CN102314968B - PFTTH (power fiber to the home) cable - Google Patents
PFTTH (power fiber to the home) cable Download PDFInfo
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- CN102314968B CN102314968B CN 201110181217 CN201110181217A CN102314968B CN 102314968 B CN102314968 B CN 102314968B CN 201110181217 CN201110181217 CN 201110181217 CN 201110181217 A CN201110181217 A CN 201110181217A CN 102314968 B CN102314968 B CN 102314968B
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 12
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Abstract
The invention belongs to the technical field of combination of wire cables and electric power and provides a PFTTH (power fiber to the home) cable. The PFTTH cable is characterized by comprising a first insulated conducting wire, a second insulated conducting wire, a butterfly optical cable, a first outer protection layer, a second outer protection layer, a third outer protection layer and a cavity, wherein the first outer protection layer covers the first insulated conducting wire; the second outer protection layer covers the second insulated conducting wire; the third outer protection layer covers the butterfly optical cable; the cavity is arranged in the third outer protection layer and can accommodate the butterfly optical cable; the first insulated conducting wire and the second insulated conducting wire are respectively arranged at the two sides of the butterfly optical cable; the first outer protection layer, the second outer protection layer and the third outer protection layer are in a one-body shape; and on any plane which is vertical to the axis of a first conductor, the outer edge of the third protection layer protrudes towards the cavity. According to the invention, the problems in the prior art that the cable is difficult to lay and tear out and the fiber density is low can be solved; and the PFTTH cable provided by the invention has the beneficial effects of stable heating performance, modularization, easiness for laying, producing, laying and constructing and the like.
Description
Technical field
the invention belongs to cable and power technology field, especially relate to a kind of power optical fiber to the family cable.
Background technology
along with the develop rapidly of information technology, the transmission of high-bandwidth information is more and more paid attention to by people, and the application in broadband is also day by day universal; End the first quarter in 2010, global broadband user reaches 4.85 hundred million families, and wherein FTTX user rises to 0.65 hundred million family; Domestic cut-off first quarter in 2010, the broadband user reaches 1.09 hundred million families, and wherein FTTX user rises to 0.15 hundred million family; Due to FTTX have than DSL faster speed and more easily the upgrading the factors such as scheme, therefore the development of FTTX will be very fast in several years of future.
along with the propelling of China's integration of three networks and the develop rapidly of electricity market, domestic power optical fiber accesses to family and progressively emerges.Electric power, as the necessity of human being's production, life, has reached irreplaceable stage, no matter be newly-built building or original building, all needs to access electric power, all needs the access of cable; And the operators such as existing telecommunications, UNICOM, broadcasting and TV, movement, Tie Tong, the transmission of its signal mainly depends on the communication line self constantly set up, therefore the cost of its input is quite surprising; Just because of convenience and the generality of electric power access, therefore, for newly-built building, when cable laying, if can lay the cable that is applicable to high-speed communication simultaneously, that later stage that will reduce widely user and operator drops into; For old building, the circuit owing to originally just having electric power to enter, only need upgrading to get final product.
for this reason, domestic had relevant research to corresponding cable, as patent name is: a kind of composite flexible fireproof power cable with optical fibers, notification number CN201868144U, it discloses several conductors, inorganic insulation layer, several conductors are arranged in parallel, the every conductor outside all is enclosed with inorganic insulation layer, and the gap-fill between the inorganic insulation layer of several conductors has an Optical Fiber Transmission unit; The outside is enclosed with belting layer, inner restrictive coating, external sheath layer successively, gap between the inorganic insulation layer of belting layer and several conductors is provided with filler, belting layer is that Mica tape forms, and the inner restrictive coating material adopts seamless wrinkle copper, and the filler material is inorfil.This patent light harvesting fibre and power transmission and distribution cable, have been avoided the secondary wiring, have reduced operating expenses, and the networking expense is low; Huge bandwidth access is provided; Yet, due to factors such as its external diameter are thick, stripping is inconvenient, construction is inconvenient, therefore fail large-scale promotion, use; For another example, patent name is: composite optical cable, notification number CN2689263, it discloses a kind of composite optical cable that has transmission of electricity or transmission of electric signals function concurrently, it comprises cable core 10, a pair of having of cable core 10 both sides conductor lines 20 excellent conductive performance and that can tolerate certain voltage, the oversheath 30 outside cable core 10 and conductor lines 20 of laying respectively at, cable core 10 comprises optical fiber 101 and is nested with the tight sleeve layer 102 outside optical fiber 101, and characteristics are: described tight sleeve layer 102 is wrapped in outside optical fiber 101 without unoccupied place; Described conductor lines 20 straight through being greater than the diameter of cable core 10; This patent has advantages of without using fills cable cream, lateral pressure resistant, counter-bending effective; But its stripping aspect of performance is very poor, and the quantity of its receiving optical fiber is only single, therefore can not meet the requirement of high capacity communication.
