WO2022120946A1 - 一种光模块 - Google Patents

一种光模块 Download PDF

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Publication number
WO2022120946A1
WO2022120946A1 PCT/CN2020/138352 CN2020138352W WO2022120946A1 WO 2022120946 A1 WO2022120946 A1 WO 2022120946A1 CN 2020138352 W CN2020138352 W CN 2020138352W WO 2022120946 A1 WO2022120946 A1 WO 2022120946A1
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WO
WIPO (PCT)
Prior art keywords
hole
optical module
base
rotating
shaft
Prior art date
Application number
PCT/CN2020/138352
Other languages
English (en)
French (fr)
Inventor
梅凯
全本庆
周芸
孙莉萍
Original Assignee
武汉电信器件有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 武汉电信器件有限公司 filed Critical 武汉电信器件有限公司
Priority to EP20964876.5A priority Critical patent/EP4261577A4/en
Priority to US18/256,793 priority patent/US20240027701A1/en
Publication of WO2022120946A1 publication Critical patent/WO2022120946A1/zh

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4256—Details of housings
    • G02B6/426—Details of housings mounting, engaging or coupling of the package to a board, a frame or a panel
    • G02B6/4261—Packages with mounting structures to be pluggable or detachable, e.g. having latches or rails
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4292—Coupling light guides with opto-electronic elements the light guide being disconnectable from the opto-electronic element, e.g. mutually self aligning arrangements

Definitions

  • the invention belongs to the technical field of optical communication, and more particularly, relates to an optical module.
  • the optical module realizes the electrical-to-optical conversion and the optical-to-electrical conversion of the signal at the transmitting end and the receiving end respectively. Since the transmission of communication signals mainly uses optical fibers as the medium, and the generator, forwarder, processing and receiving ends process electrical signals, optical modules have a wide and growing market space.
  • the upstream of the optical module is mainly optical chips and passive optical devices, and the downstream customers are mainly telecom equipment manufacturers, operators and Internet cloud computing companies.
  • Optical modules follow the chip-assembly (OSA)-module packaging sequence.
  • the laser chip and the detector chip are formed by traditional TO packaging to form TOSA (Transmitter Optical Subassembly, abbreviated as TOSA) and ROSA (Receiver Optical Subassembly, abbreviated as ROSA).
  • TOSA Transmitter Optical Subassembly
  • ROSA Receiveiver Optical Subassembly
  • PCB PCB
  • COB Chip On board, abbreviated as COB
  • COB Chip On board, which is mainly used in short-distance multi-mode, adopts a hybrid integration method, and the chip is mounted on the PCB through a special bonding and welding process, and a non-hermetic package is used.
  • SFP Small Form-factor Pluggable
  • AOC Active Optical Cables, abbreviated as AOC
  • optical communication as one of the most important information and communication infrastructures, plays an increasingly prominent role in supporting my country's social informatization, broadband construction and network powerhouse.
  • the rapid development of the optical communication industry has driven the upgrading of optical modules.
  • optical modules are the development of highly integrated small packages.
  • the optical module SFP+ is still the mainstay of the optical module family in the past 5 to 10 years. Especially in recent years, the long-distance 40km LR SFP+ has developed rapidly. The improvement and optimization of SFP+ optical modules has great prospects and significance.
  • the packaging structure when the optical module is applied to the data center switch, the optical module will be repeatedly inserted and unplugged during the use process, which is difficult to unplug, and in the process of more than 100 times of plugging and unplugging, the optical module itself is prone to appear. Broken failure.
  • the trend of optical modules is large capacity and small volume. In order to cope with the dense interface of data center switches, the packaging structure of optical modules must be more compact.
  • the present invention provides an optical module, the purpose of which is to solve the problem of difficulty in plugging and unplugging the optical module in the dense cabinet through the long pull-ring structure, and the push-type unlocking structure
  • the space inside the optical module is guaranteed to the greatest extent, and the structure of the optical module itself will not be damaged during the unlocking process, which improves the reliability of the optical module and increases the service life of the optical module; It is difficult to insert and unplug, the optical module is easily damaged during the unlocking process, and the unlocking structure occupies a large space.
  • an optical module includes: a pull ring 1, a rotating fork 2, an unlocking body 3 and a base 4, and the unlocking body 3 is provided with a fork opening 30.
  • the base 4 is provided with a projection 40, the unlocking body 3 is arranged on the base 4, the unlocking body 3 is connected with the rotating fork 2, and the rotating fork 2 is movable with the base 4 connection, the pull ring 1 is connected with the rotating fork 2;
  • the bump 40 is used for coupling with the locking hole 15 of the interface device, so as to lock the optical module on the interface device;
  • the pull ring 1 is used for receiving external force to drive the rotating fork 2 to rotate along the base 4 .
  • the rotating fork 2 pushes the unlocking body 3 to approach the protrusion 40 until the fork 30 abuts against the locking hole 15 of the interface device, thereby decoupling the protrusion 40 from the locking hole 15 of the interface device.
  • the rotating fork 2 includes a rotating arm 20, the rotating arm 20 is provided with a force receiving part, a rotating part and a force applying part, the force receiving part is connected with the pull ring 1, and the rotating part is connected with The base 4 forms a rotational connection, and the force applying portion is connected with the unlocking body 3;
  • the force receiving portion receives the external force from the pull ring 1, and drives the rotating arm 20 to rotate around the rotating portion.
  • the direction of block 40 moves.
  • the force-applying portion is specifically a rotating shaft 21 , a groove 31 is provided on the unlocking body 3 , and the rotating shaft 21 is disposed in the groove 31 ;
  • the rotating arm 20 When the pull ring 1 receives an external force, the rotating arm 20 receives the external force and rotates around the rotating part. During the rotating process, the rotating shaft 21 pushes the unlocking body 3 toward the position through the groove 31 . move in the direction of the bump 40 .
  • the force applying portion is specifically a coupling hole
  • the unlocking body 3 is provided with a fixing shaft
  • the fixing shaft is arranged in the coupling hole
  • the force receiving part receives the external force from the pull ring 1 , the rotating arm 20 rotates around the rotating part, during the rotating process, the coupling hole drives the unlocking body 3 to approach the protrusion Move in the direction of 40.
  • the force-applying portion is specifically a fixed shaft
  • the unlocking body 3 is provided with a coupling hole
  • the fixed shaft is disposed in the coupling hole.
  • the force-receiving portion is specifically a fixing column 201
  • the rotating portion is specifically a shaft hole 202
  • the base 4 is provided with a shaft column 41
  • the pull ring 1 is provided with a fixing hole 11 ;
  • the fixing column 201 is coupled with the fixing hole 11 , the shaft column 41 is accommodated in the shaft hole 202 , and the shaft column 41 and the shaft hole 202 can rotate relative to each other.
  • the force-receiving portion is specifically a fixing hole
  • the rotating portion is specifically a shaft hole 202
  • the base 4 is provided with a shaft column 41
  • the pull ring 1 is provided with a fixing column;
  • the fixing column is coupled with the fixing hole, the shaft column 41 is accommodated in the shaft hole 202 , and the shaft column 41 and the shaft hole 202 can rotate relative to each other.
  • the force-receiving part is specifically a fixing column 201
  • the rotating part is a shaft column
  • the base 4 is provided with a shaft hole
  • the pull ring 1 is provided with a fixing hole 11 ;
  • the fixing column 201 is coupled with the fixing hole 11 , the shaft column is accommodated in the shaft hole, and the shaft column and the shaft hole are relatively rotatable.
  • the force-receiving portion is specifically a fixing hole
  • the rotating portion is specifically a shaft column
  • the base 4 is provided with a shaft hole
  • the pull ring 1 is provided with a fixing column;
  • the fixing column is coupled with the fixing hole, the shaft column is accommodated in the shaft hole, and the shaft column and the shaft hole are relatively rotatable.
  • the base 4 is provided with a guide groove 42
  • the pull ring 1 is provided with a bent portion 12
  • the bent portion 12 is provided in the guide groove 42
  • the bent portion 12 can be along the move along the guide groove 42 .
  • the optical module further includes an elastic member 5 , a first accommodating space 43 is provided on the base 4 , the elastic member 5 is accommodated in the first accommodating space 43 , and the unlocking body 3 is provided with There is a blocking surface 33;
  • the blocking surface 33 compresses the elastic member 5; after the external force exerted on the pull ring 1 is released, the elastic The member 5 recovers its deformation, and applies an external force to the blocking surface 33 , so that the unlocking body 3 moves in a direction away from the protrusion 40 .
  • the base 4 is provided with a side plate 44 and a fixing surface 45 , the side plate 44 , the fixing surface 45 and the side surface of the base 4 form the first receiving space 43 , and the fixing surface 45
  • a mounting post 451 is provided thereon, one end of the elastic member 5 is sleeved on the mounting post 451 , and the other end of the elastic member 5 is disposed adjacent to the blocking surface 33 .
  • the base 4 is provided with a stepped surface 46
  • the unlocking body 3 is provided with a turning surface 34 and a restricting surface 35
  • the restricting surface 35 is connected with the stop surface 33;
  • the blocking surface 33 compresses the elastic member 5, and the restricting surface 35 moves along the side plate 44 until the turning The surface 34 abuts the stepped surface 46 .
  • the optical module further includes a circuit board 6 and an upper cover 7 , an optical fiber device 60 is provided on the circuit board 6 , and a cylindrical portion 601 and a disc portion 602 are provided on the optical fiber device 60 .
  • the base 4 The upper cover is provided with a first cylindrical surface 47 and a semicircular groove 48, the upper cover 7 is provided with a second cylindrical surface 71, the disc portion 602 is provided in the semicircular groove 48, and the cylindrical portion 601 is limited to the in the space formed by the first cylindrical surface 47 and the second cylindrical surface 71 .
  • the optical module further includes a screw 8, the upper cover 7 is provided with a first through hole 72, the base 4 is provided with a threaded hole 49, the screw 8 penetrates the first through hole 72, And form a threaded connection with the threaded hole 49 to relatively fix the upper cover 7 and the base 4 .
  • the optical module further includes a first cover 9, the top surface of the first cover 9 is provided with a second through hole 91, the side surface of the first cover 9 is provided with a third through hole 92, and the base 4 is provided with a first wedge table 50, the bump 40 passes through the second through hole 91, and the third through hole 92 is engaged with the first wedge table 50, so as to connect the first cover 9 is fixed on the base 4 .
  • the optical module further includes a second cover 10 , a side surface of the second cover 10 is provided with a fourth through hole 101 , the base 4 is provided with a second wedge 51 , the fourth through hole 101 It is engaged with the second wedge table 51 to fix the second cover 10 on the base 4 .
  • the present invention provides an optical module, the optical module includes: a pull ring, a rotating fork, an unlocking body and a base , the unlocking body is provided with a fork opening, the base is provided with a projection, the unlocking body is arranged on the base, the unlocking body is connected with the rotating fork, and the rotating fork is connected with the base
  • the pull ring is connected with the rotating fork; wherein, the protruding block is used for coupling with the locking hole of the interface device, so as to lock the optical module on the interface device.
  • the pull ring drives the rotary fork to rotate along the base.
  • the rotary fork it pushes the unlocking body to move toward the direction close to the projection until the fork is abutted against the locking hole of the interface device, and then the projection is connected to the locking hole of the interface device.
  • the keyhole of the interface device is decoupled to realize the unlocking function.
  • the long pull-ring structure solves the problem of difficult insertion and removal of optical modules in dense cabinets.
  • the push-type unlocking structure ensures the space inside the optical module to the greatest extent, and during the unlocking process, the optical module itself will not be damaged.
  • the structure improves the reliability of the optical module and increases the service life of the optical module; it solves the problem that the optical module is difficult to plug and unplug in the dense cabinet, the optical module is easily damaged during the unlocking process, and the unlocking structure occupies a large space.
  • FIG. 1 is a schematic structural diagram of an optical module provided by an embodiment of the present invention.
  • FIG. 2 is an exploded schematic diagram of an optical module provided by an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a pull ring provided by an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a rotating fork provided by an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of an unlocking body provided by an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a base provided by an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of the base in FIG. 6 from another perspective provided by an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of the internal structure of the base in FIG. 6 provided by an embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram corresponding to the transition from a locked state to an unlocked state, and the reset from the unlocked state to the locked state of an optical module provided by an embodiment of the present invention
  • FIG. 10 is a schematic structural diagram corresponding to the transition from a locked state to an unlocked state of an optical module provided by an embodiment of the present invention.
  • FIG. 11 is a schematic structural diagram of a fork opening against a locking hole of an interface device provided by an embodiment of the present invention.
  • FIG. 12 is a schematic structural diagram of a circuit board provided by an embodiment of the present invention.
  • FIG. 13 is a schematic structural diagram of an upper cover provided by an embodiment of the present invention.
  • FIG. 14 is a schematic structural diagram of a first housing provided by an embodiment of the present invention.
  • FIG. 15 is a schematic structural diagram of a second housing provided by an embodiment of the present invention.
  • 16 is a schematic structural diagram of a pull ring, an unlocking fork and an unlocking body provided by an embodiment of the present invention
  • FIG. 17 is a schematic structural diagram of another pull ring, unlocking fork and unlocking body provided by an embodiment of the present invention.
  • this embodiment provides an optical module
  • the optical module includes: a pull ring 1, a rotating fork 2, an unlocking body 3 and a base 4, the unlocking body 3 is provided with a fork 30, The base 4 is provided with a projection 40, the unlocking body 3 is arranged on the base 4, the unlocking body 3 is connected with the rotating fork 2, and the rotating fork 2 is movably connected with the base 4, The pull ring 1 is connected with the rotating fork 2 .
  • the bump 40 is used for coupling with the locking hole 15 (as shown in FIG. 11 ) of the interface device, so as to lock the optical module on the interface device.
  • the unlocking method in this embodiment is as follows: the pull ring 1 is used to receive an external force to drive the rotating fork 2 to rotate along the base 4 , and the rotating fork 2 pushes the unlocking during the rotation process.
  • the body 3 moves in a direction close to the protruding block 40 until the fork 30 abuts against the locking hole 15 of the interface device, thereby decoupling the protruding block 40 from the locking hole 15 of the interface device.
  • the middle part of the fork 30 is a notch, and the two sides of the fork 30 are wedge-shaped, and the notch corresponds to the position of the projection 40.
  • the wedge-shaped The side part will first contact the locking hole 15 of the interface device to abut against the locking hole 15 of the interface device; at the same time, the notch can just avoid the bump 40 to avoid interference.
  • the pull ring 1 drives the rotating fork 2 to rotate along the base 4.
  • the rotating fork 2 pushes the unlocking body 3 to move toward the direction close to the protrusion 40 until the fork 30 abuts against the opening of the interface device. lock hole 15, and then decouple the bump 40 from the lock hole 15 of the interface device to realize the unlocking function.
  • the long pull-ring structure solves the problem of difficult insertion and removal of optical modules in dense cabinets.
  • the push-type unlocking structure ensures the space inside the optical module to the greatest extent, and during the unlocking process, the optical module itself will not be damaged.
  • the structure improves the reliability of the optical module and increases the service life of the optical module; it solves the problem that the optical module is difficult to plug and unplug in the dense cabinet, the optical module is easily damaged during the unlocking process, and the unlocking structure occupies a large space.
  • the rotating fork 2 includes a rotating arm 20.
  • the rotating arm 20 is provided with a force receiving part, a rotating part and a force applying part.
  • the force receiving part is connected to the pull ring 1, and the The rotating part forms a rotating connection with the base 4 , the force applying part is connected with the unlocking body 3 ; the force receiving part receives the external force from the pull ring 1 , and the rotating arm 20 rotates around the During the rotation process, the unlocking body 3 is pushed to move toward the direction close to the protrusion 40 by the force applying part.
