CN215813457U - 200G-CFP2 optical module structure - Google Patents

Abstract

The utility model relates to a 200G-CFP2 optical module structure, which comprises a base, an upper cover, a pull ring, an unlocking sheet and a fixed buckle, wherein the upper cover is arranged at the top of the base and is in fit connection with the base, one end of the base is provided with an optical port connecting block, the pull ring is inserted into the top of the optical port connecting block, the two sides of the base are respectively provided with the unlocking sheet, the two ends of the bottom of the pull ring are provided with clamping feet, a rotating shaft arranged on the clamping feet is in fit connection with a clamping hole arranged at one end of the unlocking sheet, a placing groove for placing an optical device and a circuit board is arranged in the base, the optical device is electrically connected with the circuit board, the buckle of the optical device is abutted against one end of the optical port connecting block, and the fixed buckle is in fit joint with the buckle. The module structure forms a closed space through the base, the upper cover, the pull ring and the unlocking sheet, can be compatible with circuit boards and optical devices of two different transmission schemes, and solves the problems of interference between an LC jumper and the module pull ring and butt joint of optical interfaces under the condition that the module structure meets the international standard.

Description

200G-CFP2 optical module structure

Technical Field

The utility model relates to the field of optical communication, in particular to a 200G-CFP2 optical module structure.

Background

With the development of science and technology and the continuous upgrade of data communication requirements, the transmission capacity of a communication backbone network is continuously increased, and the transmission rate is continuously accelerated, so that the requirement on the transmission rate of an optical transceiver module for realizing photoelectric signal conversion in the communication network is continuously increased.

The 200G-CFP2 optical transceiver module is a product that is emerging to meet the demand of the communications market for higher transmission rate pluggable solutions. The transmission rate can reach 212.5Gb/s, the central wavelengths are 1295.56nm, 1300.05nm, 1304.58nm and 1309.14nm respectively, and the standard and specification of IEEE802.3 and CFP2 MSA are met.

In general, the structure of the optical module needs to meet not only the optical interface connection standard of the module and the optical fiber patch cord, but also the electrical signal connection standard of the module golden finger and the communication device. The optical interface of the CFP2 series optical module needs to ensure that an LC optical jumper is smoothly plugged and pulled and the performance of the module is stable after multiple plugging and pulling; the gold finger end and the socket in the communication equipment interface need to be accurately butted, so that high-frequency signal crosstalk is avoided. Therefore, an optical module structure protocol is established by the international standard organization, and strict standards are established for the size and the position of a golden finger of an optical module PCB, a CFP2 male socket welded with the golden finger and the external dimension of the optical module. Under the regulations of the standards, a CFP2 optical module housing structure is required, so that optoelectronic devices, functional circuit boards, optical connectors and the like of an optical module are stably mounted in a cavity of the optical module, and the optical module is used in combination with optical fiber communication equipment; the optical module is smoothly unlocked and withdrawn from the host device by pulling the unlocking component in the optical module.

Disclosure of Invention

The utility model provides a 200G-CFP2 optical module structure, which aims to solve the problem that an LC jumper and a module pull ring interfere and an optical interface is butted under the condition that the module structure conforms to international standards.

The utility model provides a 200G-CFP2 optical module structure, which comprises a base, an upper cover, a pull ring, an unlocking sheet and a fixing buckle, wherein the upper cover is arranged at the top of the base and is in matched connection with the base, one end of the base is provided with an optical port connecting block, the pull ring is inserted into the top of the optical port connecting block, the two sides of the base are respectively provided with the unlocking sheet, the two ends of the bottom of the pull ring are provided with clamping feet, a rotating shaft arranged on the clamping feet is in matched connection with a clamping hole arranged at one end of the unlocking sheet, a placing groove for placing an optical device and a circuit board is arranged in the base, the optical device is electrically connected with the circuit board, a clamping ring of the optical device abuts against one end of the optical port connecting block, and the fixing buckle is in matched and clamped connection with the clamping ring.

