CN105139962A - Mixed cable containing coaxial cable - Google Patents
Mixed cable containing coaxial cable Download PDFInfo
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- CN105139962A CN105139962A CN201510639873.1A CN201510639873A CN105139962A CN 105139962 A CN105139962 A CN 105139962A CN 201510639873 A CN201510639873 A CN 201510639873A CN 105139962 A CN105139962 A CN 105139962A
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Abstract
The invention relates to a mixed cable containing a coaxial cable. The mixed cable comprises an internal structure of the mixed cable and an outer sheath coating the outer layer of the internal structure of the mixed cable. At least one ripping cord is arranged between the internal structure of the mixed cable and the outer sheath. The internal structure contains a coaxial cable unit and at least one optical cable unit; and after the coaxial cable unit and the optical cable unit are twisted into a cable unit, the outer sheath sleeves the cable unit. The mixed cable can be used as a transmission line in a broadband access network system and a novel access way is realized. The mixed cable is integrated with the fiber, the coaxial cable, and pair twisted cables; and problems of broadband access and signal transmission can be solved. The mixed cable can be mainly applied to a cable TV network and a broadband access network system. Moreover, different combination units of several kinds of transmission signal lines, various access modes of the broadcast and TV system can be realized.
Description
Technical field
The invention belongs to communication technical field, especially fiber-coaxial pair twist hybrid technology, be specifically related to a kind of mixing cable containing coaxial cable.
Background technology
Coaxial cable is a kind of cable be made up of two conductors, the center conductor of coaxial cable is used for signal transmission, metallic shield net plays two effects: one is signal common ground for signal provides current circuit, and two is signal gauze screens, suppresses electromagnetic noise to the interference of signal.Center conductor and gauze screen are between half polypropylene insulation layer foam, and insulating barrier determines the transmission characteristic of cable, and the available protecting wire of centre.The reliable physical characteristic of coaxial cable, excellent audio frequency and video performance can be provided, therefore, coaxial cable is widely used in the transmission of audio frequency and video or radio frequency, transfer impedance is generally 75 Ω, has become the normal impedance (50 Ω impedance operators also can be utilized in early days to carry out transmission of video) of video.
Twisted-pair feeder has antijamming capability Qiang ﹑ transmission range Yuan ﹑ and to connect up the plurality of advantages such as Rong Yi ﹑ is cheap, and therefore the scope of application of twisted-pair feeder is comparatively wide, such as: phone transmission field, industrial control system, place, local area network (LAN) etc. that interference is larger.
But along with the development of technology and the demand of Communications Market, under the background of the integration of three networks, the competitive pressure from operator is increasing, especially the speed-raising of its broadband has attracted a large number of users, and bottleneck stage has been arrived in the business development of radio and TV operator.Meanwhile, the bandwidth demand of user is in continuous growth, and the bandwidth of more than each household 10Mbps becomes common requirements, and access network meets with bandwidth bottleneck.Along with the maturation of industrial chain, the cost of PON optical network device, optical fiber cable and relevant components and parts declines to a great extent, and ODN efficiency of construction is also in fast lifting, and FTTH has become the Access Network scheme of the most applicable carrying full-service.In FTTH scheme, CATV access way is divided into single fiber three ripple, two fine three ripples, fiber-coaxial pair to register one's residence three kinds, single fiber three ripple each household increases 1 WDM module newly, and in network construction cost, the two fine three ripple > fiber-coaxials of single fiber three ripple > are two registers one's residence.
Therefore, the cost of composite fiber cable, can solve the consideration of the problem such as broadband access, Signal transmissions, need now a kind of mixing cable of new construction, this mixing cable can meet the different access waies of broadcasting and TV CATV.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of mixing cable containing coaxial cable, it is applicable to make transmission line in broadband access network system, it is a kind of novel access way, its light harvesting is fine, with axle electricity cable ﹑ to stranded cable in one, can solve the problem of broadband access, Signal transmissions, it mainly applies to cable TV network, broadband access network, and the present invention adopts the various combination of multiple transmission signal line to meet Broadcast and TV system plurality of access modes.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of mixing cable containing coaxial cable, it comprises the internal structure of mixing cable and is rolled in the outer field oversheath of internal structure of described mixing cable, be provided with at least one between the internal structure of described mixing cable and described oversheath and tear rope, the internal structure of described mixing cable comprises: coaxial cable unit and at least one optical cable unit, after described coaxial cable unit and optical cable unit twisted synthesizing cable, outside sheathed described oversheath.
