CN210243906U - SFF optical module - Google Patents
SFF optical module Download PDFInfo
- Publication number
- CN210243906U CN210243906U CN201920981089.2U CN201920981089U CN210243906U CN 210243906 U CN210243906 U CN 210243906U CN 201920981089 U CN201920981089 U CN 201920981089U CN 210243906 U CN210243906 U CN 210243906U
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- optical module
- circuit board
- bosa
- pin
- functional circuit
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Abstract
The application provides an SFF optical module, comprising: the optical module cavity formed by assembling the bottom shell and the metal plate cover is used for accommodating the photoelectric part, the pressing block fixes the BOSA in the photoelectric part in the bottom shell in a clamping manner, the functional circuit board in the photoelectric part is fixed in the bottom shell by screws, and the tail fiber and the BOSA are processed into a whole and perform signal transmission with the BOSA. According to the SFF optical module, the photoelectric part can be stably accommodated in the optical module cavity; the butt joint of the tail fiber and the BOSA is firm; the bottom shell, the metal plate cover, the photoelectric part and the pressing block are simply and quickly assembled; and the bottom shell and the pressing block can be repeatedly utilized, so that the cost is saved.
Description
Technical Field
The utility model relates to an optical communication technical field especially relates to a SFF optical module.
Background
The steady development of the global telecommunication industry and the steady growth of broadband users lay a solid foundation for the development of the optical communication industry. With the continuous improvement of the global bandwidth demand and the expansion of the application fields of data centers and security monitoring optical communication industries, the optical fiber broadband access has become the mainstream communication mode. Under the promotion of popularization of terminals such as smart phones and the like and applications such as video and cloud computing, telecom operators continuously invest in building and upgrading mobile broadband networks and optical fiber broadband networks, and the investment scale of optical communication equipment is further enlarged.
The rapid development of the optical communication industry drives the updating of the optical module. Under the market competition environment with increasingly intense optical communication at present, various high-cost optical modules are more and more, the structure is complex, the requirements of the photoelectric part are higher, and heavier economic cost is brought to enterprises and users, so that an optical module with a simple structure and lower cost is needed to meet the requirements of part of enterprises and users. Therefore, an optical module is needed, which can enable a photoelectric part to be stably accommodated in an optical module cavity; the tail fiber is fixed at the Optical port end of a BOSA (Bi-Directional Optical Sub-Assembly) in the Optical module to transmit Optical signals.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model aims at providing a simple structure, with low costs optical module, makes photoelectric portion stabilize in the optical module cavity, and the tail optical fiber is fixed in the BOSA light mouth end in the optical module, carries out optical signal's transmission.
In order to achieve the above object, an embodiment of the present invention provides an SFF (Small Form Factor) optical module, including: the optical module cavity formed by assembling the bottom shell and the metal plate cover is used for accommodating and fixing the photoelectric part, the pressing block is used for clamping and fixing the BOSA in the photoelectric part in the bottom shell, and the tail fiber and the BOSA are processed into a whole and are subjected to signal transmission with the BOSA.
The bottom shell is provided with buckle bulges at two sides of the shell, one end of the shell is provided with a partial optical fiber port and an installation block, a lower boss, a clamping column and a lower positioning surface are arranged inside the shell, the bottom surface outside the shell is provided with a long hole and a positioning column, the installation block is provided with a threaded hole and a partial installation groove, and the lower boss is provided with a lower boss positioning surface and a threaded hole;
the sheet metal cover is provided with clamping holes and radiating holes on two sides of the cover body, one end of the cover body is provided with a partial optical fiber port, the bottom surface outside the cover body is provided with a direction groove and a label groove, the clamping holes are buckled on the buckling bulges, the sheet metal cover is buckled on the bottom shell in a clamping mode to form an optical module cavity for accommodating the photoelectric part, the radiating holes radiate heat generated in the working process of an optical module to the outside of the optical module so as to protect the normal work of the optical module, the partial optical fiber port of the sheet metal cover and the partial optical fiber port of the bottom shell are matched to form a complete optical fiber port for penetrating and accommodating a tail fiber of the photoelectric part, the direction groove is a bidirectional arrow groove for marking that the optical module is a single-fiber bidirectional optical module, and different colors are filled in the groove body of the direction groove to mark different working wavelengths;
the photoelectric part includes: the pin-in-wire connector comprises a functional circuit board, a BOSA, a pin arranging body and a tail fiber, wherein the two sides of the functional circuit board are provided with pinholes and clamping grooves, one end of the functional circuit board is provided with a plurality of welding spots, the other end of the functional circuit board is provided with a through hole, the pin arranging body is provided with a pin and a fixed seat, the plurality of pins are fixedly inserted into the fixed seat to form the pin arranging body, one end of each pin in the pin arranging body is inserted into the pinhole and welded, the pin of the BOSA is welded to the welding spot, the tail fiber is fixedly connected with the BOSA, so that the functional circuit board, the BOSA, the pin arranging body and the tail fiber are connected into an integral part to form the photoelectric part, the other end of each pin in the pin arranging body is inserted into the pinhole in a host circuit board and welded, the pin arranging body is connected with the functional circuit board and the host circuit board to transmit electric signals, the BOSA converts the electric signals in, or the optical signal received by the tail fiber from other equipment is converted into an electric signal to be transmitted to the functional circuit board;
the pressure block is provided with a screw hole and partial mounting grooves, the partial mounting grooves of the pressure block and the partial mounting grooves of the mounting block are matched to form a complete mounting groove for accommodating and fixing the BOSA, and a screw is adopted to penetrate through the screw hole of the pressure block and screwed in the threaded hole of the mounting block to mount and fix the pressure block on the mounting block, so that the BOSA is fixed in the optical module cavity.
