CN106772828A - A kind of contactless optical fiber connector - Google Patents
A kind of contactless optical fiber connector Download PDFInfo
- Publication number
- CN106772828A CN106772828A CN201611124349.1A CN201611124349A CN106772828A CN 106772828 A CN106772828 A CN 106772828A CN 201611124349 A CN201611124349 A CN 201611124349A CN 106772828 A CN106772828 A CN 106772828A
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- China
- Prior art keywords
- optical fiber
- contact
- fiber group
- mounting hole
- face
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Classifications
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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
- G02B6/40—Mechanical coupling means having fibre bundle mating means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
A kind of contactless optical fiber connector, is related to joints of optical fibre field；Including optical fiber group, contact, Socket casing, plug casing, mounting hole, spring, receptacle cover plate and plug deck；Optical fiber group is fixed in contact using epoxy glue (not shown) is permanent；Contact is respectively placed in the mounting hole of Socket casing, and contact is not positioned in the mounting hole of plug casing.Contact is docked with contact in sleeve pipe, and contact is docked with contact in sleeve.Cover plate pressing spring, so that confining force when providing docking；Suitable for high-power laser transmission, optical signal transmission under adverse circumstances (sand and dust, miriness, vibration etc.), while the loss of connector is low, while processing and assembly difficulty is small, required precision is low, connect-disconnect life is high.
Description
Technical field
The present invention relates to a kind of joints of optical fibre field, particularly a kind of contactless optical fiber connector.
Background technology
Using physical connection mode, i.e. fiber end face directly contact to realize the low damage of optical signal conventional fiber optic connectors more
Consumption transmission.This connected mode is not suitable for following particular application application.
1st, high-power laser transmission：When conventional physical contact type optical fiber connector is used for high-power laser transmission, due to swashing
Optical power density is high, and the output of optical fiber and input end face are easily burned out and cannot continue to transmit light energy.
2nd, adverse circumstances：Conventional physical contact type optical fiber connector is used for adverse circumstances, such as：Sand and dust, miriness, vibration etc.,
Pollutant between optical fiber can cause fiber end face to damage and cannot continue to transmit optical signal
3rd, plug repeatedly：Conventional physical contact type optical fiber connector is used for provisional communication circuit, field communication etc., inserts repeatedly
Pulling out can cause fiber end face to wear and tear, and cause optical signal transmission hydraulic performance decline.
For above particular application, have at present using the extending type contactless optical fiber connector of lens.This kind of company
The noncontact that connect device is carried out between optical fiber using lens is connected, but has the disadvantage that loss is big, and interchangeability is poor, and part is processed and assembled
Difficulty is big, high cost.
The content of the invention
A kind of above-mentioned deficiency it is an object of the invention to overcome prior art, there is provided contactless optical fiber connector, fits
For high-power laser transmission, optical signal transmission under adverse circumstances (sand and dust, miriness, vibration etc.), while the loss of connector is low,
Processing simultaneously and assembly difficulty is small, required precision is low, connect-disconnect life is high.
Above-mentioned purpose of the invention is achieved by following technical solution：
A kind of contactless optical fiber connector, including the first optical fiber group, the second optical fiber group, the 3rd optical fiber group, the 4th optical fiber
Group, the first contact, the second contact, the 3rd contact, the 4th contact, Socket casing, plug casing, the first mounting hole,
Second mounting hole, the 3rd mounting hole, the 4th mounting hole, the first spring, second spring, the 3rd spring, the 4th spring, receptacle cover plate
And plug deck；Wherein, Socket casing is vertically hollow structure, and one end of Socket casing is axially disposed the first mounting hole
With the second mounting hole；Receptacle cover plate is fixedly mounted on one end of Socket casing；First contact is fixedly mounted on the first mounting hole
In；First optical fiber group is axially fixed the shaft core position installed in the first contact；The end face and receptacle cover plate of the first contact
Inner face be installed with the first spring；3rd contact is fixedly mounted in the second mounting hole；3rd optical fiber group is vertically
It is fixedly mounted on the shaft core position of the 3rd contact；The end face of the 3rd contact and the inner face of receptacle cover plate are installed with the
Three springs；Plug casing is axially disposed the 3rd mounting hole and the 4th mounting hole；Plug deck is fixedly mounted on plug casing
One end；Second contact is fixedly mounted in the 3rd mounting hole；Second optical fiber group is axially fixed installed in the second contact
Shaft core position；The end face of the second contact is installed with second spring with the inner face of plug deck；4th contact is consolidated
Dingan County is in the 4th mounting hole；4th optical fiber group is axially fixed the shaft core position installed in the 4th contact；4th contact
The end face of part is installed with the 4th spring with the inner face of plug deck.
