400G silicon optical module

Abstract

The utility model relates to the technical field of silicon optical modules, in particular to a 400G silicon optical module, which comprises a shell, an upper cover is movably arranged at the upper end of the shell, a PCB (printed circuit board) is fixedly mounted in the shell, a plurality of clamping seats are symmetrically and fixedly mounted on the surfaces of two sides of the upper cover in an embedded manner, and clamping plates are symmetrically and fixedly mounted on the surfaces of two sides in the shell. A J-shaped groove is formed in the surface of one side of the clamping plate, a U-shaped groove is formed in the surface of one side of the clamping seat, storage grooves are formed in the surface of one side of the J-shaped groove and the surface of one side of the U-shaped groove, and hollow elliptic cylinders are movably arranged in the storage grooves. According to the utility model, the connection mode between the shell and the upper cover can be changed to replace the clamping connection of a metal sheet, so that the reduction of the reset degree caused by the back-and-forth bending of the metal sheet after multiple times of disassembly is avoided, the shell and the upper cover can still keep higher connection firmness after multiple times of disassembly, and meanwhile, the sealing effect between the shell and the upper cover is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of silicon photonic modules, and in particular to a 400G silicon photonic module. Background Art

[0002] Silicon photonic modules use silicon photonic technology to integrate optoelectronic conversion and transmission modules on silicon chips. The mainstream module is the 100G optical module, but compared to 100G, 400G has higher speed, greater density and economy, which can meet the future development needs of data centers.

[0003] The announcement number is: CN215416013U, and the disclosure is "an airtight packaged silicon photonic 400G optical module, belonging to the field of optical communication technology. The optical module includes a shell and a silicon photonic module, the shell includes a mounting seat and an upper cover, the silicon photonic module includes a PCB board, a tube shell and a silicon photonic chip, the main chip is welded and fixed on the PCB board, the other end of the PCB board passes through the side wall of the tube shell and is fixedly connected to the inside of the tube shell, the silicon photonic chip is arranged inside the tube shell and is located on one side of the PCB board, the silicon photonic chip is provided with a light input optical waveguide, a silicon photonic modulator and a photodetector, at least one group of laser chips is arranged on one side of the tube shell, and a coupling lens is arranged on the side of the laser chip close to the silicon photonic chip, the laser chip only needs to realize long light emission, but not high-frequency modulation signal, and a mass-produced and lowest-cost TO packaging solution is selected, so as to significantly reduce the packaging cost of the laser transmitting end while realizing airtight packaging, and the packaging process is simple, making the promotion and application of 400G optical modules more convenient".

[0004] There are still certain drawbacks when using it. The outer shell and the upper cover are fixed by metal sheets on both sides of the outer shell being clamped in the slots on both sides of the upper cover. After multiple disassembly, the metal sheets bend back and forth, which can easily reduce the degree of restoration of the metal sheets, resulting in reduced connection strength between the outer shell and the upper cover. Utility Model Content

[0005] In order to overcome the above-mentioned technical problems, the purpose of the utility model is to provide a G silicon photonic module, which is inserted into the interior of the card seat by a card plate, and the card rod is slid. The card rod squeezes the hollow elliptical cylinder to deform, so that the card rod is inserted into the other end of the U-shaped groove and the J-shaped groove, and then the hollow elliptical cylinder recovers under the action of its own elastic force, and the card rod is fixed to the other end of the U-shaped groove and the J-shaped groove, so that the card plate and the card seat are connected and fixed, thereby connecting and fixing the outer shell and the upper cover, and then changing the connection method between the outer shell and the upper cover to replace the metal sheet clamping connection, so as to avoid the reduction of the reset degree caused by the bending back and forth of the metal sheet after multiple disassembly, so that the outer shell and the upper cover can still maintain a high connection firmness after multiple disassembly.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A G silicon photonic module comprises a shell, an upper cover is movably provided on the upper end of the shell, a PCB board is fixedly installed inside the shell, a plurality of card holders are symmetrically and fixedly embedded and installed on both side surfaces of the upper cover, a card board is symmetrically and fixedly installed on both side surfaces of the shell, a J-shaped groove is provided on one side surface of the card board, a U-shaped groove is provided on one side surface of the card holder, a storage groove is provided on one side surface of the J-shaped groove and the U-shaped groove, and a hollow elliptical column is movably provided inside the storage groove.

