CN204314510U - Realize the QSFP+ optical-electric module of data efficient transmission - Google Patents

Abstract

The utility model relates to a QSFP+ photoelectric module for realizing efficient data transmission, comprising a metal shell, two single-fiber bidirectional devices, a printed circuit board and two flexible circuit boards; the two single-fiber bidirectional devices are both arranged on Inside the metal casing, the printed circuit board is provided with an integrated chip, one end of which is exposed to the metal casing, and the other end is arranged inside the metal casing, and is connected to the two flexible circuit boards respectively through the two flexible circuit boards. Two single-fiber bidirectional devices are connected; wherein, the structures of the two single-fiber bidirectional devices are the same. The QSFP+ photoelectric module that realizes high-efficiency data transmission can increase the throughput of data compared with the traditional one through the above structure, while not increasing the number of optical fibers used, reducing the difficulty of later system maintenance and reducing construction costs.

Description

QSFP+ photoelectric module for efficient data transmission

technical field

The utility model relates to a photoelectric module, in particular to a QSFP+ photoelectric module for realizing efficient data transmission.

Background technique

With the promotion of 3G and 4G networks, users have higher and higher demands on network bandwidth, and the data throughput of the system needs to be improved sharply, especially in data centers, the demand for increasing bandwidth is more urgent.

At present, based on the existing mature technology, most of the methods to improve the system data throughput are to increase the transmission capacity by adding system ports (that is, adding photoelectric modules), but all have the following disadvantages: the system is bloated and the volume becomes larger; power consumption The amount of optical fiber used doubles, which increases the cost; the speed of system fault finding is seriously reduced, and the difficulty of later maintenance is increased.

Therefore, it is necessary to design a QSFP+ photoelectric module that realizes efficient data transmission to overcome the above problems.

Utility model content

The purpose of the utility model is to overcome the defects of the prior art and provide a QSFP+ photoelectric module that realizes high-efficiency data transmission. Its data throughput is increased compared with the traditional one, and it can reduce the difficulty of later-stage system maintenance and reduce construction costs.

The utility model is achieved in that:

The utility model provides a QSFP+ photoelectric module for realizing high-efficiency data transmission, which includes a metal shell, two single-fiber bidirectional devices, a printed circuit board and two flexible circuit boards; the two single-fiber bidirectional devices are located on Inside the metal casing, the printed circuit board is provided with an integrated chip, one end of which is exposed to the metal casing, and the other end is arranged inside the metal casing, and is connected to the two flexible circuit boards respectively through the two flexible circuit boards. Two single-fiber bidirectional devices are connected; wherein, the structures of the two single-fiber bidirectional devices are the same.

Further, the metal shell is molded by pouring, and two grooves are arranged inside, and the two single-fiber bidirectional devices are respectively installed in the two grooves.

Further, two single-fiber bidirectional devices are arranged side by side.

Further, a golden finger is provided at one end of the printed circuit board exposed from the metal casing.

Further, the metal shell includes a lower shell and a metal upper cover, the metal upper cover is fixed on the lower shell, and covers the two single-fiber bidirectional devices together with the lower shell , the printed circuit board and the two flexible circuit boards.

Further, the four corners of the metal upper cover are respectively fixed to the lower case by a screw.

Further, a metal pull ring is provided at the end of the metal shell away from the printed circuit board.

The utility model has the following beneficial effects:

The printed circuit board is provided with an integrated chip, one end of which is exposed to the metal casing, and the other end is arranged inside the metal casing, and is bidirectionally connected to the two single-fiber through the two flexible circuit boards. Device connection, the structure of the two single-fiber bidirectional devices is the same, so the data throughput of the QSFP+ photoelectric module that realizes efficient data transmission is increased compared with the traditional one, and the number of optical fibers used is not increased at the same time, which reduces the difficulty of later system maintenance , to reduce construction costs.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the present utility model, and those skilled in the art can also obtain other drawings according to these drawings without creative work.

Fig. 1 is a partial structural schematic diagram of a QSFP+ photoelectric module that realizes efficient data transmission provided by an embodiment of the present invention;

Fig. 2 is a structural schematic diagram of the metal upper cover provided by the embodiment of the present invention;

Fig. 3 is an assembly diagram of a QSFP+ optoelectronic module that realizes efficient data transmission provided by an embodiment of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As shown in Figures 1 to 3, the embodiment of the utility model provides a QSFP+ photoelectric module for efficient data transmission, including a metal shell 5, two single-fiber bidirectional devices 2 (BOSA for short), a printed circuit board 4 and Two flexible circuit boards3.

As shown in Figures 1 to 3, the two single-fiber bidirectional devices 2 are all arranged inside the metal casing 5, and the printed circuit board 4 is provided with an integrated chip, one end of which is exposed to the metal casing 5, and the other One end is arranged inside the metal casing 5 and connected to the two single-fiber bidirectional devices 2 respectively through the two flexible circuit boards 3 , wherein the two single-fiber bidirectional devices 2 have the same structure. The single-fiber bidirectional device 2 is controlled by the circuit on the printed circuit board 4 and the integrated chip to realize the transmission of data signals, wherein the integrated chip can simultaneously transmit the transmitting signal and the receiving signal.

