CN205121026U - Light -duty armor protection against rodents optical cable that zooms out - Google Patents
Light -duty armor protection against rodents optical cable that zooms out Download PDFInfo
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- CN205121026U CN205121026U CN201520867637.0U CN201520867637U CN205121026U CN 205121026 U CN205121026 U CN 205121026U CN 201520867637 U CN201520867637 U CN 201520867637U CN 205121026 U CN205121026 U CN 205121026U
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Abstract
The utility model relates to a light -duty armor protection against rodents optical cable that zooms out, the optical cable is included outside to by interior in proper order: tight coated fibers, aramid fiber enhancement layer, center tube restrictive coating, stainless steel armor, non - metal reinforcement and outer jacket, tight coated fibers includes that optic fibre and cladding are in the outer optic fibre hard -pressed bale layer of optic fibre, optic fibre hard -pressed bale layer is for reducing the polybutylene telephthalate hard -pressed bale layer of optic fibre internal stress, the stainless steel armor winds the stainless steel spiral armor that forms for the stainless steel flexible hose package, clearance between the stainless steel armor that the stainless steel flexible hose is constituteed is unanimous. This optical cable is satisfying the protection against rodents performance simultaneously, has still that superior resistance to compression is flat, ultraviolet resistance, torsion bending, a great deal of mechanical environmental performance such as fire -retardant, and this optical cable is applicable to the mouse calamity and takes place frequently regional communication base and introduce.
Description
Technical field
The utility model belongs to fiber optic cable manufacture field, is specifically related to a kind of LA light armor protection against rodents dragging optical cable.
Background technology
The birth of optical fiber communication and development are the once important revolutions in telecommunication history, and optical fiber communication changes traditional communication mode, make not make the communication of High rate and large capacity become possibility by various magnetic interference.Along with the development of optical fiber cable and mechanics of communication, optical fiber communication technology there has also been significantly perfect, the advantage that optical fiber cable possesses makes it constantly be widened in the usable range of communication field, current optical fiber cable becomes modern communications Primary communication mode with very fast speed of development and range of application has entered wire communication widely every field, more and more darker on social life impact.
Muroid existence is comparatively applicable in the luxuriant areas of vegetation such as the many fields of China, mountain areas, because muroid front tooth is very flourishing and can constantly growth, its by the object that bites to keep its tooth sharp, and the distinctive smell in cable jacket contained by plastics easily attracts muroid to bite, therefore communications optical cable circuit often suffers damaged by rats in some occasions and affects communication quality, even can cause the terminal of trunk network and cause heavy losses to society time serious.Also be the place of mouse Comparison of Gardening Activities wildness between ceiling upper space in addition in some buildings, urban district, stair and in wiring well, therefore anti-rat ensures fiber optic cable communications quality and the important indicator in serviceable life.Optical cable protection against rodents refers under the prerequisite not endangering optical cable transmission characteristic and long-time stability, protects optical cable to be no more than the degree of regulation because of infringement that muroid causes by various organizational form.With the rodent-resistant cable that glass fiber yarn and stainless steel armour pipe combine, for rodent-resistant cable opens up the new world.
Armouring rodent-resistant cable traditional at present, be with in the remote radio optical cable Wai Zong Baogang of routine, steel band is external extrudes layer of polyethylene protective cover material, and the external diameter of traditional armouring rodent-resistant cable is large, and bending property is poor, takes up room large, makes troubles to follow-up use.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of LA light armor protection against rodents dragging optical cable, this optical cable is meeting rodent-proof characteristic simultaneously, also there is superior anti-collapse, uvioresistant, flexion torsion, flame-retardant and many other mechanical environment performance, this optical cable be applicable to mouse calamity take place frequently regional communication base station introduce.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of LA light armor protection against rodents dragging optical cable, described optical cable comprises from inside to outside successively: tightly packaged fiber, aramid fiber enhancement Layer, pipe core restrictive coating, stainless steel armor, non-metal reinforcement member and outer jacket, described tightly packaged fiber comprises optical fiber and is coated on the optical fiber upjacket layer of described fiber outer layer, and described optical fiber upjacket layer is the polybutylene terephthalate hard-pressed bale layer that can reduce described optical fiber internal stress; Described stainless steel armor is the stainless steel spiral armor that stainless steel flexible hose holds, and the gap between the stainless steel armor of described stainless steel flexible hose composition is consistent.