[0008] Furthermore, a connecting plug board is fixedly arranged at one end of the PCB board, an adapter assembly is fixedly installed at the other end of the PCB board, and a protective shell is fixedly arranged on the outer side of the adapter assembly.

[0009] Furthermore, an optical fiber interface is fixedly installed inside the housing at one end of the adapter assembly.

[0010] Furthermore, L-shaped connecting plates are fixedly installed at the lower ends of the inner surfaces of both sides of the upper cover, and plug plates are fixedly installed at the upper ends of the inner surfaces of both sides of the shell, and the plug plates are movably engaged and connected with the L-shaped connecting plates.

[0011] Furthermore, the card plate and the card seat are movably engaged and connected, and the upper end of the J-shaped groove passes through the upper surface of the card plate.

[0012] Furthermore, a clamping rod is slidably connected inside the U-shaped groove, and the clamping rod passes through the J-shaped groove and is slidably connected to the J-shaped groove.

[0013] Furthermore, a U-shaped mounting frame is fixedly mounted on a surface of one side of the inner portion of the storage slot, a slot is formed at one end of the hollow elliptical column, and the hollow elliptical column is movably engaged with the U-shaped mounting frame.

[0014] Beneficial effects of the utility model:

[0015] 1. When the upper cover is installed on the upper shell, the plug plate is inserted into the inner side of the L-shaped connecting plate to seal the connection between the upper cover and the shell, thereby increasing the sealing effect between the shell and the upper cover. At the same time, the friction between the plug plate and the L-shaped connecting plate increases the firmness of the connection between the upper cover and the shell.

[0016] 2. After the card plate is inserted into the card seat, slide the card rod to make it inserted into the other end of the U-shaped groove and the J-shaped groove. When the card rod moves to the hollow elliptical cylinder, it squeezes the hollow elliptical cylinder to deform, allowing the card rod to pass through, and then recovers under the action of its own elastic force, fixing the card rod to the other end of the U-shaped groove and the J-shaped groove, so that the card plate and the card seat are connected and fixed, thereby connecting and fixing the shell and the upper cover, and then changing the connection method between the shell and the upper cover to replace the metal sheet clamping connection, so as to avoid the reduction of the reset degree caused by the bending back and forth of the metal sheet after multiple disassembly, so that the shell and the upper cover can still maintain a high connection firmness after multiple disassembly.

[0017] 3. The U-shaped mounting frame makes it easy to disassemble and replace the hollow elliptical column. When the recovery ability of the hollow elliptical column decreases, the hollow elliptical column can be replaced to further maintain the connection firmness between the outer shell and the upper cover after multiple disassemblies. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the overall split structure of the utility model;

[0021] Figure 3 It is a schematic diagram of the overall vertical section structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the split structure of the card holder and the card plate of the utility model;

[0023] Figure 5 It is a schematic diagram of the cross-sectional structure of the card holder and the card plate of the utility model;

[0024] Figure 6 It is a schematic diagram of the side section structure of the card holder and the card plate of the utility model.

[0025] In the figure: 1. outer shell; 101. upper cover; 102. protective shell; 103. PCB board; 104. connecting plug board; 105. adapter assembly; 106. optical fiber interface; 2. L-shaped connecting plate; 201. plug board; 3. card holder; 301. card board; 302. J-shaped slot; 303. U-shaped slot; 304. storage slot; 305. U-shaped mounting frame; 306. hollow elliptical column; 307. card rod. DETAILED DESCRIPTION

[0026] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-6 As shown, a 400G silicon photonic module includes a shell 1, a top cover 101 is movably provided on the upper end of the shell 1, a PCB board 103 is fixedly installed inside the shell 1, a plurality of card holders 3 are symmetrically and fixedly embedded and installed on both side surfaces of the top cover 101, a card board 301 is symmetrically and fixedly installed on both side surfaces of the inner shell 1, a J-shaped groove 302 is provided on one side surface of the card board 301, a U-shaped groove 303 is provided on one side surface of the card holder 3, a storage groove 304 is provided on one side surface of the J-shaped groove 302 and the U-shaped groove 303, and a hollow elliptical cylinder 306 is movably provided inside the storage groove 304.

