CN203883836U - Full-automatic optical insertion loss and return loss tester - Google Patents
Full-automatic optical insertion loss and return loss tester Download PDFInfo
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- CN203883836U CN203883836U CN201420158918.4U CN201420158918U CN203883836U CN 203883836 U CN203883836 U CN 203883836U CN 201420158918 U CN201420158918 U CN 201420158918U CN 203883836 U CN203883836 U CN 203883836U
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- 238000003780 insertion Methods 0.000 title claims abstract description 29
- 230000037431 insertion Effects 0.000 title claims abstract description 29
- 230000003287 optical effect Effects 0.000 title claims abstract description 23
- 238000012360 testing method Methods 0.000 claims abstract description 54
- 238000012545 processing Methods 0.000 claims abstract description 23
- 238000004891 communication Methods 0.000 claims description 9
- 239000013307 optical fiber Substances 0.000 abstract description 20
- 238000004804 winding Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 239000000835 fiber Substances 0.000 description 11
- 238000010998 test method Methods 0.000 description 4
- 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
Abstract
The utility model discloses a full-automatic optical 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 1310nm light transmitting module and a 1550nm light transmitting module separately. The output end of the wavelength division multiplexer signal 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 to provide a reference time for the return loss test module and the central processing unit. By adopting the structure, on one hand, the optical performances of the optical fiber jumper wire at two wavelengths including 1310nm and 1550nm can be tested at the same time; and on the other hand, reflection values of different end surfaces can be distinguished from each other, so that the purpose of optical fiber winding avoiding can be achieved, and the advantage of convenient and reliable test can be realized, that is the optical fiber can be prevented 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 full-automatic light insertion return loss tester, 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, and when test the data that at every turn can only test a wavelength, testing efficiency is also lower.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of full-automatic light insertion return loss tester that can avoid optical fiber to cause damage can realize two operation wavelengths again time test.
In order to solve the problems of the technologies described above, full-automatic light insertion return loss tester of the present utility model, comprises central processing unit, and central processing unit is connected wavelength division multiplexer by a 1310nm light emission module with a 1550nm light emission module respectively; The output of wavelength division multiplexer signal connects optical branching device, and 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 optical branching device is connected the front end face of tested wire jumper with p-wire by joint.
A method of testing for above-mentioned full-automatic light insertion return loss tester, comprises the following steps:
A, central processing unit control 1310nm light emission module and 1550nm light emission module transmitted pulse signal in turn, clock chip carries out synchronously writing time simultaneously;
B, return loss test module and 1310nm light emission module and the interlock of 1550nm light emission module wavelength, the Fresnel reflection that record returns;
C, return loss test module by with the synchronizeing of clock chip, the reflected value of different end faces is distinguished.
A method of testing for above-mentioned full-automatic light insertion return loss tester, comprises the following steps:
A, central processing unit control 1310nm light emission module and 1550nm light emission module transmitted pulse signal in turn, clock chip carries out synchronously writing time simultaneously;
B, return loss test module, Insertion Loss test module and 1310nm light emission module and the interlock of 1550nm light emission module wavelength, the Fresnel reflection that record returns;
C, return loss test module by with the synchronizeing of clock chip, the reflected value of different end faces is distinguished.
Adopt after above-mentioned structure, transmitting of 1310nm light emission module and 1550nm light emission module can be transferred to optical branching device by wavelength division multiplexer, process joint and p-wire are 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, on the one hand, can by with the mode of CPU interlock, launch in turn 1310nm, 1550nm pulse signal, carry out the test of 1310nm and 1550nm wavelength simultaneously, realized the optical property of while measuring fiber wire jumper at 1310nm and two wavelength of 1550nm; In addition on the one hand, can provide time reference by clock chip, 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, its convenient test is reliable, avoided optical fiber injured in when test, again improving product testing efficiency greatly.
Brief description of the drawings
Fig. 1 is the theory diagram of the full-automatic light insertion return loss tester of the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, full-automatic light insertion return loss tester of the present utility model is described in further detail.
