CN103138831A - Light protection switch unit with 3R amplifying function - Google Patents
Light protection switch unit with 3R amplifying function Download PDFInfo
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- CN103138831A CN103138831A CN2013100878543A CN201310087854A CN103138831A CN 103138831 A CN103138831 A CN 103138831A CN 2013100878543 A CN2013100878543 A CN 2013100878543A CN 201310087854 A CN201310087854 A CN 201310087854A CN 103138831 A CN103138831 A CN 103138831A
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- optical fiber
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Abstract
The invention discloses a light protection switch unit with a 3R amplifying function, and the light protection switch unit with the 3R amplifying function comprises a light power amplifying module, a light power monitoring module and a light way automatic protection module. The light power amplifying module conducts 3R regeneration amplification and graining on a received light 10G/2.5G signal, small part of light power of the amplified signal enters the light power monitoring module to obtain an on-line monitored light power result, most light power of the amplified signal enters the light way automatic protection module, meanwhile, the light power monitoring module transfers the on-line monitored light power result to the light way automatic protection module, the light way automatic protection module selects an proper optical fiber to transfer the most light power, and finally most light power are output from the light way automatic protection module. The light protection switch unit with the 3R amplifying function is simple in structure, convenient to use, guarantees non-blocking of communication service by automatically switching the transfer optical fiber, achieves 3R amplification of light through the light power amplification module, and offsets big insertion loss when light is switched.
Description
Technical field
The present invention relates to the fiber optic protection apparatus field, specifically a kind of light protection switch unit with 3R enlarging function.
Background technology
At present, only having external several company to have the ability of researching and producing fiber optic protection equipment, is mainly JDS, E-TEK, Dicon etc., and the function that does not have light path 3R to amplify; Affect the use of product due to Insertion Loss.Along with the fast development of optical communication technique, the especially development of all-optical communication network technology, the demand of fiber optic protection equipment (comprising domestic demand) will increase sharply.Exploitation all has the meaning of particular importance with the fiber optic protection equipment of enlarging function for reduction network node construction and upgrade cost, raising network operation reliability and safe capability to resist destruction.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of light protection switch unit of the 3R of having enlarging function, can consist of simply, economically the standby usage system of various paths, main line and the network that various different purpose needs light path to switch.
Technical scheme of the present invention is:
light protection switch unit with 3R enlarging function, include the luminous power amplification module, optical power monitoring module and light path automatic protection module, the light 10G/2.5G signal 3R regenerative amplification gain that described luminous power amplification module will receive, the fraction luminous power of amplified signal enters the luminous power result that optical power monitoring module obtains on-line monitoring, most of luminous power of amplified signal light path automatic protection module to be entered, optical power monitoring module is transferred to the light path automatic protection module with the luminous power result of on-line monitoring simultaneously, then the selected appropriate optical fibers of light path automatic protection module is carried most of luminous power, final most of luminous power is exported from the light path automatic protection module.
Described optical power monitoring module includes PIN photo-detector, programmable filter, A/D converter and the microprocessor that connects in turn, and described programmable filter is connected with microprocessor, and described light path automatic protection module is connected with microprocessor.
The light protection switch unit of the described 3R of having enlarging function also includes the power down automatic protection module that is connected with the light path automatic protection module, and described most of luminous power is exported from the power down automatic protection module by after the light path automatic protection module.
The light of the described 3R of having enlarging function protection switch unit also includes the panel control that is connected with described microprocessor respectively and display module, serial communication modular, network interface communication module.
Be connected with Tx optical fiber input interface and Tx optical fiber output interface on described luminous power amplification module; be connected with Rx optical fiber input interface and Rx optical fiber output interface on described light path automatic protection module; described Tx optical fiber output interface is connected with Rx optical fiber input interface, PIN photo-detector respectively; described Tx optical fiber input interface is connected with the transmission transmission equipment, and Rx optical fiber output interface is connected with the reception transmission equipment.
Advantage of the present invention:
(1), the present invention by monitoring module to working primary optical fiber and protect the luminous power of standby optical fiber to carry out Real-Time Monitoring, when the luminous power that monitors satisfies switching threshold, the light path automatic protection module can switch to the standby optical fiber of protection with light signal from the primary optical fiber of working automatically within the time of Millisecond, guarantee that communication service is without blocking-up;
(2), due in fibre circuit, due to adding of the optical switch of the light protection switch unit with 3R enlarging function, cause the fibre circuit Insertion Loss to increase, the present invention can realize that the 3R of light amplifies, and offsets the large Insertion Loss that brings when light switches by the luminous power amplification module;
(3), during power down of the present invention automatic protection module when the power down of this protection instrument, the light path automatic protection module can not done any switching, the path at the optical switch place when directly resting on by power down, automatic protection module when then light signal directly enters power down by the light path automatic protection module, automatic protection module output during at last from power down, the normal use when having guaranteed the power down of protection instrument;
(4), panel control of the present invention and display module, serial communication modular, network interface communication module are conveniently artificially by panel or long-range to protecting instrument to control.
The present invention is simple in structure, easy to use, by the automatic switchover Transmission Fibers, has guaranteed communication service without blocking-up, and realizes that by the luminous power amplification module 3R of light amplifies, and offsets the large Insertion Loss that brings when light switches.
Description of drawings
Fig. 1 is theory diagram of the present invention.
Fig. 2 is use structural representation of the present invention, wherein, "
" expression primary optical fiber connection, "
" expression standby optical fiber connection.
Embodiment
see Fig. 1, light protection switch unit with 3R enlarging function, include luminous power amplification module 1, optical power monitoring module 2, light path automatic protection module 3, the power down automatic protection module 4 that is connected with light path automatic protection module 3, panel is controlled and display module 5, serial communication modular 6, network interface communication module 7, optical power monitoring module 2 includes the PIN photo-detector 21 that connects in turn, programmable filter 22, A/D converter 23 and microprocessor 24, programmable filter 22 is connected with microprocessor 24, panel is controlled and display module 5, serial communication modular 6, network interface communication module 7 all is connected with microprocessor 24, be connected with Tx optical fiber input interface 8 and Tx optical fiber output interface 9 on power amplifier module 1, be connected with Rx optical fiber input interface 10 and Rx optical fiber output interface 11 on light path automatic protection module 3, Tx optical fiber output interface 9 is connected with Rx optical fiber input interface 10, PIN photo-detector 21 respectively, Tx optical fiber input interface 8 is seen Fig. 2 with transmission transmission equipment 12 or 13() be connected, Rx optical fiber output interface 11 is seen Fig. 2 with reception transmission equipment 13 or 12() be connected.
Before use; luminous power amplification module 1 and optical power monitoring module 2 are connected between transmission transmission equipment 12 and primary optical fiber/standby optical fiber front end, and power down automatic protection module 4 and panel are controlled and display module 5 is connected in primary optical fiber/standby optical fiber rear end and accepts between transmission equipment 13.
the light 10G/2.5G signal 3R regenerative amplification gain that luminous power amplification module 1 receives Tx optical fiber input interface 8, the fraction luminous power of amplified signal enters PIN photo-detector 21 by Tx optical fiber output interface 9 successively, PIN photo-detector 21 detects the fraction luminous power and is converted to photoelectric current, carrying out I/V changes and amplifies, after programmable filter 22 filtering copped wave additional components and interference signal, deliver to A/D converter 23, become the digital signal corresponding to the input optical power level, the treated luminous power result that obtains on-line monitoring of microprocessor 24, then optical power monitoring module 2 is transferred to light path automatic protection module 3 with the luminous power result of on-line monitoring, light path automatic protection module 3 is relatively differentiated rear selected appropriate optical fibers (primary optical fiber or standby optical fiber) according to the switches light performance number of setting in advance and is carried most of luminous power, most of luminous power of amplified signal is successively by Tx optical fiber output interface 9, Rx optical fiber input interface 10 enters light path automatic protection module 3, final most of luminous power is from 11 outputs of Rx optical fiber output interface.
When device looses power, light path automatic protection module 3 is not done any optical fiber and is switched, the path at the optical switch place when directly resting on by power down, the luminous power of amplified signal directly by light path automatic protection module 3 from 4 outputs of power down automatic protection module.
Claims (5)
1. the light protection switch unit that has the 3R enlarging function, it is characterized in that: include the luminous power amplification module, optical power monitoring module and light path automatic protection module, the light 10G/2.5G signal 3R regenerative amplification gain that described luminous power amplification module will receive, the fraction luminous power of amplified signal enters the luminous power result that optical power monitoring module obtains on-line monitoring, most of luminous power of amplified signal light path automatic protection module to be entered, optical power monitoring module is transferred to the light path automatic protection module with the luminous power result of on-line monitoring simultaneously, then the selected appropriate optical fibers of light path automatic protection module is carried most of luminous power, final most of luminous power is exported from the light path automatic protection module.