As shown in FIGS. 1 to 3 , the single-fiber bidirectional device 2 includes one transmission channel and one reception channel, and the full-duplex operation of transmission and reception can be realized through one optical fiber. The QSFP+ photoelectric module that realizes efficient data transmission includes two single-fiber bidirectional devices 2, that is, includes two transmitting channels and two receiving channels. Compared with traditional XFP modules (including one transmitting channel and one receiving channel), the entire network The data throughput is doubled, which is an effective solution to achieve efficient data transmission. At the same time, by selecting precise optical components, the transmission distance of the optical path is shortened, so that the entire QSFP+ photoelectric module that realizes efficient data transmission is smaller in size.

The QSFP+ photoelectric module that realizes high-efficiency data transmission has a flexible selection of transmission wavelengths, such as common 1310nm, 1490nm, and 1550nm, etc., or CWDM wavelengths, such as 1270nm, 1330nm, etc., using single-mode fiber to achieve medium-length Efficient transmission over distance; when short wavelengths such as 820nm, 850nm, 880nm, and 910nm are selected, multimode fiber is used to achieve short-distance efficient transmission.

As shown in Figures 1 to 3, in this preferred embodiment, the metal shell 5 is molded by pouring mold, and two grooves (shown in the figure, not labeled) are arranged inside, and the two single-fiber bidirectional devices 2 respectively installed in the two grooves. The two single-fiber bidirectional devices 2 are arranged side by side. Gold fingers are provided on the end of the printed circuit board 4 exposed from the metal casing 5 .

As shown in Fig. 1 to Fig. 3, the metal casing 5 includes a lower casing (shown, not labeled) and a metal upper cover 6, the metal upper cover 6 is fixed on the lower casing, and is connected with the The lower casing covers the two single-fiber bidirectional devices 2 , the printed circuit board 4 and the two flexible circuit boards 3 together. The four corners of the metal upper cover 6 are respectively fixed to the lower casing by a screw, specifically, two screw holes are respectively provided on the lower casing and the printed circuit board 4 (shown in the figure). , unmarked), through the cooperation of screws and screw holes, the metal upper cover 6 is firmly fixed on the lower housing, thereby ensuring the insertion and extraction strength of the QSFP+ photoelectric module that realizes efficient data transmission. In addition, the end of the metal shell 5 away from the printed circuit board 4 is provided with a metal pull ring 1 , and the metal pull ring 1 is machined to facilitate manual operation.

As shown in Figures 1 to 3, the assembly process of the QSFP+ photoelectric module for efficient data transmission is as follows: 1. Solder the two single-fiber bidirectional devices with the flexible circuit board to realize the electrical connection function.

2. Weld the two flexible circuit boards with the printed circuit board to realize the control function of the printed circuit board to the BOSA single-fiber bidirectional device, forming a QSFP+ photoelectric module without a casing.

3. Put the single-fiber bidirectional device, flexible circuit board and printed circuit board into the metal case, and tighten the metal cover with screws to form a complete two-way BOSA QSFP+ photoelectric module, which is the QSFP+ photoelectric module that realizes efficient data transmission .

To sum up, the QSFP+ photoelectric module that achieves efficient data transmission can increase the data throughput compared with the traditional ones, while not increasing the number of optical fibers used, reducing the difficulty of later system maintenance and reducing construction costs.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (7)

1. realize a QSFP+ optical-electric module for data efficient transmission, it is characterized in that, comprise a metal shell, two single-fiber bidirectional devices, a printed circuit board and two flexible PCBs;

Two described single-fiber bidirectional devices are all located at described metal shell inside, described printed circuit board is provided with integrated chip, its one end is revealed in described metal shell, the other end is located at the inside of described metal shell, and is connected with two described single-fiber bidirectional devices respectively by two described flexible PCBs;

Wherein, the structure of two described single-fiber bidirectional devices is identical.

2. realize the QSFP+ optical-electric module of data efficient transmission as claimed in claim 1, it is characterized in that: described metal shell adopts die perfusion shaping, and its inside is provided with two grooves, and two described single-fiber bidirectional devices are installed in two described grooves respectively.

3. realize the QSFP+ optical-electric module of data efficient transmission as claimed in claim 1 or 2, it is characterized in that: two described single-fiber bidirectional devices are arranged side by side.

4. realize the QSFP+ optical-electric module of data efficient transmission as claimed in claim 1, it is characterized in that: one end that described printed circuit board is revealed in described metal shell is provided with golden finger.

5. the QSFP+ optical-electric module realizing data efficient transmission as described in claim 1 or 4, it is characterized in that: described metal shell comprises a lower house and a metal top cover, described metal top cover is fixed on described lower house, and is jointly coated on described two single-fiber bidirectional devices, described printed circuit board and described two flexible PCBs with described lower house.

6. realize the QSFP+ optical-electric module of data efficient transmission as claimed in claim 5, it is characterized in that: four angles of described metal top cover are fixed respectively by a screw and described lower house.

7. realize the QSFP+ optical-electric module of data efficient transmission as claimed in claim 1, it is characterized in that: described metal shell is provided with a metal draw ring away from one end of described printed circuit board.