CN111819484A - Optical fiber distribution frame and main distribution frame - Google Patents

Optical fiber distribution frame and main distribution frame Download PDF

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Publication number
CN111819484A
CN111819484A CN201880090777.8A CN201880090777A CN111819484A CN 111819484 A CN111819484 A CN 111819484A CN 201880090777 A CN201880090777 A CN 201880090777A CN 111819484 A CN111819484 A CN 111819484A
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China
Prior art keywords
fiber
distribution frame
unit
frame
tray
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Granted
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CN201880090777.8A
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Chinese (zh)
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CN111819484B (en
Inventor
贾利锐
马国臻
陈锐荣
郑潇剑
郑柏辉
杨泂
洪亚勤
周学宾
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

The application discloses optical fiber distribution frame belongs to the technical field of communication. Optical fiber distribution frame is including melting and joining in marriage integrated unit box 1 and tray 2, wherein: the fusion-matching integrated unit box 1 is arranged on the tray 2; the tray 2 is provided with a structure for fixing the mold strip bracket on the machine cabinet. By the adoption of the method and the device, the technical problem that a main distribution frame using an integral type mold strip support cannot meet the scene of optical copper mixing in the related technology can be solved.

Description

Optical fiber distribution frame and main distribution frame Technical Field
The application relates to the technical field of communication, in particular to an optical fiber distribution frame and a main distribution frame.
Background
With the development of science and technology, people have higher and higher requirements for bandwidth, and traditional Digital Subscriber Line (DSL) broadband services based on copper wires need to be upgraded and modified urgently. In upgrading and modifying broadband services, an important step is to modify a main distribution frame for copper wire distribution, so that the main distribution frame has the functions of copper wire distribution and optical fiber distribution. The existing main distribution frame for copper wire distribution comprises a cabinet, a mould strip bracket and a copper wire mould strip, and the specific structure of the main distribution frame is as follows: a mould strip bracket is arranged on the machine cabinet, and a copper wire mould strip for wiring is arranged on the mould strip bracket.
The scheme for reforming the main distribution frame in the related technology comprises the following steps: for a main distribution frame employing segmented modular strip carriers, one or more segments of modular strip carriers and copper modular strips thereon are first removed, and then optical distribution assemblies for optical fiber distribution are mounted in the mold strip carrier removal position. And then make the main distribution frame after the transformation have the function of copper line distribution and optical fiber distribution concurrently, have realized the mere copper mixes and match.
In the course of implementing the present application, the inventors found that the related art has at least the following problems:
some main distribution frames use not a segmented modular strip support but an integral modular strip support. In this case, to install the optical subassembly, the entire mold strip holder and the copper mold strip thereon must be removed, which means that the copper traffic is abandoned, and the optical copper mixing scenario cannot be satisfied.
Disclosure of Invention
In order to solve the technical problems in the related art, the embodiment of the application provides an optical fiber distribution frame and a main distribution frame.
The embodiment of the application provides an optical fiber distribution frame, and the optical fiber distribution frame is including melting and joining in marriage integrated unit box 1 and tray 2, and wherein, melting and joining in marriage integrated unit box 1 and install on tray 2. The tray 2 is provided with a structure for fixing the mold strip bracket on the machine cabinet.
The fusion-splicing integrated unit box 1 is also called a fusion-splicing integrated module or a fusion-splicing frame, and is an optical fiber distribution device. The fusion-splicing integrated unit box 1 has an optical cable introducing function, an optical cable fixing and protecting function, a wire adjusting function, an optical fiber and pigtail fusion splicing function and an optical cable fiber core and pigtail protecting function. The fusion-assembled integrated unit box 1 can be made of plastic and is provided with a structure which can be fixed with the tray 2.
The tray 2 can be made of plastic, and the tray 2 is provided with a structure fixed with the mould strip bracket.
According to the scheme shown in the embodiment of the application, the plurality of adapters can be installed in the fusion-splicing integrated unit box 1, the first ends of the adapters can be connected with the optical fibers connected with the main equipment, the second ends of the adapters can be connected with the tail fibers, and the tail fibers can be fused with the optical fibers in the optical cables entering the home and fixed in the fusion-splicing integrated unit box 1, so that the function of optical fiber wiring is realized.
When the in-service use optical fiber distribution frame, at first, with the copper line mould strip among the existing main distribution frame demolish partly, then at the mould strip shelf location optical fiber distribution frame of demolising copper line mould strip, remaining copper line mould strip still can realize the function of copper line distribution, the function of optical fiber distribution can be realized to the optical fiber distribution frame that increases to, make the main distribution frame of installation optical fiber distribution frame have copper line distribution and optical fiber distribution's function concurrently.
Because when installing optical fiber distribution frame, only need demolish copper line mould strip, and need not to demolish the mould strip support, consequently, to the main distribution frame who uses integral mould strip support and split type mould strip support, all can be under the prerequisite that remains partly copper line mould strip, installation optical fiber distribution frame. Therefore, copper wire service is not abandoned for realizing the optical fiber wiring function, and the scene of optical copper mixing can be met.
In a possible implementation manner, the two sides of the tray 2 are both provided with a clamping groove 201, and the clamping grooves 201 are used for being fixed with the mold strip bracket on the cabinet.
The shape and size of the clamping grooves 201 are matched with those of the guide rails of the die strip support, and the distance between the two clamping grooves 201 is close to or equal to that between the two guide rails on the die strip support.
The young's modulus of the material of the mould bar supports is greater than the young's modulus of the material of the tray 2.
In the scheme shown in the embodiment of the application, a protrusion is arranged on the inner wall of the clamping groove 201, the surface of the protrusion, which faces to the other inner wall of the clamping groove 201, is an insertion surface, and a stepped surface formed between the protrusion and the inner wall is called a holding surface. The thickness of the upper end of the guide rail of the die strip support is equal to the distance between the two inner walls of the clamping groove 201, and the part of the guide rail, which is clamped with the clamping groove 201, is provided with a step surface.
When the tray 2 is clamped with the mould strip bracket, other locking fittings (such as screws) are not needed, the element number of the optical fiber distribution frame is reduced, and the loss of some locking fittings with smaller sizes is also prevented. And, the connected mode of joint need not other instruments when the dismouting, and the installer can be very light installation and dismantlement, and is very convenient. And the cost is saved by the clamping connection mode.
In a possible implementation manner, the inner wall of the tray 2 is provided with a slide rail structure 204, the side wall of the fusion-assembled integrated unit box 1 is provided with a convex slide rail 1032, the slide rail 1032 is matched with the slide rail structure 204, and the slide rail 1032 is installed in the slide rail structure 204.
Wherein the number of the sliding bars 1032 is 2, and two sliding bars 1032 are opposite.
