CN110568564A - High-reliability air-tight seal beam-expanding type optical fiber adapter - Google Patents

High-reliability air-tight seal beam-expanding type optical fiber adapter Download PDF

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Publication number
CN110568564A
CN110568564A CN201910840494.7A CN201910840494A CN110568564A CN 110568564 A CN110568564 A CN 110568564A CN 201910840494 A CN201910840494 A CN 201910840494A CN 110568564 A CN110568564 A CN 110568564A
Authority
CN
China
Prior art keywords
optical fiber
mounting plate
needle
contact pin
annular boss
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
Application number
CN201910840494.7A
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Chinese (zh)
Inventor
冯浩
张一鸣
青春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AVIC Shenyang Xinghua Aero Electrical Appliance Co Ltd
Original Assignee
AVIC Shenyang Xinghua Aero Electrical Appliance Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by AVIC Shenyang Xinghua Aero Electrical Appliance Co Ltd filed Critical AVIC Shenyang Xinghua Aero Electrical Appliance Co Ltd
Priority to CN201910840494.7A priority Critical patent/CN110568564A/en
Publication of CN110568564A publication Critical patent/CN110568564A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/36Mechanical coupling means
    • G02B6/38Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807Dismountable connectors, i.e. comprising plugs
    • G02B6/3833Details of mounting fibres in ferrules; Assembly methods; Manufacture
    • G02B6/3847Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces
    • G02B6/3849Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces using mechanical protective elements, e.g. caps, hoods, sealing membranes

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Coupling Of Light Guides (AREA)

Abstract

The invention discloses a high-reliability air-tight seal beam-expanding type optical fiber adapter, which solves the problems that the exposed optical fiber end surface of the existing optical fiber connector is easy to pollute and the optical fiber end surface is damaged and the air-tight seal requirement cannot be met. The optical fiber adapter comprises a shell, a mounting plate assembly, a pressure ring, a first sealing ring and a second sealing ring. The optical fiber adapter has the advantages of high precision, air tightness, error insertion prevention, multi-path high-speed transmission, electromagnetic interference resistance, extreme environment resistance and high reliability. The adapter eliminates the abrasion of the optical fiber contact body caused by physical contact, avoids the phenomenon of optical fiber fracture caused by optical fiber protrusion, and can effectively avoid the damage of the optical fiber. Especially under the airtight condition, the optical fiber connector not only can ensure the excellent transmission of optical signals, but also can improve the service life of the optical fiber connector.

