CN102437892A - Cold standby device of high-power optical-fiber amplifier and standby method thereof - Google Patents

Cold standby device of high-power optical-fiber amplifier and standby method thereof Download PDF

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Publication number
CN102437892A
CN102437892A CN2011102581335A CN201110258133A CN102437892A CN 102437892 A CN102437892 A CN 102437892A CN 2011102581335 A CN2011102581335 A CN 2011102581335A CN 201110258133 A CN201110258133 A CN 201110258133A CN 102437892 A CN102437892 A CN 102437892A
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China
Prior art keywords
mcu
optical
light path
amplifying
branching device
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Pending
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CN2011102581335A
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Chinese (zh)
Inventor
邹华
顾国林
乐志强
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HOPECOM OPTIC COMMUNICATIONS CO Ltd
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HOPECOM OPTIC COMMUNICATIONS CO Ltd
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Priority to CN2011102581335A priority Critical patent/CN102437892A/en
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Abstract

The invention discloses a cold standby device of a high-power optical-fiber amplifier and a standby method thereof. The cold standby device of the high-power optical-fiber amplifier comprises two circuits of selective optical switches, an optical branching device and three micro controller units (MCU), wherein each selective optical switch is responsible for switching and controlling an inputted optical signal of a main and an auxiliary amplification optical path; the optical branching device is used for uniformly allocating the optical signals of output ports of the main and the auxiliary amplification optical paths; a first MCU is installed on the main amplification optical path and is used for managing and controlling the main amplification optical path; a second MCU is arranged on the auxiliary amplification optical path and is used for managing and controlling the auxiliary amplification optical path; and a third MCU is arranged between the optical switch and the optical branching device, and the third MCU is used for monitoring optical power of an optical signal on an output end of the optical branching device, for controlling the switching of the optical switches and for transmitting the monitored data information to the first MCU and the second MCU. The automatic switching of the main and the auxiliary amplification optical paths can be realized through the real-time detection of the optical power on the input end and the output end, so the standby of the high-power optical-fiber amplifier can be realized.

