CN208207288U - Single fiber bi-directional electrooptical device and its integrated base without lock pin - Google Patents
Single fiber bi-directional electrooptical device and its integrated base without lock pin Download PDFInfo
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- CN208207288U CN208207288U CN201820452462.0U CN201820452462U CN208207288U CN 208207288 U CN208207288 U CN 208207288U CN 201820452462 U CN201820452462 U CN 201820452462U CN 208207288 U CN208207288 U CN 208207288U
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- lock pin
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- integrated base
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Abstract
The utility model embodiment discloses the single fiber bi-directional electrooptical device and its integrated base of a kind of no lock pin.Comprising: integrated base, ceramic sleeve, laser, detector, optical filter, tube core set composition；Wherein lock pin adapter is integrated in by integrated base, and compared with traditional single fiber bi-directional electrooptical device, that reduces lock pin adapter is fabricated separately process flow, Material Cost and time cost.And the laser lap mode of lock pin adapter and pedestal becomes integrated molding, avoids and is easy to produce the unstable factors such as deformation and gap at laser welding, effectively raises the stability and reliability of device.Integrated base uses silent ceramic sleeve, uses open sleeve compared to traditional lock pin adapter, enhances device optical fiber connector by what external force was influenced and wave stability, the device reliability energy of raising.
Description
Technical field
The utility model relates to optical fiber transmission technique fields, more particularly to a kind of single fiber bi-directional photoelectricity of novel no lock pin
Switching device and its integrated base.
Background technique
Single fiber bi-directional light-switching device or internal loopback electrooptical device are the cores in modern fibre optic data transmission
Component.Different with common double-fiber transmission mode to be, single fiber bi-directional technology is to pass through transmission wavelength on an optical fiber
It distinguishes to complete the transmitted in both directions of signal.
Therefore, single fiber bi-directional light-switching device needs to complete to convert optical signals into electric signal and electric signal is transformed into light
Two processes of signal, are typically used in fibre optic data transmission.
Wherein, Fig. 1 and Fig. 2 is respectively structural schematic diagram and the decomposition of the single fiber bi-directional electrooptical device of existing no lock pin
Figure.As depicted in figs. 1 and 2, existing single fiber bi-directional electrooptical device generally includes: pedestal 10, lock pin adapter 11, laser
Device 12, die pad 13 and detector 14.
Laser 12 is fixed on the corresponding interface of pedestal 10 by die pad 13.Detector 14, which is also fixed with pedestal 10, to be connected
It connects, optical fiber is introduced into pedestal 10 by fiber connector by lock pin adapter, by light splitting piece (or optical filter) etc., completes letter
The bi-directional of breath.
During realizing the utility model, utility model people has found that the relevant technologies have the following problems: since lock pin is suitable
Using no ferrule design in orchestration 11.
Since lock pin adapter uses opening ceramic bushing, the lock pin of optical fiber connector is inserted into lock pin adapter, works as light
Fiber connector is waved by external force to be made, and opening ceramic bushing can be parted a little and be held, and the lock pin of optical fiber connector can be with lock pin adapter
Datum level generates gap.Will lead to optical fiber connector luminous power in this way and can be changed by optical power, the performance of device by
It influences.
Moreover, because existing no lock pin single fiber bi-directional electrooptical device, needs to lead between die pad 13 and pedestal 10
It crosses Laser Welding and completes overlap joint.It is also required to complete to overlap by Laser Welding between lock pin adapter 11 and pedestal 10.Due to Laser Welding
Connecing is single-point overlap joint.Therefore, lap-joint can have certain gap, when optical module after a period of use, can at laser lap
Deformation can be will appear, and then the optical power of device can change, the stability of integral device is impacted.
Utility model content
In view of the above technical problems, the utility model embodiment provides a kind of novel no lock pin single-fiber bidirectional optical conversion
Device, bad to solve existing no lock pin single fiber bi-directional light-switching device stability, performance is double not as good as the single fiber with lock pin
The problem of to device.
The first aspect of the utility model embodiment provides a kind of integrated base of no lock pin single fiber bi-directional light-switching device
Seat.The integrated base includes:
Integrated base ontology, the inside of the integrated base ontology are cavity；Filter is fixedly installed in the cavity
Mating plate；The side wall of the base body is arranged in prober interface, the prober interface, is connected to the cavity；Laser
One end of the base body is arranged in interface, the laser interface, is connected to the cavity；And lock pin adapter, institute
State lock pin adapter and the base body and be integrally formed and be arranged, one end opposite with laser interface from the base body to
Outer extension；The lock pin adapter is provided with the through-hole being connected to the cavity.
Optionally, a limited step is additionally provided in the cavity；The limited step is arranged in the prober interface
Lower section, for limiting the coupling position of detector.
The second aspect of the utility model embodiment provides a kind of single fiber bi-directional electrooptical device.The single-fiber bidirectional optical
Power conversion device includes: integrated base, laser, die pad, porcelain bushing and detector as described above；
Optionally, the die pad is fixed in the laser interface by laser welding.
Optionally, fiber connector is fitted closely by the porcelain bushing and the optical fiber connector pedestal.
Optionally, the inside of the base body is additionally provided with a limited step, and the limited step is arranged in the spy
Survey the lower section of device interface；The pipe cap of the detector offsets with the limited step.
Integrated base in the utility model uses silent ceramic sleeve, uses opening sleeve than pervious lock pin adapter
Cylinder, reduces device fiber connector by what external force was influenced and waves stability, the device reliability energy of raising.
In technical solution provided by the embodiment of the utility model, integrated base is integrated wherein by lock pin adapter, is one
Body formed structure design, compared with traditional laser lap mode, it is possible to reduce fabrication processing reduces Material Cost simultaneously
Improve device stability, avoid the problem of weld is easy to produce deformation, effectively raise device stability and can
By property.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing single fiber bi-directional electrooptical device；
Fig. 2 is the decomposition texture schematic diagram of existing single fiber bi-directional electrooptical device
Fig. 3 is that one embodiment of the single fiber bi-directional electrooptical device without lock pin of the utility model embodiment decomposes knot
Structure schematic diagram；
Fig. 4 is one embodiment signal of the single fiber bi-directional electrooptical device without lock pin of the utility model embodiment
Figure；
Fig. 5 is one embodiment schematic diagram of the integrated base of the utility model embodiment.
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 describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those skilled in the art are obtained without creative efforts
The every other embodiment obtained, fall within the protection scope of the utility model.
It should be noted that be expressed " being fixed on " another element when element, it can directly on the other element,
Or there may be one or more elements placed in the middle therebetween.When an element is expressed " connection " another element, it can be with
It is directly to another element or there may be one or more elements placed in the middle therebetween.Used in this specification
The orientation or position of the instructions such as term "vertical", "horizontal", "left" and "right", "upper", "lower", "inner", "outside", " bottom "
Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be construed as a limitation of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and cannot understand
For indication or suggestion relative importance.
Unless otherwise defined, technical and scientific term all used in this specification and the skill for belonging to the utility model
The normally understood meaning of the technical staff in art field is identical.Art used in the description of the utility model in this specification
Language is only for the purpose of describing specific embodiments, and is not intended to limitation the utility model.Art used in this specification
Language "and/or" includes any and all combinations of one or more related listed items.In addition, sheet disclosed below
Technical characteristic involved in utility model different embodiments can be combined with each other as long as they do not conflict with each other.
Single fiber bi-directional refers to the optical signal that can receive and dispatch both direction simultaneously in same optical fiber.Realizing fiber-optic signal
When transmitting-receiving, only there is a receiving port in the optical module or light connects device of single fiber bi-directional, pass through the optics such as filter plate
Structure separates the optical signal of different wave length, to complete sending and receiving for the optical signal of different wave length.
Fig. 3 is the single fiber bi-directional electrooptical device of no lock pin provided by the embodiment of the utility model.As shown in Fig. 3, institute
Stating single fiber bi-directional electrooptical device includes: integrated base 31, laser 32, die pad 33, porcelain bushing 34 and detection
Device 35.
Wherein, the integrated base 31 is the main part of the optical module, and there is prober interface 311, laser to connect
Mouth 312 and 313 3 connectivity ports of lock pin adapter, are respectively used to connect with detector, laser and optical fiber connector,
It is corresponding with three function ports of single fiber bi-directional light-switching device.
In the present embodiment, integrated formed structure is used between integrated base 31 and lock pin adapter.In manufacturing process,
Lock pin adapter is directly integrated on integrated base, is not needed to carry out laser welding, is improved the stability of device, reduce
Manufacturing process reduces cost.
Fig. 5 is the structural schematic diagram of integrated base provided by the embodiment of the utility model.As shown in figure 5, the one
Change the cavity inside the main body 310 of pedestal 31 to be connected to above-mentioned function port.Filter plate is provided in the cavity.The filter
Wave plate is arranged with certain tilt angle, for separating the optical signal along transmitted in both directions in a fiber.
In some embodiments, as shown in figure 5, prober interface 311 is the circle being arranged on the side wall of the Base body
Shape opening.Laser interface 312 and lock pin adapter 313 are symmetrically arranged in the both ends of the cuboid.
Optionally, the laser interface 312 or cylindrical receptacle have the axis direction along main body 310
The certain width extended, as joint portion 314, for realizing being fixedly connected between laser.
It is preferred that as shown in figure 5, the cavity inside of base body 310 is also provided with positioned at prober interface 311
The limited step 315 of lower section.By the way that the limited step 315 is arranged, depth of the detector in access can be limited, avoids detecting
The optical textures such as device and optical filter inside base body 310 are in contact, and are led to camera lens or optical filter fragmentation, are scrapped
The case where.
Please continue to refer to Fig. 3, the laser 32 is connect by the laser that die pad 33 is fixed on the integrated base
On mouth 312.The laser 32 is for after converting electrical signals to optical signal, being sent out by optical fiber during fiber optic communication
The functional module sent.The die pad 33 is for realizing being fixedly connected between laser 32 and integrated base.
Specifically, the die pad 33 can overlap by way of laser welding and be fixed on the laser interface 312
On, to realize being fixedly connected between laser 32 and optical fiber connector pedestal.
The detector 35 is fixed on the prober interface 311.The detector 35 is for receiving from optical fiber
Optical signal, and it is converted into corresponding electric signal.One end that detector 35 connects with integrated base is the camera lens of protrusion, is used
Pass through the filtered optical signal of optical filter in acquisition.
In the preferred embodiment, the pipe cap of the detector 35 can offset with limited step, to avoid visiting in assembly
Surveying device 35 excessively deeply causes the camera lens of detector and optical filter etc. to contact, and enables scrap of the product.
Optical fiber connector then passes through the porcelain bushing 34 and is embedded in the through-hole of the lock pin adapter 313.In this implementation
In example, the connection between optical fiber and optical module realizes fiber connector and lock pin by porcelain bushing 34 using no ferrule design
It is fitted closely between adapter 313.In use, optical fiber connector can repeat to plug, to meet the needs of using.
With the porcelain bushing correspondingly, in some embodiments, as shown in figure 5, the lock pin adapter 313 can be with
It is made of the different concentric column of several radiuses.The through-hole 316 of lock pin adapter is set along the axis of the concentric column
It sets, runs through the lock pin adapter, be connected to the cavity.The porcelain bushing is embedded in the through-hole, guarantees optical fiber connector
Close connection between lock pin adapter.
Optionally, the optical fiber connector can be connected using optical fiber connector any in the prior art, such as SC optical fiber
Connect device, LC optical fiber connector or other optical fiber connectors, it is only necessary to adaptable modification porcelain bushing and lock pin adapter
Size.
The specific work process of above-mentioned optical module are as follows: on the one hand, optical signal is inputted from optical fiber, not by filter plate isolation
It after the light of co-wavelength, is sent in detector, optical signal is completed by detector and subsequent functional module and is turned to electric signal
It changes.On the other hand, the optical signal that laser exports needs, is input in optical fiber, is sent to opposite end, accordingly to complete list
Fine two-way information transmitting.
In actual production assembling process, corresponding mold is customized according to the true form of integrated base 31 first,
Then it is manufactured by powder metallurgical technique, integrally formed integrated base 31 is made.
Secondly, die pad 33 is fixed in laser interface by way of laser welding, and laser is assembled to
In die pad 33.Again, detector 35 is inserted into prober interface 311, until when detector 35 and limited step offset,
The position of fixed detector 35.Finally, porcelain bushing is embedded in the through-hole of the lock pin adapter of the integrated base 31, with
Fiber connector closely connects.
Further, single fiber bi-directional electrooptical device provided by the embodiment of the utility model only needs die pad and pedestal
Main body is completed to overlap by Laser Welding, reduces the laser welding at lock pin adapter, reduces the deformation at laser lap, mention
The high stability of device.Laser lap production process at one can also be reduced in this way, reduce production cost.
The utility model is implemented to use silent sleeve, reduces device fiber connector by what external force was influenced and waves stabilization
Property, the device reliability energy of raising.
Further, also pass through the limited step being arranged in base body, when being limited in assembly, the fixation of detector
Optical filter fragmentation or the lens fragmentation of detector are caused so that the lens of detector and optical filter be avoided mutually to touch in position
It is bad, the problem of causing detector or optical filter to be scrapped.
It is understood that for those of ordinary skills, can with technical solution according to the present utility model and
The utility model design is subject to equivalent substitution or change, and all these changes or replacement all should belong to appended by the utility model
Scope of protection of the claims.
Claims (7)
1. a kind of integrated base of the single fiber bi-directional electrooptical device of no lock pin characterized by comprising
Base body, the inside of the base body are cavity；Optical filter is fixedly installed in the cavity；
The side wall of the base body is arranged in prober interface, the prober interface, is connected to the cavity；
One end of the base body is arranged in laser interface, the laser interface, is connected to the cavity；
Lock pin adapter, the lock pin adapter and the base body, which are integrally formed, to be arranged, by the base body and laser
The opposite one end of device interface extends outwardly；The lock pin adapter is provided with the through-hole being connected to the cavity.
2. integrated base according to claim 1, which is characterized in that the integrated base passes through powder metallurgical technique
Manufacture.
3. integrated base according to claim 1 or 2, which is characterized in that be additionally provided with a limiting stand in the cavity
Rank；The lower section of the prober interface is arranged in the limited step, for limiting the coupling position of detector.
4. a kind of single fiber bi-directional electrooptical device of no lock pin characterized by comprising one as described in claim 1
Change pedestal, laser, die pad, ceramic sleeve and detector；
The laser is fixed in the laser interface of the integrated base by die pad；The detector is fixed on institute
It states on prober interface；The porcelain bushing is embedded in the through-hole of the integrated base.
5. single fiber bi-directional electrooptical device according to claim 4, which is characterized in that the die pad passes through Laser Welding
It connects, is fixed in the laser interface.
6. single fiber bi-directional electrooptical device according to claim 4, which is characterized in that optical fiber connector passes through the pottery
The pedestal of porcelain bushing shell and the optical fiber connector fits closely.
7. single fiber bi-directional electrooptical device according to claim 4, which is characterized in that the inside of the base body is also
It is provided with a limited step, the lower section of the prober interface is arranged in the limited step；
The pipe cap of the detector offsets with the limited step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820452462.0U CN208207288U (en) | 2018-04-02 | 2018-04-02 | Single fiber bi-directional electrooptical device and its integrated base without lock pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820452462.0U CN208207288U (en) | 2018-04-02 | 2018-04-02 | Single fiber bi-directional electrooptical device and its integrated base without lock pin |
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| CN208207288U true CN208207288U (en) | 2018-12-07 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108398752A (en) * | 2018-04-02 | 2018-08-14 | 深圳市光兴创科技有限公司 | The novel single fiber bi-directional electrooptical device and its integrated base without lock pin |
| CN110596827A (en) * | 2019-08-12 | 2019-12-20 | 广东九联科技股份有限公司 | PON optical transceiver |
| WO2021143274A1 (en) * | 2020-01-13 | 2021-07-22 | 武汉邮埃服光电科技有限公司 | Optical device integrated with optical fiber adapter |
| CN114488433A (en) * | 2022-02-08 | 2022-05-13 | 耀芯电子(浙江)有限公司 | Single-optical-fiber high-speed full-duplex data transmission device |
-
2018
- 2018-04-02 CN CN201820452462.0U patent/CN208207288U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108398752A (en) * | 2018-04-02 | 2018-08-14 | 深圳市光兴创科技有限公司 | The novel single fiber bi-directional electrooptical device and its integrated base without lock pin |
| CN110596827A (en) * | 2019-08-12 | 2019-12-20 | 广东九联科技股份有限公司 | PON optical transceiver |
| WO2021143274A1 (en) * | 2020-01-13 | 2021-07-22 | 武汉邮埃服光电科技有限公司 | Optical device integrated with optical fiber adapter |
| CN114488433A (en) * | 2022-02-08 | 2022-05-13 | 耀芯电子(浙江)有限公司 | Single-optical-fiber high-speed full-duplex data transmission device |
| CN114488433B (en) * | 2022-02-08 | 2022-10-21 | 耀芯电子(浙江)有限公司 | Single-optical-fiber high-speed full-duplex data transmission device |
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