CN201429496Y - Multifunctional optical fiber test instrument - Google Patents
Multifunctional optical fiber test instrument Download PDFInfo
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- CN201429496Y CN201429496Y CN2009200708908U CN200920070890U CN201429496Y CN 201429496 Y CN201429496 Y CN 201429496Y CN 2009200708908 U CN2009200708908 U CN 2009200708908U CN 200920070890 U CN200920070890 U CN 200920070890U CN 201429496 Y CN201429496 Y CN 201429496Y
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Abstract
The utility model provides a multifunctional optical fiber test instrument, which comprises an output end, an input end, a light source, an optical power meter, an optical time domain reflectometer and a microprocessor. The microprocessor is respectively connected with the light source, the optical power meter and the optical time domain reflectometer; the light source is connected to the output end; and the optical power meter and the optical time domain reflectometer are connected to the input end through a switch circuit whose on-off is controlled by the microprocessor. The utility model has the advantages of convenient operation and strong function.
Description
Technical field
The utility model relates to a kind of optical fiber test equipment, particularly a kind of multifunctional optical fiber tester.
Background technology
The information interchange of modern society becomes the important content in people's work, the life, and crossing of multiple abundant information such as literal, sound, image and data both offer convenience for us, also bring huge pressure for computer network and communication.The requirement that network broadband that the exchanges data of the trend growth of exploding makes traditional copper cable wiring system be provided can not satisfy current and following high speed data transfer is provided.The fiber optic network of develop rapidly is then big with its bandwidth, good confidentiality, in light weight, advantages such as volume is little, long transmission distance rapidly from the carrier class application extension to LAN.Since the eighties, the fiberize of network is one of main trend of countries in the world network development always.The formation of current various countries communication network mainly all is as the transmission basis with fiber optic network.
When building and safeguarding lightguide cable link, need carry out repeatedly test to optic fibre characteristic, to guarantee the light transmission quality of optical fiber.Wherein, the content measurement of optical fiber includes the transport property such as length, decay, fault of optical fiber.And, usually need to use different instrument to test for different optic fibre characteristics.Typically use light power meter and cooperate light source to test as the decay of optical fiber (being the decay of light luminous power when in optical fiber, transmitting).And for example the fault of optical fiber will use optical time domain reflectometer (OTDR, OpticalTime Domam Reflectometer) to test usually.Therefore, the tester usually needs to change different instruments and tests repeatedly when the measuring fiber characteristic, not only makes testing efficiency low, has also increased the buying cost of multiple instrument and equipment.
In sum, there is the problem of complex steps, inefficiency in existing test optical fiber mode.
The utility model content
The purpose of this utility model provides a kind of multifunctional optical fiber tester, to solve the problem of existing test optical fiber mode complex steps, inefficiency.
The utility model proposes a kind of multifunctional optical fiber tester, comprise output terminal, input end, light source, light power meter, optical time domain reflectometer and microprocessor.Microprocessor is taken into account optical time domain reflectometer with light source, luminous power respectively and is linked to each other, and light source is connected to output terminal, and luminous power is taken into account optical time domain reflectometer and is connected to input end through the on-off circuit by microprocessor control break-make.Wherein, light source comprises Laser Devices group and governor circuit again.The Laser Devices group is used to launch a standard light, and it links to each other with output terminal.Governor circuit is used for the control criterion light intensity, and it links to each other with Laser Devices group and microprocessor respectively.Light power meter comprises photoelectric switching circuit and data processing circuit again.Photoelectric switching circuit links to each other with on-off circuit.Data processing circuit links to each other with photoelectric switching circuit and microprocessor respectively.Optical time domain reflectometer comprises optical directional coupler, light-pulse generator transmitter and treatment circuit again.Optical directional coupler links to each other with on-off circuit.The light-pulse generator transmitter links to each other with optical directional coupler.Treatment circuit links to each other with light-pulse generator transmitter, optical directional coupler and microprocessor respectively.
According to the described multifunctional optical fiber tester of the utility model preferred embodiment, governor circuit comprises controller, power circuit and attenuator circuit again.Controller links to each other with the Laser Devices group.Power circuit is connected to controller through modulation circuit.Attenuator circuit links to each other with controller and microprocessor respectively.