As shown in the figure, full-automatic light insertion return loss tester of the present utility model, comprises central processing unit (CPU), and central processing unit is connected wavelength division multiplexer (WDM) by a 1310nm light emission module with a 1550nm light emission module respectively; The output of wavelength division multiplexer signal connects splitter (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.
The method of testing of above-mentioned full-automatic light insertion return loss tester, comprises the following steps:
A, central processing unit control 1310nm light emission module and 1550nm light emission module (two long wavelength lasers) transmitted pulse signal in turn, clock chip carries out synchronously writing time simultaneously;
B, return loss test module, Insertion Loss test module and 1310nm light emission module and the interlock of 1550nm light emission module wavelength, the Fresnel reflection that record returns;
C, return loss test module by with the synchronizeing of clock chip, the reflected value of different end faces is distinguished.
Can find out by the above-mentioned course of work,
Due to the reverberation of different end faces on tested optical link, to reflect life period poor, 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, the wavelength interlock of carrying out due to light emission module and Insertion Loss test module, return loss test module again, test when can realizing two operation wavelengths, compared with existing method of testing, the utility model adopts optical time domain reflection principle, the directly Fresnel reflection of measuring optical fiber connector ends, the Fresnel reflection of different fiber connector ends can be distinguished, avoid optical fiber to be wound around, adopt in addition light emission module, Optical Receivers and CPU carry out the mode of wavelength interlock, disposable connector can test in the Insertion Loss return loss of two operating wave strong points simultaneously, Insertion Loss and the return loss value of two operating wave strong points of measuring fiber wire jumper are simultaneously realized, avoid Optical Fiber Winding, to avoid optical fiber injured in the time testing, greatly improving product testing efficiency, really realize the full-automatic testing of the optical fiber connector.
Claims (3)
1. a full-automatic light insertion return loss tester, is characterized in that: comprise central processing unit, central processing unit is connected wavelength division multiplexer by a 1310nm light emission module with a 1550nm light emission module respectively; The output of described wavelength division multiplexer signal connects optical branching device, and 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. according to full-automatic light insertion return loss tester 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. according to full-automatic light insertion return loss tester 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 |
|---|---|---|---|
| CN201420158918.4U CN203883836U (en) | 2014-04-03 | 2014-04-03 | Full-automatic optical insertion loss and return loss tester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420158918.4U CN203883836U (en) | 2014-04-03 | 2014-04-03 | Full-automatic optical insertion loss and return loss tester |
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| Publication Number | Publication Date |
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| CN203883836U true CN203883836U (en) | 2014-10-15 |
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| CN201420158918.4U Expired - Fee Related CN203883836U (en) | 2014-04-03 | 2014-04-03 | Full-automatic optical insertion loss and return loss tester |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103916180A (en) * | 2014-04-03 | 2014-07-09 | 镇江奥菲特光电科技有限公司 | Full-automatic optical fiber insertion loss and return loss test instrument and method |
| CN109116322A (en) * | 2018-08-30 | 2019-01-01 | 挚感(苏州)光子科技有限公司 | A kind of displacement and the light echo removing method apart from laser radar system |
-
2014
- 2014-04-03 CN CN201420158918.4U patent/CN203883836U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103916180A (en) * | 2014-04-03 | 2014-07-09 | 镇江奥菲特光电科技有限公司 | Full-automatic optical fiber insertion loss and return loss test instrument and method |
| CN109116322A (en) * | 2018-08-30 | 2019-01-01 | 挚感(苏州)光子科技有限公司 | A kind of displacement and the light echo removing method apart from laser radar system |
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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 | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Full-automatic optical fiber insertion loss and return loss test instrument and method 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 |
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| PC01 | Cancellation 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 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Full-automatic optical fiber insertion loss and return loss test instrument and method 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 |
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| 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 | ||
| 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 |
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| 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: Full-automatic optical fiber insertion loss and return loss test instrument and method 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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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 |