According to the scheme shown in the embodiment of the application, the tray 2 and the fusion-assembly integrated unit box 1 can be conveniently disassembled and assembled through the sliding strip 1032 and the slide way structure 204.
In one possible implementation, the slideway structure 204 is provided with a protrusion, the sliding strip 1032 is provided with a groove, and the shape, size and position of the groove and the protrusion are matched; and the fusion-assembling integrated unit box 1 and the tray 2 are clamped and connected through the bulge and the groove.
In the scheme shown in the embodiment of the application, two groups of grooves matched with the protrusions on the slideway structure 204 can be arranged on the sliding strip 1032, and the tail end of the sliding strip 1032 is provided with a limiting protrusion for limiting.
The existence of two sets of recesses makes the integrated unit box of joining in marriage by melting 1 have two mounted positions, and installer can decide the specific mounted position of joining in marriage integrated unit box by melting 1 according to the size of the degree of depth space of the rack on scene (the distance between the installation face of rack and the rack hatch door promptly). When the depth space of the on-site cabinet is smaller, the tail end of the sliding channel structure 204 on the tray 2 can be contacted with the limiting bulge, so that the size of the optical fiber distribution frame in the depth direction is reduced, and the space of the cabinet occupied by the optical fiber distribution frame is reduced; when the depth space of the on-site cabinet is large, the tail end of the sliding structure 204 on the tray 2 is not contacted with the limiting protrusion, so that the distance between the installation surfaces of the fusion-assembly integrated unit box 1 and the cabinet is increased, and the requirement of routing between the installation surfaces of the fusion-assembly integrated unit box 1 and the cabinet is met. The stop protrusion may prevent the runner structure 204 of the tray 2 from sliding directly over the runner 1032.
When the tray 2 is clamped with the fusion-distribution integrated unit box 1, other locking fittings (such as screws) are not needed, the number of elements of the optical fiber distribution frame is reduced, and the loss of the locking fittings with smaller sizes is also prevented. And, the connected mode of joint need not other instruments when the dismouting, and the installer can be very light installation and dismantlement, and is very convenient. And the cost is saved by the clamping connection mode.
In a possible implementation, the optical fiber distribution frame further comprises a fiber winding frame 3, the fiber winding frame 3 is mounted on the tray 2; the winding frame 3 has an arc-shaped plate 301, and the arc-shaped plate 301 is used for winding the optical fiber.
Wherein, wind fine frame 3 and be used for with the fine frame 3 cooperation of winding on other fiber optic distribution frame, accomodate the winding of the optic fibre of unnecessary length.
The scheme shown in the embodiment of the application is installed in a group of optical fiber distribution frames on a module bar bracket, the optical fiber distribution frames at two ends are provided with fiber winding frames 3, and two arc-shaped plates 301 of the fiber winding frames 3 are wound with optical fibers connected with main equipment. Therefore, the optical fiber with the excessive length is wound and stored on the optical fiber distribution frame, namely the optical fiber distribution frame realizes the self-winding of the optical fiber. The presence of the curved plate 301 prevents the fiber from turning too small of a radius and causing significant light loss.
Two limiting piles are arranged at the first end of the arc-shaped plate 301 of the fiber winding frame 3. The second end of the arcuate plate 301 is attached to the mounting plate. Two ribbed plates are arranged on the concave surface of the arc-shaped plate 301, and the bottom ends of the two ribbed plates are fixed on the mounting plate. A plurality of parallel strip-shaped through holes are arranged on the arc-shaped plate 301.
The existence of the limiting piles can reduce the possibility that the wound optical cable slips off. The mounting plate is used for mounting between the tray 2, and the two rib plates enhance the strength of the fiber winding frame 3.
In a possible implementation manner, two opposite fiber winding frame grooves 202 and a first buckle 203 are arranged on the tray 2, and the first buckle 203 is located between the two fiber winding frame grooves 202; the first edge and the second edge of the mounting plate of the fiber winding frame 3 are respectively arranged in the two fiber winding frame grooves 202, and the first buckle 203 is clamped on the third edge of the mounting plate of the fiber winding frame 3.
The first hook 203 may be a hook-shaped cantilever hook, and the number of the hook-shaped cantilever hooks is 1.
In the embodiment of the present application, the second end of the arc-shaped plate 301 is connected to the mounting plate, a first buckle 203 is disposed between two opposite grooves 202 on the tray 2 around the fiber frame, and an outward inclined surface of the first buckle 203 is an insertion surface of the first buckle 203.
Based on the first buckle 203, the fiber winding frame 3 can be firmly installed in the fiber winding frame groove 202, and the possibility that the fiber winding frame 3 is separated from the fiber winding frame groove 202 due to vibration can be reduced.
The two opposite fiber winding frame grooves 202 are a first fiber winding frame groove and a second fiber winding frame groove respectively, and a first edge of the mounting plate of the fiber winding frame 3 can be arranged in the first fiber winding frame groove or the second fiber winding frame groove. Accordingly, the second edge of the mounting plate of the fiber winding frame 3 can be arranged in the second fiber winding frame groove, and can also be arranged in the first fiber winding frame groove. That is, the fiber winding frame 3 may be mounted on the tray 2 in the normal state or may be mounted on the tray 2 in the reverse state.
When a group of optical distribution frames is installed on the mould bar bracket, the fiber winding frames 3 installed on the optical distribution frames at two ends of the group must be installed in a front-to-back mode, and the convex surfaces of the arc-shaped plates 301 on the two fiber winding frames 3 must face away from each other. In this way, a sufficient turning radius of the optical fiber connected to the host device can be ensured.
In one possible implementation, the fusion-assembled integrated unit box 1 includes a top cover 101, an adapter unit 102, a fusion unit 103, and a fiber-routing lug 104.
The top cover 101 separates the inside of the whole melting and matching integrated unit box 1 from the outside, and prevents other impurities such as dust from polluting the melting and matching integrated unit box 1 and each component inside the melting and matching integrated unit box 1.
A plurality of adapters may be mounted in the adapter unit 102, and the optical fibers connected to the host device may be connected to first ends of the adapters, and second ends of the adapters may be connected to pigtails.
The fusion splicing unit 103 is provided with a plurality of fiber slots, and a plurality of fusion spliced optical fibers can be arranged in the plurality of fiber slots.
The fiber-routing lug 104 may be provided with an optical fiber, which is connected to the host device. The function of the fiber-routing lug 104 is to prevent the bending radius of the optical fiber from being too large.
In one embodiment of the present disclosure, the top cover 101 is mounted on the welding unit 103, the welding unit 103 and the fiber guiding lug 104 are mounted on the adapter unit 102, and the adapter unit 102 is mounted on the tray 2.
Wherein, the welding unit 103 is provided with a through hole so that the tail fiber in the adapter unit 102 enters the welding unit 103 through the through hole.
