CN2710258Y - Multi-function low-cost single-fibre three-phase component - Google Patents
Multi-function low-cost single-fibre three-phase component Download PDFInfo
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- CN2710258Y CN2710258Y CNU2004200236139U CN200420023613U CN2710258Y CN 2710258 Y CN2710258 Y CN 2710258Y CN U2004200236139 U CNU2004200236139 U CN U2004200236139U CN 200420023613 U CN200420023613 U CN 200420023613U CN 2710258 Y CN2710258 Y CN 2710258Y
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Abstract
The utility model discloses a multi-function low-cost single-fibre three-phase component which comprises a mechanical piece component. The utility model is characterized in that one side end of the mechanical piece component is provided with a laser. The mechanical piece components on both sides of the laser are separately provided with a video receiving component and a digital light receiving component. The other side end of the assembly mechanical member namely the side relative to the laser, is provided with an optical fibre ceramic insertion core. The proper position on the front side of the laser and the front side ends of the video receiving component, the digital light receiving component and the optical fibre ceramic insertion core, are separately provided with a lens. The front end of each lens is provided with an optical film-coating component. The outside end of the optical fibre ceramic insertion core is provided with a tail fiber component. A ceramic casing pipe can also be arranged on the outer side of the optical fibre ceramic insertion core, and an optical connector is arranged on the outer side of the component mechanical member. The optical connector is provided with the ceramic casing pipe. The utility model has the advantages of mutifuncion of video, data and audio and simple optical circuit.
Description
Technical field
The utility model relates to a kind of fiber optic telecommunications equipment, relates in particular to a kind of multi-functional low-cost single fiber three-dimensional assembly of fiber-to-the-home.
Background technology
Along with science and technology development, electric equipment products and video equipment have entered family, become people's indispensable part of living.But accomplish that communication and data with good quality transmit, and adopt fiber optic telecommunications equipment to finish usually.For the application scenario of fiber-to-the-home, in fiber optic telecommunications equipment, can adopt simple optical fiber can finish multiple communication functions such as video, data and speech.
The design of prior art simple optical fiber communication device such as single fiber three-way assembly has two kinds of methods: a kind of is to adopt circulator, another kind is to adopt the collimater scheme of (comprise optical fiber collimator, even launch LD laser diode collimater and receive PD photodiode collimater).Though the single fiber three-way assembly of circulator or collimater scheme can be finished multiple communications such as video, data and speech, but the defective of Cun Zaiing is in actual use, cost an arm and a leg, thereby limited the application of fiber optic telecommunications equipment, stop fiber optic telecommunications equipment to enter the paces of family, influenced the communication of home theater and the change process that video is realized update.
Summary of the invention
The purpose of this utility model is to provide a kind of improved multi-functional low-cost single fiber three-dimensional assembly, it had both had the multiple communication functions such as video, data and speech of high-quality, and light path design with advantages of simple, make to produce in enormous quantities and become possibility, thereby the low cost of realization is for fiber-to-the-home provides condition.
The purpose of this utility model is achieved in that
A kind of multi-functional low-cost single fiber three-dimensional assembly, comprising: the assembly mechanical parts is characterized in:
Side at described assembly mechanical parts is provided with a laser; An one video reception assembly and a digital light receiving unit are set respectively on the assembly mechanical parts of laser both sides, are that the relative side of laser is provided with an optical fiber ceramic lock pin at another side of assembly mechanical parts; In appropriate location, laser front side and in the front side end of video reception assembly, digital light receiving unit and optical fiber ceramic lock pin one lens are set respectively; Front end at four lens is provided with an optical coating element respectively; The pigtail assembly that is provided with at the outboard end of optical fiber ceramic lock pin.
In above-mentioned multi-functional low-cost single fiber three-dimensional assembly, wherein, at the arranged outside porcelain bushing of described optical fiber ceramic lock pin, at arranged outside one optical connector of assembly mechanical parts, this optical connector is placed in porcelain bushing wherein.
In above-mentioned multi-functional low-cost single fiber three-dimensional assembly, wherein, described laser is the semiconductor laser that the front side of a coaxial encapsulation is provided with lens.