  • the number of the rotating arms 20 may be one or two. When the number of the rotating arms 20 is two, the two rotating arms 20 are symmetrically arranged relative to the base 4 . In a preferred embodiment, the number of rotating arms 20 is two, and this structure bears more uniform force.
  • the specific structures of the force-receiving part and the rotating part on the rotating arm 20 can be implemented in a variety of alternatives.
  • the structure can also be designed accordingly.
  • the force-receiving part is specifically a fixing column 201 , and the pulling ring 1 is provided with a fixing hole 11 ; the fixing column 201 and the fixing hole are 11 coupling, the shaft post 41 is accommodated in the shaft hole 202 , and the shaft post 41 and the shaft hole 202 can rotate relative to each other.
  • the force-receiving portion is a fixing hole (not shown)
  • the pull ring 1 is provided with a fixing column (not shown)
  • the fixing hole may be long A bar-shaped hole, a U-shaped hole or a U-shaped opening, and the fixing column is arranged in the fixing hole.
  • the rotating portion is a shaft hole, and a shaft column is provided on the base 4 , and the shaft column and the shaft hole can rotate relative to each other.
  • the rotating part is a shaft column, a shaft hole is provided on the base 4 , and the shaft column and the shaft hole can rotate relatively to pass through the shaft hole and the shaft The posts form a rotational connection.
  • the specific structure of the force-applying portion on the rotating arm 20 can be implemented in a variety of alternative ways.
  • the structure of the connection between the base 4 and the force-applying portion and the structure of the unlocking body 3 and the force-applying portion are also The corresponding design can be carried out.
  • the force applying portion is specifically a rotating shaft 21 , the rotating shaft 21 is connected to the rotating arm 20 , and a groove 31 is provided on the unlocking body 3 , the rotating shaft 21 is arranged in the groove 31; when the pull ring 1 receives an external force, the rotating arm 20 receives the external force and rotates around the shaft column 41. During the rotating process, the rotating shaft 21 The unlocking body 3 is pushed to move toward the direction close to the protrusion 40 through the groove 31 .
  • the force applying portion is specifically a coupling hole 21 ′
  • the unlocking body 3 is provided with a fixed shaft 31 ′
  • the fixed shaft 31 ′ is provided with the coupling
  • the force-receiving part of the rotating arm 20 receives the external force from the pull ring 1 and rotates around the shaft column 41.
  • the coupling hole 21' drives the unlocking The body 3 moves toward the direction close to the bump 40 .
  • the force applying portion is specifically a fixed shaft, and the unlocking body 3 is provided with a coupling hole.
  • Figure 16 and Figure 17 are the deformation methods of the pull ring, the unlocking fork and the unlocking body, which mainly provide design ideas.
  • the structure of the pulling ring, the unlocking fork and the unlocking body can be adapted to ensure that the Compatible with other components of the optical module.
  • the number of unlocking forks can also be two to ensure uniform force.
  • the rotating fork 2 includes two oppositely arranged rotating arms 20 and a rotating shaft 21 connected to the rotating arms 20 .
  • a fixing post 201 and a shaft hole 202 are provided, the base 4 is provided with a shaft post 41, the pull ring 1 is provided with a fixing hole 11, and the unlocking body 3 is provided with a groove 31; the fixing post 201 Coupled with the fixing hole 11 , the shaft post 41 and the shaft hole 202 form a rotational connection, and the rotating shaft 21 is arranged in the groove 31 ; when the pull ring 1 receives an external force, the rotating arm 20 receives external force and rotates around the shaft column 41 .
  • the rotating shaft 21 pushes the unlocking body 3 to move toward the direction close to the protrusion 40 through the groove 31 .
  • the fixing column 201 is a circular column, and the fixing hole 11 is a waist hole. This structure can not only fix the rotating fork 2 on the pull ring 1, but also facilitate disassembly and assembly.
  • the base 4 is provided with a guide groove 42
  • the pull ring 1 is provided with a bent portion 12
  • the bent portion 12 is provided in the guide groove 42
  • the bending The part 12 can move along the guide groove 42 , so as to ensure that the pull ring 1 can move relative to the base 4 .
  • the optical module further includes an elastic member 5, wherein the elastic member 5 can be a spring, the base 4 is provided with a first accommodation space 43, and the elastic member 5 is accommodated in the In the first accommodating space 43 , the unlocking body 3 is provided with a blocking surface 33 ; wherein, when the unlocking body 3 moves toward the direction close to the protrusion 40 , the blocking surface 33 compresses the elastic member 5; After the external force exerted on the pull ring 1 is released, the elastic member 5 recovers its deformation, and applies an external force to the blocking surface 33 to make the unlocking body 3 move away from the protrusion 40 move.
  • the unlocking body 3 can complete the automatic reset, and the unlocking structure of the optical module returns to the initial state, realizing the function of automatic reset.
  • the base 4 is provided with a side plate 44 and an installation surface, and the side plate 44 , the installation surface and the side surface of the base 4 form the first accommodation space 43 ,
  • the mounting surface is provided with a mounting post 451 , one end of the elastic member 5 is sleeved on the mounting post 451 , and the other end of the elastic member 5 is disposed adjacent to the blocking surface 33 .
  • the mounting post 451 may be a conical post.
  • the unlocking body 3 is provided with a turning surface 34 and a restricting surface 35 , and the restricting surface 35 is connected with the stop surface 33 ;
  • the blocking surface 33 compresses the elastic member 5
  • the restricting surface 35 moves along the side plate 44 until the turning surface 34 abuts the stepped surface 46 .
  • the pull ring 1 further includes a first side surface 13, and the base 4 is provided with a first limiting surface 52 and a second limiting surface 53.
  • the first side surface 13 of the pull ring 1 abuts against the first limiting surface 52 , so as to limit the pull ring 1 to a preset position to ensure that the optical module is stably locked.
  • the rotating shaft 21 of the rotating fork 2 is pressed against the second limiting surface 53 , thereby limiting the moving distance of the fork 30 , preventing the fork 30 from moving to the right for too long and damaging the bumps 40 and 40 . interface device.
  • FIG. 10 the figure on the left shows that the optical module is in the locked state (corresponding to the uppermost figure and the lowermost figure in FIG. 9).
  • Figure 9 the figure on the right shows that the optical module is in an unlocked state (corresponding to the middle figure in Figure 9).
  • the locked state of the optical module under the action of the elastic member 5, the unlocking body 3 stops at the limit position on the left (as shown in the uppermost figure in Figure 9), and the rotating fork 2 and the pull ring 1 stop at the position shown in Figure 10 , the bump 40 of the base 4 protrudes outward.
  • the interface device for example, the interface device is a switch cage
  • the protrusion 40 of the base 4 is snapped into the locking hole 15 of the interface device (as shown in FIG. 11 ).
  • the first side surface 13 of the pull ring 1 abuts the first limiting surface 52 to limit the position.
  • the unlocked state of the optical module Pull the pull ring 1 to move to the left (using the perspective of FIG. 10 as an example), the fixing hole 11 of the pull ring 1 drives the fixing column 201 of the rotating fork 2, thereby applying a leftward horizontal force to the rotating fork 2 , One end of the rotating arm 20 is forced to drive the rotating fork 2 to rotate around the rotating shaft 21 on the base 4, and the rotating shaft 21 of the rotating fork 2 pushes the groove 31 of the unlocking body 3 to move to the right, thereby pushing the unlocking body 3 to move to the right.
  • the elastic member 5 is in a squeezed state, the fork 30 of the unlocking body 3 protrudes, and the locking hole 15 of the interface device is opened, and the protrusion 40 of the base 4 is locked from the interface device. out of hole 15 (as shown).
  • the rotating shaft 21 of the rotating fork 2 rests on the second limiting surface 53 to limit the position, thereby limiting the moving distance of the fork 30 and preventing the fork 30 from moving to the right for too long and damage. Bumps 40 and interface devices.