In practical application, an optical fiber connected to the host device is firstly wound around the fiber winding frame 3, and then is connected to the first end of the adapter mounted on the adapter unit 102 through the fiber guiding lug 104, the second end of the adapter is connected to the tail fiber, and the tail fiber enters the welding unit 103 through the through hole on the welding unit 103 after being wound around the arc-shaped structure of the adapter unit 102. The fiber optic cable enters the fusion unit 103 through the gaps on both sides of the fusion unit 103. The pigtails are fusion spliced with the optical fibers in the optical cable and fixed in the fiber card slot on the fusion splicing unit 103. Thus, the wiring function of the fusion-bonding integrated unit case 1 is realized.
According to the scheme of the embodiment of the application, the top cover 101 and the fiber routing lugs 104 are installed on the adapter unit 102, the adapter unit 102 is installed on the welding unit 103, and the welding unit 103 is installed on the tray 2.
Wherein, the adapter unit 102 is provided with a through hole so that the tail fiber in the adapter unit 102 enters the welding unit 103 through the through hole.
In practical application, an optical fiber connected to the host device is firstly wound around the fiber winding frame 3, and then is connected to the first end of the adapter mounted on the adapter unit 102 through the fiber routing lug 104, the second end of the adapter is connected to the tail fiber, and the tail fiber enters the fusion unit 103 through the through hole on the adapter unit 102 after winding around the arc-shaped structure of the adapter unit 102. The fiber optic cable enters the fusion unit 103 through the gaps on both sides of the fusion unit 103. The pigtails are fusion spliced with the optical fibers in the optical cable and fixed in the fiber card slot on the fusion splicing unit 103. Thus, the wiring function of the fusion-bonding integrated unit case 1 is realized.
In one possible implementation, a second catch 1021 is provided on an edge of the adapter unit 102, the second catch 1021 catching on the top cover 101.
The second hooks 1021 may be hook-shaped cantilever hooks, and the number of the second hooks 1021 may be 2.
In the solution shown in the embodiment of the present application, two opposite edges of the adapter unit 102 are respectively provided with a second buckle 1021, and two opposite inclined surfaces of the two second buckles 1021 are insertion surfaces of the second buckles 1021.
When the top cover 1 is clamped with the adapter unit 102, other locking fittings (such as screws) are not needed, the number of components of the optical fiber distribution frame is reduced, and the loss of some locking fittings with smaller sizes is prevented. And, the connected mode of joint need not other instruments when the dismouting, and the installer can be very light installation and dismantlement, and is very convenient. And the cost is saved by the clamping connection mode.
Meanwhile, in order to facilitate positioning during installation, a notch is further formed in the top cover 101, a protrusion is arranged on the adapter unit 102, the protrusion is matched with the notch in shape and size, and when the top cover 101 is installed, the protrusion is inserted into the notch, so that the top cover 101 is limited from shaking.
In one possible implementation, the first edge of the welding unit 103 and the first edge of the adapter unit 102 are hinged by a pin; a clamping hole 1022 is formed in the second edge of the adapter unit 102, a third buckle 1031 is formed in the second edge of the welding unit 103, and the shapes and positions of the third buckle 1031 and the clamping hole 1022 are matched; the first and second edges of the adapter unit 102 are opposite edges, and the first and second edges of the welding unit 103 are opposite edges.
The third hooks 1031 may be hook-shaped cantilever hooks, the locking holes 1022 may be rectangular through holes, and the number of the third hooks 1031 and the locking holes 1022 may be 1.
In the solution shown in the embodiment of the present application, a third buckle 1031 is disposed on a second edge of the welding unit 103, and an outward inclined surface of the third buckle 1031 is an insertion surface of the third buckle 1031. A rotating shaft is arranged on the first edge of the adapter unit 102, and a rotating shaft clamping groove is arranged on the first edge of the welding unit 103.
When the adapter unit 102 and the fusion splicing unit 103 are clamped, other locking fittings (such as screws) are not needed, the number of components of the optical fiber distribution frame is reduced, and the loss of some locking fittings with smaller sizes is prevented. And, the connected mode of joint need not other instruments when the dismouting, and the installer can be very light installation and dismantlement, and is very convenient. And the cost is saved by the clamping connection mode.
In a possible implementation manner, the adapter unit 102 is provided with opposite fiber-running lug grooves 1023 and a fourth buckle 1024, and the fourth buckle 1024 is located between the two fiber-running lug grooves 1023; the first edge and the second edge of the mounting plate of the fiber-moving lug 104 are respectively arranged in the two fiber-moving lug grooves 1023, and the fourth buckle 1024 is clamped on the third edge of the mounting plate of the fiber-moving lug 104.
Wherein, the fourth catch 1024 may be a hook-shaped cantilever catch.
In the embodiment of the present application, the adapter unit 102 includes two sets of fiber-guiding lug grooves 1023, and each set of fiber-guiding lug grooves 1023 includes two opposite fiber-guiding lug grooves 1023. The inclined surface on the fourth buckle 1024 is an insertion surface.
The presence of the two sets of routing lug recesses 1023 allows the routing lugs 104 to have two mounting positions, and the specific mounting positions of the routing lugs 104 can be determined by the installer based on the type of optical fiber connected to the first end of the adapter. When the turning radius of the optical fiber connected with the first end of the adapter is required to be larger (such as a long-tail optical fiber), the fiber-moving lugs 104 are arranged in the outer group of fiber-moving lug grooves 1023 to meet the larger turning radius of the optical fiber; when the turning radius of the optical fiber connected to the first end of the adapter is required to be small (such as a short-tail optical fiber or an ultra-short tail optical fiber), the fiber routing lugs 104 are mounted in the inner set of fiber routing lug grooves 1023, so that the optical distribution frame has a small external size.
Based on the fourth buckle 1024, the fiber-moving lug 104 can be firmly installed in the fiber-moving lug groove 1023, and the possibility that the fiber-moving lug 104 is separated from the fiber-moving lug groove 1023 due to vibration can be reduced.
The embodiment of the application provides a main distribution frame, main distribution frame includes rack, mould strip support, copper line mould strip and preceding optical fiber distribution frame, wherein: the mould strip support is fixed in the rack, and copper line mould strip and fiber distribution frame are installed on the mould strip support.
The copper wire modular strip refers to a device for copper wire wiring. The mould strip support can be an integral mould strip support or a split mould strip support.
The scheme shown in the embodiment of the application installs a set of optical fiber distribution frame on a module strip support, installs on the optical fiber distribution frame that is located the both ends of this set of optical fiber distribution frame around fine frame 3 to these two convex surfaces that wind fine frame 3's arc 301 face towards mutually back mutually, can not be provided with on the remaining optical fiber distribution frame around fine frame 3.
