Utility model content
The purpose of this utility model is to provide the prefabricated end of a kind of tube-through type circular leading in cable device, this device comprises the circular leading in cable of the prefabricated end of tube-through type, auxiliary accessories, and the circular leading in cable of the prefabricated end of wherein said tube-through type comprises: the circular leading in cable of tube-through type, prefabricated end, compression bonding apparatus.
Further, at the prefabricated polytype connectors in one or both ends (7) of the circular leading in cable of described tube-through type, form prefabricated end, thereby form the circular leading in cable of the prefabricated end of tube-through type.
Further, the circular leading in cable of described tube-through type comprises: tight tube fiber unit (1), enhancing thread layers (2) and outer covering layer (3); Described tight tube fiber unit (1) skin is to strengthen thread layers (2); This enhancing thread layers (2) skin is outer covering layer (3).
Further, the circular leading in cable of described tube-through type also comprises:
Dowel (4) and messenger wire (5); Wherein the outer wall of messenger wire is connected with the dowel for outer wall (4) of outer covering layer (3); Described tight tube fiber unit (1) is comprised successively by center to outer wall: fibre core (101), covering (102), coat (103), sheath (104).
Further, described enhancing thread layers (2) selects multiply to strengthen yarn, and strengthening yarn need infiltrate through acrylate; Described enhancing yarn selects high-modulus to strengthen thread layers, high modulus fibre or tygon high strength fibre; The material of described outer covering layer (3) is acrylate, and acrylate forms through photocuring.
Further, described tight tube fiber unit (1) can select single mode, the multimode of any specification
,polarization maintaining optical fibre.
The device that the utility model provides, its effect comprises: the circular leading in cable of tube-through type is mainly used in the acronym that FTTH(FTTH is English Fiber To The Home, Chinese translation be that Fiber to the home) introducing layer, from fiber-dividing box, light splitting fiber-dividing box to user, fiber entering household, indoor corner; This optical cable has good machinery and environmental performance, and bending resistance can be good, high return loss, and low insertion loss, and stripping is convenient, easily lays, and is convenient to poling in building and lays; Because adopt to strengthen thread layers reinforcement, so more have superiority aspect penetrating at pipeline; This optical cable bending radius is little, and tension, anti-interference, lateral pressure resistant performance are good; This optical cable baring is convenient, easily lays; This optic cable diameter is little, lightweight, for indoor better appearance; This optical cable can mate with various field connector, and on-site construction time is short.This device can so that circular prefabricated end under the requirement of various pipelines, meet the requirements such as technical indicator, quality, conscientiously improved design and construction quality efficiency, guaranteed the reliable and stable use of network, transmission performance indicators, all meets China Telecom, China Mobile, San great operator of CHINAUNICOM is prefabricated into the technical manual of the circular leading in cable of end type for tube-through type, be satisfied with reliability and the dirigibility of wisdom city fiber optic network.
Accompanying drawing explanation
Fig. 1 is tight tube fiber cellular construction schematic diagram of the present utility model.
Fig. 2 is the circular leading in cable structural representation of tube-through type of the present utility model.
Fig. 3 is the circular leading in cable of tube-through type of the present utility model (containing messenger wire) structural representation.
Fig. 4 is the structural representation of the embodiment one by the prefabricated end of the circular leading in cable of this tube-through type of the present utility model.
Fig. 5 is the structural representation of the compression bonding apparatus embodiment one of the circular leading in cable of the prefabricated end of tube-through type of the present utility model.
Fig. 6 A is the structural representation of the compression bonding apparatus embodiment two of the circular leading in cable of the prefabricated end of tube-through type of the present utility model.
Fig. 6 B is the structural representation of the compression bonding apparatus embodiment two of the circular leading in cable of the prefabricated end of tube-through type of the present utility model.
Fig. 6 C is that the compression bonding apparatus embodiment two of the circular leading in cable of the prefabricated end of tube-through type of the present utility model is used constitutional diagram.
Fig. 6 D is that the compression bonding apparatus embodiment two of the circular leading in cable of the prefabricated end of tube-through type of the present utility model is used constitutional diagram.
Fig. 7 A is the structural representation of the compression bonding apparatus embodiment three of the circular leading in cable of the prefabricated end of tube-through type of the present utility model.