In a preferred embodiment of the present invention, comprise further, described coaxial cable unit is placed in cable core as central reinforce member, described optical cable unit and paired cable unit are around described coaxial cable unit, described coaxial cable unit and described optical cable unit and paired cable unit twisted synthesizing cable, outside sheathed described oversheath.
In a preferred embodiment of the present invention, comprise further, described optical cable unit is that twin-core tightly overlaps unit, and described twin-core tightly overlaps unit and intersects around described coaxial cable unit with paired cable unit.
In a preferred embodiment of the present invention, comprise further, described optical cable unit is stealthy optical cable, described coaxial cable unit and two described stealthy optical cable twisted synthesizing cables, the cable core of described stealthy optical cable is covered wire cable, described covered wire cable both sides are equipped with a reinforcement, and described covered wire cable and two described reinforcements wrap up transparent nylon and form described stealthy optical cable.
In a preferred embodiment of the present invention, comprise further, the structure of described mixing cable is pancake, and described stealthy optical cable is arranged on the same side of described coaxial cable unit.
In a preferred embodiment of the present invention, comprise further, described optical cable unit comprises at least one core air-blowing micro-cable, and described air-blowing micro-cable outer wrap air-blowing microtubule, described coaxial cable unit and described air-blowing microtubule are wrapped up by described oversheath.
In a preferred embodiment of the present invention, comprise further, described coaxial cable unit and described air-blowing microtubule are arranged side by side, and the structure of described mixing cable is pancake.
In a preferred embodiment of the present invention, comprise further, described optical cable unit is stealthy optical cable, described stealthy optical cable, coaxial cable unit and pair twist unit twisted synthesizing cable.
In a preferred embodiment of the present invention, comprise further, the structure of described mixing cable is pancake, containing some paired cables in described pair twist unit; The cable core of described stealthy optical cable is covered wire cable, and described covered wire cable both sides are equipped with a reinforcement, and described covered wire cable and two described reinforcements wrap up transparent nylon and form described stealthy optical cable.
The invention has the beneficial effects as follows:
One, the present invention adopt coaxial cable unit to mix cable with multi-form optical cable to being twisted into, solve broadband access and signal transmission issues, for Broadcast and TV system provides multiple comprehensive access way, the object that many nets such as telecommunications network, broadcasting and television network, the Internet merge can be realized.
Broadband access two, in the present invention fiber-coaxial pair twist mixing cable, it has, and external diameter is little, lightweight, take up room little feature, and cost is low, once lays, and reduces construction cost, decreases networking expense; This mixing cable can provide multiple transmission technology simultaneously, and the adaptability with equipment is high, extensibility is strong, product adaptation is wide.
Hybred fiber-coax cable three, in the present invention is combined by two stealthy optical cables and coaxial cable, be adapted to the two access way of registering one's residence of fiber-coaxial, and two fiber entering households are conducive to the upgrading of network system from now on, stealthy optical cable does not affect the attractive in appearance of interior decoration when indoor are laid, the mode that lays of its pancake structural design and light unit meets the requirement of the bending property of mixing cable, reduces mixing cable cable wiring manufacture to the injury of cable.
Coaxial air-blowing mixing cable four, in the present invention, combined by coaxial cable unit and air-blowing microtubule, its novel structure, access way is flexible and changeable, the core number of air-blowing can be selected according to the quantity of user, decrease unnecessary waste, air-blowing can send into different fiber numbers according to demand simultaneously, meet the access way that broadcasting and TV are various.Adopt this kind of mixing cable, television transmission signal and broadband letter are transmitted on two circuits, both meets television signal transmission like this, turn improve the requirement of consumer wideband speed.
Fiber-coaxial pair twist mixing cable five, in the present invention, its stranded power adopting the frame mode of platypelloid type to effectively prevent same axle unit and other unit to be subject in process of production; In mixing cable, various structures meets needed for various access, and coaxial cable is applicable to cable TV network, and stealthy optical cable is applicable to broadband access, and diagonal can be used for the route shunt in family, for broadcasting and TV provide the total solution of broadband access.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in embodiment of the present invention technology, be briefly described to the accompanying drawing used required in the description of embodiment technology below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the cross section structure schematic diagram mixing cable in embodiment 1.