In a kind of above-mentioned contactless optical fiber connector, the first mounting hole and the second mounting hole Parallel Symmetric are arranged on slotting
The shaft core position of seat shell body；Receptacle cover plate correspondence is arranged on the first mounting hole and the second mounting hole site in the opening of Socket casing
Place.
In a kind of above-mentioned contactless optical fiber connector, first contact is cylindrical structural, is wrapped in first
The outer wall of optical fiber group；3rd contact is cylindrical structural, is wrapped in the outer wall of the 3rd optical fiber group；Second contact is cylinder
Structure, is wrapped in the outer wall of the second optical fiber group；4th contact is cylindrical structural, is wrapped in the outer wall of the 4th optical fiber group.
In a kind of above-mentioned contactless optical fiber connector, the receptacle cover plate and plug deck symmetrically set respectively in axial direction
It is equipped with two through holes；A through hole of the one end of first optical fiber group through receptacle cover plate；One end of 3rd optical fiber group passes through socket
Another through hole of cover plate；A through hole of the one end of second optical fiber group through plug deck；One end of 4th optical fiber group passes through
Another through hole of plug deck.
In a kind of above-mentioned contactless optical fiber connector, is provided between second contact and the 3rd mounting hole
One sleeve, the first sleeve is wrapped in the outer wall of the second contact；Second set is provided between 4th contact and the 4th mounting hole
Cylinder；Second sleeve is wrapped in the outer wall of the 4th contact.
In a kind of above-mentioned contactless optical fiber connector, the first optical fiber group, the second optical fiber group, the 3rd optical fiber group and
4th optical fiber group includes self-focusing optical fiber, ordinary optic fibre, front end face and fusion point；Wherein, self-focusing optical fiber and ordinary optic fibre
Between be provided with fusion point, self-focusing optical fiber is fixedly and coaxially connected with ordinary optic fibre by fusion point；Front end face is arranged on autohemagglutination
The axial outer end of burnt optical fiber.
In a kind of above-mentioned contactless optical fiber connector, first contact, the second contact, the 3rd contact and
4th contact includes lock pin and tailstock；Wherein, lock pin is wrapped in the outer wall of optical fiber group；Tailstock is ledge structure, fixed peace
Mounted in optical fiber group and the junction of lock pin；The axial outer end face of lock pin is provided with contact front end face.
In a kind of above-mentioned contactless optical fiber connector, when each contact is arranged on the outer wall of corresponding optical fiber group, optical fiber
The front end face of group is apart from contact front end face 0.3-0.5mm.
The present invention has the following advantages that compared with prior art：
(1) present invention uses Non-contact optical fiber connected mode, it is adaptable to high-power laser transmission, adverse circumstances (sand and dust,
Muddy, vibration etc.) under optical signal transmission, while the connect-disconnect life of connector is high；
(2) present invention carries out collimation output and the collectiong focusing of light beam using self-focusing optical fiber, and loss is low, while processing
And assembly difficulty is small, required precision is low.
Brief description of the drawings
Fig. 1 is fibre-optic connector structure schematic diagram of the present invention；
Fig. 2 is the structural representation of optical fiber group of the present invention；
Fig. 3 is contact of the present invention and optical fiber group scheme of installation.
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings：
The present invention provides a kind of contactless optical fiber connector, it is adaptable to high-power laser transmission, adverse circumstances (sand and dust,
Muddy, vibration etc.) under optical signal transmission, while the loss of connector is low, while processing and assembly difficulty is small, required precision is low,
Connect-disconnect life is high.
