CN203573002U - Multichannel wave-combining switching device for passive optical network monitoring - Google Patents
Multichannel wave-combining switching device for passive optical network monitoring Download PDFInfo
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- CN203573002U CN203573002U CN201320766259.8U CN201320766259U CN203573002U CN 203573002 U CN203573002 U CN 203573002U CN 201320766259 U CN201320766259 U CN 201320766259U CN 203573002 U CN203573002 U CN 203573002U
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Abstract
The utility model discloses a multichannel wave-combining switching device for passive optical network monitoring. The multichannel wave-combining switching device for passive optical network monitoring comprises an integrated WDM module (1), a 1 * n optical switch (8), and a circuit control unit (5) which are arranged in a shell (6); the 1 * n optical switch (8) includes a first 1 * m optical switch (2), ..., a k1 * m optical switch (3), and a 1 * k optical switch (4), where k = 2i m = 2j, and i and j are positive integers; n output ends of the first 1 * m optical switch (2), ..., and the k1 * m optical switch (3) are respectively connected with a reflection end of the integrated WDM module (1), wherein the n = km; input ends of the first 1 * m optical switch (2), ..., and the k1 * m optical switch (3) are respectively connected with one output end of the 1 * k optical switch (4); and the circuit control unit (5) is in control connection with the first 1 * m optical switch (2), ... , the k1 * m optical switch (3), and the 1 * k optical switch (4). The multichannel wave-combining switching device for passive optical network monitoring can carry out online real-time monitoring of the optical fiber and cable, and is conducive to the maintenance and management of the project manager.
Description
Technical field
The utility model relates to a kind of hyperchannel that is applied to EPON monitoring and closes ripple switching device shifter, and the utility model belongs to the communications field.
Background technology
The large capacity of optical fiber communication, remote, high-quality transmission feature have greatly met the great demand of people to broadband services, the fast development of Optical Fiber Transmission capacity, network is laid extensively and is extended, the current global optical fiber cable amount of laying is huge, the number of stoppages of lightguide cable link is in continuous increase, and the maintenance and management problem of optical fiber cable is outstanding day by day, troubleshooting difficulty in conventional cable line upkeep management mode, the troubleshooting time is long, affects the normal work of communication network.How more efficiently optical cable to be carried out to supervising and management in real time, dynamically observe lightguide cable link transmission performance, find in time and forecast optical cable hidden danger, just seem particularly urgent the detection time that shortens Cable's Fault.
Extensively adopt at present OTDR (Optical Time Domain Reflecti optical time domain reflection) technology to carry out optical cable on-line monitoring, substance is to select tested optical fiber by photoswitch, the detection recovery that is different from Communication ray wavelength of OTDR transmitting is used in Transmission Fibers, then by OTDR port, receive return message and generate test curve and data analysis, so that optical link fault is positioned, this technology can Real-Time Monitoring optical fiber cable link failure, has facilitated engineering staff's maintenance and management.At present a lot of patents are described for optical fiber cable on-line monitoring.Application number is 201110059545.6 Chinese patent, patent name: concentrate measurement mechanism, failure monitoring method and system, this invention provides a kind of failure monitoring system of concentrated measurement mechanism, comprise Fiber Analysis instrument, photoswitch, coupling mechanism, fiber grating, NE management device carries out the quality monitoring of optical fiber link, and in the device of this measuring system, photoswitch and wave multiplexer are separate unit separately.Application number is 201110250346.3 Chinese patent, patent name: based on concentrating main distribution frame for fiber on-line testing unit under photo measure, the fibre distribution frame at main distribution frame for fiber ODF/OMDF(Optical Distribution Frame has been described) upper increasing insert the multiplexing WDM(Wavelength Division of Build-in WDM Multiplexing) unit, fibre-optic terminus of assembly, by OLT(optical line terminal optical line terminal) and the jumping fiber of concentrated light measurement system be connected to optical fiber wave multiplexer unit, realization is to traditional ODF/OMDF function upgrading, make it to possess fibre circuit on-line testing function, this patent is also only by increasing the slotting multiplexing WDM assembly of Build-in WDM, the jumping fiber of OLT and concentrated light measurement system to be focused on.In above-mentioned patent, watch-dog is all that wavelength-division multiplex unit and optical switch element are separated separately and arranged, when being communicated with, light path needs optical patchcord switching between wavelength division multiplexer and photoswitch, along with the quick dilatation optical fiber link quantity of the traffic is also in anxious increasing, fibre between the optical channel of each unit of corresponding discrete watch-dog is also in continuous increase, bring thus shortcoming to include: optical switching device and Wavelength Division Multiplexing (WDM) device be separated has taken more rack space, be unfavorable for the wiring of machine room optical fiber, when discrete, fiber moveable joint increases, constantly plug connects the risk that increases dust pollution end face, can bring the increase of light path Insertion Loss, too much external wire jumper causes construction complicated, artificial participation and the wrong risk connecting have been increased, to adding to the difficulties on maintenance and management, objectively all require to adopt the maintenance service of centralization.