  • the elastic member 5 restores its deformation, pushes the blocking surface 33 of the unlocking body 3 to move to the left, and the unlocking body 3 returns to the left limit position, that is, the initial locked state, and completes the reset.
  • the unlocking structure adopts the top lever principle of leveling and pushing. Pulling the pull ring 1 drives the lower end of the rotating fork 2 to move to the left and the upper end to the right to push the unlocking body 3 to move to the right, and the fork 30 at the front end of the unlocking body 3 picks Open the shrapnel of the interface device, so that the bump 40 on the optical module base 4 is released from the lock hole 15 of the interface device, and the unlocking action is completed, and the optical module can be pulled out from the interface device. Loosen the pull ring 1, push the unlocking body 3 with the help of the spring force, the unlocking body 3 can complete the automatic reset, and the unlocking structure of the optical module returns to the initial state.
  • the optical module further includes a circuit board 6 and an upper cover 7, the circuit board 6 is provided with an optical fiber device 60, and the optical fiber device 60 is provided with a cylindrical portion 601 and a disc portion 602,
  • the base 4 is provided with a first cylindrical surface 47 and a semicircular groove 48
  • the upper cover 7 is provided with a second cylindrical surface 71
  • the disc portion 602 is provided in the semicircular groove 48
  • the cylindrical portion 601 It is confined in the space formed by the first cylindrical surface 47 and the second cylindrical surface 71 .
  • the optical module further includes screws 8, the upper cover 7 is provided with a first through hole 72, the base 4 is provided with a threaded hole 49, the screw 8 penetrates the first through hole 72, and A threaded connection is formed with the threaded hole 49 to relatively fix the upper cover 7 and the base 4 .
  • the upper cover 7 further includes a sliding groove 73 , the pull ring 1 is provided with a second side surface 14 , the second side surface 14 is arranged in the sliding groove 73 , and the second side surface 14 can be slide in the sliding groove 73 .
  • the base 4 further includes a support table 54 and a positioning column 55 , the circuit board 6 is provided with a positioning groove 61 , the support table 54 is used to support the circuit board 6 , and the positioning groove 61 Coupled with the positioning posts 55 , the circuit board 6 is stably placed on the base 4 .
  • the base 4 further includes a first coupling surface 56
  • the upper cover 7 includes a second coupling surface 74
  • the first coupling surface 56 and the second coupling surface 74 are in contact with each other, so as to connect the The upper cover 7 is flatly placed on the base 4 .
  • the optical module further includes a first cover 9, the top surface of the first cover 9 is provided with a second through hole 91, and the side surface of the first cover 9 is provided with a third through hole 92,
  • the base 4 is provided with a first wedge stage 50 , the protrusion 40 passes through the second through hole 91 , and the third through hole 92 is engaged with the first wedge stage 50 to connect the The first cover 9 is fixed on the base 4 .
  • the optical module further includes a second cover 10 , a side surface of the second cover 10 is provided with a fourth through hole 101 , the base 4 is provided with a second wedge 51 , the fourth The through hole 101 is engaged with the second wedge 51 to fix the second cover 10 on the base 4 .
  • the pull ring 1 drives the rotating fork 2 to rotate along the base 4.
  • the rotating fork 2 pushes the unlocking body 3 to move toward the direction close to the protrusion 40 until the fork 30 abuts against the opening of the interface device. lock hole 15, and then decouple the bump 40 from the lock hole 15 of the interface device to realize the unlocking function.
