CN201114084Y - CobraNet double optical fibre transceiver - Google Patents
CobraNet double optical fibre transceiver Download PDFInfo
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- CN201114084Y CN201114084Y CNU200720183756XU CN200720183756U CN201114084Y CN 201114084 Y CN201114084 Y CN 201114084Y CN U200720183756X U CNU200720183756X U CN U200720183756XU CN 200720183756 U CN200720183756 U CN 200720183756U CN 201114084 Y CN201114084 Y CN 201114084Y
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 80
- 238000001514 detection method Methods 0.000 claims abstract description 27
- 230000003287 optical effect Effects 0.000 claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- 239000000835 fiber Substances 0.000 claims description 23
- 230000005693 optoelectronics Effects 0.000 claims description 3
- 239000000523 sample Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 18
- 230000009977 dual effect Effects 0.000 abstract 2
- 230000007547 defect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005236 sound signal Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229940085805 fiberall Drugs 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a CobraNet dual optical fiber transceiver which relates to the CobraNet audio network transmission technical field. The defect that the redundant transmission can not be realized exists in the prior art, a CobraNet module of the utility model is connected with at least two optical fiber transcieving modules which are controlled by an audio transceiving and routing control module and can realize the photoelectric conversion; the CobraNet module is also at least provided with two electric signal interfaces; each electric signal interface is respectively connected with one optical fiber transceiving module; the CobraNet dual optical fiber transceiver also comprises an optical fiber status detection module; the detection end of the optical fiber status detection module is connected to the optical fiber transcieving modules; and the signal output end of the optical fiber status detection module is connected to the audio transceiving and routing control module. By additionally arranging the optical fiber status detection module in the transceiver to detect the status of circuits and optical paths and the feedback information of the optical fiber transcieving modules, the redundant switching is realized, thereby assuring the reliability of the transmission.
Description
[technical field]
The utility model relates to CobraNet audio network transmission technique field, specifically is the two fiber optical transceivers of a kind of CobraNet, be applied to transmission range require far away, reliability requirement is high, need be by the occasion of Optical Fiber Transmission.
[background technology]
CobraNet audio network transmission technology has realized the real-time Transmission of digital audio and video signals at Ethernet, the CobraNet technology has formed standard, each CobraNet equipment maximum can receive 32 passages simultaneously or send the non-compressed word audio signal of 32 channel sample frequency 48KHZ, resolution 24/20BIT, the CobraNet equipment of different vendor can seamless link, shares digital audio-frequency data mutually.
The CobraNet technology has mainly solved the real-time Transmission problem of audio network, the transmitting physical medium that adopts is the CAT-5 cable, but the transmission range of the signal of telecommunication is limited, generally within 100 meters, can not directly realize long-distance transmissions, influence promoting the use of of CobraNet technology.
In order to realize long-distance transmissions, method commonly used is to utilize the external optical fiber transceiver, realizes the conversion of the light signal and the signal of telecommunication.In order to guarantee transmission reliability, active and standby two-way transmission line need be set usually.But the CobraNet technology is not directly supported two redundant optical fibers transmission, is about to active and standby RJ45 mouth and is connected with two external optical fiber transceivers and can not realizes redundant transmission.When the light path of main fiber transceiver undesired, and circuit and the circuit between the CobraNet module master RJ45 interface that main fiber is received device connect just often, the CobraNet module thinks that still main RJ45 interface is normal, and the signal transmission can not automatically switch to standby RJ45 port.
[utility model content]
In order to overcome the above-mentioned defective that exists in the prior art, the utility model provides a kind of CobraNet two fiber optical transceivers, realizes the redundancy switching of two optical fiber by adding the optical fiber state detection module, guarantees the reliability of transmission.
For this reason, the utility model is by the following technical solutions: the two fiber optical transceivers of CobraNet, comprise audio frequency transmitting-receiving and routing module control, the CobraNet module that links to each other with audio frequency transmitting-receiving and routing module control, it is characterized in that described CobraNet module is connected with at least two the optical fiber transceiver modules that also can be realized opto-electronic conversion by audio frequency transmitting-receiving and routing module control control switch, the CobraNet module also has two electric signal interfaces at least, each electric signal interface is connected with an optical fiber transceiver module respectively, the two fiber optical transceivers of described CobraNet also include the optical fiber state detection module, the end of probe of this optical fiber state detection module is connected on each optical fiber transceiver module, and its signal output part then is connected to audio frequency transmitting-receiving and routing module control.Existing audio frequency transmitting-receiving and routing module control all are provided with microcontroller; the circuit and the optical path states of each optical fiber transceiver module of optical fiber state detection module cycle detection; when normal or circuit is undesired when the light path of finding a certain optical fiber transceiver module; the optical fiber state detection module is issued microcontroller with signal; microcontroller just can cut off the power supply of this optical fiber transceiver module; force the electric signal interface dead electricity of CobraNet module correspondence; the audio frequency transmitting-receiving of CobraNet module will go to other electric signal interfaces automatically; realize transmitting-receiving by other optical fiber transceiver modules, thereby realized redundant switching.
