CN209560148U - Coaxial optical device - Google Patents
Coaxial optical device Download PDFInfo
- Publication number
- CN209560148U CN209560148U CN201822227769.3U CN201822227769U CN209560148U CN 209560148 U CN209560148 U CN 209560148U CN 201822227769 U CN201822227769 U CN 201822227769U CN 209560148 U CN209560148 U CN 209560148U
- Authority
- CN
- China
- Prior art keywords
- metalwork
- optical device
- optical fiber
- coaxial
- fiber plug
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 83
- 239000013307 optical fiber Substances 0.000 claims abstract description 56
- 229910052751 metal Inorganic materials 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 15
- 230000008878 coupling Effects 0.000 claims abstract description 9
- 238000010168 coupling process Methods 0.000 claims abstract description 9
- 238000005859 coupling reaction Methods 0.000 claims abstract description 9
- 239000003292 glue Substances 0.000 claims description 15
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 229910001334 3003 aluminium alloy Inorganic materials 0.000 claims description 4
- 239000011324 bead Substances 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 230000014759 maintenance of location Effects 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- -1 aluminium Gold Chemical compound 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 10
- 230000010415 tropism Effects 0.000 abstract description 7
- 238000003754 machining Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000002457 bidirectional effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000013007 heat curing Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000000016 photochemical curing Methods 0.000 description 1
- 229920006289 polycarbonate film Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Landscapes
- Optical Couplings Of Light Guides (AREA)
Abstract
The utility model discloses a kind of coaxial optical device, including mounting base, Optical fiber plug and metalwork, wherein, the Optical fiber plug, optical coupling is installed to the mounting base, the Optical fiber plug is for connecting optical fiber, the metalwork is set on the Optical fiber plug, the metalwork includes metalwork ontology and the insulating film for being formed in metalwork outer body face, the metalwork is for being mounted between the Optical fiber plug and extraneous metal installation part, so that the coaxial optical device and extraneous metal installation part insulate.Play the role of insulation between the coaxial optical device and extraneous metalwork, realizes antistatic setting, meanwhile, the metalwork can achieve preferable machining accuracy, can preferably be fixed on extraneous metalwork, improve four tropism of plug of optical interface.
Description
Technical field
The utility model relates to photoelectric subassembly manufacturing technology field, in particular to a kind of coaxial optical device.
Background technique
For the optical signal transmission field of current field of communication technology, mainly by transmitter, optical fiber connects optical fiber telecommunications system
Receipts machine composition.Function for optical sender is to realize the conversion of electric signal to optical signal, and optical fiber is situated between as the carrying of optical signal
Matter ensures the high-quality transmission of optical signal, and the major function of photoreceiver is the conversion for realizing optical signal to electric signal.Light is sent out
The core electro-optic conversion and electrooptical device penetrated in machine and photoreceiver are respectively TOSA (Transmitter Optical
Subassembly), ROSA (Receiver Optical Subassembly), the former is known as light emitting secondary module, and the latter is known as
Light-receiving secondary module.It is higher and higher for the integration and miniaturization requirement of product with the demand and development of communication network, it will
The coaxial optical device that TOSA and ROSA is integrated into an optical device is referred to as BOSA (Bi-Directional Optical Sub-
Assembly), also simply referred to as coaxial single-fiber bidirectional optical device, these devices have a common feature, need using outer
The optical fiber connector on boundary carries out the access connection that optical signal is realized in plug.
In actual coaxial optical device application environment, needs to be fixed on a metal interface, just can guarantee good
Good reliable optical property transmission, but such mounting structure requires to contradict with the antistatic of product, that is to say that optical fiber connects
Device not only needs to meet antistatic requirement, and needs to meet the Key Performance Indicators such as optical interface plug repeatability, four tropisms simultaneously,
Mounting structure in the prior art is only able to satisfy the requirement of antistatic, and plug repeatability, four tropisms are poor, cannot meet the requirements.
Utility model content
The main purpose of the utility model is to propose a kind of coaxial optical device, it is desirable to provide a kind of requirement for meeting antistatic
Mounting structure, to improve four tropism of plug of optical interface.
To achieve the above object, the utility model proposes coaxial optical device, comprising:
Mounting base；
Optical fiber plug, optical coupling are installed to the mounting base, and the Optical fiber plug is for connecting optical fiber；And
Metalwork is set on the Optical fiber plug, and the metalwork includes metalwork ontology and is formed in the metalwork
The insulating film in outer body face, the metalwork are used to be mounted between the Optical fiber plug and extraneous metal installation part, so that
The coaxial optical device and extraneous metal installation part insulate.