Fig. 7 B is the structural representation of the compression bonding apparatus embodiment three of the circular leading in cable of the prefabricated end of tube-through type of the present utility model.
Fig. 7 C is that the compression bonding apparatus embodiment three of the circular leading in cable of the prefabricated end of tube-through type of the present utility model is used constitutional diagram.
Fig. 7 D is that the compression bonding apparatus embodiment three of the circular leading in cable of the prefabricated end of tube-through type of the present utility model is used constitutional diagram.
Fig. 8 is cable buckle structure schematic diagram of the present utility model.
Fig. 9 is prefabricated end protective cover structural representation of the present utility model.
Figure 10 is mesh grid tubular construction schematic diagram of the present utility model.
Figure 11 is the schematic diagram of the embodiment one of the circular leading in cable device of the prefabricated end of tube-through type after the auxiliary accessories in the circular leading in cable of tube-through type of the present utility model, prefabricated end, compression bonding apparatus and engineering application combines.
Wherein, Reference numeral implication is:
1---tight tube fiber; 101---fibre core; 102---covering; 103---coat; 104---sheath; 2---strengthen thread layers; 3---outer covering layer; 4---dowel; 5---messenger wire; 6---the circular leading in cable of tube-through type; 7---prefabricated end; 8---rivet; 9---riveting web member; 10---strengthen thread layers seatings; 11---cable buckle; 12---prefabricated end protective cover; 13---braiding webmaster.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
It shown in Fig. 1, is tight tube fiber cellular construction schematic diagram of the present utility model.According to Fig. 1, tight tube fiber of the present utility model unit, comprising: fibre core 101, covering 102, coat 103, sheath 104; Wherein, the most crucial of this tight tube fiber unit is fibre core 101; the skin of fibre core 101 is coverings 102; the skin of covering 102 is coats 103; the skin of coat 103 is sheaths 104; the highest function of the utility model and performance transmission all produce and act on 101 layers of fibre cores, and covering 102, coat 103, sheath 104 are all to adopt technology of the package to carry out protective effect to it.
It shown in Fig. 2, is the circular leading in cable structural representation of tube-through type of the present utility model.According to Fig. 2, the circular leading in cable of tube-through type of the present utility model, comprising: tight tube fiber unit 1, enhancing thread layers 2 and outer covering layer 3; Wherein circular the most crucial of leading in cable of this tube-through type is tight tube fiber 1, and the skin of tight tube fiber 1 is to strengthen thread layers 2, and the skin that strengthens thread layers 2 is outer covering layer 3.
It shown in Fig. 3, is the circular leading in cable of tube-through type of the present utility model (containing messenger wire) structural representation.According to Fig. 3, the circular leading in cable of tube-through type of the present utility model (containing messenger wire), comprising: tight tube fiber 1, enhancing thread layers 2, outer covering layer 3, messenger wire 5 and dowel 4; Wherein the skin of tight tube fiber is to strengthen thread layers 2, and the skin that strengthens thread layers 2 is outer covering layer 3; Between the outer wall of the outer wall of this outer covering layer 3 and messenger wire 5, by dowel 4, be connected, Main Function of the present utility model is it to carry out supporting function, thereby prevents from producing sagging, micro-performance of the present utility model that affects such as curved because of long-time suspension.
Fig. 4 is the structural representation that is prefabricated into end embodiment one by the circular leading in cable of above-mentioned tube-through type of the present utility model, wherein in the one or both ends of the circular leading in cable of tube-through type, adds prefabricated end, thereby reaches the conversion of optical communication interface.
Fig. 5 is the schematic diagram of the compression bonding apparatus embodiment mono-of the circular leading in cable of tube-through type of the present utility model, this device is coated on the periphery of tight tube fiber unit 1 by rivet 8, strengthen the surrounding that thread layers 2 was close to and was uniformly distributed in rivet 8, and rivet 8 is positioned at outer covering layer 3 ports, play the fixedly effect of tight tube fiber unit 1, enhancing thread layers 2 and oversheath 3 positions.