Description

A kind of cold standby equipment and backup method thereof of high-power fiber amplifier
Technical field
The present invention relates to optical communication field, particularly a kind of cold standby equipment and backup method thereof of high-power fiber amplifier.
Background technology
Along with deepening continuously of informatization and network construction, the main body business that user access networks carried is gradually by voice, and data are to image, and integrated digitals such as video are professional to be expanded.Based on the passive optical network PON of putting multiple spot is the key technology that solves the access bandwidth bottleneck, and each big operator also begins large scale deployment EPON and GPON at home.And " integration of three networks " that further realize conventional telecommunications net, the Internet and cable television network on this basis trend of the times of future network development especially.
The high-power fiber amplifier of double clad optical-fiber network constantly extend forward and the process expanded in; To play an increasingly important role; Can reduce the quantity of common power EDFA fiber amplifier significantly, thereby help operator to reduce cost at central machine room.Especially insert front end and catv network in environment such as FTTX access network fusion the user of cable TV catv network.
Along with the large scale deployment of operator to the FTTX optical access network, optical node will constantly advance to user side, and user access point quantity rises in a large number, and this power output to each optical node has higher demand.The multimode cladding pumping high-power fiber amplifier that the ytterbium erbium is mixed altogether just in time meets the needs of single optical node to high luminous power, and it also possesses low-noise factor simultaneously, high s/n ratio, a plurality of advantages such as low cost.
But high-power fiber amplifier is applied in the optical network system, and its customer volume of hanging down is often very big.Therefore, in case this high power light amplifier breaks down, can cause the user side network to be paralysed in large area, affected number of users will be very big.Because high-power fiber amplifier is very big at the Output optical power of output port, generally exports the light gross power and can reach more than the 1W, and is very high to the requirement of follow-up light shifter spare, is not suitable for adopting traditional Hot Spare scheme that it is backed up.Therefore objectively there is the inactivity backup in general high-power fiber amplifier, causes the relatively poor relatively problem of network reliability.
Summary of the invention
The technical problem that the present invention will solve provides a kind ofly to be had the multiple duplication function and can effectively reduce the power consumption of standby system and can effectively improve the reliability of system and the cold standby equipment and the backup method thereof of the high-power fiber amplifier in useful life.
For solving the problems of the technologies described above, technical scheme of the present invention is following:
A kind of cold standby equipment of high-power fiber amplifier comprises:
Two-way selection type optical switch, said optical switch is connected with master and slave amplification light path through input port, and it is responsible for the switching of the input optical signal of master and slave amplification light path is controlled;
Optical branching device, the light signal that the principal and subordinate is amplified the light path output port distributes, and the luminous power of the principal and subordinate being amplified light path output is evenly distributed to each output port;
Three MCU, said three MCU are a MCU, the 2nd MCU, the 3rd MCU; A said MCU is placed in said main the amplification on the light path, and the main light path of amplifying is managed and controlled; Said the 2nd MCU is placed in said on the amplification light path, and to managing and control from amplifying light path; Said the 3rd MCU is placed between said optical switch and the said optical branching device, said the 3rd MCU be used for monitor optical splitter output light signal luminous power and control the switching of optical switch and the data message that monitoring obtains sent to a MCU and the 2nd MCU.
Preferably, the step of this backup method is following:
(1) when high-power fiber amplifier is in normal operating conditions, optical switch is connected input and the main light path of amplifying, and then is in idle closed condition from amplifying light path;
(2) the one MCU manage and control the main light path of amplifying, and optical branching device is evenly distributed to each output port to distributing from the main light signal that amplifies light path entering optical branching device with luminous power;
(3) the 3rd MCU detect the Output optical power that distributes through optical branching device, and when the Output optical power of optical branching device is lower than setting threshold, the 3rd MCU will judge that the main light path of amplifying breaks down;
(4) the 3rd MCU are sent to a MCU with the fault instruction and control optical switch system is switched to from amplifying the light path operating state, and the main light path of amplifying is closed, and sends alarm command to the user;
(5) change action complete after, system will be operated in from amplifying under the optical path states;
(6) the 2nd MCU are to managing and control from amplifying light path, and optical branching device is evenly distributed to each output port to from distributing from the light signal that amplifies light path entering optical branching device with luminous power;
(7) the 3rd MCU detect the Output optical power that distributes through optical branching device, and when the Output optical power of optical branching device is lower than setting threshold, the 3rd MCU will judge from the amplification light path and break down;
(8) the 3rd MCU are sent to the 2nd MCU with the fault instruction and control optical switch system is switched to the main light path operating state of amplifying, and close from light path, and send alarm command to the user;