Preferably, the impedance value of the metalwork is greater than 1M Ω.
Preferably, the insulating film is deielectric-coating, the deielectric-coating with a thickness of H, and 0.1 μm≤H≤10 μm.
Preferably, the material of the metalwork ontology is 3003 aluminium alloys；
The deielectric-coating is the anode oxide film for being formed in metalwork outer body face.
Preferably, the metalwork is metallic sheath, and the metallic sheath is sheathed on the Optical fiber plug.
Preferably, the roughness of the inner wall of the metallic sheath be Ra, 0.8 μm≤Ra≤3.2 μm.
Preferably, the outside projection of the lateral surface of the Optical fiber plug forms a retention bead；
The inner cavity of the metallic sheath is arranged in step, to form the confined planes towards the mounting base, the limit
Face is to Optical fiber plug described in backstop towards away from the movement of the direction of the mounting base.
Preferably, the coaxial optical device is single-fiber bidirectional optical device.
Preferably, the coaxial optical device further include:
TO-CAN laser is fixedly installed in the mounting base；
TO-CAN optical receiver, optical coupling are bonded in the mounting base；And
Ring is adjusted, the mounting base is set to, is equipped with the Optical fiber plug in the adjusting ring.
Preferably, 353ND glue or BF-4 glue are equipped between the TO-CAN optical receiver and the mounting base.
In technical solution provided by the utility model, be equipped with metalwork on the Optical fiber plug, the metalwork it is outer
Side is equipped with insulating film, and the metalwork is allowed to play the role of insulation, and the coaxial optical device is installed on extraneous gold
When belonging on part, play the role of insulation between the coaxial optical device and extraneous metalwork, realizes antistatic setting, meanwhile, institute
Stating metalwork can achieve preferable machining accuracy, can preferably be fixed on extraneous metalwork, improve the plug of optical interface
Four tropisms.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the schematic cross-sectional view of the first embodiment of coaxial optical device provided by the utility model；
Fig. 2 is the schematic cross-sectional view that Optical fiber plug and metalwork match contract in Fig. 1；
Fig. 3 is the schematic cross-sectional view of the second embodiment of coaxial optical device provided by the utility model；
Fig. 4 is the schematic cross-sectional view that Optical fiber plug and metalwork match contract in Fig. 3.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 100 | Coaxial optical device | 31 | Confined planes |
| 1 | Mounting base | 4 | TO-CAN laser |
| 2 | Optical fiber plug | 5 | TO-CAN optical receiver |
| 21 | Retention bead | 6 | Adjust ring |
| 3 | Metalwork |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that directionality instruction is only used for solving if relating to directionality instruction in the utility model embodiment
Relative positional relationship, the motion conditions etc. between component each under a certain particular pose are released, if the particular pose changes
When, then directionality instruction also correspondingly changes correspondingly.
In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the
Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one
A this feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of case is not present, also not within the protection scope of the requires of the utility model.
The utility model proposes a kind of coaxial optical device, Fig. 1 to Fig. 4 is the reality of coaxial optical device provided by the utility model
Apply the schematic diagram of example.
The coaxial optical device 100 includes mounting base 1, Optical fiber plug 2 and metalwork 3 referring to FIG. 1 to FIG. 4, wherein
2 optical coupling of Optical fiber plug is installed to the mounting base 1, and for connecting optical fiber, the metalwork 3 is set the Optical fiber plug 2
In on the Optical fiber plug 2, the metalwork 3 includes metalwork ontology and the insulation for being formed in metalwork outer body face
Film, the metalwork 3 is for being mounted between the Optical fiber plug 2 and extraneous metal installation part, so that the coaxial optical device
100 insulate with extraneous metal installation part.
In technical solution provided by the utility model, metalwork 3 is equipped on the Optical fiber plug 2, the metalwork 3
Lateral surface is equipped with insulating film, allows the metalwork 3 to play the role of insulation, the coaxial optical device 100 is installed on
When on extraneous metalwork 3, play the role of insulation between the coaxial optical device 100 and extraneous metalwork 3, realizes that antistatic is set
It sets, meanwhile, the metalwork 3 can achieve preferable machining accuracy, can preferably be fixed on extraneous metalwork 3, improve
Four tropism of plug of optical interface.
The metalwork ontology of the metalwork 3 was conductive originally, however can play insulation after forming insulating film
Effect, in the present embodiment, it is desirable that the impedance value of the metalwork 3 is greater than 1M Ω, can be accomplished in several ways above-mentioned insulation
The requirement of impedance value forms polymer insulation film for example, by using in metal surface, for example, polyester, polycarbonate film etc., also
It can be to form deielectric-coating, such as SiO film, SiO on metalwork ontology2Film, Si3N4Film etc. can also be particulate metal table
Face forms the modes such as anode oxide film, such as 3003 aluminium alloys by anodic oxidation reactions.
In the present embodiment, the insulating film is deielectric-coating, such as SiO film, SiO2Film, Si3N4Film etc., the medium
Film with a thickness of H, and 0.1 μm≤H≤10 μm, in this thickness range, the metalwork 3 meets above-mentioned insulation characterisitic, in addition,
When the material of the metalwork ontology is 3003 aluminium alloy, the deielectric-coating is to be formed in metalwork outer body face
Anode oxide film, the anode oxide film is with a thickness of H, and 0.1 μm≤H≤10 μm.
In the present embodiment, the specific structure of the metalwork 3 is not limited, as long as being able to achieve the coaxial optical device
100 are insulated in the content on extraneous metal installation part being all the utility model, in order to which the axis light device is better achieved
The installation of part 100 and extraneous metalwork 3, the metalwork 3 are metallic sheath, and the metallic sheath is sheathed on the Optical fiber plug 2,
It is arranged installation between the Optical fiber plug 2 and the metallic sheath, in the case where guaranteeing concentricity and circularity, so that the gold
Belonging to set can cooperate with the Optical fiber plug 2 well, in addition, having metal interface on the general metal installation part, also just
It is sheathed in the metal interface in the metallic sheath, realizes preferable location and installation, easily meet four tropisms of preferable plug.
The requirement of specific manifestation dimensionally are as follows: the internal diameter of the metallic sheath and the concentricity of outer diameter require to be less than
0.01mm, the internal diameter of the metallic sheath and the cylindricity of outer diameter require to be less than 0.01mm, the internal diameter and outer diameter that the metal covers absolutely
Tolerance be less than 0.01mm, the inner wall roughness of the metallic sheath requires between 0.8 μm~3.2 μm.
It should be noted that being filled with adhesive glue between the metallic sheath and the Optical fiber plug 2, the adhesive glue is
353ND glue, specific process be first by the 353ND glue be coated in the Optical fiber plug 2 on bonding region, so
The metallic sheath 6 is covered on the Optical fiber plug 2 for being coated with glue using fixture afterwards, and revolves and turns around, so that glue covering is uniformly,
It is placed on toasting fixation in 0.5~2 hour in 100 DEG C ± 20 DEG C of high-temperature cabinet.
When in installation to metal interface, the position of the Optical fiber plug 2 also needs to adjust, to meet optical requirement, this
In embodiment, the outside projection of the lateral surface of the Optical fiber plug 2 forms a retention bead 21, and the inner cavity of the metallic sheath is in step
Setting, to form the confined planes 31 towards the mounting base 1, the confined planes 31 are to 2 court of Optical fiber plug described in backstop
It is mobile away from the direction of the mounting base 1, it should be noted that when starting to assemble the insulating part and the Optical fiber plug 2,
The confined planes 31 can be used as installation positioning surface, when needing to adjust, directly adjust to the direction backwards to the confined planes 31,
Demand is coupled with adaptive optics.
In the present embodiment, it should be noted that the coaxial optical device 100 has coaxial type transmitting optical device, coaxial type to connect
Light receiving device part etc., in the present embodiment, the coaxial optical device 100 is single-fiber bidirectional optical device, such as common BOSA device.
In the embodiment that the coaxial optical device 100 is BOSA device, the coaxial optical device 100 further includes TO-CAN
Laser 4, TO-CAN optical receiver 5 and adjusting ring 6, wherein the TO-CAN laser 4 is fixedly installed in the mounting base 1,
5 optical coupling of TO-CAN optical receiver is bonded in the mounting base 1, and the adjusting ring 6 is set to the mounting base 1, the tune
It saves and is equipped with the Optical fiber plug 2 in ring 6, the adjusting ring 6 has been mainly the position for adjusting the Optical fiber plug 2, so that described
2 optical coupling of Optical fiber plug is installed to the mounting base 1.
It should be noted that the manufacturing process of above-mentioned entire BOSA device is as follows:
The mounting base 1 can be generally required and be adopted for the BOSA of more high integration using the structural member being machined into
With the one-time formed structural member of metal powder injection technology, the TO-CAN laser 4 is used into pressure according to required PIN foot orientation
Connection device is pressed into the mounting base 1, compression distance is arranged according to coupling efficiency, the range of compression distance is in 0~1mm, then makes
It is welded and fixed with the downhand welding technique of laser-beam welding machine.Then the adjusting ring 6 is socketed on the Optical fiber plug 2, uses folder
Tool is coupled with 1 active optics of mounting base, and the searching of completion optimum position is required according to the optical power of required product, then make
It is welded with the inclined weld technique of laser-beam welding machine.Then the product of completion is placed on fixture, and uses heat cure glue 353ND
Coated in Optical fiber plug 2 to then the metallic sheath be covered using fixture in the Optical fiber plug 2 for being coated with glue on bonding region
On, and revolve and turn around, so that glue covering is uniformly, it is placed on toasting 0.5~2 hour in 100 DEG C ± 20 DEG C of high-temperature cabinet admittedly
It is fixed, it is also necessary to TO-CAN optical receiver 5 be coupled with the mounting base 1 using active optics, wanted according to the optical responsivity of product
Ask complete optimum position searching, reuse photocuring glue and solidify in advance, reuse after the completion heat cure glue 353ND or
BF-4 toasts fixation in 0.5~2 hour in 100 DEG C ± 20 DEG C of high-temperature cabinet.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
It is all under the design of the utility model, equivalent structure transformation made based on the specification and figures of the utility model, or
Directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of coaxial optical device characterized by comprising
Mounting base；
Optical fiber plug, optical coupling are installed to the mounting base, and the Optical fiber plug is for connecting optical fiber；And
Metalwork is set on the Optical fiber plug, and the metalwork includes metalwork ontology and is formed in the metalwork ontology
The insulating film of lateral surface, the metalwork is for being mounted between the Optical fiber plug and extraneous metal installation part, so that described
Coaxial optical device and extraneous metal installation part insulate.
2. coaxial optical device as described in claim 1, which is characterized in that the impedance value of the metalwork is greater than 1M Ω.
3. coaxial optical device as claimed in claim 2, which is characterized in that the insulating film is deielectric-coating, the deielectric-coating
With a thickness of H, and 0.1 μm≤H≤10 μm.
4. coaxial optical device as claimed in claim 3, which is characterized in that the material of the metalwork ontology is the conjunction of 3003 aluminium
Gold；
The deielectric-coating is the anode oxide film for being formed in metalwork outer body face.
5. coaxial optical device as described in claim 1, which is characterized in that the metalwork is metallic sheath, the metallic sheath set
On the Optical fiber plug.
6. coaxial optical device as claimed in claim 5, which is characterized in that the roughness of the inner wall of the metallic sheath is Ra,
0.8μm≤Ra≤3.2μm。
7. coaxial optical device as claimed in claim 5, which is characterized in that the outside projection of the lateral surface of the Optical fiber plug is formed
One retention bead；
The inner cavity of the metallic sheath is arranged in step, to form the confined planes towards the mounting base, the confined planes to
Optical fiber plug described in backstop is towards away from the movement of the direction of the mounting base.
8. coaxial optical device as claimed in any one of claims 1 to 7, which is characterized in that the coaxial optical device is single fiber
Two-way optical device.
9. coaxial optical device as claimed in claim 8, which is characterized in that the coaxial optical device further include:
TO-CAN laser is fixedly installed in the mounting base；
TO-CAN optical receiver, optical coupling are bonded in the mounting base；And
Ring is adjusted, the mounting base is set to, is equipped with the Optical fiber plug in the adjusting ring.
10. coaxial optical device as claimed in claim 9, which is characterized in that the TO-CAN optical receiver and the mounting base
Between be equipped with 353ND glue or BF-4 glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822227769.3U CN209560148U (en) | 2018-12-27 | 2018-12-27 | Coaxial optical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822227769.3U CN209560148U (en) | 2018-12-27 | 2018-12-27 | Coaxial optical device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209560148U true CN209560148U (en) | 2019-10-29 |
Family
ID=68305039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822227769.3U Expired - Fee Related CN209560148U (en) | 2018-12-27 | 2018-12-27 | Coaxial optical device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209560148U (en) |
-
2018
- 2018-12-27 CN CN201822227769.3U patent/CN209560148U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191029 |
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| CF01 | Termination of patent right due to non-payment of annual fee |