According to the described multifunctional optical fiber tester of the utility model preferred embodiment, photoelectric switching circuit comprises photodiode, amplifying circuit and an A/D change-over circuit again.Photodiode links to each other with on-off circuit.Amplifying circuit links to each other with photodiode.The one A/D change-over circuit links to each other with amplifying circuit and data processing circuit respectively.
According to the described multifunctional optical fiber tester of the utility model preferred embodiment, treatment circuit comprises photoelectric switching circuit, amplifying circuit, the 2nd A/D change-over circuit and adding circuit again.Photoelectric switching circuit links to each other with optical directional coupler.Amplifier links to each other with photoelectric switching circuit.The 2nd A/D change-over circuit links to each other with amplifier and light-pulse generator transmitter respectively.Adding circuit links to each other with the 2nd A/D change-over circuit and microprocessor respectively.
According to the described multifunctional optical fiber tester of the utility model preferred embodiment, light source also comprises holding circuit, and it links to each other with the Laser Devices group.
According to the described multifunctional optical fiber tester of the utility model preferred embodiment, optical time domain reflectometer also comprises timer, and it links to each other with the light-pulse generator transmitter.
According to the described multifunctional optical fiber tester of the utility model preferred embodiment, it also comprises display, and this display links to each other with microprocessor.
According to the described multifunctional optical fiber tester of the utility model preferred embodiment, it also comprises keyboard, and this keyboard links to each other with microprocessor.
According to the described multifunctional optical fiber tester of the utility model preferred embodiment, it also comprises usb circuit, and this usb circuit links to each other with microprocessor.
According to the described multifunctional optical fiber tester of the utility model preferred embodiment, it also comprises serial interface circuit, and this serial interface circuit links to each other with this microprocessor.
The beneficial effects of the utility model are: multifunctional optical fiber tester of the present utility model is powerful, three kinds of instruments of light source, light power meter, optical time domain reflectometer that arrive commonly used in the optical tests have been merged, multiple parameter that can measuring fiber, thereby when measuring fiber, need not change multiple instrument, not only easy to operate, also increased testing efficiency.In addition, multifunctional optical fiber tester of the present utility model reaches the independently test effect of test instrumentation on function, and it is subsidiary USB interface, an and serial line interface, can be easily links to each other with equipment such as PC, has the high characteristics of degree of intelligence.
Description of drawings
Fig. 1 is a kind of multifunctional optical fiber tester principle framework figure of the utility model embodiment;
Fig. 2 is the another kind of multifunctional optical fiber tester principle framework figure of the utility model embodiment.
Embodiment
Specify the utility model below in conjunction with accompanying drawing.
See also Fig. 1, it is a kind of multifunctional optical fiber tester principle framework figure of the utility model embodiment.This multifunctional optical fiber tester comprises output terminal 103, input end 105, light source 107, light power meter 109, optical time domain reflectometer 111 and microprocessor 113.Microprocessor 113 links to each other with light source 107, light power meter 109 and optical time domain reflectometer 111 respectively, light source 107 is connected to output terminal 103, and light power meter 109 and optical time domain reflectometer 111 are connected to input end 105 through the on-off circuit 115 by microprocessor 113 control break-makes.
During measuring fiber, the two ends of optical fiber are connected output terminal 103 and input end 105 respectively, and change the duty of light power meter 109 and optical time domain reflectometer 111, thereby realize test a plurality of parameters of optical fiber by microprocessor 113 gauge tap circuit 115.For example, when the user wants the attenuation characteristic of measuring fiber, microprocessor 113 gauge tap circuit 115 are communicated with input end 105 and light power meter 109, and in optical fiber, launch laser by light source 107, utilize light power meter 109 to calculate the power of laser loss in optical fiber then, thereby just can obtain the weak characteristic of optical fiber.And when the user wants whether fault to be arranged in the measuring fiber, microprocessor 113 gauge tap circuit 115 are communicated with input end 105 and optical time domain reflectometer 111, make optical time domain reflectometer 111 in optical fiber, launch a laser pulse, and judge whether there is fault in the optical fiber according to the signal intensity that reflects.
See also Fig. 2, it is the another kind of multifunctional optical fiber tester principle framework figure of the utility model embodiment.This multifunctional optical fiber tester comprises output terminal 103, input end 105, light source 107, light power meter 109, optical time domain reflectometer 111 and microprocessor 113.
