CN109407232A - A kind of optical module - Google Patents
A kind of optical module Download PDFInfo
- Publication number
- CN109407232A CN109407232A CN201811532217.1A CN201811532217A CN109407232A CN 109407232 A CN109407232 A CN 109407232A CN 201811532217 A CN201811532217 A CN 201811532217A CN 109407232 A CN109407232 A CN 109407232A
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- Prior art keywords
- optical
- fiber
- boss
- threaded hole
- socket
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Classifications
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- 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
- G02B6/4274—Electrical aspects
- G02B6/428—Electrical aspects containing printed circuit boards [PCB]
- G02B6/4281—Electrical aspects containing printed circuit boards [PCB] the printed circuit boards being flexible
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention discloses a kind of optical module, which includes: pedestal, circuit board and optical fiber interface, and circuit board is set on the base；It is provided at least one fiber-optical socket on circuit board, at least one optical port unit is provided on optical fiber interface；Wherein, optical fiber interface relative to pedestal slidably, to adjust the relative position between fiber-optical socket and optical port unit, until fiber-optical socket is coupled in optical port unit.Optical module structure of the invention is simple, in the case where not increasing optical module design difficulty, allow optical fiber interface relative to the opposite sliding of pedestal of optical module, adjust the relative position of fiber-optical socket and optical port unit, the self calibration for realizing optical port eliminates the stress that fiber-optical socket is subject at optical module optical port, ensure that the optical path coupled in fiber-optical socket will not generate offset under the action of stress, the power loss for reducing optical module, improves optical signal quality.
Description
Technical field
The invention belongs to technical field of photo communication, more particularly, to a kind of optical module.
Background technique
Requirement with data communication and interconnecting application etc. to bandwidth is increasing, people increasingly pay attention to data center and
The bandwidth and density of high-performance calculation application.When obtaining high bandwidth performance, copper-connection is faced with huge challenge, their function
Rate and size require that more high bandwidth can not be efficiently applied to.Therefore, everybody is increasingly turned to using can handle more high bandwidth
Light network to obtain longer operation length, the less power of consumption, to improve electromagnetic noise immunity to interference, and is provided than copper-based
The more flexible cable management of solution.
However, when optical module rate is increased to 100G, TOSA (Transmitter Optical in traditional optical module
Subassembly is abbreviated as TOSA)/ROSA (Receiver Optical Subassembly, be abbreviated as ROSA), use is soft
Property plate and module PCB (Printed Circuit Board is abbreviated as PCB) plate connect, high-frequency signal passes through TOSA/ROSA, soft
When property plate and the corresponding solder joint of module pcb board, increasing test can be subjected to.Therefore, in module design, it is necessary to sufficiently
Reserved loss of the high-frequency signal at solder joint, has been pressed further by the design margin of high-frequency signal.
In order to solve the problems, such as flexible board connection type bring high frequency, more and more engineers tend to no flexible board
COB (Chip on board, be abbreviated as COB) scheme, the corresponding chip of TOSA/ROSA is directly placed on module PCB,
It is connected as one TOSA/TORA with module PCB.Although this scheme dexterously avoids the use of flexible board, to greatest extent
Ground ensure that the integrality of high-frequency signal.But another question is but introduced, it is formed by TOSA/ROSA and module PCB
Entirety be assembled to module shell during, when ensure that power port golden finger position, the fiber-optical socket of TOSA/ROSA
(RECEPTACLE) optical port specification IEC 61754-20 can not be but fully met anyway with the optical port position of module shell
Requirement, when the fiber-optical socket of TOSA/ROSA being caused to be assembled to the correspondence optical port of module, be always subject to module tubes shell to its one
A stress, the optical path at this moment coupled in fiber-optical socket will deviate under stress, thus lost part or whole light function
Rate.
In consideration of it, overcoming defect present in the prior art is the art urgent problem to be solved.
Summary of the invention
Aiming at the above defects or improvement requirements of the prior art, the present invention provides a kind of optical module, its object is to
In the case where not increasing optical module design difficulty, allow optical fiber interface relative to the opposite sliding of pedestal of optical module, adjustment
The relative position of fiber-optical socket and optical port unit realizes the self calibration of optical port, eliminates fiber-optical socket at optical module optical port
Suffered stress ensure that the optical path coupled in fiber-optical socket will not generate offset under the action of stress, reduce optical mode
The power loss of block improves optical signal quality, and the optical port position of the fiber-optical socket and module shell that thus solve optical module is not
It can be completely coincident, the optical path coupled in fiber-optical socket is caused to deviate under stress, thus lost part or whole light function
The technical issues of rate.
