CN110275256A - A kind of plastic packaging adapter device optical module and its optical port electromagnetic armouring structure - Google Patents
A kind of plastic packaging adapter device optical module and its optical port electromagnetic armouring structure Download PDFInfo
- Publication number
- CN110275256A CN110275256A CN201910637758.9A CN201910637758A CN110275256A CN 110275256 A CN110275256 A CN 110275256A CN 201910637758 A CN201910637758 A CN 201910637758A CN 110275256 A CN110275256 A CN 110275256A
- Authority
- CN
- China
- Prior art keywords
- briquetting
- pedestal
- plastic packaging
- baffle
- rosa
- 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.)
- Pending
Links
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 75
- 230000003287 optical effect Effects 0.000 title claims abstract description 56
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 91
- 235000011449 Rosa Nutrition 0.000 claims abstract description 54
- 239000000463 material Substances 0.000 claims description 21
- 238000005452 bending Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- -1 pedestal and lid Chemical compound 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- 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
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3825—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres with an intermediate part, e.g. adapter, receptacle, linking two plugs
-
- 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
- G02B6/4256—Details of housings
-
- 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
- G02B6/4274—Electrical aspects
- G02B6/4277—Protection against electromagnetic interference [EMI], e.g. shielding means
-
- 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
- G02B6/4274—Electrical aspects
- G02B6/428—Electrical aspects containing printed circuit boards [PCB]
Abstract
The invention discloses a kind of plastic packaging adapter device optical module and its optical port electromagnetic armouring structures, including pedestal, upper cover, TOSA and ROSA are installed in pedestal, pedestal is equipped with support rim, the lower end surface of briquetting and the upper end face contact of support rim, the lower end of briquetting is equipped with semi-circular recesses, it is corresponding with the semi-circular recesses on pedestal, form round hole, TOSA, in the round hole that the semi-circular recesses of semi-circular recesses and briquetting that the first diameter section of the plastic packaging adapter of ROSA is respectively fitting into pedestal are constituted, the upper end of briquetting is equipped with horizontal extension, baffle is mounted on the base, with base contacts, end in contact under the upper end of baffle and the horizontal extension of briquetting, TOSA, the second diameter section of the plastic packaging adapter of ROSA cooperates in two matching holes of baffle.It can further obviate the elongated gap between briquetting and pedestal, while Circularhole diameter caused by reducing because of plastic packaging adapter, can effectively promote the electromagnetic shielding performance of plastic packaging adapter device optical module optical port.
Description
Technical field
The present invention relates to field of photoelectric technology, and in particular to a kind of plastic packaging adapter device optical module and its optical port electromagnetic screen
Shield structure.
Background technique
Plastic packaging adapter compared to metal adapter have it is cheap, itself insulate the features such as, but plastic packaging adapter because
Itself insulation the characteristics of also result in the poor problem of optical module optical port EMI performance, optical port EMI be unable to reach require when,
The use of plastic packaging adapter device also will receive limitation.Traditional upper cover type optical module, is fixed by upper cover, pedestal, briquetting
TOSA and ROSA, though such fixed form is simple, there are elongated gaps between briquetting and upper cover, between briquetting and pedestal
Cooperation can also have elongated gap, and briquetting is crimped with plastic packaging adapter and is relatively large in diameter, and cannot effectively shield the electricity of optical module optical port
Magnetic wave.In general, plastic packaging adapter device, under such fixed form, optical port performance is unable to satisfy when requiring, can briquetting with it is upper
The conductive flexible material such as conductive fabric or conductive rubber strip is pasted between lid, while selecting many suction wave class materials to overcome this to lack
It falls into, although can achieve the purpose that the EMI performance for enhancing optical module optical port, will lead to assembly complexity simultaneously, overall cost is significantly
Increase.
Summary of the invention
The purpose of the present invention is to provide a kind of plastic packaging adapter device optical module and its optical port electromagnetic armouring structure, the knots
Structure can reduce Circularhole diameter caused by plastic packaging adapter, eliminate between briquetting and pedestal and the elongate slot between briquetting and upper cover
Gap, it is ensured that briquetting is well contacted with upper cover and pedestal, effectively promotes the electromagnetic shielding performance of optical module optical port.