The two arc plates 301 of the fiber winding frame 3 can wind multiple circles of optical fibers connected with the main equipment. Therefore, the optical cable with the excessive length is wound and stored on the optical fiber distribution frame, namely the optical fiber distribution frame realizes the self-winding of the optical fiber. The presence of the curved plate 301 prevents the fiber from turning too small of a radius and causing significant light loss.
The technical scheme provided by the embodiment of the application has the following beneficial effects:
at the time of the optical fiber distribution frame that in-service use this application embodiment provided, at first, demolish a part with the copper line mould strip among the existing main distribution frame, then at the mould strip shelf location optical fiber distribution frame of demolising copper line mould strip, remaining copper line mould strip still can realize the function of copper line distribution, the function of optical fiber distribution can be realized to the optical fiber distribution frame that increases, thereby, make the main distribution frame of installation optical fiber distribution frame have copper line distribution and optical fiber distribution's function concurrently.
Because when installing optical fiber distribution frame, only need demolish copper line mould strip, and need not to demolish the mould strip support, consequently, to the main distribution frame who uses integral mould strip support and split type mould strip support, all can be under the prerequisite that remains partly copper line mould strip, installation optical fiber distribution frame. Therefore, the situation of optical copper mixed distribution can be met without abandoning copper wire service for realizing the optical fiber distribution function.
Drawings
Fig. 1 is a schematic diagram of an optical fiber distribution frame provided by an embodiment of the present application;
fig. 2 is a schematic diagram of a main distribution frame with portions of copper modular strips removed according to an embodiment of the present application;
fig. 3 is a schematic diagram of a main distribution frame with an installed optical fiber distribution frame according to an embodiment of the present application;
fig. 4 is a schematic diagram of an optical fiber distribution frame clamped on a mold bar bracket according to an embodiment of the present application;
fig. 5 is a schematic diagram of an optical fiber distribution frame provided by an embodiment of the present application;
fig. 6 is a schematic diagram of clamping between the tray 2 and the fusion-assembly integrated unit box 1 provided in the embodiment of the present application;
FIG. 7 is a schematic diagram of an optical fiber self-winding provided by an embodiment of the present application;
fig. 8 is a schematic view of the fiber winding frame 3 mounted on the fusion-assembled integrated unit box 1 according to the embodiment of the present application;
fig. 9 is a schematic view of a fiber distribution frame being assembled around a fiber rack 3 according to an embodiment of the present application;
fig. 10 is a schematic view of an optical fiber distribution frame reverse-mounted about a fiber rack 3 according to an embodiment of the present application;
fig. 11 is an exploded view of an optical distribution frame provided by embodiments of the present application;
FIG. 12 is a schematic view of a snap fit between the top cover 101 and the adapter unit 102 according to an embodiment of the present disclosure;
fig. 13 is a schematic view of the clamping connection between the adapter unit 102 and the welding unit 103 according to the embodiment of the present application;
fig. 14 is a schematic view of a hinge connection between the adapter unit 102 and the welding unit 103 according to an embodiment of the present disclosure;
fig. 15 is a schematic view of a fiber routing lug 104 mounted on an adapter unit 102 according to an embodiment of the present application;
fig. 16 is a schematic view of an adapter-mounted fiber distribution frame according to an embodiment of the present application.
Description of the figures
1. Melt and join in marriage integrated unit box, 2, the tray, 3, around fine frame, 101, the top cap, 102, the adapter unit, 103, the butt fusion unit, 104, walk fine hangers, 201, the draw-in groove, 202, around fine frame recess, 203, first buckle, 204, slide structure, 301, the arc, 1021, the second buckle, 1022, the card hole, 1023, walk fine hangers recess, 1024, the fourth buckle, 1031, the third buckle, 1032, the draw runner, 00, the rack, 01, the mould strip support, 02, fiber distribution frame, 03, copper line mould strip, 04, the adapter, 05, optic fibre, 06, the tail optical fibre.
Detailed Description
The embodiment of the application provides an Optical Distribution Frame (ODF) and a main distribution frame. On current main distribution frame that is used for copper line distribution can be installed to this optical fiber distribution frame, current main distribution frame includes rack, mould strip support and copper line mould strip, installs mould strip support on the rack, installs copper line mould strip on the mould strip support. Firstly, part of the copper wire mould strip in the existing main distribution frame is removed, then the optical fiber distribution frame is arranged on the mould strip support for removing the copper wire mould strip, the original copper wire mould strip still realizes the copper wire distribution function, and the added optical fiber distribution frame realizes the optical fiber distribution function, so that the main distribution frame for installing the optical fiber distribution frame has the functions of copper wire distribution and optical fiber distribution.
The embodiment of the application provides an optical fiber distribution frame, as shown in fig. 1, the optical fiber distribution frame comprises a fusion-distribution integrated unit box 1 and a tray 2, wherein the fusion-distribution integrated unit box 1 is installed on the tray 2. The tray 2 is provided with a structure for fixing the mold strip bracket on the machine cabinet.
The fusion-splicing integrated unit box 1 is also called a fusion-splicing integrated module or a fusion-splicing frame, and is an optical fiber distribution device. The fusion-splicing integrated unit box 1 has an optical cable introducing function, an optical cable fixing and protecting function, a wire adjusting function, an optical fiber and pigtail fusion splicing function and an optical cable fiber core and pigtail protecting function. The fusion-assembled integrated unit box 1 can be made of plastic and is provided with a structure which can be fixed with the tray 2.
The tray 2 can be made of plastic, and the tray 2 is provided with a structure fixed with the mould strip bracket.
According to the scheme shown in the embodiment of the application, the plurality of adapters can be installed in the fusion-splicing integrated unit box 1, the first ends of the adapters can be connected with the optical fibers connected with the main equipment, the second ends of the adapters can be connected with the tail fibers, and the tail fibers can be fused with the optical fibers in the optical cables entering the home and fixed in the fusion-splicing integrated unit box 1, so that the function of optical fiber wiring is realized.
When the optical fiber distribution frame is actually used, firstly, a part of copper wire mold strips in the existing main distribution frame are removed (as shown in fig. 2), then the optical fiber distribution frame is installed on the mold strip support for removing the copper wire mold strips (as shown in fig. 3), the residual copper wire mold strips still can realize the function of copper wire distribution, the added optical fiber distribution frame can realize the function of optical fiber distribution, and therefore the main distribution frame for installing the optical fiber distribution frame has the functions of copper wire distribution and optical fiber distribution.
Because when installing optical fiber distribution frame, only need demolish copper line mould strip, and need not to demolish the mould strip support, consequently, to the main distribution frame who uses integral mould strip support and split type mould strip support, all can be under the prerequisite that remains partly copper line mould strip, installation optical fiber distribution frame. Therefore, copper wire service is not abandoned for realizing the optical fiber wiring function, and the scene of optical copper mixing can be met.
