CN106997080B - A kind of optical module - Google Patents
A kind of optical module Download PDFInfo
- Publication number
- CN106997080B CN106997080B CN201710370658.5A CN201710370658A CN106997080B CN 106997080 B CN106997080 B CN 106997080B CN 201710370658 A CN201710370658 A CN 201710370658A CN 106997080 B CN106997080 B CN 106997080B
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- China
- Prior art keywords
- closeouts
- optical
- fibre ribbon
- shell
- optical module
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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
Abstract
The invention discloses a kind of optical modules, be related to technical field of optical fiber communication, can solve the problems, such as existing optical module because the electromagnetic wave that is generated at transmitting-receiving optical device can gap across fibre ribbon and retaining piece and from optical port to due to external radiation other electronic equipments nearby are interfered.Optical module of the present invention includes shell, one end of the shell offers optical port, circuit board is equipped in the shell, retaining piece and fibre ribbon, the retaining piece gear is set between the circuit board and the optical port, the circuit board is equipped with transmitting-receiving optical device, described fibre ribbon one end is connect with the transmitting-receiving optical device, the other end passes through the retaining piece and connect with the optical port, the first closeouts are additionally provided in the shell, first closeouts are between the circuit board and the optical port, and it is sheathed on the fibre ribbon, first closeouts are used to block the gap between the fibre ribbon and the retaining piece.The present invention is used for photoelectric conversion.
Description
Technical field
The present invention relates to technical field of optical fiber communication more particularly to a kind of optical modules.
Background technique
In Fibre Optical Communication Technology, carrier of the optical signal as information carries out high speed, long-time, reliable information and passes
It is defeated.The effect of optical module is photoelectric conversion, i.e. transmitting terminal converts electrical signals into optical signal, after being transmitted by optical fiber, receiving end
Optical signal is converted into electric signal again.
Fig. 1 is a kind of optical module in the prior art, including shell (not shown), and one end of shell offers light
Mouthful, circuit board 01, retaining piece (not shown) and fibre ribbon 02 are equipped in shell, retaining piece gear is set to circuit board 01 and light
Mouthful between, circuit board 01 be equipped with transmitting-receiving optical device 03,02 one end of fibre ribbon with transmitting-receiving optical device 03 connect, the other end across every
Block piece is simultaneously connect with optical port.
At work, electromagnetic wave can be generated at optical device 03 to the optical module by receiving and dispatching, these electromagnetic waves can pass through fibre ribbon 02
Gap between retaining piece, and to external radiation from optical port, therefore neighbouring other electronic equipments can be interfered.
Summary of the invention
The embodiment of the present invention provides a kind of optical module, can solve existing optical module because of the electromagnetism of generation at transmitting-receiving optical device
Wave gap across fibre ribbon and retaining piece and can cause to do to external radiation from optical port to neighbouring other electronic equipments
The problem of disturbing.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that
A kind of optical module, including shell, one end of the shell offer optical port, be equipped in the shell circuit board, every
Block piece and fibre ribbon, the retaining piece gear are set between the circuit board and the optical port, and the circuit board is equipped with transmitting-receiving
Optical device, described fibre ribbon one end are connect with the transmitting-receiving optical device, and the other end passes through the retaining piece and connects with the optical port
It connects, the first closeouts is additionally provided in the shell, first closeouts cover between the circuit board and the optical port
On the fibre ribbon, first closeouts are used to block the gap between the fibre ribbon and the retaining piece.
Optical module provided in an embodiment of the present invention, due to being equipped with the first closeouts, first closeouts in the shell
It between the circuit board and the optical port, and is sheathed on the fibre ribbon, first closeouts are described for blocking
Gap between fibre ribbon and the retaining piece, therefore when optical module work, receiving and dispatching the electromagnetic wave generated at optical device can spoke
It is mapped in first closeouts, and is reflected by first closeouts, on the one hand can be made across fibre ribbon and retaining piece in this way
Between gap electromagnetic wave reduce, i.e., from optical port to the electromagnetic wave of external radiation reduce, on the other hand can decay electromagnetic wave
Energy, to reduce the interference caused by neighbouring other electronic equipments.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the schematic diagram of optical module in the prior art；
Fig. 2 is the schematic diagram of optical module of the embodiment of the present invention；
Fig. 3 is the explosive view of Fig. 2；
Fig. 4 is the schematic diagram of the first closeouts in optical module of the embodiment of the present invention；
Fig. 5 is the relative position schematic diagram of the first closeouts and the second closeouts in optical module of the embodiment of the present invention；
Fig. 6 is the schematic diagram of upper housing and lower case in optical module of the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only one section of point of embodiment of the invention, rather than the embodiment of full section.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be to be connected directly, the connection inside two elements can also be can be indirectly connected through an intermediary.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Fig. 2 to Fig. 6 is a specific embodiment of optical module of the embodiment of the present invention, and the optical module in the present embodiment includes shell
Body 1, one end of shell 1 offer optical port A, are equipped with circuit board 2, retaining piece D and fibre ribbon 3 in shell 1, wherein circuit board 2
It is the carrier for receiving and dispatching optical device 4 and signal；Retaining piece D gear is set between circuit board 2 and optical port A, and circuit board 2 is equipped with transmitting-receiving light
Device 4, transmitting-receiving optical device 4 includes emitting portion, receiving portion and lens, and emitting portion therein specifically includes laser
VCSEL (Vertical Cavity Surface Emitting Laser, vertical cavity surface emitting laser) and with laser connect
The laser driver connect, the light that laser VCSEL is issued is upward along the direction perpendicular to circuit board 2, and receiving portion specifically includes
Reception diode, trans-impedance amplifier and limiting amplifier etc., lens are covered in the top of emitting portion and receiving portion, for pair
The light that laser VCSEL is issued is reflected and is reflected, to change the direction of light；3 one end of fibre ribbon passes through the first connector 7 and receipts
Luminescent device 4 connects, and the other end passes through retaining piece D and connect with optical port A by the second connector 8, the effect of the first connector 7 be by
The light of laser VCSEL transmitting is imported into fibre ribbon 3, and the effect of the second connector 8 is will be in external fiber (not shown)
Light imported into fibre ribbon 3；Specifically, the first connector 7 and the second connector 8 are MPO (Multi-fiber Push On) types
Optical fiber connector, i.e., a kind of umbilical connector of multicore multichannel；When transmitting, the light of laser VCSEL transmitting passes through lens
It is entered after refraction in the first connector 7, then reaches the second connector 8 by fibre ribbon 3, then pass by the connector on external fiber
It is defeated into external fiber；When reception, the light on external fiber inputs optical module by the second connector 8, then after fibre ribbon 3
The first connector 7 is reached, lens are then reached, is transmitted to reception diode after lens reflect；The first envelope is additionally provided in shell
Blocking piece 5, the first closeouts 5 are sheathed on fibre ribbon 3 between circuit board 2 and optical port A, and the first closeouts 5 are for blocking
Gap between fibre ribbon 3 and retaining piece D.
Optical module provided in an embodiment of the present invention, due to being equipped with the first closeouts 5 in shell 1, the first closeouts 5 are located at electricity
It between road plate 2 and optical port A, and is sheathed on fibre ribbon 3, the first closeouts 5 are for blocking between fibre ribbon 3 and retaining piece D
Gap, therefore when optical module work, receiving and dispatching the electromagnetic wave generated at optical device 4 can be radiated in the first closeouts 5, and by the
On the one hand the reflection of one closeouts 5 can be such that the electromagnetic wave in the gap across fibre ribbon 3 and retaining piece D reduces, i.e., from light in this way
It is reduced at mouth A to the electromagnetic wave of external radiation, the energy for the electromagnetic wave that on the other hand can decay, to reduce to neighbouring other electronics
It is interfered caused by equipment.
In above-described embodiment, due to that can have some gaps, electromagnetic wave meeting between the first closeouts 5 and fibre ribbon 3
By these gaps to external radiation, and then neighbouring other electronic equipments are interfered, in order to alleviate the above problem, the present embodiment
Be equipped with the second closeouts 6 between the upper surface B and lower surface C and shell 1 of middle fibre ribbon 3, i.e. the second closeouts 6 with
First closeouts 5 are arranged along the length direction of fibre ribbon 3, the second closeouts 6 for block fibre ribbon 3 and the first closeouts 5 it
Between gap, i.e. the second closeouts 6 can block the gap between upper surface B and lower surface C and 5 corresponding position of the first closeouts,
To reduce electromagnetic wave to external radiation, and then alleviate the problem of interfering to neighbouring other electronic equipments.
Referring to Fig. 3, retaining piece D is card slot, and the first closeouts 5 are connected in card slot, thus can pass through the first closeouts 5
Card slot is fixed, thus keep the structure of optical module more firm, it is also more preferable to the reflecting effect of electromagnetic wave.
Referring to Fig. 3, the position of corresponding two the second closeouts 6 is equipped with boss E, boss E and phase on the inner surface of shell 1
The second closeouts 6 answered abut, and can reduce the setting thickness of the second closeouts 6 in this way.
Referring to Fig. 6, shell 1 includes upper housing 11 and lower case 12, is all provided on the inner surface of upper housing 11 and lower case 12
There is card slot, thus the first closeouts 5 can be fixed by two card slots, to improve the fixation to the first closeouts 5
Effect, and then keep the structure of optical module more firm, it is also more preferable to the reflecting effect of electromagnetic wave.
Preferably, the second closeouts 6 are made by flexible material, and each second closeouts 6 are in the pressure of 1 corresponding position of shell
It is attached on fibre ribbon 3 under power effect, and along the width direction of fibre ribbon 3, the size of each second closeouts 6 is all larger than optical fiber
With 3 size, since fibre ribbon 3 is relatively thin, the position in two the second closeouts 6 without departing from 3 width of fibre ribbon can block upper table
Gap between 5 corresponding position of face B and lower surface C and the first closeouts, the position beyond 3 width of fibre ribbon can block two sides
One around fibre ribbon 3 can be enclosed gap by the gap between 5 corresponding position of face F and the first closeouts, i.e. two the second closeouts 6
It blocks tightly, to block electromagnetic wave toward the channel of external radiation completely, and then completely avoids to neighbouring other electronic equipments
The problem of interfering.
First closeouts 5 can be annular, or C-shaped, the present embodiment preferably the first closeouts 5 are C-shaped, such as Fig. 4
It is shown, thus fibre ribbon 3 can be installed from the indentation, there of the first closeouts of C-shaped 5 to the first closeouts of C-shaped 5, to facilitate
Installation.
Referring to Fig. 2 and Fig. 3, the first closeouts 5 are arranged close to optical port A, thus the internal structure of optical module can be made more compact,
Molding is more convenient.
The selectable type of material of first closeouts 5 is more, such as metal material, absorbing material etc., and the present embodiment is excellent
It selects the first closeouts 5 to be made by absorbing material, can make the first closeouts 5 can not only reflection electromagnetic wave in this way, moreover it is possible to absorb electromagnetism
Wave, to further reduced the interference caused by neighbouring other electronic equipments.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (9)
1. a kind of optical module, which is characterized in that including shell, one end of the shell offers optical port, is equipped in the shell
Circuit board, retaining piece and fibre ribbon, the retaining piece gear is set between the circuit board and the optical port, on the circuit board
Equipped with transmitting-receiving optical device, described fibre ribbon one end connect with the transmitting-receiving optical device, the other end across the retaining piece and with institute
Optical port connection is stated, is additionally provided with the first closeouts in the shell, first closeouts are located at the circuit board and the optical port
Between, and be sheathed on the fibre ribbon, first closeouts are for blocking between the fibre ribbon and the retaining piece
Gap.
2. optical module according to claim 1, which is characterized in that the upper and lower surfaces of the fibre ribbon and the shell
The second closeouts are equipped between body, second closeouts are for blocking the fibre ribbon and first closeouts
Between gap.
3. optical module according to claim 1, which is characterized in that the retaining piece is card slot, the first closeouts card
It is connected in the card slot.
4. optical module according to claim 2, which is characterized in that two described second corresponding on the inner surface of the shell
The position of closeouts is equipped with boss, and the boss is abutted with corresponding second closeouts.
5. optical module according to claim 3, which is characterized in that the shell includes upper housing and lower case, it is described on
The card slot is equipped on shell and the inner surface of the lower case.
6. optical module according to claim 2, which is characterized in that second closeouts are made by flexible material, each
Second closeouts are attached on the fibre ribbon under the pressure effect of the shell corresponding position, and along the optical fiber
The size of the width direction of band, each second closeouts is all larger than the size of the fibre ribbon.
7. optical module according to claim 1, which is characterized in that first closeouts are C-shaped.
8. optical module according to claim 1, which is characterized in that first closeouts are arranged close to the optical port.
9. optical module according to claim 1, which is characterized in that first closeouts are made by absorbing material.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710370658.5A CN106997080B (en) | 2017-05-23 | 2017-05-23 | A kind of optical module |
| US15/857,884 US10271403B2 (en) | 2017-04-06 | 2017-12-29 | Optical module |
| US15/857,942 US10788631B2 (en) | 2017-04-06 | 2017-12-29 | Optical module |
| US15/857,855 US10257910B2 (en) | 2017-04-06 | 2017-12-29 | Optical module |
| US15/857,987 US10440799B2 (en) | 2017-04-06 | 2017-12-29 | Optical module |
| US15/857,958 US10390409B2 (en) | 2017-04-06 | 2017-12-29 | Optical module |
| US16/297,853 US10575382B2 (en) | 2017-04-06 | 2019-03-11 | Optical module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710370658.5A CN106997080B (en) | 2017-05-23 | 2017-05-23 | A kind of optical module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106997080A CN106997080A (en) | 2017-08-01 |
| CN106997080B true CN106997080B (en) | 2019-09-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710370658.5A Active CN106997080B (en) | 2017-04-06 | 2017-05-23 | A kind of optical module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106997080B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110888198B (en) * | 2018-09-10 | 2021-04-27 | 深圳望得源科技有限公司 | Optical fiber attenuator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101046530A (en) * | 2006-03-29 | 2007-10-03 | 优迪那半导体有限公司 | Optical communication module and manufacturing method thereof |
| CN103443680A (en) * | 2010-09-17 | 2013-12-11 | 株式会社优奈芙 | Optical transmission and receiving device for implementing passive alignment of components and method for passively aligning components |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8550727B2 (en) * | 2012-01-24 | 2013-10-08 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Parallel optical communications system that incorporates a method and apparatus for performing electromagnetic interference (EMI) containment |
-
2017
- 2017-05-23 CN CN201710370658.5A patent/CN106997080B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101046530A (en) * | 2006-03-29 | 2007-10-03 | 优迪那半导体有限公司 | Optical communication module and manufacturing method thereof |
| CN103443680A (en) * | 2010-09-17 | 2013-12-11 | 株式会社优奈芙 | Optical transmission and receiving device for implementing passive alignment of components and method for passively aligning components |
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| Publication number | Publication date |
|---|---|
| CN106997080A (en) | 2017-08-01 |
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