Description

High-reliability air-tight seal beam-expanding type optical fiber adapter
Technical Field
The invention belongs to the technical field of optical fiber adapters, and particularly provides a high-reliability air-tight seal beam-expanding type optical fiber adapter.
Background
In order to be able to use highly reliable, highly integrated optical integrated interconnect systems on wall-penetrating devices in airborne systems, it is desirable to provide optical fiber adapters with hermetic sealing capabilities. Due to the characteristics of fragility, easy abrasion, poor environment resistance and the like of the optical fiber, the traditional air sealing processes such as sintering, embedding plastic compression and the like cannot be realized; and the traditional optical fiber connector adopts the mode of butt joint of the end face-end face contact of the optical fiber contact body to realize optical path coupling so as to achieve the purpose of optical path transmission. In long-term use, the problems that the end face of the optical fiber is easily polluted and damaged when the optical fiber connector is exposed out of the optical fiber end face are solved, the transmission of optical signals is greatly influenced, and in addition, in order to meet the requirement that the performance of products in a severe environment meets the requirement, a high-reliability air-tight sealing beam-expanding type optical fiber adapter is needed.
Chinese utility model patent with application number 201520032045.7 discloses an airtight sealed optical fiber adapter, airtight sealed optical fiber adapter constitutes as follows: the shell, the sealing ring, the partition plate gasket, the compression nut and the contact pin mounting plate assembly are arranged on the shell; the contact pin mounting plate assembly is arranged in the shell, and the sealing rings are located at two ends of the joint of the contact pin mounting plate assembly shell. The airtight sealed optical fiber adapter does not have the beam expanding function, and has the defects of insufficient airtightness and difficulty in assembly in the using process.
Disclosure of Invention
In order to solve the above technical problems, an object of the present invention is to provide a highly reliable hermetic-sealing beam-expanding optical fiber adapter, which can improve the coupling efficiency of light, greatly reduce the influence caused by vibration, dust, etc., is easy to clean and maintain, meets the hermetic sealing requirement, and can effectively improve the environmental resistance and mechanical life of the optical fiber connector.
in order to achieve the purpose, the invention adopts the following technical scheme: a high-reliability air-tight seal beam-expanding type optical fiber adapter comprises a shell, a mounting plate assembly, a pressure ring, a first sealing ring and a second sealing ring; the mounting plate assembly is mounted in a cavity in the shell, a pressing ring is mounted on the periphery of the mounting plate assembly, the pressing ring is fixedly connected with the shell through threads, a first sealing ring is sleeved on the periphery of the front end of the mounting plate assembly, and a second sealing ring is sleeved on the outer side of the pressing ring on the periphery of the tail end of the mounting plate assembly;
the mounting plate assembly comprises a needle front mounting plate, sealant, a contact pin mounting plate, a plurality of contact pins and a first O-shaped sealing ring; the utility model discloses a sealing device, including contact pin, needle mounting panel, sealed glue, first O type sealing washer is overlapped respectively at both ends around the periphery of contact pin, be equipped with a plurality of axial and according to first contact pin mounting hole and 2 first locating holes of circumference distribution in the mounting panel before the needle, the contact pin is packed into in every first contact pin mounting hole, and sealed glue of inside embedment of mounting panel before the needle, be equipped with the second contact pin mounting hole corresponding with first contact pin mounting hole position on the mounting panel before the needle in the contact pin mounting panel, and be equipped with 2 second locating holes in the contact pin mounting panel, with the sealed glue one side of mounting panel embedment before the needle with contact pin mounting panel lock, the tail end of contact pin is packed into in the second contact pin mounting hole, the first O type sealing washer at both ends is arranged in first contact.
Further, the periphery of mounting panel before the needle is equipped with third annular boss, be equipped with a plurality of first annular grooves on third annular boss, install second O type sealing washer in every first annular groove, and be equipped with interior step face at the tail end of third annular boss, be equipped with fourth annular boss in the front end periphery of contact pin mounting panel, the front end face of fourth annular boss and the front end outer peripheral face of contact pin mounting panel form with the outer step face of the interior step face assorted of mounting panel before the needle, when the contact pin mounting panel was buckled with the mounting panel before the needle, outer step face and interior step face cooperateed and realize the location.
Furthermore, a first annular boss protruding inwards is arranged in the shell, a second annular boss is formed by extending the front end of the first annular boss inwards, a second annular groove is formed in the front end of the second annular boss, and a third annular groove and a fourth annular groove with sequentially increased inner diameters are formed in the tail end of the first annular boss; when the mounting plate assembly is mounted on the shell, a second O-shaped sealing ring on the periphery of the mounting plate before the needle is arranged between the inner peripheral surface of the first annular boss and the mounting plate before the needle, the front end face of a third annular boss of the mounting plate before the needle is abutted to the tail end face of a second annular boss in the shell, the pressing ring is sleeved at the tail end of a fourth annular boss on the periphery of the mounting plate before the needle and is arranged in a third annular groove of the shell, the second sealing ring is arranged in the fourth annular groove, and the first sealing ring is arranged in the second annular groove.
