CN202837626U - Multipath fiber demultiplexer - Google Patents
Multipath fiber demultiplexer Download PDFInfo
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- CN202837626U CN202837626U CN201220449048.7U CN201220449048U CN202837626U CN 202837626 U CN202837626 U CN 202837626U CN 201220449048 U CN201220449048 U CN 201220449048U CN 202837626 U CN202837626 U CN 202837626U
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Abstract
The utility model relates to a multipath fiber demultiplexer, comprising a logic processing chip, a controller, a display part and a plurality of photoelectric conversion units. Each photoelectric conversion unit is used for connecting an external fiber channel with the logic processing chip and for the photoelectric information transmission between the external fiber channel and the logic processing chip; the logic processing chip is used for receiving a gating control signal and selecting an object fiber channel under the control of the gating control signal; the controller is connected with the logic processing chip for generating the gating control signal; and the display part is connected with the controller for displaying the information indicating the work state of the object fiber channel according to the gating control signal, or the display part is connected with the logic processing chip for displaying information indicating the work state of the object fiber channel when the logic processing chip selects the object fiber channel. According to the utility model, no mechanical type fiber change over switch is required, no fiber plugging happens, and thereby the problem caused by plugging is prevented.
Description
Technical field
The utility model relates to the electronic circuit technology field, more particularly, relates to the multi-channel optical fibre tapping device.
Background technology
In relay protection of power system and automatic field, in the operation of power networks during with by-pass switch band line switching, the situation that needs to switch optical-fibre channel is also more and more.At present, on-the-spot in electric system, the implementation method that optical-fibre channel is switched mainly contains: plug tail optical fiber method and photoswitch switch method.Wherein: plug tail optical fiber method is a kind of optical channel changing method that relatively early occurs, and is the optical fiber (generally being tail optical fiber) by being connected to device, takes off a kind of method that the device that being connected to needs switching gets on from this device optical channel.The method needs artificial plug optical fiber, still has now a lot of occasions to use the method.The fiber termination box connection is changed by plug tail optical fiber method in fact comes.Designed a kind of fiber termination box, the optical fiber (tail optical fiber) of preparing the device of switching all has been connected to a side of this fiber termination box.The fiber termination box opposite side is used for short circuit, when needing to connect two devices, this side with optical fiber short circuit on.
In the process that the utility model is created, the inventor finds that described plug tail optical fiber and fiber termination box connection all adopt Manual mechanical to switch optical cable, under these two kinds of modes of operation, each switching channel all needs manually to plug optical fiber, and operating mistake easily occurs complicated operation; Cause easily the fibre-optical splice damage during plug optical fiber, so that fiber alignment is inaccurate, Optical Fiber Transmission is undesired, causes needs to change optical fiber or optic fibre switching head; And, behind each plug optical fiber, all needing to carry out light signal and test to check passage whether to connect with luminous power to test to check the light decay consumption whether normal, process is loaded down with trivial details, and all needs the on-the-spot optical channel checkout equipment of preparing.
The utility model content
In view of this, the purpose of this utility model is to provide a kind of multi-channel optical fibre tapping device, with solve need plug in the prior art and cause fibre-optical splice to damage, the series of problems such as optical fiber communication is undesired.
The technical solution of the utility model is as follows:
A kind of multi-channel optical fibre tapping device comprises: logical process chip, controller, display unit and a plurality of photoelectric conversion unit, wherein:
Each described photoelectric conversion unit connects outside optical-fibre channel and described logical process chip, will be converted to electric signal from the light signal that optical-fibre channel transmits and send to described logical process chip, and, will be converted to from the electric signal of described logical process chip light signal and also send by described optical-fibre channel;
Described logical process chip be used for to receive the gating control signal, and under the control of described gating control signal the select target optical-fibre channel;
Described controller links to each other with described logical process chip, for generation of described gating control signal;
Described display unit links to each other with described controller, to show the in running order information of target optical-fibre channel that is used to indicate according to described gating control signal, perhaps described display unit links to each other with described logical process chip, with when the described logical process chip selection target optical-fibre channel, show the in running order information of described target optical-fibre channel that is used to indicate.