  • the long pull ring structure solves the problem of difficult insertion and removal of optical modules in dense cabinets.
  • the push-type unlocking structure ensures the space inside the optical module to the greatest extent, and during the unlocking process, the optical module itself will not be damaged.
  • the structure improves the reliability of the optical module and increases the service life of the optical module; it solves the problem that the optical module is difficult to plug and unplug in the dense cabinet, the optical module is easily damaged during the unlocking process, and the unlocking structure occupies a large space.
  • the unlocking operation is convenient and quick, and the flat-push unlocking can avoid damage to the optical module, and the optical module has high reliability, stable structure, and easy assembly and disassembly.
  • the self-reset unlocking design can be applied to various OSA devices and COB device packages, which can meet many application scenarios.
  • the optical module has the following characteristics: the bumps used for locking are designed with fixed points, with high dimensional accuracy and reliable locking; flat push unlocking, the unlocking structure occupies a small space, and has a limited volume. Larger inner cavity space can be adapted to various large-scale high-speed optical devices, adapting to the development trend of small package and high speed of optical modules in the future; the pull ring can be automatically reset, which is convenient for re-locking; the flat-pull unlocking is convenient for the module Plugging and unplugging on dense cabinets; it adopts sheet metal flat design, compact structure, and supports SFP+ under LC optical port to be unlocked without pulling out the pigtail, which brings great convenience to the operator; there is no unlocking part. Screw design, easy assembly and production, high reliability.
  • unlocking structure of this embodiment is suitable for the coaxial device package of the optical module, such as the PCBA of BOSA.

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Abstract

一种光模块，光模块包括：拉环（1）、转动叉（2）、解锁体（3）和底座（4），解锁体（3）上设置有叉口（30），底座（4）上设置有凸块（40），解锁体（3）设置在底座（4）上，解锁体（3）与转动叉（2）连接，转动叉（2）与底座（4）活动连接，拉环（1）与转动叉（2）连接；其中，凸块（40）用于与接口设备的锁孔（15）耦合，以将光模块锁定在接口设备上。通过拉环（1）带动转动叉（2）沿着底座（4）转动，转动叉（2）在转动的过程中，推动解锁体（3）向靠近凸块（40）的方向移动，直至叉口（30）抵开接口设备的锁孔（15），进而将凸块（40）与接口设备的锁孔（15）解耦合，实现解锁功能。推挤式的解锁结构最大程度上保证了光模块内部的空间，且在解锁过程中，不会破坏光模块自身的结构，提高了光模块的可靠性。

Description

一种光模块 技术领域
本发明属于光通信技术领域，更具体地，涉及一种光模块。
背景技术
光模块(Optical transceiver)作为一种重要的有源光器件，在发送端和接收端分别实现信号的电-光转换和光-电转换。由于通信信号的传输主要以光纤作为介质，而产生端、转发端、处理端、接收端处理的是电信号，光模块具有广泛和不断增长的市场空间。光模块的上游主要为光芯片和无源光器件，下游客户主要为电信主设备商、运营商以及互联网云计算企业。
光模块遵循芯片—组件(OSA)—模块的封装顺序。激光器芯片和探测器芯片通过传统的TO封装形成TOSA(Transmitter Optical Subassembly，简写为TOSA)及ROSA(Receiver Optical Subassembly，简写为ROSA)，同时将配套电芯片贴装在PCB(Printed Circuit Board，简写为PCB)上，再通过精密耦合连接光通道和光纤，最终封装成为一个完整的光模块。新兴的主要应用于短距多模的COB(Chip On board，简写为COB)采用混合集成方法，通过特殊的键合焊接工艺将芯片贴装在PCB上，并采用非气密性封装。
其中，SFP(Small Form-factor Pluggable，简写为SFP)+AOC(Active Optical Cables，简写为AOC)的光模块主要应用于短距离，随着云计算、物联网、移动互联网等应用的发展，急剧增长的数据流量对带宽提出越来越高的要求。近两年，“宽带中国”战略和加快建设网络强国战略相继提出，光通信作为最为重要的信息通信基础设施之一，在支撑我国社会信息化、宽带化建设和网络强国方面的作用日益凸显。光通信行业迅猛发展，带动光模块更新换代，当前光学通信日益激烈的市场竞争中，体积越来越小的通信设备需求，界面密度和接口板包含更高。为了适应需求的光通信设备,光模块是高度集成的小包装的发展。光模块SFP+在近5到10年内仍是光模块家族中的中流砥柱。尤其在近年来长距离40公里LR SFP+发展迅速。对SFP+光模块的改进优化，具有极大的前景和意义。
从需求侧看，带宽需求的不断增长带动高速光模块需求量快速增长，给光模块厂商带来持续增长的收入；同时由于光模块产品属于非标准类产品，定制需求较多这也造成光模块研发难度加大，无论是光学，电路还是结构上都对光模块提出了更高的要求。
从封装结构上来看，光模块应用在数据中心交换机时，光模块在使用过程中，会被频繁地重复性插拔，拔插困难，而且在百余次插拔过程中，光模块本身容易出现破损失效。此外，光模块的趋势是大容量小体积，为 了应对数据中心交换机的密集接口，光模块封装结构必须更加紧凑。
鉴于此，克服该现有技术产品所存在的不足是本技术领域亟待解决的问题。
发明内容
针对现有技术的以上缺陷或改进需求，本发明提供了一种光模块，其目的在于，通过长拉环结构解决了光模块在密集型机柜上插拔困难的问题，推挤式的解锁结构最大程度上保证了光模块内部的空间，且在解锁过程中，不会破坏光模块自身的结构，提高了光模块的可靠性，增加了光模块的使用寿命；解决了光模块在密集型机柜上插拔困难，解锁过程中容易对光模块造成破坏、解锁结构占用空间大的问题。