Further, the number of the first annular grooves is 3.
Further, the number of the pins is 6.
further, the contact pin is an expanded beam optical fiber sealing contact pin.
Compared with the prior art, the invention has the following beneficial effects: the mounting plate assembly is provided with the positioning hole, so that when the adapter is in butt joint use, the accurate positioning effect can be achieved, and the relative motion of the beam expanding contact piece under the conditions of vibration and impact can be reduced, so that the reliability of the adapter is improved, and the service life of the adapter is prolonged. In addition, the mounting panel subassembly is a seal assembly, can realize air-tight seal function, install first O type sealing washer in the contact pin periphery, the leakproofness and the when assembly of mounting panel and contact pin mounting panel before contact pin and the needle have been guaranteed, the inside adhesive embedding that adopts of contact pin, strengthen inside leakproofness, and install second O type sealing washer in the mounting panel periphery before the needle, guarantee the airtightness between mounting panel subassembly and the casing, this subassembly can expand the beam collimation and assemble to the pencil simultaneously, thereby can increase the facula diameter, and effectively improve the environmental resistance performance and the mechanical life of optic fibre contact.
The optical fiber adapter has the advantages of high precision, air tightness, error insertion prevention, multi-path high-speed transmission, electromagnetic interference resistance, extreme environment resistance and high reliability. The adapter eliminates the abrasion of the optical fiber contact body caused by physical contact, avoids the phenomenon of optical fiber fracture caused by optical fiber protrusion, and can effectively avoid the damage of the optical fiber. Especially under the airtight condition, the optical fiber connector not only can ensure the excellent transmission of optical signals, but also can improve the service life of the optical fiber connector.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a mounting plate assembly;
FIG. 3 is a schematic perspective view of the high-reliability air-tight sealed beam-expanding optical fiber adapter of the present invention;
FIG. 4 is a left side view of FIG. 3;
FIG. 5 is a schematic diagram of a pin configuration of the present invention;
FIG. 6 is a schematic diagram of a lens assembly in a pin;
FIG. 7 is a perspective view of a pin of the present invention;
In the figure: 1-a shell; 1-1-a first annular boss; 1-2-a second annular boss; 1-3-a second annular groove; 1-4-a third annular groove; 1-5-fourth annular groove; 2-pressing a ring; 3-a first sealing ring; 4-a second sealing ring; 5-mounting the needle front plate; 5-1-a first contact pin mounting hole; 5-2-a first locating hole; 5-3-a third annular boss; 5-4-a first annular groove; 6-sealing glue; 7-inserting pin mounting plate; 7-1-second contact pin mounting hole; 7-2-a second positioning hole; 7-3-fourth annular boss; 8-inserting pins; 9-a first O-ring seal; 10-a second O-ring seal; 11-a needle housing; 11-1 a fifth annular groove; 11-2-central through hole; 11-3-ring groove; 12-a ferrule; 13-a lens assembly; 13-1-closed ceramic sleeve; 13-2-self-focusing lens; 14-an optical cable; 15-adhesive glue.
Detailed Description
the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a high-reliability air-tight seal bundle expansion type optical fiber adapter comprises a housing 1, a mounting plate assembly, a press ring 2, a first seal ring 3 and a second seal ring 4; the mounting plate assembly is arranged in a cavity in the shell 1, a pressing ring 2 is arranged on the periphery of the mounting plate assembly, the pressing ring 2 is fixedly connected with the shell 1 through threads, a first sealing ring 3 is sleeved on the periphery of the front end of the mounting plate assembly, and a second sealing ring 4 is sleeved on the outer side of the pressing ring 2 on the periphery of the tail end of the mounting plate assembly;
Referring to fig. 2, the mounting plate assembly includes a needle front mounting plate 5, a sealant 6, a pin mounting plate 7, a plurality of pins 8, and a first O-ring 9; the front end and the rear end of the periphery of the contact pin 8 are respectively sleeved with a first O-shaped sealing ring 9, a plurality of first contact pin mounting holes 5-1 and 2 first positioning holes 5-2 which are axially and circumferentially distributed are arranged in the contact pin mounting plate 5, the contact pin 8 is arranged in each first contact pin mounting hole 5-1, sealant 6 is filled in the contact pin mounting plate 5, a second contact pin mounting hole 7-1 corresponding to the position of the first contact pin mounting hole 5-1 on the contact pin mounting plate 5 is arranged in the contact pin mounting plate 7, 2 second positioning holes 7-2 are arranged in the contact pin mounting plate 7, the contact pin mounting plate 7 is buckled on one side of the sealant 6 filled in the contact pin mounting plate 5, the tail end of the contact pin 8 is arranged in the second contact pin mounting hole 7-1, the first O-shaped sealing rings 9 at the front end and the rear end of the contact pin 8 are respectively arranged in the first contact pin mounting hole 5-1 and the second contact pin, and the sealing performance is ensured.
The periphery of the needle front mounting plate 5 is provided with a third annular boss 5-3, the third annular boss 5-3 is provided with a plurality of first annular grooves 5-4, each first annular groove 5-4 is internally provided with a second O-shaped sealing ring 10, the tail end of the third annular boss 5-3 is provided with an inner step surface 5-3-1, the periphery of the front end of the needle mounting plate 7 is provided with a fourth annular boss 7-3, the front end surface of the fourth annular boss 7-3 and the peripheral surface of the front end of the needle mounting plate 7 form an outer step surface matched with the inner step surface of the needle front mounting plate 5, and when the needle mounting plate 7 is buckled with the needle front mounting plate 5, the outer step surface is matched with the inner step surface to realize positioning.