It is as shown in Figure 1 fibre-optic connector structure schematic diagram, as seen from the figure, a kind of contactless optical fiber connector, including
First optical fiber group 1, the second optical fiber group 2, the 3rd optical fiber group 3, the 4th optical fiber group 4, the first contact 5, the second contact the 7, the 3rd
Contact 6, the 4th contact 8, Socket casing 9, plug casing 10, the first mounting hole 11, the second mounting hole 12, the 3rd mounting hole
13rd, the 4th mounting hole 14, the first spring 17, second spring 18, the 3rd spring 19, the 4th spring 20, receptacle cover plate 21 and plug
Cover plate 22；Wherein, Socket casing 9 is vertically hollow structure, and one end of Socket casing 9 is axially disposed the first mounting hole 11
With the second mounting hole 12；Receptacle cover plate 21 is fixedly mounted on one end of Socket casing 9；First contact 5 is fixedly mounted on first
In mounting hole 11；First optical fiber group 1 is axially fixed the shaft core position installed in the first contact 5；The end face of the first contact 5
The first spring 17 is installed with the inner face of receptacle cover plate 21；3rd contact 6 is fixedly mounted in the second mounting hole 12；
3rd optical fiber group 3 is axially fixed the shaft core position installed in the 3rd contact 6；The end face and receptacle cover plate of the 3rd contact 6
21 inner face is installed with the 3rd spring 19；Plug casing 10 is axially disposed the 3rd mounting hole 13 and the 4th mounting hole
14；Plug deck 22 is fixedly mounted on one end of plug casing 10；Second contact 7 is fixedly mounted in the 3rd mounting hole 13；
Second optical fiber group 2 is axially fixed the shaft core position installed in the second contact 7；The end face and plug deck of the second contact 7
22 inner face is installed with second spring 18；4th contact 8 is fixedly mounted in the 4th mounting hole 14；4th optical fiber group
4 are axially fixed the shaft core position installed in the 4th contact 8；The end face of the 4th contact 8 and the inner face of plug deck 22
It is installed with the 4th spring 20.Contact keeps stabilization docking by the elastic force that spring is provided in precision sleeve
First mounting hole 11 and the Parallel Symmetric of the second mounting hole 12 are arranged on the shaft core position of Socket casing 9；Receptacle cover plate
21 correspondences are located at the opening of Socket casing 9 installed in the first mounting hole 11 and the second mounting hole 12.
First contact 5 is cylindrical structural, is wrapped in the outer wall of the first optical fiber group 1；3rd contact 6 is cylinder
Shape structure, is wrapped in the outer wall of the 3rd optical fiber group 3；Second contact 7 is cylindrical structural, is wrapped in the outer of the second optical fiber group 2
Wall；4th contact 8 is cylindrical structural, is wrapped in the outer wall of the 4th optical fiber group 4.
Receptacle cover plate 21 and plug deck 22 are symmetrically arranged with two through holes respectively in axial direction；One end of first optical fiber group 1
Through a through hole of receptacle cover plate 21；Another through hole of one end of 3rd optical fiber group 3 through receptacle cover plate 21；Second optical fiber
A through hole of the one end of group 2 through plug deck 22；One end of 4th optical fiber group 4 through plug deck 22 another lead to
Hole.
The first sleeve 15 is provided between second contact 7 and the 3rd mounting hole 13, the first sleeve 15 is wrapped in second and connects
The outer wall of contact element 7；Second sleeve 16 is provided between 4th contact 8 and the 4th mounting hole 14；Second sleeve 16 is wrapped in
The outer wall of four contacts 8.
The structural representation of optical fiber group is illustrated in figure 2, as seen from the figure, the first optical fiber group 1, the second optical fiber group 2,
Three optical fiber groups 3 and the 4th optical fiber group 4 include self-focusing optical fiber 201, ordinary optic fibre 202, front end face 203 and fusion point 204；Its
In, fusion point 204 is provided between self-focusing optical fiber 201 and ordinary optic fibre 202, self-focusing optical fiber 201 leads to ordinary optic fibre 202
Fusion point 204 is crossed to be fixedly and coaxially connected；Front end face 203 is arranged on the axial outer end of self-focusing optical fiber 201.
Contact and optical fiber group scheme of installation are illustrated in figure 3, as seen from the figure, first contact 5, second is contacted
Part 7, the 3rd contact 6 and the 4th contact 8 include lock pin 301 and tailstock 302；Wherein, lock pin 301 is wrapped in optical fiber group
Outer wall；Tailstock 302 is ledge structure, is fixedly mounted on the junction of optical fiber group and lock pin 301；The axial outer end face of lock pin 301
It is provided with contact front end face 303.