[0028] A connecting plug board 104 is fixedly provided at one end of the PCB board 103, and an adapter assembly 105 is fixedly installed at the other end of the PCB board 103. A protective shell 102 is fixedly sleeved on the outer side of the adapter assembly 105; an optical fiber interface 106 is fixedly installed at one end of the adapter assembly 105 inside the shell 1; L-shaped connecting plates 2 are fixedly installed at the lower ends of the inner surfaces of both sides of the upper cover 101, and plug boards 201 are fixedly installed at the upper ends of the inner surfaces of both sides of the shell 1, and the plug boards 201 are movably engaged with the L-shaped connecting plates 2. When the upper cover 101 is installed on the top of the shell 1, the plug board 201 is inserted into the inner side of the L-shaped connecting plate 2 to seal the connection between the upper cover 101 and the shell 1, thereby increasing the sealing effect between the shell 1 and the upper cover 101, and at the same time, the friction between the plug board 201 and the L-shaped connecting plate 2 increases the firmness of the connection between the upper cover 101 and the shell 1.

[0029] The clamping plate 301 is movably connected to the clamping seat 3, and the upper end of the J-shaped groove 302 passes through the upper surface of the clamping plate 301, and the opening at the upper end of the J-shaped groove 302 is convenient for the clamping rod 307 to be clamped in; a clamping rod 307 is slidably connected to the inside of the U-shaped groove 303, and the clamping rod 307 passes through the J-shaped groove 302 and is slidably connected to the J-shaped groove 302. The clamping rod 307 is initially located at one end of the U-shaped groove 303, so that the clamping rod 307 is clamped into the J-shaped groove 302. After the clamping plate 301 is clamped into the inside of the clamping seat 3, the clamping rod 307 is slidable so that the clamping rod 307 is clamped into the other end of the U-shaped groove 303 and the J-shaped groove 302; a U-shaped mounting bracket 305 is fixedly installed on the surface of one side of the inner side of the storage groove 304, and a slot is opened at one end of the hollow elliptical column 306, and the hollow elliptical column 306 is movably clamped and connected to the U-shaped mounting bracket 305, and the clamping rod 307 is moved to the hollow elliptical column 306. , squeezing the hollow elliptical cylinder 306 to deform, allowing the clamping rod 307 to pass through, and then recovering under the action of its own elastic force, fixing the clamping rod 307 to the other end of the U-shaped groove 303 and the J-shaped groove 302, so that the clamping plate 301 and the clamping seat 3 are connected and fixed, thereby connecting and fixing the shell 1 and the upper cover 101, and then changing the connection method between the shell 1 and the upper cover 101 to replace the metal sheet clamping connection, so as to avoid the reduction of the degree of restoration caused by the bending back and forth of the metal sheet after multiple disassemblies, so that the shell 1 and the upper cover 101 can still maintain a high connection firmness after multiple disassemblies, and the U-shaped mounting frame 305 makes it easy to disassemble and replace the hollow elliptical cylinder 306. When the recovery ability of the hollow elliptical cylinder 306 decreases, the hollow elliptical cylinder 306 is replaced to further maintain the connection firmness between the shell 1 and the upper cover 101 after multiple disassemblies.

