CN202918294U - Optical path automatic switching device - Google Patents

Optical path automatic switching device Download PDF

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Publication number
CN202918294U
CN202918294U CN 201220470700 CN201220470700U CN202918294U CN 202918294 U CN202918294 U CN 202918294U CN 201220470700 CN201220470700 CN 201220470700 CN 201220470700 U CN201220470700 U CN 201220470700U CN 202918294 U CN202918294 U CN 202918294U
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CN
China
Prior art keywords
optical path
module
optical
switch equipment
auto
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 - Fee Related
Application number
CN 201220470700
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Chinese (zh)
Inventor
李水进
丁继强
Original Assignee
李水进
丁继强
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 李水进, 丁继强 filed Critical 李水进
Priority to CN 201220470700 priority Critical patent/CN202918294U/en
Application granted granted Critical
Publication of CN202918294U publication Critical patent/CN202918294U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides an optical path automatic switching device. The optical path automatic switching device comprises a central processor, a power supply module, a key module, an optical power acquisition module, an optical path switching module and a GPRS wireless data transmission module, wherein the power supply module, the key module, the optical power acquisition module, the optical path switching module and the GPRS wireless data transmission module are respectively connected with the central processor. The optical power acquisition module is used for monitoring the optical power and the optical path channel information of an optical fiber. The central processor receives information acquired by the optical power acquisition module, controls the optical path switching module to automatically switch a fault optical path to a standby optical path when an optical power value is abnormal or below an optical path switching range set by a user, and reports to a remote network management center. The optical path automatic switching device provided by the utility model has the advantage of fast and accurate detection and enriches the connection mode of the optical path automatic switching device, thus networking of the optical path automatic switching device is flexible.

Description

Optical path auto-switch equipment
Technical field
The utility model relates to fibre optic transmission equipment, relates in particular to a kind of optical path auto-switch equipment.
Background technology
The development of information technology and information industry all must rely on wired or wireless transmission network.The characteristics such as optical fiber communication is strong with large capacity, long transmission distance, strong interference immunity, resistance to corrosion, good confidentiality, particularly be close to unlimited bandwidth resources, being fit to very much information-intensive society to the demand of express network, is most potential technology in existing several communication modes.
Prior art adopts wired TCP/IP to connect monitoring network tube hub and light path switching device, but the TCP/IP wiring bothers, and the construction period is longer, easily is subject to the extraneous factor impact.
Summary of the invention
The utility model proposes a kind of optical path auto-switch equipment in order to solve the problem that light path switching device connected mode is single in the prior art, connection procedure is complicated.
The optical path auto-switch equipment that the utility model proposes; comprise central processing unit; the power module that is connected with this central processing unit respectively; key-press module; the luminous power acquisition module; the light path handover module; with the GPRS wireless data transfer module; described luminous power acquisition module is used for luminous power and the path channels information of monitoring optical fiber; the information that described central processing unit received optical power acquisition module collects; and unusual or when being lower than the user and setting light path and switch scope when optical power value; control light path handover module switches to the fault light path on the light path for subsequent use automatically, reports to the remote network management center simultaneously.
Described central processing unit adopts the arm processor LM3S6911 based on cortex – M3 kernel.
In the technical program, described optical path auto-switch equipment also comprises LCD display module, audible and visual alarm module, serial communication module and the network communication module that is connected with central processing unit.
Described optical path auto-switch equipment can also adopt TCP/IP cable network and the communication of remote network management center.
Described luminous power acquisition module adopts photodiode as detecting unit, gathers 3% the light of getting by optical splitter and detects.
The utility model luminous power accuracy of detection is high, speed is fast, show by button and LCD, can be local or long-range various parameters are set, can monitor multipath light signal, can show current optical power value and use path channels information, can be to automatically switch to light path for subsequent use in the light path fault.Luminous power data and path channels information both can be carried out remote transmission function by the GPRS Wi-Fi, need not wiring, conveniently moving, and networking is also more flexible; Can also carry out by wired TCP/IP network teledata and connect, have sound and light alarm and short message alarm, can realize unattended operation, be applicable to various unattended operation optical communication systems to optical routing self-healing and automatic protection requirement.
Description of drawings
Fig. 1 is the utility model and external equipment connection diagram;
Fig. 2 is structured flowchart of the present utility model.
Embodiment
As shown in Figure 1 and Figure 2, the optical path auto-switch equipment that the utility model proposes, having adopted the arm processor LM3S6911 of cortex – M3 kernel is CPU, is connected with key-press module, LCD display module, serial communication module, GPRS wireless data transfer module, network communication module, luminous power acquisition module, sound and light alarm modular unit, power module, 9 unit of light path handover module respectively.Power module is used for the power supply of whole optical path auto-switch equipment; serial communication module is used for debugging and the maintenance of equipment; the luminous power acquisition module is used for luminous power and the path channels information of monitoring optical fiber; can detect simultaneously the light signal of maximum 2 tunnel light paths; the information that central processing unit received optical power acquisition module collects; and unusual or when being lower than the user and setting light path and switch scope when optical power value; control light path handover module switches to the fault light path on the light path for subsequent use automatically, reports to the remote network management center simultaneously.
After the laser that the optical transceiver of far-end sends is grown Distance Transmission through optical fiber, utilization is bound up on the 97:3 optical splitter of optical fiber connector, 3% light of communication light is sent to the luminous power acquisition module, the luminous power acquisition module adopts high accuracy, high-speed photodiode GT101, it is current signal with the intensity-conversion of light rate, this signal is converted to voltage signal through sampling resistor, then deliver to operational amplifier and carry out the signal amplification, optical power signals after the amplification is sent into 24bitA/D transducer at a high speed, transducer is connected with central processing unit by spi bus, and central processing unit is scaled luminous power by the A/D conversion value that reads luminous power with it.High-precision luminous power acquisition module, to constantly detecting and contrast through the laser optical power after the Optical Fiber Transmission, can be intuitively and aware rapidly the overwhelming majority and affect the accidents of optical fiber proper communication, fault optical fiber is automatically switched to normal optical fiber for subsequent use, the quick solution light path fault of passing through.
Central processing unit not only can be presented at luminous power on the screen of LCD display module.And, central processing unit transmits real time data by network to network management center, two kinds of data transfer modes are arranged in the present embodiment, and a kind of is to utilize wireless network to send specified format and comprise the realtime power Value Data and bag data of the light path communication information report real time data to network management center by the GPRS wireless transport module; Another kind is to utilize the TCP/IP cable network by the network communication module, sends specified format and comprises the realtime power Value Data and bag data of the light path communication information report real time data to network management center.In addition, the user can also arrange standard value by key-press module, central processing unit judges whether it is abnormal conditions according to the value that the user arranges, if abnormal conditions, if have unusual, central processing unit will send instruction and carry out the light path switching to the light path handover module, open simultaneously the audible and visual alarm module, the modes such as employing phonic warning are reported to the police, and display alarm information on LCD, come prompting user that warning information is arranged, can also send Chinese short message to user mobile phone by the GPRS module, warning information is noted in prompting not at the scene manager.
The utility model not only can independently form the light path protecting network, consists of the fiber failure protection system, the more important thing is can with other optical fiber test equipment network interworkings, form complete optical fibre fault monitoring navigation system.The existing wired network communication module in optical path auto-switch unit also has the GPRS wireless network module, by forming flexibly structure, according to the as required networking of concrete condition of monitoring station.
Only in order to illustrate structure of the present utility model, those of ordinary skill in the art can make various deformation and variation to above specific embodiment under design of the present utility model, and these distortion and variation include within protection range of the present utility model.

