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CN204066776U - The anti-lightning strike optoelectronic composite cable of communication base station - Google Patents

The anti-lightning strike optoelectronic composite cable of communication base station Download PDF

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Publication number
CN204066776U
CN204066776U CN201420502058.1U CN201420502058U CN204066776U CN 204066776 U CN204066776 U CN 204066776U CN 201420502058 U CN201420502058 U CN 201420502058U CN 204066776 U CN204066776 U CN 204066776U
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China
Prior art keywords
protective layer
base station
coated
outside
earthing conductor
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Expired - Lifetime
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CN201420502058.1U
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Chinese (zh)
Inventor
王伟峰
杨祖民
王达伟
孙建宇
朱惠
程娴
谢红国
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Jiangsu Zhongli Group Co Ltd
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Zhongli Technology Group Co Ltd
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Abstract

The utility model belongs to technical field of cables, and relate to the anti-lightning strike optoelectronic composite cable of communication base station, include cable core, inner sheath, armour, oversheath, ground plane, cable core is made up of light unit and electric unit; Cable core is coated with the first protective layer, inner sheath, the second protective layer, and ground plane is outside the second protective layer, and armour is outside ground plane, and oversheath is outside armour; The face that armour contacts with ground plane is non-overlay film face; It is characterized in that ground plane is made up of earthing conductor, filler rod and the helical coated winding layer outside earthing conductor and filler rod, earthing conductor and filler rod distribute outward mutually alternately at the second protective layer, the diameter of filler rod is not more than the diameter of earthing conductor, winding layer be contact with earthing conductor and keep electrical communication; Armour is positioned at outside winding layer.The utility model has following main beneficial effect: making is simple, speed of production is fast, and ground plane resistivity is lower, maintenance cost is lower, cost is lower, weight is lighter.