(9) after step (4) or step (8) break down; The user can keep in repair to main amplification light path or from amplifying light path; When main amplification light path or after keeping in repair successfully from the amplification light path; The support user of system carries out manual switchover again and returns main amplification light path or from amplifying light path, can remain the operating state that whole system is in has backup like this, thereby improves the reliability of system.
Through technique scheme, the invention has the beneficial effects as follows:
The present invention adopts the imported optical branching device of two-way that the light signal of master and slave amplification light path is distributed, and luminous power is evenly distributed to each output port, and it has effectively solved the problem of the difficult backup of high-power fiber amplifier; The present invention adopts the cold standby of the master and slave amplification light path input of two-way selection type optical switch control high-power fiber amplifier again, and it has solved the high problem of traditional hot standby system power consumption, has promoted the reliability and the useful life of whole system greatly.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 implements figure for the present invention.
Fig. 2 is a structure chart of the present invention.
The numeral corresponding component title represented among the figure with letter:
1. optical switch 2. optical branching devices.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with concrete diagram, further set forth the present invention.
Referring to illustrated in figures 1 and 2; The cold standby equipment of a kind of high-power fiber amplifier of the present invention; Comprise: two-way selection type optical switch 1, said optical switch 1 amplifies light path through input port with the principal and subordinate and is connected, and its switching of being responsible for the principal and subordinate is amplified the input optical signal of light path is controlled; The imported optical branching device 2 of two-way, the light signal that the principal and subordinate is amplified the light path output port distributes, and the Output optical power that the principal and subordinate is amplified light path is assigned to each output port equably; Three MCU, said three MCU are a MCU, the 2nd MCU, the 3rd MCU; A said MCU is placed in said main the amplification on the light path, and the main light path of amplifying is managed and controlled; Said the 2nd MCU is placed in said on the amplification light path, and to managing and control from amplifying light path; Said the 3rd MCU is placed between said optical switch 1 and the said optical branching device 2, and said the 3rd MCU is used for monitor optical splitter 2 and goes out to hold the luminous power of light signal and control optical switch 1 to switch and the data message that monitoring obtains is sent to a MCU and the 2nd MCU.
The model of a said MCU is STC12C5A08AD, and the model of said the 2nd MCU is STC12C5A08AD, and the model of said the 3rd MCU is STC12C5A60S2.
Said optical branching device 2 is two to advance 16 and go out optical branching device, and it has 2 inputs and 16 outputs.Said 2 inputs are connected with master and slave amplification light path respectively, and said output carries out uniform distribution with the Output optical power of master and slave amplification light path, and the power output of each port is controlled at below the 20dBm.
Said optical branching device 2 can also advance eight and go out or two advance 32 and go out optical branching device for two.
Embodiment 1
The present invention mixes multimode cladding pumping high-power fiber amplifier system altogether to the ytterbium erbium the step of cold standby method is following:
(1) when high-power fiber amplifier is in normal operating conditions, optical switch is connected with the main light path of amplifying, and then is in idle closed condition from amplifying light path;
(2) the one MCU manage and control the main light path of amplifying, and optical branching device is to distributing from the main light signal that amplifies light path entering optical branching device, and it can be divided into 16 roads, and luminous power is controlled at below the 20dBm;
(3) the 3rd MCU detect the Output optical power that distributes through optical branching device, and when the Output optical power of optical branching device is lower than preset threshold, the 3rd MCU will judge that the main light path of amplifying breaks down;
(4) the 3rd MCU are sent to a MCU with the fault instruction and control optical switch input optical signal is switched to from amplifying light path, and the main light path of amplifying is closed, and sends alarm command to the user;
(5) change action complete after, system will be operated in from amplifying under the optical path states;
(6) the 2nd MCU are to managing and control from amplifying light path, and optical branching device is to distributing from the light signal that gets into optical branching device from the amplification light path, and it can be divided into 16 roads, and luminous power is controlled at below the 20dBm;
(7) the 3rd MCU detect the Output optical power that distributes through optical branching device, and when the Output optical power of optical branching device is lower than preset threshold, the 3rd MCU will judge from the amplification light path and break down;
(8) the 3rd MCU are sent to the 2nd MCU with the fault instruction and control optical switch input optical signal is switched to the main light path of amplifying, and close from amplifying light path, and send alarm command to the user;
(9) after step (4) or step (8) break down; The user can keep in repair to main amplification light path or from amplifying light path; When main amplification light path or after keeping in repair successfully from the amplification light path; The support user of system carries out manual switchover again and returns main amplification light path or from amplifying light path, can remain the operating state that whole system is in has backup like this, thereby improves the reliability of system.
Said preset threshold is set according to actual needs.
The present invention has effectively solved the high problem of traditional hot backup power consumption, has promoted the reliability and the useful life of whole system greatly.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection range to be defined by appending claims and equivalent thereof.