Preferably, in the said apparatus, described display unit comprises a plurality of light emitting diodes, the corresponding optical-fibre channel of each light emitting diode.
Preferably, in the said apparatus, described controller comprises a plurality of toggle switchs, the corresponding optical-fibre channel of each switch.
Preferably, in the said apparatus, described photoelectric conversion unit comprises: light load module, Optical Receivers and lens module, wherein:
Light load module scioptics module is connected with Optical Receivers, which is provided with the many input optical fibres that be arranged in parallel;
Described Optical Receivers has a substrate, on this substrate parallel show with input optical fibre over against and photovalve one to one;
Described lens module comprises two blocks of glass plates that be arranged in parallel, and be arranged on many biconvex cylindrical lenses that are arranged in parallel successively between two blocks of glass plates, the first surface of every biconvex cylindrical lens is relative with the light load module, and the second curved surface is relative with Optical Receivers.
Preferably, in the said apparatus, the distance between described adjacent two biconvex cylindrical lenses equates with the distance that links to each other between two input optical fibres.
Preferably, in the said apparatus, the spacing of described adjacent two photovalves equates with distance between adjacent two biconvex cylindrical lenses.
Preferably, in the said apparatus, the curved surface diameter of every biconvex cylindrical lens equates with the input optical fibre external diameter.
Preferably, in the said apparatus, the two ends of described every biconvex cylindrical lens are adhered to respectively on described two blocks of glass plates.
Can find out from technique scheme, the scheme that the utility model provides connects a plurality of optical-fibre channels by a logical process chip, and utilize controller to realize selection and the switching of optical-fibre channel, and need not to introduce by the mechanical type change-over switch, need not plug optical fiber, avoid plugging the series of problems that causes.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to the accompanying drawing that provides other accompanying drawing.
Fig. 1 and Fig. 2 are the structural representations of a kind of multi-channel optical fibre tapping device of providing of the utility model;
Fig. 3 ~ Fig. 5 is the structural representation of Logical processing unit among Fig. 1 or Fig. 2:
Fig. 6 is the use-pattern synoptic diagram of a kind of multi-channel optical fibre tapping device of providing of the utility model;
Fig. 7 is the mode synoptic diagram that a kind of multi-channel optical fibre tapping device that the utility model provides adopts cascade;
Fig. 8 is a kind of structural representation of photoelectric conversion unit in a kind of multi-channel optical fibre tapping device of providing of the utility model.
Embodiment
The utility model just electronic switch is introduced the process that optical-fibre channel is switched, be fixedly connected with a plurality of optical-fibre channels by a logical process chip dexterously, and utilize controller to realize selection and the switching of optical-fibre channel, and need not to introduce by the mechanical type change-over switch, thereby the series of problems of having avoided plug to cause, comprise needs artificial plug optical fiber and cause complicated operation and easy maloperation, cause easily the fibre-optical splice damage, thereby causing that fiber alignment is inaccurate affects normal optical fiber communication, needing behind each plug optical fiber also to have avoided passage and the luminous power testing process of carrying out.
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described.Obviously, described embodiment only is a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 and Fig. 2 are the structural representations of optical-fibre channel multi-path tapping device of the present utility model.Such as Fig. 1 or shown in Figure 2, described swap-free optical-fibre channel multi-path tapping device for relay protection realizes that by the following technical solutions described device comprises:
A plurality of photoelectric conversion modules, this modular converter is connected with Logical processing unit, is used for the light signal that receives is converted to the electric signal of delivering to Logical processing unit and will be converted to from the electric signal of Logical processing unit the light signal that sends out;
A Logical processing unit, this Logical processing unit comprise two multi channel selecting modules and an indicator signal generation module, and are connected with described a plurality of photoelectric conversion modules, are used for selecting to carry out under the control of gating control signal the passage of Optical Fiber Transmission;
A controller links to each other with described logical process chip, for generation of described gating control signal;
A display unit, link to each other with described controller, to show the in running order information of target optical-fibre channel that is used to indicate according to described gating control signal, perhaps described display unit links to each other with described logical process chip, with when the described logical process chip selection target optical-fibre channel, show the in running order information of described target optical-fibre channel that is used to indicate.
