CN2700899Y - Single optical cable three-dimensional photoelectric assembly - Google Patents
Single optical cable three-dimensional photoelectric assembly Download PDFInfo
- Publication number
- CN2700899Y CN2700899Y CN 200420017895 CN200420017895U CN2700899Y CN 2700899 Y CN2700899 Y CN 2700899Y CN 200420017895 CN200420017895 CN 200420017895 CN 200420017895 U CN200420017895 U CN 200420017895U CN 2700899 Y CN2700899 Y CN 2700899Y
- Authority
- CN
- China
- Prior art keywords
- light splitting
- signal detector
- splitting piece
- light
- fixed
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Optical Couplings Of Light Guides (AREA)
Abstract
The utility model relates to a single optical cable three-dimensional photoelectric assembly, comprising a laser, a digital signal detector and an analogical wired television signal detector. The laser is fixed on one horizontal side of a main metallic structure member (a circular and rectangular pipe body) while an optical fibre is fixed on the other horizontal side of the main metallic structure member. The analogical wired television signal detector and the digital signal detector are separately fixed on the upper and the lower side of the main metallic structure member. The input ends of the analogical wired television signal detector and the digital signal detector are separately fixed with a lens. The utility model is characterized in that two light splitting piece are also fixed on the axle between the laser and the optical fibre. The reflecting light of the two light splitting piece are correspondingly coupled to the pipe cores of the analogical wired television signal detector and the digital signal detector. The utility model uses the method of double embedded pieces with 45 degrees light splitting piece, double lenses and a single lens, and realizes the function of a single optical cable three-dimensional photoelectric assembly. The utility model has the advantages of compact structure, low cost and good stability.
Description
Technical field
The utility model belongs to the active photoelectric device class of optical fiber communication product, particularly a kind of single fiber three-way photoelectric subassembly.
Background technology
Along with people to the speed of information requirement and improving constantly of quantity, transmitting speed and capacity are also increasing thereupon in the communication.Thus, the transmission mode of traditional cable can not satisfy the needs of communication.The generation of optical communication is the revolution of the communications field, and it has overcome shortcomings such as the speed of traditional cable transmission is slow, distorted signals is serious, capacity is little.At present, its major obstacle that faces is exactly a cost.Product on the market is the unidirectional or single fiber bi-directional device of single fiber mostly now, that is to say the transmission that can only realize one to two wavelength on an optical fiber.Because the user not only needs the uplink and downlink signals of phone and online in daily life, and needs the downgoing signal of CATV (cable television), therefore realize that the three-wavelength transmitted in both directions is the trend and direction of present technical development.
Summary of the invention
The purpose of this utility model provides a kind of single fiber three-way photoelectric subassembly that can realize the transmission of three kinds of wavelength, both direction on an optical fiber, to overcome above-mentioned deficiency.
To achieve these goals, the utility model is by a laser instrument, a digital signal sensor, the cable TV signal detector of a simulation constitutes, wherein laser instrument is fixed on level one side of main hardware (round and square tube body), optical fiber is fixed on the horizontal opposite side of main hardware, the both sides up and down that the cable TV signal detector of simulation and digital signal detector are separately fixed at main hardware, the cable TV signal detector of simulation and the light input end of digital signal detector are fixed with lens respectively, be characterized in: also be fixed with two light splitting pieces on the axis between laser instrument and the optical fiber, the reflected light of two light splitting pieces is coupled to respectively on the tube core of cable TV signal detector of digital signal detector and simulation accordingly;
The wave band of the light that above-mentioned laser instrument (1) sends is 1310nm (1260nm～1360nm), the wave band that analog catv detector (2) is surveyed is that (1540nm～1565nm), the wave band that digital signal detector (3) is surveyed are 1490nm (148nm～1500nm) to 1550nm;
The light output end of above-mentioned laser instrument is fixed with lens;
Light input (output) end of above-mentioned optical fiber is fixed with a globe lens;
Above-mentioned light splitting piece adopts 45 ° of light splitting pieces;
Also be fixed with 0 ° of light splitting piece between above-mentioned 45 ° of light splitting pieces and the corresponding detector respectively;
The utility model adopts two 45 ° of light splitting pieces to be bumped into part, double lens, signal-lens mode can make the compact conformation of product, low, the good stability of cost when realizing the single fiber three-way assembly function.
Description of drawings
Fig. 1 is the utility model embodiment 1 principle schematic.
Fig. 2 is the utility model embodiment 2 principle schematic.
Fig. 3 is the utility model embodiment 3 principle schematic.
Fig. 4 is the utility model embodiment 4 principle schematic.
Fig. 5 is a structural representation of the present utility model.