In above-mentioned multi-functional low-cost single fiber three-dimensional assembly, wherein, the light path of described single fiber three-way assembly is, semiconductor laser emission bright dipping, lens through being positioned at laser front side and coaxial packaging are launched the light that light form to focus on laser, are converged in the fiber cores of optical fiber ceramic lock pin by lens after the focusing of lens and two optical coating element transmissions again; Video reception light from the optical fiber ceramic lock pin, come out after the lens lens converge reflection with the optical coating element, converge to the reception of video optical fiber receive module through the optical coating element back of filtering by lens again; Digital signal receive that light comes out from the optical fiber ceramic lock pin after the lens lens converge with through the transmission of optical coating element, converge to the reception of digital light receiving unit through the optical coating element back of filtering by lens again.
In above-mentioned multi-functional low-cost single fiber three-dimensional assembly, wherein, a described optical coating element adopts the broadband light splitting piece in proportion wavelength 1310 nanometers to be received and the emission of wavelength 1310 nanometers separates, described three optical coating elements in addition adopt WDM wavelength division multiplexing boundary filter, form the dual wavelength three-dimensional transmission of 1310/1310/1550nm nanometer.
In above-mentioned multi-functional low-cost single fiber three-dimensional assembly, wherein, described four optical coating elements adopt CWDM Coarse Wavelength Division Multiplexing filter to separate the light of different wave length, form the three-wavelength three-dimensional transmission of 1310/1490/1550nm nanometer.
The multi-functional low-cost single fiber three-dimensional assembly of the utility model makes it compared with prior art owing to adopted above-mentioned technical scheme, has following advantage and good effect:
1. the utility model is owing to adopt wave division multiplexing WDM wavelength-division multiplex technique or co-wavelength transmitted in both directions technology, with custom-designed assembly mechanical parts with optical coating sheet, low-cost lens, the component-assembled such as coaxial packaging semiconductor laser, optical fiber receive module, optical fiber ceramic lock pin and tail optical fiber that contain lens are one, form the fiber optic telecommunications equipment of energy fiber-to-the-home;
2. the utility model is owing to set gradually porcelain bushing and optical connector outside the optical fiber ceramic lock pin, thereby the utility model can be made into the optical fiber communication assembly of the higher plug-in of integrated level;
3. the utility model is because the different requirements of energy communication system dual wavelength and three-wavelength, optical coating sheet with wavelength-division multiplex technique or co-wavelength transmitted in both directions art designs broadband dichroism, thereby the light that can separate different wave length makes it to have the several data transmitting functions that adapt to the different requirements of communication system;
4. the utility model is owing to adopt a plurality of lens cheaply to replace all expensive optical passive components of prior art fiber optic telecommunications equipment, it does not only cause tangible deterioration yet aspect performance index, and the simple cost of light path is low, making to produce in enormous quantities becomes possibility, for realizing that fiber-to-the-home provides condition.
Description of drawings
By the description of following some embodiment to the multi-functional low-cost single fiber three-dimensional assembly of the utility model, can further understand the purpose of this utility model, specific structural features and advantage in conjunction with its accompanying drawing.Wherein, accompanying drawing is:
Fig. 1 is the structural representation of first embodiment of the multi-functional low-cost single fiber three-dimensional assembly of the utility model;
Fig. 2 is the structural representation of the second embodiment plug type assembly of the multi-functional low-cost single fiber three-dimensional assembly of the utility model.
Embodiment
See also shown in Figure 1ly, this is the structural representation of first embodiment of the multi-functional low-cost single fiber three-dimensional assembly of the utility model.The multi-functional low-cost single fiber three-dimensional assembly of the utility model, by constituting: an assembly mechanical parts 11 with lower member, side at assembly mechanical parts 11 is provided with a laser 6, and in the present embodiment, what laser 6 adopted is the semiconductor laser 6 of band coaxial packaging lens; An one video reception assembly 7 and a digital light receiving unit 8 are set respectively on the assembly mechanical parts 11 of laser 6 both sides, are that the relative side of laser (6) is provided with an optical fiber ceramic lock pin 9 at another side of assembly mechanical parts 11; One lens 5-1 is set in appropriate location, laser 6 front side, one lens 5-2 is set, one lens 5-3 is set, one lens 5-4 is set in optical fiber ceramic lock pin 9 front side end in digital light receiving unit 8 front side end front side end in video reception assembly 7 front side end, in the present embodiment, four lens all adopt is ordinary optical lens cheaply; Outboard end at optical fiber ceramic lock pin 9 is provided with a pigtail assembly 10.