In the SFF optical module, the fixing base is made of an insulating and flame-retardant material.
According to the SFF optical module, the photoelectric part can be stably accommodated in the optical module cavity; the butt joint of the tail fiber and the BOSA is firm; the bottom shell, the metal plate cover, the photoelectric part and the pressing block are simply and quickly assembled; and the bottom shell and the pressing block can be repeatedly utilized, so that the cost is saved.
Drawings
Fig. 1 is an exploded view of an SFF optical module according to an embodiment of the present disclosure;
fig. 2 is an exploded view of a SFF optical module according to an embodiment of the present disclosure;
fig. 3 is a first assembly effect diagram of an SFF optical module according to an embodiment of the present disclosure:
FIG. 4 is a second diagram illustrating an assembling effect of an SFF optical module according to an embodiment of the present disclosure;
fig. 5 is a first schematic view of a bottom case of an SFF optical module according to an embodiment of the present disclosure;
fig. 6 is a schematic view of a bottom case of an SFF optical module according to an embodiment of the present application;
fig. 7 is a first schematic view of an upper case of an SFF optical module according to an embodiment of the present application;
fig. 8 is a schematic diagram of an upper case of an SFF optical module according to an embodiment of the present application;
fig. 9 is an assembly diagram of an optoelectronic part of an SFF optical module according to an embodiment of the present application;
FIG. 10 is a schematic diagram of a circuit board in an optoelectronic portion according to an embodiment of an SFF optical module of the present application;
fig. 11 is a schematic diagram of a pin header in a photoelectric portion according to an embodiment of the SFF optical module of the present application;
fig. 12 is a schematic diagram of a compact of an SFF optical module according to an embodiment of the present application.
The reference numerals are explained below:
100 bottom shell
110 snap boss 120 part optical fiber port 130 mounting block 131 threaded hole 132 part mounting groove
140 lower boss 141, lower boss positioning surface 142, threaded hole 150, clamping column 160, lower positioning surface 170 and long hole
180 positioning column
200 sheet metal cover
210 card hole 220 heat dissipation hole 230 partial optical fiber port 240 direction slot 250 label slot
300 photoelectric part
310 functional circuit board 311 pinhole 312 welding point 313 clamping groove 314 through hole 320BOSA 321 pin
330 row needle body 331 rod needle 332 fixing seat 340 tail fiber
400 briquetting
410 screw hole 420 part mounting groove
500 screw
Detailed Description
Specific embodiments of the present application will be described in detail below. It should be noted that the embodiments described herein are only for illustration and are not intended to limit the present application.
Fig. 1 and fig. 2 are exploded views of an embodiment of an SFF optical module of the present application, fig. 3 and fig. 4 are assembled effect views of an SFF optical module of the present application, fig. 5 to fig. 8 are schematic views of a bottom shell and an upper shell of an SFF optical module of the present application, fig. 9 is an assembled schematic view of an optoelectronic portion of an SFF optical module of the present application, fig. 10 is a schematic view of a functional circuit board of an SFF optical module of the present application, fig. 11 is a schematic view of a pin header in an optoelectronic portion of an SFF optical module of the present application, and fig. 12 is a schematic view of a press block of an embodiment of an SFF optical module of the present application.
As shown in fig. 1 to 4, the sheet metal cover 200 is fastened on the fastening protrusion 110 of the bottom chassis 100 through the fastening hole 210, so that the sheet metal cover 200 is assembled on the bottom chassis 100 to form an optical module cavity for receiving the optoelectronic component 300.