Summary of the invention
The purpose of this utility model is the deficiency existing for prior art, provides a kind of hyperchannel for EPON monitoring to close ripple switching device shifter.
The technical scheme that the utility model adopts is:
A kind of hyperchannel for EPON monitoring closes ripple switching device shifter, it is characterized in that: comprise the integrated WDM module, 1 * n photoswitch, the circuit control unit that are arranged in housing, described 1 * n photoswitch comprise one 1 * m photoswitch ... the k1 * m photoswitch, 1 * k photoswitch, wherein k=2
i, m=2
j, i and j are positive integer, described one 1 * m photoswitch ... the n road output terminal of the k1 * m photoswitch is connected with described integrated WDM module reflection end respectively, wherein n=km; One 1 * m photoswitch ... the input end of the k1 * m photoswitch connects respectively a wherein road output terminal of 1 * k photoswitch; The same one 1 * m photoswitch of described circuit control unit ... the k1 * m photoswitch, 1 * k photoswitch control linkage.
Described integrated WDM module comprises that three port wavelength division multiplexer WDM unit and can form, described three port wavelength division multiplexer WDM unit comprise public port, transmission port, reflector port, and the optical fiber tail end of described public port and transmission port is provided with fiber connector.
The optical fiber of drawing of described three port wavelength division multiplexer WDM unit passes in fixing multicore plastic casing from the perforate of can, the described optical fiber of drawing is that 250 μ m have coat optical fiber at described can interior zone, parcel 900 μ m sleeve pipes are set in described can perimeter, and one end of this 900 μ m sleeve pipe is fixed in multicore plastic casing.
Described common port and transmission end fiber connector model are SC type or LC type fiber connector.
On the panel of described housing, be provided with light input adapter port, light o adapter port, light input test adapter port, control interface, described smooth input adapter port is connected with the transmission end of integrated WDM module, described smooth o adapter port is connected with the common port of integrated WDM module, described smooth input test adapter port is connected with 1 * k photoswitch input end, and described control interface is connected with circuit control unit.
Described smooth input adapter port, light o adapter port, light input test adapter port are SC type fiber adapter or LC type fiber adapter.
Described smooth input test adapter port adopts single work SC type flange or single work LC type flange.
Described smooth input adapter port, light o adapter port adopt duplexing SC flange or duplexing LC flange or 4 LC flanges.
The utlity model has following advantages:
1, the utility model structure, is designed to hyperchannel by integrated wavelength division multiplexer WDM module and multichannel optical switch and closes ripple switching device shifter, can directly apply to optical cable monitoring system, coordinates OTDR equipment, can to optical fiber cable, monitor in real time online.
2, the utility model is obviously reduced when equipment room interconnects and need to lay more optical fiber with scheme modularized processing by highly integrated, making within the scope of the finite space can the more optical fiber input/output port of layout, more business transmission line and fiber optic cable monitor passage is also provided simultaneously, the optical fiber having reduced in monitoring light path is flexibly connected head, thereby reduce to monitor the Insertion Loss of light path, having simplified hyperchannel business light is connected with the photosynthetic light path being multiplexed in optical link that involves of monitoring, be conducive to supervisor of construction's maintenance and management, greatly improved optical fiber cable on-line monitoring efficiency, be applied in Practical Project well.