Fig. 6 A, 6B, 6C, 6D are the schematic diagram of the compression bonding apparatus embodiment two of the circular leading in cable of tube-through type of the present utility model, and this device forms by strengthening thread layers seatings 10 and riveting web member 9; Wherein strengthening thread layers seatings 10 is positioned on riveting web member 9 and only covers riveting web member 9 half-turns.During use, by strengthening thread layers 2, concentrate in the enhancing thread layers seatings 10 of a side that is positioned at riveting web member 9, assemble crimping, by the repeatedly effect of compression bonding apparatus part, fundamental purpose is prefabricated end to play reinforcement effect, to guarantee finished product tensile property requirement in use.
Fig. 7 A, 7B, 7C, 7D are the schematic diagram of the compression bonding apparatus embodiment two of the circular leading in cable of tube-through type of the present utility model, and this device forms by strengthening thread layers seatings 10 and riveting web member 9; Wherein strengthening thread layers seatings 10 is positioned on riveting web member 9 and only covers riveting web member 9 half-turns.During use, by strengthening thread layers 2, be uniformly distributed in the enhancing thread layers seatings 10 of surrounding of riveting web member 9, assemble crimping, by the repeatedly effect of compression bonding apparatus part, fundamental purpose is prefabricated end to play reinforcement effect, to guarantee finished product tensile property requirement in use.
Fig. 8 is cable buckle structure schematic diagram of the present utility model, this cable buckle 11 is for being clamped in the outer covering layer 3 of the circular leading in cable of tube-through type, in the circular leading in cable jumping fiber of traction tube-through type process, play stress point effect, Material texture does not explicitly call for, there is certain hardness, can reuse.
Fig. 9 is prefabricated end protective cover structural representation of the present utility model, and this prefabricated end protective cover 12 is for being enclosed within prefabricated terminal adapter, and soft materials is best; in poling process; prefabricated end is played a protective role, and Material texture does not explicitly call for, and can reuse.
Figure 10 is mesh grid tubular construction schematic diagram of the present utility model, and this braiding webmaster wraps up and draws prefabricated end, and dimensional requirement is adjustable in Φ 3mm-Φ 15mm.
Figure 11 is that the embodiment one after the auxiliary accessories in the circular leading in cable of a kind of tube-through type of the present utility model, the circular leading in cable of the prefabricated end of tube-through type, cable crimp device and engineering application combines is used constitutional diagram, wherein prefabricated end is adopted cable crimp device in advance on the circular leading in cable of tube-through type, and the auxiliary accessories of engineering application is set on the circular leading in cable of the prefabricated tube-through type completing.
The tube-through type of prefabricated end SC/APC-SC/UPC of take is circular, and to introduce wire jumper be example.
Enhancing thread layers seatings and riveting web member are through respectively on the circular leading in cable of 20 tube-through types in a certain order, are divided into A group and B group, every group of circular leading in cable of 10 tube-through types.Two groups of A, B are cured, when assembling, adopt respectively above-mentioned two schemes to strengthen the crimping of thread layers.Then grind, once end inspection, test, secondary terminals inspection, determines after qualified and is with dust cap.
The circular leading in cable of tube-through type of A group, B group is carried out to online lift heavy test, detect and whether can under the pressure of 150N, keep 10 minutes.Show after tested, by strengthening thread layers, be evenly distributed on a week of riveting web member, the circular wire jumper of introducing of B group tube-through type of assembling crimping can keep 10 minutes at the pulling force of 150N, and will strengthening thread layers and concentrate on a side of riveting web member, the circular wire jumper of introducing of A group tube-through type of assembling crimping does not reach requirement.
What the circular leading in cable of tube-through type of the present utility model generally adopted is B6a2 type bend insensitive fiber, and optical fiber is the coated thread layers that strengthens around, enhancing thread layers outer cladding outer covering layer.
The enhancing thread layers of the circular leading in cable of tube-through type of the present utility model is that 4-12 thigh strengthens thread layers, and strengthening thread layers need infiltrate through acrylate; Outer covering layer material is acrylate, and acrylate is through photocuring.
The circular leading in cable of tube-through type of the present utility model, can meet the environment for use of-40 ℃~85 ℃.
The circular leading in cable of tube-through type of the present utility model, the joints of optical fibre outward appearance of employing is level and smooth, clean, without greasy dirt, without scar and crackle; Each component combination is smooth; Plug is smooth-going with engaging of breakout box, is easy to plug; Dust cap coordinates suitably with lock pin degree of tightness.All loose mails required the test of 96 hours high low temperature (40 ℃~85 ℃), fire-retardant and meet ROHS environmental requirement; Metal species loose mail required 35 ℃, 96 hours salt-fog tests.
