CN206757106U - A kind of PWDM PD components of adhesive structure - Google Patents
A kind of PWDM PD components of adhesive structure Download PDFInfo
- Publication number
- CN206757106U CN206757106U CN201621283425.9U CN201621283425U CN206757106U CN 206757106 U CN206757106 U CN 206757106U CN 201621283425 U CN201621283425 U CN 201621283425U CN 206757106 U CN206757106 U CN 206757106U
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- CN
- China
- Prior art keywords
- pwdm
- integral body
- components
- photodetector
- adhesive structure
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- 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.)
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Abstract
The utility model discloses a kind of PWDM PD components of adhesive structure, including PWDM and photodetector, the photodetector is TO CAN, it also includes an integral body, PWDM incidence ends, reflection end and G Lens are arranged with one end of integral body, its other end is set on TO CAN, is then adjusted after integral body makes TO CAN be in Best Coupling position, be adhesively fixed integral body and TO CAN position by colloid, completes the coupling of PWDM and photodetector.The utility model uses the design of integral body, it is set to be applicable colloid bonding coupling, improve a yields, reduce product cost, improve processing efficiency and coupling efficiency, effectively solve the problems, such as device gap caused by directional light contraposition coupling process simultaneously, it also avoid the problem of part displacement causes parameter shift after welding.
Description
Technical field
Optical-fibre communications field is the utility model is related to, more particularly to a kind of PWDM-PD light-receivings for being used for three wavelength multiplexings
Component.
Background technology
Increasingly popularized with the application of fiber optic network, especially all over the world intelligent acess FTTH (Fiber To The
Home) project is progressively implemented, and the propulsion of the integration of three networks is implemented, and needs to be incorporated to transmission TV signals on backbone network, in user's optical fiber
Will there are 1310nm, 1490nm and 1550nm three wavelength.Wherein 1310nm and 1490nm is used for PON data transfer,
1550nm is used for Cable TV Signal Transmission.Need the wavelength of data transfer being transferred to PON interfaces, cable television in terminal user
Signal be converted to electric signal amplification receive.Thereby produce three port devices as PWDM-PD.
The structural principles of PWDM-PD components as shown in figure 1, three wavelength mixed lights of optical fiber connecting terminal input enter it is double
Fine optical fiber head 11, the light that optical fiber head 11 is launched are propagated in Glens 12, gradually become collimated light.In G-lens 12 end face
Paste a piece of reflection 1310nm and 1490nm, transmit 1550nm filter plate 13, G- is passed through into 1310nm and 1490nm light reflection
Focused on after lens 12 and enter double-fiber optical fiber head 11, be directed to the outgoing of another optical fiber connecting terminal.Filtered wave plate 13 transmits
Light out is converted into electric signal into photodetector TO-CAN 20.
Traditional PWDM-PD components are assembled by the way of laser welding.In the devices of PWDM 10（Three wave-length divisions are answered
Use device）Optical fiber head 11, G-lens 12 and the draw point 14 of piece protection packaging of overcoat of filter plate 13（Sleeve pipe）.Assemble PWDM-
, it is necessary to process the transition rings 40 matched with draw point 14, as shown in Figure 2 during PD.Photodetector（TO-CAN 20）It is outer bonding or
The body 30 of a stainless steel is welded, by laser welding, first transition rings 40 are welded with draw point 14, then transition rings 40
Weld together with body 30.Because the light beam that PWDM 10 is emitted is directional light, often occur PWDM when aligning and coupling
10 it is integral inclined after can just meet the situation of finished product index, then weld again.In this way, often there is shifting phenomena after welding, produce
Product index is unqualified, causes repair rate height.
The content of the invention
In view of the above-mentioned problems, the purpose of this utility model is the PWDM-PD components for providing a kind of adhesive structure, should
PWDM-PD components use the design of integral body, reduce the parts counts such as draw point, reduce processing step, improve once
Yields, reduce product cost.
To reach above-mentioned purpose, the technical scheme that the utility model is proposed is：A kind of PWDM-PD groups of adhesive structure
Part, including PWDM and photodetector, the photodetector are TO-CAN, wherein, in addition to an integral body, the one
PWDM optical fiber incidence ends, fiber reflection end and G-Lens are arranged with one end of body, its other end is set on TO-CAN；Will
The PWDM coupled ends being set-located with integral body are integrally placed at lower section, and TO-CAN is placed over, and adjusting integral body makes TO-
After CAN is in Best Coupling position, the position of be adhesively fixed by colloid integral body and TO-CAN, completes PWDM and visited with photoelectricity
Survey the coupling of device.