As a further improvement of the utility model, the top of the pull ring is provided with a slot, the slot is filled with a mark color required by a 10km transmission scheme or a 40km transmission scheme, and the slot is communicated with a U-shaped slot at the top of the light port connecting block.

As a further improvement of the utility model, a pit for avoiding a higher component in the circuit board and a first boss for supporting the heat conducting gasket and the heating component are arranged in the placing groove, and a second boss arranged opposite to the first boss is arranged in an inner cavity of the upper cover.

As a further improvement of the utility model, the side wall of the base is provided with an unlocking groove, the unlocking plate is connected with the unlocking groove in a matching way, one end of the unlocking groove is connected with the baffle plate, one end of the baffle plate is provided with a wedge-shaped groove, the wedge-shaped groove is in matching clamping connection with a wedge piece arranged at the tail part of the upper cover, the other end of the baffle plate is provided with a buckling groove, and the buckling groove is in matching clamping connection with a protruding piece arranged at the other end of the unlocking plate.

As a further improvement of the present invention, four corners of the placement groove are provided with support columns for mounting and positioning the circuit board, four corners of the base are provided with screw holes, and four corners of the bottom of the upper cover are provided with screw holes adapted to the screw holes.

As a further improvement of the utility model, a first transverse groove is arranged between two screw holes at the tail part of the base, a second transverse groove is arranged between two screw holes at the tail part of the upper cover, and the first transverse groove and the second transverse groove are in matched connection with corresponding bulges at the front side and the back side of the male socket and are used for fixing the male socket.

As a further improvement of the utility model, two clamping blocks are arranged at the front end of the upper cover, the two clamping blocks are respectively arranged at two sides of the light port connecting block, a first arc-shaped part is arranged at the bottom of each clamping block, second arc-shaped parts are arranged at two sides of the light port connecting block, and the first arc-shaped part and the second arc-shaped part are clamped in a matched manner and used for fixing the rotating shaft of the pull ring.

As a further improvement of the utility model, the two sides of the unlocking sheet are provided with long-strip bulges, and the long-strip bulges are matched and connected with the limiting grooves at the corresponding positions of the upper cover and the base and used for fixing the unlocking sheet.

As a further improvement of the utility model, one side of the top of the pull ring is provided with an arc-shaped groove, and one end of the top of the upper cover is provided with a concave groove matched with the arc-shaped groove.

As a further improvement of the utility model, the top of the unlocking groove is provided with a spring groove for placing a spring.

The utility model has the beneficial effects that: this modular structure passes through the base, the upper cover, the pull ring forms airtight space with the unblock piece, guarantees modular structure's electromagnetic shield function, realizes the optical device of the compatible different producers of same casing through the size of customization fixed buckle, circuit board and the optical device that can compatible two kinds of different transmission schemes, solve under the condition that modular structure accords with international standard, the problem that LC wire jumper and module pull ring interfere and the butt joint of optical interface exists to and provide modular structure electromagnetic shield and the radiating scheme of module.

Drawings

FIG. 1 is an overall view of the present invention;

FIG. 2 is an exploded view of the present invention;

fig. 3 is an overall view of the unassembled upper cover of the present invention.