Claims (8)

1. optical path auto-switch equipment; it is characterized in that comprising: central processing unit; the power module that is connected with this central processing unit respectively; key-press module; the luminous power acquisition module; the light path handover module; with the GPRS wireless data transfer module; described luminous power acquisition module is used for luminous power and the path channels information of monitoring optical fiber; the information that described central processing unit received optical power acquisition module collects; and unusual or when being lower than the user and setting light path and switch scope when optical power value; control light path handover module switches to the fault light path on the light path for subsequent use automatically, reports to the remote network management center simultaneously.
2. optical path auto-switch equipment as claimed in claim 1, it is characterized in that: described optical path auto-switch equipment also comprises the LCD display module.
3. optical path auto-switch equipment as claimed in claim 1, it is characterized in that: described optical path auto-switch equipment also comprises the audible and visual alarm module.
4. optical path auto-switch equipment as claimed in claim 1, it is characterized in that: described optical path auto-switch equipment also comprises serial communication module.
5. optical path auto-switch equipment as claimed in claim 1, it is characterized in that: described optical path auto-switch equipment can also adopt TCP/IP cable network and the communication of remote network management center.
6. optical path auto-switch equipment as claimed in claim 1, it is characterized in that: described optical path auto-switch equipment also comprises the network communication module.
7. optical path auto-switch equipment as claimed in claim 1 is characterized in that: described luminous power acquisition module adopts photodiode as detecting unit, gathers 3% the light of getting by optical splitter and detects.
8. optical path auto-switch equipment as claimed in claim 1 is characterized in that: described central processing unit adopts the arm processor LM3S6911 based on cortex – M3 kernel.
CN 201220470700 2012-09-17 2012-09-17 Optical path automatic switching device Expired - Fee Related CN202918294U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220470700 CN202918294U (en) 2012-09-17 2012-09-17 Optical path automatic switching device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220470700 CN202918294U (en) 2012-09-17 2012-09-17 Optical path automatic switching device

Publications (1)

Publication Number Publication Date
CN202918294U true CN202918294U (en) 2013-05-01

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Application Number Title Priority Date Filing Date
CN 201220470700 Expired - Fee Related CN202918294U (en) 2012-09-17 2012-09-17 Optical path automatic switching device

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CN (1) CN202918294U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106059671A (en) * 2016-07-13 2016-10-26 无锡路通视信网络股份有限公司 Outdoor optical network platform
CN111277324A (en) * 2020-01-19 2020-06-12 国网山东省电力公司青岛供电公司 Optical fiber link channel monitoring system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106059671A (en) * 2016-07-13 2016-10-26 无锡路通视信网络股份有限公司 Outdoor optical network platform
CN111277324A (en) * 2020-01-19 2020-06-12 国网山东省电力公司青岛供电公司 Optical fiber link channel monitoring system

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130501

Termination date: 20130917

C17 Cessation of patent right