Accompanying drawing explanation
Fig. 1 is that the utility model closes the structural representation of ripple switching device shifter for the hyperchannel of EPON monitoring;
Fig. 2 is the structural representation of the integrated WDM module of the utility model;
Wherein:
1, integrated WDM module; 2, one 1 * m photoswitch;
3, k 1 * m photoswitch; 4,1 * k photoswitch;
5, circuit control unit; 6, housing;
7, three port wavelength division multiplexer WDM unit; 8,1 * n photoswitch;
1-1, common port; 1-2, transmission end;
1-3, reflection end; 1-4, can;
1-5, multicore plastic casing;
6-1, light input adapter port;
6-2, light o adapter port;
6-3, light input test adapter port;
Embodiment
Below in conjunction with accompanying drawing, provide specific embodiment, further illustrate the utility model.
A kind of hyperchannel for EPON monitoring of the utility model closes ripple switching device shifter, comprise the integrated WDM module 1 that is arranged in housing 6, one 1 * m photoswitch 2 ... the k1 * m photoswitch 3,1 * k photoswitch 4, circuit control unit 5, wherein k=2
i, m=2
j, i and j are positive integer, one 1 * m photoswitch 2 ..., the k1 * m photoswitch 3 k 1 * m photoswitch altogether, one 1 * m photoswitch 2 ..., the k1 * m photoswitch 3,1 * k photoswitch 4 form 1 * n photoswitches 8.Described one 1 * m photoswitch 2 ..., the k1 * m photoswitch 3 n road output terminal be connected with the reflection end of described integrated WDM module 1 respectively, n=km wherein; One 1 * m photoswitch 2 ..., the k1 * m photoswitch 3 input end connect respectively a wherein road output terminal of 1 * k photoswitch 4; The same one 1 * m photoswitch 2 of described circuit control unit 5 ..., the k1 * m photoswitch 3,1 * k photoswitch, 4 control linkages.
The housing 6 that the hyperchannel that the utility model is monitored for EPON closes ripple switching device shifter is tetragonal body shells, its structural representation as shown in Figure 1, on the front panel of described tetragonal body shell, be connected to the optical port of three types, one type is light input adapter port 6-1, quantity has n, can be expressed as IN1, INm, INn-1, INn, this n light input end mouth is all by being fitly fixed on front panel and forming from left to right by fiber adapter, can be integral arrangement in panel on the upper side part or panel lower side portion part, the feature of the fiber adapter of described smooth input adapter port 6-1 is duplexing SC flange, also can be duplex or 4 LC flanges,
On the front panel of described tetragonal body shell 6, be provided with light o adapter port 6-2, quantity has n, can represent OUT1 ..., OUTm ..., OUTn-1, OUTn, this n optical output port is all by being fitly fixed on front panel and forming from left to right by fiber adapter, can be integral arrangement in panel on the upper side part or panel lower side portion part, the feature of the fiber adapter of described smooth o adapter port 6-2 is duplexing SC flange, can be also duplex or 4 LC flanges;
On the front panel of described tetragonal body shell, be connected to light input test adapter port 6-3, quantity is one, can be expressed as TEST, this test port is to be also fixed on panel and to be formed by fiber adapter, can be left side or the right side that is arranged in panel, the feature of the fiber adapter of described smooth input test adapter port 6-3 be single work SC flange or single work LC flange;
It should be noted that; the above-mentioned word of describing all about Fig. 1 optical port is only a kind of expression symbol; object has been marked effect; allow operating personnel's perspicuousness; all according to or embodiment based on Fig. 1 not deviating from other embodiment that its basic structure form does, be all the category of the utility model protection.
