RU203156U1 - Optical splitter module housing - Google Patents

Abstract

The housing of the optical splitter module refers to optical fiber communication lines, it is intended for use mainly in distribution terminals providing subscribers with access points to the optical communication line, and in this regard, the housing is intended to accommodate optical signal distribution components in such optical networks that allow the use of a continuous range wavelengths in the range of 1260-1650 nm. The housing can be used separately from other blocks of optical splitters (modules), as well as together with them, forming modular terminals of splitters. The housing of the module contains a cover, a base with a bottom, a front wall with openings in it for installing optical connector adapters, a back wall with an adjacent to it with an element for installing an optical splitter and two side walls. In the bottom of the base, on its outer side, there is a rounded positioning groove, which has an opening located on the side of the rear wall for input and output of the input cable of the optical splitter. The depth of the rounded positioning groove is greater than the diameter of the optical splitter input cord, with the cord recessed into the groove and flush with the base plane.

Description

The housing of the optical splitter module belongs to fiber-optic communication lines, it is intended for use mainly in distribution terminals providing subscribers with access points to the optical communication line, and in this regard, the housing is intended to accommodate optical signal distribution components in such optical networks that allow the use of a continuous range wavelengths in the range of 1260-1650 nm. The housing can be used separately from other optical splitter blocks (modules), as well as in conjunction with them, forming modular splitter terminals. The housing of the module refers to communication technology and can be used in devices that are used in the construction of a communication network in residential high-rise buildings, such modules can be placed in sleeves for optical cables, optical distribution boxes, in other communication equipment or can be connected to internal fiber distribution devices -optical communication cables of the general network of the provider.

Known modular optical splitters containing a housing and located in it the components of the splitters (Product Catalog 2015, issue 2. ZAO Svyazstroydetal).

Known cases of optical splitter blocks used separately or as part of other similar housings of modular design, or as part of terminals formed by a plurality of optical splitter modules (RU 171105 U1, 05/22/2017. RU 2717137 C1, 03/18/2020. RU 2624405 C2, 03.07 .2016. RU 2556868 C1, 20.07.2015. CN 210376813 U, 2020-04-21. KR 20150093943 A, 2015-08-19. JP 2020522747 A, 2020-07-30. US2016313528 A1, 2016-10-27. CN211206900 U, 2020-08-07. DE 102009008068 A1, 2010-08-19. US2006165366 A1, 2006-07-27. JP 201012597 A, 2010-06-03. US 77660984 B2, 2010-07-20. US 2007189692 A1, 2007-08-16).

Known is a fiber-optic distribution terminal containing an interfloor cable, a base defining a channel through which an interfloor cable can be inserted, and the channel defines a wiring section where access to the fiber optic guide of an interfloor cable is provided and where it can be brought to the base, while the base contains an attachment area made with the possibility of fixing the fiber-optic base adapter, while the fiber-optic base adapter is located in the base attachment area, while the short flexible lead is spliced with the fiber-optic fiber of the interfloor cable by a permanent connection in the base cable area, while the short flexible lead contains an end with a connector, inserted into one of the ports of the fiber optic adapter of the base, while the output connector is configured to connect to the end with the short flexible output connector through the fiber optic adapter of the base to provide an outlet for servicing an individual subscriber, while the splitter is complete with the ability to be used as an output connector, while the splitter contains several outputs, each of which contains a fiber-optic output connector connected to a fiber-optic base adapter, while the splitter contains an input containing a fiber-optic input connector for insertion into a fiber-optic base adapter (RU 170725 U1 , 05/04/2017).

A splitter is known, which contains a splitter body having a front and a rear part, the rear part is parallel to the front part and is configured to be mounted on a fiber optic distribution terminal, while the splitter has a plurality of outputs located in the front part and containing fiber optic output adapters located in splitter body and oriented to run substantially parallel to the front, the splitter has an input located at the rear and containing a fiber optic input connector located in the splitter body and oriented to run parallel to the rear, the input protruding from the surface of the rear and located for mating with the connector of the fiber-optic distribution terminal in the position when the splitter body is mounted on the fiber-optic distribution terminal, while the input and output are oriented in opposite directions (RU 181686 U1, 26.07.2018).

