CN205880284U - Two transmission photoelectric conversion modules of extra small encapsulation - Google Patents
Two transmission photoelectric conversion modules of extra small encapsulation Download PDFInfo
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- CN205880284U CN205880284U CN201620573464.6U CN201620573464U CN205880284U CN 205880284 U CN205880284 U CN 205880284U CN 201620573464 U CN201620573464 U CN 201620573464U CN 205880284 U CN205880284 U CN 205880284U
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Abstract
The utility model discloses a two transmission photoelectric conversion modules of extra small encapsulation, including little encapsulation shell, optical fiber interface and electrical interface, optical fiber interface and electrical interface set up the both sides limit at the encapsulation shell respectively, little encapsulation shell in still be provided with a laser driver, the 2nd laser driver, first laser instrument and second laser instrument, the optical fiber interface be connected with the electrical interface through the laser driver that is connected and first laser instrument and the 2nd laser driver who is connected and second laser instrument respectively. In this way, the utility model provides a data port that two transmission photoelectric conversion modules of extra small encapsulation, the double - circuit data signal of sampling pass through the photoelectric conversion module inputs laser driver, the luminous lightning conversion that realizes sampled signal of laser driver modulation driving laser ware, and the double - circuit laser signal of output passes through optical fiber transmission to the signal processor of distal end, and that guarantees sampled signal gathers the processing fast reliable.
Description
Technical field
This utility model relates to the field of photoelectric conversion module, particularly relates to a kind of extra small encapsulation double transmitting opto-electronic conversion mould
Block.
Background technology
Fiber optic communication has electrical insulation capability height, capacity of resisting disturbance is strong, capacity is big, transmission quality advantages of higher, so
Radar control system, industrial automation observing and controlling transmission system are applied fiber optic communication just can realize the efficient, safe of communication and
Stable operation.
The antenna array of phased-array radar is made up of, unit number many radiating elements and reception unit (referred to as array element)
Mesh is relevant with the function of radar, can be from hundreds of to several ten thousand.The well-regulated arrangement of these unit in the plane, forming array
Antenna.The number of unit of antenna is the most, then the orientation that wave beam is possible in space is the most.One radar several ten thousand unit of front
Data to carry out data transmission analyzing and processing with intercomputer, and the excellent properties of fiber optic communication becomes the first-selection of communication.Accompanying drawing 1,
The receiving portion schematic diagram of phased array radar.
The signal processor at receiver signal radar control the to be transferred to center of phased array radar, fiber optic communication is optimal side
Case.But, substantial amounts of photoelectric conversion module wants intensive being arranged on radar, uses common miniaturization photo-electricity modular converter external form
Size is bigger, and a photoelectric conversion module can only upload a road signal, and the assembly space intensive relative to phased array radar is very
Inconvenience.
Have the disadvantage that with common miniaturization photo-electricity modular converter
1) only riches all the way penetrates, a road receives for common compact photoelectric conversion module, common photoelectric conversion module with
Time can only transmission of one line launch signal, be unfavorable for the miniaturization of control equipment；
2) overall dimensions of common compact photoelectric conversion module is bigger, is not easy to intensive installation, is unfavorable for equipment
Miniaturization；
3) connection of common compact photoelectric conversion module and system board is that golden finger plugging mode connects, it is necessary to use cage
Fixing and dispel the heat, it is big that cage takies system board space, is unfavorable for intensive assembling.
Utility model content
This utility model is mainly solving the technical problems that provide a kind of extra small encapsulation double photoelectric conversion module of launching, satisfied
Phased array radar and the design requirement of similar industry control sample devices, it is achieved single photoelectric conversion module transmission two-way launches optical signal,
More adapt to the miniaturization of sampled data multiple transmission apparatus；The particularization controlling equipment for phased array radar and similar industry control should
With, the connected mode of photoelectric conversion module overall dimensions and photoelectric conversion module and system board is improved, significantly reduces
The installation dimension of photoelectric conversion module, improves and installs ground reliability, solve photoelectric conversion module intensive installation on system board
Problem.
For solving above-mentioned technical problem, the technical scheme that this utility model uses is: provide a kind of extra small encapsulation
Double transmitting photoelectric conversion modules, including small package shell, optical fiber interface and electrical interface, described optical fiber interface and electrical interface divide
It is not arranged on the dual-side of package casing, is additionally provided with the first laser driver in described small package shell, the second laser drives
Dynamic device, the first laser instrument and second laser, described optical fiber interface is respectively by the first laser driver being connected and the
One laser instrument and the second laser driver being connected are connected with electrical interface with second laser.
In one preferred embodiment of this utility model, described electrical interface uses the surface mount mode of 10 feet.
In one preferred embodiment of this utility model, the bottom of described small package shell is provided with two screw columns.
In one preferred embodiment of this utility model, the first described laser driver and the second laser driver are all adopted
Use integrated circuit MAX3738.
In one preferred embodiment of this utility model, the first described laser instrument and second laser all use FP or
Distributed Feedback Laser.
In one preferred embodiment of this utility model, described small package shell uses metal shell, electric isolution design
Structure.
The beneficial effects of the utility model are: extra small encapsulation of the present utility model is double launches photoelectric conversion module, sampling
Two-way data signal is input to laser driver by the data port of photoelectric conversion module, and laser driver modulation drives laser instrument
Luminescence realizes the electro-optic conversion of sampled signal, and the Double passage laser signal of output passes through the fiber-optic transfer signal processor to far-end,
Ensure the fast and reliable acquisition process of sampled signal.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, required in embodiment being described below
Accompanying drawing to be used is briefly described, it should be apparent that, the accompanying drawing in describing below is only realities more of the present utility model
Execute example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to these accompanying drawings
Obtain other accompanying drawing, wherein:
Fig. 1 is that this utility model is with the double Facad structure launching photoelectric conversion module one preferred embodiment of extra small encapsulation
Schematic diagram；
Fig. 2 is the structure schematic diagram of Fig. 1；
Fig. 3 is the internal structure block diagram of the medium and small package casing of Fig. 1；
Reference is as follows: 1, small package shell, and 2, optical fiber interface, 3, electrical interface, 4, screw column, the 11, first laser drives
Dynamic device, the 12, second laser driver, the 13, first laser instrument, 14, second laser.
Detailed description of the invention
Technical scheme in this utility model embodiment will be clearly and completely described below, it is clear that described
Embodiment is only a part of embodiment of the present utility model rather than whole embodiments.Based on the enforcement in this utility model
Example, all other embodiments that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into
The scope of this utility model protection.
As shown in Figure 1 to Figure 3, this utility model embodiment includes:
A kind of extra small encapsulation is double launches photoelectric conversion module, including small package shell 1, optical fiber interface 2 and electrical interface 3,
Described optical fiber interface 1 and electrical interface 3 are separately positioned on the dual-side of package casing 1, also set up in described small package shell 1
There is the first laser driver the 11, second laser driver the 12, first laser instrument 13 and second laser 14, described optical fiber interface
2 respectively by the first laser driver 11 of being connected and the first laser instrument 13 and the second laser driver 12 He being connected
Second laser 14 is connected with electrical interface 3.
In above-mentioned, described electrical interface 3 uses the surface mount mode of 10 feet；The bottom of described small package shell 1 sets
It is equipped with two screw columns 4.
Mode and the size of optical fiber interface 1 are compatible with common small package photoelectric conversion module, and length reduction is close to half；
The connected mode of electrical interface 3 and system board (scheme depending on) uses the surface mount mode of 10 feet, and package casing 1 and system board use
Screw fixed form, meets higher shock resistance, improves the reliability worked under harsh and unforgiving environments.
Design principle:
1, circuit arrangement design: laser-driven chip selects the used ripe integrated circuit MAX3738 of high-volume, electricity
Road plate uses multiple sliding cover, in order to meet little spatial design, uses rigid-flex to combine Transition Design；
2, optical assembly design: using Stability Analysis of Structures, dispel the heat reliable shell structure, selects FP or DFB according to design objective
Laser instrument, coupling makes the optical assembly that total temperature scope is stable and reliable in work；
3, shell and trim designs: optical interface compatibility small package photoelectric conversion module (SFP MAS) multiplex protocol, uses gold
Belong to shell, electric isolution design structure, clamping mode after the employing of electrical interface pricking with needle, it is ensured that the photoelectric conversion module assembled is overall steady
Fixed reliable.
The double photoelectric conversion module of launching of extra small encapsulation of the present utility model has the advantage that
1, the space making a photoelectric conversion module have only to take common small package photoelectric conversion module half can pass
Defeated two-way sampled signal, greatly improves the packing density of system board, it is achieved the Miniaturization Design of equipment；
2, photoelectric conversion module electrical interface and the surface mount mode that is connected by of system board, simultaneously photoelectric conversion module and
System board is screwed, it is ensured that photoelectric conversion module use under various harsh and unforgiving environments, improves whole system
Reliability.
In sum, extra small encapsulation of the present utility model is double launches photoelectric conversion module, and the two-way data signal of sampling is led to
The data port crossing photoelectric conversion module is input to laser driver, and laser driver modulation drives laser instrument luminescence to realize sampling letter
Number electro-optic conversion, the Double passage laser signal of output is by fiber-optic transfer to the signal processor of far-end, it is ensured that sampled signal
Fast and reliable acquisition process.
The foregoing is only embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model, every
Utilize equivalent structure or equivalence flow process conversion that this utility model description made, or be directly or indirectly used in other phase
The technical field closed, is the most in like manner included in scope of patent protection of the present utility model.
Claims (6)
1. extra small encapsulation double transmitting photoelectric conversion module, it is characterised in that include small package shell, optical fiber interface and electricity
Interface, described optical fiber interface and electrical interface are separately positioned on the dual-side of package casing, also set in described small package shell
Being equipped with the first laser driver, the second laser driver, the first laser instrument and second laser, described optical fiber interface leads to respectively
Cross the first laser driver and the first laser instrument that are connected and the second laser driver being connected and second laser with
Electrical interface is connected.
Extra small encapsulation the most according to claim 1 is double launches photoelectric conversion module, it is characterised in that described electrical interface is adopted
By the surface mount mode of 10 feet.
Extra small encapsulation the most according to claim 1 is double launches photoelectric conversion module, it is characterised in that outside described small package
The bottom of shell is provided with two screw columns.
Extra small encapsulation the most according to claim 1 is double launches photoelectric conversion module, it is characterised in that the first described laser
Driver and the second laser driver all use integrated circuit MAX3738.
Extra small encapsulation the most according to claim 1 is double launches photoelectric conversion module, it is characterised in that the first described laser
Device and second laser all use FP or Distributed Feedback Laser.
Extra small encapsulation the most according to claim 1 is double launches photoelectric conversion module, it is characterised in that outside described small package
Shell uses metal shell, electric isolution design structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620573464.6U CN205880284U (en) | 2016-06-13 | 2016-06-13 | Two transmission photoelectric conversion modules of extra small encapsulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620573464.6U CN205880284U (en) | 2016-06-13 | 2016-06-13 | Two transmission photoelectric conversion modules of extra small encapsulation |
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| Publication Number | Publication Date |
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| CN205880284U true CN205880284U (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620573464.6U Active CN205880284U (en) | 2016-06-13 | 2016-06-13 | Two transmission photoelectric conversion modules of extra small encapsulation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110391846A (en) * | 2018-04-23 | 2019-10-29 | 海思光电子有限公司 | Tunable laser device assembly |
-
2016
- 2016-06-13 CN CN201620573464.6U patent/CN205880284U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110391846A (en) * | 2018-04-23 | 2019-10-29 | 海思光电子有限公司 | Tunable laser device assembly |
| CN110391846B (en) * | 2018-04-23 | 2021-01-12 | 海思光电子有限公司 | Tunable laser assembly |
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