CN113281851A - High-density module box type full-optical LRM connector - Google Patents
High-density module box type full-optical LRM connector Download PDFInfo
- Publication number
- CN113281851A CN113281851A CN202110546933.0A CN202110546933A CN113281851A CN 113281851 A CN113281851 A CN 113281851A CN 202110546933 A CN202110546933 A CN 202110546933A CN 113281851 A CN113281851 A CN 113281851A
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- Prior art keywords
- lrm
- optical
- plug
- socket
- connector
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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
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising 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
- G02B6/36—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
- G02B6/3826—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres characterised by form or shape
-
- 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
- G02B6/3869—Mounting ferrules to connector body, i.e. 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
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/389—Dismountable connectors, i.e. comprising plugs characterised by the method of fastening connecting plugs and sockets, e.g. screw- or nut-lock, snap-in, bayonet type
-
- 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
- G02B6/3897—Connectors fixed to housings, casing, frames or circuit boards
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention relates to a high-density module box type all-optical LRM connector, which comprises an LRM connector plug and an LRM connector socket, wherein the LRM plug and the LRM socket are respectively composed of A, B cavities; A. the two cavities B respectively contain 2 MPO light units and 4 single light units; the LRM plug comprises a plug shell, a right extractor, a left extractor, a locking strip, a female MPO optical unit module, a single optical unit module, a guide identification pin and an anti-misplug identification pin; the LRM socket comprises a socket shell, a male MPO optical unit module, a single optical unit module and a misplug-proof identification pin, wherein guide identification holes are formed in two sides of the socket shell. The high-density module box type all-optical LRM connector adopts four-stage guiding, long-service-life technology and module box structure technology, realizes high-precision coupling of optical units, ensures low insertion loss of the connector in a blind insertion state, has a detachable floating function, does not need professional tools for installation and detachment, can be manually operated, and has high reliability and long service life.
Description
Technical Field
The invention relates to a signal connector, in particular to a high-density module box type all-optical LRM connector.
Background
Currently, most of the existing LRM connectors are electrical connectors, and no all-optical LRM connector exists. Most of the conventional all-optical fiber connectors are J599 series, and the optical units used in the conventional all-optical fiber connectors can be MT core-plugging type or single-core pawl type.
The matching mode of the existing LRM connector plug and socket belongs to a split type, the connector plug is required to be installed on a split type module box, the connector socket is installed on a back plate of a case, the locking device of the module box is fixed with a clamping groove in the case, and the final assembly of the LRM connector is completed.
With the increasing amount of information data to be processed, the traditional electrical signal transmission can not meet the high-speed transmission requirement of large-capacity data, the optical fiber transmission has the advantages of wide transmission frequency band, large communication capacity, low signal loss, good anti-interference performance, light weight and the like, the use requirement can be well met, an all-optical LRM connector is not available at present, and the large number of cores is more favorable for large-capacity data transmission.
The existing LRM connector has the following disadvantages in the structure and practical application process:
1. the single light unit is locked by the clamping jaw, so that the service life is short;
2. the MT insertion core is used as an optical unit and is exposed outside, so that the optical fiber is not protected during installation and disassembly;
3. after the split module box is introduced, the types and the weight of parts are increased, and the installation and the maintenance are not facilitated;
4. the LRM connector plug needs to be installed on the split module box first, so that installation errors between the split module box and the connector are introduced, and insertion loss is increased.
Disclosure of Invention
In view of the above-mentioned deficiencies in the prior art, the present invention provides a high-density modular box-type all-optical LRM connector that realizes high-precision coupling of optical units, ensures low insertion loss of the connector in a blind-mate state, and has a long service life.
The technical scheme adopted by the invention is as follows:
a high-density modular box-type all-optical LRM connector,
including an LRM connector plug and an LRM connector receptacle,
the LRM plug and the LRM socket are both composed of A, B cavities;
A. the two cavities B respectively contain 2 MPO light units and 4 single light units;
the LRM plug comprises a plug shell, a right extractor, a left extractor, a locking strip, a female MPO optical unit module, a single optical unit module, a guide identification pin and an anti-misplug identification pin;
the LRM socket comprises a socket shell, a male MPO optical unit module, a single optical unit module and a misplug-proof identification pin, wherein guide identification holes are formed in two sides of the socket shell.
The right side extractor, the left side extractor and the locking strip are fixed on the plug shell through screws.
The plug shell comprises a cover plate, a pressing block and a module box machining main body, wherein a single optical unit module installation cavity and a female MPO optical unit module installation cavity are formed in the module box machining main body.