The related optical-fibre channel of the utility model all refers to duplex channel, and namely each passage has sending and receiving optical fiber.Main thought of the present utility model is that light signal is converted to electric signal, according to the selector switch of passage, carries out channel allocation in electric signal, and then is converted to light signal.Photoelectric conversion module is selected in requirement according to light signal.The pilot lamp of display unit is provided by optical-electric module, to show corresponding passage just at transmitting optical signal, also indicates which passage selected simultaneously.As shown in Figure 1, wherein the light of a plurality of photoelectric conversion modules transmitting-receiving mould poor " photoelectric conversion module No1 "～" photoelectric conversion module N08 " is that light signal with 8 passages such as N01～N08 is converted to electric signal, and these electric signal are connected on the Logical processing unit of device inside, " photoelectric conversion module N11 " is that the light signal with this 1 passage of N11 is converted to electric signal and is connected on the internal logic processing unit.Controller comprises 8 toggle switchs, is respectively K01～K08, and display unit comprises 8 light emitting diodes, is respectively Lol～L08.Described controller and display unit can be combined as a whole, and then K01 ~ K08, L01 ~ L08 are arranged on the panel, and these 8 passages of they and N01 to N08 are corresponding.When wish is connected certain passage among N01 ~ N08 the passage connection with N11, only need the toggle switch that this passage is corresponding to beat in the position of " 0N ", the corresponding switch of rest channels is beaten in the position of " OFF " and is got final product.After this passage and N 11 passage conductings, L01～L08 neutralizes its corresponding light emitting diode will be luminous.
Fig. 3 ~ Fig. 5 is the structural representation of Logical processing unit among Fig. 1 or Fig. 2.Such as Fig. 3 ~ shown in Figure 5, Logical processing unit adopts current advanced person's large scale integrated circuit EPLD (Erasable Progmmable Logic Device: the erasable programmable Logical processing unit).In this Logical processing unit, two multi channel selecting modules and an indicator signal generation module have been designed, such as Fig. 3 ~ shown in Figure 5.This indicator signal generation module provides the signal of demonstration for display unit, for N01～N08 and these nine passages of N11, each passage has three signals to connect with Logical processing unit, collect mail number, signal and without light signal, collecting mail number and signal and received by the light of each photoelectric conversion module respectively and light is sent out the electric signal that is transformed into, is that photoelectric conversion module transmits an information of indicating this module whether to work without light signal.Multi channel selecting module MUXI is for receiving multi channel selecting, the one end connects the receipts of each passage of N01～N08, one end connects sending out of N11 passage, the positional information of the K01～K08 that transmits according to device is carried out gating and is received passage, and multi channel selecting device MUXZ2, then be responsible for the passage of N01～N08, the same MUXI of function.
Fig. 6 is the use-pattern synoptic diagram of optical-fibre channel multi-path tapping device of the present utility model.Protective relaying device Z11 is by the design's " optical-fibre channel multi-path tapping device " and protective relaying device Z01～Z08 communication.The transmitting-receiving of the optical-fibre channel of protective relaying device Z11, Z01～Z08 respectively be connected the transmitting-receiving of N11, the N0l of " optical-fibre channel multi-path tapping device " ~ N08 optical-fibre channel and connect.When selecting certain passage Noi (i 2 1～8) by K01～K08 on the optical-fibre channel multi-path tapping device panel, protective relaying device Z11 just with protective relaying device Z01～Z08 in Z0i (i=1～8) carry out communication.
