CN202949423U - Optical fiber automatic switch protective device - Google Patents
Optical fiber automatic switch protective device Download PDFInfo
- Publication number
- CN202949423U CN202949423U CN 201220581353 CN201220581353U CN202949423U CN 202949423 U CN202949423 U CN 202949423U CN 201220581353 CN201220581353 CN 201220581353 CN 201220581353 U CN201220581353 U CN 201220581353U CN 202949423 U CN202949423 U CN 202949423U
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- light
- optical
- optical splitter
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- optical fiber
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Abstract
The utility model relates to an optical fiber automatic switch protective device. The device is characterized by comprising a master control module, a switching unit, a light-split processing module, an optical equipment side light-split unit and a plurality of circuit side light-split units, wherein the optical equipment side light-split unit is composed by an optical splitter and a detector through connection; the output end of the optical splitter is connected with the light-split processing module which outputs multi-channel optical signals after light split processing to be connected with optical equipment on the circuit side; each of the circuit side light-split units is composed of an optical splitter and a detector through connection, and the output end of each optical splitter is connected with the switching unit which determines optical signal power under the control of the master control module and selects one channel to output to an optical equipment receiving end on the optical equipment side. By means of the device, high-quality circuits can be selected automatically, namely, a business circuit for being used by users can be protected, the business non-interrupt capacity of the system can be improved maximally, and the reliability of circuits is improved.
Description
Technical field
The utility model belongs to technical field of optical fiber communication, especially a kind of optical fiber automatic switching protection equipment.
Background technology
In communication system, optical fiber communication is a kind of very important communication mode.In actual applications, due to the different business of optical fiber communication carrying or different users, there is different severity levels, for common carrier, electric power, broadcasting and TV, public security, army, government etc., reliability and the transmission quality that transmits there is higher requirement, for example: the propagation of national security circuit, great celebration, great sports tournament, the DDN data transfer circuits such as bank, exchange, and the application such as video conferencing, signaling circuit should have higher assurance level.For guaranteeing these circuit transmittings, common way is that telecommunication department provides two transmission lines, when a circuit goes wrong, switch to another circuit by artificial or some switching devices and get on, can produce like this to cut and damage untimely and OOF, the loss of data equivalent damage, therefore, be difficult to satisfy the automatic switchover needs of multilink, simultaneously, its reliability can not satisfy the demand of some special industry
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of reasonable in design, optical fiber automatic switching protection equipment that reliability is high is provided.
The utility model solves its technical problem and takes following technical scheme to realize:
a kind of optical fiber automatic switching protection equipment, comprise main control module, switch unit, the light-splitting processing module, light device side light-dividing device, the line side light-dividing device, described light device side light-dividing device is connected and composed by optical splitter and detector, the input of this optical splitter is connected with the light device transmitting terminal of light device side, the output of this detector is connected with main control module, the output of this optical splitter is connected with the light-splitting processing module, after the signal that this light-splitting processing module is exported optical splitter carries out light-splitting processing, the output multi-channel light signal is connected with the light device in line side, the line side light-dividing device is a plurality of, each line side light-dividing device connects and composes by optical splitter and detector, the input of each optical splitter is connected with the light device in line side, the output of detector is connected with main control module, the output of each optical splitter all is connected with switch unit, and switch unit wherein one the tunnel outputs on the light device receiving terminal of light device side under the control of main control module, the optical signal power of each optical splitter output being judged and selects.
And described switch unit is connected and composed by microprocessor and optical fiber interface, and optical fiber interface is arranged between line side light-dividing device and microprocessor, and between the light device of microprocessor and light device side
And described main control module also is provided with network management interface and is connected with controller realizes network management function.
Advantage of the present utility model and good effect are:
The utility model is by accessing the fibre circuit more than two and optical signal power being carried out performance evaluation; automatically select the high circuit of quality namely protect out one can be for user's service circuit; can greatly reduce the circuit error rate; the business that improves to greatest extent system is interrupt capabilities not; improve the reliability of circuit transmission, for highly-reliable system provides realistic plan.