Wherein, light source 107 comprises Laser Devices group 203, holding circuit 205, controller 207, modulation circuit 209, power circuit 211 and attenuator circuit 213 again.Laser Devices group 203 links to each other with output terminal 103, and holding circuit 205 is connected to Laser Devices group 203, is used for guaranteeing the operate as normal of Laser Devices group 203.Controller 207, modulation circuit 209, power circuit 211 and attenuator circuit 213 have constituted a governor circuit 215, are used for controlling the duty of Laser Devices group 203.Controller 207 links to each other with Laser Devices group 203, modulation circuit 209 and attenuator circuit 213 respectively, and the voltage of power circuit 211 outputs provides operating voltage through modulation circuit 209 modulation backs for controller 207.Attenuator circuit 213 is connected to microprocessor 113, and its control signal with controller 207 turns back to microprocessor 113 and carries out display process.
Optical time domain reflectometer 111 comprises optical directional coupler 227, photoelectric switching circuit 229, amplifier 231, the 2nd A/D change-over circuit 233, adding circuit 235, light-pulse generator transmitter 237 and timer 2 39.Light-pulse generator transmitter 237 links to each other with optical directional coupler 227, and it is used for by after optical directional coupler 227 couplings, emission pulse laser in optical fiber.Timer 2 39 links to each other with light-pulse generator transmitter 237, and it is used for the pulsed frequency of setting laser.Photoelectric switching circuit 229 links to each other with optical directional coupler 227 and amplifier 231 respectively, and the 2nd A/D change-over circuit 233 links to each other with amplifier 231, and totalizer 235 connects the 2nd A/D change-over circuit 233 and microprocessor 113 respectively.Photoelectric switching circuit 229, amplifier 231, the 2nd A/D change-over circuit 233 and adding circuit 235 have constituted a treatment circuit 241, are used for calculating according to the signal intensity returned in the optical fiber information such as abort situation of optical fiber.
Connect display 249 and keyboard 251 on the microprocessor 113, be used for showing the output signal of microprocessor 113 and importing microprocessor 113 control commands.Microprocessor 113 can connect a storer 243, is used for depositing measurement data.Microprocessor 113 can also link to each other with the multiple interfaces circuit, in the present embodiment, serial interface circuit 245, usb circuit 247 is arranged respectively, and it is used for connecting external unit.
Process when introducing the user and adopt the multifunctional optical fiber tester measuring optical fiber of present embodiment below in conjunction with Fig. 2.At first, the user will not have optical fiber two of line attachment to receive output terminal 103 and input end 105 respectively, and the user inputs to microprocessor 113 control commands by keyboard 251 then, and select which kind of parameter of optical fiber is tested.
When selecting the attenuation characteristic of measuring fiber, microprocessor 113 gauge tap circuit 115 make between input end 105 and the light power meter 109 and are communicated with, and light power meter 109 is started working at this moment.The Laser Devices group 203 of light source 107 sees through output terminal 103 and launch laser in optical fiber, laser conducts back being transferred in the photodiode 217 by input end 105 and converts electric signal in optical fiber, after 223 amplifications of process amplifying circuit and an A/D change-over circuit 225 convert digital signal to then, 219 pairs of signal datas of input data processing circuit are handled, and final data treatment circuit 219 transfers signals in the microprocessor 113.Simultaneously, microprocessor 113 also can receive the signal of the standard light that attenuator circuit 213 transmission comes, and the signal that microprocessor 113 sends the signal and the data processing circuit 219 of the standard light calculating of comparing draws the attenuation data of luminous power in the optical fiber at last.And be presented on the display 249 for user's observation.
When the user selected to use optical time domain reflectometer 111, microprocessor 113 gauge tap circuit 115 made between input end 105 and the optical time domain reflectometer 111 and are communicated with, and this moment, optical time domain reflectometer 111 was just started working.Light-pulse generator transmitter 237 can send a laser pulse, and through being input in the optical fiber after optical directional coupler 237 couplings.If there is the trouble spot in the optical fiber, can make pulse laser that reflection and scattering take place.After optical directional coupler 237 receives the light that reflects, convert electric signal to by photoelectric switching circuit 229, after 231 amplifications of process amplifier and the 2nd A/D change-over circuit 233 convert digital signal to then, be input in the adding circuit 235 and calculate, and obtain abort situation in the optical fiber.Last adding circuit 235 is transferred to microprocessor 113 with measuring-signal, and shows on display 249.
In order can further to handle data, the user can utilize usb circuit to connect the USB flash disk data download, perhaps connects printer apparatus print signal figure by serial interface circuit 245.
Than prior art, multifunctional optical fiber tester of the present utility model is powerful, three kinds of instruments of light source, light power meter, optical time domain reflectometer that arrive commonly used in the optical tests have been merged, multiple parameter that can measuring fiber, thereby when measuring fiber, need not change multiple instrument, not only easy to operate, also increased testing efficiency.In addition, multifunctional optical fiber tester of the present utility model reaches the independently test effect of test instrumentation on function, and it is subsidiary USB interface, an and serial line interface, can be easily links to each other with equipment such as PC, has the high characteristics of degree of intelligence.
More than disclosed only be several specific embodiment of the present utility model, but the utility model is not limited thereto, any those skilled in the art can think variation, all should drop in the protection domain of the present utility model.
Claims (10)
1, a kind of multifunctional optical fiber tester, comprise an output terminal and an input end, it is characterized in that, it also comprises a light source, a light power meter, an optical time domain reflectometer and a microprocessor, this microprocessor is taken into account this optical time domain reflectometer with this light source, this luminous power respectively and is linked to each other, and this light source is connected to this output terminal, and this luminous power is taken into account this optical time domain reflectometer and is connected to this input end through the on-off circuit by this microprocessor control break-make, wherein
This light source comprises again:
Be used to launch a Laser Devices group of a standard light, it links to each other with this output terminal;
Be used to control a governor circuit of this etalon optical power, it links to each other with this Laser Devices group and this microprocessor respectively;
This light power meter comprises again:
One photoelectric switching circuit, it links to each other with this on-off circuit;
One data processing circuit, it links to each other with this photoelectric switching circuit and this microprocessor respectively; This optical time domain reflectometer comprises again:
One optical directional coupler, it links to each other with this on-off circuit;
One light-pulse generator transmitter, it links to each other with this optical directional coupler;
One treatment circuit, it links to each other with this light-pulse generator transmitter, this optical directional coupler and this microprocessor respectively.
2, multifunctional optical fiber tester as claimed in claim 1 is characterized in that, this governor circuit comprises again:
One controller, it links to each other with this Laser Devices group;
One power circuit, it is connected to this controller through a modulation circuit;
One attenuator circuit, it links to each other with this controller and this microprocessor respectively.
3, multifunctional optical fiber tester as claimed in claim 1 is characterized in that, this photoelectric switching circuit comprises again:
One photodiode, it links to each other with this on-off circuit;
One amplifying circuit, it links to each other with this photodiode;
One the one A/D change-over circuit, it links to each other with this amplifying circuit and this data processing circuit respectively.
4, multifunctional optical fiber tester as claimed in claim 1 is characterized in that, this treatment circuit comprises again:
One photoelectric switching circuit, it links to each other with this optical directional coupler;
One amplifier, it links to each other with this photoelectric switching circuit;
One the 2nd A/D change-over circuit, it links to each other with this amplifier and this light-pulse generator transmitter respectively;
One adding circuit, it links to each other with the 2nd A/D change-over circuit and this microprocessor respectively.
5, multifunctional optical fiber tester as claimed in claim 1 is characterized in that, this light source also comprises a holding circuit, and it links to each other with this Laser Devices group.
6, multifunctional optical fiber tester as claimed in claim 1 is characterized in that, this optical time domain reflectometer also comprises a timer, and it links to each other with this light-pulse generator transmitter.
7, multifunctional optical fiber tester as claimed in claim 1 is characterized in that, it also comprises a display, and this display links to each other with this microprocessor.
8, multifunctional optical fiber tester as claimed in claim 1 is characterized in that, it also comprises a keyboard, and this keyboard links to each other with this microprocessor.
9, multifunctional optical fiber tester as claimed in claim 1 is characterized in that, it also comprises a usb circuit, and this usb circuit links to each other with this microprocessor.
