A kind of intensive FTTX fiber cable cross connection box
Technical field
The utility model relates to Optical Fiber Transmission field, especially relates to a kind of intensive FTTX fiber cable cross connection box.
Background technology
Fiber to the home network has for no reason at all network, high bandwidth, bearer service kind mainly with and the advantage such as supported protocol is flexible, will eliminate ADSL network comprehensively.In present communication network, the advantage having because Fiber to the home, its range of application will be more and more extensive.Fiber to the home need to use optical cable and optical fibres laying-out, also needs to use some optical communication equipments such as fibre distribution frame, fiber cable cross connection box, optical branching device.Fiber cable cross connection box is the connection to each Optical cross connects point as a kind of communications optical cable, and the equipment of distribution and scheduling is more and more important.It is the main connected mode very limitation that seems in present application scenarios that conventional cable cross-connecting box adopts jumping fiber, and wiring is chaotic, operation is very complicated, and dilatation is also inconvenient.
Therefore, develop a kind of fiber cable cross connection box that is applicable to novel Fiber to the home network necessary.This kind of fiber cable cross connection box must reach that capacity is large, dilatation convenient, object clear, simple to operate connects up.
Utility model content
Intensive FTTX(FTTX of the present utility model is the acronym of Fiber-To-The-X, Chinese implication is optical fiber access) object of fiber cable cross connection box is to solve the limitation of existing fiber cable cross connection box in application scenarios, the problem that wiring is chaotic, operation is inconvenient, actual capacity is little, a kind of fiber cable cross connection box for the extensive access for city optical-fiber network FTTx is provided, it,, by without jumping fiber mode, connects backbone optical cable box optical distribution cable flexibly with cassette splitter.
For solving above-mentioned not enough problem, the utility model example provides a kind of intensive FTTX fiber cable cross connection box, comprise casing, base, the molten integrated module of joining, blade inserting is installed boxlike light branching unit module, optical cable solid ground protective device, unit module berths, straight fusible pattern piece, wire loop assembly, wherein, blade inserting is installed the top that boxlike light branching unit module is positioned at casing, the molten symmetrical casing both sides that are distributed in of integrated module of joining, its below arranges straight fusible pattern piece, straight fusible pattern piece below is set side by side with berth unit module and optical cable solid ground protected location, the bottom of casing is base.
Further, backbone optical cable enters bottom half from base, and after optical cable solid ground protective device solid ground, the good optical cable of stripping enters the molten end that is fused into that integrated module carries out optical fiber of joining by the wire loop assembly of each several part; Blade inserting is installed the input tail optical fiber of the cassette splitter in boxlike light branching unit module by the molten adapter of joining integrated module of wire loop assembly connection in each region, via being sent to molten adapter of joining integrated module by output tail optical fiber after optical splitter light splitting, for distribution side provides signal.
Further, casing adopts saturated polyester fiber glass reinforcement (SMC) press mold version or high-quality stainless steel double-decker.
Further, output tail optical fiber can be placed in interior storage of the unit module that berths of tail optical fiber berthing space, casing bottom.
Further, the molten integrated module slide rail type of joining is installed, and can extract out in casing outside.
Further, blade inserting is installed boxlike light branching unit module the cassette splitter of various smooth proportions by subtraction can be installed.
Further, blade inserting is installed boxlike light branching unit module quantity can reach 22, and installation can be installed 22 1:128 cassette splitters at most.
Further, optical distribution cable enters bottom half from base, after optical cable solid ground protective device solid ground, the wire loop assembly of the good optical cable of stripping by each several part enters be positioned at Rong Pei region molten joins the end that is fused into that integrated module carries out optical fiber and is connected with optical branching device output terminal, reaches the conducting of whole incoming fiber optic link; When distribution side user does not need to use optical branching device, via the molten adapter of joining integrated module of trunk side, by jumping fiber, be connected to the molten integrated module adapter of joining of distribution side.
Further, optical cable solid ground protective device is applicable to pencil optical cable and non-pencil optical cable are installed.
Further, need the optical cable that directly pass through to enter bottom half from base, after optical cable solid ground protective device solid ground, the wire loop assembly of the good optical cable of stripping by each several part enters and is positioned at the welding of straight fusible pattern piece, realizes the straight-through of optical cable inner fiber.