In a possible implementation manner, the two sides of the tray 2 are both provided with a clamping groove 201, and the clamping grooves 201 are used for being fixed with the mold strip bracket on the cabinet.
The shape and size of the clamping grooves 201 are matched with those of the guide rails of the die strip support, and the distance between the two clamping grooves 201 is close to or equal to that between the two guide rails on the die strip support.
The young's modulus of the material of the mould strip support is larger than that of the material of the tray 2, and the material rigidity is larger when the young's modulus is larger, so that the tray 2 has better elasticity compared with the mould strip support, and the installation between the tray 2 and the mould strip support is convenient.
In the solution shown in the embodiment of the present application, as shown in fig. 4 and 17, a protrusion is disposed on an inner wall of the slot 201, a surface of the protrusion facing to another inner wall of the slot 201 is an insertion surface, and a stepped surface formed between the protrusion and the inner wall is referred to as a holding surface. The thickness of the guide rail outer end of the mould strip support is equal to the distance between the two inner walls of the clamping groove 201, and the part of the guide rail clamped with the clamping groove 201 is provided with a step surface.
When installing the optical fiber distribution frame, align two draw-in grooves 201 with two guide rails of mould strip support, then the outside-in inserts, the side contact of the side of two guide rails on the insert surface on the draw-in groove 201, then the side lapse along two guide rails, because the young modulus of the material of mould strip support is greater than the young modulus of the material of tray, and the distance of the arch on the draw-in groove 201 apart from the inner wall relative with the arch is less than the thickness of guide rail outer end, under the effect of pressure, draw-in groove 201 takes place elastic deformation and struts, then, draw-in groove 201 continues to inwards slide along the guide rail, finally, the insert surface of draw-in groove 201 separates with the side of guide rail, draw-in groove 201 reconversion, the holding surface of draw-in groove 201 contacts with the ladder face.
When the tray 2 is clamped with the mould strip bracket, other locking fittings (such as screws) are not needed, the element number of the optical fiber distribution frame is reduced, and the loss of some locking fittings with smaller sizes is also prevented. And, the connected mode of joint need not other instruments when the dismouting, and the installer can be very light installation and dismantlement, and is very convenient. And the cost is saved by the clamping connection mode.
In a possible implementation manner, the inner wall of the tray 2 is provided with a slide rail structure 204, the side wall of the fusion-assembled integrated unit box 1 is provided with a convex slide rail 1032, the slide rail 1032 is matched with the slide rail structure 204, and the slide rail 1032 is installed in the slide rail structure 204.
Wherein the number of the sliding bars 1032 is 2, and two sliding bars 1032 are opposite.
In the solution shown in the embodiment of the present application, fig. 6 is a cross-sectional view along a-a direction in fig. 5, and as shown in fig. 6, the tray 2 and the fusion-assembly integrated unit box 1 can be easily disassembled and assembled through the slide 1032 and the chute structure 204.
In one possible implementation, the slideway structure 204 is provided with a protrusion, the sliding strip 1032 is provided with a groove, and the shape, size and position of the groove and the protrusion are matched; and the fusion-assembling integrated unit box 1 and the tray 2 are clamped and connected through the bulge and the groove.
In the scheme shown in the embodiment of the application, as shown in fig. 6, two sets of grooves matched with the protrusions on the sliding rail structure 204 may be disposed on the sliding rail 1032, and a limiting protrusion for limiting is disposed at the end of the sliding rail 1032.
The existence of two sets of recesses makes the integrated unit box of joining in marriage by melting 1 have two mounted positions, and installer can decide the specific mounted position of joining in marriage integrated unit box by melting 1 according to the size of the degree of depth space of the rack on scene (the distance between the installation face of rack and the rack hatch door promptly). When the depth space of the on-site cabinet is smaller, the tail end of the sliding channel structure 204 on the tray 2 can be contacted with the limiting bulge, so that the size of the optical fiber distribution frame in the depth direction is reduced, and the space of the cabinet occupied by the optical fiber distribution frame is reduced; when the depth space of the on-site cabinet is large, the tail end of the sliding structure 204 on the tray 2 is not contacted with the limiting protrusion, so that the distance between the installation surfaces of the fusion-assembly integrated unit box 1 and the cabinet is increased, and the requirement of routing between the installation surfaces of the fusion-assembly integrated unit box 1 and the cabinet is met. The stop protrusion may prevent the runner structure 204 of the tray 2 from sliding directly over the runner 1032.
When the tray 1 and the fusion-bonding integrated unit box 1 are mounted together, the slide structure 204 on the tray 2 is opposed to the two slide bars 1032 of the fusion-bonding integrated unit box 1, and then the tray 2 is moved so that the slide structure 204 is in contact with the slide bars 1032. When the protrusion on the slide structure 204 contacts with the side wall of the slide 1032, the slide structure 204 is elastically deformed and is stretched, when the protrusion contacts with the groove matched with the protrusion, the slide structure 204 is restored to the original state, the protrusion is clamped in the groove, and the tray 2 and the fusion-matching integrated unit box 1 are clamped at the first position. The tray 2 can also be slid, the protrusion is separated from the groove, the slide structure 204 is elastically deformed again and is propped open until the tail end of the slide structure 204 is contacted with the limiting protrusion at the tail end of the slide 1032, at the moment, the protrusion on the slide structure 204 is contacted with another group of grooves matched with the protrusion, the slide structure 204 is restored to the original state, the protrusion is clamped in the groove, and the tray 2 and the fusion-matching integrated unit box 1 are clamped at the second position.
When the tray 2 is clamped with the fusion-distribution integrated unit box 1, other locking fittings (such as screws) are not needed, the number of elements of the optical fiber distribution frame is reduced, and the loss of the locking fittings with smaller sizes is also prevented. And, the connected mode of joint need not other instruments when the dismouting, and the installer can be very light installation and dismantlement, and is very convenient. And the cost is saved by the clamping connection mode.
In a possible implementation, the optical fiber distribution frame further comprises a fiber winding frame 3, the fiber winding frame 3 is mounted on the tray 2; the winding frame 3 has an arc-shaped plate 301, and the arc-shaped plate 301 is used for winding the optical fiber.
The fiber winding frame 3 is used for matching with the fiber winding frames 3 on other fiber distribution frames to wind and store the optical fibers connected with the main equipment with redundant length.
In the scheme shown in the embodiment of the present application, as shown in fig. 7, among a group of optical fiber distribution frames installed on a module bar support, the optical fiber distribution frames located at both ends are installed with fiber winding frames 3, and a plurality of circles of optical fibers are wound on the two arc-shaped plates 301 of the fiber winding frames 3. Therefore, the optical fiber with the excessive length is wound and stored on the optical fiber distribution frame, namely the optical fiber distribution frame realizes the self-winding of the optical fiber. The presence of the curved plate 301 prevents the fiber from turning too small of a radius and causing significant light loss.
