CN213780481U - Cold-resistant layer stranded OPGW optical cable - Google Patents
Cold-resistant layer stranded OPGW optical cable Download PDFInfo
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- CN213780481U CN213780481U CN202120119170.7U CN202120119170U CN213780481U CN 213780481 U CN213780481 U CN 213780481U CN 202120119170 U CN202120119170 U CN 202120119170U CN 213780481 U CN213780481 U CN 213780481U
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- optical cable
- cold
- aluminum
- opgw optical
- resistant layer
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- 230000003287 optical effect Effects 0.000 title claims abstract description 37
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 27
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 238000009413 insulation Methods 0.000 claims abstract description 13
- 239000011324 bead Substances 0.000 claims abstract description 11
- 239000011521 glass Substances 0.000 claims abstract description 11
- 239000000835 fiber Substances 0.000 claims abstract description 7
- 239000000945 filler Substances 0.000 claims abstract description 5
- 239000003063 flame retardant Substances 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 239000013307 optical fiber Substances 0.000 claims description 8
- 239000000919 ceramic Substances 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 abstract description 4
- 239000006071 cream Substances 0.000 abstract description 3
- 238000009422 external insulation Methods 0.000 abstract description 3
- 238000009421 internal insulation Methods 0.000 abstract description 3
- 238000012856 packing Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 6
- 235000011613 Pinus brutia Nutrition 0.000 description 6
- 241000018646 Pinus brutia Species 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000002131 composite material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an anti cold layer hank formula OPGW optical cable, including central reinforced pipe and aluminum pipe, the outside of central reinforced pipe is equipped with four loose tubes, and four loose tube inside all are equipped with optic fibre, and four loose tube inside packings have the fine cream that blocks water, and four loose tube outer walls all are equipped with external insulation, and four loose tube inner walls all are equipped with the internal insulation, and the inner wall of aluminum pipe is fixed and is equipped with the insulating layer, and it has fire-retardant filler to fill between four loose tubes and the aluminum pipe, and the outside of aluminum pipe is equipped with aluminium package copper wire and aluminum alloy wire, the beneficial effects of the utility model are that: the resistance heating wire is arranged, so that the cold resistance is good, the resistance heating wire is electrified to generate heat energy to melt cold ice in winter, the optical cable can be thawed in cold winter, and the influence of the ice and the snow on the normal power supply of the optical cable is avoided; the hollow glass beads have the advantages of insulation, flame retardance, high low-temperature stability and the like, so that the optical cable filled with the hollow glass beads has good insulation, flame retardance and cold resistance.
Description
Technical Field
The utility model relates to an OPGW optical cable, in particular to cold-resistant layer stranded OPGW optical cable belongs to optical cable technical field.
Background
OPGW Optical cable, Optical Fiber Composite Overhead Ground Wire (also known as Fiber Composite Overhead Ground Wire). The optical fiber is placed in the ground wire of an overhead high-voltage transmission line to form an optical fiber communication network on the transmission line, and the structural form has the double functions of the ground wire and communication and is generally called an OPGW optical cable. However, when a power line is short-circuited or the OPGW optical cable is struck by lightning, the outer layer aluminum alloy wire or the aluminum-clad steel wire produces large heat, destructive damage is caused to the optical fiber, the communication quality is influenced if the damage is light, and the optical fiber is damaged and interrupted if the damage is heavy; in cold winter, the power transmission line is frozen due to the decrease of the environmental temperature and the like, the weight of the power transmission line is increased, and the optical cable is easily crushed to influence the power transmission.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an anti cold layer stranded formula OPGW optical cable to solve the poor problem of anti cold property that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an anti cold layer hank formula OPGW optical cable, includes central reinforced pipe and aluminum pipe, the outside of central reinforced pipe is equipped with four pine sleeve pipes, four pine sheathed tube inside all is equipped with optic fibre, four pine sheathed tube inside packing has the fine cream of blocking water, four pine sheathed tube outer wall all is equipped with external insulation, four pine sheathed tube inner wall all is equipped with internal insulation, the fixed insulating layer that is equipped with of inner wall of aluminum pipe, four pine sleeve pipe with it has fire-retardant filler to fill between the aluminum pipe, the outside of aluminum pipe is equipped with aluminium package copper wire and aluminum alloy wire, the surface of aluminum alloy wire is equipped with six resistance heating wires, and six resistance heating wires are in through the fixed setting of fixed subassembly the surface of aluminum alloy wire.