Description

The anti-lightning strike optoelectronic composite cable of communication base station
Technical field
The utility model belongs to technical field of cables, especially relates to the anti-lightning strike optoelectronic composite cable of communication base station.
Background technology
Over nearly 20 years, China's information industry, with average annual 25% speed increase, leads over the development of other industries, has become the first pillar industry in industry.Estimate in coming 10 years, information industry will be turned over again.In communication industry product, there is the extraordinary lightning-proof optical cable product of the higher communication of security performance and will have good market prospects.Along with the 3G network communication network development, also the lightning protection measures of communication base station room will be considered, avoid because thunder and lightning causes that communication base station and electric power interrupts, machine room catches fire, large-area communication disruption will be brought, equipment the major accident such as to be burnt by thunderbolt, just needs the electric power between communication base station and steel tower, Signal transmissions product consider safer product.Along with the develop rapidly of 3G business, the construction scale of communication base station expands gradually, and 3G communication network technology is built, and at least the whole nation needs the base station of 300,000 3G communication networks, if each base station needs length to be the cable of about 100 meters, then this will be a larger market.
Both at home and abroad the lightning protection of cable is carried out to effective research and achieved good achievement.The applicant has also done a large amount of research and development in lightning protected cable, as: utility model name is called: self-supporting lightning-proof power cable, the patent No. are: 200920150584.5; Utility model name is called: lightning-proof power cable, the patent No. are: 200920150583.0; Utility model name is called: lightning-proof optical cable, the patent No. are: 200920150582.6; Utility model name is called: have the lightning-proof power cable of reinforced layer, the patent No. to be: 200910140719.4; Utility model name is called: multigroup lightning protection optical cable, the patent No. are: 200910140717.5; Utility model name is called: self-supporting lightning-proof optical cable, the patent No. are: the patents such as 200910140715.6, have all formed product and used in the communication base station of operator.But they also have the following disadvantages: (1) ground plane adopts the mode of tiltedly bag, and speed of production is slower; (2) armour only serves the effect of armouring, and (3), after standing thunderbolt, the partial earthing layer in cable blows, and sheath is melted in cable core interval insulated wire cores is combined together, makes insulated wire cores be difficult to be separated; Waste disposal can only be made.
Above-mentioned deficiency increases the maintenance cost after cable thunderbolt.
For this reason, to State Intellectual Property Office, applicant, on 07 01st, 2013, has applied for that name is called: communication base station lightning retardant cable, notification number are: the patent of CN203338868U, through using, really reaches the technique effect described in file; But applicant, through constantly exploring, finds that it also exists simplified structure, saves metal consumption way, through applicant's repetition test, can reach the object of its innovation and creation equally.
Utility model content
In order to solve the problem, the purpose of this utility model discloses a kind of anti-lightning strike optoelectronic composite cable of communication base station of new construction, and it realizes by the following technical solutions.
The anti-lightning strike optoelectronic composite cable of communication base station, include cable core, inner sheath, armour, oversheath, ground plane, cable core is made up of light unit and electric unit, light unit is made up of Loose tube and many optical fibers being positioned at Loose tube, and electric unit is made up of conductor and the insulating barrier that envelopes conductor; Cable core is coated with the first protective layer, inner sheath extrusion molding is coated on outside the first protective layer, and inner sheath is coated with the second protective layer, and ground plane is positioned at outside the second protective layer, and armour is coated on outside ground plane, and oversheath extrusion molding is coated on outside armour; Armour is one side film steel band, and the face that armour contacts 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 made up of earthing conductor, filler rod and the helical coated winding layer outside earthing conductor and filler rod, earthing conductor and filler rod distribute outward mutually alternately at the second protective layer, the diameter of filler rod is not more than the diameter of earthing conductor, winding layer be contact with every root earthing conductor and keep electrical communication; Armour is positioned at outside winding layer.
The anti-lightning strike optoelectronic composite cable of communication base station described above, is characterized in that described earthing conductor is made up of many copper bars or aluminium bar or conducting rod.
The anti-lightning strike optoelectronic composite cable of communication base station described above, is characterized in that described earthing conductor is coated on outside the second protective layer the direction favouring cable core axis or the direction being parallel to cable core axis.
The anti-lightning strike optoelectronic composite cable of communication base station described above, when it is characterized in that described earthing conductor is coated on outside the second protective layer with the direction favouring cable core axis, coated pitch is 15 ~ 30 times of the second protective layer diameter.
The anti-lightning strike optoelectronic composite cable of communication base station described above, is characterized in that described smooth unit and electric unit are that parallel mode is distributed in cable core or is distributed in cable core in the mode that one direction spiral is stranded.
The anti-lightning strike optoelectronic composite cable of communication base station described above, is characterized in that described first protective layer is that the mode of longitudinal direction or spiral is coated on outside cable core; When longitudinal direction is coated, the overlapping widths of overlap joint is 2 ~ 4mm; During helical coated, overlap joint Duplication is 15% ~ 30%.