Fig. 7 is the synoptic diagram that optical-fibre channel multi-path tapping device of the present utility model adopts cascade system.As shown in Figure 7, when more than 8 the time, adopting the mode of cascade to expand more than the protective relaying device that is strobed.Optical-fibre channel multi-path tapping device G01 and G02 are two identical optical-fibre channel multi-path tapping devices among Fig. 7, and Z01～Z015 is the protective relaying device of wanting to be strobed, and Z11 be will and Z01～Z015 in some gatings that needs.Design Z11 is connected on the N11 passage of G01, and Z01～Z07 is connected on N0l～N07 of G01, and the G02 that is used for cascade is connected to the N08 passage of G01 by itself N11, and Z08～Z015 is connected on the N01 of G02～N08 passage.When certain communication in Z11 needs and the Z01～Z07 device, toggle switch K01～K07 that it is corresponding beats in the position of " ON ", and other toggle switchs on the G01 are beaten the position at " OFF ".The toggle switch of G02 device can arrange.Want and certain of Z08～Z015 when installing Z0i (i=8～15) communication such as Z11, the K08 of G01 is beaten in " 0N " position, all the other toggle switchs of G01 are beaten in " OFF " position, beating in " 0N " position in the corresponding toggle switch of Z0i on the while G02, other toggle switchs on the G02 are beaten in " OFF " position.
A kind of structure of described photoelectric conversion module comprises light load module 81, Optical Receivers 82 and lens 83 as shown in Figure 8, wherein:
Described lens 83 are connected between described smooth load module 81 and the Optical Receivers 82.
Described smooth load module 81 is provided with the input optical fibre that one or more be arranged in parallel.
Described Optical Receivers 82 has a substrate 821, on this substrate 821 parallel show with input optical fibre over against and photovalve 822 one to one, described photovalve 822 is photodiode.
Described lens 83 comprise two blocks of glass plates that be arranged in parallel 832, and are arranged on the many biconvex cylindrical lenses 831 that 832 of two blocks of glass plates are arranged in parallel successively, and these many biconvex cylindrical lenses 831 are arranged on the glass plate 832 with the form of single-row array.The first surface of every biconvex cylindrical lens 531 is relative with light load module 81, and the second curved surface is relative with Optical Receivers 82.Light signal enters every corresponding biconvex cylindrical lens 831 after penetrating from input optical fibre, behind biconvex cylindrical lens 831, shines in the photovoltaic element.The curved surface peak of described every biconvex cylindrical lens 831 is on same vertical plane, be that every biconvex cylindrical lens 831 is isometric, and its curvature is all identical, so that every input optical fibre can remain on the same vertical plane through the focusing behind the biconvex cylindrical lens 831, light is focused on the photovoltaic element, photovoltaic element can well receive light signal, and light loss is minimum.
For the difficulty that further reduces to encapsulate, can select the larger biconvex cylindrical lens 831 of focal length, like this, biconvex cylindrical lens 831 can be installed in from the place of photovoltaic element away from.
Need to prove that each embodiment can replenish mutually in this instructions, what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
In addition, also need to prove, in this article, relational terms such as the first and second grades only is used for an entity or operation are made a distinction with another entity or operation, and not necessarily requires or hint and have the relation of any this reality or sequentially between these entities or the operation.In addition, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby not only comprise those key elements so that comprise process, method, article or the equipment of a series of key elements, but also comprise other key elements of clearly not listing, or also be included as the intrinsic key element of this process, method, article or equipment.Do not having in the situation of more restrictions, the key element that is limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can in the situation that does not break away from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. a multi-channel optical fibre tapping device is characterized in that, comprising: logical process chip, controller, display unit and a plurality of photoelectric conversion unit, wherein:
Each described photoelectric conversion unit connects outside optical-fibre channel and described logical process chip, will be converted to electric signal from the light signal that optical-fibre channel transmits and send to described logical process chip, and, will be converted to from the electric signal of described logical process chip light signal and also send by described optical-fibre channel;
Described logical process chip be used for to receive the gating control signal, and under the control of described gating control signal the select target optical-fibre channel;
Described controller links to each other with described logical process chip, for generation of described gating control signal;
Described display unit links to each other with described controller, to show the in running order information of target optical-fibre channel that is used to indicate according to described gating control signal, perhaps described display unit links to each other with described logical process chip, with when the described logical process chip selection target optical-fibre channel, show the in running order information of described target optical-fibre channel that is used to indicate.