The socket shell is of an integrated structure, and a single light unit module installation cavity and a male MPO light unit module installation cavity are arranged on the socket shell.
The female MPO optical unit module in the plug comprises a seat core, a folding baffle and an MPO optical unit;
the single light unit module in the plug comprises a single-core elastic baffle, a single light unit, a front baffle, a ceramic sleeve and a single-cavity seat core.
The male MPO optical unit module in the socket comprises a seat core, a step gear and an MPO optical unit.
The single light unit module in the socket comprises a single-core spring stop, and the single light unit spring stop is fixed on the socket shell body through a screw.
The high-density module box type all-optical LRM connector adopts four-stage guiding, long-service-life technology and module box structure technology, realizes high-precision coupling of optical units, and ensures low insertion loss and long service life of the connector in a blind insertion state.
According to the high-density module box type all-optical LRM connector, the cavity A and the cavity B respectively comprise 2 multi-core optical units and 4 single optical units, the multi-core optical units adopt integral MPO as optical units instead of MT (fiber management protocol) ferrules as optical units, optical fibers can be effectively protected, the single optical units adopt ceramic ferrules, and the ceramic ferrules and the MPO optical units have floating and detachable functions; and the split module box and the LRM connector plug are integrated, so that the on-site maintenance, installation and debugging are facilitated, the installation error between the split module box and the LRM connector plug is eliminated, the plug-in precision of the plug-in socket of the LRM connector is improved, and the indexes such as insertion loss and the like are reduced.
Compared with the prior art, the invention has the beneficial effects that:
the high-density module box type all-optical LRM connector adopts four-stage guiding, long-service-life technology and module box structure technology, realizes high-precision coupling of optical units, and ensures low insertion loss and long service life of the connector in a blind insertion state.
According to the high-density module box type all-optical LRM connector, the cavity A and the cavity B respectively comprise 2 multi-core optical units and 4 single optical units, the multi-core optical units adopt integral MPO as optical units instead of MT (fiber management protocol) ferrules as optical units, optical fibers can be effectively protected, the single optical units adopt ceramic ferrules, and the ceramic ferrules and the MPO optical units have floating and detachable functions; and the split module box and the LRM connector plug are integrated, so that the on-site maintenance, installation and debugging are facilitated, the installation error between the split module box and the LRM connector plug is eliminated, the plug-in precision of the plug-in socket of the LRM connector is improved, and the indexes such as insertion loss and the like are reduced.
Drawings
Fig. 1 is a schematic perspective view of a plug of a high-density modular box-style all-optical LRM connector;
fig. 2 is a perspective view of a receptacle for a high-density modular box-style all-optical LRM connector;
fig. 3 is an exploded perspective view of a plug of a high-density modular box-style all-optical LRM connector;
fig. 4 is a perspective view of a receptacle housing of a high-density modular box-style all-optical LRM connector;
FIG. 5 is a schematic diagram of a female MPO optical cell module configuration for a plug of a high-density modular box all-optical LRM connector;
FIG. 6 is a schematic diagram of a single optical unit module configuration for a plug of a high density modular box all-optical LRM connector;
FIG. 7 is a schematic diagram of a male MPO optical cell module configuration for a receptacle of a high-density modular cassette all-optical LRM connector;
fig. 8 is a block diagram of a single light unit module configuration for a receptacle for a high density modular box all-optical LRM connector.
Detailed Description
The invention is described in detail below with reference to the figures and examples:
as can be seen in fig. 1-8, a high-density modular box-style all-optical LRM connector,
including an LRM connector plug and an LRM connector receptacle,
the LRM plug and the LRM socket are both composed of A, B cavities;
A. the two cavities B respectively contain 2 MPO light units and 4 single light units;
the LRM plug comprises a plug shell 1, a right extractor 2, a left extractor 3, a locking strip 4, a female MPO optical unit module 5, a single optical unit module 6, a guiding identification pin 7 and an anti-misplug identification pin 8;
the LRM socket comprises a socket shell 9, a male MPO optical unit module 10, a single optical unit module 11 and a misplug-proof identification pin 12, wherein guide identification holes are formed in two sides of the socket shell.
The right side extractor, the left side extractor and the locking strip are fixed on the plug shell through screws.
The plug shell 1 comprises a cover plate 1.1, a pressing block 1.2 and a module box machining main body 1.3, wherein a single light unit module installation cavity 1.4 and a female MPO light unit module installation cavity 1.5 are arranged on the module box machining main body.
The socket shell 9 is of an integrated structure, and a single light unit module installation cavity 9.1 and a male MPO light unit module installation cavity 9.2 are arranged on the socket shell.