2. the light with 3R enlarging function according to claim 1 is protected switch unit; it is characterized in that: described optical power monitoring module includes PIN photo-detector, programmable filter, A/D converter and the microprocessor that connects in turn; described programmable filter is connected with microprocessor, and described light path automatic protection module is connected with microprocessor.
3. the light with 3R enlarging function according to claim 1 is protected switch unit; it is characterized in that: the light protection switch unit of the described 3R of having enlarging function also includes the power down automatic protection module that is connected with the light path automatic protection module, and described most of luminous power is exported from the power down automatic protection module by after the light path automatic protection module.
4. the light protection switch unit with 3R enlarging function according to claim 2 is characterized in that: the light protection switch unit of the described 3R of having enlarging function also includes the panel control that is connected with described microprocessor respectively and display module, serial communication modular, network interface communication module.
5. the light with 3R enlarging function according to claim 2 is protected switch unit; it is characterized in that: be connected with Tx optical fiber input interface and Tx optical fiber output interface on described luminous power amplification module; be connected with Rx optical fiber input interface and Rx optical fiber output interface on described light path automatic protection module; described Tx optical fiber output interface is connected with Rx optical fiber input interface, PIN photo-detector respectively; described Tx optical fiber input interface is connected with the transmission transmission equipment, and Rx optical fiber output interface is connected with the reception transmission equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100878543A CN103138831A (en) | 2013-03-19 | 2013-03-19 | Light protection switch unit with 3R amplifying function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100878543A CN103138831A (en) | 2013-03-19 | 2013-03-19 | Light protection switch unit with 3R amplifying function |
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| Publication Number | Publication Date |
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| CN103138831A true CN103138831A (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013100878543A Pending CN103138831A (en) | 2013-03-19 | 2013-03-19 | Light protection switch unit with 3R amplifying function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103684579A (en) * | 2013-12-04 | 2014-03-26 | 国网安徽省电力公司信息通信分公司 | Optical path protecting instrument with band switching function and control method of optical path protecting instrument |
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| US20070189663A1 (en) * | 2006-02-01 | 2007-08-16 | Tooru Hirai | Optical crossconnect apparatus |
| CN200956589Y (en) * | 2006-04-13 | 2007-10-03 | 江苏南大三友科技有限公司 | Filter type intelligent photo protection device |
| CN101212256A (en) * | 2006-12-26 | 2008-07-02 | 英保达股份有限公司 | Optical beam transmission channel switching device for optical fiber network |
| CN101547044A (en) * | 2008-03-27 | 2009-09-30 | 华为技术有限公司 | Method, system and repeater for reducing time delay in switching main optical line terminal and spare optical line terminal |
| CN201323583Y (en) * | 2008-12-12 | 2009-10-07 | 中国移动通信集团山东有限公司 | switching system of optical-fibre circuit and monitoring and switching device |
| CN203151494U (en) * | 2013-03-19 | 2013-08-21 | 安徽省电力公司信息通信分公司 | Optical protection switching unit with 3R amplification function |
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2013
- 2013-03-19 CN CN2013100878543A patent/CN103138831A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070189663A1 (en) * | 2006-02-01 | 2007-08-16 | Tooru Hirai | Optical crossconnect apparatus |
| CN200956589Y (en) * | 2006-04-13 | 2007-10-03 | 江苏南大三友科技有限公司 | Filter type intelligent photo protection device |
| CN101212256A (en) * | 2006-12-26 | 2008-07-02 | 英保达股份有限公司 | Optical beam transmission channel switching device for optical fiber network |
| CN101547044A (en) * | 2008-03-27 | 2009-09-30 | 华为技术有限公司 | Method, system and repeater for reducing time delay in switching main optical line terminal and spare optical line terminal |
| CN201323583Y (en) * | 2008-12-12 | 2009-10-07 | 中国移动通信集团山东有限公司 | switching system of optical-fibre circuit and monitoring and switching device |
| CN203151494U (en) * | 2013-03-19 | 2013-08-21 | 安徽省电力公司信息通信分公司 | Optical protection switching unit with 3R amplification function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103684579A (en) * | 2013-12-04 | 2014-03-26 | 国网安徽省电力公司信息通信分公司 | Optical path protecting instrument with band switching function and control method of optical path protecting instrument |
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Application publication date: 20130605 |