CN2585253Y

CN2585253Y - Connecting module for optical transceiver

Info

Publication number: CN2585253Y
Application number: CN 02292812
Authority: CN
Inventors: 杜国强
Original assignee: Delta Electronics Inc
Current assignee: Taida Electronic Industry Co Ltd; Delta Electronics Inc
Priority date: 2002-12-16
Filing date: 2002-12-16
Publication date: 2003-11-05
Anticipated expiration: 2012-12-16

Abstract

The utility model relates to a connecting module for an optical transceiver, which is provided with an optical transceiver connected to optical fiber connectors with different specifications. One module comprises an optical transceiver casing body of first specification and a transferring component, and the casing body is provided with a connection port of the first specification to connect with the connector with the same specification. The outer edge of the transferring component is fixedly embedded with the connection port of the first specification of the casing body, and the inner edge is the connection port of the second specification for connecting with the connector of the second specification.

Description

Light Transceiver Connection Module

Technical field

The utility model relates to a kind of optical link module, is meant the syndeton between the joints of optical fibre of a kind of SC of can be applicable to optical transceiver and SC and MU specification especially.

Background technology

At present the optical transceiver (optical transceiver) on market because each tame manufacturer formulates the specification of inequality, and presents specification confusion, incompatible situation with the joints of optical fibre (fiber connector); In other words, the light of each tame manufacturer is to become compatible one to one with the pattern of the joints of optical fibre, as habitual SC pattern of the MU (Miniature Unit) of the LC (Lucent connect) of predecessor's Bell Laboratory (Bel Lab.) of Lucnt Tech. company exploitation, NTT company and North America market or the like, the joints of optical fibre of aforementioned arbitrary type all can't be connected with the optical transceiver of other pattern.The main cause of this problem is the result of market competition, and manufacturer must be designed to the connectivity port of optical transceiver compatible own connector specification of being produced, and just is beneficial to the raising market share; But build for the optical communication equipment of rear end and fiber optic network and downstream manufacturers such as to put, caused very big puzzlement.

Though in order to improve the compatibility between optical assembly (optical device), the dealer has released breakout box (adapter) product between the different size optical assembly, for example, the MS breakout box (MU/SC adapter) of hundred emblems (Bullwill) company promptly provides the connector of plug into MU and two kinds of patterns of SC, but, even breakout box has been arranged, still suitable inconvenience in practical application.For example, in the time of be with SC connector and MU optical transceiver module, must purchase the optical cable (optical cable) that two ends have the MU connector, and a breakout box can be finished; Even the fiber optic network slip-stick artist of a specialty, also can only be loaded down with trivial details remove the SC connector, more again at the optical fiber cable termination MU connector of plugging into, prerequisite also must be that spare part, the erecting tools of all MU connectors is all complete.Therefore, put, even (breakout box obviously acts on little and can increase cost for Fiber To TheDesk, target FTTD) to table to reach optical fiber for finishing building of regional fiber optic network.

Summary of the invention

The purpose of this utility model is for a kind of Light Transceiver Connection Module is provided, and is applicable to being connected between the joints of optical fibre of SC optical transceiver and SC and MU specification.

The purpose of this utility model can realize by following measure:

A kind of Light Transceiver Connection Module, with the joints of optical fibre connection of an optical transceiver and different size, this link block comprises:

One housing is the outer cover of this optical transceiver, has first a specification connectivity port that can directly link one first specification connector; And

One adapter assembly, inner edge are the second specification connectivity port of a connection one second specification connector, and its outer rim then is mounted in the first specification connectivity port of this housing.

Described housing is combined by one first shell spare and one second shell spare.

This module also comprises one and fixes assembly, and this fixes the opposite side of assembly from this second specification connectivity port of this adapter assembly and embeds this adapter assembly of build-in.

One housing is combined by one first shell spare and one second shell spare, is the outer cover of this optical transceiver, has first a specification connectivity port that can directly link one first specification connector; And

One input end of this first specification connectivity port has a locating slot, and this adapter assembly is provided with the locating piece that one of correspondence can embed this locating slot.

The inner edge both sides of this first specification connectivity port are provided with relative groove, and this adapter assembly is provided with can be for a base plate that embeds this groove.

One end of this first shell spare is provided with this first specification connectivity port.