Fig. 2 is the cross section structure schematic diagram mixing cable in embodiment 2.
Fig. 3 is the cross section structure schematic diagram mixing cable in embodiment 3.
Fig. 4 is the cross section structure schematic diagram mixing cable in embodiment 4.
Wherein, 1-oversheath, 2-tears rope, 10-coaxial cable unit, 11-optical cable unit, 12-paired cable unit, the stealthy optical cable of 20-, 21-reinforcement, 22-covered wire cable, 30-air-blowing microtubule, 31-air-blowing micro-cable, 40-pair twist unit.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The mixing cable containing coaxial cable is related in the present invention, it mainly comprises the internal structure of mixing cable and is rolled in the outer field oversheath 1 of internal structure of described mixing cable, be provided with at least one between the internal structure of described mixing cable and described oversheath and tear rope 2, wherein, the internal structure of described mixing cable comprises: coaxial cable unit 10 and at least one optical cable unit 11, after described coaxial cable unit 10 and optical cable unit 11 twisted synthesizing cable, outside sheathed described oversheath 1.
Embodiment 1
As shown in Figure 1, the mixing cable containing coaxial cable disclosed in the present embodiment, it is broadband access fiber-coaxial pair twist mixing cable according to purposes and structure.
In this mixing cable, above-mentioned coaxial cable unit 10 is placed in cable core as central reinforce member, above-mentioned optical cable unit 11 and paired cable unit 12 are around above-mentioned coaxial cable unit, above-mentioned coaxial cable unit 10 and above-mentioned optical cable unit 11 and paired cable unit 12 twisted synthesizing cable, outside sheathed above-mentioned oversheath 1.Wherein, above-mentioned optical cable unit 11 tightly overlaps unit for twin-core, and above-mentioned twin-core tightly overlaps unit and intersects with paired cable unit 12 and be centered around around coaxial cable unit 10.
Compared with registering one's residence with traditional coaxial cable, broadband access fiber-coaxial pair twist mixing cable provides plurality of access modes, coaxial cable is placed in cable core as central reinforce member, twin-core tightly overlaps unit and paired cable unit 12 rear around coaxial cable is stranded is protected one deck PE and expects outward, PE material is oversheath, this mixing cable just can solve television signal transmission by a cable simultaneously, the problem of the upgrading of broadband access and later stage network system.
Broadband access fiber-coaxial pair twist mixing cable is applicable to make transmission line in broadband access network system, it is a kind of novel access way, its light harvesting is fine, with axle electricity cable ﹑ to stranded cable in one, the problem of broadband access, Signal transmissions can be solved, it mainly applies to cable TV network, broadband access network.It is as follows that this mixing cable has plurality of advantages:
(1) external diameter is little, lightweight, takes up room little (under normal circumstances with the series of problems that many cables could solve, can replace at this with a composite rope);
(2) client's purchase cost is low, once lays and reduces operating expenses, decreases networking expense;
(3) provide multiple transmission technology simultaneously, the adaptability with equipment is high, extensibility is strong, product is widely applicable;
(4) huge bandwidth access is provided;
(5) cost-saving, using optical fiber as the use reserved to family, avoid secondary wiring;
(6) adopt the process structure of layer-twisted type, optical fiber has had more than secondary long in sleeve pipe, improves the tensile property of mixing cable.
Embodiment 2
Mixing cable disclosed in embodiment 2 is hybred fiber-coax cable, its structure as shown in Figure 2, mixing cable is combined by coaxial cable unit 10 and stealthy optical cable 20, the cable core of above-mentioned stealthy optical cable 20 is covered wire cable 22, above-mentioned covered wire cable 22 both sides are equipped with a reinforcement 21, and above-mentioned covered wire cable 22 and two above-mentioned reinforcements 21 wrap up transparent nylon and form above-mentioned stealthy optical cable 20.Above-mentioned stealthy optical cable 20 is arranged on the same side of above-mentioned coaxial cable unit 10, the structure of above-mentioned mixing cable is pancake, the mode that lays of pancake structural design and light unit meets the requirement of the bending property of mixing cable, reduces mixing cable and lays the injury of construction to cable.