In the utility model embodiment, the concrete structure of integrated WDM module is as follows:
As shown in Figure 2, highly integrated by n three port wavelength division multiplexer WDM unit 7, the shell of described integrated WDM module is a can to the concrete structure of described integrated WDM module, and the inside is placed with n three port wavelength division multiplexer WDM unit 7.There is a common port 1-1 described each three port wavelength division multiplexer WDM unit, a transmission end 1-2, and a reflection end 1-3, the common port fiber C1 of example three port wavelength division multiplexer WDM unit as shown in Figure 2, transmission brings out fine P1, reflection end fiber R1.All fibers of n common port, a n transmission end and n the reflection end of the three port wavelength division multiplexer WDM unit of the n in described can are all drawn by the perforate of can 1-4, are fixed with multicore plastic casing 1-5 in all perforates.All optical fiber of drawing of described n wavelength division multiplexer WDM are that 250 μ m have coat optical fiber (claiming again 025 fibre) in can; at can external application 900 μ m casing protections (claiming again 09 fibre); 900 μ m sleeve pipes through multicore plastic casing to surveying and slightly stretch out a part in can; to the contact position of 900 μ m sleeve pipes and multicore plastic casing is carried out gluing fixing in can; n in can wavelength division multiplexer WDM and 025 fibre are rationally placed by the fine technique of dish; dense arrangement, compact conformation.Above-mentioned disposal route both can highly integrated wavelength division multiplexer WDM unit, dwindled can volume, can protect the fiber outside can again.
N common port of the three port wavelength division multiplexer WDM unit of the n in described can passes from be fixed on the multicore plastic casing can perforate, adopt 900 μ m casing protections, n root 09 fibre passing is as one group, wherein the tail end of every optical fiber is made SC or LC type fiber connector, and the common port 1-1 shown in Fig. 2 is the fiber of n root band SC or LC type fiber connector; N transmission end of the three port wavelength division multiplexer WDM unit of the n in described can passes from be fixed on the multicore plastic casing can perforate, adopt 900 μ m casing protections, n root 09 fibre passing is as one group, wherein the tail end of every optical fiber is made SC or LC type fiber connector, and the transmission end 1-2 shown in Fig. 2 is the fiber of n root band SC or LC type fiber connector; N reflection end of the three port wavelength division multiplexer WDM unit of the n in described can passes from be fixed on the multicore plastic casing can perforate; adopt 900 μ m casing protections; n root 09 fibre passing is as one group; the fiber tail end of this n reflection end does not process, the fiber of reflection end 1-3 as shown in Figure 2.
In the utility model embodiment, the structure of 1 * n photoswitch 8 is composed as follows:
1 * k photoswitch 4 that the described hyperchannel for EPON monitoring closes ripple switching device shifter inside has an input end and k branch's output terminal (k can get 2 or 4), and this input end is made SC or LC type fiber connector; The described hyperchannel for EPON monitoring close ripple switching device shifter inside one 1 * m photoswitch 2 ..., and the k1 * m photoswitch 3 have respectively an input end and m branch's output terminal; The k of described 1 * k photoswitch branch's output terminal respectively with one 1 * m photoswitch 2 ..., and each input end of the k1 * m photoswitch 3 connect, optical fiber can connect in welding, also can be made of one; Described 1 * k photoswitch and k 1 * m photoswitch forms 1 * n photoswitch 8 of a n passage, wherein n=km.When k=2, m can be 4,8,16,32,64,128, and n passage is 8,16,32,64,128,256 accordingly; When k=4; m can be 4,8,16,32,64; n passage is 16,32,64,128,256 accordingly; it should be noted that the port number n that the utility model closes glistening light of waves switch includes but not limited to 8,16,32,64,128,256; every n passage with the identical or close structure of the utility model embodiment and technical scheme closes glistening light of waves switch, all includes the category of the utility model protection in.
The utility model adopts the structure of 1 * k photoswitch and 1 * n photoswitch of k 1 * m photoswitch formation, can effectively utilize existing 1 * k photoswitch and 1 * m optical switch stack and form the more photoswitch of high channel, save construction cycle and the cost of development of multichannel optical switch.
