CN202749139U - Low voltage molding optical fiber composite cable - Google Patents
Low voltage molding optical fiber composite cable Download PDFInfo
- Publication number
- CN202749139U CN202749139U CN 201220421925 CN201220421925U CN202749139U CN 202749139 U CN202749139 U CN 202749139U CN 201220421925 CN201220421925 CN 201220421925 CN 201220421925 U CN201220421925 U CN 201220421925U CN 202749139 U CN202749139 U CN 202749139U
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- cable
- optical fiber
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- cable core
- fiber composite
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Abstract
The present utility model discloses a low voltage molding optical fiber composite cable. The cable comprises a cable core, fillings are filled on a gap inside the cable core, an inner lining layer is extruded outside the cable core, an armor layer is wound outside the inner lining layer, a sheath layer is extruded outside the armor layer; and the cable core is formed by concentrically intertwining a plurality of low voltage cable insulation wire cores, optical units and rip cords. The low voltage molding optical fiber composite cable has light quality and good waterproof performance, an electrical power cable wire core is organically combined with an optical fiber, thus electric energy can be conveyed, and the optical fiber communication function can be realized.
Description
Technical field
The utility model belongs to the power cable field, specifically refers to a kind of low pressure molding optical fiber composite cable.
Background technology
At the beginning of 2010, Premier Wen Jiabao proposes to build " Internet of Things ", " intelligent grid " in the government work report, accelerates to advance requirements such as " integration of three networks ".Data that national grid provides shows, the end access problem that " electric power-optical fiber " is registered one's residence and can be solved information superhighway also can satisfy intelligent grid electricity consumption link information, automation, interactive demand.Namely when electric energy is provided, can realize the requirement of the integration of three networks such as telecommunications network, radio network, the Internet, for the user provides more convenient and modern life style." electric power-optical fiber " can realize the Joint construction and sharing of network infrastructure to the family, significantly reduce " integration of three networks " implementation cost, improves the comprehensive operation efficient of network, and obvious advantage is arranged aspect energy-conserving and environment-protective.
Along with the following formula of State Grid Corporation of China's power optical fiber to the family engineering starts, the low pressure molding optical fiber composite cable arises at the historic moment.The low pressure molding optical fiber composite cable is with optical fiber and cable composite manufacturing, has finished fiber entering household in cabling, and the product margin rate is higher than ordinary optical cable.Based on using low pressure molding optical fiber composite cable scheme to compare with traditional lv power cable+optical cable assembled scheme, only increase the material cost less than 10%, can make integrated cost reduce about 40%.
And at present the deficiencies in the prior art part is: 1, prior art can only electric energy transmitting or is realized optical fiber communication, thereby cause the repeatedly construction of many circuits such as electric wire, netting twine, telephone wire, cable television line, greatly wasted cable resource and conduit resource; 2, the lv power cable major part of generally using at present is the circular copper conductors cable, and the weight of power cable is heavier, so power cable needs larger pulling force just can drag cable when the production strand is processed.
The utility model content
The technical problems to be solved in the utility model provides that a kind of quality is light, good waterproof performance, power cable core and optical cable are organically combined, realize that a cable can transmission of electric energy, can realize again the low pressure molding optical fiber composite cable of the function of optical fiber communication.
A kind of low pressure molding optical fiber composite cable described in the utility model comprises cable core, and the gap in cable core is provided with filling, extrudes inner covering outside cable core, twines armour outside inner covering, and armour extrudes restrictive coating outward; Described cable core by some low-voltage cable insulated wire cores, light unit and tear rope with one heart the strand system form.
Described insulated wire cores is made of the moulding conductor insulating barrier outer with being extruded in the moulding conductor.
Described smooth unit be by some optical fiber cable cores and strengthening core twisted synthesizing cable and outside light unit cable core, coat waterstop successively, oversheath forms; Its optical fiber cable core is comprised of the optical fiber loose sleeve pipe outer with being coated on optical fiber.
Waterstop is filled in gap in the described optical fiber cable core.
The beneficial effects of the utility model are:
1, low pressure molding optical fiber composite cable described in the utility model, the external diameter of moulding conductor is less than round cable diameter, saves material greatly, has saved the resources such as a large amount of pipelines, metal, plastics.
2, the utility model adopts optical cable and the compound strand of moulding core technique processed, and it is easily broken to have solved optical fiber, and intensity is low, and production process is an impaired difficult problem easily.
3, insulation of the present utility model, sheath adopt the raw material of relative environmental protection, and conductor adopts the moulding conductor, and the product external diameter of producing is less, and weight is drawn light in installation, more environmental protection, safer, and dependability is higher.
4, the utility model has been realized only needing once construction, the problem that passage, disposable solution cable are registered one's residence, and can replace the in the past repeatedly construction of many circuits such as electric wire, netting twine, telephone wire, cable television line, greatly saves cable resource and conduit resource.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is perspective view of the present utility model.
Embodiment:
As shown in Figure 1, a kind of low pressure molding optical fiber composite cable described in the utility model comprises cable core, and the gap in cable core is provided with fills 8, extrudes inner covering 3 outside cable core, at inner covering 3 outer winding armours 4, and the armour 4 outer restrictive coatings 5 that extrude; Described cable core by some low-voltage cable insulated wire cores, light unit 6 and tear rope 7 with one heart the strand system form.
Insulated wire cores described above is made of moulding conductor 1 and the insulating barrier 2 that is extruded in outside the moulding conductor 1; Described smooth unit 6 be by some optical fiber cable cores and loose sleeve pipe 6-3 twisted synthesizing cable and outside light unit 6 cable cores, coat successively waterstop 6-2, oversheath 6-1 forms; Its optical fiber cable core is comprised of the optical fiber 6-6 loose sleeve pipe 6-4 outer with being coated on optical fiber 6-6.Waterstop 6-5 is filled in gap in the described optical fiber cable core.
As shown in Figure 2, described cable core thoroughly does away with edge core and light unit 6 stranded forming by three.
Technological effect of the present utility model is:
1, the design of structure:
Because the external diameter of optical fiber cable is less, and the external diameter of power cable is all larger, suitable structure will be studied and design to the utility model, and optical fiber cable and lv power cable are merged, and consider whether whether composite construction is stable, can injure optical fiber.The design will adopt computer modeling technique; set up model by the external diameter of optical fiber cable and the external diameter of power cable; designing and calculating goes out stable composite construction; and around optical fiber cable, design suitable filling and protect reinforcement material; prevent that optical fiber composite low-voltage cable is expressed to optical fiber cable when bending, thereby cause optical fiber impaired.
2, to the more protection technology of light unit 6:
Because the optical fiber Material Strength is lower, easily broken, be easy to impairedly, and the optical fiber loose tube structure is little, the external diameter of light unit 6 is also little behind the extrusion molding, can not bear larger pulling force and flexibility during laminating production, so aobvious particularly important of the more protection of light unit 6.The 6 sheath extrusion moldings unit 6 external reinforcing elements of sharing the same light in light unit are finished synchronously; mainly be to solve the optical fiber excess length problem; control the contraction of optical fiber when extrusion molding well, and outside loose sleeve pipe, extrude the high strength sheath, not impaired when the laminating production with the performance of protection optical fiber.
3, light unit 6 and low pressure molding cable cabling strand technique processed:
The manufacturing critical process of composite rope is the compound stranding of insulated wire cores and light unit 6, because the core of general optoelectronic composite cable is 3+1 core, 3+2 core, 4 cores or 4+1 core, is adding glazing unit 6, must coil twisted synthesizing cable on the cablers six.Because the lv power cable major part of generally using at present is the circular copper conductors cable; the weight of power cable is heavier; therefore power cable is when the production strand is processed; need larger pulling force just can drag cable production; and optical fiber cable also can only bear lateral pressure or the pulling force of 100kg behind heavy seal coat.Adopt the back twist mode during cable cabling, it is constant and the smaller the better that the laying tension of light unit 6 should keep, and emphasis is to control 6 positions, light unit, the laying tension of light unit 6 controlled well well, avoids that light unit 6 is squeezed in the stranding process, pressurized, tension.In order to reduce the rear impact on light unit 6 that heats up when cable core moves, as far as possible with 6 close band places, light unit, the distance of off-line core is more far away better, should fully select suitable packing material the gap around the light unit 6 to be tamped to guarantee the rounding of the fixing and cable core of 6 positions, light unit.
The utility model provides a kind of form and implementation method of low pressure molding optical fiber composite cable; the above only is preferred implementation method of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvement, these improvement also should be considered as protection range of the present utility model.
Claims (4)
1. a low pressure molding optical fiber composite cable comprises cable core, and the gap in cable core is provided with filling (8), extrudes inner covering (3) outside cable core, twines armour (4) outside inner covering (3), the outer restrictive coating (5) that extrudes of armour (4); It is characterized in that: described cable core by some low-voltage cable insulated wire cores, light unit (6) and tear rope (7) with one heart the strand system form.
2. low pressure molding optical fiber composite cable according to claim 1 is characterized in that: described insulated wire cores is by moulding conductor (1) and be extruded in the outer insulating barrier (2) of moulding conductor (1) and consist of.
3. low pressure molding optical fiber composite cable according to claim 1 is characterized in that: described smooth unit (6) be by some optical fiber cable cores and strengthening core (6-3) twisted synthesizing cable and outside light unit (6) cable core, coat successively waterstop (6-2), oversheath (6-1) forms; Its optical fiber cable core is by optical fiber (6-6) and be coated on the outer loose sleeve pipe (6-4) of optical fiber (6-6) and form.
4. low pressure molding optical fiber composite cable according to claim 3 is characterized in that: the gap filling waterstop (6-5) in the described optical fiber cable core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220421925 CN202749139U (en) | 2012-08-24 | 2012-08-24 | Low voltage molding optical fiber composite cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220421925 CN202749139U (en) | 2012-08-24 | 2012-08-24 | Low voltage molding optical fiber composite cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202749139U true CN202749139U (en) | 2013-02-20 |
Family
ID=47708502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220421925 Expired - Fee Related CN202749139U (en) | 2012-08-24 | 2012-08-24 | Low voltage molding optical fiber composite cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202749139U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102800405A (en) * | 2012-08-24 | 2012-11-28 | 江苏南洋电缆有限公司 | Low-voltage formed optical fiber composite cable |
-
2012
- 2012-08-24 CN CN 201220421925 patent/CN202749139U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102800405A (en) * | 2012-08-24 | 2012-11-28 | 江苏南洋电缆有限公司 | Low-voltage formed optical fiber composite cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130220 Termination date: 20140824 |
|
| EXPY | Termination of patent right or utility model |