CN203883837U - Optical fiber winding-avoiding insertion loss and return loss tester < - Google Patents
Optical fiber winding-avoiding insertion loss and return loss tester < Download PDFInfo
- Publication number
- CN203883837U CN203883837U CN201420159584.2U CN201420159584U CN203883837U CN 203883837 U CN203883837 U CN 203883837U CN 201420159584 U CN201420159584 U CN 201420159584U CN 203883837 U CN203883837 U CN 203883837U
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- return loss
- processing unit
- central processing
- test module
- loss test
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 27
- 238000003780 insertion Methods 0.000 title claims abstract description 22
- 230000037431 insertion Effects 0.000 title claims abstract description 22
- 238000012360 testing method Methods 0.000 claims abstract description 54
- 238000012545 processing Methods 0.000 claims abstract description 20
- 230000003287 optical effect Effects 0.000 claims abstract description 18
- 238000004891 communication Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000004804 winding Methods 0.000 abstract description 2
- 239000000835 fiber Substances 0.000 description 9
- 230000033228 biological regulation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Testing Of Optical Devices Or Fibers (AREA)
Abstract
The utility model discloses an optical fiber winding-avoiding insertion loss and return loss tester which comprises a central processing unit. The central processing unit is connected with a wavelength division multiplexer through a light transmitting module. The signal output end of the wavelength division multiplexer is connected with an optical splitter. The output end of the optical splitter is connected to the front end surface of a tested jumper wire. The return loss signal end of the optical splitter is connected with a return loss test module. Information transmission is performed between the return loss test module and the central processing unit. A clock chip capable of providing time reference is further comprised. The clock chip is connected with the return loss test module and the central processing unit separately for providing a reference time for the return loss test module and the central processing unit. By adopting the structure, time reference can be provided by the clock chip, the return loss test module is used to record returned Fresnel reflection, the return loss test module can be used to distinguish reflection values of different end surfaces through the synchronization with the clock chip so as to achieve the purpose of optical fiber winding avoiding, the test is convenient and reliable, the optical fiber can be avoided from being damaged during tests, and the product test efficiency can be greatly improved.
Description
Technical field
The utility model relates to a kind of equipment for optical fiber connector test, and specifically a kind of optical fiber exempts to be wound around Insertion Loss return loss test set, belongs to technical field of optical fiber communication.
Background technology
Optical fiber communication has signal stabilization, loss is little, transmission range is long, the high many-sided advantage of capacity, in various countries' modern communication networks is built, has extensively adopted standby.Current, the Networks of Fiber Communications construction of China is swift and violent, and three large operators and Broadcast and TV system have all been determined the thinking of " accelerate light entering and copper back, advance Access Network strategic transformation ".Fiber active linker is the same with optical fiber, belongs to part the most basic in Networks of Fiber Communications, has huge demand in Networks of Fiber Communications.The relevant authorities of country have also formulated multinomial industry standard for fiber active linker, and its performance index have been made to concrete regulation.Industry standard regulation, the optical property Interventions Requested before fiber active linker dispatches from the factory are insertion loss and return loss.
The exfactory inspection of optical fiber connector manufacturer is mainly to utilize Insertion Loss return loss test set to carry out the performance index of detection fiber connector.Insertion Loss return loss test set is in the market in the return loss of measuring fiber connector, need to be wound around optical fiber, to eliminate the light reflections affect of optical fiber connector rear end end face, in test process, easily optical fiber is caused to damage thus, testing efficiency is also lower.
Summary of the invention
It is reliable that the technical problems to be solved in the utility model is to provide a kind of convenient test, and testing efficiency is high and can avoid optical fiber to cause the optical fiber of damage to exempt to be wound around Insertion Loss return loss test set.
In order to solve the problems of the technologies described above, optical fiber of the present utility model exempts to be wound around Insertion Loss return loss test set, comprise central processing unit, central processing unit connects wavelength division multiplexer by light emission module, the output of wavelength division multiplexer signal connects optical branching device, the output of optical branching device is connected on the front end face of tested wire jumper, and the return loss signal end of optical branching device connects return loss test module; Between return loss test module and central processing unit, carry out communication, also comprise a clock chip that time reference can be provided, clock chip is connected to them with return loss test module and central processing unit is respectively provided fiducial time.The rear end face of described tested wire jumper connects Insertion Loss test module, and Insertion Loss test module is connected with central processing unit.
Described splitter is connected the front end face of tested wire jumper with p-wire by joint.
Adopt after above-mentioned structure, because transmitting of light emission module can be transferred to optical branching device by wavelength division multiplexer, process joint and p-wire are transferred to the front end face of tested wire jumper, CPU connects return loss test module, return loss test module also arrives CPU through clock chip, can provide time reference by clock chip thus, return loss test module records the Fresnel reflection returning, return loss test module by with the synchronizeing of clock chip, the reflected value of different end faces can be distinguished, just reach the object that avoids Optical Fiber Winding, convenient test is reliable, avoid optical fiber injured in the time of test, greatly improving product testing efficiency.
Brief description of the drawings
Fig. 1 is the theory diagram that the utility model optical fiber exempts to be wound around Insertion Loss return loss test set.