When each contact is arranged on the outer wall of corresponding optical fiber group, the front end face 203 of optical fiber group is apart from contact front end face
3030.3-0.5mm。
Ordinary optic fibre 202 in optical fiber group is together with the low loss welding of self-focusing optical fiber 201；First optical fiber group 1 passes through
Self-focusing optical fiber 201 realizes expanding and collimating output for light, and the second optical fiber group 2 will be collimated by the self-focusing optical fiber 201 of front end
Beam reception and inject thereafter after focusing on ordinary optic fibre 202 in；Conversely, light beam can be transferred to first from the second optical fiber group 2
Optical fiber group 1.
The content not being described in detail in description of the invention belongs to the known technology of those skilled in the art.
Claims (8)
1. a kind of contactless optical fiber connector, it is characterised in that：Including the first optical fiber group (1), the second optical fiber group (2), the 3rd
Optical fiber group (3), the 4th optical fiber group (4), the first contact (5), the second contact (7), the 3rd contact (6), the 4th contact
(8), Socket casing (9), plug casing (10), the first mounting hole (11), the second mounting hole (12), the 3rd mounting hole (13),
Four mounting holes (14), the first spring (17), second spring (18), the 3rd spring (19), the 4th spring (20), receptacle cover plate (21)
With plug deck (22)；Wherein, Socket casing (9) is vertically hollow structure, and one end of Socket casing (9) is axially disposed to be had
First mounting hole (11) and the second mounting hole (12)；Receptacle cover plate (21) is fixedly mounted on one end of Socket casing (9)；First connects
Contact element (5) is fixedly mounted in the first mounting hole (11)；First optical fiber group (1) is axially fixed installed in the first contact (5)
Shaft core position；The end face of the first contact (5) is installed with the first spring (17) with the inner face of receptacle cover plate (21)；The
Three contacts (6) are fixedly mounted in the second mounting hole (12)；3rd optical fiber group (3) is axially fixed installed in the 3rd contact
(6) shaft core position；The end face of the 3rd contact (6) is installed with the 3rd spring with the inner face of receptacle cover plate (21)
(19)；Plug casing (10) is axially disposed the 3rd mounting hole (13) and the 4th mounting hole (14)；Plug deck (22) is fixed
Installed in one end of plug casing (10)；Second contact (7) is fixedly mounted in the 3rd mounting hole (13)；Second optical fiber group
(2) it is axially fixed the shaft core position installed in the second contact (7)；The end face of the second contact (7) and plug deck (22)
Inner face be installed with second spring (18)；4th contact (8) is fixedly mounted in the 4th mounting hole (14)；4th light
Fine group (4) are axially fixed the shaft core position installed in the 4th contact (8)；The end face and plug deck of the 4th contact (8)
(22) inner face is installed with the 4th spring (20).
2. a kind of contactless optical fiber connector according to claim 1, it is characterised in that：First mounting hole (11) and
Two mounting holes (12) Parallel Symmetric is arranged on the shaft core position of Socket casing (9)；Receptacle cover plate (21) correspondence is arranged on the first peace
Dress hole (11) and the second mounting hole (12) are at the opening of Socket casing (9).
3. a kind of contactless optical fiber connector according to claim 1, it is characterised in that：First contact (5)
It is cylindrical structural, is wrapped in the outer wall of the first optical fiber group (1)；3rd contact (6) is cylindrical structural, is wrapped in the 3rd light
The fine group of outer wall of (3)；Second contact (7) is cylindrical structural, is wrapped in the outer wall of the second optical fiber group (2)；4th contact
(8) it is cylindrical structural, is wrapped in the outer wall of the 4th optical fiber group (4).
4. a kind of contactless optical fiber connector according to claim 1, it is characterised in that：The receptacle cover plate (21) and
Plug deck (22) is symmetrically arranged with two through holes respectively in axial direction；One end of first optical fiber group (1) passes through receptacle cover plate (21)
A through hole；Another through hole of one end of 3rd optical fiber group (3) through receptacle cover plate (21)；The one of second optical fiber group (2)
Hold a through hole through plug deck (22)；Another through hole of one end of 4th optical fiber group (4) through plug deck (22).
5. a kind of contactless optical fiber connector according to claim 1, it is characterised in that：Second contact (7)
The first sleeve (15) is provided between the 3rd mounting hole (13), the first sleeve (15) is wrapped in the outer wall of the second contact (7)；
Second sleeve (16) is provided between 4th contact (8) and the 4th mounting hole (14)；Second sleeve (16) is wrapped in the 4th and connects
The outer wall of contact element (8).