Referring to fig. 5 and 6, the bottom housing 100 has fastening protrusions 110 on two sides of the housing, a portion of the optical fiber opening 120 and a mounting block 130 at one end of the housing, a lower boss 140, a fastening post 150 and a lower positioning surface 160 in the housing, a strip hole 170 and a positioning post 180 on the bottom surface of the housing, a threaded hole 131 and a portion of the mounting groove 132 on the mounting block 130, and a lower boss positioning surface 141 and a threaded hole 142 on the lower boss 140.
Referring to fig. 7 and 8, the sheet metal cover 200 has a locking hole 210 and a heat dissipation hole 220 at two sides of the cover, one end of the cover body is provided with a part of optical fiber ports 230, the bottom surface outside the cover body is provided with a direction groove 240 and a label groove 250, the clamping holes 210 are buckled on the buckling bulges 110, the sheet metal cover 200 is clamped on the bottom shell 100 to form an optical module cavity for accommodating the photoelectric part 300, the heat dissipation holes 220 dissipate the heat generated by the optical module in the working process to the outside of the optical module, to protect the normal operation of the optical module, part of the optical fiber ports 230 of the sheet metal cover 200 and part of the optical fiber ports 120 of the bottom case 100 are matched to form a complete optical fiber port, for penetrating and accommodating the pigtail 340, the directional slot 240 is a bidirectional arrow groove for indicating that the optical module is a single-fiber bidirectional optical module, different colors are filled in the groove body of the direction groove 240 to mark different working wavelengths of the optical module, and the label groove 250 is used for adhering label descriptions of the optical module.
As shown in fig. 9 to 11, the photovoltaic unit 300 includes: the optical fiber connector comprises a functional circuit board 310, a BOSA320, a pin gang body 330 and a pigtail 340, wherein the functional circuit board 310 is provided with pinholes 311 and a clamping groove 313 at two sides, one end of the functional circuit board 310 is provided with a plurality of welding points 312, the other end of the functional circuit board is provided with a through hole 314, the BOSA320 is provided with pins 321, the pin gang body 330 is provided with pins 331 and a fixed seat 332, the plurality of pins 331 are inserted and fixed in the fixed seat 332 to form the pin gang body 330, one end of the pins 331 in the pin gang body 330 is inserted into the pinholes 311 and welded, the pins 321 of the BOSA320 are welded to the welding points 312, the pigtail 340 is fixedly connected with the BOSA320, so that the functional circuit board 310, the BOSA320, the pin gang body 330 and the pigtail 340 are connected into a whole part to form an optical part 300, the other end of the pins 331 in the pin gang body 330 is inserted into pinholes in a host circuit board and welded, so that the pin gang body 330 is connected, or convert the optical signal received by the pigtail 340 from other devices into an electrical signal for transmission to the functional circuit board 310.
Referring to fig. 12, the press block 400 is provided with a screw hole 410 and a part of the mounting grooves 420, the part of the mounting grooves 420 of the press block 400 is matched with the part of the mounting grooves 132 of the mounting block 130 to form a complete mounting groove for accommodating and fixing the BOSA320, and a screw 500 is screwed into the screw hole 131 of the mounting block 130 through the screw hole 410 of the press block 400 to fix the press block 400 on the mounting block 130, so that the BOSA320 is fixed in the optical module cavity.
As shown in fig. 1 to 4, a step and a method for mounting a lower optical module are described in detail, where an optoelectronic component 300 is mounted in a cavity of a bottom chassis 100, a fixing seat 332 passes through a long hole 170, a slot 313 of a functional circuit board 310 is clamped and fixed to a clamping post 150, the functional circuit board is placed on a mounting surface formed by a lower positioning surface 160 and a lower boss positioning surface 141 in the bottom chassis 100, a screw 500 is screwed into a threaded hole 142 of a lower boss 140 through a through hole 314 in the functional circuit board 310, so as to mount and fix the functional circuit board 310 in the cavity of the bottom chassis 100, the screw 500 is screwed into a threaded hole 131 of a mounting block 130 through a screw hole 410 of the press block 400, so as to mount and fix a BOSA320 in the cavity of the bottom chassis 100, a tail fiber 340 passes through a fiber port 120 of the bottom chassis 100, so that the optoelectronic component 300 is mounted and fixed in the cavity of the, then, the sheet metal cover 200 is locked on the locking protrusion 110 of the bottom chassis 100 through the locking button 210, and the optical module is mounted. The positioning posts 180 in the bottom chassis 100 are inserted into the positioning holes of the host device for preliminary positioning, and the pins 331 in the pin header 330 are inserted into the circuit board pin holes of the host device and soldered, so that the optical module is mounted in the host device.