In the utility model embodiment, the embodiment of inner each cell formation one is as follows:
Three port wavelength division multiplexer WDM unit in described integrated WDM module comprise public port, transmission port, reflector port, the optical fiber tail end of described public port and transmission port is provided with fiber connector, and the fiber connector type of public port and transmission port is SC or LC type fiber connector.N SC of described integrated WDM module common port or LC type fiber connector are inserted into the fiber adapter that n light o adapter port of described machine shell front panel is corresponding from inside, insertion sequence is one to one, the n root optical fiber between described n light o adapter port and described integrated WDM module common port is fixed on to the bottom of described complete machine housing the inside by coiling fine technique;
N SC of described integrated WDM module transmission end or LC type fiber connector are inserted into the fiber adapter that n light input adapter port of machine shell front panel is corresponding from inside, insertion sequence is one to one, the n root optical fiber between described n light input adapter port and described integrated WDM module transmission end is fixed on to the bottom of described complete machine housing the inside by coiling fine technique.
Described 1 * k photoswitch input end is arranged to SC or LC type fiber connector, and the SC of described 1 * k photoswitch input end or LC type fiber connector are inserted into the light input test adapter port of machine shell front panel from inside; Each road output terminal of described 1 * k photoswitch respectively with one 1 * m photoswitch ..., the k1 * m photoswitch input end link together, the order of connection is one to one, optical fiber can be that welding connects, also can be made of one, connected k root optical fiber is fixed on to the bottom of described complete machine housing the inside by coiling fine technique; The individual whole output branch optical fiber of 1 * m photoswitch of described k and the n root optical fiber of described integrated WDM module reflection end link together, the order of connection is one to one, optical fiber can be that welding connects, also can be made of one, connected n root optical fiber is fixed on to the bottom of described complete machine housing the inside by coiling fine technique.
In the utility model embodiment, the photosynthetic implementation procedure that involves the monitoring of its optical fiber link is specific as follows:
From described test light of closing the input of glistening light of waves switch testing adapter port, a branch end through 1 * k photoswitch outputs in a light path of one 1 * m photoswitch, if control circuit is selected the k branch end output of 1 * k photoswitch, that correspondence be exactly a light path of the k1 * m photoswitch, because light path is reversible, one 1 * m photoswitch or the k1 * one of the m photoswitch along separate routes test light of output enters into integrated WDM module through reflection end again; From light input adapter port, through transmission end, enter in addition the business light of WDM module, after closing ripple, integrated WDM module exports back-propagation from common port with test light, run into while comprising disconnected fine fault and reflect, the test light of reflection is because the effect of integrated WDM module turns back to OTDR by analysis and processes, provide failure message, realize the malfunction monitoring to optical fiber link.
The utility model is including, but not limited to above-mentioned embodiment; for professional and technical personnel in the field, be to be understood that; all do not depart from technical scheme and improvement that spirit and scope of the present utility model only done in form and details, are in the scope of claim protection of the present utility model.
Claims (8)
1. the hyperchannel for EPON monitoring closes ripple switching device shifter, it is characterized in that: comprise the integrated WDM module (1), 1 * n photoswitch (8), the circuit control unit (5) that are arranged in housing (6), described 1 * n photoswitch (8) comprise one 1 * m photoswitch (2) ... the k1 * m photoswitch (3), 1 * k photoswitch (4), wherein k=2
i, m=2
j, i and j are positive integer, described one 1 * m photoswitch (2) ... the n road output terminal of the k1 * m photoswitch (3) is connected with described integrated WDM module (1) reflection end respectively, wherein n=km; One 1 * m photoswitch (2) ... the input end of the k1 * m photoswitch (3) connects respectively a wherein road output terminal of 1 * k photoswitch (4); The same one 1 * m photoswitch (2) of described circuit control unit (5) ... the k1 * m photoswitch (3), 1 * k photoswitch (4) control linkage.
2. a kind of hyperchannel for EPON monitoring as claimed in claim 1 closes ripple switching device shifter, it is characterized in that: described integrated WDM module (1) comprises that three port wavelength division multiplexer WDM unit (7) and can (1-4) form, described three port wavelength division multiplexer WDM unit (7) comprise public port (1-1), transmission port (1-2), reflector port (1-3), and the optical fiber tail end of described public port (1-1) and transmission port (1-2) is provided with fiber connector.