The present invention is implemented as follows: the present invention provides a kind of optical port of plastic packaging adapter device optical module electromagnetic shieldings
Structure closes the upper cover on pedestal including pedestal and lid, is equipped with TOSA and ROSA in the pedestal, further includes baffle and pressure
Block, the pedestal are equipped with the support rim with semi-circular recesses, for supporting the plastic packaging adapter of TOSA, ROSA respectively
First diameter section, the briquetting are located at the top of support rim, the lower end surface of the briquetting and the upper end face contact of support rim,
The upper surface of the briquetting is contacted with upper cover, and the lower end of the briquetting is equipped with the semi-circular recesses on semi-circular recesses, with pedestal
It is corresponding, form round hole, the first diameter section of the plastic packaging adapter of TOSA, ROSA be respectively fitting into the semi-circular recesses of pedestal with
In two round holes that the semi-circular recesses of briquetting are constituted, the upper end of the briquetting is equipped with horizontal extension, the baffle installation
On pedestal, with base contacts, the baffle is located at the horizontal extension lower end of briquetting, and the level of the upper end of baffle and briquetting
End in contact under extension, the baffle be equipped with for respectively with the second diameter section of the plastic packaging adapter of TOSA, ROSA cooperation
The second diameter section of matching hole, the plastic packaging adapter of TOSA, ROSA cooperates in two matching holes of baffle.
Further, the upper end face contact of the lower end surface of the briquetting and support rim, makes between briquetting and support rim
Form Step Circular hole, the first diameter section and third diameter segment corresponding matching of the plastic packaging adapter of TOSA pedestal and briquetting it
Between Step Circular hole two diameter hole sections in, the first diameter section and third diameter segment of the plastic packaging adapter of ROSA correspondence are matched
In two diameter hole sections for closing the Step Circular hole between pedestal and briquetting.
Further, the first diameter section of the plastic packaging adapter of TOSA, ROSA is greater than its second diameter section；TOSA,ROSA
Plastic packaging adapter second diameter Duan Weiqi minimum diameter section；The second diameter section of the plastic packaging adapter of described TOSA, ROSA
Third diameter segment is equipped between first diameter section, the third diameter segment of the plastic packaging adapter of TOSA, ROSA is greater than first diameter
Section, second diameter section.
Further, conductive flexible material, the lower end of the conduction flexible material are installed between the briquetting and upper cover
It is contacted with briquetting, the upper end of the conduction flexible material is contacted with upper cover.
Further, the upper end of the briquetting is equipped with the first groove for installing conductive flexible material, and the conduction is soft
Property material is mounted in the first groove of briquetting upper end.
Further, the baffle passes through the elastic slice and base contacts being equipped with；The centre of the baffle is equipped with opening, described
Opening is located between two matching holes, and baffle is located at matching hole two sides and is respectively equipped with the first elastic slice and base contacts；Baffle is located at
The lower end of matching hole is equipped with the second elastic slice and base contacts；Bending is prolonged round about respectively for first elastic slice, the second elastic slice
It stretches.The lower end that baffle is located at matching hole is equipped with the second elastic slice and contacts with the support rim of pedestal, to eliminate baffle lower end and pedestal
Between elongated gap.Baffle is located at matching hole two sides and is respectively equipped with the positive stop end face contact that the first elastic slice and pedestal are equipped with.
The lower end surface of the baffle can not can also be contacted with base contacts with pedestal.
Further, the lower end of the briquetting is equipped with the second groove for cooperating with baffle upper end, the baffle upper end
It protrudes into the second groove of briquetting lower end.
Further, the two sides of the briquetting are respectively equipped with protrusion, and the two sides side wall of the pedestal is respectively equipped with groove, institute
The male cooperation of briquetting two sides is stated in the groove of pedestal two sides side wall.
Further, the bottom of the briquetting is equipped with raised, in the groove that the support rim for protruding into pedestal is equipped with
Cooperate with it.
Further, the briquetting is equipped with vertical portion and the horizontal extension positioned at vertical portion upper end, forms L-type, institute
The vertical portion lower end setting semi-circular recesses of briquetting are stated, the vertical portion lower end of the briquetting is equipped with protrusion, for protruding into pedestal
Cooperate in the groove that support rim is equipped with it.The lower end of the briquetting set there are three protrusion, wherein two protrusion respectively positions
In briquetting lower end surface two sides, a protrusion is located among briquetting lower end surface.
The present invention also provides a kind of plastic packaging adapter device optical modules, close including pedestal and lid upper on pedestal
It covers, PCB main board, TOSA and ROSA is installed in the pedestal, TOSA and ROSA are electrically connected with PCB main board, it is characterised in that: are adopted
With above-mentioned optical port electromagnetic armouring structure.
Further, upper cover, pedestal are equipped with the small elastic slice contacted with interchanger cage.
Beneficial effects of the present invention: the optical port electromagnetic armouring structure of plastic packaging adapter device optical module designed by the present invention
Including baffle and briquetting, the pedestal is equipped with the support rim with semi-circular recesses, for supporting TOSA, ROSA respectively
The first diameter section of plastic packaging adapter, the briquetting are located at the top of support rim, the lower end surface of the briquetting and support rim
Upper end face contact, the upper surface of the briquetting contacts with upper cover, and the lower end of the briquetting is equipped on semi-circular recesses, with pedestal
Semi-circular recesses it is corresponding, form round hole, the first diameter section of the plastic packaging adapter of TOSA, ROSA is respectively fitting into pedestal
In two round holes that the semi-circular recesses of semi-circular recesses and briquetting are constituted, the upper end of the briquetting is equipped with horizontal extension,
The baffle is located at the horizontal extension lower end of briquetting, end in contact under the upper end of the baffle and the horizontal extension of briquetting, institute
Baffle and base contacts are stated, the baffle is equipped with for cooperating respectively with the second diameter section of the plastic packaging adapter of TOSA, ROSA
Matching hole, the second diameter section of the plastic packaging adapter of TOSA, ROSA cooperates in two matching holes of baffle.The circular hole of baffle
Cooperate with adapter minimum diameter, Circularhole diameter caused by effectively reducing because of plastic packaging adapter.And also disappear using the above structure
Except the elongated gap between briquetting and pedestal and between briquetting and upper cover, it is ensured that briquetting is well contacted with upper cover and pedestal,
Effectively promote the electromagnetic shielding performance of optical module optical port, the less use for inhaling wave class material, save the cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the optical port electromagnetic armouring structure of plastic packaging adapter device optical module of the invention；
Fig. 2 is the structural schematic diagram at a visual angle of briquetting of the invention；
Fig. 3 is the structural schematic diagram at another visual angle of briquetting of the invention；
Fig. 4 is the structural schematic diagram that TOSA, ROSA are installed on pedestal of the invention；
Fig. 5 is the structural schematic diagram of baffle of the invention；
Fig. 6 is the structural schematic diagram of pedestal of the invention；
Fig. 7 is the plastic packaging adapter structure schematic diagram of TOSA, ROSA；
Fig. 8 is the assembling sectional view of the optical port electromagnetic armouring structure of plastic packaging adapter device optical module of the invention；
Fig. 9 is the structural schematic diagram of optical module of the invention.
In attached drawing, 1 is upper cover, and 2 be conductive-type material, and 3 be briquetting, and 31 be the first groove of briquetting, and 32 be briquetting two sides
Protrusion, 33 be the first protrusion of briquetting bottom, and 34 be the second protrusion of briquetting bottom, and 35 be the second groove of briquetting, and 36 be briquetting
Horizontal extension, 37 be the semi-circular recesses of briquetting, and 4 be baffle, and 41 be the first elastic slice of baffle, and 42 be the second bullet of baffle
Piece, 43 be the matching hole of baffle, and 44 be opening, and 5 be TOSA, and 6 be ROSA, and 7 be pedestal, and 71 be support rim, and 72 be pedestal
Semi-circular recesses, 73 be the round hole on support rim, and 74 be the groove on support rim, and 75 be pedestal two sides sidewall notches,
76 be the limit end face of pedestal, and 8 be small elastic slice, and 9 be the first diameter section of plastic packaging adapter, and 10 be the second straight of plastic packaging adapter
Diameter section, 11 be the third diameter segment of plastic packaging adapter, and 12 be unlocking mechanism.
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 embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Embodiment one
Referring to Fig. 1 to Fig. 8, a kind of optical port electromagnetic shielding knot of plastic packaging adapter device optical module is present embodiments provided
Structure closes the upper cover 1 on pedestal including pedestal 7 and lid, and TOSA5 (laser) is equipped in the pedestal 7 and ROSA6 (is visited
Survey device), it further include baffle 4 and briquetting 3, the pedestal 7 is equipped with the support rim 71 with semi-circular recesses 72, for distinguishing
The first diameter section 9 of the plastic packaging adapter of TOSA, ROSA is supported, the briquetting 3 is located at the top of support rim 71, the briquetting
3 lower end surface and the upper end face contact of support rim 71, the upper surface of the briquetting 3 is contacted with upper cover 1, under the briquetting 3
End is equipped with semi-circular recesses 37, corresponding with the semi-circular recesses 72 on pedestal, formation round hole, and the of the plastic packaging adapter of TOSA
One diameter segment or/and the cooperation of third diameter segment are in the semi-circular recesses 72 of pedestal and the first of the composition of semi-circular recesses 37 of briquetting
In round hole, the first diameter section or/and third diameter segment of the plastic packaging adapter of ROSA cooperate the semi-circular recesses 72 in pedestal
In the second round hole constituted with the semi-circular recesses 37 of briquetting, the upper end of the briquetting is equipped with horizontal extension 36, the gear
Piece 4 is mounted on pedestal 7, is contacted with pedestal 7, and the baffle 4 is located at 36 lower end of horizontal extension of briquetting 3, and baffle 4 is upper
The lower end in contact of horizontal extension 36 at end and briquetting 3, the baffle 4 are equipped with for the plastic packaging adapter with TOSA, ROSA respectively
Second diameter section 10 cooperate matching hole, the plastic packaging adapter of TOSA second diameter section 10 cooperation matches the first of baffle 4
It closes in hole, the second diameter section 10 of the plastic packaging adapter of ROSA cooperates in the second matching hole of baffle 4.The circular hole of baffle and suitable
The cooperation of orchestration minimum diameter, Circularhole diameter caused by effectively reducing because of plastic packaging adapter.The horizontal extension 36 of the briquetting 3
End be supported on pedestal 7.The horizontal extension 36 of the briquetting 3 is equipped with opening, avoids interference unlocking mechanism 12.
Theoretically, the diameter of first diameter section 9 of the plastic packaging adapter of TOSA, ROSA and the semi-circular recesses of pedestal and pressure
The diameter for the round hole that the semi-circular recesses of block are constituted is equal, makes first diameter section and the bottom of the plastic packaging adapter of TOSA, ROSA
Seat, briquetting contact.In actual production process, the round hole of the semi-circular recesses composition of the semi-circular recesses and briquetting of possible pedestal
Diameter ratio TOSA, ROSA plastic packaging adapter first diameter section diameter it is bigger.Theoretically, the plastic packaging of TOSA, ROSA are suitable
The diameter of the second diameter section 10 of orchestration is equal with the diameter of the matching hole of baffle, makes the of the plastic packaging adapter of TOSA, ROSA
Two diameter segments are contacted with baffle.In actual production process, the plastic packaging of diameter ratio TOSA, ROSA of the matching hole of possible baffle are adapted to
The diameter of the second diameter section of device is bigger.
Upper cover is metal plate lid.Baffle is metal plate baffle.The pedestal, upper cover, briquetting, baffle material be conductive gold
Belong to, so that structural member is grounded at optical port, is formed " faraday cup ".
Further, the upper end face contact of the lower end surface of the briquetting and support rim, makes between briquetting and support rim
Form Step Circular hole, the first diameter section and third diameter segment corresponding matching of the plastic packaging adapter of TOSA pedestal and briquetting it
Between Step Circular hole two diameter hole sections in, the first diameter section and third diameter segment of the plastic packaging adapter of ROSA correspondence are matched
In two diameter hole sections for closing the Step Circular hole between pedestal and briquetting.
Further, the first diameter section 9 of the plastic packaging adapter of TOSA, ROSA is greater than its second diameter section 10；TOSA,
The second diameter section 10 of the plastic packaging adapter of ROSA is its minimum diameter section；The second of the plastic packaging adapter of described TOSA, ROSA
Third diameter segment 11 is equipped between diameter segment and first diameter section, the third diameter segment of the plastic packaging adapter of TOSA, ROSA is greater than
First diameter section, second diameter section.
Further, conductive flexible material 2 is installed between the briquetting 3 and upper cover 1, the conduction flexible material 2
Lower end is contacted with briquetting 3, and the upper end of the conduction flexible material 2 is contacted with upper cover 1.
Further, the upper end of the briquetting 3 is equipped with the first groove 31 for installing conductive flexible material, the conduction
Flexible material is mounted in the first groove 31 of briquetting upper end.
Further, the baffle 4 passes through the elastic slice and base contacts being equipped with, and limits and set in support rim 71 with pedestal
Between some limit end faces 76；The centre of the baffle 4 is equipped with opening 44, and the opening 44 is located between two matching holes 43,
Baffle is located at matching hole two sides and is respectively equipped with the first elastic slice 41 and base contacts；The lower end that baffle is located at matching hole is equipped with the second bullet
Piece 42 and base contacts；Bending extends round about respectively for first elastic slice, the second elastic slice.Baffle is located at matching hole two sides
It is respectively equipped with the positive stop end face contact that the first elastic slice and pedestal are equipped with.The lower end that baffle is located at matching hole is equipped with the second elastic slice and bottom
The support rim contact of seat, to eliminate the elongated gap between baffle lower end and pedestal.
The lower end surface of the baffle of second diameter section 10 of the plastic packaging adapter of TOSA, ROSA can with base contacts,
It can not be contacted with pedestal.
Further, the lower end of the briquetting 3 is equipped with the second groove 35 for cooperating with 4 upper end of baffle, the baffle 4
Upper end is protruded into the second groove 35 of 3 lower end of briquetting.
Further, the two sides of the briquetting 3 are respectively equipped with protrusion 32, and the two sides side wall of the pedestal 7 is respectively equipped with recessed
The protrusion 32 of slot 75, the briquetting two sides cooperates in the groove 75 of pedestal two sides side wall.
Further, the bottom of the briquetting is equipped with raised, in the groove that the support rim for protruding into pedestal is equipped with
Cooperate with it.
Further, the briquetting is equipped with vertical portion and the horizontal extension positioned at vertical portion upper end, forms L-type, institute
The vertical portion lower end setting semi-circular recesses of briquetting are stated, the vertical portion lower end of the briquetting is equipped with protrusion, for protruding into pedestal
Cooperate in the groove that support rim is equipped with it.The two sides of the bottom of the briquetting vertical portion are respectively equipped with the first protrusion 33 and bottom
The groove 74 that the two sides of seat supports boss are equipped with cooperates.The second protrusion 34 is equipped among the bottom of the briquetting vertical portion, the bottom of with
The hole cooperation that the support rim of seat is equipped with.Second protrusion is cylindric.Cylinder among the lower end surface of the briquetting vertical portion
Shape protrusion, the round hole 73 being equipped with the support rim of pedestal cooperate.
Baffle cooperates simultaneously with pedestal and briquetting.Second groove 35 of 4 top of baffle and briquetting 3 cooperates, baffle two sides bullet
Piece and pedestal two sides cooperate, and elastic slice and the middle of the base cooperate in the middle part of baffle.
Embodiment two
Referring to Fig. 1 to Fig. 9, a kind of plastic packaging adapter device optical module is present embodiments provided, including pedestal and lid close
Upper cover on pedestal is equipped with PCB main board, TOSA and ROSA in the pedestal, and TOSA and ROSA are electrically connected with PCB main board,
It is characterized by: using above-mentioned optical port electromagnetic armouring structure.
Further, upper cover, pedestal are equipped with the small elastic slice 8 contacted with interchanger cage.
ROSA, TOSA: being adapted to by specific implementation process with baffle respectively, is then put into togerther in pedestal respective slot, so
Briquetting is installed afterwards and is adapted to pedestal, while briquetting can be also adapted to baffle, and soft conduction is then sticked in briquetting upper groove
Material, covers upper cover, and assembly is completed.Fig. 6 is that section shields schematic diagram to optical port after the assembly is completed.Baffle is installed on pedestal and briquetting
Between, baffle can further obviate the elongated gap between briquetting and pedestal, while caused by reducing because of plastic packaging adapter
Circularhole diameter can effectively promote the electromagnetic shielding performance of plastic packaging adapter device optical module optical port.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of optical port electromagnetic armouring structure of plastic packaging adapter device optical module closes upper on pedestal including pedestal and lid
It covers, TOSA and ROSA is installed in the pedestal, it is characterised in that: further include baffle and briquetting, the pedestal, which is equipped with, to be had
The support rim of semi-circular recesses, the first diameter section of the plastic packaging adapter for supporting TOSA, ROSA respectively, the briquetting position
In the top of support rim, the lower end surface of the briquetting and the upper end face contact of support rim, the upper surface of the briquetting with it is upper
Lid contact, the lower end of the briquetting is equipped with semi-circular recesses, corresponding with the semi-circular recesses on pedestal, formation round hole, TOSA,
The semi-circular recesses of semi-circular recesses and briquetting that the first diameter section of the plastic packaging adapter of ROSA is respectively fitting into pedestal are constituted
Two round holes in, the upper end of the briquetting is equipped with horizontal extension, and the baffle is mounted on the base, and base contacts,
The baffle is located at the horizontal extension lower end of briquetting, and end in contact under the upper end of baffle and the horizontal extension of briquetting, described
Baffle is equipped with for the matching hole respectively with the cooperation of the second diameter section of the plastic packaging adapter of TOSA, ROSA, the modeling of TOSA, ROSA
The second diameter section for sealing adapter cooperates in two matching holes of baffle.
2. optical port electromagnetic armouring structure according to claim 1, it is characterised in that: the lower end surface of the briquetting and support are convex
The upper end face contact of platform makes to form Step Circular hole, the first diameter of the plastic packaging adapter of TOSA between briquetting and support rim
In two diameter hole sections in the Step Circular hole of section and third diameter segment corresponding matching between pedestal and briquetting, the plastic packaging of ROSA
Two diameters in Step Circular hole of the first diameter section and third diameter segment corresponding matching of adapter between pedestal and briquetting
In hole section.
3. optical port electromagnetic armouring structure according to claim 1 or 2, it is characterised in that: the plastic packaging adapter of TOSA, ROSA
First diameter section be greater than its second diameter section；The second diameter Duan Weiqi minimum diameter section of the plastic packaging adapter of TOSA, ROSA；
Third diameter segment, TOSA, ROSA are equipped between the second diameter section and first diameter section of the plastic packaging adapter of described TOSA, ROSA
Plastic packaging adapter third diameter segment be greater than first diameter section, second diameter section.
4. optical port electromagnetic armouring structure according to claim 1, it is characterised in that: be installed between the briquetting and upper cover
The lower end of conductive flexible material, the conduction flexible material is contacted with briquetting, and the upper end of the conduction flexible material connects with upper cover
Touching；The upper end of the briquetting is equipped with the first groove for installing conductive flexible material, and the conduction flexible material is mounted on pressure
In first groove of block upper end.
5. optical port electromagnetic armouring structure according to claim 1, it is characterised in that: the baffle pass through the elastic slice that is equipped with
Base contacts；The centre of the baffle is equipped with opening, and the opening is located between two matching holes, and baffle is located at matching hole two sides
It is respectively equipped with the first elastic slice and base contacts；The lower end that baffle is located at matching hole is equipped with the second elastic slice and base contacts；Described
Bending extends round about respectively for one elastic slice, the second elastic slice.
6. optical port electromagnetic armouring structure according to claim 1, it is characterised in that: the lower end of the briquetting be equipped with for
Second groove of baffle upper end cooperation, the baffle upper end is protruded into the second groove of briquetting lower end.
7. optical port electromagnetic armouring structure according to claim 1, it is characterised in that: the two sides of the briquetting are respectively equipped with convex
It rises, the two sides side wall of the pedestal is respectively equipped with groove, the groove of the male cooperations of the briquetting two sides in pedestal two sides side wall
It is interior.
8. optical port electromagnetic armouring structure according to claim 1, it is characterised in that: the bottom of the briquetting is equipped with protrusion,
Cooperate in the groove that support rim for protruding into pedestal is equipped with it.
9. a kind of plastic packaging adapter device optical module closes the upper cover on pedestal, installation in the pedestal including pedestal and lid
Have PCB main board, TOSA and ROSA, TOSA and ROSA are electrically connected with PCB main board, it is characterised in that: use as claim 1 to
8 any optical port electromagnetic armouring structures.
10. plastic packaging adapter device optical module according to claim 9, it is characterised in that: upper cover, pedestal are equipped with and friendship
The small elastic slice of cage of changing planes contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| WO2021134595A1 (en) * | 2019-12-31 | 2021-07-08 | 华为技术有限公司 | Optical port shielding and fixing apparatus, optical module and communication device |
| CN114815083A (en) * | 2021-01-18 | 2022-07-29 | 青岛海信宽带多媒体技术有限公司 | Optical module |
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