CN2627524Y

CN2627524Y - Photoelectric conversion module unit

Info

Publication number: CN2627524Y
Application number: CNU032622503U
Authority: CN
Inventors: 郑永昌; 牟忠信
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2003-05-15
Filing date: 2003-05-15
Publication date: 2004-07-21
Anticipated expiration: 2013-05-15

Abstract

The utility model relates to a photoelectric transmitting and receiving module. The utility model comprises a photoelectric transmitting and receiving module casing and photoelectric converting combination, wherein the photoelectric converting combination which is accommodated in the photoelectric transmitting and receiving module casing comprises a printed circuit board and a photoelectric diode which is electrically connected to the printed circuit board; the photoelectric transmitting and receiving module casing comprises one upper cover, two side wall covers which are integrally formed with the upper cover, and a back cover, each side wall cover comprises two bottom boards with flanges, a plurality of pins are integrally extended from the bottom board and the back cover, and the pins have bearing ribs which are formed by outwards stamping. The photoelectric transmitting and receiving module casing of the utility model is positioned on the printed circuit board through the pins which are integrally formed, installing and calibrating process steps are saved, parts are saved, cost is reduced, and splicing performance is good.

Description

Photoelectricity passes and connects module

[technical field]

The utility model relates to a kind of photoelectricity and passes and connect module, and especially a kind of small-sized (SmallForm-factor, SFF) photoelectricity passes and connects module.

[background technology]

In optical communication system, the photoelectricity biography connects module and is used for providing bidirectional data transfers between optical data link and the electric interface, coded electrical signal from electric interface can be converted to the corresponding light signal, and transfer to optical link, after simultaneously also will converting corresponding electric signal to, be sent to electric interface from the light coded signal of optical link.

Photoelectricity passes and to connect module is to be installed on the printed circuit board (PCB) of main frame, input/output, peripherals or switch, and is plugged in usually in the metal shell that is fixed in printed circuit board (PCB).Common tool two parallel side walls of this metal shell, a rectangle loam cake and a bonnet, it is easy to receive the photoelectricity biography and connects module and have a plurality of pins so that be installed on printed circuit board (PCB), is used to eliminate buildup of static electricity, and serves as the electromagnetic protection housing.

A kind of existing photoelectricity passes and connects module, disclose as US Pat.Pub.No.2001/0024551, this photoelectricity passes and connects module casing and must photoelectricity be passed by a fixture and connect module and be positioned on the printed circuit board (PCB), this fixture comprises a junction surface and two angles, wherein, this junction surface comprises in order to two side plates that connect this two angle and fixed part and a cross bar, patching photoelectricity passes when connecing module earlier junction surface with this fixture and is socketed in photoelectricity and passes and connect on the module, again the angle of this fixture is patched on printed circuit board (PCB) to pass and connect module, at last photoelectricity is passed and connect module casing and be enclosed within photoelectricity and pass to connect on the module with shielding and fix this photoelectricity and pass and connect module with location photoelectricity.This photoelectricity passes the angle that connects module casing and must install separately, and parts are more, and the complex structure operation is loaded down with trivial details, and cost is higher, in addition, can cause during installation that angle installs crooked different in size the influence and patch performance because of adjustment is improper.

In view of above shortcoming, be necessary to provide a kind of easy to assembly, simple in structure, the lower and photoelectricity that patch better performances of cost passes and to connect module.

[summary of the invention]

It is a kind of easy for installation, simple in structure that the purpose of this utility model is to provide, and the lower and photoelectricity that patch better performances of cost passes and to connect module.

The utility model is that a kind of photoelectricity biography connects module, it comprises that photoelectricity biography connects module casing and opto-electronic conversion combination, this opto-electronic conversion combination is contained in this photoelectricity biography and connects in the module casing, it comprises a printed circuit board (PCB) and is electrically connected at photodiode on the printed circuit board (PCB), this photoelectricity passes and connects module casing and comprise that a loam cake, two covers and a bonnet with the integrated sidewall of loam cake, this sidewall lid comprises the base plate of two tool flanges, and one is extended a plurality of pins on this base plate.

Compare prior art, the utility model photoelectricity passes and to connect module casing and with the flange of base plate photoelectricity is passed and connect module casing and hold and be fixed in it, and integrated pin is located on printed circuit board (PCB) simultaneously, saves the installation calibrating operation and saves part, and cost reduces, and it is good to patch performance.

[description of drawings]

Fig. 1 is that the utility model photoelectricity passes the stereographic map that connects module casing;

Fig. 2 is that the utility model photoelectricity passes the constitutional diagram that connects module casing and opto-electronic conversion combination;

Fig. 3 is that the utility model photoelectricity passes the side view that connects module;

Fig. 4 is that the utility model photoelectricity passes the rear view that connects module.

[embodiment]

Please refer to Fig. 1 and Fig. 2, the utility model photoelectricity biography connects module and comprises that photoelectricity biography connects module casing 1, one is contained in photoelectricity passes the opto-electronic conversion combination 2 that connects in the module casing 1, this opto-electronic conversion combination 2 comprises a printed circuit board (PCB) 3 and the opto-electronic conversion diode (figure does not show) that is electrically connected on the printed circuit board (PCB) 3, the a plurality of terminals 31 of tool on this printed circuit board (PCB) 3, it patches on another main circuit board (figure does not show), after this opto-electronic conversion combination 2 will convert corresponding electric signal to from the light signal of optical link, transfer to this main circuit board by a plurality of terminals 31, also the coded electrical signal from main circuit board can be transferred to opto-electronic conversion combination 2 by a plurality of terminals 31 simultaneously, be converted to the corresponding light signal again, and transfer to optical link.

Please also refer to Fig. 3 and Fig. 4, this photoelectricity biography connects module casing 1 and comprises a loam cake 11, two sidewalls lid, 12 and one bonnet 13, this loam cake 11 is a rectangle cover plate, this two sidewalls lid 12 is one-body molded with loam cake 11, its rear end is the buckling piece 127 that outwards is stamped to form of tool one respectively, two flanks 131 that these bonnet 13 tools extend laterally, this two flank 131 is covered on this two sidewalls lid 12, its respectively tool one hole clipping 132 with the buckling piece 127 of sidewall lid 12 buckle mutually, thereby combination bonnet 13 and sidewall lid 12, this photoelectricity passes and connects module casing 1 and be the hexahedron shape after the combination, and it can be formed by unitary piece of metal materials processing, also can adopt two sheet materials to make.

This two sidewall covers 12 front ends, two base plates 121 that extended internally, the flange 120 that these base plate 121 tools extend in housing, this two sidewall covers 12 middle parts and has extended internally two to sheet 128, a baffle plate 135 extends internally in the middle part of these bonnet 13 root edges, this photoelectricity passes and connects module casing 1 in order to hold opto-electronic conversion combination 2 and printed circuit board (PCB) 3, tool two grooves 21 in this opto-electronic conversion combination 2, it is corresponding with flange 120, insert the photoelectricity biography when opto-electronic conversion combination 2 and connect module casing 1, flange 120 slides and is embedded in groove 21 interior also fastening simultaneously opto-electronic conversion along groove 21 and makes up 2, base plate 121, support sheet 128 and baffle plate 135 all play a part support and fixedly the photoelectricity conversion group close 2.

For being convenient to clear expression the utility model content, Fig. 1 and Fig. 3 connect the stereographic map that module casing 1 counter-rotating is placed for opto-electronic conversion combination 2 and photoelectricity pass, and loam cake 11 positions should be the top.

Be extended with two galianconism 122 to bonnet 13 directions on two base plates 121 of this two sidewalls lid 12, this two galianconism 122 and this two sidewall cover 12 root edges and extend two

pins

123 and 125 respectively downwards, these bonnet 13 root edges also extend two pins 133 downwards, it is positioned at this baffle plate 135 both sides, this galianconism 122,

123 and 125 all covers 12 one-body molded with sidewall, this pin 133 is one-body molded with bonnet 13, i.e. these some plural pins 123,125 and 133 all connect module casing 1 by the photoelectricity biography directly extends, so both save the installation part and also save installation procedure simultaneously, saved cost.

These a plurality of pins 123,125 and 133 patch to go up in a printed circuit board (PCB) (figure do not show) and support firm this photoelectricity and pass and connect module casing 1 and ground connection acts on, stamp out an outside or inside fin 124,126 and 134 on it respectively, its shape is consistent with the pin shape, wherein fin 126 and 134 extends on sidewall lid 12 and the bonnet 13, and these a plurality of fins 124,126 and 134 can improve connective stability and the reliability between pin 123,125 and 133 intensity and pin and printed circuit board (PCB).

The utility model photoelectricity passes and to connect module casing 1 and with integrated base plate 121, flange 120 and pin 123 opto-electronic conversion combination 2 is accommodated and be fixed in photoelectricity and pass to connect and be positioned at simultaneously in the module casing 1 (figure does not show) on the printed circuit board (PCB), simple in structure, easy for installation, save part, cost is lower and patch better performances.

Claims

1. a photoelectricity passes and connects module, comprise that photoelectricity biography connects module casing, opto-electronic conversion combination, wherein this photoelectricity passes and connects module casing and comprise a loam cake, two and the integrated sidewall lid of loam cake and a bonnet, this opto-electronic conversion combination is contained in described photoelectricity biography and connects in the module casing, it comprises a printed circuit board (PCB) and is electrically connected at photodiode on the printed circuit board (PCB), it is characterized in that: this sidewall lid comprises the base plate of two tool flanges, and one is extended a plurality of pins on this base plate.

2. photoelectricity as claimed in claim 1 passes and connects module, and it is characterized in that: one is extended a plurality of pins on this bonnet.

3. photoelectricity as claimed in claim 1 passes and connects module, it is characterized in that: these opto-electronic conversion combination tool two grooves match to pass the flange that connects module casing with this photoelectricity.

4. photoelectricity as claimed in claim 1 passes and connects module, it is characterized in that: the fin that tool is stamped to form on these a plurality of pins.

5. photoelectricity as claimed in claim 1 passes and connects module, it is characterized in that: the buckling piece that this sidewall lid tool two outwards is stamped to form.

6. photoelectricity as claimed in claim 5 passes and connects module, and it is characterized in that: these bonnet tool two flanks, it is covered in sidewall and covers.

7. photoelectricity as claimed in claim 6 passes and connects module, it is characterized in that: tool two hole clippings make bonnet cover with sidewall to make up to cooperate with two buckling pieces that sidewall covers on this flank.

8. photoelectricity as claimed in claim 1 passes and connects module, it is characterized in that: this sidewall lid middle part has extended internally two to sheet.

9. photoelectricity as claimed in claim 8 passes and connects module, it is characterized in that: a baffle plate extends internally in the middle part of this bonnet root edge.

10. photoelectricity as claimed in claim 9 passes and connects module, it is characterized in that: be extended with two galianconism to the bonnet direction on this base plate.

11. photoelectricity as claimed in claim 10 passes and connects module, it is characterized in that: these a plurality of pins are extended by the baffle plate both sides of this two sidewalls lid root edge, this two galianconism and this bonnet root edge.