The present invention has been described in terms of the preferred embodiment, and not by way of limitation, and it is to be understood that the terminology which has been used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present application may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the metes and bounds of the claims, or equivalence of such metes and bounds are therefore intended to be embraced by the appended claims.
Claims (2)
1. An SFF optical module comprising: the photoelectric module comprises a bottom shell, a metal plate cover, a photoelectric part and a pressing block, wherein an optical module cavity formed by assembling the bottom shell and the metal plate cover is used for accommodating the photoelectric part, the pressing block is used for clamping and fixing BOSA in the photoelectric part in the bottom shell, and a functional circuit board in the photoelectric part is fixed in the bottom shell by adopting a screw,
the bottom shell is provided with buckle bulges at two sides of the shell, one end of the shell is provided with a partial optical fiber port and an installation block, a lower boss, a clamping column and a lower positioning surface are arranged inside the shell, the bottom surface outside the shell is provided with a long hole and a positioning column, the installation block is provided with a threaded hole and a partial installation groove, and the lower boss is provided with a lower boss positioning surface and a threaded hole;
the sheet metal cover is provided with clamping holes and radiating holes on two sides of the cover body, one end of the cover body is provided with a partial optical fiber port, the bottom surface outside the cover body is provided with a direction groove and a label groove, the clamping holes are buckled on the buckling bulges, the sheet metal cover is buckled on the bottom shell in a clamping mode to form an optical module cavity for accommodating the photoelectric part, the radiating holes radiate heat generated in the working process of an optical module to the outside of the optical module so as to protect the normal work of the optical module, the partial optical fiber port of the sheet metal cover and the partial optical fiber port of the bottom shell are matched to form a complete optical fiber port for penetrating and accommodating a tail fiber of the photoelectric part, the direction groove is a bidirectional arrow groove for marking that the optical module is a single-fiber bidirectional optical module, and different colors are filled in the groove body of the direction groove to mark different working wavelengths;
the photoelectric part includes: the pin-in-wire connector comprises a functional circuit board, a BOSA, a pin arranging body and a tail fiber, wherein the two sides of the functional circuit board are provided with pinholes and clamping grooves, one end of the functional circuit board is provided with a plurality of welding spots, the other end of the functional circuit board is provided with a through hole, the pin arranging body is provided with a pin and a fixed seat, the plurality of pins are fixedly inserted into the fixed seat to form the pin arranging body, one end of each pin in the pin arranging body is inserted into the pinhole and welded, the pin of the BOSA is welded to the welding spot, the tail fiber is fixedly connected with the BOSA, so that the functional circuit board, the BOSA, the pin arranging body and the tail fiber are connected into an integral part to form the photoelectric part, the other end of each pin in the pin arranging body is inserted into the pinhole in a host circuit board and welded, the pin arranging body is connected with the functional circuit board and the host circuit board to transmit electric signals, the BOSA converts the electric signals in, or the optical signal received by the tail fiber from other equipment is converted into an electric signal to be transmitted to the functional circuit board;
the pressure block is provided with a screw hole and partial mounting grooves, the partial mounting grooves of the pressure block and the partial mounting grooves of the mounting block are matched to form a complete mounting groove for accommodating and fixing the BOSA, and a screw is adopted to penetrate through the screw hole of the pressure block and screwed in the threaded hole of the mounting block to mount and fix the pressure block on the mounting block, so that the BOSA is fixed in the optical module cavity.
2. The SFF optical module as claimed in claim 1, wherein said mounting base is made of an insulating, flame retardant material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920981089.2U CN210243906U (en) | 2019-06-28 | 2019-06-28 | SFF optical module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920981089.2U CN210243906U (en) | 2019-06-28 | 2019-06-28 | SFF optical module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210243906U true CN210243906U (en) | 2020-04-03 |
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ID=69988092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920981089.2U Expired - Fee Related CN210243906U (en) | 2019-06-28 | 2019-06-28 | SFF optical module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210243906U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110187456A (en) * | 2019-06-28 | 2019-08-30 | 路乃鑫 | A kind of SFF optical module |
| CN110244417A (en) * | 2019-07-11 | 2019-09-17 | 河北华美光电子有限公司 | A kind of SFF optical module |
-
2019
- 2019-06-28 CN CN201920981089.2U patent/CN210243906U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110187456A (en) * | 2019-06-28 | 2019-08-30 | 路乃鑫 | A kind of SFF optical module |
| CN110244417A (en) * | 2019-07-11 | 2019-09-17 | 河北华美光电子有限公司 | A kind of SFF optical module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200403 Termination date: 20210628 |