[0030] Working principle: When in use, when the upper cover 101 is installed on the upper part of the outer shell 1, the plug plate 201 is inserted into the inner side of the L-shaped connecting plate 2 to seal the connection between the upper cover 101 and the outer shell 1, thereby increasing the sealing effect between the outer shell 1 and the upper cover 101. At the same time, the friction between the plug plate 201 and the L-shaped connecting plate 2 increases the firmness of the connection between the upper cover 101 and the outer shell 1. The clamping rod 307 is initially located at one end inside the U-shaped groove 303, so that the clamping rod 307 is inserted into the J-shaped groove 302. After the clamping plate 301 is inserted into the inside of the clamping seat 3, the clamping rod 307 is slid so that the clamping rod 307 is inserted into the other end of the U-shaped groove 303 and the J-shaped groove 302. When the clamping rod 307 moves to the hollow elliptical column 306, the hollow elliptical column 306 is squeezed to deform, so that the clamping rod 307 passes through, and then Afterwards, it recovers under the action of its own elastic force, and fixes the clamping rod 307 to the other end of the U-shaped groove 303 and the J-shaped groove 302, so that the clamping plate 301 and the clamping seat 3 are connected and fixed, thereby connecting and fixing the shell 1 and the upper cover 101. Then, by changing the connection method between the shell 1 and the upper cover 101, the metal sheet clamping connection is replaced to avoid the reduction of the degree of restoration caused by the bending back and forth of the metal sheet after multiple disassembly, so that the shell 1 and the upper cover 101 can still maintain a high connection firmness after multiple disassembly, and the U-shaped mounting frame 305 makes it easy to disassemble and replace the hollow elliptical column 306. When the restoring ability of the hollow elliptical column 306 decreases, the hollow elliptical column 306 is replaced to further maintain the connection firmness of the shell 1 and the upper cover 101 after multiple disassembly.

[0031] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0032] The above contents are merely examples and explanations of the present utility model. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the utility model or exceed the scope defined in the claims, they should all fall within the protection scope of the present utility model.

Claims

1. A 400G silicon photonic module, characterized in that: The invention comprises a shell (1), wherein an upper cover (101) is movably provided on the upper end of the shell (1), a PCB board (103) is fixedly installed inside the shell (1), a plurality of card holders (3) are symmetrically and fixedly embedded in the two side surfaces of the upper cover (101), a card board (301) is symmetrically and fixedly installed on the two side surfaces inside the shell (1), a J-shaped groove (302) is provided on one side surface of the card board (301), a U-shaped groove (303) is provided on one side surface of the card holder (3), a storage groove (304) is provided on one side surface of the J-shaped groove (302) and the U-shaped groove (303), and a hollow elliptical column (306) is movably provided inside the storage groove (304).

2. A 400G silicon photonic module according to claim 1, characterized in that: A connecting plug board (104) is fixedly provided at one end of the PCB board (103), an adapter assembly (105) is fixedly installed at the other end of the PCB board (103), and a protective shell (102) is fixedly provided on the outside of the adapter assembly (105).

3. A 400G silicon photonic module according to claim 2, characterized in that: An optical fiber interface (106) is fixedly mounted inside the housing (1) at one end of the adapter assembly (105).

4. The 400G silicon photonic module according to claim 1, characterized in that: L-shaped connecting plates (2) are fixedly mounted at the lower ends of both side surfaces of the upper cover (101), and plug plates (201) are fixedly mounted at the upper ends of both side surfaces of the outer shell (1), and the plug plates (201) are movably engaged and connected to the L-shaped connecting plates (2).

5. The 400G silicon photonic module according to claim 1, characterized in that: The card plate (301) and the card seat (3) are movably engaged and connected, and the upper end of the J-shaped groove (302) passes through the upper surface of the card plate (301).

6. The 400G silicon photonic module according to claim 1, characterized in that: A clamping rod (307) is slidably connected inside the U-shaped groove (303); the clamping rod (307) passes through the J-shaped groove (302) and is slidably connected to the J-shaped groove (302).

7. The 400G silicon photonic module according to claim 1, characterized in that: A U-shaped mounting frame (305) is fixedly mounted on one side surface of the interior of the storage slot (304), a slot is provided at one end of the hollow elliptical column (306), and the hollow elliptical column (306) is movably engaged and connected to the U-shaped mounting frame (305).

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