Embodiment
Below in conjunction with the drawings and specific embodiments, optical fiber of the present utility model is exempted to be wound around Insertion Loss return loss test set and be described in further detail.
As shown in the figure, optical fiber of the present utility model exempts to be wound around Insertion Loss return loss test set, comprises central processing unit (CPU), and central processing unit connects wavelength division multiplexer (WDM) by light emission module; The output of wavelength division multiplexer signal connects optical branching device (high return loss optical branching device), the output of high return loss optical branching device is connected on the front end face of tested wire jumper by FC/APC joint and p-wire, and the return loss signal end of high return loss optical branching device connects return loss test module; Between return loss test module and central processing unit, carry out communication, also comprise a clock chip that time reference can be provided, clock chip is connected to them with return loss test module and central processing unit is respectively provided fiducial time.Further can also connect Insertion Loss test module at the rear end face of tested wire jumper, Insertion Loss test module is connected with central processing unit.
Its operation principle is as follows:
In the time of test, the first selected wavelength that needs test, CPU controls corresponding (light emission module) long wavelength laser transmitted pulse signal, clock chip carries out synchronously writing time simultaneously, return loss test module records the Fresnel reflection returning, because to reflect life period poor for the reverberation of different end faces on tested optical link, return loss test module by with the synchronizeing of clock chip, the reflected value of different end faces can be distinguished, adopt thus optical time domain reflection principle, the directly Fresnel reflection of measuring optical fiber connector ends, and the Fresnel reflection of different fiber connector ends can be distinguished, avoid optical fiber to be wound around, also promoted testing efficiency, the disposable Insertion Loss return loss of connector can test simultaneously.
Claims (3)
1. an optical fiber exempts to be wound around Insertion Loss return loss test set, it is characterized in that: comprise central processing unit, central processing unit connects wavelength division multiplexer by light emission module, the output of wavelength division multiplexer signal connects optical branching device, the output of optical branching device is connected on the front end face of tested wire jumper, and the return loss signal end of described optical branching device connects return loss test module; Between return loss test module and central processing unit, carry out communication, also comprise a clock chip that time reference can be provided, clock chip is connected to them with return loss test module and central processing unit is respectively provided fiducial time.
2. exempt to be wound around Insertion Loss return loss test set according to optical fiber claimed in claim 1, it is characterized in that: the rear end face of described tested wire jumper connects Insertion Loss test module, and Insertion Loss test module is connected with central processing unit.
3. exempt to be wound around Insertion Loss return loss test set according to optical fiber claimed in claim 1, it is characterized in that: described optical branching device is connected the front end face of tested wire jumper with p-wire by joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420159584.2U CN203883837U (en) | 2014-04-03 | 2014-04-03 | Optical fiber winding-avoiding insertion loss and return loss tester < |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420159584.2U CN203883837U (en) | 2014-04-03 | 2014-04-03 | Optical fiber winding-avoiding insertion loss and return loss tester < |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203883837U true CN203883837U (en) | 2014-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420159584.2U Expired - Fee Related CN203883837U (en) | 2014-04-03 | 2014-04-03 | Optical fiber winding-avoiding insertion loss and return loss tester < |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203883837U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111103123A (en) * | 2019-12-30 | 2020-05-05 | 广电计量检测（北京）有限公司 | Novel optical return loss calibration piece based on fiber bragg grating |
-
2014
- 2014-04-03 CN CN201420159584.2U patent/CN203883837U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111103123A (en) * | 2019-12-30 | 2020-05-05 | 广电计量检测（北京）有限公司 | Novel optical return loss calibration piece based on fiber bragg grating |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Optical fiber winding loss recovery loss tester Effective date of registration: 20171019 Granted publication date: 20141015 Pledgee: Bank of China Limited by Share Ltd. Zhenjiang Dagang sub branch Pledgor: OFT OPTOELECTRONIC TECH CO.,LTD. Registration number: 2017320000041 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20181213 Granted publication date: 20141015 Pledgee: Bank of China Limited by Share Ltd. Zhenjiang Dagang sub branch Pledgor: OFT OPTOELECTRONIC TECH CO.,LTD. Registration number: 2017320000041 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Optical fiber free winding loss loss loss tester Effective date of registration: 20181214 Granted publication date: 20141015 Pledgee: Bank of China Limited by Share Ltd. Zhenjiang Dagang sub branch Pledgor: OFT OPTOELECTRONIC TECH CO.,LTD. Registration number: 2018320000360 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20191022 Granted publication date: 20141015 Pledgee: Bank of China Limited by Share Ltd. Zhenjiang Dagang sub branch Pledgor: OFT OPTOELECTRONIC TECH CO.,LTD. Registration number: 2018320000360 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Optical fiber winding-avoiding insertion loss and return loss tester Effective date of registration: 20191023 Granted publication date: 20141015 Pledgee: Bank of China Limited by Share Ltd. Zhenjiang Dagang sub branch Pledgor: OFT OPTOELECTRONIC TECH CO.,LTD. Registration number: Y2019320000217 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 |
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| CF01 | Termination of patent right due to non-payment of annual fee |