2. multi-channel optical fibre tapping device according to claim 1 is characterized in that, described display unit comprises a plurality of light emitting diodes, the corresponding optical-fibre channel of each light emitting diode.
3. multi-channel optical fibre tapping device according to claim 1 is characterized in that, described controller comprises a plurality of toggle switchs, the corresponding optical-fibre channel of each switch.
4. the described multi-channel optical fibre tapping device of any one according to claim 1 ~ 3 is characterized in that described photoelectric conversion unit comprises: light load module, Optical Receivers and lens module, wherein:
Light load module scioptics module is connected with Optical Receivers, which is provided with the many input optical fibres that be arranged in parallel;
Described Optical Receivers has a substrate, on this substrate parallel show with input optical fibre over against and photovalve one to one;
Described lens module comprises two blocks of glass plates that be arranged in parallel, and be arranged on many biconvex cylindrical lenses that are arranged in parallel successively between two blocks of glass plates, the first surface of every biconvex cylindrical lens is relative with the light load module, and the second curved surface is relative with Optical Receivers.
5. multi-channel optical fibre tapping device according to claim 4 is characterized in that: the distance between described adjacent two biconvex cylindrical lenses equates with the distance that links to each other between two input optical fibres.
6. multi-channel optical fibre tapping device according to claim 4 is characterized in that: the spacing of described adjacent two photovalves equates with distance between adjacent two biconvex cylindrical lenses.
7. multi-channel optical fibre tapping device according to claim 4, it is characterized in that: the curved surface diameter of every biconvex cylindrical lens equates with the input optical fibre external diameter.
8. multi-channel optical fibre tapping device according to claim 4, it is characterized in that: the two ends of described every biconvex cylindrical lens are adhered to respectively on described two blocks of glass plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220449048.7U CN202837626U (en) | 2012-09-05 | 2012-09-05 | Multipath fiber demultiplexer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220449048.7U CN202837626U (en) | 2012-09-05 | 2012-09-05 | Multipath fiber demultiplexer |
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| Publication Number | Publication Date |
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| CN202837626U true CN202837626U (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201220449048.7U Expired - Lifetime CN202837626U (en) | 2012-09-05 | 2012-09-05 | Multipath fiber demultiplexer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI512350B (en) * | 2013-09-18 | 2015-12-11 | Jiang Roger | Optical transceiver device |
| CN105486673A (en) * | 2016-01-27 | 2016-04-13 | 北京师范大学 | Chlorophyll fluorescence automation monitoring system |
| CN106461954A (en) * | 2014-04-04 | 2017-02-22 | Adc电信公司 | Optical splitter |
-
2012
- 2012-09-05 CN CN201220449048.7U patent/CN202837626U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI512350B (en) * | 2013-09-18 | 2015-12-11 | Jiang Roger | Optical transceiver device |
| CN106461954A (en) * | 2014-04-04 | 2017-02-22 | Adc电信公司 | Optical splitter |
| CN106461954B (en) * | 2014-04-04 | 2019-10-18 | Adc电信公司 | Optical splitter |
| CN105486673A (en) * | 2016-01-27 | 2016-04-13 | 北京师范大学 | Chlorophyll fluorescence automation monitoring system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 100088, room 12, block B, 8, Xinjie street, No. 310, Xinjie, Beijing, Xicheng District Patentee after: DEXINDONGYUAN INTELLIGENT TECHNOLOGY (BEIJING) Co.,Ltd. Address before: 100088, B, block 8, Xinjie street, 309 Xinjie street, Beijing, Xicheng District Patentee before: DEPOWER ENGINEERING SERVICE (BEIJING) CO.,LTD. |
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| CX01 | Expiry of patent term |
Granted publication date: 20130327 |
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| CX01 | Expiry of patent term |