Description of drawings
Fig. 1 is circuit block diagram of the present utility model;
Fig. 2 is the circuit block diagram of switch unit;
Fig. 3 is a kind of application connection diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
A kind of optical fiber automatic switching protection equipment as shown in Figure 1, comprises main control module, switch unit, light-splitting processing module, light device side light-dividing device, line side light-dividing device, light splitting and network management interface.Described light device side light-dividing device is connected and composed by optical splitter and detector, the input of this optical splitter is connected with the light device transmitting terminal of light device side, the output of this detector is connected with main control module, the output of optical splitter is connected with the light-splitting processing module, this light-splitting processing module is carried out output multi-channel light signal after light-splitting processing to the signal of optical splitter output, wherein one the tunnel is the working end signal, all the other several roads are standby end signal, and above-mentioned several roads light signal is connected with the light device in line side.described line side light-dividing device is a plurality of, each line side light-dividing device connects and composes by optical splitter and detector, the input of each optical splitter is connected with the line side light signal, one of them optical splitter is connected with working end equipment, the input of other optical splitter is connected with standby end equipment, the output of detector is connected with main control module, the output of each optical splitter all is connected with switch unit, switch unit carries out the luminous power judgement to each optical splitter output signal under the control of main control module, and select wherein one the tunnel to export, its output is connected on the light device receiving terminal of light device side.Main control module also (is connected with controller, realizes network management function by network management interface.
As shown in Figure 2, switch unit comprises microprocessor and optical fiber interface, in the present embodiment, microprocessor adopts the LPC2214FBD144/01 single-chip microcomputer, microprocessor carries out Real Time Monitoring to light signal T1, the T2 that transmits from a plurality of transmitting end equipments, the luminous power of T3, T4, the light signal Tx that selective light power is the strongest outputs on receiving device, farthest guarantees the unimpeded of communication line.
The utility model provides the port in line side, can be two, three or four.As shown in Figure 3; the interface that optical fiber automatic switching protection equipment in this system is connected with the light device in line side is three; two optical fiber automatic switching protection equipment are connected with three optical routers by three optical interfaces respectively; each protection equipment is connected with subscriber equipment by an optical interface; automatic switching apparatus detects the optical power signals performance of current circuit automatically; in case signal performance is relatively poor; automatically switch on other link, realize automatic switchover and the defencive function of transmission link.
It is emphasized that; embodiment described in the utility model is illustrative; rather than determinate; therefore the utility model comprises and is not limited to the embodiment described in embodiment; every by those skilled in the art according to other execution modes that the technical solution of the utility model draws, belong to equally the scope of the utility model protection.
Claims (3)
1. optical fiber automatic switching protection equipment, it is characterized in that: comprise main control module, switch unit, the light-splitting processing module, light device side light-dividing device, the line side light-dividing device, described light device side light-dividing device is connected and composed by optical splitter and detector, the input of this optical splitter is connected with the light device transmitting terminal of light device side, the output of this detector is connected with main control module, the output of this optical splitter is connected with the light-splitting processing module, after the signal that this light-splitting processing module is exported optical splitter carries out light-splitting processing, the output multi-channel light signal is connected with the light device in line side, the line side light-dividing device is a plurality of, each line side light-dividing device connects and composes by optical splitter and detector, the input of each optical splitter is connected with the light device in line side, the output of each detector is connected with main control module, the output of each optical splitter all is connected with switch unit, and switch unit wherein one the tunnel outputs on the light device receiving terminal of light device side under the control of main control module, the optical signal power of each optical splitter output being judged and selects.
2. a kind of optical fiber automatic switching protection equipment according to claim 1; it is characterized in that: described switch unit is connected and composed by microprocessor and optical fiber interface; optical fiber interface is arranged between line side light-dividing device and microprocessor, and between the light device of microprocessor and light device side.
3. a kind of optical fiber automatic switching protection equipment according to claim 1 and 2, it is characterized in that: described main control module also is provided with network management interface and is connected with controller realizes network management function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220581353 CN202949423U (en) | 2012-11-06 | 2012-11-06 | Optical fiber automatic switch protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220581353 CN202949423U (en) | 2012-11-06 | 2012-11-06 | Optical fiber automatic switch protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202949423U true CN202949423U (en) | 2013-05-22 |
Family
ID=48425101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220581353 Expired - Fee Related CN202949423U (en) | 2012-11-06 | 2012-11-06 | Optical fiber automatic switch protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202949423U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107241174A (en) * | 2017-06-28 | 2017-10-10 | 迈普通信技术股份有限公司 | Method for switching network and the network equipment |
| CN108494476A (en) * | 2018-05-29 | 2018-09-04 | 广州供电局有限公司 | Passive automatic light shunting device and its optical fiber telecommunications system |
-
2012
- 2012-11-06 CN CN 201220581353 patent/CN202949423U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107241174A (en) * | 2017-06-28 | 2017-10-10 | 迈普通信技术股份有限公司 | Method for switching network and the network equipment |
| CN108494476A (en) * | 2018-05-29 | 2018-09-04 | 广州供电局有限公司 | Passive automatic light shunting device and its optical fiber telecommunications system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130522 Termination date: 20151106 |
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| EXPY | Termination of patent right or utility model |