Hybred fiber-coax cable adopts the access way of coaxial two optical fiber, not only meets the two requirement of registering one's residence of broadcasting and TV coaxial optical fiber, and a remaining optical fiber can, as network upgrade in the future, also can be not only the choosing for subsequent use of some important place optical fiber.
What hybred fiber-coax cable adopted is stealthy optical cable unit; the ultra-fine nylon of transparent 0.9mm is adopted tightly to overlap the new technology of parcel optical fiber; before registering one's residence, there is 2*3mm rubber insulated cable to protect optical fiber; stripping rubber insulated cable in the middle of after registering one's residence, is only tightly overlapped unit with transparent nylon in indoor and not to be affected decorate in user family attractive in appearance by route wirings such as corners.
Embodiment 3
Mixing cable in the present embodiment is coaxial air-blowing mixing cable, as shown in Figure 3, it is made up of a coaxial cable unit 10 and an air-blowing microtubule 30, a core air-blowing micro-cable 31 is at least comprised in air-blowing microtubule 30, namely the optical cable unit of this mixing cable is at least containing a core air-blowing micro-cable 31, above-mentioned air-blowing micro-cable outer wrap air-blowing microtubule 30, above-mentioned coaxial cable unit 10 is wrapped up by above-mentioned oversheath 1 with above-mentioned air-blowing microtubule 30.Further, above-mentioned coaxial cable unit 10 is arranged side by side with above-mentioned air-blowing microtubule 30, and the structure of above-mentioned mixing cable is pancake.
This cable applies to the mode of coaxial access and in cable, has reserved air-blowing microtubule 30, and disposable laying both reduced construction cost, is also that fiber entering household will provide conduit resource from now on, is sent in user family by optical fiber by the mode of air-blowing.
This mixing cable is combined by coaxial cable and air-blowing microtubule 30, and novel structure, access way is flexible and changeable.The core number of air-blowing can be selected according to the quantity of user, decrease unnecessary waste.Adopt microtubule to add the mode of coaxial cable, while laying mixing cable, also laid a pipeline, fiber entering household just can enter in user family by this root pipeline, and the conduit resource be becoming tight for city day provides pipeline space.Also can carry out secondary according to the original ducted micro-cable of needs blowout in the future to lay, reduce the expense of optical fiber urban renewal.
Broadband user's part times of current broadcasting and TV so uses coaxial cable, but the bandwidth of coaxial cable and transmission rate are far away from optical fiber.Adopt this kind of mixing cable, television transmission signal and broadband letter are transmitted on two circuits, both meets television signal transmission like this, turn improve the requirement of consumer wideband speed.
Broadcasting and TV single fiber three ripple, two fine three ripples, coaxial optical fiber be two the access way of multiple FTTH such as to register one's residence, and different access waies is from different places also different to the requirement of fiber number.And this mixing cable has optical fiber connecting method flexibly, air-blowing can send into different fiber numbers according to demand, meet the access way that broadcasting and TV are various.
Embodiment 4
Mixing cable in embodiment 4 is fiber-coaxial pair twist mixing cable, and this mixing cable is formed by a stealthy optical cable unit, pair twist unit and coaxial cable unit combination.Disposable system of laying contains coaxial cable, to stranded cable and stealthy optical cable, the access way for broadcasting and TV provides comprehensive selection mode.
As shown in Figure 4, mixing cable is by stealthy optical cable 20, coaxial cable unit 10 and pair twist unit 40 twisted synthesizing cable, and the structure of above-mentioned mixing cable is pancake, containing some paired cables in above-mentioned pair twist unit for its concrete structure; Above-mentioned stealthy light, the cable core of 20 is covered wire cable 22, and above-mentioned covered wire cable both sides are equipped with a reinforcement 21, and above-mentioned covered wire cable 22 and two above-mentioned reinforcements 21 wrap up transparent nylon and form above-mentioned stealthy optical cable 20.