As the further of technique scheme improved and replenish, the utility model is further taked following technical measures:
Described optical fiber state detection module and optical fiber transceiver module all are enclosed in the shielding box, to reduce the influence of optical fiber transceiver module work to audio signal.
The two fiber optical transceivers of described CobraNet have a cabinet, each above-mentioned module all places in the cabinet, described audio frequency transmitting-receiving and routing module control are located on the mainboard, described CobraNet module is connected on this mainboard equally, shielding box places mainboard one side and isolated by the element on a baffle plate and the mainboard, audio frequency is received and dispatched processing section and photoelectric conversion section separate in two controls, influencing each other when further having reduced work.
Described optical fiber state detection module is connected with the display unit that shows optical fiber transceiver module operating state, and display unit can adopt LED lamp or LCDs.When the work of optical fiber transceiver module was undesired, display unit just can demonstrate the corresponding information that reports an error, so that in time handle.
Beneficial effect: the utility model detects circuit and the optical path states and the feedback information of each optical fiber transceiver module by add the optical fiber state detection module in transceiver, has realized redundant switching, thereby has guaranteed the reliability of transmission.
[description of drawings]
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a schematic block diagram of the present utility model.
Fig. 3 is the structural representation of the utility model shielding box.
Fig. 4 is the schematic layout pattern of the utility model optical fiber state detection module and optical fiber transceiver module.
Fig. 5 is a kind of workflow diagram of the present utility model.
[embodiment]
The two fiber optical transceivers of CobraNet as shown in Figure 1, 2 are provided with technical grade Switching Power Supply 11 in the cabinet, convert 220VAC to DC power supply.Baffle plate 17 is divided into two spaces with cabinet, and audio frequency transmitting-receiving and routing module control 13 are integrated on the mainboard, are connected with CobraNet module 14 on the mainboard.Optical fiber state detection module 110 and optical fiber transceiver module 19 are located in the shielding box 12, are connected by CAT-5 cable 15 between optical fiber transceiver module 19 and the CobraNet module 14, and the optical signal interface of optical fiber transceiver module 19 is by optical fiber 18 outputs.Optical fiber state detection module 110 links to each other with audio frequency transmitting-receiving and routing module control 13 with optical fiber transceiver module 19 respectively.Audio frequency transmitting-receiving and routing module control 13 contain microcontroller.Optical fiber state detection module 110 is connected therefrom to obtain DC power supply with power supply combination winding displacement 16 by signal with mainboard interface with optical fiber transceiver module 19, and the mainboard microcontroller therefrom obtains the optical fiber state.
Optical fiber state detection module of the present utility model can realize that microcontroller can be 8 MCU by the AT2051 microcontroller of atmel corp.
Only containing active and standby two optical fiber transceiver modules with transceiver below is example.
Fig. 3 is the schematic diagram of shielding box, has the SC type optical fiber interface 32,33 of active and standby optical fiber transceiver module and the RJ45 network interface 35,36 of active and standby optical fiber transmitting-receiving on the box body 31, also is provided with the power supply input and the signal condition output interface 34 of optical fiber state detection module.Two optical fiber interfaces on the cabinet are connected by the optical fiber interface 12,13 in the optical fiber patchcord and 11, and through after the inner opto-electronic conversion, the signal of telecommunication is connected with the active and standby RJ45 interface of CobraNet module by the CAT-5 cable from network interface 35,36 outputs.
Fig. 4 is the arrangement signal of optical fiber transceiver module, optical fiber state detection module, main fiber transceiver module 41, is equipped with optical fiber transceiver module 42 and optical fiber state detection module 43 all can be integrated on the pcb board, interconnects by contact pin between the three.Optical fiber state detection module 43 is by connecting the state information that contact pin obtains main fiber transceiver module 41, is equipped with optical fiber transceiver module 42, draw the circuit and the optical path states of optical fiber transceiver module after the analysis, and input of the power supply from Fig. 3 and 34 outputs of signal condition output interface.