As shown in fig. 8, two position limiting pegs are provided around the first end of the arc-shaped plate 301 of the fiber frame 3. The second end of the arcuate plate 301 is attached to the mounting plate. Two ribbed plates are arranged on the concave surface of the arc-shaped plate 301, and the bottom ends of the two ribbed plates are fixed on the mounting plate. A plurality of parallel strip-shaped through holes are arranged on the arc-shaped plate 301.
The existence of the limiting piles can reduce the possibility of the wound optical fiber slipping. The mounting plate is used for mounting between the tray 2, and the two rib plates enhance the strength of the fiber winding frame 3.
In a possible implementation manner, two opposite fiber winding frame grooves 202 and a first buckle 203 are arranged on the tray 2, and the first buckle 203 is located between the two fiber winding frame grooves 202; the first edge and the second edge of the mounting plate of the fiber winding frame 3 are respectively arranged in the two fiber winding frame grooves 202, and the first buckle 203 is clamped on the third edge of the mounting plate of the fiber winding frame 3.
The first hook 203 may be a hook-shaped cantilever hook, and the number of the hook-shaped cantilever hooks is 1.
In a scheme shown in the embodiment of the present application, as shown in fig. 8, a second end of an arc plate 301 is connected to the mounting plate, a first buckle 203 is disposed between two opposite fiber winding frame grooves 202 on the tray 2, and an outward inclined surface of the first buckle 203 is an insertion surface of the first buckle 203.
When the fiber winding frame 3 is installed, the installation plate of the fiber winding frame 3 is aligned with the fiber winding frame groove 202, then the fiber winding frame is pressed down from top to bottom, the installation plate of the fiber winding frame 3 is firstly contacted with the first buckle 203, then the installation plate slides downwards along the insertion surface of the first buckle 203, under the action of pressure, the first buckle 203 elastically deforms, the installation plate of the fiber winding frame 3 continuously slides downwards along the two opposite fiber winding frame grooves 202, finally, the installation plate of the fiber winding frame 3 is separated from the insertion surface of the first buckle 203, the first buckle 203 is restored to the original state, the holding surface of the first buckle 203 is contacted with the third edge of the installation plate of the fiber winding frame 3, and the installation plate of the fiber winding frame 3 is clamped in the fiber winding frame groove 202 by the first buckle 203.
Based on the first buckle 203, the fiber winding frame 3 can be firmly installed in the fiber winding frame groove 202, and the possibility that the fiber winding frame 3 is separated from the fiber winding frame groove 202 due to vibration can be reduced.
The two opposite fiber winding frame grooves 202 are a first fiber winding frame groove and a second fiber winding frame groove respectively, and a first edge of the mounting plate of the fiber winding frame 3 can be arranged in the first fiber winding frame groove or the second fiber winding frame groove. Accordingly, the second edge of the mounting plate of the fiber winding frame 3 can be arranged in the second fiber winding frame groove, and can also be arranged in the first fiber winding frame groove. That is, the fiber winding frame 3 may be mounted on the tray 2 (as shown in fig. 9) or may be mounted on the tray 2 in a reversed manner (as shown in fig. 10).
When a group of optical distribution frames is installed on the mould bar bracket, the fiber winding frames 3 installed on the optical distribution frames at two ends of the group must be installed in a front-to-back mode, and the convex surfaces of the arc-shaped plates 301 on the two fiber winding frames 3 must face away from each other. In this way, a sufficient turning radius of the optical fiber connected to the host device can be ensured.
In one possible implementation, the fusion-assembled integrated unit box 1 includes a top cover 101, an adapter unit 102, a fusion unit 103, and a fiber-routing lug 104.
The top cover 101 separates the inside of the whole melting and matching integrated unit box 1 from the outside, and prevents other impurities such as dust from polluting the melting and matching integrated unit box 1 and each component inside the melting and matching integrated unit box 1.
A plurality of adapters may be mounted in the adapter unit 102, and the optical fibers connected to the host device may be connected to first ends of the adapters, and second ends of the adapters may be connected to pigtails.
The fusion splicing unit 103 is provided with a plurality of fiber slots, and a plurality of fusion spliced pigtails and optical fibers can be arranged in the fiber slots.
The fiber-routing lug 104 may be provided with an optical fiber, which is connected to the host device. The function of the fiber-routing lug 104 is to prevent the bending radius of the optical fiber from being too large.
In one embodiment of the present disclosure, the top cover 101 is mounted on the welding unit 103, the welding unit 103 and the fiber guiding lug 104 are mounted on the adapter unit 102, and the adapter unit 102 is mounted on the tray 2.
Wherein, the welding unit 103 is provided with a through hole so that the tail fiber in the adapter unit 102 enters the welding unit 103 through the through hole.
In practical application, an optical fiber connected to the host device is firstly wound around the fiber winding frame 3, and then is connected to the first end of the adapter mounted on the adapter unit 102 through the fiber guiding lug 104, the second end of the adapter is connected to the tail fiber, and the tail fiber enters the welding unit 103 through the through hole on the welding unit 103 after being wound around the arc-shaped structure of the adapter unit 102. The fiber optic cable enters the fusion unit 103 through the gaps on both sides of the fusion unit 103. The pigtail is fusion spliced with the optical fiber in the home cable and fixed in the fiber card slot on the fusion splicing unit 103. Thus, the wiring function of the fusion-bonding integrated unit case 1 is realized.
In one embodiment of the present invention, as shown in fig. 11, the top cover 101 and the fiber guiding lugs 104 are mounted on the adapter unit 102, the adapter unit 102 is mounted on the welding unit 103, and the welding unit 103 is mounted on the tray 2.
Wherein, the adapter unit 102 is provided with a through hole so that the tail fiber in the adapter unit 102 enters the welding unit 103 through the through hole. A convex slide 1032 is provided on the side wall of the welding unit 103.
In practical application, the optical fiber connected to the host device is first wound around the fiber winding frame 3, and then connected to the first end of the adapter mounted on the adapter unit 102 through the fiber guiding lug 104, the second end of the adapter is connected to the tail fiber, and the tail fiber enters the fusion unit 103 through the through hole on the adapter unit 102 after winding around the arc-shaped structure of the adapter unit 102, as shown in fig. 16. The fiber optic cable enters the fusion unit 103 through the gaps on both sides of the fusion unit 103. The pigtail is fusion spliced with the optical fiber in the home cable and fixed in the fiber card slot on the fusion splicing unit 103. Thus, the wiring function of the fusion-bonding integrated unit case 1 is realized.