To achieve the above object, according to one aspect of the present invention, a kind of optical module is provided, the optical module includes:
Pedestal 1, circuit board 2 and optical fiber interface 3, the circuit board 2 are arranged on the pedestal 1；
It is provided at least one fiber-optical socket 21 on the circuit board 2, is provided at least one light on the optical fiber interface 3
Mouth unit 31；
Wherein, the optical fiber interface 3 relative to the pedestal 1 slidably, to adjust the fiber-optical socket 21 and the light
Relative position between mouth unit 31, until the fiber-optical socket 21 is coupled in the optical port unit 31.
Preferably, it is provided with boss 32 on the optical fiber interface 3, fluted 11 are arranged on the pedestal 1, the groove 11
Size be greater than the boss 32 size；
Wherein, along the direction that the optical port unit 31 extends, the boss 32 relative to the groove 11 slidably,
To adjust the relative position between the fiber-optical socket 21 and the optical port unit 31, until the fiber-optical socket 21 is coupled in institute
It states in optical port unit 31.
Preferably, the groove 11 includes two semi-circular grooves 111 and bar shaped link slot 112, the bar shaped link slot
The 112 described two semi-circular grooves 111 of connection, wherein the width of the bar shaped link slot 112 is straight with the semi-circular groove 111
Diameter is equal；
The section of the boss 32 is rounded, and the diameter of the boss 32 and the diameter of the semi-circular groove 111 match.
Preferably, the first threaded hole 12, the shape of first threaded hole 12 and the groove are provided on the pedestal 1
11 shape matches, and the central axis of first threaded hole 12 is overlapped with the central axis of the groove 11；
The second threaded hole 33, the shape of the shape of second threaded hole 33 and the boss 32 are provided in the boss 32
Shape matches, and the central axis of second threaded hole 33 is overlapped with the central axis of the boss 32.
Preferably, the optical module further includes the first screw 41；
After the fiber-optical socket 21 is coupled in the optical port unit 31, first screw 41 and first threaded hole
12 and second threaded hole 33 be threadedly coupled, with the fixation optical fiber interface 3.
Preferably, the optical fiber interface 3 includes the two side walls 34 being oppositely arranged and bottom wall 35, and the boss 32 is arranged
On the bottom wall 35；
The bottom wall 35 is arranged between two side walls 34, and the bottom wall 35 is connected with the sidewall 34 by guid arm 36
It connects, wherein the guid arm 36 favours the bottom wall 35；
It is described to lead preferably, it is provided with locating slot 22 on the circuit board 2, is provided with positioning column 13 on the pedestal 1；
The positioning column 13 is contained in the locating slot 22, and the circuit board 2 is fixed on the pedestal 1.
Preferably, third threaded hole 14 is provided on the pedestal 1, the third threaded hole 14 is adjacent to the positioning column 13
Setting；
The 4th threaded hole 23 is provided on the circuit board 2, the 4th threaded hole 23 is arranged adjacent to the locating slot 22；
Wherein, the second screw 42 and the third threaded hole 14 and the 4th threaded hole 23, form and are threadedly coupled.
Preferably, crossbeam 37 is provided on the optical fiber interface 3；
The optical module further includes upper cover 5, and shielding boss 51 is provided in the upper cover 5, and the shielding boss 51 is arranged
On the crossbeam 37, wherein the shielding boss 51 is mutually compensated with the crossbeam 37, so that the upper cover 5 is relative to institute
The position for stating optical fiber interface 3 immobilizes.
Preferably, the upper cover 5 further includes at least one optical fiber indent 52, the position of optical fiber indent 52 and optical port unit 31
Position it is corresponding；
Wherein, optical fiber indent 52 cooperates with corresponding optical port unit 31, to surround corresponding fiber-optical socket 21.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, have following beneficial to effect
Fruit: optical module structure of the invention is simple, in the case where not increasing optical module design difficulty, so that optical fiber interface is relative to light
The pedestal of module opposite can slide, and adjust the relative position of fiber-optical socket and optical port unit, realize the self calibration of optical port, disappear
In addition to the stress that fiber-optical socket is subject at optical module optical port, it ensure that the optical path coupled in fiber-optical socket will not be in stress
Effect is lower to generate offset, reduces the power loss of optical module, improves optical signal quality.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will make below to required in the embodiment of the present invention
Attached drawing is briefly described.It should be evident that drawings described below is only some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of perspective view of the explosion of optical module provided in an embodiment of the present invention；
Fig. 2 is the perspective view of the explosion of another optical module provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of optical fiber interface provided in an embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of pedestal provided in an embodiment of the present invention；
Fig. 5 is a kind of structural schematic diagram of circuit board provided in an embodiment of the present invention；
Fig. 6 is a kind of structural schematic diagram of upper cover provided in an embodiment of the present invention；
Fig. 7 is a kind of overall structure diagram of optical module provided in an embodiment of the present invention；
Fig. 8 is the structural schematic diagram of another optical fiber interface provided in an embodiment of the present invention；
Fig. 9 is the structural schematic diagram of another pedestal provided in an embodiment of the present invention；
Figure 10 is a kind of side structure schematic view of optical module provided in an embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
In the description of the present invention, term "inner", "outside", " longitudinal direction ", " transverse direction ", "upper", "lower", "top", "bottom" etc. refer to
The orientation or positional relationship shown be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention rather than
It is required that the present invention must be constructed and operated in a specific orientation, therefore it is not construed as limitation of the present invention.
In addition, as long as technical characteristic involved in the various embodiments of the present invention described below is each other not
Constituting conflict can be combined with each other.
Embodiment 1:
The embodiment of the present invention provides a kind of optical module, as shown in Figure 1, the optical module includes: pedestal 1, circuit board 2 and light
Fine interface 3, the circuit board 2 are arranged on the pedestal 1, at least one fiber-optical socket 21 is provided on the circuit board 2
(Receptacle), at least one optical port unit 31 is provided on the optical fiber interface 3, the optical port unit 31 is for receiving pair
The fiber-optical socket 21 answered.Wherein, the number of optical port unit 31 and fiber-optical socket 21 is not specifically limited, and is set according to actual conditions
Meter.In addition, the number of optical port unit 31 can be equal with the number of fiber-optical socket 21, alternatively, the number of optical port unit 31
Greater than the number of fiber-optical socket 21, according to depending on concrete application scene.
In assembling process, under the driving of external force, the optical fiber interface 3 relative to the pedestal 1 slidably, to adjust
The relative position between fiber-optical socket 21 and the optical port unit 31 is stated, until the fiber-optical socket 21 is coupled in the optical port list
In member 31.In the present embodiment, fiber-optical socket 21 is just coupled with optical port unit 31, as shown in Figure 10, in fiber-optical socket 21
The heart and 31 bottom surface distance H of optical port unit are 2.29mm, and the center of fiber-optical socket 21 is in the horizontal direction, are in corresponding optical port
On the median plane of unit 31, thus in the horizontal direction with guarantee fiber-optical socket 21 and the complete coupling of optical port unit 31 on vertical direction
It closes, meets the requirement of optical port specification IEC 61754-20.
The optical module structure of the present embodiment is simple, in the case where not increasing optical module design difficulty, so that optical port is opposite
It opposite can be slided in the pedestal 1 of optical module, realize the self calibration of optical port, eliminate fiber-optical socket 21 at optical module optical port
Suffered stress ensure that the optical path coupled in fiber-optical socket 21 will not generate offset under the action of stress, reduce light
The power loss of module, improves optical signal quality.
Referring next to Fig. 2~Fig. 7, illustrate one of achievable mode of the optical module of the present embodiment.
In the present embodiment, as shown in Fig. 2, optical module includes: pedestal 1, circuit board 2 and optical fiber interface 3, the circuit
Plate 2 is arranged on the pedestal 1, at least one fiber-optical socket 21 (Receptacle), the light are provided on the circuit board 2
At least one optical port unit 31 is provided on fine interface 3, the optical port unit 31 is for accommodating corresponding fiber-optical socket 21.
As shown in Figure 3 and Figure 4, it is provided with boss 32 on the optical fiber interface 3, fluted 11 are arranged on the pedestal 1, institute
The size for stating groove 11 is greater than the size of the boss 32.Wherein, described convex along the direction that the optical port unit 31 extends
Platform 32 relative to the groove 11 slidably, to adjust the opposite position between the fiber-optical socket 21 and the optical port unit 31
It sets, until the fiber-optical socket 21 is coupled in corresponding optical port unit 31.
Under practical application scene, the number of boss 32 is not specifically limited, and can be one, two or four, can
According to depending on actual conditions；The number of groove 11 is not specifically limited, and can be one, two or four, can foundation
Depending on actual conditions, guarantee that the number of groove 11 is not less than the number of boss 32.Furthermore it is possible to be closed according to actual conditions
The distribution relation of reason design boss 32 and groove 11, to guarantee the convenience and stability of installation.
In actual installation process, the bottom surface of optical fiber interface 3 and the locating platform 15 of pedestal 1 are physically contacted, and boss 32 is put
Set in groove 11, boss 32 and groove 11 are in clearance fit, boss 32 in groove 11 slidably, so as to adjust optical port unit
Relative position between 31 and fiber-optical socket 21, so that fiber-optical socket 21 is overlapped with the exact matching of optical port unit 31.
In an alternate embodiment of the invention, the groove 11 includes two semi-circular grooves 111 and bar shaped link slot 112, described
Bar shaped link slot 112 is connected to described two semi-circular grooves 111, wherein the width of the bar shaped link slot 112 and the semicircle
The diameter of slot 111 is equal；The section of the boss 32 is rounded, and the diameter of the boss 32 is straight with the semi-circular groove 111
Diameter matches.
Under practical application scene, the depth of the groove 11 is not less than the height of the boss 32, so that the boss
32 can be contained in the groove 11.The diameter of the boss 32 is slightly less than the diameter of the semi-circular groove 111, for example, institute
Boss 32 and the groove 11 are stated close to tangent state, the boss 32 can be slided along the direction where bar shaped link slot 112,
So as to adjust the relative position between optical port unit 31 and fiber-optical socket 21.
After the assembly for completing optical module, need for optical fiber interface 3 to be firmly secured on pedestal 1, to avoid pulling out
When inserting optical module, the influence of noise caused by optical module improves the reliability of optical module.In a preferred embodiment, the bottom
It is provided with the first threaded hole 12 on seat 1, the shape of first threaded hole 12 and the shape of the groove 11 match, and described the
The central axis of one threaded hole 12 is overlapped with the central axis of the groove 11.Specifically, the shape of first threaded hole 12
Can be identical as the shape of the groove 11, only the size of first threaded hole 12 is less than the size of the groove 11.
The second threaded hole 33, the shape of the shape of second threaded hole 33 and the boss 32 are provided in the boss 32
Shape matches, and the central axis of second threaded hole 33 is overlapped with the central axis of the boss 32.Specifically, described second
The shape of threaded hole 33 can be identical as the shape of the boss 32, and only the size of second threaded hole 33 is less than described convex
The size of platform 32.
As shown in Fig. 2, the optical module further includes the first screw 41, the optical port list is coupled in the fiber-optical socket 21
After member 31, first screw 41 is threadedly coupled with first threaded hole 12 and second threaded hole 33, to fix
State optical fiber interface 3.Wherein, the number of the first screw 41 and the number of groove 11 match, for example, the number of the first screw 41 with
The number of groove 11 is equal.
Under concrete application scene, first threaded hole 12 runs through the pedestal 1, and second threaded hole 33 is through to
Small part boss 32, the first screw 41 sequentially pass through the first threaded hole 12 and the second threaded hole 33, so that optical fiber interface 3 is fixed
On pedestal 1.
In the present embodiment, after regulating the position of optical port unit 31 and fiber-optical socket 21, in the first threaded hole 12
Mandrel line and the central axis of second threaded hole 33 overlap, the diameter of boss 32 and the diameter (item of semi-circular groove 111
The width of shape link slot 112) close to equal, to effectively avoid during tightening the first screw 41, side is caused to boss 32
To stress, the position of boss 32 is caused to change.On the other hand, optical fiber interface 3 is fixed on by pedestal 1 by the first screw 41
On, it ensure that reliability and stability of the optical module in subsequent use.
Further, it is provided with locating slot 22 on the circuit board 2, positioning column 13 is provided on the pedestal 1, it is described fixed
Position column 13 is contained in the locating slot 22, and the circuit board 2 is fixed on the pedestal 1.In an alternate embodiment of the invention,
The number of locating slot 22 is two, and two locating slots 22 are respectively distributed in the two sides of circuit board 2, and locating slot 22 is adjacent to golden finger 24
Setting.Correspondingly, the number of positioning column 13 is also two, and two positioning columns 13 are respectively distributed in the two sides of pedestal 1, in actual installation
In the process, positioning column 13 is contained in locating slot 22, so that circuit board 2 is fixed on pedestal 1.
For example, locating slot 22 can be hollow hole, and positioning column 13 is inserted in location hole, circuit board 2 is consolidated
It is scheduled on pedestal 1.But, such scheme is not easy to install for the more demanding of contraposition.In a preferred embodiment, it positions
Slot 22 includes a lateral openings, and positioning column 13 is specifically as follows clamping boss 32, and it is fixed that clamping boss 32 is entered by lateral openings
In the slot 22 of position, clamping is realized, so that circuit board 2 is fixed on pedestal 1.
In a preferred embodiment, the 4th threaded hole 23,23 positioned adjacent slot of the 4th threaded hole are additionally provided on circuit board 2
22 are arranged, and third threaded hole 14, the setting of 14 positioned adjacent column 13 of third threaded hole are provided on pedestal 1, and the second screw 42 passes through
Circuit board 2 is fixedly connected by the 4th threaded hole 23 and third threaded hole 14 with pedestal 1.In the present embodiment, pass through second consolidation
Mode, circuit board 2 is fixed on pedestal 1, ensure that fixed stability, avoid circuit board 2 relative to pedestal 1 shake,
To ensure that the coupling of fiber-optical socket 21 Yu optical port unit 31 indirectly.
Here, it should be noted that first screw 41 of the present embodiment and the second screw 42 can be the identical spiral shell of structure
Nail, or the different screw of structure is selected according to actual conditions.In the present embodiment, related threaded connection,
It could alternatively be other connection types, for example, being bolted, will not enumerate herein.
In the present embodiment, be additionally provided with optical assembly 25 on circuit board 2, wherein optical assembly 25 can for light emission component,
Light-receiving component or optical transceiver module, fiber-optical socket 21 are arranged on optical assembly 25.
Under concrete application scene, optical module further includes upper cover 5, and upper cover 5 and pedestal 1 complement each other to form accommodating circuit board
2 and optical fiber interface 3 cavity.Specifically, it is provided with shielding boss 51 in the upper cover 5, is provided with crossbeam on optical fiber interface 3
37, the shielding boss 51 is arranged on the crossbeam 37, wherein and the shielding boss 51 is mutually compensated with the crossbeam 37,
So that the upper cover 5 immobilizes relative to the position of the optical fiber interface 3.In addition, the upper cover 5 further includes at least one light
The position of fine indent 52, optical fiber indent 52 is corresponding with the position of optical port unit 31；Wherein, optical fiber indent 52 and optical port unit 31
It cooperates, to surround corresponding fiber-optical socket 21.
Under concrete application scene, as shown in figure 3, the optical fiber interface 3 include the two side walls 34 that are oppositely arranged and
Bottom wall 35, the boss 32 are arranged on the bottom wall 35, and the bottom wall 35 is arranged between two side walls 34.The upper cover 5
On be provided with shielding trench 53, the shielding trench 53 is used for the sidewall 34 of up-winding fiber interface 3, and upper cover 5 is arranged and is connect in optical fiber
On mouth 3.Meanwhile the side wall 16 being oppositely arranged is provided on pedestal 1, the correspondence of side wall 16 is contained in corresponding shielding trench in upper cover 5
In 53.
In the present embodiment, as shown in Fig. 2, optical module further includes pull ring 6, the pull ring 6 includes two and is oppositely arranged
Clamping limb 61, the end of clamping limb 61 are provided with solution lock section 62, and the clamping limb 61 clamps the sidewall 34 of the pedestal 1, realize
It is detachably connected, meanwhile, solution lock section 62 is contained in limiting slot 17, such as Fig. 7, is obtained light after being assembled each component
Module.In actual use, external force is applied to pull ring 6, drives solution lock section 62 mobile, it can be by optical module from corresponding screening cage
Unlocking function is realized in middle removal.
Herein, it should be noted that the design concept of the present embodiment is suitable for the optical module of COB scheme, is also applied for base
In the optical module of flexible board scheme.
Although the optical fiber interface 3 of the present embodiment can opposite sliding, adjustment fiber-optical socket 21 and optical port relative to pedestal 1
The relative position of unit 31 realizes the self calibration of optical port, and eliminate that fiber-optical socket 21 is subject at optical module optical port answers
Power ensure that the optical path coupled in fiber-optical socket 21 will not generate offset under the action of stress.
But during practical set, first circuit board 2 is fixed on pedestal 1, then passes through boss 32 and groove 11
Optical fiber interface 3 is fixed on pedestal 1 by cooperation.Interval between fiber-optical socket 21 on circuit board 2 and pedestal 1 is smaller, can be right
The installation of optical fiber interface 3 causes to interfere, and considerably increases the installation difficulty of optical fiber interface 3, reduces production efficiency.Meanwhile
In installation process, it is easily damaged fiber-optical socket 21, reduces the yield of product.
Embodiment 2:
To solve the problems, such as that above-described embodiment 1, the present embodiment are improved based on the optical module of embodiment 1, provided
Another optical module is different from the optical module of embodiment 1, and the bottom wall 35 and sidewall 34 of the optical fiber interface 3 of the present embodiment are by leading
Draw the connection of arm 36, wherein guid arm 36 favours bottom wall 35.Under the guidance of guid arm 36, by the way of oblique cutting, by optical fiber
The boss 32 of interface 3 is contained in groove 11, can be greatly reduced interference of the fiber-optical socket 21 to optical fiber interface 3, be reduced light
The installation difficulty of fine interface 3, improves production efficiency.Meanwhile during the installation process, optical fiber can accidentally be touched to avoid optical fiber interface 3
Socket 21 improves product yield.
1 and Fig. 8 in conjunction with the embodiments, illustrates one of implementation of optical module of the present embodiment.
The optical module of the present embodiment includes: pedestal 1, circuit board 2 and optical fiber interface 3, and the circuit board 2 is arranged described
On pedestal 1, it is provided at least one fiber-optical socket 21 (Receptacle) on the circuit board 2, is arranged on the optical fiber interface 3
There is at least one optical port unit 31, the optical port unit 31 is for accommodating corresponding fiber-optical socket 21.
It is provided with boss 32 on the optical fiber interface 3, fluted 11 are arranged on the pedestal 1, the size of the groove 11
Greater than the size of the boss 32.Wherein, along the direction that the optical port unit 31 extends, the boss 32 is relative to described
Groove 11 slidably, to adjust the relative position between the fiber-optical socket 21 and the optical port unit 31, until the optical fiber
Socket 21 is coupled in corresponding optical port unit 31.
In actual installation process, the bottom surface of optical fiber interface 3 and the locating platform 15 of pedestal 1 are physically contacted, and boss 32 is put
Set in groove 11, boss 32 and groove 11 are in clearance fit, boss 32 in groove 11 slidably, so as to adjust optical port unit
Relative position between 31 and fiber-optical socket 21, so that fiber-optical socket 21 is overlapped with the exact matching of optical port unit 31.
In an alternate embodiment of the invention, the groove 11 includes two semi-circular grooves 111 and bar shaped link slot 112, described
Bar shaped link slot 112 is connected to described two semi-circular grooves 111, wherein the width of the bar shaped link slot 112 and the semicircle
The diameter of slot 111 is equal；The section of the boss 32 is rounded, and the diameter of the boss 32 is straight with the semi-circular groove 111
Diameter matches.
Under practical application scene, the depth of the groove 11 is not less than the height of the boss 32, so that the boss
32 can be contained in the groove 11.The diameter of the boss 32 is slightly less than the diameter of the semi-circular groove 111, for example, institute
Boss 32 and the groove 11 are stated close to tangent state, the boss 32 can be slided along the direction where bar shaped link slot 112,
So as to adjust the relative position between optical port unit 31 and fiber-optical socket 21.
In the present embodiment, for the ease of boss 32 to be placed in groove 11, guiding is set in the bottom of optical fiber interface 3
By the way of oblique cutting, the boss 32 of optical fiber interface 3 is contained in groove 11 under the guidance of guid arm 36 for arm 36.Specifically
Ground, the optical fiber interface 3 include the two side walls 34 being oppositely arranged and bottom wall 35, and the boss 32 is arranged in the bottom wall 35
On；The bottom wall 35 is arranged between two side walls 34, and the bottom wall 35 is connect with the sidewall 34 by guid arm 36,
In, the guid arm 36 favours the bottom wall 35；The guid arm 36 is for guiding the boss 32 to enter the groove 11
It is interior.
In actual design process, the length of tilt angle and the guid arm 36 between guid arm 36 and bottom wall 35
It is designed based on the interval between fiber-optical socket 21 and pedestal 1, for example, tilt angle can be 10 degree, 30 degree or 50 degree etc.,
It is designed according to actual conditions, here, being not specifically limited.
In actual installation process, guid arm 36 is contacted with the locating platform 15 of pedestal 1 first, then in guid arm 36
Guidance under, part fiber interface 3 is extend into below fiber-optical socket 21, when boss 32 moves at groove 11, slowly
Optical fiber interface 3 is pressed in underground, bottom wall 35 is slowly fitted on locating platform 15, so that boss 32 is contained at groove 11.Finally,
Under the driving of external force, boss 32 is mobile relative to groove 11, adjusts the relative position of fiber-optical socket 21 and optical port unit 31, from
And fiber-optical socket 21 is completely coincident with optical port unit 31.
The other structures of optical module are same as Example 1, please specifically be detailed in FIG. 1 to FIG. 7 and relevant verbal description,
Details are not described herein.
The optical module structure of the present embodiment is simple, in the case where not increasing optical module design difficulty, so that optical fiber interface 3
Pedestal 1 relative to optical module opposite can slide, and adjust the relative position of fiber-optical socket 21 and optical port unit 31, realize light
The self calibration of mouth, eliminates the stress that fiber-optical socket 21 is subject at optical module optical port, ensure that and couple in fiber-optical socket 21
Optical path offset will not be generated under the action of stress, reduce the power loss of optical module, improve optical signal quality.
On the other hand, under the guidance of guid arm 36, by the way of oblique cutting, the boss 32 of optical fiber interface 3 is contained in
In groove 11, interference of the fiber-optical socket 21 to optical fiber interface 3 can be greatly reduced, the installation difficulty of optical fiber interface 3 is reduced, mentions
High production efficiency.Meanwhile during the installation process, fiber-optical socket 21 can be accidentally touched to avoid optical fiber interface 3, improve product yield.
Embodiment 3:
In above-described embodiment 1 and embodiment 2, during manufacturing, fiber-optical socket 21 and optical port unit 31 are just
After coupling, optical fiber interface 3 is threadedly coupled with pedestal 1 by the first screw 41.In subsequent use process, if desired adjust again
Relative position between whole fiber-optical socket 21 and optical port unit 31 can unscrew the first screw 41, readjust fiber-optical socket 21
With the relative position between optical port unit 31 so that fiber-optical socket 21 is just coupled in optical port unit 31, to meet optical port
The requirement of specification IEC 61754-20.
It is different from above-described embodiment 1 and embodiment 2, in the present embodiment, after optical module factory, 3 phase of optical fiber interface
Small floating (nm grades) can be done for pedestal 1, formed by optical fiber connector and optical fiber interface 3 and fiber-optical socket 21
Base butt coupling, so that fiber-optical socket 21 is just coupled in corresponding optical port unit 31, to meet optical port specification IEC
The requirement of 61754-20.
Specifically, as shown in figure 9, the groove 11 on pedestal 1 is circular trough, 12 through-going recess 11 of the first threaded hole is described
The shape of first threaded hole 12 and the shape of the groove 11 match, the central axis of first threaded hole 12 with it is described recessed
The central axis of slot 11 is overlapped；The second threaded hole 33, the shape of second threaded hole 33 and institute are provided in the boss 32
The shape for stating boss 32 matches, and the central axis of second threaded hole 33 is overlapped with the central axis of the boss 32, institute
Boss 32 is stated as circle, second threaded hole 33 is circle, and second threaded hole 33 is big with first threaded hole 12
It is small to match.
It is different from and implements embodiment 1 and embodiment 2, second threaded hole 33 of the present embodiment is through-hole, sets spiral shell without interior
Line；First threaded hole 12 can within set screw thread can not also in set screw thread, according to depending on actual conditions.
Corresponding threaded hole is provided in upper cover 5, in the production process, by fiber-optical socket 21 and the preliminary school of optical port unit 31
After quasi- coupling, after sequentially passing through the first threaded hole 12 and the second threaded hole 33 by the first screw 41, with the screw thread in upper cover 5
Hole is threadedly coupled, wherein 41 clearance fit of the second threaded hole 33 and the first screw enables optical fiber interface 3 relative to pedestal 1
Do small movement (left-right and front-back is removable).In actual use, by optical fiber connector and optical fiber interface 3 and
The base butt coupling that fiber-optical socket 21 is formed, so that fiber-optical socket 21 is just coupled in corresponding optical port unit 31, thus
Meet the requirement of optical port specification IEC 61754-20.
The specific structure of other component about optical module is identical as embodiment is stated, and details are not described herein.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of optical module, which is characterized in that the optical module includes: pedestal (1), circuit board (2) and optical fiber interface (3),
The circuit board (2) is arranged on the pedestal (1)；
It is provided at least one fiber-optical socket (21) on the circuit board (2), is provided at least one on the optical fiber interface (3)
Optical port unit (31)；
Wherein, the optical fiber interface (3) relative to the pedestal (1) slidably, with adjust the fiber-optical socket (21) with it is described
Relative position between optical port unit (31), until the fiber-optical socket (21) are coupled in the optical port unit (31).
2. optical module according to claim 1, which is characterized in that be provided with boss (32), institute on the optical fiber interface (3)
It states and is arranged on pedestal (1) fluted (11), the size of the groove (11) is greater than the size of the boss (32)；
Wherein, along the direction that the optical port unit (31) extends, the boss (32) can slide relative to the groove (11)
It is dynamic, to adjust the relative position between the fiber-optical socket (21) and the optical port unit (31), until the fiber-optical socket
(21) it is coupled in the optical port unit (31).
3. optical module according to claim 2, which is characterized in that the groove (11) includes two semi-circular grooves (111)
And bar shaped link slot (112), the bar shaped link slot (112) are connected to described two semi-circular grooves (111), wherein the item
The width of shape link slot (112) is equal with the diameter of the semi-circular groove (111)；
The section of the boss (32) is rounded, the diameter and the diameter phase of the semi-circular groove (111) of the boss (32)
Match.
4. optical module according to claim 2, which is characterized in that the first threaded hole (12) are provided on the pedestal (1),
The shape of first threaded hole (12) and the shape of the groove (11) match, the central axis of first threaded hole (12)
Line is overlapped with the central axis of the groove (11)；
It is provided with the second threaded hole (33) in the boss (32), the shape of second threaded hole (33) and the boss (32)
Shape match, the central axis of second threaded hole (33) is overlapped with the central axis of the boss (32).
5. optical module according to claim 4, which is characterized in that the optical module further includes the first screw (41)；
After the fiber-optical socket (21) is coupled in the optical port unit (31), first screw (41) and first screw thread
Hole (12) and second threaded hole (33) are threadedly coupled, with the fixation optical fiber interface (3).
6. described in any item optical modules according to claim 1~5, which is characterized in that the optical fiber interface (3) includes opposite sets
The two side walls (34) and bottom wall (35) set, the boss (32) are arranged on the bottom wall (35)；
The bottom wall (35) is arranged between two side walls (34), and the bottom wall (35) and the side wall (34) pass through guid arm
(36) it connects, wherein the guid arm (36) favours the bottom wall (35)；
The guid arm (36) is for guiding the boss (32) to enter in the groove (11).
7. described in any item optical modules according to claim 1~5, which is characterized in that be provided with positioning on the circuit board (2)
Slot (22) is provided with positioning column (13) on the pedestal (1)；
The positioning column (13) is contained in the locating slot (22), and the circuit board (2) is fixed on the pedestal (1)
On.
8. optical module according to claim 7, which is characterized in that third threaded hole (14) are provided on the pedestal (1),
The third threaded hole (14) neighbouring the positioning column (13) is arranged；
The 4th threaded hole (23) is provided on the circuit board (2), the 4th threaded hole (23) is neighbouring the locating slot (22)
Setting；
Wherein, the second screw (42) and the third threaded hole (14) and the 4th threaded hole (23) form and are threadedly coupled.
9. described in any item optical modules according to claim 1~5, which is characterized in that be provided with cross on the optical fiber interface (3)
Beam (37)；
The optical module further includes upper cover (5), and shielding boss (51), the shielding boss (51) are provided on the upper cover (5)
It is arranged on the crossbeam (37), wherein the shielding boss (51) mutually compensates with the crossbeam (37), so that the upper cover
(5) position relative to the optical fiber interface (3) immobilizes.
10. optical module according to claim 9, which is characterized in that the upper cover (5) further includes at least one optical fiber indent
(52), the position of optical fiber indent (52) is corresponding with the position of optical port unit (31)；
Wherein, optical fiber indent (52) cooperates with corresponding optical port unit (31), to surround corresponding fiber-optical socket (21).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811532217.1A CN109407232B (en) | 2018-12-14 | 2018-12-14 | Optical module |
| PCT/CN2018/123704 WO2020118771A1 (en) | 2018-12-14 | 2018-12-26 | Optical module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811532217.1A CN109407232B (en) | 2018-12-14 | 2018-12-14 | Optical module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109407232A true CN109407232A (en) | 2019-03-01 |
| CN109407232B CN109407232B (en) | 2021-07-06 |
Family
ID=65459230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811532217.1A Active CN109407232B (en) | 2018-12-14 | 2018-12-14 | Optical module |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109407232B (en) |
| WO (1) | WO2020118771A1 (en) |
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| CN109951987A (en) * | 2019-04-16 | 2019-06-28 | 武汉光迅科技股份有限公司 | A kind of compact pluggable control unit structure |
| CN111129876A (en) * | 2020-01-08 | 2020-05-08 | 华为技术有限公司 | Electric connection socket, optical module and optical module cage |
| WO2021022749A1 (en) * | 2019-08-06 | 2021-02-11 | 武汉光迅科技股份有限公司 | Optical module |
| CN112882163A (en) * | 2021-01-19 | 2021-06-01 | 武汉电信器件有限公司 | Optical module and photoelectric connector |
| CN113219599A (en) * | 2021-04-19 | 2021-08-06 | 武汉光迅科技股份有限公司 | Optical module and optical communication equipment |
| CN114002788A (en) * | 2021-11-22 | 2022-02-01 | 索尔思光电（成都）有限公司 | Optical module with changeable structure and its manufacturing method |
| CN115128747A (en) * | 2022-06-20 | 2022-09-30 | 武汉永鼎光通科技有限公司 | Optical module, case thereof, and method for assembling optical module |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2020118771A1 (en) | 2020-06-18 |
| CN109407232B (en) | 2021-07-06 |
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