6. a kind of contactless optical fiber connector according to claim 1, it is characterised in that：The first optical fiber group (1),
Second optical fiber group (2), the 3rd optical fiber group (3) and the 4th optical fiber group (4) include self-focusing optical fiber (201), ordinary optic fibre
(202), front end face (203) and fusion point (204)；Wherein, it is provided between self-focusing optical fiber (201) and ordinary optic fibre (202)
Fusion point (204), self-focusing optical fiber (201) is fixedly and coaxially connected with ordinary optic fibre (202) by fusion point (204)；Front end face
(203) it is arranged on the axial outer end of self-focusing optical fiber (201).
7. a kind of contactless optical fiber connector according to claim 1, it is characterised in that：First contact (5),
Second contact (7), the 3rd contact (6) and the 4th contact (8) include lock pin (301) and tailstock (302)；Wherein, insert
Core (301) is wrapped in the outer wall of optical fiber group；Tailstock (302) is ledge structure, is fixedly mounted on the company of optical fiber group and lock pin (301)
Meet place；The axial outer end face of lock pin (301) is provided with contact front end face (303).
8. according to a kind of contactless optical fiber connector that one of claim 6-7 is described, it is characterised in that：Each contact is installed
In the outer wall of corresponding optical fiber group, the front end face (203) of optical fiber group is apart from contact front end face (303) 0.3-0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611124349.1A CN106772828A (en) | 2016-12-08 | 2016-12-08 | A kind of contactless optical fiber connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611124349.1A CN106772828A (en) | 2016-12-08 | 2016-12-08 | A kind of contactless optical fiber connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106772828A true CN106772828A (en) | 2017-05-31 |
Family
ID=58877541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611124349.1A Pending CN106772828A (en) | 2016-12-08 | 2016-12-08 | A kind of contactless optical fiber connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106772828A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111679369A (en) * | 2020-05-27 | 2020-09-18 | 中国航天时代电子有限公司 | High-power laser coupling structure |
| CN112162363A (en) * | 2020-09-16 | 2021-01-01 | 上海航天科工电器研究院有限公司 | Optical fiber connector with dustproof interface sealing structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0057794A1 (en) * | 1981-02-09 | 1982-08-18 | Litton Systems, Inc. | An optical connector |
| JP2004126563A (en) * | 2002-09-02 | 2004-04-22 | Seiko Instruments Inc | Lens integrated-type optical fiber and manufacturing method therefor |
| US20100027943A1 (en) * | 2008-07-29 | 2010-02-04 | Deniz K Armani | Expanded beam fiber optic connection system |
| US20140254990A1 (en) * | 2013-03-07 | 2014-09-11 | Hirose Electric Co., Ltd. | Optical connector and method of forming plug using the optical connector |
| CN104272152A (en) * | 2012-04-11 | 2015-01-07 | 蒂科电子荷兰私人有限公司 | Multi-mode multi-fiber connection with expanded beam |
| CN105445867A (en) * | 2015-12-23 | 2016-03-30 | 中国航天时代电子公司 | Detachable beam-expanding fiber optic connector |
-
2016
- 2016-12-08 CN CN201611124349.1A patent/CN106772828A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0057794A1 (en) * | 1981-02-09 | 1982-08-18 | Litton Systems, Inc. | An optical connector |
| JP2004126563A (en) * | 2002-09-02 | 2004-04-22 | Seiko Instruments Inc | Lens integrated-type optical fiber and manufacturing method therefor |
| US20100027943A1 (en) * | 2008-07-29 | 2010-02-04 | Deniz K Armani | Expanded beam fiber optic connection system |
| CN104272152A (en) * | 2012-04-11 | 2015-01-07 | 蒂科电子荷兰私人有限公司 | Multi-mode multi-fiber connection with expanded beam |
| US20140254990A1 (en) * | 2013-03-07 | 2014-09-11 | Hirose Electric Co., Ltd. | Optical connector and method of forming plug using the optical connector |
| CN105445867A (en) * | 2015-12-23 | 2016-03-30 | 中国航天时代电子公司 | Detachable beam-expanding fiber optic connector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111679369A (en) * | 2020-05-27 | 2020-09-18 | 中国航天时代电子有限公司 | High-power laser coupling structure |
| CN112162363A (en) * | 2020-09-16 | 2021-01-01 | 上海航天科工电器研究院有限公司 | Optical fiber connector with dustproof interface sealing structure |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |
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| RJ01 | Rejection of invention patent application after publication |