为实现上述目的，按照本发明的一个方面，提供了一种光模块，所述光模块包括：拉环1、转动叉2、解锁体3和底座4，所述解锁体3上设置有叉口30，所述底座4上设置有凸块40，所述解锁体3设置在所述底座4上，所述解锁体3与所述转动叉2连接，所述转动叉2与所述底座4活动连接，所述拉环1与所述转动叉2连接；
其中，所述凸块40用于与接口设备的锁孔15耦合，以将所述光模块锁定在所述接口设备上；
其中，所述拉环1用于接收外力，以带动所述转动叉2沿着所述底座4转动，所述转动叉2在转动的过程中，推动所述解锁体3向靠近所述凸块40的方向移动，直至所述叉口30抵开所述接口设备的锁孔15，进而将所述凸块40与所述接口设备的锁孔15解耦合。
优选地，所述转动叉2包括转动臂20，所述转动臂20上设置有受力部、转动部和施力部，所述受力部与所述拉环1连接，所述转动部与所述底座4形成转动连接，所述施力部与所述解锁体3连接；
所述受力部接收来自于所述拉环1的外力，带动所述转动臂20绕着所述转动部转动，在转动过程中，通过施力部推动所述解锁体3向靠近所述凸块40的方向移动。
优选地，所述施力部具体为转轴21，所述解锁体3上设置有凹槽31，所述转轴21设置在所述凹槽31中；
当所述拉环1接收外力时，所述转动臂20接收外力并绕着所述转动部转动，在转动过程中，所述转轴21通过所述凹槽31推动所述解锁体3向靠近所述凸块40的方向移动。
优选地，所述施力部具体为耦合孔，所述解锁体3上设置有固定轴，所述固定轴设置在所述耦合孔内；
所述受力部接收来自于所述拉环1的外力，所述转动臂20绕着所述转动部转动，在转动过程中，所述耦合孔带动所述解锁体3向靠近所述凸块40的方向移动。
优选地，所述施力部具体为固定轴，所述解锁体3上设置有耦合孔，所述固定轴设置在所述耦合孔内。
优选地，所述受力部具体为固定柱201，所述转动部具体为轴孔202，所述底座4上设置有轴柱41，所述拉环1上设置有固定孔11；
所述固定柱201与所述固定孔11耦合，所述轴柱41容置于所述轴孔202内，所述轴柱41和所述轴孔202可相对转动。
优选地，所述受力部具体为固定孔，所述转动部具体为轴孔202，所述底座4上设置有轴柱41，所述拉环1上设置有固定柱；
所述固定柱与所述固定孔耦合，所述轴柱41容置于所述轴孔202内，所述轴柱41和所述轴孔202可相对转动。
优选地，所述受力部具体为固定柱201，所述转动部具体为轴柱，所述底座4上设置有轴孔，所述拉环1上设置有固定孔11；
所述固定柱201与所述固定孔11耦合，所述轴柱容置于所述轴孔内，所述轴柱和所述轴孔可相对转动。
优选地，所述受力部具体为固定孔，所述转动部具体为轴柱，所述底座4上设置有轴孔，所述拉环1上设置有固定柱；
所述固定柱与所述固定孔耦合，所述轴柱容置于所述轴孔内，所述轴柱和所述轴孔可相对转动。
优选地，所述底座4上设置有导向槽42，所述拉环1上设置有折弯部12，所述折弯部12设置在所述导向槽42中，所述折弯部12可以沿着所述导向槽42运动。
优选地，所述光模块还包括弹性件5，所述底座4上设置有第一收容空间43，所述弹性件5容置在所述第一收容空间43内，所述解锁体3上设置有挡面33；
其中，在所述解锁体3向靠近所述凸块40的方向移动时，所述挡面33压缩所述弹性件5；在施加在所述拉环1上的外力被释放后，所述弹性件5恢复形变，向所述挡面33施加外力，以使所述解锁体3向远离所述凸块40的方向移动。
优选地，所述底座4上设置有侧板44和固定面45，所述侧板44、所述固定面45和所述底座4的侧面形成所述第一收容空间43，所述固定面45上设置有安装柱451，所述弹性件5的一端套设在所述安装柱451上，所述弹性件5的另一端邻近所述挡面33设置。
优选地，所述底座4上设置有台阶面46，所述解锁体3上设置有转折面34和限制面35，所述限制面35与所述止挡面33连接；
其中，在所述解锁体3向靠近所述凸块40的方向移动时，所述挡面33压缩所述弹性件5，所述限制面35沿着所述侧板44移动，直至所述转折面34抵接所述台阶面46。
优选地，所述光模块还包括电路板6和上盖7，所述电路板6上设置有 光纤器件60，所述光纤器件60上设置有圆柱部601和圆盘部602，所述底座4上设置有第一圆柱面47和半圆槽48，所述上盖7设置有第二圆柱面71，所述圆盘部602设置在所述半圆槽48中，所述圆柱部601被限制在所述第一圆柱面47和所述第二圆柱面71形成的空间中。
优选地，所述光模块还包括螺钉8，所述上盖7上设置有第一通孔72，所述底座4上设置有螺纹孔49，所述螺钉8贯穿所述第一通孔72，并与所述螺纹孔49形成螺纹连接，以将所述上盖7和所述底座4相对固定。
优选地，所述光模块还包括第一外罩9，所述第一外罩9的顶面设置有第二通孔91，所述第一外罩9的侧面设置有第三通孔92，所述底座4上设置有第一楔台50，所述凸块40穿过所述第二通孔91，所述第三通孔92与所述第一楔台50卡合，以将所述第一外罩9固定在所述底座4上。
优选地，所述光模块还包括第二外罩10，所述第二外罩10的侧面设置有第四通孔101，所述底座4上设置有第二楔台51，所述第四通孔101与所述第二楔台51卡合，以将所述第二外罩10固定在所述底座4上。
总体而言，通过本发明所构思的以上技术方案与现有技术相比，具有如下有益效果：本发明提供了一种光模块，所述光模块包括：拉环、转动叉、解锁体和底座，所述解锁体上设置有叉口，所述底座上设置有凸块，所述解锁体设置在所述底座上，所述解锁体与所述转动叉连接，所述转动叉与所述底座活动连接，所述拉环与所述转动叉连接；其中，所述凸块用于与接口设备的锁孔耦合，以将所述光模块锁定在所述接口设备上。
在本发明中，拉环带动转动叉沿着底座转动，转动叉在转动的过程中，推动解锁体向靠近凸块的方向移动，直至叉口抵开接口设备的锁孔，进而将凸块与接口设备的锁孔解耦合，实现解锁功能。通过长拉环结构解决了光模块在密集型机柜上插拔困难的问题，推挤式的解锁结构最大程度上保证了光模块内部的空间，且在解锁过程中，不会破坏光模块自身的结构，提高了光模块的可靠性，增加了光模块的使用寿命；解决了光模块在密集型机柜上插拔困难，解锁过程中容易对光模块造成破坏、解锁结构占用空间大的问题。
附图说明
图1是本发明实施例提供的一种光模块的结构示意图；
图2是本发明实施例提供的一种光模块的爆炸示意图；
图3是本发明实施例提供的一种拉环的结构示意图；
图4是本发明实施例提供的一种转动叉的结构示意图；
图5是本发明实施例提供的一种解锁体的结构示意图；
图6是本发明实施例提供的一种底座的结构示意图；
图7是本发明实施例提供的图6中底座的在另一视角下的结构示意图；
图8是本发明实施例提供的图6中底座的内部结构示意图；
图9是本发明实施例提供的光模块由上锁状态转变为解锁状态，由解锁状态复位至上锁状态所对应的结构示意图；
图10是本发明实施例提供的光模块由上锁状态转变为解锁状态所对应的结构示意图；
图11是本发明实施例提供的叉口抵开接口设备的锁孔的结构示意图；
图12是本发明实施例提供的一种电路板的结构示意图；
图13是本发明实施例提供的一种上盖的结构示意图；
图14是本发明实施例提供的一种第一外罩的结构示意图；
图15是本发明实施例提供的一种第二外罩的结构示意图；
图16是本发明实施例提供的一种拉环、解锁叉和解锁体的结构示意图；
图17是本发明实施例提供的另一种拉环、解锁叉和解锁体的结构示意图。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
在本发明的描述中，术语“内”、“外”、“纵向”、“横向”、“上”、“下”、“顶”、“底”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明而不是要求本发明必须以特定的方位构造和操作，因此不应当理解为对本发明的限制。
此外，下面所描述的本发明各个实施方式中所涉及到的技术特征只要彼此之间未构成冲突就可以相互组合。
实施例1：
参阅图1～图5，本实施例提供了一种光模块，所述光模块包括：拉环1、转动叉2、解锁体3和底座4，所述解锁体3上设置有叉口30，所述底座4上设置有凸块40，所述解锁体3设置在所述底座4上，所述解锁体3与所述转动叉2连接，所述转动叉2与所述底座4活动连接，所述拉环1与所述转动叉2连接。
在实际使用中，所述凸块40用于与接口设备的锁孔15(如图11所示)耦合，以将所述光模块锁定在所述接口设备上。
其中，本实施例的解锁方式为：所述拉环1用于接收外力，以带动所述转动叉2沿着所述底座4转动，所述转动叉2在转动的过程中，推动所述解锁体3向靠近所述凸块40的方向移动，直至所述叉口30抵开所述接口设备的锁孔15，进而将所述凸块40与所述接口设备的锁孔15解耦合。
在优选的实施例中，叉口30的中间部分为一缺口，叉口30的两个侧部呈楔形，该缺口与凸块40的位置相对应，此种结构，在解锁过程中，楔形的侧部会先与接口设备的锁孔15接触，以抵开所述接口设备的锁孔15； 同时，缺口正好可以避开凸块40，避免造成干涉。
在本实施例中，拉环1带动转动叉2沿着底座4转动，转动叉2在转动的过程中，推动解锁体3向靠近凸块40的方向移动，直至叉口30抵开接口设备的锁孔15，进而将凸块40与接口设备的锁孔15解耦合，实现解锁功能。通过长拉环结构解决了光模块在密集型机柜上插拔困难的问题，推挤式的解锁结构最大程度上保证了光模块内部的空间，且在解锁过程中，不会破坏光模块自身的结构，提高了光模块的可靠性，增加了光模块的使用寿命；解决了光模块在密集型机柜上插拔困难，解锁过程中容易对光模块造成破坏、解锁结构占用空间大的问题。