This first specification connectivity port outer rim is provided with a projection, and this second shell spare, one end is established a fin, offers a corresponding embedding hole that fastens this projection on this fin.

The multifiber that wraps up in the optical cable that this first specification connector and this second specification connector are plugged into is selected from the group of single-mode fiber and multimode optical fiber.

This first specification connector and this second specification connector are selected from group's combination of LC, SC, MU, ST, MTP, FJ, MT-RJ and VF-45 specification respectively.

Description of drawings

Fig. 1 is the preferred embodiment three-dimensional exploded view of Light Transceiver Connection Module provided by the utility model;

Fig. 2 is the stereo appearance figure that the preferred embodiment of Light Transceiver Connection Module provided by the utility model is applied to engage the MU connector;

Fig. 3 is the partial schematic sectional view that the preferred embodiment of Light Transceiver Connection Module provided by the utility model is applied to engage the MU connector; And

Fig. 4 is the three-dimensional system diagram that the preferred embodiment of Light Transceiver Connection Module provided by the utility model is applied to engage the SC connector.

Embodiment

At first see also Fig. 1, the Light Transceiver Connection Module 100 that preferred embodiment of the present utility model provided, be in order to allow a SC optical transceiver connect with the joints of optical fibre of SC specification and MU specification, this Light Transceiver Connection Module 100 has comprised a housing 200 as optical transceiver (figure does not show) outer cover, an adapter assembly 300 and a fixing assembly 400, wherein:

Rectangular case 200 is to be combined by the first shell spare 210 and the second shell spare 220.The front end of the first shell spare 210 (is described according to the icon direction, be a complete SC connectivity port 230 down together), input end end face in its front side has a locating slot 231, the inner edge two bottom sides of SC connectivity port 230 all is provided with groove 232, on the 230 rear end end faces of SC connectivity port, be provided with a projection 233 in addition,, do not give unnecessary details for this reason substantially with commonly used identical as for all the other structures of SC connectivity port 230; Two trips 211 stretching on the both sides of the first shell spare 210 have, its terminal one-tenth is hook-shaped, then has two draw-in grooves 212 in the rear end of the first shell spare 210.The second shell spare, 220 front ends have one protract fin 223, offer an embedding hole 224 on the fin 223, for involutory with the projection 233 of SC connectivity port 230 rear end end faces, and be provided with the corresponding rear end that fastens two draw-in grooves, 221, the second shell spares 220 of 210 two trips 211 of the first shell spare two trips 222 that can be embedded in 210 liang of draw-in grooves 212 of the first shell spare are downwards arranged then in the both sides of the second shell spare 220.

Adapter assembly 300, main body are a rectangular hollow structure, and its inner rim is a MU connectivity port 310, because other structures of adapter assembly 300 inner edges is not given unnecessary details for this reason roughly with commonly used identical; The outer rim both sides of adapter assembly 300 have the clipping block 320 of evagination, and front end is provided with side plate 330, and the bottom level is extended a base plate 340 to both sides, establish the locating piece 350 of a rectangle protuberantia in addition in the top.

Fix assembly 400, the rear end is one to have the plate body 420 of perforation 410, and it is relative hook-shaped that the front end that plate body 420 front ends have parallel two clamped arm 430, two clamped arms 430 that protract is.

More than be each element structure of the utility model preferred embodiment, and the assembling mode of the utility model when being applied to connect the MU connector, see also Fig. 2 and shown in Figure 3, be SC connectivity port 230 locating slots 231 that adapter assembly 300 aligned housing 200 first shell spares 210 with the locating piece 350 on its top, aim at two grooves 232 of SC connectivity port 230 with base plate 340 two ends, and adapter assembly 300 is embedded in the SC connectivity port 230 of housing 200 first shell spares 210, fix assembly 400 and then fill in, and form fixed with the clipping block 320 that end hooks before two clamped arm 430 are fixed in adapter assembly 300 both sides by the side in addition of SC connectivity port 230; At last, the MU connector 510 of optical cable 500 front ends can be inserted in the MU connectivity port 310 of adapter assembly 300.Certainly also need in the practical application optical fiber in the optical cable 500 520 is passed by the perforation 410 that fixes assembly 400, and with housing 200 in the optical transceiver optical sensor on the circuit board finish communications and liaison, again that the second shell spare 220 and the first shell spare 210 is fixed.

