CN202737878U

CN202737878U - CSFP (Compact Small Form-Factor Pluggable) optical sending-receiving module based on special bi-directional optical sending-receiving assembly

Info

Publication number: CN202737878U
Application number: CN 201220313363
Authority: CN
Inventors: 廖华英
Original assignee: ADVANCED MODULETEK (SHENZHEN) Co Ltd
Current assignee: ADVANCED MODULETEK (SHENZHEN) Co Ltd
Priority date: 2012-06-29
Filing date: 2012-06-29
Publication date: 2013-02-13
Anticipated expiration: 2022-06-29

Abstract

The utility model discloses a CSFP (Compact Small Form-Factor Pluggable) optical sending-receiving module based on special bi-directional optical sending-receiving assembly and relates to an optical sending-receiving module. The structure of the CSFP (Compact Small Form-Factor Pluggable) optical sending-receiving module based on a special bi-directional optical sending-receiving assembly is that a common BOSA (bi-directional optical sending-receiving assembly) (10), a special BOSA (20), a circuit board (30) and flexible boards (40) are all arranged inside a shell (50); pins of the special BOSA (20) and the common BOSA (10) are connected with the circuit board (30) via four flexible boards (40); pads are respectively arranged on the bottom face and the top face of the circuit board (30) which is horizontally placed; one end of each flexible board (40) is connected with the pads of the circuit board (30), and the other end of the flexible board (40) is connected with the pins of two BOSA. Through arranging the special BOSA (20), volume and size of the optical transceiver module can be reduced multiple times, density and businesses throughput of the communication port can be significantly increased, production cost of the device is reduced, and broad market application prospect and economic values are provided.

Description

A kind of CSFP optical transceiver module based on special bidirectional light receiving and transmitting device

Technical field

The utility model relates to a kind of optical transceiver module, relates in particular to a kind of CSFP based on special bidirectional light receiving and transmitting device (Compact Small Form-Factor Pluggable, compactization is hot-swappable) optical transceiver module.

Background technology

Along with the raising of people's living standard, huge numbers of families have been come in the Internet, people for the bandwidth requirement of communication also at development.As the light active module embedded therein of optical communication system critical component, all obtained fast development at aspects such as volume, performances, also face new challenges.The CSFP module is with regard to because its small size, high port density and so that design realizes difficult.

As shown in Figure 1, existing SFP (Small Form-Factor Pluggable, miniaturization is hot-swappable) the encapsulation optical transceiver module is a kind of and comprises a common BOSA(bidirectional light receiving and transmitting device) 10 SFP optical transceiver module, only have the bidirectional light receiving and transmitting function of a passage; Formed by common BOSA10, circuit board 30, flexible board 40 and shell 50; Common BOSA10, circuit board 30 and flexible board 40 are installed in the inside of shell 50; The pin of common BOSA10 is connected by two flexible boards 40 with circuit board 30, is respectively arranged with pad at bottom surface and the end face of circuit board 30, and an end of flexible board 40 is connected with the pad of circuit board, and the other end of flexible board 40 is connected with the pin of common BOSA10.

Shown in Fig. 2 .1,2.2, described common BOSA10 is comprised of the 1st adapter 11,1LC lock pin 12 and the 1st base 13 that connect successively, and 1LC lock pin 12 is positioned at component internal, and outer surface does not show.

Because the overall dimension of common BOSA10 is bigger than normal, so SFP encapsulation optical transceiver module can only assemble a common BOSA10, can only realize the bidirectional transmit-receive of a passage; And can not assemble two common BOSA10, can not realize the bidirectional transmit-receive of two passages.

Present CSFP optical transceiver module is if adopt two common BOSA(usually to become 90 ° of vertical encapsulation by the parts of two similar TO-56) mode, use the SFP encapsulation, substantially can not realize; CSFP module on the market usually adopts High Density Packaging Technology to realize the miniaturization of optical device, and adopts the polylith circuit board to form optical circuit; Perhaps adopt optical waveguide technique realization high integration photon to realize that technology maturity is inadequate, cost is high.