在实际应用场景下，所述转动叉2包括转动臂20，所述转动臂20上设置有受力部、转动部和施力部，所述受力部与所述拉环1连接，所述转动部与所述底座4形成转动连接，所述施力部与所述解锁体3连接；所述受力部接收来自于所述拉环1的外力，所述转动臂20绕着所述转动部转动，在转动过程中，通过施力部推动所述解锁体3向靠近所述凸块40的方向移动。
其中，转动臂20的数目可以为一个或两个，当转动臂20的数目为两个时，两个转动臂20相对于底座4对称设置。在优选的实施例中，转动臂20的数目为两个，此种结构受力更均匀。
在实际应用场景下，转动臂20上受力部和转动部的具体结构有多种可供选择的实现方式，同时底座4与该转动部连接的结构以及拉环1与该受力部连接的结构也进行相对应的设计即可。
如图3～图5所示，在可选的实施例中，所述受力部具体为固定柱201，所述拉环1上设置有固定孔11；所述固定柱201与所述固定孔11耦合，所述轴柱41容置于所述轴孔202内，所述轴柱41和所述轴孔202可相对转动。在另一个可选的实施例中，如图17所示，所述受力部为固定孔(未标示)，所述拉环1配套设置固定柱(未标示)，所述固定孔可以为长条形孔、U形孔或U形开口，所述固定柱设置在所述固定孔中。
在可选的实施例中，所述转动部为轴孔，所述底座4上设置轴柱，所述轴柱与所述轴孔可相对转动。在另一个可选的实施例中，所述转动部为轴柱，所述底座4上设置轴孔，所述轴柱与所述轴孔可相对转动，以通过所述轴孔和所述轴柱形成转动连接。
在实际应用场景下，转动臂20上施力部的具体结构有多种可供选择的实现方式，同时底座4与该施力部连接的结构以及解锁体3与该施力部连接的结构也进行相对应的设计即可。
在可选的实施例中，如图3～图4所示，所述施力部具体为转轴21，所述转轴21与所述转动臂20连接，所述解锁体3上设置有凹槽31，所述转轴21设置在所述凹槽31中；当所述拉环1接收外力时，所述转动臂20接收外力并绕着所述轴柱41转动，在转动过程中，所述转轴21通过所述凹 槽31推动所述解锁体3向靠近所述凸块40的方向移动。
在其他实施例中，如图16和图17所示，所述施力部具体为耦合孔21’，所述解锁体3上设置有固定轴31’；所述固定轴31’设置所述耦合孔21’内；所述转动臂20的受力部接收来自于所述拉环1的外力，并绕着所述轴柱41转动，在转动过程中，所述耦合孔21’带动所述解锁体3向靠近所述凸块40的方向移动。其中，在其他变形方案中，所述施力部具体为固定轴，所述解锁体3上设置有耦合孔。在此需要说明的是，施力部和解锁体的具体结构以及连接方式不作具体限定，施力部和解锁体可以自适应的进行配套设计，只要保证解锁叉2能够带动所述解锁体3运动即可。其中，图16和图17是拉环、解锁叉和解锁体的变形方式，主要提供了设计思路，在实际产品制作中，可以适应性改变拉环、解锁叉和解锁体的结构，以保证能够与光模块的其他部件相适配。此外，解锁叉的数目也可以为两个，以保证受力均匀。
下面具体说明一可选实施例的光模块的结构，继续参阅图4，所述转动叉2包括两个相对设置的转动臂20以及连接所述转动臂20的转轴21，所述转动臂20上设置有固定柱201和轴孔202，所述底座4上设置有轴柱41，所述拉环1上设置有固定孔11，所述解锁体3上设置有凹槽31；所述固定柱201与所述固定孔11耦合，所述轴柱41与所述轴孔202形成转动连接，所述转轴21设置在所述凹槽31中；当所述拉环1接收外力时，所述转动臂20接收外力并绕着所述轴柱41转动，在转动过程中，所述转轴21通过所述凹槽31推动所述解锁体3向靠近所述凸块40的方向移动。在可选的实施例中，所述固定柱201为圆形柱，所述固定孔11为腰圆孔，此种结构不仅可以将转动叉2固定在拉环1上，而且拆装方便。
在实际应用场景下，所述底座4上设置有导向槽42，所述拉环1上设置有折弯部12，所述折弯部12设置在所述导向槽42内，且所述折弯部12可以沿着所述导向槽42运动，从而保证所述拉环1可以相对于底座4运动。
在优选的实施例中，所述光模块还包括弹性件5，其中，所述弹性件5可以为弹簧，所述底座4上设置有第一收容空间43，所述弹性件5容置在所述第一收容空间43内，所述解锁体3上设置有挡面33；其中，在所述解锁体3向靠近所述凸块40的方向移动时，所述挡面33压缩所述弹性件5；在施加在所述拉环1上的外力被释放后，所述弹性件5恢复形变，向所述挡面33施加外力，以使所述解锁体3向远离所述凸块40的方向移动。在本实施例中，松开拉环1，借助弹簧力推动解锁体3，解锁体3可以完成自动复位，光模块的解锁结构回到初始状态，实现了自动复位的功能。
进一步地，结合图7和图8，所述底座4上设置有侧板44和安装面，所述侧板44、所述安装面和所述底座4的侧面形成所述第一收容空间43，所述安装面上设置有安装柱451，所述弹性件5的一端套设在所述安装柱451上，所述弹性件5的另一端邻近所述挡面33设置。其中，所述安装柱 451可以为锥形柱。
结合图5，所述解锁体3上设置有转折面34和限制面35，所述限制面35与所述止挡面33连接；其中，在所述解锁体3向靠近所述凸块40的方向移动时，所述挡面33压缩所述弹性件5，所述限制面35沿着所述侧板44移动，直至所述转折面34抵接所述台阶面46。
在优选的实施例中，所述拉环1还包括第一侧面13，所述底座4上设置有第一限位面52和第二限位面53，当所述光模块处于上锁状态时，所述拉环1的第一侧面13抵接所述第一限位面52，从而将拉环1限制在预设的位置，保证光模块稳定地处于上锁状态。在解锁过程中，所述转动叉2的转轴21顶在所述第二限位面53，从而限制叉口30的移动距离，避免叉口30向右移动的距离过长，损坏凸块40和接口设备。
下面结合图9～图11，说明光模块的上锁状态和解锁状态，其中，在图10中，左侧的图展示了光模块处于上锁状态(对应图9最上面的图和最下面的图)，右侧的图展示了光模块处于解锁状态(对应图9中间的图)。
光模块上锁状态：在弹性件5的作用下，解锁体3停在左边的极限位置(如图9中最上面的图所示)，转动叉2和拉环1停在图10所示位置，底座4的凸块40凸出在外。当光模块插入接口设备(例如，接口设备为交换机笼子)时，底座4的凸块40扣入接口设备的锁孔15中(如图11所示)。上锁状态下，所述拉环1的第一侧面13抵接所述第一限位面52以此限位。
光模块解锁状态：拉动拉环1向左移动(以图10的视角为例说明)，拉环1的固定孔11带动转动叉2的固定柱201，从而向转动叉2施加向左的水平力，转动臂20的一端受力，带动转动叉2绕着底座4上的转轴21转动，转动叉2的转轴21推动解锁体3的凹槽31向右移动，从而推动解锁体3向右移动。在解锁体3向右移动的过程中，弹性件5处于挤压状态，解锁体3的叉口30伸出，将接口设备的锁孔15挑开，底座4的凸块40从接口设备的锁孔15中脱出(如图所示)。此时，继续拉动拉环1，可以将光模块从接口设备里拔出来。解锁状态下，所述转动叉2的转轴21顶在所述第二限位面53，以此限位，从而限制叉口30的移动距离，避免叉口30向右移动的距离过长，损坏凸块40和接口设备。
松开拉环1后，弹性件5恢复形变，推动解锁体3的挡面33向左移动，解锁体3回到左边的极限位置，也就是初始的上锁状态，完成复位。
在本实施例中，解锁结构采用平拉平推的顶杠杆原理，拉动拉环1，带动转动叉2下端左移，上端右移，推动解锁体3右移，解锁体3前端的叉口30挑开接口设备的弹片，使得光模块底座4上的凸块40从接口设备的锁孔15中脱出，完成解锁动作，光模块可以从接口设备中拔出。松开拉环1，借助弹簧力推动解锁体3，解锁体3可以完成自动复位，光模块的解锁结构回到初始状态。
实施例2：
前述实施例重点描述了光模块的解锁结构，下面结合实施例1具体说明光模块的其他结构，该光模块的结构紧凑，尺寸较小，满足越来越小型化需求。
结合图12和图13，所述光模块还包括电路板6和上盖7，所述电路板6上设置有光纤器件60，所述光纤器件60上设置有圆柱部601和圆盘部602，所述底座4上设置有第一圆柱面47和半圆槽48，所述上盖7设置有第二圆柱面71，所述圆盘部602设置在所述半圆槽48中，所述圆柱部601被限制在所述第一圆柱面47和所述第二圆柱面71形成的空间中。
其中，所述光模块还包括螺钉8，所述上盖7上设置有第一通孔72，所述底座4上设置有螺纹孔49，所述螺钉8贯穿所述第一通孔72，并与所述螺纹孔49形成螺纹连接，以将所述上盖7和所述底座4相对固定。
进一步地，所述上盖7上还包括滑动槽73，所述拉环1上设置有第二侧面14，所述第二侧面14设置在所述滑动槽73中，所述第二侧面14可在所述滑动槽73滑动。
在本实施例中，所述底座4上还包括支撑台54和定位柱55，所述电路板6上设置有定位槽61，所述支撑台54用于支撑电路板6，所述定位槽61与所述定位柱55耦合，从而将电路板6稳定地放置在底座4上。
在本实施例中，所述底座4还包括第一耦合面56，所述上盖7包括第二耦合面74，所述第一耦合面56和所述第二耦合面74相互接触，以将所述上盖7平整地放置在所述底座4上。
在本实施例中，所述光模块还包括第一外罩9，所述第一外罩9的顶面设置有第二通孔91，所述第一外罩9的侧面设置有第三通孔92，所述底座4上设置有第一楔台50，所述凸块40穿过所述第二通孔91，所述第三通孔92与所述第一楔台50卡合，以将所述第一外罩9固定在所述底座4上。
在本实施例中，所述光模块还包括第二外罩10，所述第二外罩10的侧面设置有第四通孔101，所述底座4上设置有第二楔台51，所述第四通孔101与所述第二楔台51卡合，以将所述第二外罩10固定在所述底座4上。
在本实施例中，拉环1带动转动叉2沿着底座4转动，转动叉2在转动的过程中，推动解锁体3向靠近凸块40的方向移动，直至叉口30抵开接口设备的锁孔15，进而将凸块40与接口设备的锁孔15解耦合，实现解锁功能。通过长拉环结构解决了光模块在密集型机柜上插拔困难的问题，推挤式的解锁结构最大程度上保证了光模块内部的空间，且在解锁过程中，不会破坏光模块自身的结构，提高了光模块的可靠性，增加了光模块的使用寿命；解决了光模块在密集型机柜上插拔困难，解锁过程中容易对光模块造成破坏、解锁结构占用空间大的问题。
在本实施例中，解锁操作方便快捷，平推式解锁可以避免对光模块造成损坏，光模块具有较高的可靠性，且结构稳定，易装拆。此外，自复位的解锁设计可以应用到各类OSA器件及COB器件封装，能够满足较多的 应用场景。
在本实施例中，光模块具有以下特点：用于上锁的凸块采用固定点设计，尺寸精度高，上锁可靠；平推式解锁，解锁结构占用空间小，在有限的体积下，具有更大的内腔空间，可适配各种体积大的高速光学器件，适应未来光模块小封装、大速率的发展趋势；拉环可自动复位，便于重新上锁；平拉式解锁，方便模块在密集型机柜上的插拔；采用钣金扁平化设计，结构紧凑，支持LC光口下的SFP+在不拔尾纤的情况下顺利解锁，给操作人员带来极大的便捷；解锁部分无螺钉设计，组装生产简便，可靠性高。
而且，本实施例的解锁结构，适用于光模块的同轴器件封装，例如BOSA的PCBA。
本领域的技术人员容易理解，以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。

Claims (17)

  1. 一种光模块，其特征在于，所述光模块包括：拉环(1)、转动叉(2)、解锁体(3)和底座(4)，所述解锁体(3)上设置有叉口(30)，所述底座(4)上设置有凸块(40)，所述解锁体(3)设置在所述底座(4)上，所述解锁体(3)与所述转动叉(2)连接，所述转动叉(2)与所述底座(4)活动连接，所述拉环(1)与所述转动叉(2)连接；
    其中，所述凸块(40)用于与接口设备的锁孔(15)耦合，以将所述光模块锁定在所述接口设备上；
    其中，所述拉环(1)用于接收外力，以带动所述转动叉(2)沿着所述底座(4)转动，所述转动叉(2)在转动的过程中，推动所述解锁体(3)向靠近所述凸块(40)的方向移动，直至所述叉口(30)抵开所述接口设备的锁孔(15)，进而将所述凸块(40)与所述接口设备的锁孔(15)解耦合。
  2. 根据权利要求1所述的光模块，其特征在于，所述转动叉(2)包括转动臂(20)，所述转动臂(20)上设置有受力部、转动部和施力部，所述受力部与所述拉环(1)连接，所述转动部与所述底座(4)形成转动连接，所述施力部与所述解锁体(3)连接；
    所述受力部接收来自于所述拉环(1)的外力，带动所述转动臂(20)绕着所述转动部转动，在转动过程中，通过施力部推动所述解锁体(3)向靠近所述凸块(40)的方向移动。
  3. 根据权利要求2所述的光模块，其特征在于，所述施力部具体为转轴(21)，所述解锁体(3)上设置有凹槽(31)，所述转轴(21)设置在所述凹槽(31)中；
    当所述拉环(1)接收外力时，所述转动臂(20)接收外力并绕着所述转动部转动，在转动过程中，所述转轴(21)通过所述凹槽(31)推动所述解锁体(3)向靠近所述凸块(40)的方向移动。
  4. 根据权利要求2所述的光模块，其特征在于，所述施力部具体为耦合孔，所述解锁体(3)上设置有固定轴，所述固定轴设置在所述耦合孔内；
    所述受力部接收来自于所述拉环(1)的外力，所述转动臂(20)绕着所述转动部转动，在转动过程中，所述耦合孔带动所述解锁体(3)向靠近所述凸块(40)的方向移动。
  5. 根据权利要求2所述的光模块，其特征在于，所述施力部具体为固定轴，所述解锁体(3)上设置有耦合孔，所述固定轴设置在所述耦合孔内。
  6. 根据权利要求2所述的光模块，其特征在于，所述受力部具体为固定柱(201)，所述转动部具体为轴孔(202)，所述底座(4)上设置有轴柱(41)，所述拉环(1)上设置有固定孔(11)；
    所述固定柱(201)与所述固定孔(11)耦合，所述轴柱(41)容置于所述轴孔(202)内，所述轴柱(41)和所述轴孔(202)可相对转动。
  7. 根据权利要求2所述的光模块，其特征在于，所述受力部具体为固定孔，所述转动部具体为轴孔(202)，所述底座(4)上设置有轴柱(41)，所述拉环(1)上设置有固定柱；
    所述固定柱与所述固定孔耦合，所述轴柱(41)容置于所述轴孔(202)内，所述轴柱(41)和所述轴孔(202)可相对转动。
  8. 根据权利要求2所述的光模块，其特征在于，所述受力部具体为固定柱(201)，所述转动部具体为轴柱，所述底座(4)上设置有轴孔，所述拉环(1)上设置有固定孔(11)；
    所述固定柱(201)与所述固定孔(11)耦合，所述轴柱容置于所述轴孔内，所述轴柱和所述轴孔可相对转动。
  9. 根据权利要求2所述的光模块，其特征在于，所述受力部具体为固定孔，所述转动部具体为轴柱，所述底座(4)上设置有轴孔，所述拉环(1)上设置有固定柱；
    所述固定柱与所述固定孔耦合，所述轴柱容置于所述轴孔内，所述轴柱和所述轴孔可相对转动。
  10. 根据权利要求1所述的光模块，其特征在于，所述底座(4)上设置有导向槽(42)，所述拉环(1)上设置有折弯部(12)，所述折弯部(12)设置在所述导向槽(42)中，所述折弯部(12)可以沿着所述导向槽(42)运动。
  11. 根据权利要求1所述的光模块，其特征在于，所述光模块还包括弹性件(5)，所述底座(4)上设置有第一收容空间(43)，所述弹性件(5)容置在所述第一收容空间(43)内，所述解锁体(3)上设置有挡面(33)；
    其中，在所述解锁体(3)向靠近所述凸块(40)的方向移动时，所述挡面(33)压缩所述弹性件(5)；在施加在所述拉环(1)上的外力被释放后，所述弹性件(5)恢复形变，向所述挡面(33)施加外力，以使所述解锁体(3)向远离所述凸块(40)的方向移动。
  12. 根据权利要求11所述的光模块，其特征在于，所述底座(4)上 设置有侧板(44)和固定面(45)，所述侧板(44)、所述固定面(45)和所述底座(4)的侧面形成所述第一收容空间(43)，所述固定面(45)上设置有安装柱(451)，所述弹性件(5)的一端套设在所述安装柱(451)上，所述弹性件(5)的另一端邻近所述挡面(33)设置。
  13. 根据权利要求12所述的光模块，其特征在于，所述底座(4)上设置有台阶面(46)，所述解锁体(3)上设置有转折面(34)和限制面(35)，所述限制面(35)与所述止挡面(33)连接；
    其中，在所述解锁体(3)向靠近所述凸块(40)的方向移动时，所述挡面(33)压缩所述弹性件5，所述限制面(35)沿着所述侧板(44)移动，直至所述转折面(34)抵接所述台阶面(46)。
  14. 根据权利要求1所述的光模块，其特征在于，所述光模块还包括电路板(6)和上盖(7)，所述电路板(6)上设置有光纤器件(60)，所述光纤器件(60)上设置有圆柱部(601)和圆盘部(602)，所述底座(4)上设置有第一圆柱面(47)和半圆槽(48)，所述上盖(7)设置有第二圆柱面(71)，所述圆盘部(602)设置在所述半圆槽(48)中，所述圆柱部(601)被限制在所述第一圆柱面(47)和所述第二圆柱面(71)形成的空间中。
  15. 根据权利要求14所述的光模块，其特征在于，所述光模块还包括螺钉(8)，所述上盖(7)上设置有第一通孔(72)，所述底座(4)上设置有螺纹孔(49)，所述螺钉(8)贯穿所述第一通孔(72)，并与所述螺纹孔(49)形成螺纹连接，以将所述上盖(7)和所述底座(4)相对固定。
  16. 根据权利要求14所述的光模块，其特征在于，所述光模块还包括第一外罩(9)，所述第一外罩(9)的顶面设置有第二通孔(91)，所述第一外罩(9)的侧面设置有第三通孔(92)，所述底座(4)上设置有第一楔台(50)，所述凸块(40)穿过所述第二通孔(91)，所述第三通孔(92)与所述第一楔台(50)卡合，以将所述第一外罩(9)固定在所述底座(4)上。
  17. 根据权利要求14所述的光模块，其特征在于，所述光模块还包括第二外罩(10)，所述第二外罩(10)的侧面设置有第四通孔(101)，所述底座(4)上设置有第二楔台(51)，所述第四通孔(101)与所述第二楔台(51)卡合，以将所述第二外罩(10)固定在所述底座(4)上。
PCT/CN2020/138352 2020-12-10 2020-12-22 一种光模块 WO2022120946A1 (zh)

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