Fig. 6 is the utility model light splitting piece anchor structure synoptic diagram.
Fig. 7 is that the A-A of Fig. 6 is to view.
Fig. 8 is the left view of Fig. 7.
Fig. 9 is that the B of Fig. 6 is to view.
Among the figure: the 1-laser instrument, the cable TV signal detector of 2-simulation, 3-digital signal detector, 4-optical fiber, 5-simulating signal finder lens, 6-digital signal finder lens, 7-45 ° of light splitting piece, 8-45 ° of light splitting piece, the 9-laser lens, the 10-optical fiber lens, 0 ° of light splitting piece of 11-simulating signal detector, 0 ° of light splitting piece of 12-digital signal detector, 13-master's hardware (round and square tube body), 14-light splitting piece fixture, 14.1-45 ° groove, 14.2-horizontal open-work, 14.3-vertical open-work, the 15-pilot hole, the 16-shaft collar.
Embodiment
The utility model will be further described below in conjunction with drawings and Examples.
The utility model possesses the cable TV signal detector 2 of a laser instrument 1, a digital signal sensor 3 and a simulation, and laser instrument 1 luminous wave band is λ
1, the wave band surveyed of digital signal detector 3 is λ
2, the wave band surveyed of the cable TV signal detector 2 of simulation is λ
3In addition, the utility model mode of having adopted two 45 ° of light splitting pieces to be bumped into part, globe lens or non-globe lens structurally is achieved this product.It is that two 45 ° of light splitting pieces are fixed on the light splitting piece fixture 14 that two 45 ° of light splitting pieces are bumped into part, and the mode that is bumped into the side is fixed on the device master hardware 13 (round and square tube body).The light signal that laser instrument 1 sends directly is coupled into optical fiber 4 by two 45 ° of light splitting pieces; And be coupled to respectively on two detectors 2,3 through light splitting piece 8 and light splitting piece 7 by optical fiber 4 receiving optical signals.
Embodiment 1: two globe lens modes 1
Two globe lens modes be will send from laser instrument 1 light carry out twice focusing through 8,7 and two globe lenss 9,10 of light splitting piece and enter optical fiber 4; The light that enters from optical fiber 4 also passes through twice focusing of light splitting piece 7 (8) beam split and two lens 10,5 (6) equally, is coupled on the tube core of detector 2 (3).
Its principle is: aspect laser instrument 1, and the λ that sends from laser instrument 1 tube core
1Light through laser instrument globe lens 9 carry out focusing on first time the back by light splitting piece 8 and light splitting piece 7 twice transmission after, carry out the focusing second time by optical fiber globe lens 10 again, be coupled into optical fiber 4.
Aspect detector, the cable TV signal detector 2 of simulation receives λ
3Cable TV signal, the λ that comes out from optical fiber 4
3Light process:
1) optical fiber globe lens 10 carries out focusing on the first time;
2) through light splitting piece 7 reflections;
3) enter cable TV signal detector 2 tube cores of simulation after being undertaken focusing on for the second time by simulating signal detector globe lens 5.
Digital signal detector 3 receives λ
2Digital signal, the λ that comes out from optical fiber 4
2Light process:
1) optical fiber globe lens 10 carries out focusing on the first time;
2) through light splitting piece 7 transmissions, light splitting piece 8 reflections;
3) undertaken entering digital signal detector 3 tube cores after the focusing second time by digital signal detector globe lens 6.
Embodiment 2: single globe lens mode
With single globe lens mode is that the light that will send from laser instrument 1 focuses on the optical fiber 4 through light splitting piece and a laser instrument globe lens 9, and the light that receives from optical fiber 4 also only focuses on the tube core of detector through light splitting piece and a globe lens.
Its principle is: aspect laser instrument, and the λ that sends from laser instrument 1 tube core
1Light through laser instrument globe lens 9 focus on the back by light splitting piece 8 and light splitting piece 7 twice transmission after, be coupled into optical fiber 4.
Aspect detector, the cable TV signal detector 2 of simulation receives λ
3Cable TV signal, the λ that comes out from optical fiber 4
3Light through light splitting piece 7 reflection after, focus on by simulating signal detector globe lens 5 on the tube core of cable TV signal detector 2 of simulation; Digital signal detector 3 receives λ
2Digital signal, the λ that comes out from optical fiber 4
2Light by 8 reflections of light splitting piece 7 transmissions and light splitting piece after, focus on the tube core of digital signal detector 3 by digital signal detector globe lens 6 again.
Embodiment 3: the mode of single non-globe lens
Mode with single non-globe lens is that the light that will send from laser instrument focuses on the optical fiber through light splitting piece and non-globe lens, and this mode can increase the coupling efficiency of device and increase focal length.
Its principle is: aspect laser instrument, and the λ that sends from laser instrument 1 tube core
1Light through the non-globe lens of laser instrument 9 focus on the back by light splitting piece 8 and light splitting piece 7 twice transmission after, be coupled into optical fiber 4.
Aspect detector, the cable TV signal detector 2 of simulation receives λ
3Cable TV signal, the λ that comes out from optical fiber 4
3Light through light splitting piece 7 reflection after, focus on by simulating signal detector globe lens 5 on the tube core of cable TV signal detector 2 of simulation; Digital signal detector 3 receives λ
2Digital signal, the λ that comes out from optical fiber 4
2Light by 8 reflections of light splitting piece 7 transmissions and light splitting piece after, focus on the tube core of digital signal detector 3 by digital signal detector globe lens 6 again.
Embodiment 4: non-globe lens adds the globe lens mode
Adding the globe lens mode with non-globe lens is that the light that will send from laser instrument 1 adds that through 8,7 and non-globe lenss 9 of light splitting piece a globe lens 10 carries out twice focusing and enters optical fiber 4; The light that enters from optical fiber 4 is coupled on the tube core of detector 2 (3) through twice focusing of 7 (8) and two globe lenss of light splitting piece 10,5 (6).
Its principle is: aspect laser instrument 1, and the λ that sends from laser instrument 1 tube core
1Light through laser instrument non-globe lens 9 carry out focusing on first time the back by light splitting piece 8 and light splitting piece 7 twice transmission after, carry out the focusing second time by optical fiber globe lens 10 again, be coupled into optical fiber 4.
Aspect detector, the cable TV signal detector 2 of simulation receives λ
3Cable TV signal, the λ that comes out from optical fiber 4
3Light process:
1) optical fiber globe lens 10 carries out focusing on the first time;
2) through light splitting piece 7 reflections;
3) enter cable TV signal detector 2 tube cores of simulation after being undertaken focusing on for the second time by simulating signal detector globe lens 5.
Digital signal detector 3 receives λ
2Digital signal, the λ that comes out from optical fiber 4
2Light process:
1) optical fiber globe lens 10 carries out focusing on the first time;
2) through light splitting piece 7 transmissions, light splitting piece 8 reflections;
3) undertaken entering digital signal detector 3 tube cores after the focusing second time by digital signal detector globe lens 6.
Two light splitting pieces of the present utility model stick with glue on light splitting piece fixture 14, light splitting piece fixture 14 is cylindrical metal part, open 45 ° of grooves 14.1 respectively in the corresponding both sides of cylindrical metal part, open a horizontal open-work 14.2 at the horizontal axis of groove, two light splitting pieces stick with glue respectively on the hole of two grooves, a vertical open-work 14.3 is opened on the edge fixedly vertical axial in light splitting piece 8 holes on the spherical metal part, light splitting piece fixture 14 is fixed on the round and square tube body 13 by a shaft collar 16; On light splitting piece fixture 14, also have a pilot hole 15, this pilot hole matches with pilot hole on the round and square tube body 13, adopt the mode of interference fit that light splitting piece fixture 14 is pressed in the round and square tube body 13 during installation, adopt the mode of interference fit to be pressed into the pilot hole place of light splitting piece fixture 14 with register pin, position and compress.
Claims (9)
1, a kind of single fiber three-way photoelectric subassembly, sending wave band by one is λ
1Laser instrument (1), a detecting band be λ
2Digital signal detector (3), a detecting band be λ
3The cable TV signal detector (2) of simulation constitute, wherein laser instrument (1) is fixed on level one side of main hardware (13), the horizontal opposite side fixed fiber (4) of main hardware (13), the both sides up and down that the cable TV signal detector (2) of simulation and digital signal detector (3) are separately fixed at main hardware (13), it is characterized in that: also be fixed with light splitting piece (7) and light splitting piece (8) on the axis between laser instrument (1) and the optical fiber (4), the fixed position of light splitting piece (7) and light splitting piece (8) can make reflected light be coupled to accordingly respectively on the tube core of the cable TV signal detector (2) of simulation and digital signal detector (3).
2, single fiber three-way photoelectric subassembly as claimed in claim 1, it is characterized in that: the wave band of the light that laser instrument (1) sends is 1310nm (1260nm～1360nm), the wave band that analog catv detector (2) is surveyed is that (1540nm～1565nm), the wave band that digital signal detector (3) is surveyed are 1490nm (1480nm～1500nm) to 1550nm.
3, single fiber three-way photoelectric subassembly as claimed in claim 1, it is characterized in that: the light output end of laser instrument (1) is fixed with lens (9), and the cable TV signal detector (2) of simulation and the light input end of digital signal detector (3) are fixed with lens (5), (6) respectively.
4, single fiber three-way photoelectric subassembly as claimed in claim 1 is characterized in that: the light of optical fiber (4) inputs or outputs end and is fixed with lens (10).
5, single fiber three-way photoelectric subassembly as claimed in claim 1 is characterized in that: light splitting piece (7) and light splitting piece (8) adopt 45 ° of light splitting pieces.
6, as claim 1 or 4 described single fiber three-way photoelectric subassemblys, it is characterized in that: also be fixed with one 0 ° light splitting piece (11), (12) between 45 ° of light splitting pieces and the corresponding detector respectively.
7, single fiber three-way photoelectric subassembly as claimed in claim 1, it is characterized in that: light splitting piece (7) and light splitting piece (8) stick with glue on a light splitting piece fixture (14), light splitting piece fixture (14) is a cylindrical metal part, open one 45 ° grooves (14.1) respectively in the corresponding both sides of cylindrical metal part, open a horizontal open-work (14.2) at the horizontal axis of groove (14.1), two light splitting pieces stick with glue respectively on the hole of two grooves, and a vertical open-work (14.3) is opened on the edge fixedly vertical axial in light splitting piece (8) hole on cylindrical metal part.
8, single fiber three-way photoelectric subassembly as claimed in claim 6 is characterized in that: light splitting piece fixture (14) is fixed on the main hardware (13) by a shaft collar (16).
9, single fiber three-way photoelectric subassembly as claimed in claim 6 is characterized in that: also have a pilot hole (15) on light splitting piece fixture (14), this pilot hole (15) matches with pilot hole on the main hardware (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420017895 CN2700899Y (en) | 2004-04-26 | 2004-04-26 | Single optical cable three-dimensional photoelectric assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420017895 CN2700899Y (en) | 2004-04-26 | 2004-04-26 | Single optical cable three-dimensional photoelectric assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2700899Y true CN2700899Y (en) | 2005-05-18 |
Family
ID=34769253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420017895 Expired - Lifetime CN2700899Y (en) | 2004-04-26 | 2004-04-26 | Single optical cable three-dimensional photoelectric assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2700899Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526760A (en) * | 2015-09-09 | 2017-03-22 | 深圳市华宜达通信设备有限公司 | Tunable receiving and transmitting integrated optical assembly with link polarized light monitoring function |
-
2004
- 2004-04-26 CN CN 200420017895 patent/CN2700899Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526760A (en) * | 2015-09-09 | 2017-03-22 | 深圳市华宜达通信设备有限公司 | Tunable receiving and transmitting integrated optical assembly with link polarized light monitoring function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2766254Y (en) | Novel single-fiber bidirectional device | |
| CN1771448A (en) | Apparatus for improved fiber optic coupling efficiency | |
| CN1677146A (en) | Fiber collimating lenses and method | |
| CN1419657A (en) | Optical system including coupler for transmitting light between a single fiber light guide and multiple single fiber light guides | |
| CN1221093C (en) | Optic coupling for two-way optic communication | |
| CN1570688A (en) | Single fiber three way photoelectric assembly | |
| CN2700899Y (en) | Single optical cable three-dimensional photoelectric assembly | |
| CN1455529A (en) | Optical component for bidirectional optical communication | |
| CN101446668A (en) | Light communication light receiver aerial in free-space | |
| CN203950058U (en) | A kind of single fiber bi-directional optics assembly of low cost miniaturization | |
| CN201837745U (en) | Miniaturized SFP (small form-factor pluggable) single-fiber bidirectional photoelectric transceiving integrated module component | |
| CN1641388A (en) | Optical module | |
| CN2716853Y (en) | Single-fiber two-way receiving and transmitting integrated module | |
| CN2513127Y (en) | Single-fiber bidirectional transceiver module | |
| CN1217214C (en) | Optical component, light receiving-transmitting device using same, and other optical device | |
| AU649193B2 (en) | Single mode optical fiber device including a short lens optical fiber | |
| CN2676502Y (en) | Three-port single-fiber bidirectional device | |
| JPS6181621U (en) | ||
| CN2869692Y (en) | Solar optical collection apparatus | |
| CN2842456Y (en) | Single fiber 3-way photoelectric assembly | |
| CN211528767U (en) | Optical assembly and system thereof | |
| CN2874355Y (en) | Solar energy optic collecting structure | |
| CN2735363Y (en) | Photoelectric hybrid optical fibre rotary connector for dynamic data transmission | |
| CN2525543Y (en) | Improved duplex transmit-recieve module set | |
| CN203287567U (en) | Coaxial single-fiber bidirectional device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140426 Granted publication date: 20050518 |