Summary of the invention
in order to address the above problem, the purpose of this invention is to provide a kind of power optical fiber to the family cable, it is realized by the following technical solutions:
a kind of power optical fiber to the family cable, is characterized in that it comprises: by the first conductor 11 and envelope the first insulated conductor that the first insulating barrier 12 of the first conductor forms, by the second conductor 21 and envelope the second insulated conductor that the second insulating barrier 22 of the second conductor forms, butterfly optical cable 5, envelope the first insulated conductor the first outer jacket 13, envelope the second insulated conductor the second outer jacket 23, envelope the 3rd outer jacket 3 of butterfly optical cable and be positioned at cavity 4 within the 3rd outer jacket and that can hold described butterfly optical cable; The first insulated conductor, the second insulated conductor, butterfly optical cable spatially are parallel distribution, and the first insulated conductor, the second insulated conductor lay respectively at the both sides of butterfly optical cable; The first outer jacket 13, the second outer jacket 23, the 3rd outer jacket 3 are integrated; The first outer jacket outer rim is that arc contacts with the 3rd outer jacket outer rim, and the second outer jacket outer rim is that arc contacts with the 3rd outer jacket outer rim; At arbitrary and the first conductor axis, on perpendicular plane, the outer rim of the 3rd outer jacket is protruded to cavity.
[0007] power optical fiber described above is to the family cable, it is characterized in that described butterfly optical cable consists of optical fiber 54 and the restrictive coating 51 that is positioned at the first reinforcement 53 and second reinforcement 52 of the optical fiber left and right sides and envelopes optical fiber, the first reinforcement, the second reinforcement; The axis of optical fiber, the first reinforcement, the second reinforcement is in same plane; There is leg-of-mutton the first tearing port 56 and leg-of-mutton the second tearing port 55 on the restrictive coating of the upper and lower both sides of optical fiber.
power optical fiber described above is to the family cable, it is characterized in that described cavity directly over there is the first passage 14 of a sidewall of perforation the first outer jacket; There is the second channel 24 that connects a sidewall of the second outer jacket under described cavity.
power optical fiber described above to the family cable, is characterized in that described the 3rd outer jacket, has towards cavity and does not extend through the external tearing port 6 of cavity.
power optical fiber described above is to the family cable, it is characterized in that described optical fiber is for G.652 type or G.655 type or G.657 type or multimode fiber type.
power optical fiber described above, to the family cable, is characterized in that described the first reinforcement is steel wire or fiberglass reinforced plastics; Described the second reinforcement is steel wire or fiberglass reinforced plastics.
power optical fiber described above is to the family cable, it is characterized in that described the first conductor is single copper wire or single aluminium wire or the intertwist body be twisted into by many copper wires or the intertwist body that is twisted into by multiple aluminium wire; Described the second conductor is single copper wire or single aluminium wire or the intertwist body be twisted into by many copper wires or the intertwist body that is twisted into by multiple aluminium wire.
power optical fiber described above, to the family cable, is characterized in that described the first insulating barrier is PVC or polyethylene or low-smoke halogen-free polyolefin; Described the second insulating barrier is PVC or polyethylene or low-smoke halogen-free polyolefin.