A first annular boss 1-1 protruding inwards is arranged in the shell 1, a second annular boss 1-2 is formed by extending the front end of the first annular boss 1-1 inwards to the periphery, a second annular groove 1-3 is arranged at the front end of the second annular boss 1-2, and a third annular groove 1-4 and a fourth annular groove 1-5 with sequentially increased inner diameters are arranged at the tail end of the first annular boss 1-1; when the mounting plate assembly is mounted on the shell 1, the second O-shaped sealing ring 10 on the periphery of the needle front mounting plate 5 is arranged between the inner peripheral surface of the first annular boss 1-1 and the needle front mounting plate 5, the front end surface of the third annular boss 5-3 of the needle front mounting plate 5 abuts against the tail end surface of the second annular boss 1-2 in the shell 1, the pressing ring 2 is sleeved at the tail end of the fourth annular boss 7-3 on the periphery of the needle front mounting plate 5 and is arranged in the third annular groove 1-4 of the shell 1, the second sealing ring 4 is arranged in the fourth annular groove 1-5, and the first sealing ring 3 is arranged in the second annular groove 1-3.
the number of the first annular grooves 5-4 is 3.
the number of pins 8 is 6.
referring to fig. 5-7, the stub 8 is an expanded beam optical fiber sealing stub, which includes a stub housing 11, 2 ferrules 12, 2 lens assemblies 13, and an optical cable 14; the needle comprises a needle shell 11, a needle core 12 and a needle shell, wherein a central through hole 11-2 is axially arranged in the needle shell 11, annular grooves 11-3 which are symmetrically arranged and have the diameter larger than that of the central through hole 11-2 are respectively formed in the outer sides of the left end and the right end of the central through hole 11-2, annular grooves 11-3 are symmetrically arranged at the left end and the right end of the central through hole 11-2, one end of each 2 ceramic core inserts 12 is respectively installed at the left end and the right end in the central through hole 11-2 in an interference fit mode, an optical cable 14 is axially arranged in the central through hole 11-2, the left end and the right end of the optical cable 14 penetrate through the ceramic core inserts 12 to be fixed in the ceramic core inserts, an adhesive 15 is filled and sealed in any end part of the central through hole.
Referring to fig. 6, the lens assembly 13 includes a closed ceramic sleeve 13-1 and a self-focusing lens 13-2, the closed ceramic sleeve 13-1 is a hollow cylinder with an opening 13-1-1 on one side, the self-focusing lens 13-2 is disposed at one end of an internal cavity of the closed ceramic sleeve 13-1, and the closed ceramic sleeve 13-1 is sleeved on the periphery of the end of the ferrule 12 and is bonded and fixed.
And 2 fifth annular grooves 11-1 for mounting the first O-shaped sealing ring 9 are respectively arranged at the left and right symmetrical positions of the peripheral surface of the needle shell 11.
The fifth annular groove 11-1 can also play a role in enhancing the bonding strength when glue is poured without installing a sealing ring when other types of adapters are provided with the beam expanding optical fiber sealing insertion pin.
During installation, the first O-shaped sealing ring 9 is firstly sleeved on the fifth annular groove 11-1 on the periphery of the needle shell 11 of the expanded beam optical fiber sealing contact pin, then the expanded beam optical fiber sealing contact pin is sent to the front needle installation plate 5, sealant is filled and sealed on one side of the front needle installation plate, the contact pin installation plate 7 is buckled on one side of the front needle installation plate 5 filled and sealed with sealant, and the second O-shaped sealing ring 10 is sleeved in the first annular groove 5-4 outside the front needle installation plate; then the assembled mounting plate assembly is fed from the tail end of the shell 1, the pressing ring 2 is sleeved on the periphery of the mounting plate assembly and fixedly connected with the threads of the shell through the threads of the pressing ring, then the first sealing ring 3 and the second sealing ring 4 are respectively fed from the two ends of the shell 1 and sleeved on the periphery of the mounting plate assembly and respectively arranged in the second annular groove 1-3 and the fourth annular groove 1-5 of the shell.
the high-reliability air-tight seal beam-expanding type optical fiber adapter can be matched with an optical fiber connector with the same interface for use, realizes a signal switching function, realizes multi-path optical signal transmission, and can meet the requirement of air-tight seal. The connector adopts the contact pin 8, can expand the beam and collimate and assemble the light beam, thereby can increase the diameter of facula, effectively improve the environmental resistance performance of the optical fiber contact. Meanwhile, when the connector is in butt joint use, the contact elements are allowed to be not in physical contact, so that abrasion caused by contact of the end faces of the contact elements is avoided, the damage of the optical fiber contact elements can be effectively avoided, and the reliability and the mechanical life of the connector are improved.
Therefore, the optical fiber adapter has the advantages of high precision, air tightness, misplug prevention, multi-path high-speed transmission, electromagnetic interference resistance, extreme environment resistance and high reliability. The adapter eliminates the abrasion of the optical fiber contact body caused by physical contact, avoids the phenomenon of optical fiber fracture caused by optical fiber protrusion, and can effectively avoid the damage of the optical fiber. Especially under the airtight condition, the optical fiber connector not only can ensure the excellent transmission of optical signals, but also can improve the service life of the optical fiber connector.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.

