CN207198382U - A kind of single fiber bi-directional light path coupler - Google Patents
A kind of single fiber bi-directional light path coupler Download PDFInfo
- Publication number
- CN207198382U CN207198382U CN201721205275.4U CN201721205275U CN207198382U CN 207198382 U CN207198382 U CN 207198382U CN 201721205275 U CN201721205275 U CN 201721205275U CN 207198382 U CN207198382 U CN 207198382U
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- China
- Prior art keywords
- light
- optical
- splitting piece
- light splitting
- photodiode
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Abstract
The utility model discloses a kind of single fiber bi-directional light path coupler, including a black matrix, on the matrix, including light source passage, optical-fibre channel, light splitting piece, optical concentration module, photodiode, light splitting piece connects light source passage, optical concentration module and photodiode, light source passage is provided with the light emitting diode of transmitting 365nm ultraviolet lights, light splitting piece is long logical plane formula, fixed by light splitting piece deck, the transmitting light high-efficiency reflective that light emitting diode is sent can be made, enter optical fiber through optical concentration module, optical concentration module includes quartz-optical lens, plastics rigid gasket, caoutchouc elasticity packing ring, fiber orientation block, the transmitting light of light splitting piece reflection can be converged, photodiode receives the 615nm red signal lights returned from optical fiber.The utility model, using long logical plane formula light splitting piece, light loss is reduced, improves the signal to noise ratio of optical signal, light splitting piece is fixed by light splitting piece deck, is avoided glue caused by dispensing mode fixes light splitting piece and is permeated the deficiency on light splitting piece form.
Description
Technical field
A kind of photo-coupler that two-way communication is carried out in single fiber is the utility model is related to, can be with by the coupler
The optical signal guiding fiber from its internal output, then receive the optical signal returned from optical fiber, and will be returned from optical fiber
Optical signal is converted to electric signal.
Background technology
For the two-way communication in single fiber, it is necessary to from the transmission light that photocell is sent light either end
It imported into optical fiber, and being imported into from the light of the optical fiber output in light receiving element.
The intensity of light source can change because of factors such as light intensity Natural Attenuation, reflections, so as to be impacted to accuracy of detection.
At present, the light splitting piece of the light path coupler of in the market is fixed using method for dispensing glue, to a certain extent shadow
The transmission of light is rung, reduces the signal to noise ratio of optical signal.
Utility model content
In order to overcome the technical limitation of existing light path coupler, the utility model provides a kind of single fiber bi-directional light path
Coupler, the light path coupler can not only realize the two-way communication of optical signal, and greatly reduce the loss of light, improve light
The signal to noise ratio of signal.
The technical solution adopted in the utility model is：A kind of single fiber bi-directional light path coupler, including one piece of black material
Matrix, light source passage, optical-fibre channel, light splitting piece, optical concentration module, photodiode are included in described matrix, and its feature exists
In：Light source passage is provided with light emitting diode, and optical-fibre channel is provided with SC type fibre-optical splices, and light splitting piece is long logical plane formula, can make hair
The transmitting light high-efficiency reflective that optical diode is sent, enter optical fiber through optical concentration module, optical concentration module includes quartzy light
Lens, plastics rigid gasket, caoutchouc elasticity packing ring, fiber orientation block are learned, the transmitting light that light splitting piece reflects can be converged, light
Electric diode receives the optical signal returned from optical fiber.
Further, the installation of the optical concentration module is fixed for convenience, it is preferred that is set in the black collective
There is semicircle screw, screw is installed in screw.
In order that the optical signal that light source passage is sent efficiently reflexes to optical concentration module, it is preferred that the light splitting piece
For long logical plane formula, it is square, long wave can efficiently pass through；Preferably, the light splitting piece and photodiode, optical-fibre channel place
Angle between horizontal linear is 45 °.
In order to ensure efficiently to pass through light splitting piece by the optical signal that optical fiber returns, it is preferred that the light splitting piece passes through light splitting piece
Deck is fixed in light splitting piece socket.