Known is a device for feeding an optical fiber into a house, containing a splice means, an optical signal separation module, while an optical cable input, an optical cable output, a splice point and an adapter are deployed in the splice area, the splitting module includes an access point, a splitter and N output ports , where N is a positive integer, not less than two, while the separation module is installed above the splice area by connecting the external port of the access point to the external port of the adapter, and when installing the fiber feed device into the house, the optical cable is sequentially passed through the optical cable input and optical output cable, and the optical cable crosses the splice area, and then the first fiber of the optical cable is separated from the part of the optical cable between the inlet of the optical cable and the outlet of the optical cable; wherein the first fiber is spliced with the first end of the second fiber for entering the house using a splice point, and the second end of the second fiber is connected to the internal port of the adapter, while the internal port of the access point is connected to the first end of the third fiber for entering the house, the first end of the splitter is connected with the second end of the third fiber, the second end of the separator is connected to the first end of each of the fourth fibers for supplying the house, and each of the output ports is connected to the second end of each of the fourth fibers (RU 2624405 C2, 03.07.2017). This device is mounted in an optical splitter module case, which contains a base with a bottom, front, rear and side walls, and a cover, while the case has openings for installing optical connector adapters of the optical splitter output ends.

A splitter module is known, the design of which consists of a quick-detachable base, closed with a lid and having fastening elements, where an optical splitter is installed with a division ratio of 1: 4 or 1: 8, the splitter is terminated on both sides using optical fiber with optical connectors, while the module has adapters , serving to connect consumers in the event of an increase in the subscriber base, also an adapter or for input of an optical signal, and the components of the module are mounted in a housing that consists of a base, a cover, at least one optical splitter dividing the input optical signal into several output signals, in in particular for four or eight signals, while the module has optical connectors that transmit an optical signal through adapters to the addresses of subscribers, an adapter and an optical connector that serve to input an optical signal through a patchcord or through a pigtail, and the signal is introduced into the base through the module input and fed to splitter optical (RU 2556886 C1, 20.07.2015).

The closest to the module housing presented in this description is a known splitter module containing a housing in which an optical signal divider and a plurality of adapter assemblies are located, each adapter assembly containing an adapter and a connector connected to the output of the optical signal divider by means of a corresponding optical fiber, a connector for connection to the provider's network, located outside the housing and connected to the input of the optical signal splitter by means of an optical fiber entering the housing, the housing cover installed and fixed to the housing, with grooves on the cover for positioning the optical fiber entering the housing and connected to the input an optical signal divider, and the side wall of the housing cover contains slots for inserting optical fiber into the housing, communicating with the corresponding positioning grooves on the housing cover (RU 191609 U1, 04.15.2019 - prototype).

In the prototype, the housing of the optical splitter module has common features with the utility model presented in this description. Such features include: an optical splitter housing containing a base with a bottom, front, rear and side walls, and a cover, while openings are made in the front wall of the base for installing adapters for optical connectors of the output ends of the optical splitter, and a fastening element is made near the rear wall for placement of the optical splitter, while grooves are made on the cover for positioning the optical fiber entering the housing and connected to the input of the optical signal splitter, the side wall of the housing cover contains slots for inserting the optical fiber into the housing, communicating with the corresponding positioning grooves on the housing cover.

The prototype has grooves for positioning the optical cord of the splitter input, which are located on the cover of the device. When the device is mounted, the input cable of the optical splitter, laid in the groove of the cover, makes it difficult to remove the cover during preventive access to the splitter and optical adapters installed inside the case without disconnecting the device from the mains. Careless removal of the cover may damage the input cable of the optical splitter, which results in a significant loss of time and laboriousness for installation work.

The technical result of the utility model presented in this description is to reduce the labor intensity of installation work by simplifying the laying of the splitter input optical cable coming out of the base of the device.

The technical result is obtained by a housing of an optical splitter module containing a cover, a base with a bottom, a front wall with openings in it for installing optical connector adapters, a rear wall with an adjacent element for installing an optical splitter and two side walls, and in the bottom of the base on its outer to the side there is a rounded positioning groove having an opening on the rear wall side for the input and output of the input cable of the optical splitter.

The depth of the rounded positioning groove is greater than the diameter of the splitter input optical cord located in it, while the cord is recessed into the groove and is flush with the base plane.

FIG. 1 shows a perspective view of the case of an optical splitter module with a rounded groove in the bottom and a straight groove located on the side wall, top view.

FIG. 2 - case of the optical splitter module, top view.

FIG. 3 - the base of the case in perspective, top view.

FIG. 4 - the housing cover in perspective, top view.

FIG. 5 - the module body in perspective, bottom view.

FIG. 6 - body of the optical splitter block in perspective view, bottom view.

FIG. 7 is a bottom perspective view of the housing cover.

FIG. 8 - the module case in the working position, in the straight groove of which the optical splitter input cord is located.

FIG. 9 - housing of the optical splitter module in the working position, in the rounded groove of which the input cord of the optical splitter is located.

FIG. 10 shows a plurality of cases of optical splitter modules, which are interconnected in a block of optical splitter modules (the ends of the optical splitters are located in the straight grooves of the cases).

FIG. 11 shows a plurality of optical splitter modules, the housings of which are interconnected to form an optical splitter terminal (the ends of the optical splitters are located in the rounded grooves of the housings).

FIG. 12 - case of the optical splitter module, assembled with a splitter, output and input cords of the splitter and adapters (the case cover is removed).

For the convenience of reading the drawings and the text of the description of the housing, below is a list of the names of the elements of the housing with the positions that correspond to the positions indicated in the text of the description and in the drawings.

1. Base of the module housing.

2. The bottom of the module base.

3. Rotary rounded bottom groove.

4. Aperture for installing optical adapters.

5. Hole for fasteners.

6. Positioning element of the housing.

7. Front wall of the base.

8. Right side wall of the base.

9. Left side wall of the base.

10. Back wall of the base.

11. Circular groove in the bottom of the base.

12. Straight groove in the bottom of the base.

13. Element for fastening the cover latch to the base.

14. Corner opening of the base.

15. Fixing element of the splitter at the base.

16. Cover of the module housing.

17. Element for fastening the cover to the body.

18. Positioning element of the cover.

19. Shaped lid protrusion.

20. Hole of the cover for the output of the optical splitter input cord.

21. Optical cord for the input of an optical splitter.

22. Optical splitter input cord connector.

23. Optical adapter.

24. Optical splitter output cord connector.

25. Optical splitter output cords.

26. Optical splitter.

The body of the optical splitter (Fig. 1) includes a base 1, a cover 16 (Fig. 5), the base is formed by a bottom 2, a front wall 7 with openings 4 in it for installation in the openings of adapters of optical connectors - adapters 23, while the base is also formed by the rear wall 10 with adjacent fastening elements of the splitter 15. Also, the base 1 of the body has two side walls 8 and 9.

In the bottom 2 of the base 1 there are holes 5 for fastening elements of the housing and positioning elements of the housing 6 (Figs. 1 and 2). On the side walls of the base there are elements 13 for fastening the elements 17 of the cover 16 (Figs. 3, 4).

An angular opening 14 (Figs. 3 and 5) is made between the side wall 8 and the rear wall 10 in the base, into which the shaped protrusion 19 of the cover 16 (Fig. 7) enters. Positioning elements 18 are made on the outer surface of the cover 16 (Fig. 4). On the side surfaces of the lid there are elements 17 (latches) of the lid. In the figured protrusion 19 (Fig. 7) of the cover 16, an opening 20 is made in the form of a groove for the exit of the cord for the input of the optical splitter and for the passage of the optical cord 21 (Fig. 8) for the output of the optical splitter 26 (Fig. 12).

In the bottom 2 of the base 1 (Fig. 1), parallel to its plane, a rotary groove 3 is made, which has a rounded shape and a straight groove 12 (Fig. 2). The depth of the rounded positioning groove is equal to or greater than the diameter of the splitter input optical cord located therein by an amount that allows the cord 21 to be recessed in the groove flush with the base plane. In this case, another groove 12 (Fig. 2) is deepened in the bottom wall and borders on the corner opening 14 of the base (Fig. 6), which is oriented (open) mainly towards the rear wall 10 and the passage 20 of the cover 16 (Fig. 7, 8) ... The hole 20 serves to lead the input cable of the splitter from the housing to the outside.

The cord 21 enters the beginning of the groove 12 (Fig. 9) of the base 2 and then fits either in the continuation of the straight groove 12 (Fig. 10) or in the curved rounded groove 3 (Fig. 8, 9). As a result, the required safe bend radius of the cord 21 is structurally provided. Also, the bend of the cord 21 is within the dimensions of the body, which prevents its damage when manipulated during installation work (Figs. 11, 12).

The housing for the optical splitter is designed to accommodate an optical splitter 26 (Fig. 12), at the ends of the input cord 21 and the output cord 25 of which there are sockets, connectors 22 and 24, respectively. The connectors of the cords of the output 25 of the splitter 26 are connected to the optical adapters 23. The cord 21 of the input of the splitter is brought out through the corner opening 14 of the base through the hole 20 in the cover of the housing 16. The adapters 23 are arranged in a row in the openings 4 (Fig. 1) of the front wall 7 of the base of the housing 1. The optical signal is transmitted to the input of the optical splitter through the cord 21 and is fed to the consumer devices through the cords 25 of the output of the optical splitter through the adapters 23 (Fig. 12).

The optical splitter 26 is installed inside the base 1 in special fastening elements 15, the cords 25 of the splitter outlet 26 are lined with loops in the cavity of the base 1 in compliance with the standard bend radius and are connected to the adapters 23 through connectors 24. The base 1 in the working position is closed with a removable cover 16 by snapping the elements fasteners 13 and 17. The cord 21 of the splitter outlet is led out through the side opening 20 of the lid protrusion and is terminated with a connector 22 (Fig. 12).

The design of the housing assembled with a splitter and adapters allows it to be used as a separate element of the cable network, and in the form of assembled housing blocks in communication terminals. When assembling the bodies into blocks, both the direct exit of the cord 21 in the groove 12 and its turn in the rounded groove 3 is possible (Figs. 10, 11). Due to the fact that the cords 21 are completely recessed in the grooves 3 and 12, a compact assembly of blocks is achieved and damage to the cords during installation work is excluded.

The assembly of the enclosures into terminal blocks is carried out as follows. Housings assembled with a splitter and adapters are superimposed on each other and positioned relative to each other by protruding positioning elements 6 and 18 (Figs. 1-4). The assembled block of housings is connected to a device for using the block - a sleeve or a cross cabinet by means of a fastening element (not shown), which is inserted into the aligned holes 5 of the block housings (Fig. 10).

The described design of the case allows placing the optical cord in grooves that are located in the bottom of the base both in the forward direction and with a turn in the opposite direction, while changing the direction of the cord provides the ability to connect the module to other optical network devices and the ability to install several modules in a tier. to each other, regardless of the side of the device, without damaging the optical cords. The module housing allows you to remove the cover from the base for servicing the module components installed inside the housing without removing the cord from the guide grooves and damaging it. The specified features of the housing design make it possible to significantly simplify installation work and reduce their labor intensity.

Claims (2)

1. The housing of the optical splitter module, containing a cover, a base with a bottom, a front wall with openings in it for installing optical connector adapters, a rear wall with an adjacent element for installing an optical splitter and two side walls, characterized in that in the bottom of the base on its outer side is provided with a rounded positioning groove having an opening located on the side of the rear wall for the input and output of the input cable of the optical splitter. 2. The housing according to claim 1, characterized in that the depth of the rounded positioning groove is greater than the diameter of the splitter input optical cord located therein, the cord being recessed into the groove and flush with the base plane.

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