In one possible implementation, a second catch 1021 is provided on an edge of the adapter unit 102, the second catch 1021 catching on the top cover 101.
The second hooks 1021 may be hook-shaped cantilever hooks, and the number of the second hooks 1021 may be 2.
In the solution shown in the embodiment of the present application, as shown in fig. 12, two opposite edges of the adapter unit 102 are respectively provided with a second fastener 1021, and two opposite inclined surfaces of the two second fasteners 1021 are insertion surfaces of the second fasteners 1021.
When the top cover 101 is installed, the top cover 101 is pressed down from top to bottom, the side wall of the top cover 101 slides downwards along the insertion surface of the second buckles 1021, and under the action of pressure, the two second buckles 1021 are elastically deformed and stretched. Finally, the side wall of the top cover 101 is separated from the insertion surface of the second catch 1021, the second catch 1021 is restored to its original shape, the holding surface of the second catch 1021 is in contact with the outer surface of the top cover 101, and the clamping between the top cover 101 and the adapter unit 102 is completed. The portion of the adapter unit 102 that engages with the second latch 1021 is provided with a groove. The second buckle 1021 is clamped at the bottom of the groove.
When the top cover 1 is clamped with the adapter unit 102, other locking fittings (such as screws) are not needed, the number of components of the optical fiber distribution frame is reduced, and the loss of some locking fittings with smaller sizes is prevented. And, the connected mode of joint need not other instruments when the dismouting, and the installer can be very light installation and dismantlement, and is very convenient. And the cost is saved by the clamping connection mode.
Meanwhile, in order to facilitate positioning during installation, a notch is further formed in the top cover 101, a protrusion is arranged on the adapter unit 102, the protrusion is matched with the notch in shape and size, and when the top cover 101 is installed, the protrusion is inserted into the notch, so that the top cover 101 is limited from shaking.
In one possible implementation, the first edge of the welding unit 103 and the first edge of the adapter unit 102 are hinged by a pin; a clamping hole 1022 is formed in the second edge of the adapter unit 102, a third buckle 1031 is formed in the second edge of the welding unit 103, and the shapes and positions of the third buckle 1031 and the clamping hole 1022 are matched; the first and second edges of the adapter unit 102 are opposite edges, and the first and second edges of the welding unit 103 are opposite edges.
The third hooks 1031 may be hook-shaped cantilever hooks, the locking holes 1022 may be rectangular through holes, and the number of the third hooks 1031 and the locking holes 1022 may be 1.
In the solution shown in the embodiment of the present application, as shown in fig. 13, a third buckle 1031 is disposed on a second edge of the welding unit 103, and an outward inclined surface of the third buckle 1031 is an insertion surface of the third buckle 1031. As shown in fig. 14, a first edge of the adapter unit 102 is provided with a rotation shaft, and a first edge of the welding unit 103 is provided with a rotation shaft engaging groove.
When mounting, the rotating shaft of the adapter unit 102 is first inserted into the rotating shaft slot of the welding unit 103, so that the adapter unit 102 and the welding unit 103 can rotate around the rotating shaft. Then, the angle between the adapter unit 102 and the welding unit 103 is continuously decreased, the inner wall of the chucking hole 1022 contacts the insertion surface of the third chucking 1031, the angle between the two is continuously decreased, the inner wall of the chucking hole 1022 slides downward along the insertion surface below the third chucking 1031, and the third chucking 1031 is elastically deformed by the pressure. Finally, the inner wall of the catching hole 1022 is separated from the insertion surface of the third catch 1031, the third catch 1031 is restored to its original state, the holding surface of the third catch 1031 is brought into contact with the surface of the welding unit 103, and the clamping between the welding unit 103 and the adapter unit 102 is completed.
When the adapter unit 102 and the fusion splicing unit 103 are clamped, other locking fittings (such as screws) are not needed, the number of components of the optical fiber distribution frame is reduced, and the loss of some locking fittings with smaller sizes is prevented. And, the connected mode of joint need not other instruments when the dismouting, and the installer can be very light installation and dismantlement, and is very convenient. And the cost is saved by the clamping connection mode.
In a possible implementation manner, the adapter unit 102 is provided with opposite fiber-running lug grooves 1023 and a fourth buckle 1024, and the fourth buckle 1024 is located between the two fiber-running lug grooves 1023; the first edge and the second edge of the mounting plate of the fiber-moving lug 104 are respectively arranged in the two fiber-moving lug grooves 1023, and the fourth buckle 1024 is clamped on the third edge of the mounting plate of the fiber-moving lug 104.
Wherein, the fourth catch 1024 may be a hook-shaped cantilever catch.
In the embodiment of the present application, as shown in fig. 15, the adapter unit 102 includes two sets of fiber-routing lug grooves 1023, and each set of fiber-routing lug grooves 1023 includes two opposite fiber-routing lug grooves 1023. The inclined surface on the fourth buckle 1024 is an insertion surface.
The presence of the two sets of routing lug recesses 1023 allows the routing lugs 104 to have two mounting positions, and the specific mounting positions of the routing lugs 104 can be determined by the installer based on the type of optical fiber connected to the first end of the adapter. When the turning radius requirement of the optical fiber connected with the first end of the adapter is larger (such as a long-tail optical fiber), the fiber-moving lugs 104 are arranged in the outer group of fiber-moving lug grooves 1023 to meet the requirement of the larger turning radius of the optical fiber; when the turning radius of the optical fiber connected to the first end of the adapter is required to be small (such as a short-tail optical fiber or an ultra-short tail optical fiber), the fiber routing lugs 104 are mounted in the inner set of fiber routing lug grooves 1023, so that the optical distribution frame has a small external size.
When the fiber moving hanging lug 104 is installed, the installation position of the fiber moving hanging lug 104 is selected, the installation plate of the fiber moving hanging lug 104 is aligned with the selected fiber moving hanging lug groove 1023, the installation plate of the fiber moving hanging lug 104 is pressed down from top to bottom, firstly contacts with the fourth buckle 1024 and then slides downwards along the insertion surface of the fourth buckle 1024, the fourth buckle 1024 is elastically deformed under the action of pressure, the fiber moving hanging lug 104 continues to slide downwards along the fiber moving hanging lug groove 1023, finally, the installation plate of the fiber moving hanging lug 104 is separated from the insertion surface of the fourth buckle 1024, the fourth buckle 1024 is restored to the original state, and the holding surface of the fourth buckle 1024 contacts with the third edge of the installation plate. The mounting plate of the fiber-moving lug 104 is clamped in the fiber-moving lug groove 1023 by the fourth buckle 1024.
Based on the fourth buckle 1024, the fiber-moving lug 104 can be firmly installed in the fiber-moving lug groove 1023, and the possibility that the fiber-moving lug 104 is separated from the fiber-moving lug groove 1023 due to vibration can be reduced.