Claims (6)

1. A high-reliability air-tight seal beam-expanding type optical fiber adapter is characterized by comprising a shell, a mounting plate assembly, a pressure ring, a first sealing ring and a second sealing ring; the mounting plate assembly is mounted in a cavity in the shell, a pressing ring is mounted on the periphery of the mounting plate assembly, the pressing ring is fixedly connected with the shell through threads, a first sealing ring is sleeved on the periphery of the front end of the mounting plate assembly, and a second sealing ring is sleeved on the outer side of the pressing ring on the periphery of the tail end of the mounting plate assembly;
the mounting plate assembly comprises a needle front mounting plate, sealant, a contact pin mounting plate, a plurality of contact pins and a first O-shaped sealing ring; the utility model discloses a sealing device, including contact pin, needle mounting panel, sealed glue, first O type sealing washer is overlapped respectively at both ends around the periphery of contact pin, be equipped with a plurality of axial and according to first contact pin mounting hole and 2 first locating holes of circumference distribution in the mounting panel before the needle, the contact pin is packed into in every first contact pin mounting hole, and sealed glue of inside embedment of mounting panel before the needle, be equipped with the second contact pin mounting hole corresponding with first contact pin mounting hole position on the mounting panel before the needle in the contact pin mounting panel, and be equipped with 2 second locating holes in the contact pin mounting panel, with the sealed glue one side of mounting panel embedment before the needle with contact pin mounting panel lock, the tail end of contact pin is packed into in the second contact pin mounting hole, the first O type sealing washer at both ends is arranged in first contact.
2. The high-reliability air-tight seal bundle-expanding type optical fiber adapter as claimed in claim 1, wherein a third annular boss is provided at the periphery of the needle front mounting plate, a plurality of first annular grooves are provided on the third annular boss, a second O-ring is provided in each first annular groove, an inner step surface is provided at the tail end of the third annular boss, a fourth annular boss is provided at the periphery of the front end of the needle mounting plate, the front end surface of the fourth annular boss and the outer peripheral surface of the front end of the needle mounting plate form an outer step surface matched with the inner step surface of the needle front mounting plate, and when the needle mounting plate is fastened with the needle front mounting plate, the outer step surface and the inner step surface are matched to realize positioning.
3. The high-reliability air-tight seal bundle-expanding type optical fiber adapter as claimed in claim 1, wherein the housing is internally provided with a first annular boss protruding inwards, a second annular boss is formed by extending the front end of the first annular boss inwards, the front end of the second annular boss is provided with a second annular groove, and the tail end of the first annular boss is provided with a third annular groove and a fourth annular groove which have sequentially increased inner diameters; when the mounting plate assembly is mounted on the shell, a second O-shaped sealing ring on the periphery of the mounting plate before the needle is arranged between the inner peripheral surface of the first annular boss and the mounting plate before the needle, the front end face of a third annular boss of the mounting plate before the needle is abutted to the tail end face of a second annular boss in the shell, the pressing ring is sleeved at the tail end of a fourth annular boss on the periphery of the mounting plate before the needle and is arranged in a third annular groove of the shell, the second sealing ring is arranged in the fourth annular groove, and the first sealing ring is arranged in the second annular groove.
4. The highly reliable hermetically sealed expanded beam type optical fiber adapter according to claim 1, wherein the number of the first annular grooves is 3.
5. The highly reliable hermetically sealed expanded beam type optical fiber adapter according to claim 1, wherein the number of the pins is 6.
6. The highly reliable hermetically sealed expanded beam optical fiber adapter of claim 1, wherein said ferrule is an expanded beam optical fiber sealing ferrule.
CN201910840494.7A 2019-09-06 2019-09-06 High-reliability air-tight seal beam-expanding type optical fiber adapter Pending CN110568564A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910840494.7A CN110568564A (en) 2019-09-06 2019-09-06 High-reliability air-tight seal beam-expanding type optical fiber adapter

