CN202076040U - Full-dry type photoelectric compound cable - Google Patents
Full-dry type photoelectric compound cable Download PDFInfo
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- CN202076040U CN202076040U CN 201120107230 CN201120107230U CN202076040U CN 202076040 U CN202076040 U CN 202076040U CN 201120107230 CN201120107230 CN 201120107230 CN 201120107230 U CN201120107230 U CN 201120107230U CN 202076040 U CN202076040 U CN 202076040U
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Abstract
The utility model discloses a full-dry type photoelectric compound cable which comprises a cable core constituted by one or more power wire cores, wherein each power wire core comprises a conductor and an insulating layer coated on an outer layer of the conductor; the full-dry type photoelectric compound cable further comprises zonal optical units which are wound on the outer surface of the cable core at intervals; each zonal optical unit comprises an optical fiber and two layers of water-blocking tape materials; and the two layers of the water-blocking tape materials are used for clamping the optical fiber between the two layers of the water-blocking tape materials in each zonal optical unit. The photoelectric compound cable overthrows the optical units in fiber paste filling structures, adopts the optical units in the structures of using the water-blocking tape materials to clamp the optical fibers and enables the optical units to be wound on the outer surface of the cable core at intervals. The whole structures of the optical units do not use fiber paste, so that the photoelectric compound cable can avoid the problem of reducing the optical communication performance caused by drip leakage of the fiber paste due to temperature rise generated under the situation of full-load operation of the power wire cores under the vertical laying conditions and ensure the actual application of the full-dry type photoelectric compound cable.
Description
Technical field
The utility model relates to a kind of photoelectricity composite cable, particularly a kind of dry type photoelectricity composite cable.
Background technology
The compound low-voltage cable of photoelectricity is as the last optical fiber of intelligent grid construction and the electric power engineering of registering one's residence, in construction of intelligent community zone, and will be more and more universal.With regard to present market prediction, at the coming five years, newly-built intelligent residential district to the market demand of this cable more than 35,000,000,000 yuan.And the photoelectricity composite cable uses in building trade, need to solve following two large problems: the first can vertical run; It two is to guarantee the optical communication performance.Wherein the assurance of optical communication performance mainly is: 1, will guarantee optical fiber excess length, 2, guarantee the block-water performance of optical fiber in composite cable, 3, the light unit is not damaged by mechanical force in cable, and 4, solve temperature rise that the oepration at full load of composite cable electric power produces optical communication Effect on Performance to optical fiber.Owing to these reasons, be badly in need of to want the compound low-voltage cable of a kind of dry type, can be in building under the laid condition of vertical run, guarantee that the electrical property transmission and the optical property of composite cable transmitted.
The compound low-voltage cable of photoelectricity transmits simultaneously in order to realize electric power and optical communication, must have the electric power core of transferring electric power and the light unit of transmission optical communication on the structure.Satisfied the transmission cable of these two kinds of different-energies in the past and realized respectively, the cables manufacturing cost that such transmission means not only increases but also increased the laid down cost of cable by power cable and optical cable.And the present compound low-voltage cable of photoelectricity, also there are some new technology occurring, such as Chinese patent ZL200820035580.8 disclosed " optoelectronic composite cable ", its structure is for comprising cable core, be coated on the flame retardant sheath layer of cable core periphery, described cable core comprises loose sleeve pipe, be arranged on the multiple beams of optical fiber in the loose sleeve pipe, be filled in the fine cream of waterproof between loose sleeve pipe and the optical fiber, in fire-retardant inner restrictive coating, also be provided with the copper cash of two diameters between 1 millimeter～1.8 millimeters, this cable is owing to include loose tube fiber, can realize Optical Fiber Transmission, the transmission of electricity copper cash is set in restrictive coating can realize signal of telecommunication transmission.But on structure, the fiber unit of transmission signals is in its pine cover and what adopt between the optical fiber is the water resistance characteristic that fine cream is guaranteed the light unit.Because the characteristic of cable heating when compound low-voltage cable must be considered transferring electric power in the transmission optical property, after the cable heating, will reduce the viscosity of filling fine cream in the light unit pine cover, will cause cable water clock problem of fine cream during vertical run in building like this, directly influence optical fiber the light unit block water and surplus long characteristic causes the reduction of optical communication performance.Chinese patent ZL201020507633.9 disclosed " optoelectronic composite cable ", ZL200820035580.8 disclosed " optoelectronic composite cable " etc. are the similar structures that adopts, and the cable of this spline structure does not all meet the vertical run requirement, can not practical application.
The utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and a kind of simple in structure, dry type photoelectricity composite cable of being suitable for vertical run is provided.
The technical scheme that realizes the utility model purpose is a kind of dry type photoelectricity composite cable, comprises an electric power core or the many cable cores that electric power core stranding constitutes, and described electric power core comprises conductor and is coated on the outer field insulating barrier of conductor; Also comprise wrapped banded light unit, gap at the cable core outer surface; Described banded light unit comprises optical fiber and the two-layer band that blocks water; In the middle of the described two-layer band that blocks water is combined in fibre clip.
As preferably, above-mentioned cable also comprises inner covering; The wrapped outer surface of described inner covering at cable core; The wrapped outer surface in described banded light unit at inner covering.
As further preferred, above-mentioned cable also comprises outer jacket; The wrapped outer surface of described outer jacket in banded light unit.
Particularly, the band that blocks water of described banded light unit adopts the aramid fiber silk of Young's modulus 〉=90Gpa to be woven into band, is filled with water-proofing powder in the band.
Described cable core comprises the electric power core that one or more is stranded.
After having adopted technique scheme, the utlity model has following beneficial effect: (1) photoelectricity composite cable of the present utility model has been abandoned fine cream interstitital texture light unit, and adopting has optical fiber light cellular construction by the band clamping that blocks water, and the gap is wrapped in the cable core outside.The overall optical cellular construction does not use fine cream, therefore photoelectricity composite cable of the present utility model is under the vertical run condition, the temperature rise that can not produce electric power core oepration at full load generation causes fine cream water clock to cause the problem of optical communication performance reduction, has guaranteed practical application of the present utility model.
(2) the utility model adopts the wrapped structure in banded light unit, can also bring following effect: the first, banded light unit can make optical fiber be in the composite cable with certain surplus living forever according to certain lay of lapping, satisfies the surplus long requirement of fiber unit; The second, the wrapped structure in banded light unit, can so that photoelectricity composite cable of the present utility model produce and laid processes in, the light unit does not stress, or if or the stressed extension contraction that produced by temperature of composite cable metal core, the banded light of wrapped formula unit will be similar to the elongation or the contraction of spring performance along the axial generation of composite cable, and whole process can guarantee that equally the light unit is not damaged by mechanical force.Three, adopt the ribbon fiber unit wrapped in the outer surface of cable core, under the situation of cable full load transferring electric power, the cable hull-skin temperature is minimum, with respect to the light unit that places the inner filling position of composite cable cable core, optical fiber is subjected to Temperature Influence littler, guarantees the optical communication transmission performance of composite cable light unit under oepration at full load.
(3) banded light of the present utility model unit is woven into band by the aramid fiber silk, and fills water-proofing powder and make, and braiding aramid fiber silk provides mechanical strength for the light unit, is convenient to the wrapped production of light unit, provides good block-water performance and fill water-proofing powder for the light unit.
(4) it is wrapped outside cable core that the utility model adopts inner covering, the wrapped structure on inner covering in banded light unit, inner covering is not mechanically damaged when guaranteeing wrapped banded light unit for wrapped banded light unit, outside provides the wrapped surface of smooth rounding, has guaranteed the communication performance of light unit.
Description of drawings
Content of the present utility model is easier to be expressly understood in order to make, and according to specific embodiment also in conjunction with the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the wrapped schematic diagram in banded light unit.
