for the manufacture communication remote radio head optical cable described in above-mentioned arbitrary embodiment or the method for manufacture remote radio head cable or manufacture remote radio head optoelectronic composite cable, it is characterized in that the material of described oversheath be low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low smoke and zero halogen polyethylene or polypropylene or polytetrafluoroethylene or thermoplastic elastomer (TPE) or described oversheath by weight, comprise following raw material: polyfluoroethylene resin: 20 ~ 40 parts, nylon 6 or nylon 12 or nylon66 fiber: 10 ~ 20 parts, linear low density polyethylene resin: 30 ~ 50 parts, aluminium hydroxide: 5 ~ 10 parts, magnesium hydroxide: 5 ~ 10 parts, Tissuemat E: 3 ~ 5 parts, trioctyl trimellitate (TOTM): 3 ~ 5 parts, its polymers of the ethylene-vinyl acetate of maleic anhydride graft: 8 ~ 12 parts, titanate esters: 3 ~ 5 parts, commercially available model is the antioxidant of 1010: 1 ~ 3 part, commercially available model is the antioxidant of 168: 1 ~ 3 part, titanium dioxide: 2 ~ 4 parts, carbon black: 1 ~ 2 part.
Through applicant's repetition test, in above-mentioned manufacture method, find the best performance of the oversheath adopting following formula: namely described oversheath by weight, comprise following raw material: polyfluoroethylene resin: 30 parts, nylon 6 or nylon 12 or nylon66 fiber: 15 parts, linear low density polyethylene resin: 40 parts, aluminium hydroxide: 8 parts, magnesium hydroxide: 7 parts, Tissuemat E: 4 parts, trioctyl trimellitate (TOTM): 4 parts, its polymers of the ethylene-vinyl acetate of maleic anhydride graft: 10 parts, titanate esters: 4 parts, commercially available model is the antioxidant of 1010: 2 parts, commercially available model is the antioxidant of 168: 2 parts, titanium dioxide: 3 parts, carbon black: 1.5 parts.
Through applicant's repetition test, in above-mentioned manufacture method, find to adopt the performance of the oversheath of following formula more excellent: namely described oversheath by weight, comprise following raw material: polyfluoroethylene resin: 20 parts, nylon 6 or nylon 12 or nylon66 fiber: 10 parts, linear low density polyethylene resin: 30 parts, aluminium hydroxide: 5 parts, magnesium hydroxide: 5 parts, Tissuemat E: 3 parts, trioctyl trimellitate (TOTM): 3 parts, its polymers of the ethylene-vinyl acetate of maleic anhydride graft: 8 parts, titanate esters: 3 parts, commercially available model is the antioxidant of 1010: 1 part, commercially available model is the antioxidant of 168: 1 part, titanium dioxide: 2 parts, carbon black: 1 part.
Through applicant's repetition test, in above-mentioned manufacture method, find the performance suboptimum of the oversheath adopting following formula: namely described oversheath by weight, polyfluoroethylene resin: 40 parts, nylon 6 or nylon 12 or nylon66 fiber: 20 parts, linear low density polyethylene resin: 50 parts, aluminium hydroxide: 10 parts, magnesium hydroxide: 10 parts, Tissuemat E: 5 parts, trioctyl trimellitate (TOTM): 5 parts, its polymers of the ethylene-vinyl acetate of maleic anhydride graft: 12 parts, titanate esters: 5 parts, commercially available model is the antioxidant of 1010: 3 parts, commercially available model is the antioxidant of 168: 3 parts, titanium dioxide: 4 parts, carbon black: 2 parts.
When there is in the utility model gasket for packing, optical transmit body can be protected significantly, improve bending resistance, compressive property.
Manufacture method of the present utility model simply, is easily grasped, obtained cable product qualified rate is high.
The utility model is not limited to above-mentioned preferred forms, and should be appreciated that design of the present utility model can be implemented to use by other various forms, they drop in protection range of the present utility model equally.
Claims (7)
1. remote radio head cable, is characterized in that it squeezes the central reinforce member of plastic layer, the inner cushion layer outside plastic layer, the outer bed course outside inner cushion layer, power transmission bodies between inner cushion layer with outer bed course by outside, is positioned at protective layer outside outer bed course, oversheath that the many intercell connectors be connected with outer bed course by inner cushion layer, extrusion moldings are coated on outside protective layer is formed; Inner cushion layer, intercell connector, outer bed course are integrally formed by extrusion molding; Inner cushion layer is close to plastic layer; power transmission bodies is distributed between inner cushion layer and outer bed course and one deck power transmission bodies can only be placed in gap between inner cushion layer and outer bed course; outer bed course is close to by protective layer; described power transmission bodies is many is that conductor and the insulating barrier be coated on outside internal layer are formed by internal layer, and different power transmission bodies can distinguish each other.
2. remote radio head cable according to claim 1, is characterized in that the material of described oversheath is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low smoke and zero halogen polyethylene or polypropylene or polytetrafluoroethylene or thermoplastic elastomer (TPE).
3. remote radio head cable according to claim 1, is characterized in that described central reinforce member is fiberglass reinforced plastics or aramid yarn or glass fiber yarn.
4. remote radio head cable according to claim 1, is characterized in that the material of described plastic layer is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polyvinyl chloride or low smoke and zero halogen polyethylene or polypropylene.
5. remote radio head cable according to claim 1, is characterized in that the material of described inner cushion layer is polybutylene terephthalate (PBT) or modified polypropene.
6. remote radio head cable according to claim 1, is characterized in that the material of described outer bed course is polybutylene terephthalate (PBT) or modified polypropene.
7. remote radio head cable according to claim 1, is characterized in that the material of described protective layer is aramid yarn or glass fiber yarn or waterstop or nonwoven fabrics or compound aluminium strip or composite steel band.
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|---|---|---|---|
| CN201520203564.5U CN204632374U (en) | 2015-04-07 | 2015-04-07 | Remote radio head cable |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520203564.5U CN204632374U (en) | 2015-04-07 | 2015-04-07 | Remote radio head cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104698561A (en) * | 2015-04-07 | 2015-06-10 | 沈群华 | Communication radio frequency identification remote optical cable, radio frequency identification remote cable and radio frequency identification remote optical and electrical combination cable |
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2015
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104698561A (en) * | 2015-04-07 | 2015-06-10 | 沈群华 | Communication radio frequency identification remote optical cable, radio frequency identification remote cable and radio frequency identification remote optical and electrical combination cable |
| CN104698561B (en) * | 2015-04-07 | 2018-01-23 | 重庆成瑞光电科技有限公司 | Remote radio head optical cable, cable and optoelectronic composite cable are used in communication |
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| CB03 | Change of inventor or designer information |
Inventor after: Xiao Yong Inventor after: Wang Yan Inventor after: Li Qiushuo Inventor after: Sun Yujun Inventor before: Shen Qunhua |
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| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151231 Address after: Guangzhou City, Guangdong province Yuexiu District 510080 Dongfeng East Road, No. 6 building water Kong Guangdong Patentee after: Research Institute of Southern Power Grid Co., Ltd. Address before: Suzhou City, Jiangsu Province, 215554 Changshou City Shang Hu Zhen Da he Cun Shen Tang Wan Tao (28) No. 79 Patentee before: Shen Qunhua |
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