power optical fiber described above to the family cable, is characterized in that described the first outer jacket is PVC or polyethylene or low-smoke halogen-free polyolefin, and the first outer sheath material and the first insulating barrier are different materials; Described the second outer jacket is PVC or polyethylene or low-smoke halogen-free polyolefin, and the second outer sheath material and the second insulating barrier are different materials; Described the 3rd outer jacket is PVC or polyethylene or low-smoke halogen-free polyolefin; And the first outer jacket, the second outer jacket, the 3rd outer jacket are identical materials.
power optical fiber described above, to the family cable, is characterized in that the sectional dimension of described cavity meets: 3.25mm≤length≤4.2mm, and wide is 2.2mm or 2.25mm; The sectional dimension of described butterfly optical cable meets: 2.8mm≤length≤3.2mm, 1.8mm≤wide≤2.2mm.
power optical fiber described above, to the family cable, is characterized in that the optical fiber in described butterfly optical cable is 1 or 2 or 4 and independent distribution.
power optical fiber described above is to the family cable, it is characterized in that optical fiber in described butterfly optical cable is 2 or 4 or 6 and is distributed in fibre ribbon.
power optical fiber described above, to the family cable, is characterized in that described the first tearing port is over against the first insulated conductor; Described the second tearing port is over against the second insulated conductor.
further, power optical fiber described above, to the family cable, is characterized in that described the first tearing port and the second tearing port are over against the 3rd outer jacket.
power optical fiber described above is to the family cable, it is characterized in that appointing and get 1 meter length cables, one end loads vertically 100N and loads and fix, making the cable other end is to reverse for 1 time around do ± 90 degree of an end, after reversing 30 times, when described cable is got back to original position: the first insulated conductor does not separate with the first outer jacket, and the second insulated conductor does not separate with the second outer jacket, and described the 3rd outer jacket does not ftracture; Additional attenuation≤the 0.03dB of described optical fiber.
power optical fiber described above, to the family cable, is characterized in that described the first outer jacket is fixed, and drawing the second outer jacket to the power value scope that tears apart the 3rd outer jacket is [20N, 50N].
power optical fiber described above is to the family cable, and the minimum range that it is characterized in that described external tearing port and cavity inner wall is 0.4mm.
in the present invention, owing to butterfly optical cable having been put into to the cavity of cable, therefore greatly reduce the direct impact of heating for the performance of optical fiber; Because the ingenious property of structural design makes cable have good tear resistance; Setting up of external tearing port, can make the present invention not need specific purpose tool just can be torn like a cork, therefore it is more convenient to construct, in addition, owing in butterfly optical cable, can placing multifiber, therefore message capacity increases greatly; The present invention makes simply, can be not only integrated; Can also be modular, partly penetrate in cavity by butterfly optical cable in use; In addition, first passage, and the existence of second channel, after cable is torn outside the 3rd outer jacket, peel off the first outer jacket and the first outer jacket easily.
the present invention can be applied in the electric power/broadband access of new building; Can also be for existing building, and other occasion that can imagine.
the accompanying drawing explanation
fig. 1 is the cross-sectional structure schematic diagram of the invention process example 1;
fig. 2 is the cross-sectional structure schematic diagram of the butterfly cable part of the invention process example 1;
fig. 3 is the perspective view after the partly cut-away of the invention process example 1;
fig. 4 is the cross-sectional structure schematic diagram of the invention process example 2;
fig. 5 is the cross-sectional structure schematic diagram of the invention process example 3;
embodiment
below in conjunction with accompanying drawing, the present invention is described in further detail.