As a preferred technical scheme of the utility model, fixed subassembly includes two semi-circular snap rings, two the top and the bottom of semi-circular snap ring are all fixed and are equipped with the connecting block, per two corresponding the connecting block passes through connecting bolt and fixation nut fixed connection.
As an optimal technical scheme of the utility model, the outer insulating layer is made for ceramic silicon rubber material, the inner insulating layer is made for the polyvinyl chloride material.
As an optimal technical scheme of the utility model, aluminium-clad steel wire and aluminium alloy wire twist each other and the fine and close contact.
As an optimized technical proposal of the utility model, the inside of the heat insulation layer is provided with a plurality of hollow glass beads.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a cold-resistant layer stranded OPGW optical cable, through set up the insulating layer in the aluminum pipe, can prevent the high temperature from damaging the optic fibre when the circuit produces a large amount of heat when OPGW optical cable takes place the short circuit or suffers the thunderbolt; the OPGW optical cable adopts an aluminum alloy wire and aluminum-clad steel wire double-layer stranded structure outside and is mutually stranded with an aluminum pipe, so that the whole OPGW optical cable is uniform in material and structure, and good in conductivity and fatigue resistance; the resistance heating wire is arranged, so that the cold resistance is good, the resistance heating wire is electrified to generate heat energy to melt cold ice in winter, the optical cable can be thawed in cold winter, and the influence of the ice and the snow on the normal power supply of the optical cable is avoided; the hollow glass beads have the advantages of insulation, flame retardance, high low-temperature stability and the like, so that the optical cable filled with the hollow glass beads has good insulation, flame retardance and cold resistance.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.
In the figure: 1. a central stiffening tube; 2. loosening the sleeve; 3. an outer insulating layer; 4. an inner insulating layer; 5. an optical fiber; 6. water-blocking fiber paste; 7. a flame retardant filler; 8. an aluminum tube; 9. a thermal insulation layer; 10. hollow glass beads; 11. aluminum clad steel wire; 12. aluminum alloy wire; 13. a resistance heating wire; 14. a fixing assembly; 141. a semicircular snap ring; 142. connecting blocks; 143. a connecting bolt; 144. and (5) fixing the nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1-2, the utility model provides a cold-resistant layer stranded OPGW optical cable, including central reinforced pipe 1 and aluminum pipe 8, the outside of central reinforced pipe 1 is equipped with four loose tube 2, the inside of four loose tube 2 all is equipped with optic fibre 5, the inside packing of four loose tube 2 has fine cream 6 that blocks water, four loose tube 2's outer wall all is equipped with external insulation 3, four loose tube 2's inner wall all is equipped with internal insulation 4, the fixed insulating layer 9 that is equipped with of inner wall of aluminum pipe 8, it has fire-retardant filler 7 to fill between four loose tube 2 and the aluminum pipe 8, the outside of aluminum pipe 8 is equipped with aluminium clad steel wire 11 and aluminum alloy wire 12, the surface of aluminum alloy wire 12 is equipped with six resistance heating wires 13, six resistance heating wires 13 pass through the fixed surface that sets up at aluminum alloy wire 12 of fixed subassembly 14.
Preferably, the fixing assembly 14 includes two semicircular clamping rings 141, the top ends and the bottom ends of the two semicircular clamping rings 141 are fixedly provided with connecting blocks 142, each two corresponding connecting blocks 142 are fixedly connected through a connecting bolt 143 and a fixing nut 144, the two corresponding semicircular clamping rings 141 are installed on the surface of the aluminum alloy wire 12, and the positions of the two semicircular clamping rings 141 are defined through the cooperation of the connecting bolt 143 and the fixing nut 144, so that the resistance heating wire 13 is installed on the surface of the aluminum alloy wire 12; the outer insulating layer 3 is made of ceramic silicon rubber, and the inner insulating layer 4 is made of polyvinyl chloride, so that the insulating property of the optical cable is ensured; the aluminum clad steel wire 11 and the aluminum alloy wire 12 are twisted and in dense contact with each other, so that the whole OPGW optical cable is uniform in material and structure, and good in conductivity and fatigue resistance; the hollow glass beads 10 are arranged inside the heat insulation layer 9, and the hollow glass beads 10 have the advantages of insulation, flame retardance, high low-temperature stability and the like, so that the optical cable filled with the hollow glass beads 10 has good insulation, flame retardance and cold resistance.