In a preferred embodiment of the present invention, comprise further, the width of described stainless steel flexible hose is 1.25mm, and described stainless steel soft ligament is 0.1-0.2mm.
In a preferred embodiment of the present invention, comprise further, aramid fiber enhancement Layer described in tightly packaged fiber external sheath described in two 0.6mm, described aramid fiber enhancement Layer outer cladding one deck low smoke and zero halogen sheath forms described pipe core restrictive coating, the outer armouring stainless steel flexible hose of described pipe core restrictive coating forms described stainless steel armor, non-metal reinforcement member described in the coated one deck of described stainless steel armor, described non-metal reinforcement member external sheath one deck low smoke and zero halogen outer jacket.
In a preferred embodiment of the present invention, comprise further, described non-metal reinforcement member comprises aramid fiber yarn and glass fiber yarn, and it is outer that described aramid fiber yarn is coated on described stainless steel armor, and described glass fiber yarn is coated on described aramid fiber external layer of yarn.
In a preferred embodiment of the present invention, comprise further, described optical cable allows flat pressure to be 3000N/10cm to the maximum, allows tensile force to be 450N to the maximum.
The beneficial effects of the utility model are:
Optical cable in one, the utility model, meeting rodent-proof characteristic simultaneously, also has superior anti-collapse, uvioresistant, flexion torsion, flame-retardant and many other mechanical environment performance.
Two, cable outer diameter of the present utility model little, take up room little, and its structure is simple, lightweight, and easy construction is quick, and greatly reduce construction period and construction cost, the development for optical communication provides a kind of brand-new solution.
Three, optical cable of the present utility model is low smoke and zero halogen jacketed cable, and it has low cigarette, Halogen, fire-retardant, uvioresistant, many performances such as wear-resisting, and optical cable is applicable to indoor introducing and uses.
Four, optical cable of the present utility model adopts pipe core light armoring structure, meets mechanical property and the environmental performance of optical cable use.
Five, the heatproof of the utility model optical cable requires to reach-40 DEG C-+70 DEG C, allows flat pressure to reach 3000N/10cm, allows tensile force to reach 450N, by IEC60332-1 single vertical combustion requirements.
Six, this utility model optical cable uses the sub-cable of standard φ 2.0 remote radio head, when Base Band Unit (BBU) connects therebetween to wireless radio remote unit (RRU), user is without the need to purchasing non-standard fitting in addition.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment 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 embodiments more of the present utility model, 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.
The cross section structure schematic diagram of Fig. 1 optical cable of the present utility model.
Fig. 2 manufacturing approach craft process flow diagram of the present utility model.
Wherein, 1-aramid fiber enhancement Layer, 2-optical fiber, 3-optical fiber upjacket layer, 4-pipe core restrictive coating, 5-stainless steel armor, 6-non-metal reinforcement member, 7-outer jacket.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1
A kind of LA light armor rodent-resistant cable is disclosed in embodiment 1, this optical cable is according to service condition, need that there is following characteristic: excellent rodent-proof characteristic, superior anti-collapse, uvioresistant, flexion torsion, flame-retardant and many other mechanical environment performance, this optical cable be applicable to mouse calamity take place frequently regional communication base station introduce.
When designing the cable configuration in the present embodiment, what time following main consideration is:
1, in optical cable, the selection of tight tube fiber material determines the performance of optical cable in environment for use, according to the environment for use of optical cable, hard-pressed bale material must meet superior environmental performance, adopt polybutylene terephthalate (PBT) material to be extruded onto surface at optical fiber selecting in process, this material belongs in inside cable tightly packaged fiber field and uses first.
2, cable configuration adopts central tubular structure, also has two tightly packaged fibers, extrude one deck low smoke and zero halogen sheath material again, ensure that the optical property in cabling process is unaffected after tightly packaged fiber adds aramid fiber yarn outward in pipe core.