The transmission performance indicators of the circular leading in cable device of the prefabricated end of a kind of tube-through type of the present utility model, all meets China Telecom, China Mobile, and San great operator of CHINAUNICOM is prefabricated into the technical manual of the circular leading in cable of end type for tube-through type.
In a specific embodiment, the enhancing thread layers in the circular leading in cable of tube-through type is adopted to monolateral being distributed on riveting web member, be about to strengthen the side that thread layers concentrates on riveting web member, assemble crimping.
In another specific embodiment, the enhancing thread layers in the circular leading in cable of tube-through type is adopted and is evenly distributed on riveting web member, be about to strengthen thread layers and be evenly distributed in enhancing thread layers seatings, assemble crimping.
Further, the resistance to tension that strengthens thread layers is depending on strengthening the line density of thread layers;
Further, optical cable meets the environment for use of-45 ℃~80 ℃;
Further, the utility model selects the enhancing thread layers of multiply high-modulus or other high modulus fibres (as tygon high strength fibre) as yarn, and the less performance to final products of fiber linear density is more secure;
Further, tight tube fiber of the present utility model unit is selected and is filled the bend insensitive fiber that minimum bending radius is 7.5mm perhaps, the bend insensitive fiber that the minimum bending radius of selecting special core design is 5mm, or the optical fiber of the disposable type of other requirement.
The circular leading in cable device of the prefabricated end of a kind of tube-through type that the utility model provides, take tight tube fiber as elementary cell, adopts non-metallic stiffener, by adding various prefabricated ends, forms the circular wire jumper of introducing of dissimilar prefabricated end.The circular leading in cable of tube-through type is mainly used in the introducing layer of FTTH, from fiber-dividing box, light splitting fiber-dividing box to user.For house wiring, terminal user directly uses cable, and for the introducing cable of buildings.The circular leading in cable of tube-through type has good machinery and environmental performance, and bending resistance can be good, high return loss, and low insertion loss, and stripping is convenient, easily lays, and is convenient to poling in building and lays.
The circular leading in cable device of the prefabricated end of a kind of tube-through type that the utility model provides, take tight tube fiber as elementary cell, adopts non-metallic stiffener, by adding various prefabricated ends, forms the circular wire jumper of introducing of dissimilar prefabricated end.Pass through the utility model, can so that circular rubber-insulated wire wire jumper under the requirement of various pipelines, meet the requirements such as technical indicator, quality, conscientiously improved design and construction quality efficiency, guaranteed the reliable and stable use of network, and the circular leading in cable of tube-through type have good machinery and environmental performance; Bending resistance can be good; High return loss, low insertion loss; Stripping is convenient in addition, easily lays, and can with various joint connection in site head, directly dock at the construction field (site), simple and convenient.
The beneficial effects of the utility model comprise:
1, the circular leading in cable device of the prefabricated end of a kind of tube-through type of the present utility model, has good machinery and environmental performance; Bending resistance can be good; High return loss, low insertion loss, concrete test figure refers to shown in following table 1-1,1-2,1-3.
Table 1-1: performance index
Table 1-2: connector ends 3D technical parameter table
Table 1-3: connector machinery and environmental performance technical parameter table
2, the circular leading in cable device of the prefabricated end of a kind of tube-through type of the present utility model, can so that circular prefabricated end under the requirement of various pipelines, meet the requirements such as technical indicator, quality, conscientiously improved design and construction quality efficiency, guaranteed the reliable and stable use of network, be satisfied with reliability and the dirigibility of wisdom city fiber optic network, concrete test figure refers to shown in following table 1-4.
Table 1-4: the performance index of optical cable pulling force, flat pressure
3, the minimum bending radius of the circular leading in cable of tube-through type of the present utility model, refers to shown in following table 1-5.
Table 1-5: the circular leading in cable minimum bending radius of tube-through type
Note: in table 1-5, " D " is optic cable diameter.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, all any modifications of making, be equal to replacement and improvement etc., within being all contained in protection domain of the present utility model within the utility model spirit and principle.