Summary of the invention

The purpose of this utility model is exactly to overcome the shortcoming and defect that prior art exists, and a kind of CSFP optical transceiver module based on special bidirectional light receiving and transmitting device is provided.

The purpose of this utility model is achieved in that

By structure and the size of improving common BOSA, obtain a kind of special BOSA, and control the width dimensions of common BOSA receiving terminal direction, special BOSA can be positioned in the package casing with common BOSA offset, satisfy the condition of two BOSA of assembling, reach the bidirectional light receiving and transmitting function of two passages, improve exponentially volume of transmitted data.

In package casing, two BOSA are installed, i.e. a common BOSA and a special BOSA;

Specifically, the utility model comprises common BOSA, circuit board, flexible board and shell; Described common BOSA is comprised of the 1st adapter, 1LC lock pin and the 1st base that connect successively, and the 1LC lock pin is positioned at component internal, and outer surface does not show;

Be provided with special BOSA;

Common BOSA, special BOSA, circuit board and flexible board are installed in the inside of shell;

Special BOSA be connected the pin of BOSA and be connected by 4 flexible boards with circuit board, be on its bottom surface of circuit board of horizontal positioned and the end face and be respectively arranged with pad, one end of flexible board is connected with the pad of circuit board, and the other end of flexible board is connected with the pin of two kinds of BOSA.

Operation principle:

The utility model takes full advantage of the packaging technology of existing raw material and conventional device, adopt structure and the size of adjusting, improve, control optical transceiving device, and suitable assembling mode, make the position of two BOSA close, take full advantage of assembly space, structure is become compact, realize the BOSA of two passages of configuration.

The utlity model has following advantages and good effect:

1. on the basis of SFP encapsulation optical transceiver module, by structure and the size of adjusting dexterously and improve common BOSA, and adopt suitable mounting means, make the internal structure compact in design, be implemented in the situation of outline packages size constancy, increase the bidirectional optical signal transmission-receiving function of a passage;

2. design of the present utility model, layout, assembling, use etc. are all similar with existing SFP optical transceiver module, simple in structure, easy to operate.

3. the utility model by simply, cleverly optical device structural design and module package topology, reduce at double volume and the overall dimension of optical transceiver module and photosystem equipment, significantly increase communication port density and business throughput, reduce equipment cost, have wide market application foreground and economic worth.

Description of drawings

Fig. 1 is the structure explosive view of existing SFP encapsulation optical transceiver module;

Fig. 2 .1 is the structure chart (solid) of common BOSA;

Fig. 2 .2 is the structure chart (main looking) of common BOSA;

Fig. 3 .1 is structure chart of the present utility model;

Fig. 3 .2 is structure explosive view of the present utility model;

Fig. 4 .1 is the structure chart (solid) of special BOSA;

Fig. 4 .2 is the structure chart (main looking) of special BOSA;

Fig. 5 is the mounting arrangement figure of two BOSA.

Among the figure:

The common BOSA of 10-,

11-the 1st adapter, 12-1LC lock pin,

13-the 1st base, 14-the 1st receiving terminal plane;

The special BOSA of 20-,

21-the 2nd adapter, 22-2LC lock pin,

23-the 2nd base, 24-the 2nd receiving terminal plane;

The 30-circuit board;

The 40-flexible board;

The 50-shell.

Embodiment

Describe in detail below in conjunction with drawings and Examples:

1, overall

The utility model is on the basis of existing SFP encapsulation optical transceiver module, by adjusting, improve and control structure and the size of common BOSA, and suitable assembling mode, increases the bidirectional light receiving and transmitting function of a passage, realizes the exploitation of CSFP product.