Please in conjunction with figure referring to shown in Figure 2, this is the structural representation of the second embodiment plug type assembly of the multi-functional low-cost single fiber three-dimensional assembly of the utility model.What present embodiment was different with above-mentioned first embodiment is,
The outside at described optical fiber ceramic lock pin 9 is not provided with pigtail assembly 10, but porcelain bushing 12 is set, and at arranged outside one optical connector 13 of assembly mechanical parts 11, this optical connector 13 is placed in porcelain bushing 12 wherein.The setting of porcelain bushing 12 and optical connector 13 can make the utility model form the higher plug-in single fiber three-way assembly of integrated level thus.
The utility model is the application scenario that is used for fiber-to-the-home, different requirements according to communication system, mainly can be divided into dual wavelength and three-wavelength two classes, dual wavelength is 1310/1310/1550, three-wavelength is 1310/1490/1550, they all adopt the coaxial packaging semiconductor laser of 1310nm nanometer to do the digital transmission light source, adopt the optical fiber receive module of 1550nm nanometer to do video reception; Difference is that the digital received of dual wavelength assembly is the 1310nm nanometer, and the digital received of three-wavelength assembly is the 1490nm nanometer.
For this reason, the utility model adopts the broadband light splitting piece to receive 1310 in proportion the dual wavelength assembly and 1310 emissions separate, and all adopts CWDM Coarse Wavelength Division Multiplexing filter to separate the light of different wave length the three-wavelength assembly; Thereby can in same assembly, finish the communication of different wave length and the transmission of data-signal.Wherein,
Optical coating element 1 is adopted the broadband light splitting piece, and in proportion reception of wavelength 1310 nanometers and the emission of wavelength 1310 nanometers are separated, and optical coating element 2,3,4 usefulness WDM wavelength division multiplexing boundary filters form the dual wavelength three-dimensional transmission of 1310/1310/1550nm nanometer;
All adopt CWDM Coarse Wavelength Division Multiplexing filter to separate the light of different wave length optical coating element 1,2,3,4, form the three-wavelength three-dimensional transmission of 1310/1490/1550nm nanometer.
Therefore, light path of the present utility model and operation principle thereof are:
In sum, the multi-functional low-cost single fiber three-dimensional assembly of the utility model is assembled into one with custom-designed each device of assembly mechanical parts owing to adopt wavelength division multiplexing or co-wavelength transmitted in both directions technology, forms the fiber optic telecommunications equipment of energy fiber-to-the-home; Simultaneously, owing to outside the optical fiber ceramic lock pin, set gradually porcelain bushing and optical connector, thus can be made into the optical fiber communication assembly of the higher plug-in of integrated level; In addition, because the different requirements of energy communication system dual wavelength and three-wavelength, the optical coating sheet of design broadband dichroism separates the light of different wave length, makes it to have the transmitting function of several data; And, owing to adopt low-cost lens to replace all expensive optical passive components of prior art fiber optic telecommunications equipment, and the simple cost of light path is low, and for producing in enormous quantities and realizing that fiber-to-the-home provides condition, therefore very practical.
Claims (6)
1. multi-functional low-cost single fiber three-dimensional assembly, comprising: assembly mechanical parts (11) is characterized in that:
Side at described assembly mechanical parts (11) is provided with a laser (6); An one video reception assembly (7) and a digital light receiving unit (8) are set respectively on the assembly mechanical parts (11) of laser (6) both sides, are that the relative side of laser (6) is provided with an optical fiber ceramic lock pin (9) at another side of assembly mechanical parts (11); In laser (6) appropriate location, front side and in the front side end of video reception assembly (7), digital light receiving unit (8) and optical fiber ceramic lock pin (9) lens (5-1,5-2,5-3,5-4) are set respectively; Front end at four lens (5-1,5-2,5-3,5-4) is provided with an optical coating element (1,2,3,4) respectively; The pigtail assembly (10) that is provided with at the outboard end of optical fiber ceramic lock pin (9).