The stranded power that this mixing cable adopts the frame mode of platypelloid type to effectively prevent same axle unit and other unit to be subject in process of production.Coaxial cable is applicable to cable TV network, and stealthy optical cable is applicable to broadband access, and twisted pair wire can be used for the route shunt in family, for broadcasting and TV provide the total solution of broadband access.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. the mixing cable containing coaxial cable, it comprises the internal structure of mixing cable and is rolled in the outer field oversheath of internal structure of described mixing cable, be provided with at least one between the internal structure of described mixing cable and described oversheath and tear rope, it is characterized in that, the internal structure of described mixing cable comprises: coaxial cable unit and at least one optical cable unit, after described coaxial cable unit and optical cable unit twisted synthesizing cable, outside sheathed described oversheath.
2. a kind of mixing cable containing coaxial cable according to claim 1, it is characterized in that, described coaxial cable unit is placed in cable core as central reinforce member, described optical cable unit and paired cable unit are around described coaxial cable unit, described coaxial cable unit and described optical cable unit and paired cable unit twisted synthesizing cable, outside sheathed described oversheath.
3. a kind of mixing cable containing coaxial cable according to claim 2, it is characterized in that, described optical cable unit is that twin-core tightly overlaps unit, and described twin-core tightly overlaps unit and intersects around described coaxial cable unit with paired cable unit.
4. a kind of mixing cable containing coaxial cable according to claim 1, it is characterized in that, described optical cable unit is stealthy optical cable, described coaxial cable unit and two described stealthy optical cable twisted synthesizing cables, the cable core of described stealthy optical cable is covered wire cable, described covered wire cable both sides are equipped with a reinforcement, and described covered wire cable and two described reinforcements wrap up transparent nylon and form described stealthy optical cable.
5. a kind of mixing cable containing coaxial cable according to claim 4, it is characterized in that, the structure of described mixing cable is pancake, and described stealthy optical cable is arranged on the same side of described coaxial cable unit.
6. a kind of mixing cable containing coaxial cable according to claim 1, it is characterized in that, described optical cable unit comprises at least one core air-blowing micro-cable, and described air-blowing micro-cable outer wrap air-blowing microtubule, described coaxial cable unit and described air-blowing microtubule are wrapped up by described oversheath.
7. a kind of mixing cable containing coaxial cable according to claim 6, it is characterized in that, described coaxial cable unit and described air-blowing microtubule are arranged side by side, and the structure of described mixing cable is pancake.
8. a kind of mixing cable containing coaxial cable according to claim 1, it is characterized in that, described optical cable unit is stealthy optical cable, described stealthy optical cable, coaxial cable unit and pair twist unit twisted synthesizing cable.
9. a kind of mixing cable containing coaxial cable according to claim 8, it is characterized in that, the structure of described mixing cable is pancake, containing some paired cables in described pair twist unit; The cable core of described stealthy optical cable is covered wire cable, and described covered wire cable both sides are equipped with a reinforcement, and described covered wire cable and two described reinforcements wrap up transparent nylon and form described stealthy optical cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510639873.1A CN105139962A (en) | 2015-09-30 | 2015-09-30 | Mixed cable containing coaxial cable |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510639873.1A CN105139962A (en) | 2015-09-30 | 2015-09-30 | Mixed cable containing coaxial cable |
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| CN201510639873.1A Pending CN105139962A (en) | 2015-09-30 | 2015-09-30 | Mixed cable containing coaxial cable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105632646A (en) * | 2016-04-07 | 2016-06-01 | 珠海汉胜科技股份有限公司 | Photoelectric composite cable |
| CN106251975A (en) * | 2016-08-31 | 2016-12-21 | 安徽宏源特种电缆股份有限公司 | A kind of coaxial radio-frequency photoelectric communication composite cable and production method thereof |
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| CN205016298U (en) * | 2015-09-30 | 2016-02-03 | 江苏亨通光电股份有限公司 | Mixed cable that contains coaxial cable |
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| US5418878A (en) * | 1994-05-09 | 1995-05-23 | Metropolitan Communication Authority, Inc. | Multi-mode communications cable having a coaxial cable with twisted electrical conductors and optical fibers |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105632646A (en) * | 2016-04-07 | 2016-06-01 | 珠海汉胜科技股份有限公司 | Photoelectric composite cable |
| CN106251975A (en) * | 2016-08-31 | 2016-12-21 | 安徽宏源特种电缆股份有限公司 | A kind of coaxial radio-frequency photoelectric communication composite cable and production method thereof |
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