Further, the tail optical fiber unit that berths adopts quaternity structure, effectively 12 tail optical fibers is divided into 1 group of storage of berthing.
Further, what wire loop assembly was used is double-decker, and tail optical fiber can be through two-layer up and down, and tediously long and temporary obsolete tail optical fiber passes through from lower floor, needs the tail optical fiber connecting to pass through from upper strata.
Adopt after above structure, intensive FTTX fiber cable cross connection box of the present utility model is compared with prior art fiber cable cross connection box, there is following characteristics: intensive FTTX fiber cable cross connection box of the present utility model is placed in the top by cassette splitter, the tail optical fiber of optical branching device naturally droops through middle Guo Xian district and enters the symmetrical molten integrated module of joining, and left and right is molten joins integrated module and do not interfere with each other; Adopt novel double-deck wire loop assembly, logical descending, unblocked on tail optical fiber.The blade inserting that is positioned at the light subregion of casing top is installed the cassette splitter of the compatible various smooth proportion by subtraction of boxlike light branching unit module energy, has reduced the trouble that in engineering construction, selective light divides.In casing, connect up clear, tail optical fiber convenient management.
Accompanying drawing explanation
Fig. 1 is according to the structural representation of intensive FTTX fiber cable cross connection box of the present utility model.
Fig. 2 is the wiring schematic diagram according to intensive FTTX fiber cable cross connection box of the present utility model.
Fig. 3 is the wiring schematic diagram according to intensive FTTX fiber cable cross connection box of the present utility model.
Fig. 4 A installs the schematic diagram of boxlike light branching unit module according to blade inserting of the present utility model.
Fig. 4 B installs the schematic diagram of boxlike light branching unit module according to blade inserting of the present utility model.
Fig. 4 C installs the schematic diagram of boxlike light branching unit module according to blade inserting of the present utility model.
Fig. 4 D installs the schematic diagram of boxlike light branching unit module according to blade inserting of the present utility model.
Wherein, Reference numeral implication is:
1---casing; 2---base; 3---the molten integrated module of joining; 4---blade inserting is installed boxlike light branching unit module; 5---optical cable solid ground protected location; 6---the tail optical fiber unit that berths; 7---Zhi Rong unit; 8---wire loop assembly; 9---backbone optical cable; 10---optical distribution cable; 11---input tail optical fiber (cassette splitter); 12---output tail optical fiber (cassette splitter); 13---the tail optical fiber that berths (cassette splitter); 14---adapter; 15---jumping fiber.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model example is described further.
According to of the present utility model without jumping fiber optical cable joining box structure as shown in Figure 1, comprise that casing 1, base 1, the molten integrated module 3, blade inserting of joining install boxlike light branching unit module 4, optical cable solid ground protected location 5, tail optical fiber berth 6 ,Zhi Rong unit 7, unit, wire loop assembly 8.Intensive FTTX fiber cable cross connection box of the present utility model adopts lower wiring patter.
Wherein, blade inserting is installed the top that boxlike light branching unit module 4 is positioned at casing 1; molten join integrated module 3 and be symmetrically distributed in casing both sides; and Zhi Rong unit 7 is thereunder set; further under it, be designed with tail optical fiber berth unit module 6 and optical cable solid ground protected location 5 column distribution; and the bottom of casing is base 2, play the effect of protection casing.So, the functional area of casing is divided into ,Zhi melting zone, ,Rong Pei region, light subregion, tail optical fiber berthing space, optical cable fixed area from top to bottom.
Wherein, casing adopts saturated polyester fiber glass reinforcement (SMC) stamper architecture form or high-quality stainless steel double-decker.Door is connected through the hinge, and has good sealing property.Door lock is bikini theft-prevention structure, has good anti-damage performance.
Wherein, the molten symmetrical casing both sides that are distributed in of integrated module of joining, adopt slide rail type to install, and can extract out in casing outside and operate, and maximum can realize 48/624 core capacity.The adaptation of each module becomes 30 ° of angles with casing plane, both guaranteed that the bending radius of optical fiber was not less than 30mm, can avoid again the welding flash eyes in optical fiber.
Wherein, blade inserting is installed boxlike light branching unit module and is adopted the cassette splitter that simple clamp technology can the various smooth proportions by subtraction of convenient installation, to meet various requirement of engineering, as shown in Fig. 4 A, Fig. 4 B, Fig. 4 C and Fig. 4 D.
Wherein, blade inserting is installed boxlike light branching unit module quantity can reach 22, and installation can be installed 22 1:128 cassette splitters at most, and blade inserting is installed the top that boxlike light branching unit module is positioned at casing, to meet more distribution requirement.
Wherein, optical cable solid ground protective device is applicable to installing pencil optical cable and non-pencil optical cable, and the metal strengthening core of optical cable and armor can be connected to optical cable solid ground protective device and carry out ground protection, and enters cable amount while meeting casing full capacity.
Wherein, the tail optical fiber unit that berths adopts quaternity structure, effectively 12 tail optical fibers is divided into 1 group of storages of berthing, and facilitates and in engineering, searches use, and box-type is contained the fine tail optical fiber unit that berths and can be met the Sheng fibre task of the joints of optical fibre such as SC, FC simultaneously simultaneously.
Wherein, what wire loop assembly was used is double-decker, and tail optical fiber can be through two-layer up and down, tediously long and temporary obsolete tail optical fiber passes through from lower floor, needs the tail optical fiber connecting to pass through from upper strata, and task is clearly demarcated, conscientiously play the effect around fine fiber storage, greatly facilitate engineering construction, easy-to-look-up use.
Fig. 2 and Fig. 3 are according to the fine schematic diagram of cloth of the present utility model and schematic diagram.Consider all service conditions of intensive FTTX Optical cross connects case of the present utility model inside, comprise the straight-through of optical fiber, optical fiber connects after by cassette splitter light splitting, directly jumper connection.Comprise backbone optical cable 9, optical distribution cable 10, input tail optical fiber (cassette splitter) 11, output tail optical fiber (cassette splitter) 12, the tail optical fiber that berths (cassette splitter) 13, jumping fiber 15.Backbone optical cable 9 enters the optical cable fixed area of bottom half from base, after optical cable solid ground protective device solid ground via optical cable fixed area, the wire loop assembly of the good optical cable of stripping by each several part enters be positioned at Rong Pei region molten and joins welding that integrated module 3 carries out optical fiber by 14 one-tenth ends of adapter; The input tail optical fiber 11 that is positioned at the cassette splitter module 4 of the subregional blade inserting installation of light boxlike light branching unit module melts the adapter 14 of joining integrated module by the wire loop assembly connection in each region, via being sent to molten adapter 14 of joining integrated module by output tail optical fiber 12 after optical splitter light splitting, for distribution side provides signal, the tail optical fiber 13 that berths of temporarily not using can be placed in interior storage of the unit module that berths of tail optical fiber berthing space, casing bottom, in order to using afterwards; Optical distribution cable 10 enters the optical cable fixed area of bottom half from base; after optical cable solid ground protective device solid ground via optical cable fixed area; the wire loop assembly of the good optical cable of stripping by each several part enters be positioned at Rong Pei region molten joins the end that is fused into that integrated module 3 carries out optical fiber and is connected with the output terminal of light branching unit module 4, reaches the conducting of whole incoming fiber optic link.When distribution side user does not need to use optical branching device, via the molten adapter 14 of joining integrated module 3 of trunk side, by jumping fiber 15, be connected to molten integrated module 3 adapters 14 of joining of distribution side.Need the direct optical cable by this equipment from base, to enter the optical cable fixed area of bottom half; after optical cable solid ground protective device solid ground via optical cable fixed area; the good optical cable of stripping enters by the wire loop assembly of each several part straight fusible pattern piece 7 weldings that are positioned at territory, straight melting zone, realizes the straight-through of optical cable inner fiber.
Intensive FTTX fiber cable cross connection box described in the utility model adopts blade inserting that boxlike light branching unit module is installed, and fine by hanging fine formula cloth, stand-by tail optical fiber berths, and facilitates engineering to use.
Example in this instructions adopts the mode of going forward one by one to be described, and each embodiment stresses is the difference with other examples, between each embodiment identical similar part mutually referring to.
Above-mentioned explanation to disclosed embodiment, makes professional and technical personnel in the field can realize or use the utility model example.To the multiple modification of these embodiments, be apparent for those skilled in the art, or else General Principle as defined herein can depart from the situation of spirit or scope of the utility model example, in other embodiments, realizes.Therefore, the utility model example will can not be limited to these embodiments shown in this article, but will meet the fastest scope consistent with principle disclosed herein and features of novelty.