The anti-lightning strike optoelectronic composite cable of communication base station described above, is characterized in that the material of described insulating barrier is polyvinyl chloride or high density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene.
The anti-lightning strike optoelectronic composite cable of communication base station described above, is characterized in that the material of described oversheath is high density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene.
The anti-lightning strike optoelectronic composite cable of communication base station described above, is characterized in that the material of described inner sheath is high density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene.
The anti-lightning strike optoelectronic composite cable of communication base station described above, it is characterized in that described first protective layer, the second protective layer is all synthetic mica tape, and the thickness of mica tape is 0.1mm-2mm.
The anti-lightning strike optoelectronic composite cable of communication base station described above, is characterized in that the material of described filler rod is low density polyethylene (LDPE) or high density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene or polypropylene.
The anti-lightning strike optoelectronic composite cable of communication base station described above, is characterized in that the material of described winding layer is copper wire or aluminium wire or other conductive filament or conductive strips.
The anti-lightning strike optoelectronic composite cable of communication base station described above, is characterized in that the material of described winding layer is copper wire or aluminium wire or other conductive filament or conductive strips.
The anti-lightning strike optoelectronic composite cable of communication base station described above, it is characterized in that described winding layer helical coated outside earthing conductor and filler rod time, screw pitch is 5 ~ 15 times of the second protective layer diameter.
In the utility model, ground plane is made up of earthing conductor, filler rod and the helical coated winding layer outside earthing conductor and filler rod, earthing conductor and filler rod distribute outward mutually alternately at the second protective layer, the diameter of filler rod is not more than the diameter of earthing conductor, winding layer be contact with every root earthing conductor and keep electrical communication; Make the consumption of earthing conductor be reduced by least minimizing half, and ensure that the conductive capability of ground plane; Namely the inner face of armour is non-coating layer with ground plane contact-making surface, therefore is also metal level, make the contact that ground plane is not only adjacent, and armour has been carried out parallel connection, has made ground plane reach less resistance value; Standing thunderstorm hour, the short-time thermal amount of ground plane adds little, and the probability of blowing of being therefore struck by lightning reduces greatly; In addition, steel dress layer also serves armouring, against pressure, anti-effect of hitting.
In the utility model, the material of winding layer is copper wire or aluminium wire or other conductive filament or conductive strips, considerably increases the area of contact, and for can be many, multiply time thread; Therefore ground plane is more reliable and more stable.
In the utility model, the existence of the first protective layer, the second protective layer, has isolated heat widely, in thunderbolt situation, although may produce a large amount of heats, this heat, under the isolation of the first protective layer, the second protective layer, makes the work of the light unit in cable core, electric unit unaffected; In addition, thunderbolt high temperature can not enter cable core gap after inner sheath is melted, and therefore, after thunderbolt, when temperature declines, sheath still can solidify, and does not substantially affect cable performance, and it is quite convenient to safeguard.
Cable of the present utility model, when ground plane and cable core axis being parallel, can produce together, not need other stranded operation in oversheath extrusion process, and therefore, speed of production is faster, cost is lower.
In the utility model, the consumption of earthing conductor reduces nearly half, second half or not enough half part adopt filler rod to replace, not only save cost, and accelerate manufacturing schedule, reduce the weight of product, Product transport cost is obviously reduced, meanwhile, the load for shaft tower requires also to reduce; The consumption of the metal consumption of the winding layer in the utility model and an earthing conductor is close; Therefore, the diameter of product does not increase substantially.
Therefore, the utility model has following main beneficial effect: making is simple, speed of production is fast, and ground plane resistivity is lower, maintenance cost is lower, cost is lower, weight is lighter.
Accompanying drawing explanation
Fig. 1 is the perspective view that after the utility model intercepts a section, solution is cut open.
Fig. 2 is the cross-sectional structure schematic diagram that Fig. 1 amplifies.
Embodiment
Ask for an interview Fig. 1 and Fig. 2, the anti-lightning strike optoelectronic composite cable of communication base station, include cable core, inner sheath 6, armour 9, oversheath 10, ground plane, cable core is made up of light unit and electric unit, light unit is made up of Loose tube 4 and the many optical fibers 3 that are positioned at Loose tube, and electric unit is made up of conductor 1 and the insulating barrier 2 that envelopes conductor; Cable core is coated with the first protective layer 5, inner sheath extrusion molding is coated on outside the first protective layer, and inner sheath is coated with the second protective layer 7, and ground plane is positioned at outside the second protective layer, and armour is coated on outside ground plane, and oversheath extrusion molding is coated on outside armour; Armour is one side film steel band, and the face that armour contacts 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 made up of earthing conductor 8, filler rod 81 and the helical coated winding layer 82 outside earthing conductor and filler rod, earthing conductor and filler rod distribute outward mutually alternately at the second protective layer, the diameter of filler rod is not more than the diameter of earthing conductor, winding layer be contact with every root earthing conductor and keep electrical communication; Armour is positioned at outside winding layer.