In this application embodiment, when the in-service use optical fiber distribution frame, at first, with the copper line mould strip among the existing main distribution frame demolish partly (as shown in fig. 2), then at the mould strip shelf location optical fiber distribution frame (as shown in fig. 3) of demolising copper line mould strip, remaining copper line mould strip still can realize the function of copper line distribution, the function of optical fiber distribution can be realized to the optical fiber distribution frame that increases, thereby, make the main distribution frame of installation optical fiber distribution frame have copper line distribution and optical fiber distribution's function concurrently.
Because when installing optical fiber distribution frame, only need demolish copper line mould strip, and need not to demolish the mould strip support, consequently, to the main distribution frame who uses integral mould strip support and split type mould strip support, all can be under the prerequisite that remains partly copper line mould strip, installation optical fiber distribution frame. Therefore, copper wire service is not abandoned for realizing the optical fiber wiring function, and the scene of optical copper mixing can be met.
The embodiment of the application provides a main distribution frame, main distribution frame includes rack, mould strip support, copper line mould strip and preceding arbitrary any optical fiber distribution frame, wherein: the mould strip support is fixed in the rack, and copper line mould strip and fiber distribution frame are installed on the mould strip support.
The copper wire modular strip refers to a device for copper wire wiring. The mould strip support can be an integral mould strip support or a split mould strip support.
The scheme shown in the embodiment of the application installs a set of optical fiber distribution frame on a module strip support, installs on the optical fiber distribution frame that is located the both ends of this set of optical fiber distribution frame around fine frame 3 to these two convex surfaces that wind fine frame 3's arc 301 face towards mutually back mutually, can not be provided with on the remaining optical fiber distribution frame around fine frame 3.
The two arc plates 301 of the fiber winding frame 3 can wind multiple circles of optical fibers connected with the main equipment. Therefore, the optical fiber with the excessive length is wound and stored on the optical fiber distribution frame, namely the optical fiber distribution frame realizes the self-winding of the optical fiber. The presence of the curved plate 301 prevents the fiber from turning too small of a radius and causing significant light loss.
The above description is only one embodiment of the present application and should not be taken as limiting the present application, and any modifications, equivalents, improvements, etc. made within the principle of the present application should be included in the protection scope of the present application.

Claims (13)

  1. An optical fibre distribution frame, characterized in that it comprises a fusion-assembled integrated unit box 1 and a tray 2, wherein:
    the fusion-matching integrated unit box 1 is arranged on the tray 2;
    the tray 2 is provided with a structure for fixing the mold strip bracket on the machine cabinet.
  2. Optical fibre distribution frame as claimed in claim 1, wherein the trays 2 are provided with clamping slots 201 on both sides, the clamping slots 201 being adapted to be fixed to a mould strip support on a cabinet.
  3. Optical fibre distribution frame according to claim 1, characterised in that it further comprises a winding frame 3, the winding frame 3 being mounted on the tray 2;
    the winding frame 3 has an arc 301, and the arc 301 is used for winding the optical fiber.
  4. Optical fibre distribution frame as claimed in claim 3, wherein the tray 2 is provided with two opposite cradle grooves 202 and a first catch 203, the first catch 203 being located between the two cradle grooves 202;
    the first edge and the second edge of the mounting plate of the fiber winding frame 3 are respectively arranged in the two fiber winding frame grooves 202, and the first buckle 203 is clamped on the third edge of the mounting plate of the fiber winding frame 3.
  5. Optical fibre distribution frame as claimed in claim 1, characterised in that the fusion-spliced integrated unit cassette 1 comprises a top cover 101, an adapter unit 102, a fusion splicing unit 103 and a fibre routing lug 104.
  6. Optical fibre distribution frame as claimed in claim 5, wherein the top cover 101 is mounted on a splice unit 103, the splice unit 103 and the fibre routing lugs 104 are mounted on an adapter unit 102, the adapter unit 102 being mounted on the tray 2.
  7. Optical fibre distribution frame as claimed in claim 5, wherein the top cover 101 and the routing lugs 104 are mounted on an adapter unit 102, the adapter unit 102 being mounted on a fusion splice unit 103, the fusion splice unit 103 being mounted on the tray 2.
  8. Optical fibre distribution frame as claimed in claim 7, wherein second catches 1021 are provided on the edge of the adapter unit 102, the second catches 1021 catching on the top cover 101.
  9. Optical fibre distribution frame as claimed in claim 7, wherein the first edge of the fusion splice unit 103 and the first edge of the adapter unit 102 are hinged by a pin;
    a clamping hole 1022 is formed in the second edge of the adapter unit 102, a third buckle 1031 is formed in the second edge of the welding unit 103, and the shapes and positions of the third buckle 1031 and the clamping hole 1022 are matched;
    the first and second edges of the adapter unit 102 are opposite edges, and the first and second edges of the welding unit 103 are opposite edges.
  10. The fiber distribution frame of claim 7, wherein the adapter unit 102 has two opposing fiber routing lug recesses 1023 and a fourth catch 1024, the fourth catch 1024 being located between the two fiber routing lug recesses 1023;
    the first edge and the second edge of the mounting plate of the fiber-moving lug 104 are respectively arranged in the two fiber-moving lug grooves 1023, and the fourth buckle 1024 is clamped on the third edge of the mounting plate of the fiber-moving lug 104.
  11. Optical fibre distribution frame as claimed in claim 1, wherein the tray 2 is provided with a ramp structure 204 on the inner wall, and the side walls of the fused integrated unit box 1 are provided with a raised slide 1032, the slide 1032 cooperating with the ramp structure 204, the slide 1032 being mounted in the ramp structure 204.
  12. Optical fibre distribution frame as claimed in claim 11 wherein the ramp structures 204 are provided with projections and the slide 1032 is provided with recesses, the recesses and the projections being of matching shape, size and position;
    and the fusion-assembling integrated unit box 1 and the tray 2 are clamped and connected through the bulges and the grooves.
  13. A main distribution frame comprising a cabinet, mold bar brackets, copper wire mold bars, and the optical fiber distribution frame of any of claims 1-12, wherein:
    the mould strip support is fixed in the cabinet, and the copper wire mould strip and the optical fiber distribution frame are installed on the mould strip support.
CN201880090777.8A 2018-12-28 2018-12-28 Optical fiber distribution frame and main distribution frame Active CN111819484B (en)

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PCT/CN2018/124893 WO2020133220A1 (en) 2018-12-28 2018-12-28 Optical distribution frame and main distribution frame

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CN116793269B (en) * 2023-08-22 2023-12-29 国网江苏省电力有限公司南通供电分公司 Intelligent monitoring device for optical fiber wiring robot

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