3. a kind of hyperchannel for EPON monitoring as claimed in claim 2 closes ripple switching device shifter, it is characterized in that: the optical fiber of drawing of described three port wavelength division multiplexer WDM unit (7) passes in fixing multicore plastic casing (1-5) from the perforate of can (1-4), the described optical fiber of drawing is that 250 μ m have coat optical fiber at described can (1-4) interior zone, parcel 900 μ m sleeve pipes are set in described can (1-4) perimeter, and one end of this 900 μ m sleeve pipe is fixed in multicore plastic casing (1-5).
4. a kind of hyperchannel for EPON monitoring closes ripple switching device shifter as claimed in claim 2 or claim 3, it is characterized in that: described common port and transmission end fiber connector model are SC type or LC type fiber connector.
5. a kind of hyperchannel for EPON monitoring as described in claim 1 or 2 or 3 closes ripple switching device shifter, it is characterized in that: on the panel of described housing (6), be provided with light input adapter port, light o adapter port, light input test adapter port, control interface, described smooth input adapter port is connected with the transmission end of integrated WDM module (1), described smooth o adapter port is connected with the common port of integrated WDM module (1), described smooth input test adapter port is connected with 1 * K photoswitch (4) input end, the same circuit control unit of described control interface (5) is connected.
6. a kind of hyperchannel for EPON monitoring as claimed in claim 5 closes ripple switching device shifter, it is characterized in that: described smooth input adapter port, light o adapter port, light input test adapter port are SC type fiber adapter or LC type fiber adapter.
7. a kind of hyperchannel for EPON monitoring as claimed in claim 6 closes ripple switching device shifter, it is characterized in that: described smooth input test adapter port adopts single work SC type flange or single work LC type flange.
8. a kind of hyperchannel for EPON monitoring as claimed in claim 6 closes ripple switching device shifter, it is characterized in that: described smooth input adapter port, light o adapter port adopt duplexing SC flange or duplexing LC flange or 4 LC flanges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320766259.8U CN203573002U (en) | 2013-11-28 | 2013-11-28 | Multichannel wave-combining switching device for passive optical network monitoring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320766259.8U CN203573002U (en) | 2013-11-28 | 2013-11-28 | Multichannel wave-combining switching device for passive optical network monitoring |
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| CN203573002U true CN203573002U (en) | 2014-04-30 |
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| CN201320766259.8U Expired - Lifetime CN203573002U (en) | 2013-11-28 | 2013-11-28 | Multichannel wave-combining switching device for passive optical network monitoring |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104238028A (en) * | 2014-09-02 | 2014-12-24 | 新中合光电科技（保靖）有限公司 | Intelligent optic fiber jumper connection device |
| CN107817565A (en) * | 2016-09-12 | 2018-03-20 | 南京中兴软件有限责任公司 | Optical fiber is with fine disk body, office to optical routing equipment and office to optical routing connection method |
| CN112713931A (en) * | 2021-01-27 | 2021-04-27 | 武汉光迅科技股份有限公司 | OTDR equipment, optical time domain reflection detection method and storage medium |
| CN116560006A (en) * | 2023-07-10 | 2023-08-08 | 广东电网有限责任公司佛山供电局 | Optical fiber remote automatic switching device, method and equipment |
-
2013
- 2013-11-28 CN CN201320766259.8U patent/CN203573002U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104238028A (en) * | 2014-09-02 | 2014-12-24 | 新中合光电科技（保靖）有限公司 | Intelligent optic fiber jumper connection device |
| CN107817565A (en) * | 2016-09-12 | 2018-03-20 | 南京中兴软件有限责任公司 | Optical fiber is with fine disk body, office to optical routing equipment and office to optical routing connection method |
| CN112713931A (en) * | 2021-01-27 | 2021-04-27 | 武汉光迅科技股份有限公司 | OTDR equipment, optical time domain reflection detection method and storage medium |
| CN112713931B (en) * | 2021-01-27 | 2022-03-11 | 武汉光迅科技股份有限公司 | OTDR equipment, optical time domain reflection detection method and storage medium |
| CN116560006A (en) * | 2023-07-10 | 2023-08-08 | 广东电网有限责任公司佛山供电局 | Optical fiber remote automatic switching device, method and equipment |
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