3, the stainless steel armor outside pipe core is outward spiral stainless steel armor, in armouring process, consider the flexibility of optical cable and be prefabricated into end device manufacturing process, armor stainless steel flexible hose width design 1.25mm, between armour ligament design 0.1-0.2mm, ensure rodent-proof characteristic and the mechanical property of optical cable.
4, pipe core armouring external sheath non-metal reinforcement member ensures that optical cable can bear mechanical property and the environmental performance of high request, consider optical cable environment for use, in non-metal reinforcement member selection course, adopt the mode that aramid fiber yarn and glass fiber yarn combine, the softness that can meet optical cable can play mouse bite preventing performance again.
5, for ensureing that optical cable has low cigarette, Halogen, fire-retardant, uvioresistant, many performances such as wear-resisting, external protective material adopts low smoke and zero halogen sheath.
As shown in fig. 1, above-mentioned optical cable comprises the structure of the optical cable in embodiment 2 from inside to outside successively: tightly packaged fiber, aramid fiber enhancement Layer 1, pipe core restrictive coating 4, stainless steel armor 5, non-metal reinforcement member 6 and outer jacket 7.Above-mentioned optical fiber upjacket layer is the polybutylene terephthalate hard-pressed bale layer that can reduce described optical fiber internal stress; The stainless steel spiral armor that even numbers stainless steel armor 5 holds for stainless steel flexible hose, the gap between the stainless steel armor 5 of above-mentioned stainless steel flexible hose composition is consistent; The width of above-mentioned stainless steel flexible hose is 1.25mm, and above-mentioned stainless steel soft ligament is 0.1-0.2mm.
The tightly packaged fiber of coated two 0.6mm of above-mentioned aramid fiber enhancement Layer 1, above-mentioned pipe core restrictive coating 4 is for extruding the low smoke and zero halogen sheath of above-mentioned aramid fiber enhancement Layer 1 outside.
Above-mentioned non-metal reinforcement member 6 comprises aramid fiber yarn and glass fiber yarn, and it is outer that above-mentioned aramid fiber yarn is coated on above-mentioned stainless steel armor 5, and above-mentioned glass fiber yarn is coated on above-mentioned aramid fiber external layer of yarn.
Cable configuration in embodiment 1 is: make pipe core by extruding one deck low smoke and zero halogen sheath after two 0.6mm tightly packaged fiber outer cladding aramid fiber yarns, pipe core skin carries out stainless steel spiral armouring, extrudes one deck low smoke and zero halogen sheath again after the nonmetal aramid fiber yarn of stainless steel armor outer cladding one deck and glass fiber yarn enhancement Layer.
LA light armor protection against rodents dragging optical cable in embodiment 1, the mode that protection against rodents layer adopts glass fiber yarn and stainless steel armouring to combine, on the basis of the mechanical property and environmental performance that do not affect optical cable, adds many performances such as the mouse bite preventing of optical cable.Optical fiber upjacket layer adopts polybutylene terephthalate (PBT) tightly to overlap, and the tight cover of polybutylene terephthalate (PBT) material is little by ectocine power, and decay has better stability, can bear wider high and low temperature environment; The mode that non-metal reinforcement member adopts aramid fiber yarn and glass fiber yarn to combine, can have good mouse bite preventing performance; Adopt LSZH fire proofing according to optical cable environment for use, reach fire-retardant and the performance requirement of environmental protection.
LA light armor protection against rodents dragging optical cable in embodiment 1, structure is simple, lightweight, and easy construction is quick, greatly reduces construction period and construction cost; Adopt glass fiber yarn and the design of stainless steel spiral sheathed structure, glass fiber yarn has good wear-corrosion resistance, heat-insulating property and insulating property; Which ensure optical cable still normally to work when too high or too low for temperature, adapt to more rugged surroundings.The characteristic of insulation then makes optical cable avoid being struck by lightning or other electromagnetic interference (EMI), glass fiber yarn has obvious mouse bite preventing function, because current existing optical cable Ratproof method exists all drawbacks, taking glass as raw material forms glass fibre arise at the historic moment for the method for optical cable protection against rodents through high temperature melting, wire drawing, doff, the technique such as to weave cotton cloth, the diameter of glass fiber single filament is from tens microns to twenties microns, be equivalent to 1/20 ~ 1/5 of a hairline, every bundle fiber all by hundreds of even up to ten thousand monofilament form.Because glass fibre is superfine and crisp, bite in the process of stinging in muroid, the glass dregs in comminution will injure the oral cavity of muroid, make it to produce optical cable to fear sense, reach the effect of protection against rodents.