Detailed Description

Reference numerals: 1-base, 2-upper cover, 3-pull ring, 4-fixed buckle, 5-unlocking sheet, 6-circuit board, 7-optical device, 8-unlocking groove, 9-baffle, 10-wedge groove, 11-wedge piece, 12-buckling groove, 13-optical port connecting block, 14-U-shaped groove, 15-first boss, 16-pit, 17-first transverse groove, 18-second arc piece, 19-spring groove, 20-slotted hole, 21-placing groove, 22-arc groove, 23-support leg, 24-rotating shaft, 25-clamping block, 26-concave groove, 27-first arc piece, 28-clamping hole, 29-convex piece, 30-strip convex piece and 31-supporting column.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1-3, the present invention provides a 200G-CFP2 optical module structure, which includes a base 1, an upper cover 2, a pull ring 3, an unlocking sheet 5 and a fixing buckle 4, wherein the upper cover 2 is disposed on the top of the base 1 and is connected to the base 1 in a matching manner, one end of the base 1 is provided with an optical port connection block 13, the pull ring 3 is inserted into the top of the optical port connection block 13, both sides of the base 1 are provided with the unlocking sheet 5, both ends of the bottom of the pull ring 3 are provided with clamping legs, a rotation shaft 24 disposed on the clamping legs is connected to a clamping hole 28 disposed on one end of the unlocking sheet 5 in a matching manner, a placement groove 21 for placing an optical device 7 and a circuit board 6 is disposed in the base 1, the optical device 7 is electrically connected to the circuit board 6, a clamping ring of the optical device 7 abuts against one end of the optical port connection block 13, the fixed buckle 4 is in matched clamping connection with the clamping ring.

As an embodiment of the present invention, a slot 20 is disposed at the top of the pull ring 3, the slot 20 is filled with a mark color required by a 10km transmission scheme or a 40km transmission scheme, and the slot 20 is communicated with the U-shaped groove 14 at the top of the optical port connection block 13.

In another embodiment of the present invention, the placement groove 21 is provided with a concave 16 for avoiding a higher component in the circuit board 6 and a first boss 15 for supporting a heat conducting gasket and a heating component, and the inner cavity of the upper cover 2 is provided with a second boss disposed opposite to the first boss 15.

As another embodiment of the utility model, an unlocking groove 8 is formed in a side wall of the base 1, the unlocking plate 5 is connected with the unlocking groove 8 in a matching manner, one end of the unlocking groove 8 is connected with a baffle plate 9, one end of the baffle plate 9 is provided with a wedge-shaped groove 10, the wedge-shaped groove 10 is connected with a wedge piece 11 arranged at the tail part of the upper cover 2 in a matching and clamping manner, the other end of the baffle plate 9 is provided with a buckling groove 12, and the buckling groove 12 is connected with a protruding piece 29 arranged at the other end of the unlocking plate 5 in a matching and clamping manner.

As another embodiment of the present invention, support columns 31 for mounting and positioning the circuit board 6 are disposed at four corners of the placement groove 21, screw holes are disposed at four corners of the base 1, and screw holes adapted to the screw holes are disposed at four corners of the bottom of the upper cover 2.

As another embodiment of the present invention, a first transverse groove 17 is disposed between two screw holes at the tail of the base 1, a second transverse groove is disposed between two screw holes at the tail of the upper cover 2, and the first transverse groove 17 and the second transverse groove are connected with corresponding protrusions on the front and back sides of the male socket in a matching manner, so as to fix the male socket.

As another embodiment of the present invention, two clamping blocks 25 are arranged at the front end of the upper cover 2, the two clamping blocks 25 are respectively arranged at two sides of the optical port connecting block 13, a first arc-shaped member 27 is arranged at the bottom of each clamping block 25, second arc-shaped members 18 are arranged at two sides of the optical port connecting block 13, and the first arc-shaped member 27 and the second arc-shaped members 18 are clamped in a matching manner to fix the rotating shaft 24 of the pull ring 3.

As another embodiment of the utility model, two sides of the unlocking sheet 5 are provided with long protrusions 30, and the long protrusions 30 are connected with the limiting grooves at corresponding positions of the upper cover 2 and the base 1 in a matching manner, so as to fix the unlocking sheet 5.

As another embodiment of the utility model, an arc-shaped groove 22 is formed on one side of the top of the pull ring 3, and a concave groove 26 matched with the arc-shaped groove 22 is formed at one end of the top of the upper cover 2.

As another embodiment of the present invention, the top of the unlocking slot 8 is provided with a spring slot 19 for placing a spring.

The utility model provides a 200G-CFP2 optical module structure, which can be compatible with the circuit board 6 and the optical device 7 required by 10km and 40km transmission schemes, simultaneously solves the problems of interference between an LC jumper wire and a module pull ring and butt joint of optical interfaces under the condition that the module structure conforms to international standards, and provides a scheme for electromagnetic shielding and module heat dissipation of the module structure. The scheme has simple structural design, can be compatible with circuit boards and devices required by two different transmission schemes, has stable performance of each module and is convenient to realize.

The base 1 main part is the rectangle structure, the open deep cavity of one side, and the material is 3# zinc alloy. The tail part of the front surface of the base 1 is provided with the wedge-shaped groove 10 for the sliding assembly limit of the upper cover 2, meanwhile, EMI conductive adhesive can be dotted at the position, and the circuit board 6 and the optical device 7 are sealed after being assembled with the upper cover 2 to play a role in EMI shielding; the tail end of the wedge-shaped groove 10 is downwards sunken and is aligned with a screw hole at the tail part of the upper cover 2 during assembly, so that the base 1 and the upper cover 2 can be conveniently assembled; the supporting columns 31 are arranged at four corners of the placing groove 21, the supporting columns 31 can support assembly of the circuit board 6 with two transmission schemes, and screw holes are formed in the supporting columns 31 and used for mounting and positioning the circuit board 6; the optical port connecting block 13 is arranged at one end of the base 1, and the U-shaped groove 14 is arranged at the top of the optical port connecting block 13, so that the design meets the design specification of the LC connector; screw holes are formed in two sides of the U-shaped groove 14 and used for being in screw connection with the clamping ring of the optical device 7; the lateral wall of base 1 is equipped with unlocking groove 8, unlocking groove 8 is the sunken recess of 20mm 1mm for unlocking piece 5's installation and spacing, unlocking groove 8's top is equipped with and is used for placing the spring groove 19, the both sides of light mouth connecting block 13 all are equipped with second arc 18 for spacing pull ring 3 the rotation axis 24, base 1's four corners all is equipped with the screw hole, upper cover 2's bottom four corners be equipped with the screw of screw hole adaptation, both cooperate the back installation screw fixed, realize base 1 with upper cover 2's cooperation is connected, be equipped with in the standing groove 21 and be used for avoiding circuit board 6 high-altitude components and parts pit 16 and first boss 15, upper cover 2's inner chamber be equipped with first boss 15 relative setting the second boss, the first boss 15 and the second boss support the heat conducting gasket and the heating element from an upper direction and a lower direction, the first transverse groove 17 is arranged between two screw holes at the tail part of the base 1, the second transverse groove is arranged between two screw holes at the tail part of the upper cover 2, and the first transverse groove 17 and the second transverse groove are connected with corresponding bulges on the front side and the back side of the male socket in a matched manner and are used for fixing the CFP2 male socket; meanwhile, a groove for labeling is formed in the tail portion of the back face of the base 1.

The main body of the upper cover 2 is of a rectangular structure, one surface of the main body is an open shallow cavity, and the main body is made of 3# zinc alloy. The afterbody of upper cover 2 is equipped with wedge piece 11, with base 1 wedge groove 10 is corresponding, after the assembly can with base 1 cooperation and compress tightly the point and be in EMI conducting resin on the base 1, the front end of upper cover 2 is equipped with two joint piece 25, two joint piece 25 is in base 1 with after the cooperation of upper cover 2 is connected, the branch is located the both sides of light mouthful connecting block 13, the bottom of joint piece 25 is equipped with first arc 27, first arc 27 with second arc 18 is mutually supported, and is spacing pull ring 3 rotation axis 24.

The pull ring 3 is of a square crank-shaped structure and is made of 3# zinc alloy. The top of the pull ring 3 is provided with the slotted hole 20, the slotted hole 20 can be filled with colors for distinguishing different transmission schemes, the slotted hole 20 is filled with blue for a 10km transmission scheme, the slotted hole 20 is filled with red for a 40km transmission scheme, the arc-shaped groove 22 is arranged on one side of the top of the pull ring 3, the upper cover 2 is provided with the concave groove 26 matched with the arc-shaped groove 22 for use, and the curvature of fingers is matched, so that certain hand feeling can be kept when the pull ring 3 is moved by the fingers. The both ends of 3 bottoms of pull ring the card foot is inboard the rotation axis 24 joint is in the circular cavity that first arc 27 and second arc 18 formed, it is vice to form to rotate to connect, protrusion in the stabilizer blade 23 outside the rotation axis 24 be used for with separate the locking plate 5 installation back, will the turning to motion of pull ring 3 turns into separate the lateral shifting of locking plate 5.

The unlocking sheet 5 is made of 3# zinc alloy and is respectively arranged on two sides of the base 1 and is in fit connection with the unlocking groove 8. The inboard front portion of unlocking sheet 5 is hollowed out for the cooperation the protruding structure in the 3 outsides of pull ring forms the motion and connects, the both sides of unlocking sheet 5 are equipped with rectangular arch 30, rectangular arch 30 with the spacing groove cooperation connection of upper cover 2 and the corresponding position of base 1 is fixed unlocking sheet 5. The other end of unlocking sheet 5 is equipped with protruding piece 29, protruding piece 29 is outside bellied shape, protruding piece 29 with the other end of baffle 9 buckling groove 12 cooperation joint, and it can satisfy to do so unlocking sheet 5 inserts behind buckling groove 12, the fixed of module can be guaranteed to location panel beating piece in the buckling groove 12, moves behind pull ring 3, unlocking sheet 5 makes protruding piece 29 can be with location panel beating perk along with moving forward, makes unlocking sheet 5 can follow buckling groove 12 is pulled out.

After the base 1, the unlocking sheet 5 and the pull ring 3 are installed, a spring is plugged into a closed space formed by the base 1 and the unlocking sheet 5, namely the spring groove 19 is positioned at the top of the unlocking groove 8, and due to the elasticity of the spring, when the pull ring 3 is not pulled, the spring can be propped between the spring groove 19 and the square protruding structure of the unlocking sheet 5; when the pull ring 3 is moved, the pull ring 3 drives the unlocking sheet 5 to move forwards, the spring is compressed, and the spring is reset after the force applied to the pull ring 3 is removed, so that the automatic reset of the pull ring 3 is realized.

The circuit board 6 is located in the standing groove 21, utilize four screws to screw on the PCB installation location screw of base 1 set up in the standing groove 21 and be used for avoiding the higher components and parts of high degree in the circuit board 6 pit 16 has avoided right the damage of circuit board 6 has simultaneously set up in the standing groove 21 first boss 15 the inner chamber of upper cover 2 has set up the second boss, first boss 15 with the second boss sets up relatively, during the installation through first boss 15, second boss with paste the heat conduction gasket between the device that generates heat of circuit board 6, realize the contact of device heating face and heat dissipation boss, and then realize the heat dissipation of device through the convection heat transfer on the module surface. Optical device 7 with 6 electricity of circuit board are connected, optical device 7 is cuboid structure and cylinder structure mixture, and the cylinder structure is equipped with LC optical interface, and the cuboid structure is equipped with the conversion light path structure, and the cuboid structure is terminal by soft arranging wire welding, can realize turning into optical signal with the electric signal on the PCBA, realizes the transmission and the receipt of signal, optical device 7's snap ring butt is in optical interface connecting block 13's one end utilizes fixed buckle 4 with snap ring cooperation joint realizes optical device 7's is fixed.

The fixing buckle 4 is integrally of a T-shaped structure and made of 3# zinc alloy. Two symmetrical counter bores are arranged on two sides of the front surface and are used for being connected with screw holes near the optical port connecting block 13 of the base 1. The back is equipped with the external diameter corresponding recess of snap ring of optical device 7, can adjust according to the optical device 7 adapter size of different producers, realize different the compatibility of optical device 7.

The module structure is assembled by the base 1 and the upper cover 2 to form an electromagnetic shielding cavity. And (3) performing point EMI glue treatment on sunken surfaces of two side walls of the base 1 after processing, wherein the cross section of the EMI glue is circular. When the upper cover 2 is assembled, EMI glue is compressed and deformed to ensure that gaps on two sides of the base 1 and the upper cover 2 are matched and are hermetically shielded by the EMI glue, a shielding wall is formed by the upper cover 2 and the base 1 protruding out of a wall body in an electromagnetic shielding cavity, the front parts of the base 1 and the upper cover 2 are surrounded by EMI shielding elastic sheets to ensure that the unlocking sheet 5 and the shell are fully contacted with communication equipment, and meanwhile, the gap between the upper cover 2 and the base 1 is secondarily shielded to ensure the electromagnetic shielding effect.

The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all shall be considered as belonging to the protection scope of the utility model.

Claims (10)

1. The utility model provides a 200G-CFP2 optical module structure, its characterized in that, includes base, upper cover, pull ring, unblock piece and fixed buckle, the upper cover is located the top of base and with the base cooperation is connected, the one end of base is equipped with the light mouthful connecting block, the pull ring peg graft in the top of light mouthful connecting block, the both sides of base all are equipped with the unblock piece, the bottom both ends of pull ring are equipped with the card foot, locate rotation axis on the card foot with locate the card hole cooperation of the one end of unblock piece is connected, be equipped with the standing groove that is used for placing optical device and circuit board in the base, optical device with the circuit board electricity is connected, optical device's snap ring butt is in the one end of light mouthful connecting block, fixed buckle with snap ring cooperation joint.

2. The 200G-CFP2 optical module structure according to claim 1, wherein the top of the pull ring is provided with a slot filled with a mark color required by a 10km transmission scheme or a 40km transmission scheme, and the slot is communicated with a U-shaped slot on the top of the optical port connection block.

3. The structure of claim 2, wherein the placement groove has a recess for avoiding a higher component in the circuit board and a first protrusion for supporting a heat conducting pad and a heat generating component, and the inner cavity of the top cover has a second protrusion opposite to the first protrusion.

4. The structure of claim 3, wherein the side wall of the base has an unlocking slot, the unlocking plate is connected to the unlocking slot in a matching manner, one end of the unlocking slot is connected to the baffle, one end of the baffle is provided with a wedge slot, the wedge slot is in a matching engagement with a wedge disposed at the tail of the upper cover, the other end of the baffle is provided with a fastening slot, and the fastening slot is in a matching engagement with a protrusion disposed at the other end of the unlocking plate.

5. The 200G-CFP2 optical module structure of claim 4, wherein four corners of said placement groove are provided with supporting posts for mounting and positioning said circuit board, four corners of said base are provided with screw holes, and four corners of bottom of said top cover are provided with screw holes adapted to said screw holes.

6. The 200G-CFP2 optical module structure according to claim 5, wherein a first transverse slot is formed between two screw holes at the tail of the base, a second transverse slot is formed between two screw holes at the tail of the top cover, and the first and second transverse slots are connected with corresponding protrusions at the front and back of the male plug socket in a matching manner for fixing the male plug socket.

7. The 200G-CFP2 optical module structure according to claim 6, wherein two clamping blocks are disposed at the front end of the top cover, the two clamping blocks are disposed at two sides of the optical port connection block, a first arc-shaped member is disposed at the bottom of each clamping block, a second arc-shaped member is disposed at each side of the optical port connection block, and the first arc-shaped member and the second arc-shaped member are cooperatively clamped for fixing the rotation shaft of the pull ring.

8. The structure of claim 7, wherein the unlocking plate has elongated protrusions on both sides, and the elongated protrusions are engaged with the corresponding position-limiting grooves of the top cover and the bottom base for fixing the unlocking plate.

9. The 200G-CFP2 light module structure according to claim 8, wherein the top of the pull ring has an arc-shaped slot on one side, and the top of the top cover has a concave slot matching with the arc-shaped slot on one end.

10. The 200G-CFP2 optical module structure of claim 9, wherein the top of the unlocking slot is provided with a spring slot for placing a spring.

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