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Application Number Priority Date Filing Date Title
CN201910840494.7A CN110568564A (en) 2019-09-06 2019-09-06 High-reliability air-tight seal beam-expanding type optical fiber adapter

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CN110568564A true CN110568564A (en) 2019-12-13

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113075769A (en) * 2021-04-01 2021-07-06 洛阳赛焱光电科技有限公司 Anti-loose optical fiber converter for realizing non-contact and contact type transmission mode conversion
CN115016069A (en) * 2022-06-21 2022-09-06 中航光电科技股份有限公司 Ceramic insert type low-loss optical fiber air-tight sealing connector and sealing contact part thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204405896U (en) * 2015-01-15 2015-06-17 沈阳兴华航空电器有限责任公司 A kind of hermetic seal fiber optic adapter
CN108345070A (en) * 2018-03-02 2018-07-31 沈阳兴华航空电器有限责任公司 A kind of single mode optical fiber sealing adaptor device
CN109839699A (en) * 2019-03-14 2019-06-04 沈阳兴华航空电器有限责任公司 A kind of highly reliable extending type optical fiber connector
CN210514699U (en) * 2019-09-06 2020-05-12 沈阳兴华航空电器有限责任公司 High-reliability air-tight seal beam-expanding type optical fiber adapter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204405896U (en) * 2015-01-15 2015-06-17 沈阳兴华航空电器有限责任公司 A kind of hermetic seal fiber optic adapter
CN108345070A (en) * 2018-03-02 2018-07-31 沈阳兴华航空电器有限责任公司 A kind of single mode optical fiber sealing adaptor device
CN109839699A (en) * 2019-03-14 2019-06-04 沈阳兴华航空电器有限责任公司 A kind of highly reliable extending type optical fiber connector
CN210514699U (en) * 2019-09-06 2020-05-12 沈阳兴华航空电器有限责任公司 High-reliability air-tight seal beam-expanding type optical fiber adapter

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113075769A (en) * 2021-04-01 2021-07-06 洛阳赛焱光电科技有限公司 Anti-loose optical fiber converter for realizing non-contact and contact type transmission mode conversion
CN115016069A (en) * 2022-06-21 2022-09-06 中航光电科技股份有限公司 Ceramic insert type low-loss optical fiber air-tight sealing connector and sealing contact part thereof
CN115016069B (en) * 2022-06-21 2024-04-16 中航光电科技股份有限公司 Ceramic ferrule type low-loss optical fiber airtight connector and sealing contact element component thereof

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