Fig. 3 is that the A of Fig. 2 is to schematic diagram.
Label is in the accompanying drawing:
Electric power core 1, conductor 11, insulating barrier 12; Inner covering 2; Banded light unit 3, optical fiber 31, band 32 blocks water; Outer jacket 4.
Embodiment
(embodiment 1)
See Fig. 1, a kind of dry type photoelectricity composite cable of present embodiment comprises cable core, inner covering 2, banded light unit 3 and outer jacket 4.
Cable core is that electric power core 1 constitutes, and what show among Fig. 1 is the situation that an electric power core 1 constitutes cable core, can certainly be to constitute cable core by many stranded electric power cores 1.Electric power core 1 comprises conductor 11 and is coated on conductor 11 outer field insulating barriers 12.Inner covering 2 wrapped outer surfaces at cable core provide the wrapped surface of smooth rounding for wrapped banded light unit, outside.See Fig. 2, the wrapped outer surface at inner covering 2 in 3 gaps, banded light unit makes optical fiber 31 be in the composite cable with certain surplus living forever.See Fig. 3, banded light unit 3 comprises optical fiber 31 and the two-layer band 32 that blocks water, and in the centre, the band 32 that blocks water of banded light unit 3 adopts the aramid fiber silk of Young's modulus 〉=90Gpa to be woven into band to the two-layer band 32 that blocks water, and is filled with water-proofing powder in the band with optical fiber 31 clampings.Outer jacket 4 wrapped outer surfaces in banded light unit 3.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is a specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (5)
1. a dry type photoelectricity composite cable comprises the cable core that an electric power core (1) or many electric power cores (1) stranding constitute, and described electric power core (1) comprises conductor (11) and is coated on the outer field insulating barrier of conductor (11) (12); It is characterized in that: also comprise wrapped banded light unit (3), gap at the cable core outer surface; Described banded light unit (3) comprises optical fiber (31) and the two-layer band that blocks water (32); The described two-layer band that blocks water (32) with optical fiber (31) clamping in the centre.
2. dry type photoelectricity composite cable according to claim 1 is characterized in that: also comprise inner covering (2); The wrapped outer surface of described inner covering (2) at cable core; The wrapped outer surface in described banded light unit (3) in inner covering (2).
3. dry type photoelectricity composite cable according to claim 2 is characterized in that: also comprise outer jacket (4); Described outer jacket (4) is extruded in the outer surface of banded light unit (3).
4. dry type photoelectricity composite cable according to claim 3 is characterized in that: the band that blocks water (32) of described banded light unit (3) adopts the aramid fiber silk of Young's modulus 〉=90Gpa to be woven into band, is filled with water-proofing powder in the band.
5. according to the described dry type photoelectricity of one of claim 1 to 4 composite cable, it is characterized in that: described cable core comprises the composite cable cable core that one or more electric power core (1) is stranded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120107230 CN202076040U (en) | 2011-04-13 | 2011-04-13 | Full-dry type photoelectric compound cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120107230 CN202076040U (en) | 2011-04-13 | 2011-04-13 | Full-dry type photoelectric compound cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202076040U true CN202076040U (en) | 2011-12-14 |
Family
ID=45114132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120107230 Expired - Lifetime CN202076040U (en) | 2011-04-13 | 2011-04-13 | Full-dry type photoelectric compound cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202076040U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102956322A (en) * | 2012-11-28 | 2013-03-06 | 河南省电力通信自动化公司 | Photoelectric compound cable |
-
2011
- 2011-04-13 CN CN 201120107230 patent/CN202076040U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102956322A (en) * | 2012-11-28 | 2013-03-06 | 河南省电力通信自动化公司 | Photoelectric compound cable |
| CN102956322B (en) * | 2012-11-28 | 2016-05-18 | 国家电网公司 | A kind of optoelectronic composite cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111214 |
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| CX01 | Expiry of patent term |