Specifically:

Such as Fig. 3 .1,3.2, the utility model is a kind of CSFP optical transceiver module that comprises two kinds of BOSA, has two passage bidirectional light receiving and transmitting functions, is comprised of common BOSA10, special BOSA20, circuit board 30, flexible board 40 and shell 50;

Common BOSA10, special BOSA 20, circuit board 30 and flexible board 40 are installed in the inside of shell 50;

Special BOSA20 be connected the pin of BOSA10 and be connected by 4 flexible boards 40 with circuit board 30, be on circuit board 30 its bottom surfaces of horizontal positioned and the end face and be respectively arranged with pad, one end of flexible board 40 is connected with the pad of circuit board 30, and the other end of flexible board 40 is connected with the pin of two kinds of BOSA.

2, functional part

1) common BOSA10

Such as Fig. 3 .1,3.2, common BOSA10 is comprised of the 1st adapter 11,1LC lock pin 12 and the 1st base 13 that connect successively, and 1LC lock pin 12 is positioned at component internal, and outer surface does not show.

Control the size L2 on the 1st receiving terminal plane 14 of common BOSA10, can be close with the installation site of special BOSA20.

2) special BOSA20

Such as Fig. 4 .1,4.2, special BOSA20 is comprised of the 2nd adapter 21,2LC lock pin 22 and the 2nd base 23 that connect successively;

The structure of the 2nd adapter 21 is with the 1st adapter 11;

2LC lock pin 22 is on the basis of 1LC lock pin 12 size to be lengthened, and extends to outer surface as seen, makes to form a segment distance between the 2nd adapter 21 and the 2nd base 23, namely moves behind the rigging position of the 2nd base 23, can stagger with the 1st base 13 positions;

The 2nd base 23 is identical with the structure of the 1st base 13.

2LC lock pin 22 sizes of special BOSA20 are lengthened, extend to outer surface as seen, be positioned in the middle of the 2nd adapter 21 and the 2nd base 23, make to form a segment distance (L1 size) between the 2nd adapter 2121 and the 2nd base 23, the 2nd base 23 can be staggered with the 1st base 13 installation sites of common BOSA10.Control the L1 size of special BOSA20, can be close with the installation site of common BOSA10.

3) common BOSA10 and special BOSA20

Such as Fig. 5, the receiving terminal plane 24 of special BOSA20 is aspectant direction with the receiving terminal plane 14 of common BOSA and places.

The design of the utility model CSFP optical transceiver module, layout, assembling, use etc. are all similar with existing SFP optical transceiver module, simple in structure, easy to operate.

Claims

1. the CSFP optical transceiver module based on special bidirectional light receiving and transmitting device comprises common BOSA(10), circuit board (30), flexible board (40) and shell (50); Described common BOSA(10) be comprised of the 1st adapter (11), 1LC lock pin (12) and the 1st base (13) that connect successively, 1LC lock pin (12) is positioned at component internal, and outer surface does not show;

It is characterized in that:

Be provided with special BOSA(20);

Common BOSA(10), special BOSA(20), circuit board (30) and flexible board (40) are installed in the inside of shell (50);

Special BOSA(20) be connected BOSA(10) pin be connected by 4 flexible boards (40) with circuit board (30), be on its bottom surface of circuit board (30) of horizontal positioned and the end face and be respectively arranged with pad, one end of flexible board (40) is connected with the pad of circuit board (30), and the other end of flexible board (40) is connected with the pin of two kinds of BOSA.

2. by a kind of CSFP optical transceiver module based on special bidirectional light receiving and transmitting device claimed in claim 1, it is characterized in that:

Described special BOSA(20) formed by the 2nd adapter (21), 2LC lock pin (22) and the 2nd base (23) that connect successively;

The structure of the 2nd adapter (21) is with the 1st adapter (11);

2LC lock pin (22) is on the basis of 1LC lock pin (12) size to be lengthened, extend to outer surface as seen, make to form a segment distance between the 2nd adapter (21) and the 2nd base (23), namely move behind the rigging position of the 2nd base (23), can stagger with the 1st base (13) position;

The 2nd base (23) is identical with the structure of the 1st base (13).

3. by a kind of CSFP optical transceiver module based on special bidirectional light receiving and transmitting device claimed in claim 1, it is characterized in that:

Special BOSA(20) receiving terminal plane (24) is aspectant direction with the receiving terminal plane (14) of common BOSA and places.