2. multi-functional low-cost single fiber three-dimensional assembly as claimed in claim 1, it is characterized in that: at the arranged outside porcelain bushing (12) of described optical fiber ceramic lock pin (9), at arranged outside one optical connector (13) of assembly mechanical parts (11), this optical connector (13) is placed in porcelain bushing (12) wherein.
3. multi-functional low-cost single fiber three-dimensional assembly as claimed in claim 1 is characterized in that: described laser (6) is the semiconductor laser (6) that the front side of a coaxial encapsulation is provided with lens.
4. as claim 1 or 3 described multi-functional low-cost single fiber three-dimensional assemblies, it is characterized in that: the light path of described single fiber three-way assembly is, semiconductor laser (6) emission bright dipping, lens through being positioned at laser (6) front side and coaxial packaging form the light that focuses on laser (6) emission light, are converged in the fiber cores of optical fiber ceramic lock pin (9) by lens (5-4) after the focusing of lens (5-1) and optical coating element (2 and 1) transmission again; Video reception light from optical fiber ceramic lock pin (9), come out after lens lens (5-4) converge reflection with optical coating element (1), converge to video optical fiber receive module (7) reception through optical coating element (3) back of filtering by lens (5-2) again; Digital signal receive that light comes out from optical fiber ceramic lock pin (9) after lens lens (5-4) converge with through optical coating element (1) transmission, converge to digital light receiving unit (8) reception through optical coating element (4) back of filtering by lens (5-3) again.
5. as claim 1 or 3 described multi-functional low-cost single fiber three-dimensional assemblies, it is characterized in that: described optical coating element (1) adopts the broadband light splitting piece in proportion wavelength 1310 nanometers to be received and the emission of wavelength 1310 nanometers separates, described optical coating element (2,3,4) adopts the wavelength division multiplexing boundary filter, forms the dual wavelength three-dimensional transmission of 1310/1310/1550 nanometer.
6. as claim 1 or 3 described multi-functional low-cost single fiber three-dimensional assemblies, it is characterized in that: described optical coating element (1,2,3,4) adopts the Coarse Wavelength Division Multiplexing filter to separate the light of different wave length, forms the three-wavelength three-dimensional transmission of 1310/1490/1550 nanometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200236139U CN2710258Y (en) | 2004-06-10 | 2004-06-10 | Multi-function low-cost single-fibre three-phase component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200236139U CN2710258Y (en) | 2004-06-10 | 2004-06-10 | Multi-function low-cost single-fibre three-phase component |
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| Publication Number | Publication Date |
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| CN2710258Y true CN2710258Y (en) | 2005-07-13 |
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| CNU2004200236139U Expired - Fee Related CN2710258Y (en) | 2004-06-10 | 2004-06-10 | Multi-function low-cost single-fibre three-phase component |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100414333C (en) * | 2006-07-07 | 2008-08-27 | 中山大学 | A single fiber three-way wave separator/wave combination device |
-
2004
- 2004-06-10 CN CNU2004200236139U patent/CN2710258Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100414333C (en) * | 2006-07-07 | 2008-08-27 | 中山大学 | A single fiber three-way wave separator/wave combination device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI ANGTAI OPTO-ELECTRICAL TECHNOLOGY CO., L Free format text: FORMER OWNER: SHANGHAI ANGTAI COMMUNICATION TECHNOLOGY CO., LTD. Effective date: 20060602 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20060602 Address after: 201400 Shanghai city Fengxian District Town Road No. 955 South Bridge Patentee after: Ankang Jinsheng Drying Plant Technology Co., Ltd. Address before: 200092 room 38, building 306, eight village, Yangpu District, Shanghai, Anshan Patentee before: Shanghai Angtai Communication Technology Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050713 Termination date: 20110610 |