The anti-lightning strike optoelectronic composite cable of communication base station described above, is characterized in that described earthing conductor is made up of many copper bars or aluminium bar or conducting rod.
The anti-lightning strike optoelectronic composite cable of communication base station described above, is characterized in that described earthing conductor is coated on outside the second protective layer the direction favouring cable core axis or the direction being parallel to cable core axis.
The anti-lightning strike optoelectronic composite cable of communication base station described above, when it is characterized in that described earthing conductor is coated on outside the second protective layer with the direction favouring cable core axis, coated pitch is 15 ~ 30 times of the second protective layer diameter.
The anti-lightning strike optoelectronic composite cable of communication base station described above, is characterized in that described smooth unit and electric unit are that parallel mode is distributed in cable core or is distributed in cable core in the mode that one direction spiral is stranded.
The anti-lightning strike optoelectronic composite cable of communication base station described above, is characterized in that described first protective layer is that the mode of longitudinal direction or spiral is coated on outside cable core; When longitudinal direction is coated, the overlapping widths of overlap joint is 2 ~ 4mm; During helical coated, overlap joint Duplication is 15% ~ 30%.
The anti-lightning strike optoelectronic composite cable of communication base station described above, is characterized in that the material of described insulating barrier is polyvinyl chloride or high density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene.
The anti-lightning strike optoelectronic composite cable of communication base station described above, is characterized in that the material of described oversheath is high density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene.
The anti-lightning strike optoelectronic composite cable of communication base station described above, is characterized in that the material of described inner sheath is high density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene.
The anti-lightning strike optoelectronic composite cable of communication base station described above, it is characterized in that described first protective layer, the second protective layer is all synthetic mica tape, and the thickness of mica tape is 0.1mm-2mm.
The anti-lightning strike optoelectronic composite cable of communication base station described above, is characterized in that the material of described filler rod is low density polyethylene (LDPE) or high density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene or polypropylene.
The anti-lightning strike optoelectronic composite cable of communication base station described above, is characterized in that the material of described winding layer is copper wire or aluminium wire or other conductive filament or conductive strips.
The anti-lightning strike optoelectronic composite cable of communication base station described above, is characterized in that the material of described winding layer is copper wire or aluminium wire or other conductive filament or conductive strips.
The anti-lightning strike optoelectronic composite cable of communication base station described above, it is characterized in that described winding layer helical coated outside earthing conductor and filler rod time, screw pitch is 5 ~ 15 times of the second protective layer diameter.
In the utility model, ground plane is made up of earthing conductor, filler rod and the helical coated winding layer outside earthing conductor and filler rod, earthing conductor and filler rod distribute outward mutually alternately at the second protective layer, the diameter of filler rod is not more than the diameter of earthing conductor, winding layer be contact with every root earthing conductor and keep electrical communication; Make the consumption of earthing conductor be reduced by least minimizing half, and ensure that the conductive capability of ground plane; Namely the inner face of armour is non-coating layer with ground plane contact-making surface, therefore is also metal level, make the contact that ground plane is not only adjacent, and armour has been carried out parallel connection, has made ground plane reach less resistance value; Standing thunderstorm hour, the short-time thermal amount of ground plane adds little, and the probability of blowing of being therefore struck by lightning reduces greatly; In addition, steel dress layer also serves armouring, against pressure, anti-effect of hitting.
In the utility model, the material of winding layer is copper wire or aluminium wire or other conductive filament or conductive strips, considerably increases the area of contact, and for can be many, multiply time thread; Therefore ground plane is more reliable and more stable.
In the utility model, the existence of the first protective layer, the second protective layer, has isolated heat widely, in thunderbolt situation, although may produce a large amount of heats, this heat, under the isolation of the first protective layer, the second protective layer, makes the work of the light unit in cable core, electric unit unaffected; In addition, thunderbolt high temperature can not enter cable core gap after inner sheath is melted, and therefore, after thunderbolt, when temperature declines, sheath still can solidify, and does not substantially affect cable performance, and it is quite convenient to safeguard.
?cable of the present utility model, when ground plane and cable core axis being parallel, can produce together, not need other stranded operation in oversheath extrusion process, and therefore, speed of production is faster, cost is lower.
In the utility model, the consumption of earthing conductor reduces nearly half, second half or not enough half part adopt filler rod to replace, not only save cost, and accelerate manufacturing schedule, reduce the weight of product, Product transport cost is obviously reduced, meanwhile, the load for shaft tower requires also to reduce; The consumption of the metal consumption of the winding layer in the utility model and an earthing conductor is close; Therefore, the diameter of product does not increase substantially.
Therefore, the utility model has following main beneficial effect: making is simple, speed of production is fast, and ground plane resistivity is lower, maintenance cost is lower, cost is lower, weight is lighter.
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 (9)