When in specific use, the utility model relates to a cold-resistant layer stranded OPGW optical cable, firstly, six resistance heating wires 13 are arranged on the surface of an aluminum alloy wire 12, and the corresponding two semicircular snap rings 141 are installed on the surface of the aluminum alloy wire 12, and the positions of the two semicircular snap rings 141 are defined by the coupling bolts 143 and the fixing nuts 144 in cooperation, thereby defining the position of the resistance heating wire 13, the resistance heating wire 13 is electrified to generate heat energy to melt cold ice in winter, the optical cable can be thawed in cold winter, the influence of ice and snow on the normal power supply of the optical cable is avoided, and the heat insulation layer 9 is arranged in the aluminum pipe 8, so that the high temperature can be prevented from damaging the optical fiber 5 when the OPGW optical cable is in short circuit or the line generates a large amount of heat when being struck by lightning, the hollow glass beads 10 are filled in the heat insulation layer 9, so that the optical cable has good insulation, flame retardation and cold resistance; the outside adopts aluminium alloy wire 12 and the 11 double-deck layer of aluminium clad steel wire formula structure to strand each other with aluminum pipe 8, make the material and the structure of whole OPGW optical cable even unanimous, electric conductivity and fatigue resistance can be better.
In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The cold-resistant layer stranded OPGW optical cable comprises a central reinforced pipe (1) and aluminum pipes (8), and is characterized in that four loose tubes (2) are arranged outside the central reinforced pipe (1), optical fibers (5) are arranged inside the four loose tubes (2), water-blocking fiber paste (6) is filled inside the four loose tubes (2), outer insulating layers (3) are arranged on the outer walls of the four loose tubes (2), inner insulating layers (4) are arranged on the inner walls of the four loose tubes (2), a heat-insulating layer (9) is fixedly arranged on the inner wall of each aluminum pipe (8), flame-retardant fillers (7) are filled between the four loose tubes (2) and the aluminum pipes (8), aluminum-clad steel wires (11) and aluminum alloy wires (12) are arranged outside the aluminum pipes (8), and six resistance heating wires (13) are arranged on the surfaces of the aluminum alloy wires (12), six resistance heating wires (13) are fixedly arranged on the surface of the aluminum alloy wire (12) through a fixing component (14).
2. The cold-resistant layer stranded OPGW optical cable of claim 1, wherein: the fixing assembly (14) comprises two semicircular clamping rings (141), connecting blocks (142) are fixedly arranged at the top ends and the bottom ends of the semicircular clamping rings (141), and every two corresponding connecting blocks (142) are fixedly connected with fixing nuts (144) through connecting bolts (143).
3. The cold-resistant layer stranded OPGW optical cable of claim 1, wherein: the outer insulating layer (3) is made of ceramic silicon rubber, and the inner insulating layer (4) is made of polyvinyl chloride.
4. The cold-resistant layer stranded OPGW optical cable of claim 1, wherein: the aluminum-clad steel wire (11) and the aluminum alloy wire (12) are mutually twisted and in dense contact.
5. The cold-resistant layer stranded OPGW optical cable of claim 1, wherein: the heat insulation layer (9) is internally provided with a plurality of hollow glass beads (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120119170.7U CN213780481U (en) | 2021-01-18 | 2021-01-18 | Cold-resistant layer stranded OPGW optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120119170.7U CN213780481U (en) | 2021-01-18 | 2021-01-18 | Cold-resistant layer stranded OPGW optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213780481U true CN213780481U (en) | 2021-07-23 |
Family
ID=76901719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120119170.7U Active CN213780481U (en) | 2021-01-18 | 2021-01-18 | Cold-resistant layer stranded OPGW optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213780481U (en) |
-
2021
- 2021-01-18 CN CN202120119170.7U patent/CN213780481U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A cold resistant layer twisted OPGW optical cable Effective date of registration: 20231222 Granted publication date: 20210723 Pledgee: Shandong Qufu Rural Commercial Bank Co.,Ltd. Pledgor: Shandong luxitong Photoelectric Technology Co.,Ltd. Registration number: Y2023980073685 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |