CN106936006A - Active optical cable component and its connector - Google Patents
Active optical cable component and its connector Download PDFInfo
- Publication number
- CN106936006A CN106936006A CN201710129168.6A CN201710129168A CN106936006A CN 106936006 A CN106936006 A CN 106936006A CN 201710129168 A CN201710129168 A CN 201710129168A CN 106936006 A CN106936006 A CN 106936006A
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- China
- Prior art keywords
- optical cable
- active optical
- lower casing
- connector
- screw
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The present invention relates to a kind of active optical cable component and its connector.Active optical cable component of the invention includes active optical connector, the shell of the connector includes the upper shell and lower house that docking is fastened, the installing space for installing photoelectric switching circuit board component is formed between upper and lower casing, concave-convex fit structure and upper and lower casing of the electrical connector plug by upper and lower casing clamping and by being set on clamping face keep being relatively fixed, so electrical connector plug is securely fastened onto in upper and lower casing, it is to avoid the electrical connector plug caused using gluing cannot detachable maintaining problem.
Description
Technical field
The present invention relates to a kind of active optical cable component and its connector.
Background technology
Active optical cable component is integrated in the connectors by photoelectric switching circuit, is connect by electricity between the linkage interface of connector
Contact element is realized.Optical fiber linkage interface is enclosed in the connector of active optical cable component the enclosure interior of the tail accessory of connector,
Not only realize Optical Fiber Transmission but also fundamentally prevented the problem of light pollution, significantly improve the reliability of optical-fiber network.
The connector ordinary circumstance of current active optical cable component is the situation in the electric interfaces for not changing existing connector
Under convert, do not influence to be plugged together with the normal of mating connector.The connector of active optical cable component is more to use circle
Connector, circular active optical cable assembly connector has that quick locking, annex space be larger, tensile capacity strong, waterproof ability
Strong the advantages of, it is particularly well-suited to the larger adverse circumstances of the installing spaces such as field folding and unfolding, laying；Its larger annex space can
Contain multilayer board, so as to complete relative complex signal transacting.But the connector of circular active optical cable component is due to lock
Tight mechanism（Bayonet type）The shortcomings of more long with circular attachment, cannot be used under the strict environment of limited space, weight demands.
There is a kind of connector of rectangular cross-section in market, and for example notification number is the B of CN 103323922, and the day for announcing is
2016.03.02 a kind of active optical cable disclosed in Chinese patent, the connector of the active optical cable includes shell and is arranged at outer
Electrical connector plug in shell, circuit board assemblies and optical connector for opto-electronic conversion, the profile of the shell of this connector
Be rectangle, including upper and lower two housings, form the installing space for mounting circuit boards between upper and lower casing, connector it is outer
Shell is rectangle, and the space compared with circular connector in circumference is smaller.The front end face of the upper and lower casing of shell is provided with two
Groove, when upper and lower casing is docked, two groove fits are positioned to electrical connector plug, and the fixed use of electrical connector plug
Gluing mode, although the electrical connector plug of this connector can be securely fixed in upper and lower casing, cannot be carried out
Detachable maintaining, causes the problem of connector inconvenient maintenance.
The content of the invention
Reliable and easy to maintenance active optical cable connection is fixed it is an object of the invention to provide a kind of electrical connector plug
Device；Meanwhile, the present invention also provides the active optical cable component of above-mentioned active optical cable connector.
To achieve the above object, active optical cable connector of the invention is adopted the following technical scheme that：
Technical scheme 1：Active optical cable connector, including front end is the electrical connector plug and connector shell of inserted terminal, institute
Stating connector shell includes being formed for installing photoelectric switching circuit between upper shell and lower house that docking is fastened, upper and lower casing
The installing space of board component, the electrical connector plug is clamped and concavo-convex by what is set on clamping engagement face by upper and lower casing
Fit structure keeps being relatively fixed with upper and lower casing.
Technical scheme 2, on the basis of technical scheme 1：The concave-convex fit structure include be arranged on connector shell and
Groove in electrical connector plug on one and the convex key on another.
Technical scheme 3, on the basis of technical scheme 2：The rectangular cross-section of the electrical connector plug, it is described upper and lower
Housing includes base plate and left and right riser, and the front end of base plate is provided with extension, the concave-convex fit structure positioned at upper and lower casing
On be partially on the extension, and the left and right riser of upper and lower casing front end face with the rear end of electrical connector plug
Face offsets.
Technical scheme 4, on the basis of technical scheme 2 or 3：The upper and lower casing is fixed by screw, is set on upper shell
There is the screw hole with screw fit, lower house is provided with the screw mounting hole for being passed through for screw, and the groove is with convex key
Interference fits and fit clearance between the two are less than the radial clearance between the screw and screw mounting hole.
Technical scheme 5, on the basis of technical scheme 3：The printed board of the photoelectric switching circuit board component is by installing
It is welded and fixed in the contact pin of lower house.
Technical scheme 6, on the basis of technical scheme 5：The contact pin is thin ends and thick middle multi-diameter shaft shape contact pin, is inserted
The upper surface block of thicker part is on the downside of the printed board of photoelectric switching circuit board component in the middle of pin, in the middle of contact pin compared with
The lower surface block of thick part is on the upper surface of the left and right riser of lower house.
Technical scheme 7, on the basis of technical scheme 5 or 6：The contact pin is arranged on the left and right riser of lower house.
Technical scheme 8, on the basis of technical scheme 1 or 2 or 3：The rear end of the contact of the electrical connector plug to
On be bent to form for photoelectric switching circuit board component soldering of printed boards fix weld part.
Active optical cable component of the invention is adopted the following technical scheme that：
Technical scheme 1：Active optical cable component, including optical cable and optical cable two ends active optical cable connector, active optical cable connection
Device includes that front end is the electrical connector plug and connector shell of inserted terminal, and it is upper that the connector shell includes that docking is fastened
The installing space for installing photoelectric switching circuit board component, the electric connector are formed between housing and lower house, upper and lower casing
Plug is clamped and relative solid with upper and lower casing holding by the concave-convex fit structure set on clamping engagement face by upper and lower casing
It is fixed.
Technical scheme 2, on the basis of technical scheme 1：The concave-convex fit structure include be arranged on connector shell and
Groove in electrical connector plug on one and the convex key on another.
Technical scheme 3, on the basis of technical scheme 2：The rectangular cross-section of the electrical connector plug, it is described upper and lower
Housing includes base plate and left and right riser, and the front end of base plate is provided with extension, the concave-convex fit structure positioned at upper and lower casing
On be partially on the extension, and the left and right riser of upper and lower casing front end face with the rear end of electrical connector plug
Face offsets.
Technical scheme 4, on the basis of technical scheme 2 or 3：The upper and lower casing is fixed by screw, is set on upper shell
There is the screw hole with screw fit, lower house is provided with the screw mounting hole for being passed through for screw, and the groove is with convex key
Interference fits and fit clearance between the two are less than the radial clearance between the screw and screw mounting hole.
Technical scheme 5, on the basis of technical scheme 3：The printed board of the photoelectric switching circuit board component is by installing
It is welded and fixed in the contact pin of lower house.
Technical scheme 6, on the basis of technical scheme 5：The contact pin is thin ends and thick middle multi-diameter shaft shape contact pin, is inserted
The upper surface block of thicker part is on the downside of the printed board of photoelectric switching circuit board component in the middle of pin, in the middle of contact pin compared with
The lower surface block of thick part is on the upper surface of the left and right riser of lower house.
Technical scheme 7, on the basis of technical scheme 5 or 6：The contact pin is arranged on the left and right riser of lower house.
Technical scheme 8, on the basis of technical scheme 1 or 2 or 3：The rear end of the contact of the electrical connector plug to
On be bent to form for photoelectric switching circuit board component soldering of printed boards fix weld part.
The beneficial effects of the invention are as follows：Active optical cable component of the invention includes active optical connector, the connector
Shell includes being formed for installing photoelectric switching circuit board component between the upper shell and lower house that docking is fastened, upper and lower casing
Installing space, electrical connector plug is clamped and by the concave-convex fit structure and upper and lower shell of setting on clamping face by upper and lower casing
Body is kept being relatively fixed, and such electrical connector plug is securely fastened onto in upper and lower casing, it is to avoid caused using gluing
Electrical connector plug cannot detachable maintaining problem；
Further, the concave-convex fit structure includes being arranged on groove in housing and electrical connector plug on one and another
Convex key on individual, such setting structure is simple；
Further, the rectangular cross-section of electrical connector plug, so reduces active optical cable connector overall volume, described
Upper and lower casing includes base plate and left and right riser, and the front end of base plate is provided with extension, the concave-convex fit structure positioned at upper and lower
Being partially on the extension on housing, and front end face and the electrical connector plug of the left and right riser of upper-lower casing rear end
Face offsets, this avoid original locking member on the riser interference electrical connector plug on upper and lower casing；
Further, the upper and lower casing is fixed by screw, and the groove and convex key are interference fits and matching somebody with somebody between the two
Gap is closed less than the gap between the screw mounting hole on the screw and upper and lower casing, when in such vibration environment, electrical connection
Device plug and it is upper and lower between concave-convex fit structure elder generation stress, screw do not stress, it is to avoid screw stress loosens；
Further, the printed board of the photoelectric switching circuit board component is welded and fixed by the contact pin installed in lower house, this
Sample sets the size for being easy to reduce printing board fixing structure.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of active optical cable component of the invention；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the decomposing schematic representation of the active optical cable connector in Fig. 1；
Fig. 4 is the decomposing schematic representation of upper and lower casing and plug in Fig. 3；
Fig. 5 is the structural representation that the lower house in the active optical cable connector in Fig. 1 coordinates with printed board；
Fig. 6 is the stereogram of Fig. 5（Partial cross）；
Fig. 7 is the schematic diagram that the adapter sleeve in Fig. 5 coordinates with optical cable；
In accompanying drawing：1st, optical cable；11st, band is fine；2nd, connector shell；21st, upper shell；22nd, lower house；221st, riser；222nd, extend
Portion；223rd, convex key；224th, mounting groove；225th, screw mounting hole；226th, contact pin mounting hole；227th, screw hole；3rd, plug；31st, even
Socket part；32nd, groove；33rd, lock-screw；4th, adapter sleeve；41st, engaging lug；42nd, fixing hole；43rd, heat-shrink tube；44th, encapsulating chamber；45、
Extension；5th, printed board；51st, printed board fixing hole；52nd, contact pin.
Specific embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The specific embodiment of active optical cable component of the invention, as shown in Figures 1 to 7, active optical cable component includes optical cable 1
And two active optical cable connectors at the two ends for being connected to optical cable 1, active optical cable connector include rectangle, front end be
The plug 3 of inserted terminal and the connector shell 2 being connected on active optical cable front/rear end, connector shell 2 include that docking is detained
The upper shell 21 and lower house 22 of conjunction, upper shell 21 and the docking of lower house 22 are formed for installing printed board between the two after fastening
5 installing space.Plug 3 is electrical connector plug, and plug 3 is converted by HJ30J standard plugs in the present embodiment, plug
It is made up of with the locking member between the electric connector being adapted to the lock-screw 33 carried on former plug on 3, lock-screw 33 has
Two and respectively positioned at the both sides of plug 3, connecting portion 31 that the rear end of plug 3 is provided with rectangular cross-section, extending back, connection
Groove 32 is arranged with the upper and lower side in portion 31, groove 32 has certain development length in the lateral direction, so that
It is firm that convex key 223 on upper and lower casing is fastened when being fastened and connected therewith, the contact rear end of plug 3 be folded upward at being formed for
The weld part being welded and fixed with printed board 5.
Upper shell 21 and lower house 22 are that the section that constitutes of riser of the left and right sides by flat board and flat board is the shell of U-shaped
Body structure.The front end of lower house 22 is provided with extension 222 of overhang forward, the front end phase front beyond the front end of riser 221, extends
The profile in portion 222 is identical with the shape of the downside of the connecting portion 31 of plug 3, the width of the front end both sides of lower house vertical plates on both sides
Width with the left and right sides of connecting portion 31 is identical, lower house be connected with plug after both sides riser side and connecting portion side
Face is concordant, just slot milling, it is to avoid the afterbody with lock-screw 33 is interfered.Profile is provided with the medial surface of extension 222
With the convex key 223 of the shape identical of groove 32, when lower house 21 is connected with plug 3, convex key 223 is just completely into groove 32
In, now extension 222 is brought into close contact with the downside of connecting portion 31, and the front end face of the riser 221 of lower house both sides with
The rear end face block of connecting portion 31 coordinates, and convex key 223 uses interference fits with groove 32, and quality of fit is far longer than pan head screw
With the fit clearance between the quality of fit of upper-lower casing, i.e. groove and convex key less than the radial direction between screw and screw mounting hole
Gap, so makes screw only for fastening upper-lower casing, the convex key groove stress in connector under tension, it is to avoid bolt strained
Loosen.The screw mounting hole that is passed through for pan head screw A is being provided with the position of front end on the riser 221 of the both sides of lower house 21
225, the screwed hole 227 screwed in for pan head screw A is provided with the position of the riser correspondence screw mounting hole 225 of upper shell, above,
Lower house is connected after fastening by pan head screw A and pan head screw B.Also have and the extension on lower house 22 on upper shell 21
222nd, convex key 223 and the symmetrical structure of riser 221.When the extension of upper-lower casing front end is fitted tightly over the upper and lower of connecting portion
On side, the convex key on the medial surface of the extension on upper and lower casing is snapped into the groove of connecting portion, while upper and lower shell
The front end face of the riser of the both sides on body coordinates with the trailing flank block of connecting portion, connector shell is fixedly secured with plug
Together, when connector is vibrated, the fastening structure of convex key groove fit is first born along the vibration force on cable direction, fastening
Two pan head screws of upper-lower casing will not be stressed directly, and so avoid vibration and cause pan head screw to loosen so that connection
The problem that device housing loosens.
The rear end of connector shell 2 is provided with the adapter sleeve 4 for connecting connector shell 2 and optical cable 1, and adapter sleeve 4 has
Pre-large post-small encapsulating chamber 44, encapsulating chamber 44 is taper in the present embodiment, and the rear end of adapter sleeve 4 is provided with extend back, use
In the extension 45 being sleeved on optical cable 1, extension 45 is set with pyrocondensation after being set in together with optical cable 1 in both junctions
Pipe 43, lifts the sealing property at this.The front end of adapter sleeve 4 is provided with two to two engaging lugs 41 for overhanging, on engaging lug 41
It is provided with the fixing hole 42 passed through for pan head screw B.The rear end of upper and lower casing is equipped with shape and pacifies with the profile identical of engaging lug
Tankage 224, after upper-lower casing docking is snapped together, be fixedly clamped the engaging lug of adapter sleeve in both installations by upper-lower casing
In groove.
When optical cable is connected with connector, circular optical cable point is first first turned into band fine 11, making MT after fine 11 treatment of band connects
Head, then fills DG-3S epoxy glues in the encapsulating chamber of adapter sleeve and the aramid fiber of optical cable and adapter sleeve bonds together.So,
In optical cable under tension, pulling force passes to the encapsulating body in adapter sleeve by the aramid fiber of optical cable, finally acts on adapter sleeve,
Because adapter sleeve is taper, encapsulating body will not be moved rearwards by, the band fibre so at this would not under tension, it also avoid and band
The part under tensions such as the MT plugs of fibre connection.
Position on the riser 221 of the both sides of lower house 22 on the front side of screw mounting hole 225 and riser 221 near rear end
The contact pin mounting hole 226 being provided with for installing contact pin 52 is put, contact pin mounting hole 226 is screwed hole.Contact pin 52 is middle thick two
The thin multi-diameter shaft shape contact pin in end, the upper end of contact pin 52 is for diameter is thinner, printed board fixing hole for being inserted into printed board
Welding portion in 51, lower end is the upper end of middle thicker part for the threaded portion in contact pin mounting hole 226
On the downside of the printed board of photoelectric switching circuit board component, the lower surface block of thicker part exists face block in the middle of contact pin
On the upper surface of the left and right riser of lower house, contact pin 52 is provided with four, and printed board 5 is supported on lower house.On upper shell
The position of correspondence printed board is provided with the groove with the external shape fits of printed board, and upper shell is made to avoid upper-lower casing from docking fastening
Interfered with printed board.The installation of printed board follows the principle first fixed and weld afterwards, to avoid the solder joint in printed board in peace
Extra stress is subject to during dress.Printed board fixed printed board by the way of contact pin welding in the present embodiment, with existing skill
Reduced compared to the space required for can making installation by the way of bolt fixation in art, be conducive to reducing fixed printed board
Fixture take printed board space, so also can just reduce taking up room for printed board, minimized beneficial to by connector.
When being fixed to printed board using above-mentioned contact pin, contact pin need to be fixed on lower house or be made of one knot with lower house
Structure.It is when being made of one structure, whole lower house is tin plating or gold-plated, to ensure tining during welding.And will be inserted in the present embodiment
Pin makes Split type structure with lower house, and contact pin uses beryllium-bronze, it is ensured that good mechanical strength, and list processing can be protected for gold-plated
Tining well is demonstrate,proved, thus is avoided that lower house is integrally gold-plated, reduces cost.
In other embodiments of the invention, the upper and lower casing of active optical cable connection can also be by claw groove fit
Structure is fixed together；Groove can also be arranged on upper and lower casing, and convex key is arranged on connecting portion；Upper and lower casing
The front end of riser can also extend and be fitted in the left and right sides of connecting portion, now the lock-screw position on plug is to two
Side adjustment with avoid and riser interfere；The screw of upper-lower casing can also be arranged on the position in the middle part of connector shell, now
The mounting hole passed through for screw is reserved in printed board.
The embodiment of active optical cable connector of the invention, the active optical cable connector and above-mentioned active optical cable component
The structure of the active optical cable connector in embodiment is identical, repeats no more.
Claims (9)
1. active optical cable connector, including front end is the electrical connector plug and connector shell of inserted terminal, the connector
Housing includes being formed for installing photoelectric switching circuit board component between the upper shell and lower house that docking is fastened, upper and lower casing
Installing space, it is characterised in that：The electrical connector plug is clamped and recessed by what is set on clamping engagement face by upper and lower casing
Convex fit structure keeps being relatively fixed with upper and lower casing.
2. active optical cable connector according to claim 1, it is characterised in that：The concave-convex fit structure includes being arranged on
Groove in connector shell and electrical connector plug on one and the convex key on another.
3. active optical cable connector according to claim 2, it is characterised in that：The section of the electrical connector plug is square
Shape, the upper and lower casing includes base plate and left and right riser, and the front end of base plate is provided with extension, the concave-convex fit structure
Being partially on the extension on upper and lower casing, and the left and right riser of upper and lower casing front end face with electrically connect
The rear end face of device plug offsets.
4. the active optical cable connector according to Claims 2 or 3, it is characterised in that：The upper and lower casing is solid by screw
Fixed, upper shell is provided with the screw hole with screw fit, and lower house is provided with the screw mounting hole for being passed through for screw, described
Groove and convex key are that interference fits and fit clearance between the two are less than between the radial direction between the screw and screw mounting hole
Gap.
5. active optical cable connector according to claim 3, it is characterised in that：The print of the photoelectric switching circuit board component
Making sheet is welded and fixed by the contact pin installed in lower house.
6. active optical cable connector according to claim 5, it is characterised in that：The contact pin is thin ends and thick middle rank
Terraced axle shape contact pin, the upper surface block of thicker part is in the downside of the printed board of photoelectric switching circuit board component in the middle of contact pin
On, the lower surface block of thicker part is on the upper surface of the left and right riser of lower house in the middle of contact pin.
7. the active optical cable connector according to claim 5 or 6, it is characterised in that：The contact pin is arranged on lower house
On left and right riser.
8. the active optical cable connector according to claim 1 ~ 3 any one, it is characterised in that：The electrical connector plug
The rear end of contact be folded upward at being formed the weld part fixed for the soldering of printed boards with photoelectric switching circuit board component.
9. active optical cable component, including optical cable and the active optical cable connector at optical cable two ends, the active light source connector is such as
Active optical cable connector described in claim 1 ~ 8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710129168.6A CN106936006A (en) | 2017-03-06 | 2017-03-06 | Active optical cable component and its connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710129168.6A CN106936006A (en) | 2017-03-06 | 2017-03-06 | Active optical cable component and its connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106936006A true CN106936006A (en) | 2017-07-07 |
Family
ID=59423987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710129168.6A Pending CN106936006A (en) | 2017-03-06 | 2017-03-06 | Active optical cable component and its connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106936006A (en) |
Cited By (4)
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| CN108879265A (en) * | 2018-06-28 | 2018-11-23 | 中国工程物理研究院电子工程研究所 | A kind of removable cable of electric connector and installation method |
| CN109298488A (en) * | 2018-10-30 | 2019-02-01 | 菲尼萨光电通讯(上海)有限公司 | The micro photo electric R-T unit of detachable light electrical transmission unit |
| CN110165466A (en) * | 2019-05-08 | 2019-08-23 | 沈阳兴华航空电器有限责任公司 | A kind of cabinet-type high-speed-differential connector |
| CN113193418A (en) * | 2021-04-29 | 2021-07-30 | 中航光电科技股份有限公司 | Sealing body, connector plug and connector assembly |
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| CN110165466A (en) * | 2019-05-08 | 2019-08-23 | 沈阳兴华航空电器有限责任公司 | A kind of cabinet-type high-speed-differential connector |
| CN113193418A (en) * | 2021-04-29 | 2021-07-30 | 中航光电科技股份有限公司 | Sealing body, connector plug and connector assembly |
| CN113193418B (en) * | 2021-04-29 | 2022-05-13 | 中航光电科技股份有限公司 | Sealing body, connector plug and connector assembly |
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