Adopt armoring machine that stainless steel flexible hose is coated on pipe core on the surface with certain rule, become a protective seam (or armor) closely, better protection against rodents effect can be played; Through test, the heatproof of the utility model optical cable requires to reach-40 DEG C-+70 DEG C, and allow of short duration pulling force to reach 450N, of short duration flat pressure reaches 3000N/10cm, by IEC60332-1 single vertical combustion requirements; Development for Access Network provides a kind of brand-new solution.
Embodiment 2
As shown in Figure 2, embodiment 2 discloses a kind of manufacture method of the LA light armor protection against rodents dragging optical cable prepared in embodiment 1, and the method comprises following operation:
Optical fiber is put in storage: the optical fiber of screening warehouse-in, selects transmission performance and the qualified optical fiber of tension force.
Tight cover operation: extrude optical fiber hard-pressed bale material at optical fiber surface and make tightly packaged fiber.
Pipe core operation: at above-mentioned tightly packaged fiber outer cladding aramid fiber yarn, then extrude one deck pipe core material outside aramid fiber yarn, make central tubular structure.
Armouring operation: at pipe core outer cladding stainless steel flexible hose composition spiral stainless steel armor, stainless steel armor improves rodent-proof characteristic and the mechanical property of optical cable, at above-mentioned stainless steel armor outer cladding non-metal reinforcement member, above-mentioned non-metal reinforcement member improves the softness of optical cable.
Outer nurse's sequence: extrude one deck low smoke and zero halogen material as oversheath at the skin of above-mentioned non-metal reinforcement member.
Warehouse-out inspection: optical cable is done full Performance Detection, packs outbound after the assay was approved.
In the process of implementing process, the performance of control on optical cable of technique has important impact:
One, tightly packaged fiber optical property controls, and tightly packaged fiber optical property is the factor determining optical cable performance most critical, and the control of thus tightly overlapping optical fiber property in operation is very crucial.Through overtesting, find that extrusion process that different polybutylene terephthalate (PBT) material fit is identical is to the change highly significant of optical property.Production technology is adjusted: comprise tightly packaged fiber retractable cable tension force, regulate the distance of the water temperature difference between different tank, tank and use the modes such as the suitable PBT material of performance instead, to reduce polybutylene terephthalate (PBT) material to the change of tightly packaged fiber internal stress.PBT is widely used cable sleeve material in this area, and it has good mechanical property, structure and stable chemical performance, creep-resistant property.The length growth rate of the PBT material adopted in the present embodiment is maximum, and tensile strength is minimum, and hot relaxation shrinkage is minimum, the more continuous exploration of cooperated technique for producing improves, and just can be good at the problem of tightly packaged fiber optical property.
Two, armor softness controls, stainless steel armor is the softness of major control armor and the mechanical property of optical cable in process of production, according to the environment for use of optical cable, the thickness and the gap that ensure armouring is needed in armouring operation, special design is carried out to the band process mould processed of armored equipment, ensure the homogeneity of armour pipe (stainless steel flexible hose) width and thickness, in armouring process, with the rotating speed of traction, the consistance ensureing armor gap is mated to the rotating speed of stainless steel flexible hose simultaneously.In armouring operation, the width of stainless steel flexible hose is 1.25mm, and stainless steel soft ligament is 0.1-0.2mm.
Three, the stripping performance of sheath technique optical cable, in cable jacket production run, the stripping performance of optical cable need be ensured, due to the stainless steel armor containing retractility in this optical cable, in production run, technique is not controlled well and can be caused optical cable in use stainless steel armor is flexible in restrictive coating, show that the elasticity of optical cable plays a part, to pass, to be guaranteed the compactness of optical cable in sheath operation by the design of mould and controlling of production process to stainless steel armor through correlation test.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model 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 (5)
1. a LA light armor protection against rodents dragging optical cable, described optical cable comprises from inside to outside successively: tightly packaged fiber, aramid fiber enhancement Layer, pipe core restrictive coating, stainless steel armor, non-metal reinforcement member and outer jacket, it is characterized in that, described tightly packaged fiber comprises optical fiber and is coated on the optical fiber upjacket layer of described fiber outer layer, and described optical fiber upjacket layer is the polybutylene terephthalate hard-pressed bale layer that can reduce described optical fiber internal stress; Described stainless steel armor is the stainless steel spiral armor that stainless steel flexible hose holds, and the gap between the stainless steel armor of described stainless steel flexible hose composition is consistent.