1. the anti-lightning strike optoelectronic composite cable of communication base station, include cable core, inner sheath, armour, oversheath, ground plane, cable core is made up of light unit and electric unit, light unit is made up of Loose tube and many optical fibers being positioned at Loose tube, and electric unit is made up of conductor and the insulating barrier that envelopes conductor; Cable core is coated with the first protective layer, inner sheath extrusion molding is coated on outside the first protective layer, and inner sheath is coated with the second protective layer, and ground plane is positioned at outside the second protective layer, and armour is coated on outside ground plane, and oversheath extrusion molding is coated on outside armour; Armour is one side film steel band, and the face that armour contacts 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 made up of earthing conductor, filler rod and the helical coated winding layer outside earthing conductor and filler rod, earthing conductor and filler rod distribute outward mutually alternately at the second protective layer, the diameter of filler rod is not more than the diameter of earthing conductor, winding layer be contact with every root earthing conductor and keep electrical communication; Armour is positioned at outside winding layer.
2. the anti-lightning strike optoelectronic composite cable of communication base station according to claim 1, is characterized in that described earthing conductor is made up of many copper bars or many aluminium bars.
3. the anti-lightning strike optoelectronic composite cable of communication base station according to claim 2, is characterized in that described earthing conductor is coated on outside the second protective layer the direction favouring cable core axis or the direction being parallel to cable core axis.
4. the anti-lightning strike optoelectronic composite cable of communication base station according to claim 3, when it is characterized in that described earthing conductor is coated on outside the second protective layer with the direction favouring cable core axis, coated pitch is 15 ~ 30 times of the second protective layer diameter.
5. the anti-lightning strike optoelectronic composite cable of communication base station according to claim 4, is characterized in that described smooth unit and electric unit are that parallel mode is distributed in cable core or is distributed in cable core in the mode that one direction spiral is stranded.
6. the anti-lightning strike optoelectronic composite cable of communication base station according to claim 5, is characterized in that described first protective layer is that the mode of longitudinal direction or spiral is coated on outside cable core; When longitudinal direction is coated, the overlapping widths of overlap joint is 2 ~ 4mm; During helical coated, overlap joint Duplication is 15% ~ 30%.
7. the anti-lightning strike optoelectronic composite cable of communication base station according to claim 6, it is characterized in that described first protective layer, the second protective layer is all synthetic mica tape, and the thickness of mica tape is 0.1mm-2mm.
8. the anti-lightning strike optoelectronic composite cable of communication base station according to claim 7, is characterized in that the material of described insulating barrier is polyvinyl chloride or high density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene; The material of described oversheath is high density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene; The material of described inner sheath is high density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene.
9. the anti-lightning strike optoelectronic composite cable of communication base station according to claim 8, is characterized in that the material of described filler rod is low density polyethylene (LDPE) or high density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene or polypropylene.
CN201420502058.1U 2014-09-03 2014-09-03 The anti-lightning strike optoelectronic composite cable of communication base station Expired - Lifetime CN204066776U (en)

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CN201420502058.1U CN204066776U (en) 2014-09-03 2014-09-03 The anti-lightning strike optoelectronic composite cable of communication base station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420502058.1U CN204066776U (en) 2014-09-03 2014-09-03 The anti-lightning strike optoelectronic composite cable of communication base station

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CN204066776U true CN204066776U (en) 2014-12-31

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CP01 Change in the name or title of a patent holder

Address after: 215542 Jiangsu city of Suzhou province Changshou City Shajiabang town southeast of Changshu Development Zone, No. 8 Chang kunlu

Patentee after: JIANGSU ZHONGLI GROUP Co.,Ltd.

Address before: 215542 Jiangsu city of Suzhou province Changshou City Shajiabang town southeast of Changshu Development Zone, No. 8 Chang kunlu

Patentee before: ZHONGLI SCI-TECH GROUP Co.,Ltd.

CP01 Change in the name or title of a patent holder
CX01 Expiry of patent term

Granted publication date: 20141231

CX01 Expiry of patent term