The female MPO optical unit module 5 in the plug comprises a seat core 5.1, a folding block 5.2 and an MPO optical unit 5.3;
the single light unit module 6 in the plug comprises a single-core elastic bumper 6.1, a single light unit 6.2, a front bumper 6.3, a ceramic sleeve 6.4 and a single-cavity seat core 6.5.
The male MPO optical unit module 10 in the socket comprises a socket core 10.1, a step block 10.2 and an MPO optical unit 10.3.
The single light unit module 11 in the socket comprises a single-core elastic rail 11.1 and a single light unit 11.2, and the elastic rail is fixed on the socket shell body through screws.
The high-density module box type all-optical LRM connector adopts four-stage guiding, long-service-life technology and module box structure technology, realizes high-precision coupling of optical units, and ensures low insertion loss and long service life of the connector in a blind insertion state.
According to the high-density module box type all-optical LRM connector, the cavity A and the cavity B respectively comprise 2 multi-core optical units and 4 single optical units, the multi-core optical units adopt integral MPO as optical units instead of MT (fiber management protocol) ferrules as optical units, optical fibers can be effectively protected, the single optical units adopt ceramic ferrules, and the ceramic ferrules and the MPO optical units have floating and detachable functions; and the split module box and the LRM connector plug are integrated, so that the on-site maintenance, installation and debugging are facilitated, the installation error between the split module box and the LRM connector plug is eliminated, the plug-in precision of the plug-in socket of the LRM connector is improved, and the indexes such as insertion loss and the like are reduced.
The invention relates to a high-density module box type all-optical LRM connector, which adopts a low insertion loss technology and four-stage guiding:
a first stage: the accessory guide is a guide for the guide pins of the LRM plug when inserted into the LRM jack housing.
And a second stage: the shell guide means that when the guide pins on the LRM plug are inserted into the LRM socket shell for a certain distance, the plug shell starts to be guided into the socket shell.
And a third stage: MPO guiding means that when the LRM plug housing is guided into the LRM socket housing for a certain distance, the MPO guide pins start to be guided into the jacks.
Fourth stage: the guiding of the contacts means that the MPO contact and the single light contact are brought into guiding contact.
The invention relates to a high-density module box type all-optical LRM connector, which adopts a module box structure technology:
the split module box and the LRM connector plug are integrated, the integrated improved design is adopted, the butt joint influence caused by installation errors is reduced, the matching precision is improved, and the indexes such as insertion loss are reduced.
The invention relates to a high-density module box type full-optical LRM connector, which adopts a long-life technology:
by adopting the floating ceramic ferrule structure, a certain gap is reserved between a parallel light path (comprising a C-shaped sleeve and two ceramic ferrules) and a light path supporting structure, and the ceramic ferrules are connected with the light path supporting structure through floating springs, so that the floating ceramic ferrules can float in a certain range and have long service life.
The invention relates to a high-density module box type all-optical LRM connector, which is provided with an implementation method and a structure of the high-density module box type LRM connector. A method and structure for realizing a single optical unit and an MPO optical unit with detachable and floating connection functions.
The high-density module box type all-optical LRM connector reduces the types and the weight of parts, and is beneficial to installation and maintenance; the single optical unit is a ceramic ferrule optical unit, has a detachable floating function, does not need a professional tool for installation and detachment, can be manually operated, and has high reliability and long service life; the integral MPO is used as the optical unit, the optical fiber is sealed inside the shell by the integral MPO optical unit instead of being exposed outside, the optical fiber can be effectively protected, the optical fiber has a detachable function, the environmental adaptability such as vibration resistance, impact resistance and the like is stronger than that of an MT optical unit, and the optical fiber is favorably protected during installation and detachment; simultaneously, 200 paths of optical transmission are carried out, and the data transmission capacity is increased; the installation error between the split module box and the LRM connector plug is eliminated, the plug-in precision of the LRM connector socket is improved, and the plug loss can be effectively reduced.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the structure of the present invention in any way. Any simple modification, equivalent change and modification of the above embodiments according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (7)
1. A high-density modular box-type all-optical LRM connector is characterized in that,
including an LRM connector plug and an LRM connector receptacle,
the LRM plug and the LRM socket are both composed of A, B cavities;
A. the two cavities B respectively contain 2 MPO light units and 4 single light units;
the LRM plug comprises a plug shell (1), a right-side extractor (2), a left-side extractor (3), a locking strip (4), a female MPO optical unit module (5), a single optical unit module (6), a guiding identification pin (7) and an anti-misplug identification pin (8);
the LRM socket comprises a socket shell (9), a male MPO optical unit module (10), a single optical unit module (11) and a misplug-proof identification pin (12), wherein guide identification holes are formed in two sides of the socket shell.