2. LA light armor protection against rodents dragging optical cable according to claim 1, is characterized in that, the width of described stainless steel flexible hose is 1.25mm, and described stainless steel soft ligament is 0.1-0.2mm.
3. LA light armor protection against rodents dragging optical cable according to claim 1, it is characterized in that, aramid fiber enhancement Layer described in tightly packaged fiber external sheath described in two 0.6mm, described aramid fiber enhancement Layer outer cladding one deck low smoke and zero halogen sheath forms described pipe core restrictive coating, the outer armouring stainless steel flexible hose of described pipe core restrictive coating forms described stainless steel armor, non-metal reinforcement member described in the coated one deck of described stainless steel armor, described non-metal reinforcement member external sheath one deck low smoke and zero halogen outer jacket.
4. LA light armor protection against rodents dragging optical cable according to claim 3, it is characterized in that, described non-metal reinforcement member comprises aramid fiber yarn and glass fiber yarn, and it is outer that described aramid fiber yarn is coated on described stainless steel armor, and described glass fiber yarn is coated on described aramid fiber external layer of yarn.
5. according to the LA light armor protection against rodents dragging optical cable described in any one in claim 1-4, it is characterized in that, described optical cable allows flat pressure to be 3000N/10cm to the maximum, allows tensile force to be 450N to the maximum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201520867637.0U CN205121026U (en) | 2015-11-03 | 2015-11-03 | Light -duty armor protection against rodents optical cable that zooms out |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520867637.0U CN205121026U (en) | 2015-11-03 | 2015-11-03 | Light -duty armor protection against rodents optical cable that zooms out |
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| CN205121026U true CN205121026U (en) | 2016-03-30 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105204132A (en) * | 2015-11-03 | 2015-12-30 | 江苏亨通光电股份有限公司 | Light armored mouse-roof remote cable manufacturing method and cable |
| CN107367797A (en) * | 2017-08-29 | 2017-11-21 | 广东亨通光电科技有限公司 | A kind of multicore zooms out component |
| CN107367807A (en) * | 2017-08-02 | 2017-11-21 | 东捷光电科技(苏州)有限公司 | A kind of aviation fire resistant special type optical cable |
| CN109471232A (en) * | 2019-01-10 | 2019-03-15 | 四川六九二科技有限公司 | A kind of spiral armored cable |
| CN115101248A (en) * | 2022-06-14 | 2022-09-23 | 上海蓝昊电气江苏有限公司 | Functional unit wire core, manufacturing method thereof and intelligent composite coal mining machine cable |
-
2015
- 2015-11-03 CN CN201520867637.0U patent/CN205121026U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105204132A (en) * | 2015-11-03 | 2015-12-30 | 江苏亨通光电股份有限公司 | Light armored mouse-roof remote cable manufacturing method and cable |
| CN107367807A (en) * | 2017-08-02 | 2017-11-21 | 东捷光电科技(苏州)有限公司 | A kind of aviation fire resistant special type optical cable |
| CN107367797A (en) * | 2017-08-29 | 2017-11-21 | 广东亨通光电科技有限公司 | A kind of multicore zooms out component |
| CN109471232A (en) * | 2019-01-10 | 2019-03-15 | 四川六九二科技有限公司 | A kind of spiral armored cable |
| CN115101248A (en) * | 2022-06-14 | 2022-09-23 | 上海蓝昊电气江苏有限公司 | Functional unit wire core, manufacturing method thereof and intelligent composite coal mining machine cable |
| CN115101248B (en) * | 2022-06-14 | 2024-04-16 | 上海蓝昊电气江苏有限公司 | Functional unit wire core, manufacturing method thereof and intelligent composite coal mining machine cable |
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