embodiment 1
refer to Fig. 1 to Fig. 3, a kind of power optical fiber to the family cable, is characterized in that it comprises: by the first conductor 11 and envelope the first insulated conductor that the first insulating barrier 12 of the first conductor forms, by the second conductor 21 and envelope the second insulated conductor that the second insulating barrier 22 of the second conductor forms, butterfly optical cable 5, envelope the first insulated conductor the first outer jacket 13, envelope the second insulated conductor the second outer jacket 23, envelope the 3rd outer jacket 3 of butterfly optical cable and be positioned at cavity 4 within the 3rd outer jacket and that can hold described butterfly optical cable; The first insulated conductor, the second insulated conductor, butterfly optical cable spatially are parallel distribution, and the first insulated conductor, the second insulated conductor lay respectively at the both sides of butterfly optical cable; The first outer jacket 13, the second outer jacket 23, the 3rd outer jacket 3 are integrated; The first outer jacket outer rim is that arc contacts with the 3rd outer jacket outer rim, and the second outer jacket outer rim is that arc contacts with the 3rd outer jacket outer rim; At arbitrary and the first conductor axis, on perpendicular plane, the outer rim of the 3rd outer jacket is protruded to cavity; Described butterfly optical cable consists of optical fiber 54 and the restrictive coating 51 that is positioned at the first reinforcement 53 and second reinforcement 52 of the optical fiber left and right sides and envelopes optical fiber, the first reinforcement, the second reinforcement; The axis of optical fiber, the first reinforcement, the second reinforcement is in same plane; There is leg-of-mutton the first tearing port 56 and leg-of-mutton the second tearing port 55 on the restrictive coating of the upper and lower both sides of optical fiber; There is the first passage 14 that connects a sidewall of the first outer jacket directly over described cavity; There is the second channel 24 that connects a sidewall of the second outer jacket under described cavity; Optical fiber is type G.657; The first reinforcement is steel wire; The second reinforcement is steel wire; The first conductor is single copper wire; The second conductor is single copper wire; The first insulating barrier is PVC; The second insulating barrier is PVC; The first outer jacket, the second outer jacket, the 3rd outer jacket are all low-smoke halogen-free polyolefin; The sectional dimension of described cavity meets: 3.25mm≤length≤4.2mm, and wide is 2.2mm or 2.25mm; The sectional dimension of described butterfly optical cable meets: 2.8mm≤length≤3.2mm, 1.8mm≤wide≤2.2mm; Optical fiber in described butterfly optical cable is 1; Described the first tearing port is over against the first insulated conductor; The second tearing port is over against the second insulated conductor; Described power optical fiber is to the family cable, it is characterized in that appointing and get 1 meter length cables, one end loads vertically 100N and loads and fix, making the cable other end is to reverse for 1 time around do ± 90 degree of an end, after reversing 30 times, when described cable is got back to original position: the first insulated conductor does not separate with the first outer jacket, and the second insulated conductor does not separate with the second outer jacket, and described the 3rd outer jacket does not ftracture; Additional attenuation≤the 0.03dB of described optical fiber; Described the first outer jacket is fixed, and drawing the second outer jacket to the power value scope that tears apart the 3rd outer jacket is [20N, 50N].
embodiment 2
ask for an interview Fig. 4, and referring to figs. 1 to Fig. 3, a kind of power optical fiber is to the family cable, it is characterized in that it comprises: by the first conductor 11 and envelope the first insulated conductor that the first insulating barrier 12 of the first conductor forms, by the second conductor 21 and envelope the second insulated conductor that the second insulating barrier 22 of the second conductor forms, a butterfly optical cable 5, envelope the first outer jacket 13 of the first insulated conductor, envelope the second outer jacket 23 of the second insulated conductor, envelope the 3rd outer jacket 3 of butterfly optical cable and be positioned at cavity 4 within the 3rd outer jacket and that can hold described butterfly optical cable, the first insulated conductor, the second insulated conductor, butterfly optical cable spatially are parallel distribution, and the first insulated conductor, the second insulated conductor lay respectively at the both sides of butterfly optical cable, the first outer jacket 13, the second outer jacket 23, the 3rd outer jacket 3 are integrated, the first outer jacket outer rim is that arc contacts with the 3rd outer jacket outer rim, and the second outer jacket outer rim is that arc contacts with the 3rd outer jacket outer rim, at arbitrary and the first conductor axis, on perpendicular plane, the outer rim of the 3rd outer jacket is protruded to cavity, described butterfly optical cable consists of optical fiber 54 and the restrictive coating 51 that is positioned at the first reinforcement 53 and second reinforcement 52 of the optical fiber left and right sides and envelopes optical fiber, the first reinforcement, the second reinforcement, the axis of optical fiber, the first reinforcement, the second reinforcement is in same plane, there is leg-of-mutton the first tearing port 56 and leg-of-mutton the second tearing port 55 on the restrictive coating of the upper and lower both sides of optical fiber, optical fiber is type G.657, the first reinforcement is steel wire, the second reinforcement is steel wire, the first conductor is single copper wire, the second conductor is single copper wire, the first insulating barrier is PVC, the second insulating barrier is PVC, the first outer jacket, the second outer jacket, the 3rd outer jacket are all low-smoke halogen-free polyolefin, the sectional dimension of described cavity meets: 3.25mm≤length≤4.2mm, and wide is 2.2mm or 2.25mm, the sectional dimension of described butterfly optical cable meets: 2.8mm≤length≤3.2mm, 1.8mm≤wide≤2.2mm, optical fiber in described butterfly optical cable is 1, described the first tearing port is over against the first insulated conductor, the second tearing port is over against the second insulated conductor, described power optical fiber is to the family cable, it is characterized in that appointing and get 1 meter length cables, one end loads vertically 100N and loads and fix, making the cable other end is to reverse for 1 time around do ± 90 degree of an end, after reversing 30 times, when described cable is got back to original position: the first insulated conductor does not separate with the first outer jacket, and the second insulated conductor does not separate with the second outer jacket, and described the 3rd outer jacket does not ftracture, additional attenuation≤the 0.03dB of described optical fiber, described the first outer jacket is fixed, and drawing the second outer jacket to the power value scope that tears apart the 3rd outer jacket is [20N, 50N].
power optical fiber described above is to the family cable, it is characterized in that described cavity directly over also can there is the first passage 14 of a sidewall of perforation the first outer jacket; Also can there is the second channel 24 that connects a sidewall of the second outer jacket under described cavity.
ask for an interview Fig. 5, and referring to figs. 1 to Fig. 3, a kind of power optical fiber is to the family cable, and substantially with embodiment 1, difference is the 3rd outer jacket, has towards cavity and does not extend through the external tearing port 6 of cavity; The minimum range of external tearing port and cavity inner wall is 0.4mm.
certainly, power optical fiber described in above-mentioned arbitrary embodiment to the family cable, is characterized in that described the 3rd outer jacket, has towards cavity and does not extend through the external tearing port 6 of cavity.
certainly, power optical fiber described in above-mentioned arbitrary embodiment is to the family cable, it is characterized in that described optical fiber is for G.652 type or G.655 type or G.657 type or multimode fiber type.
certainly, power optical fiber described in above-mentioned arbitrary embodiment, to the family cable, is characterized in that described the first reinforcement is steel wire or fiberglass reinforced plastics; Described the second reinforcement is steel wire or fiberglass reinforced plastics.
certainly, power optical fiber described in above-mentioned arbitrary embodiment is to the family cable, it is characterized in that described the first conductor is single copper wire or single aluminium wire or the intertwist body be twisted into by many copper wires or the intertwist body that is twisted into by multiple aluminium wire; Described the second conductor is single copper wire or single aluminium wire or the intertwist body be twisted into by many copper wires or the intertwist body that is twisted into by multiple aluminium wire.
certainly, power optical fiber described in above-mentioned arbitrary embodiment, to the family cable, is characterized in that described the first insulating barrier is PVC or polyethylene or low-smoke halogen-free polyolefin; Described the second insulating barrier is PVC or polyethylene or low-smoke halogen-free polyolefin.
certainly, power optical fiber described in above-mentioned arbitrary embodiment to the family cable, is characterized in that described the first outer jacket is PVC or polyethylene or low-smoke halogen-free polyolefin, and the first outer sheath material and the first insulating barrier are different materials; Described the second outer jacket is PVC or polyethylene or low-smoke halogen-free polyolefin, and the second outer sheath material and the second insulating barrier are different materials; Described the 3rd outer jacket is PVC or polyethylene or low-smoke halogen-free polyolefin; And the first outer jacket, the second outer jacket, the 3rd outer jacket are identical materials.
certainly, power optical fiber described in above-mentioned arbitrary embodiment, to the family cable, is characterized in that the optical fiber in described butterfly optical cable is 1 or 2 or 4 and independent distribution.
certainly, power optical fiber described in above-mentioned arbitrary embodiment is to the family cable, it is characterized in that optical fiber in described butterfly optical cable is 2 or 4 or 6 and is distributed in fibre ribbon.
certainly, power optical fiber described in above-mentioned arbitrary embodiment, to the family cable, is characterized in that described the first tearing port is over against the first insulated conductor; Described the second tearing port is over against the second insulated conductor.
certainly, power optical fiber described in above-mentioned arbitrary embodiment, to the family cable, is characterized in that described the first tearing port and the second tearing port can also be over against the 3rd outer jackets.
certainly, power optical fiber described in above-mentioned arbitrary embodiment is to the family cable, and the minimum range that it is characterized in that described external tearing port and cavity inner wall is 0.4mm.
in the present invention, owing to butterfly optical cable having been put into to the cavity of cable, therefore greatly reduce the direct impact of heating for the performance of optical fiber; Because the ingenious property of structural design makes cable have good tear resistance; Setting up of external tearing port, can make the present invention not need specific purpose tool just can be torn like a cork, therefore it is more convenient to construct, in addition, owing in butterfly optical cable, can placing multifiber, therefore message capacity increases greatly; The present invention makes simply, can be not only integrated; Can also be modular, partly penetrate in cavity by butterfly optical cable in use; In addition, first passage, and the existence of second channel, after cable is torn outside the 3rd outer jacket, peel off the first outer jacket and the first outer jacket easily.
the present invention can be applied in the electric power/broadband access of new building; Can also be for existing building, and other occasion that can imagine.
the present invention is not limited to above-mentioned preferred forms, should be appreciated that design of the present invention can be by other various forms enforcement utilizations, and they drop in protection scope of the present invention equally.
Claims (9)
1. a power optical fiber is to the family cable, it is characterized in that it comprises: by the first conductor (11) and envelope the first insulated conductor that first insulating barrier (12) of the first conductor forms, by the second conductor (21) and envelope the second insulated conductor that second insulating barrier (22) of the second conductor forms, a butterfly optical cable (5), envelope first outer jacket (13) of the first insulated conductor, envelope second outer jacket (23) of the second insulated conductor, envelope the 3rd outer jacket (3) of butterfly optical cable and be positioned at cavity within the 3rd outer jacket and that can hold described butterfly optical cable (4), the first insulated conductor, the second insulated conductor, butterfly optical cable spatially are parallel distribution, and the first insulated conductor, the second insulated conductor lay respectively at the both sides of butterfly optical cable, the first outer jacket (13), the second outer jacket (23), the 3rd outer jacket (3) are integrated, the first outer jacket outer rim is that arc contacts with the 3rd outer jacket outer rim, and the second outer jacket outer rim is that arc contacts with the 3rd outer jacket outer rim, at arbitrary and the first conductor axis, on perpendicular plane, the outer rim of the 3rd outer jacket is protruded to cavity, described butterfly optical cable consists of optical fiber (54) and the restrictive coating (51) that is positioned at the first reinforcement (53) and second reinforcement (52) of the optical fiber left and right sides and envelopes optical fiber, the first reinforcement, the second reinforcement, the axis of optical fiber, the first reinforcement, the second reinforcement is in same plane, there is leg-of-mutton the first tearing port (56) and leg-of-mutton the second tearing port (55) on the restrictive coating of the upper and lower both sides of optical fiber, appoint and get 1 meter length cables, one end loads vertically 100N and loads and fix, making the cable other end is to reverse for 1 time around do ± 90 degree of an end, after reversing 30 times, when described cable is got back to original position: the first insulated conductor does not separate with the first outer jacket, the second insulated conductor does not separate with the second outer jacket, and described the 3rd outer jacket does not ftracture, additional attenuation≤the 0.03dB of described optical fiber, described the first outer jacket is fixed, and drawing the second outer jacket to the power value scope that tears apart the 3rd outer jacket is [20N, 50N], there is the first passage (14) that connects a sidewall of the first outer jacket directly over described cavity, there is the second channel (24) that connects a sidewall of the second outer jacket under described cavity.
2. a kind of power optical fiber according to claim 1 to the family cable, is characterized in that described the 3rd outer jacket, has towards cavity and does not extend through the external tearing port (6) of cavity.
According to claim 1 or a kind of power optical fiber claimed in claim 2 to the family cable, it is characterized in that described optical fiber is for G.652 type or G.655 type or G.657 type or multimode fiber type; Described the first reinforcement is steel wire or fiberglass reinforced plastics; Described the second reinforcement is steel wire or fiberglass reinforced plastics.
According to claim 1 or a kind of power optical fiber claimed in claim 2 to the family cable, it is characterized in that described the first conductor is single copper wire or single aluminium wire or the intertwist body be twisted into by many copper wires or the intertwist body that is twisted into by multiple aluminium wire; Described the second conductor is single copper wire or single aluminium wire or the intertwist body be twisted into by many copper wires or the intertwist body that is twisted into by multiple aluminium wire.
5. arrive the family cable according to claim 1 or a kind of power optical fiber claimed in claim 2, it is characterized in that described the first insulating barrier is PVC or polyethylene or low-smoke halogen-free polyolefin; Described the second insulating barrier is PVC or polyethylene or low-smoke halogen-free polyolefin; Described the first outer jacket is PVC or polyethylene or low-smoke halogen-free polyolefin, and the first outer sheath material and the first insulating barrier are different materials; Described the second outer jacket is PVC or polyethylene or low-smoke halogen-free polyolefin, and the second outer sheath material and the second insulating barrier are different materials; Described the 3rd outer jacket is PVC or polyethylene or low-smoke halogen-free polyolefin; And the first outer jacket, the second outer jacket, the 3rd outer jacket are identical materials; The sectional dimension of cavity meets: 3.25mm≤length≤4.2mm, and wide is 2.2mm or 2.25mm; The sectional dimension of described butterfly optical cable meets: 2.8mm≤length≤3.2mm, 1.8mm≤wide≤2.2mm.
6. arrive the family cable according to claim 1 or a kind of power optical fiber claimed in claim 2, it is characterized in that the optical fiber in described butterfly optical cable is 1 or 2 or 4 and independent distribution.
According to claim 1 or a kind of power optical fiber claimed in claim 2 to the family cable, it is characterized in that optical fiber in described butterfly optical cable is 2 or 4 or 6 and is distributed in fibre ribbon.
According to claim 1 or a kind of power optical fiber claimed in claim 2 to the family cable, it is characterized in that described the first tearing port be over against the first insulated conductor and the second tearing port be over against the first tearing port the second insulated conductor or described and the second tearing port over against the 3rd outer jacket.
9. power optical fiber is to the family cable according to claim 2, and the minimum range that it is characterized in that described external tearing port and cavity inner wall is 0.4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110181217 CN102314968B (en) | 2011-06-29 | 2011-06-29 | PFTTH (power fiber to the home) cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110181217 CN102314968B (en) | 2011-06-29 | 2011-06-29 | PFTTH (power fiber to the home) cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102314968A CN102314968A (en) | 2012-01-11 |
| CN102314968B true CN102314968B (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110181217 Expired - Fee Related CN102314968B (en) | 2011-06-29 | 2011-06-29 | PFTTH (power fiber to the home) cable |
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| CN (1) | CN102314968B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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