Claims (2)

1. the cold standby equipment of a high-power fiber amplifier is characterized in that, comprising:
Two-way selection type optical switch, said optical switch is connected with said optical branching device through master and slave amplification light path, and it is responsible for the input optical signal switching of master and slave amplification light path is controlled;
Optical branching device, the light signal that the principal and subordinate is amplified the light path output port distributes, and the luminous power of the principal and subordinate being amplified light path output is evenly distributed to each output port;
Three MCU, said three MCU are a MCU, the 2nd MCU, the 3rd MCU; A said MCU is placed in said main the amplification on the light path, and the main light path of amplifying is managed and controlled; Said the 2nd MCU is placed in said on the amplification light path, and to managing and control from amplifying light path; Said the 3rd MCU is placed between said optical switch and the said optical branching device, said the 3rd MCU be used for monitor optical splitter output light signal luminous power and control the switching of optical switch and the data message that monitoring obtains sent to a MCU and the 2nd MCU.
2. the cold standby method of a high-power fiber amplifier, it is characterized in that: the step of this method is following:
(1) when high-power fiber amplifier is in normal operating conditions, optical switch is connected with the main light path of amplifying, and then is in idle closed condition from amplifying light path;
(2) the one MCU manage and control the main light path of amplifying, and optical branching device distributes the light signal that gets into optical branching device from main amplification light path, and luminous power is evenly distributed to each output port;
(3) the 3rd MCU detect the Output optical power that distributes through optical branching device, and when the Output optical power of optical branching device is lower than preset threshold, the 3rd MCU will judge that the main light path of amplifying breaks down;
(4) the 3rd MCU are sent to a MCU with the fault instruction and control optical switch system is switched to from amplifying the light path operating state, and the main light path of amplifying is closed, and sends alarm command to the user;
(5) change action complete after, system will be operated in from amplifying under the optical path states;
(6) the 2nd MCU are to managing and control from amplifying light path, and optical branching device is assigned to each output port to from distributing from the light signal that amplifies light path entering optical branching device with luminous power equably;
(7) the 3rd MCU detect the Output optical power that distributes through optical branching device, and when the Output optical power of optical branching device is lower than preset threshold, the 3rd MCU will judge from the amplification light path and break down;
(8) the 3rd MCU are sent to the 2nd MCU with the fault instruction and control optical switch system is switched to the main light path operating state of amplifying, and close from amplifying light path, and send alarm command to the user;
(9) after step (4) or step (8) break down; The user can keep in repair to main amplification light path or from amplifying light path; When main amplification light path or after keeping in repair successfully from the amplification light path; The support user of system carries out manual switchover again and returns main amplification light path or from amplifying light path, can remain the operating state that whole system is in has backup like this, thereby improves the reliability of system.
CN2011102581335A 2011-09-02 2011-09-02 Cold standby device of high-power optical-fiber amplifier and standby method thereof Pending CN102437892A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103957474A (en) * 2014-04-11 2014-07-30 烽火通信科技股份有限公司 Port tag management method of optical divider
CN104301026A (en) * 2013-07-17 2015-01-21 中国电信股份有限公司 Optical amplifier and method of protecting optical-fiber circuit thereof
CN115219158A (en) * 2022-07-18 2022-10-21 中国南方电网有限责任公司超高压输电公司广州局 Thyristor converter valve detection circuit and method thereof

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Publication number Priority date Publication date Assignee Title
CN2450828Y (en) * 2000-07-12 2001-09-26 信息产业部武汉邮电科学研究院 Optical cable real time monitoring device
CN1479460A (en) * 2003-05-29 2004-03-03 上海交通大学 Passive optical network protection method
CN1523907A (en) * 2003-02-20 2004-08-25 华为技术有限公司 A method for backup of power amplifier and equipment thereof
JP2006140730A (en) * 2004-11-11 2006-06-01 Nippon Telegr & Teleph Corp <Ntt> Optical communication system and optical test device
CN201608720U (en) * 2009-12-25 2010-10-13 上海霍普光通信有限公司 Variable structure control equipment for multimode clad pumping high-power fiber optic amplifier

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2450828Y (en) * 2000-07-12 2001-09-26 信息产业部武汉邮电科学研究院 Optical cable real time monitoring device
CN1523907A (en) * 2003-02-20 2004-08-25 华为技术有限公司 A method for backup of power amplifier and equipment thereof
CN1479460A (en) * 2003-05-29 2004-03-03 上海交通大学 Passive optical network protection method
JP2006140730A (en) * 2004-11-11 2006-06-01 Nippon Telegr & Teleph Corp <Ntt> Optical communication system and optical test device
CN201608720U (en) * 2009-12-25 2010-10-13 上海霍普光通信有限公司 Variable structure control equipment for multimode clad pumping high-power fiber optic amplifier

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104301026A (en) * 2013-07-17 2015-01-21 中国电信股份有限公司 Optical amplifier and method of protecting optical-fiber circuit thereof
CN103957474A (en) * 2014-04-11 2014-07-30 烽火通信科技股份有限公司 Port tag management method of optical divider
CN103957474B (en) * 2014-04-11 2017-08-01 烽火通信科技股份有限公司 A kind of ports tab management method of optical branching device
CN115219158A (en) * 2022-07-18 2022-10-21 中国南方电网有限责任公司超高压输电公司广州局 Thyristor converter valve detection circuit and method thereof
CN115219158B (en) * 2022-07-18 2024-04-02 中国南方电网有限责任公司超高压输电公司广州局 Thyristor converter valve detection circuit and method thereof

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Application publication date: 20120502