2. The high-density modular cassette all-optical LRM connector of claim 1, wherein: the right side extractor, the left side extractor and the locking strip are fixed on the plug shell through screws.
3. The high-density modular cassette all-optical LRM connector of claim 1, wherein: the plug shell (1) comprises a cover plate (1.1), a pressing block (1.2) and a module box machining main body (1.3), wherein a single optical unit module installation cavity (1.4) and a female MPO optical unit module installation cavity (1.5) are arranged on the module box machining main body.
4. The high-density modular cassette all-optical LRM connector of claim 1, wherein: the socket shell (9) is of an integrated structure, and a single light unit module mounting cavity (9.1) and a male MPO light unit module mounting cavity (9.2) are arranged on the socket shell.
5. The high-density modular cassette all-optical LRM connector of claim 1, wherein: the female MPO optical unit module (5) in the plug comprises a seat core (5.1), a folding baffle (5.2) and an MPO optical unit (5.3);
the single light unit module (6) in the plug comprises a single-core elastic stop (6.1), a single light unit (6.2), a front stop (6.3), a ceramic sleeve (6.4) and a single-cavity seat core (6.5).
6. The high-density modular cassette all-optical LRM connector of claim 1, wherein: a male MPO optical unit module (10) in the socket comprises a socket core (10.1), a step block (10.2) and MPO optical units (10.3).
7. The high-density modular cassette all-optical LRM connector of claim 1, wherein: the single light unit module (11) in the socket comprises a single light unit spring (11.1) and a single light unit (11.2), and the spring is fixed on the socket shell body through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110546933.0A CN113281851A (en) | 2021-05-19 | 2021-05-19 | High-density module box type full-optical LRM connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110546933.0A CN113281851A (en) | 2021-05-19 | 2021-05-19 | High-density module box type full-optical LRM connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113281851A true CN113281851A (en) | 2021-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110546933.0A Pending CN113281851A (en) | 2021-05-19 | 2021-05-19 | High-density module box type full-optical LRM connector |
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| CN (1) | CN113281851A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010015888A1 (en) * | 1998-11-24 | 2001-08-23 | Barton G. Shaler | Sub-modular configurable avionics |
| CN103887644A (en) * | 2014-03-20 | 2014-06-25 | 常州市新盛电器有限公司 | Multifunctional hybrid connector |
| CN104516061A (en) * | 2014-11-28 | 2015-04-15 | 中航光电科技股份有限公司 | Optical fiber plug module and integrated plug using same |
| CN204855871U (en) * | 2015-07-07 | 2015-12-09 | 中国电子科技集团公司第八研究所 | Can repeated dismantlement formula fiber connector |
| CN105137547A (en) * | 2015-09-02 | 2015-12-09 | 中航光电科技股份有限公司 | Fiber connector and fiber connector assembly |
| CN110492306A (en) * | 2019-09-10 | 2019-11-22 | 四川华丰企业集团有限公司 | A kind of registered jack and its insertion method |
| CN112202020A (en) * | 2020-07-06 | 2021-01-08 | 中航光电科技股份有限公司 | Ultrahigh-speed high-density high-reliability integrated photoelectric radio frequency connector |
-
2021
- 2021-05-19 CN CN202110546933.0A patent/CN113281851A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010015888A1 (en) * | 1998-11-24 | 2001-08-23 | Barton G. Shaler | Sub-modular configurable avionics |
| CN103887644A (en) * | 2014-03-20 | 2014-06-25 | 常州市新盛电器有限公司 | Multifunctional hybrid connector |
| CN104516061A (en) * | 2014-11-28 | 2015-04-15 | 中航光电科技股份有限公司 | Optical fiber plug module and integrated plug using same |
| CN204855871U (en) * | 2015-07-07 | 2015-12-09 | 中国电子科技集团公司第八研究所 | Can repeated dismantlement formula fiber connector |
| CN105137547A (en) * | 2015-09-02 | 2015-12-09 | 中航光电科技股份有限公司 | Fiber connector and fiber connector assembly |
| CN110492306A (en) * | 2019-09-10 | 2019-11-22 | 四川华丰企业集团有限公司 | A kind of registered jack and its insertion method |
| CN112202020A (en) * | 2020-07-06 | 2021-01-08 | 中航光电科技股份有限公司 | Ultrahigh-speed high-density high-reliability integrated photoelectric radio frequency connector |
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| PB01 | Publication | ||
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Application publication date: 20210820 |