Shown in Figure 4 is the assembling mode of the utility model when being used to connect the SC connector of same specification, needn't assemble this moment and fix assembly and adapter assembly, the locating slot 231 of directly locating piece 610 of SC connector 600 being aimed at SC connectivity port 230 inserts and gets final product, its detailed interlocking mode roughly with commonly used identical, is not given unnecessary details for this reason.

What must remark additionally is, in fact adapter assembly can produce enough consolidation effects with locating slot, the groove of SC connectivity port by locating piece, base plate, and therefore fixing assembly is not imperative; In addition, even the desire utilization fixes the consolidation effect that assembly further promotes adapter assembly and SC connectivity port, also can copy the consolidation style between first, second shell spare, one caulking groove (also caulking groove can be located at the position of original clipping block) for example respectively is set on the biside plate of adapter assembly, but order extend to fix the clamped arm build-in of assembly in caulking groove, perhaps, with clamped arm and caulking groove be provided with the position intermodulation also can, disclosed so the means for mounting coupling parts of the two also is not limited to the utility model; Secondly, the mode of fixed first, second shell spare has many selections on skill commonly used, for example with the position intermodulation of draw-in groove and trip, perhaps with the position intermodulation in projection and embedding hole all can, so be not limited to the mode that present embodiment provides; Have again, no matter be that single mode (single-mode) optical fiber or multimode (multi-mode) optical fiber the utility model all are suitable for.

Under the utility model technological thought, the optical transceiver and the joints of optical fibre at different size, the utility model disclose technical scheme contained, it promptly is the first specification connectivity port corresponding to an optical transceiver housing, the adapter assembly of design one " embedded ", the outer rim of this adapter assembly then can supply the first specification connectivity port build-in with housing, and its inner rim then is the second specification connectivity port, can be in order to connect the second specification connector; When this adapter assembly is removed, still can connect the connector that is all first specification.In fact aforesaid first or second specification can be selected from LC, SC, the MU specification of mentioning in the utility model background, and other specification such as ST, MTP, FJ on the market, perhaps novel miniaturization SFF (Small-Form-Factor) specification such as MT-RJ (AMP Inc.), VF-45 (3M company).

Claims

1, a kind of Light Transceiver Connection Module, the joints of optical fibre connection with an optical transceiver and different size is characterized in that this link block comprises:

2, Light Transceiver Connection Module as claimed in claim 1 is characterized in that described housing is combined by one first shell spare and one second shell spare.

3, Light Transceiver Connection Module as claimed in claim 1 or 2 is characterized in that this module also comprises one and fixes assembly, and this fixes the opposite side of assembly from this second specification connectivity port of this adapter assembly and embeds this adapter assembly of build-in.

4, a kind of Light Transceiver Connection Module, the joints of optical fibre connection with an optical transceiver and different size is characterized in that this link block comprises:

5, Light Transceiver Connection Module as claimed in claim 4 is characterized in that an input end of this first specification connectivity port has a locating slot, and this adapter assembly is provided with the locating piece that one of correspondence can embed this locating slot.

6, Light Transceiver Connection Module as claimed in claim 4 is characterized in that the inner edge both sides of this first specification connectivity port are provided with relative groove, and this adapter assembly is provided with can be for a base plate that embeds this groove.

7, Light Transceiver Connection Module as claimed in claim 4 is characterized in that this module also comprises one and fixes assembly, and this fixes the opposite side of assembly from this second specification connectivity port of this adapter assembly and embeds this adapter assembly of build-in.

8, Light Transceiver Connection Module as claimed in claim 4 is characterized in that an end of this first shell spare is provided with this first specification connectivity port.

9, Light Transceiver Connection Module as claimed in claim 8 is characterized in that this first specification connectivity port outer rim is provided with a projection, and this second shell spare, one end is established a fin, offers a corresponding embedding hole that fastens this projection on this fin.

10, Light Transceiver Connection Module as claimed in claim 4 is characterized in that the multifiber that wraps up in the optical cable that this first specification connector and this second specification connector plugged into is selected from the group of single-mode fiber and multimode optical fiber.

11,, it is characterized in that this first specification connector and this second specification connector are selected from group's combination of LC, SC, MU, ST, MTP, FJ, MT-RJ and VF-45 specification respectively as claim 1 or 4 described Light Transceiver Connection Modules.