For the ease of light emitting diode in light source passage it is fixed, it is preferred that described will light two by a cylindricality sleeve pipe
Pole pipe is fixed in the light source passage.
The light splitting piece is connected with light source passage, optical concentration module and photodiode；The optical concentration module, light
Electric diode and optical-fibre channel are located at same horizontal line；The light source passage and level where photodiode, optical-fibre channel are straight
Line is vertical.
Preferably, set light emitting diode can launch 365nm ultraviolet lights in the light source passage；The light that the light returns
Signal is 615nm feux rouges, efficiently can enter photodiode through light splitting piece.
Preferably, the black matrix is mixed and processed using black nylon with glass fibre.
The beneficial effects of the utility model are：Light splitting piece is fixed using light splitting piece deck, is effectively eliminated existing
Glue infiltration caused by fixing light splitting piece using dispensing mode leads to plane in the defects of light splitting piece form, light splitting piece using long
Formula, light loss is reduced, improve the signal to noise ratio of optical signal.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 attempts for blast of the present utility model.
Wherein：1. photodiode, 2. light splitting piece Fixing clamp-seats, 3. light splitting pieces, 4. light emitting diode fixed sleevings, 5. hairs
Optical diode, 6. plastics rigid washers, 7. caoutchouc elasticity pads, 8. fiber orientation blocks, 9.SC type fibre-optical splices, 10. fast black bases
Body, 11. fixed screws, 12. quartz-optical lens, 13. light splitting piece sockets, 14. photodiode sockets.
Embodiment
The utility model is described in further detail in conjunction with accompanying drawing.These accompanying drawings are simplified schematic diagram, only
Illustrate basic structure of the present utility model in a schematic way, therefore it only shows the composition relevant with the utility model.
As shown in figure 1, a kind of single fiber bi-directional light path coupler, including light source passage, optical-fibre channel, light splitting piece 3, light splitting piece
Socket 13, light splitting piece Fixing clamp-seat 2, optical concentration module, photodiode 1, photodiode socket 14, light emitting diode are solid
Determine sleeve pipe 4, the light source passage is provided with light emitting diode 5, light emitting diode fixed sleeving 4, it is preferred that the light emitting diode
5 be the light emitting diode that can launch 365nm ultraviolet lights.The optical-fibre channel is provided with SC types fibre-optical splice 9, for inserting optical fiber.
For the photodiode 1 with being provided with light splitting piece socket 13 among optical concentration module, the light splitting piece 3 passes through light splitting piece fixing card
Seat 2 is fixed in light splitting piece socket 13, the light splitting piece socket 13 and level where photodiode deck 14 and optical-fibre channel
Angle between straight line is 45 °.For long logical plane formula, the transmitting light that can send light emitting diode 5 carries out anti-the light splitting piece 3
It was shot through optical concentration module and enters optical fiber, and prevents what light emitting diode 5 from sending to emit light into described in photodiode 1.
Optical concentration module includes quartz-optical lens 12, caoutchouc elasticity packing ring 6, plastics rigid gasket 7, fiber orientation block 8, will can divide
The 365nm ultraviolet lights that mating plate 3 reflects are converged, and fixed optical fiber.The photodiode 1 receives the light returned from optical fiber
Signal, and convert optical signals to electric signal.The red signal light that the optical signal returned from optical fiber is 615nm.
Light emitting diode 5 launches 365nm ultraviolet lights, after the reflection of light splitting piece 3, through optical concentration module, to 365nm
Ultraviolet signal is converged, and subsequently enters optical-fibre channel；The 615nm red signal lights returned by optical fiber pass through optical concentration module
After being converged, light splitting piece 3 efficiently is passed through, into photodiode 1, turning for light-electric signal is completed in photodiode 1
Change.
It is described above according to desirable embodiment of the present utility model for enlightenment, pass through above-mentioned description, related work
Personnel can carry out various changes and amendments in the range of without departing from this item utility model technological thought completely.This item
The technical scope of utility model is not limited to the content on specification, it is necessary to determines its skill according to right
Art scope.
Claims (5)
1. a kind of single fiber bi-directional light path coupler, including a black matrix, on the matrix, including light source passage, optical fiber lead to
Road, light splitting piece, optical concentration module, photodiode, it is characterised in that photodiode, optical concentration module, optical-fibre channel
Positioned at same horizontal line, light source passage is vertical with photodiode, light splitting piece and level where photodiode and optical-fibre channel
Angle between straight line is 45 °, and light source passage is provided with the light emitting diode of transmitting 365nm ultraviolet lights, and optical-fibre channel is provided with SC types
Fibre-optical splice, light splitting piece are long logical plane formula, are fixed by light splitting piece deck, the transmitting light that can send light emitting diode is efficient
Reflection, enter optical fiber through optical concentration module, optical concentration module includes quartz-optical lens, plastics rigid gasket, rubber
Elastic washer, fiber orientation block, the transmitting light that light splitting piece reflects can be converged, photodiode receives what is returned from optical fiber
615nm red signal lights.
A kind of 2. single fiber bi-directional light path coupler according to claim 1, it is characterised in that：Light splitting piece is long logical plane
Formula, it is fixed on by light splitting piece Fixing clamp-seat on light splitting piece socket, long wave can be efficiently by reducing light loss, improving optical signal
Signal to noise ratio.
A kind of 3. single fiber bi-directional light path coupler according to claim 1, it is characterised in that：The light returned by optical fiber is length
The glistening light of waves, photodiode efficiently can be entered by light splitting piece.
A kind of 4. single fiber bi-directional light path coupler according to claim 1, it is characterised in that：Plastics rigid gasket and quartz
Connected between optical lens using caoutchouc elasticity packing ring, flexibility when enhancing optical lens is fixed.
A kind of 5. single fiber bi-directional light path coupler according to claim 1, it is characterised in that：Fixing threaded hole is semicircle,
Facilitate the fixation of screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721205275.4U CN207198382U (en) | 2017-09-20 | 2017-09-20 | A kind of single fiber bi-directional light path coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721205275.4U CN207198382U (en) | 2017-09-20 | 2017-09-20 | A kind of single fiber bi-directional light path coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207198382U true CN207198382U (en) | 2018-04-06 |
Family
ID=61789975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721205275.4U Expired - Fee Related CN207198382U (en) | 2017-09-20 | 2017-09-20 | A kind of single fiber bi-directional light path coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207198382U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110966524A (en) * | 2019-12-13 | 2020-04-07 | 重庆美迪舸科技有限公司 | Bidirectional luminous optical fiber lamp |
| CN113670470A (en) * | 2021-08-13 | 2021-11-19 | 西安和其光电科技股份有限公司 | Novel optical fiber temperature measurement module |
-
2017
- 2017-09-20 CN CN201721205275.4U patent/CN207198382U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110966524A (en) * | 2019-12-13 | 2020-04-07 | 重庆美迪舸科技有限公司 | Bidirectional luminous optical fiber lamp |
| CN113670470A (en) * | 2021-08-13 | 2021-11-19 | 西安和其光电科技股份有限公司 | Novel optical fiber temperature measurement module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 310000 Room 301, floor 3, No. 188-6, Xinghai South Road, Chongxian street, Yuhang District, Hangzhou City, Zhejiang Province Patentee after: ZHEJIANG ZHICHONG ELECTRIC POWER TECHNOLOGY Co.,Ltd. Address before: Room 307, building No. 2, canal industrial building, No. 99, Xiangyuan Road, Gongshu District, Gongshu District, Zhejiang Patentee before: ZHEJIANG ZHICHONG ELECTRIC POWER TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180406 Termination date: 20210920 |