10, multifunctional optical fiber tester as claimed in claim 1 is characterized in that, it also comprises a serial line interface circuit, and this serial interface circuit links to each other with this microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200708908U CN201429496Y (en) | 2009-04-22 | 2009-04-22 | Multifunctional optical fiber test instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200708908U CN201429496Y (en) | 2009-04-22 | 2009-04-22 | Multifunctional optical fiber test instrument |
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| Publication Number | Publication Date |
|---|---|
| CN201429496Y true CN201429496Y (en) | 2010-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009200708908U Expired - Fee Related CN201429496Y (en) | 2009-04-22 | 2009-04-22 | Multifunctional optical fiber test instrument |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252752A (en) * | 2011-05-04 | 2011-11-23 | 清华大学 | Portable universal serial bus (USB) optical power meter |
| CN102394695A (en) * | 2011-11-09 | 2012-03-28 | 广东长实通信股份有限公司 | Integrated test system of optical line |
| CN102447511A (en) * | 2010-10-14 | 2012-05-09 | 中国电信股份有限公司 | Light path tester |
| CN102735335A (en) * | 2012-07-02 | 2012-10-17 | 上海市共进通信技术有限公司 | Device for realizing optical power detection in optical fiber network |
| CN102829960A (en) * | 2012-08-28 | 2012-12-19 | 桂林铭瑶电子科技有限公司 | Multifunctional modularized optical fiber tester |
| CN104464449A (en) * | 2014-11-04 | 2015-03-25 | 北京物联世纪科技有限公司 | Optical fiber end connection testing practical training device |
| CN104501874A (en) * | 2014-12-31 | 2015-04-08 | 桂林铭瑶电子科技有限公司 | Optical fiber tester |
| CN104993865A (en) * | 2015-07-10 | 2015-10-21 | 国家电网公司 | Multifunctional optical fiber test instrument |
| CN103124193B (en) * | 2011-11-21 | 2015-11-18 | 上海光家仪器仪表有限公司 | Based on the multifunctional light time-domain reflectomer of embedded system |
| CN105721050A (en) * | 2016-02-24 | 2016-06-29 | 北京百度网讯科技有限公司 | Optical fiber test device and method |
| CN106788695A (en) * | 2016-12-27 | 2017-05-31 | 镇江奥菲特光电科技有限公司 | A kind of FTTH optical fiber links auto testing instrument |
| CN111757973A (en) * | 2018-01-08 | 2020-10-09 | 沙特***石油公司 | Orientation sensitive fiber optic cable wellbore system |
-
2009
- 2009-04-22 CN CN2009200708908U patent/CN201429496Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102447511B (en) * | 2010-10-14 | 2015-05-13 | 中国电信股份有限公司 | Light path tester |
| CN102447511A (en) * | 2010-10-14 | 2012-05-09 | 中国电信股份有限公司 | Light path tester |
| CN102252752B (en) * | 2011-05-04 | 2013-04-03 | 清华大学 | Portable universal serial bus (USB) optical power meter |
| CN102252752A (en) * | 2011-05-04 | 2011-11-23 | 清华大学 | Portable universal serial bus (USB) optical power meter |
| CN102394695A (en) * | 2011-11-09 | 2012-03-28 | 广东长实通信股份有限公司 | Integrated test system of optical line |
| CN103124193B (en) * | 2011-11-21 | 2015-11-18 | 上海光家仪器仪表有限公司 | Based on the multifunctional light time-domain reflectomer of embedded system |
| CN102735335A (en) * | 2012-07-02 | 2012-10-17 | 上海市共进通信技术有限公司 | Device for realizing optical power detection in optical fiber network |
| CN102829960A (en) * | 2012-08-28 | 2012-12-19 | 桂林铭瑶电子科技有限公司 | Multifunctional modularized optical fiber tester |
| CN104464449A (en) * | 2014-11-04 | 2015-03-25 | 北京物联世纪科技有限公司 | Optical fiber end connection testing practical training device |
| CN104501874A (en) * | 2014-12-31 | 2015-04-08 | 桂林铭瑶电子科技有限公司 | Optical fiber tester |
| CN104993865A (en) * | 2015-07-10 | 2015-10-21 | 国家电网公司 | Multifunctional optical fiber test instrument |
| CN105721050A (en) * | 2016-02-24 | 2016-06-29 | 北京百度网讯科技有限公司 | Optical fiber test device and method |
| CN106788695A (en) * | 2016-12-27 | 2017-05-31 | 镇江奥菲特光电科技有限公司 | A kind of FTTH optical fiber links auto testing instrument |
| CN111757973A (en) * | 2018-01-08 | 2020-10-09 | 沙特***石油公司 | Orientation sensitive fiber optic cable wellbore system |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100324 Termination date: 20120422 |