Workflow of the present utility model as shown in Figure 5, during the work of two redundant optical fibers, the microcontroller timing scan optical fiber state of audio frequency transmitting-receiving and routing module control.When scanning result is main fiber normal (circuit and light path), when optical fiber is undesired fully, sounds or the LED warning that indication is equipped with circuit or the light path failure state that optical fiber is sent out device; When scanning result be main fiber undesired, be equipped with optical fiber just often, sound or the LED warning, the indication main fiber is sent out the circuit or the light path failure state of device, cut off the power supply of main fiber transceiver then, disconnect CobraNet module primary network interface circuit and connect, so that the CobraNet module switches to standby RJ45 interface from main RJ45 interface.When scanning result is active and standby optical fiber all undesired (circuit and a light path), sound or the LED warning, indicate active and standby optical fiber to send out the circuit or the light path failure state of device.
Claims (6)
1, the two fiber optical transceivers of CobraNet, comprise audio frequency transmitting-receiving and routing module control, the CobraNet module that links to each other with audio frequency transmitting-receiving and routing module control, it is characterized in that: described CobraNet module is connected with at least two the optical fiber transceiver modules that also can be realized opto-electronic conversion by audio frequency transmitting-receiving and routing module control control switch, the CobraNet module also has two electric signal interfaces at least, each electric signal interface is connected with an optical fiber transceiver module respectively, the two fiber optical transceivers of described CobraNet also include the optical fiber state detection module, the end of probe of this optical fiber state detection module is connected on each optical fiber transceiver module, and its signal output part then is connected to audio frequency transmitting-receiving and routing module control.
2, the two fiber optical transceivers of CobraNet according to claim 1, it is characterized in that: described optical fiber state detection module and optical fiber transceiver module all are enclosed in the shielding box.
3, the two fiber optical transceivers of CobraNet according to claim 2, it is characterized in that: the two fiber optical transceivers of described CobraNet have a cabinet, each above-mentioned module all places in the cabinet, described audio frequency transmitting-receiving and routing module control are located on the mainboard, described CobraNet module is connected on this mainboard equally, and shielding box places mainboard one side and isolated by the element on a baffle plate and the mainboard.
4, according to claim 1, the two fiber optical transceivers of 2 or 3 described CobraNet, it is characterized in that: described optical fiber state detection module is connected with the display unit that shows optical fiber transceiver module operating state.
5, the two fiber optical transceivers of CobraNet according to claim 4, it is characterized in that: described display unit is a LED light.
6, the two fiber optical transceivers of CobraNet according to claim 4, it is characterized in that: described display unit is a LCDs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720183756XU CN201114084Y (en) | 2007-09-30 | 2007-09-30 | CobraNet double optical fibre transceiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720183756XU CN201114084Y (en) | 2007-09-30 | 2007-09-30 | CobraNet double optical fibre transceiver |
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| Publication Number | Publication Date |
|---|---|
| CN201114084Y true CN201114084Y (en) | 2008-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720183756XU Expired - Fee Related CN201114084Y (en) | 2007-09-30 | 2007-09-30 | CobraNet double optical fibre transceiver |
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| Country | Link |
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| CN (1) | CN201114084Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103945316A (en) * | 2014-04-29 | 2014-07-23 | 天津市黎明时代轨道交通技术有限公司 | Active digital line array |
| CN107643989A (en) * | 2016-07-22 | 2018-01-30 | 北京中科信电子装备有限公司 | One kind is based on pci bus agreement dual fiber ring road redundancy structure Communication Card |
-
2007
- 2007-09-30 CN CNU200720183756XU patent/CN201114084Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103945316A (en) * | 2014-04-29 | 2014-07-23 | 天津市黎明时代轨道交通技术有限公司 | Active digital line array |
| CN107643989A (en) * | 2016-07-22 | 2018-01-30 | 北京中科信电子装备有限公司 | One kind is based on pci bus agreement dual fiber ring road redundancy structure Communication Card |
| CN107643989B (en) * | 2016-07-22 | 2022-05-10 | 北京中科信电子装备有限公司 | Dual-optical-fiber loop redundancy structure communication board card based on PCI bus protocol |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HANGZHOU DIGISPIDER TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHAO FAN Effective date: 20101103 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 310005 TOWER A, 17/F, JINJIANG BUILDING, NO.111, HUSHU SOUTH ROAD, GONGSHU DISTRICT, HANGZHOU CITY, ZHEJIANG PROVINCE TO: 310005 NO.56(5/F), GUHE LANE, GONGSHU DISTRICT, HANGZHOU CITY, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20101103 Address after: 310005, No. 56, ancient river lane, Gongshu District, Zhejiang, Hangzhou (5 floor) Patentee after: Hangzhou Desi Technology Co.,Ltd. Address before: Block A 17 layer 310005 in Hangzhou city in Zhejiang province Gongshu District 111 South Jinjiang building Patentee before: Zhao Fan |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080910 Termination date: 20110930 |