Further, the integral body is integral type turning casting die.
Further, the integral body is slightly larger than the external diameters of TO-CAN in this place in the internal diameter that place is arranged with TO-CAN.
Further, the outer end of the integral body is adhesively fixed with PWDM optical fiber by colloid, G-Lens upper and lower side
Fixed by colloid and bonding fiber.
Further, the integral tube length for being arranged with PWDM coupled ends is 13.5mm, its internal diameter >=2.8mm, institute
State PWDM optical fiber incidence ends, fiber reflection end is concordant with G-Lens upper end is located at this section of integral upward 2.8mm of bottom of the pipe.
Further, the colloid includes the UV glue of Primary Location and the structure glue of second consolidation.
Using above-mentioned technical proposal, the utility model has the advantages that：The utility model is by improving body knot
Structure, i.e., using integral shaft design, it is applicable viscose glue coupling, reduce the parts counts such as draw point, decrease to body
Secondary operation, while effectively solve the problems, such as device gap caused by directional light contraposition coupling process, after it also avoid welding
The problem of part displacement causes parameter shift, a yields is improved, product cost is reduced, improves processing efficiency.
Brief description of the drawings
Fig. 1 is PWDM-PD principle schematic；
Fig. 2 is the structural representation of existing PWDM-PD components；
Fig. 3 is the structural representation of the utility model PWDM-PD components；
Fig. 4 is the schematic diagram of d and L in the utility model PWDM-PD components.
Wherein：10.PWDM double-fiber optical fiber（Reflection end and incidence end）；11. optical fiber head；12.G-Lens；13. filter plate；
14. draw point；20.TO-CAN；30. body；40. transition rings；50. integral body；60. colloid.
Embodiment
With reference to the accompanying drawings and detailed description, the utility model is described further.
The utility model makes it be applicable viscose glue coupling, reduces the parts counts such as draw point, reduce by improving pipe structure
To processes such as the secondary operation of body, so as to reduce product cost, coupling efficiency is added, while also effectively solve parallel
Caused by light contraposition coupling process the problem of device gap, it also avoid part displacement after welding causes asking for parameter shift
Topic, improves a yields, improves processing efficiency.
Specifically, as shown in figure 3, a kind of PWDM-PD components of adhesive structure, including PWDM and photodetector, photoelectricity
Detector is TO-CAN 20, wherein, an in addition to integral body 50, the optical fiber of PWDM 10 is arranged with one end of integral body 50
Incidence end, fiber reflection end and G-Lens, its other end are set on TO-CAN 20, wherein the coupled ends of PWDM 10 and integral tube
Body 50 can be bonded by colloid 60 or welding assembly is fixed together.Preferably, integral body 50 is being arranged place with TO-CAN 20
Internal diameter be slightly larger than the external diameters of TO-CAN 20 in this place.The coupled ends of PWDM 10 being set-located with integral body 50 is overall
Placed below, TO-CAN 20 is placed over, and is adjusted after integral body 50 makes TO-CAN 20 be in Best Coupling position, is passed through glue
Body 60 is adhesively fixed the position of integral body 50 and TO-CAN 20, and then completes PWDM 10 and photodetector coupling.
Preferably, it is raising PWDM 10 and fiber-optical probe coupling efficiency, outer end and the PWDM 10 of integral body 50
Optical fiber is adhesively fixed by colloid 60, and G-Lens12 upper and lower side is fixed by colloid 60 with bonding fiber.In addition it is arranged with
The length L of integral body 50 of the coupled ends of PWDM 10 is 13.5 mm（As shown in Figure 4）, the mm of its internal diameter >=2.8, it is set in TO-
The external diameter of integral body 50 at CAN 20 is 6.2 mm, the optical fiber incidence ends of PWDM 10, fiber reflection end and G-Lens 12
Upper end is concordantly located at this section of integral upward 2.8mm in the lower end of body 50（As shown in d in Fig. 4）.
When coupling, G-Lens 12 and optical fiber colloid 60 are adhesively fixed, then are sheathed in integral body 50, one
The outer end of body body 50 is adhesively fixed with optical fiber colloid 60, then by TO-CAN 20 and the one for being arranged with the coupled ends of PWDM 10
Body 50 adjusts the fine setting for being allowed to carry out five dimension platform screw mandrels again after being mutually perpendicular to, then in TO-CAN 20 and integral body
Gap location between 50 applies UV glue, with UV light irradiation glue, 10 seconds or so, makes glue curing.After solidification, then applying UV glue
Gap at smearing structure glue again, and toasting is fully cured it, by TO-CAN 20 and is arranged with the coupled ends of PWDM 10
Integral body 50 firmly bonds together, and then completes PWDM 10 and photodetector coupling.Locate in coupling process
Integral body 50 in lower section can not be too oblique or too high, not so can influence coupling efficiency.
In addition, integral body 50 of the present utility model can use integral type turning casting die, the parts such as draw point are saved
Number and material cost, the manufacturing procedure of product is decreased, and in above-mentioned bonding process, it is allowed to PWDM 10 coupled end
There is bigger angle between photodetector, so as to which the required precision to parts such as bodys is relatively low, reduce further production
Product cost.Effectively solve the problems, such as device gap caused by directional light contraposition coupling process simultaneously, it also avoid zero after welding
The problem of part displacement causes parameter shift, a yields is improved, improves processing efficiency.
Although specifically showing and describing the utility model with reference to preferred embodiment, those skilled in the art should
This is understood, is not departing from the spirit and scope of the present utility model that appended claims are limited, in form and details
On the utility model is made a variety of changes, be the scope of protection of the utility model.
Claims (6)
1. a kind of PWDM-PD components of adhesive structure, including PWDM and photodetector, the photodetector is TO-CAN,
It is characterized in that：Also include an integral body, PWDM optical fiber incidence ends, fiber reflection are arranged with one end of the integral body
End and G-Lens, its other end are set on TO-CAN；The PWDM coupled ends being set-located with integral body are integrally placed at
Lower section, TO-CAN are placed over, and are adjusted after integral body makes TO-CAN be in Best Coupling position, and one is adhesively fixed by colloid
The position of body body and TO-CAN, complete the coupling of PWDM and photodetector.
2. the PWDM-PD components of a kind of adhesive structure as claimed in claim 1, it is characterised in that the integral body is one
Body formula turning casting die.
A kind of 3. PWDM-PD components of adhesive structure as claimed in claim 1, it is characterised in that the integral body with
The internal diameter that TO-CAN is arranged place is slightly larger than the external diameters of TO-CAN in this place.
4. the PWDM-PD components of a kind of adhesive structure as claimed in claim 1, it is characterised in that outside the integral body
End is adhesively fixed with PWDM optical fiber by colloid, and G-Lens upper and lower side is fixed by colloid and bonding fiber.
5. the PWDM-PD components of a kind of adhesive structure as claimed in claim 1, it is characterised in that described to be arranged with PWDM couplings
The integral tube length for closing end is 13.5mm, its internal diameter >=2.8mm, PWDM optical fiber incidence ends, fiber reflection end and G-Lens
Upper end is concordantly located at the upward 2.8mm of integral bottom of the pipe for being arranged with PWDM coupled ends.
A kind of 6. PWDM-PD components of adhesive structure as any one of claim 1 to 5, it is characterised in that the glue
Body includes the UV glue of Primary Location and the structure glue of second consolidation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621283425.9U CN206757106U (en) | 2016-11-28 | 2016-11-28 | A kind of PWDM PD components of adhesive structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621283425.9U CN206757106U (en) | 2016-11-28 | 2016-11-28 | A kind of PWDM PD components of adhesive structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206757106U true CN206757106U (en) | 2017-12-15 |
Family
ID=60606918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621283425.9U Expired - Fee Related CN206757106U (en) | 2016-11-28 | 2016-11-28 | A kind of PWDM PD components of adhesive structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206757106U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111048001A (en) * | 2019-12-26 | 2020-04-21 | 深圳市洲明科技股份有限公司 | Floating mounting seat and LED box body splicing method |
| CN111551248A (en) * | 2020-05-20 | 2020-08-18 | 武汉奥博奥科技有限公司 | Passive coupling small-size photoelectric detector |
-
2016
- 2016-11-28 CN CN201621283425.9U patent/CN206757106U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111048001A (en) * | 2019-12-26 | 2020-04-21 | 深圳市洲明科技股份有限公司 | Floating mounting seat and LED box body splicing method |
| CN111048001B (en) * | 2019-12-26 | 2021-09-21 | 深圳市洲明科技股份有限公司 | Floating mounting seat and LED box body splicing method |
| CN111551248A (en) * | 2020-05-20 | 2020-08-18 | 武汉奥博奥科技有限公司 | Passive coupling small-size photoelectric detector |
| CN111551248B (en) * | 2020-05-20 | 2022-08-09 | 武汉奥博奥科技有限公司 | Passive coupling small-size photoelectric detector |
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| 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: 20171215 Termination date: 20201128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |