CN101141220A - Optical power display and regulation device - Google Patents
Optical power display and regulation device Download PDFInfo
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- CN101141220A CN101141220A CNA2007101076347A CN200710107634A CN101141220A CN 101141220 A CN101141220 A CN 101141220A CN A2007101076347 A CNA2007101076347 A CN A2007101076347A CN 200710107634 A CN200710107634 A CN 200710107634A CN 101141220 A CN101141220 A CN 101141220A
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Abstract
The utility model relates to an optical transmission device for the field of communication, more particularly discloses a luminous power display and regulating unit, which comprises an optical input port, an optical coupler, a luminous power examination unit, a luminous power display unit, a luminous power control unit and a light yield port which are connected via the light path. So, the luminous power examination unit, the luminous power display unit and the luminous power control unit are added on the single board. Therefore, as compared with the existing technology, the utility model has the advantages that the Instruments and meters' limits are overcome; the pigtail used for measuring is saved; the real-time monitoring and control can be realized for the luminous power performance even though the network administration surroundings are unavailable or do not work, so as to achieve the simple man machine interaction; acting as both the monitor and the actuator in the power control system, so as to realize the close regulation of the luminous power; the power detection can be embedded to the light path. Thus, the luminous power value can be monitored while the operation is undisrupted.
Description
Technical field
The present invention relates to the optical transmission device of the communications field, be specifically related to a kind of luminous power and show and adjusting device, help realizing intelligent management and utilization resource in the optical transport network.
Background technology
In DWDM (dense wave division multipurpose) Optical Transmission Network OTN, fluctuations can take place in the luminous power of dwdm system after the long Distance Transmission, can have a strong impact on the performance of system like this, causes that Optical Signal To Noise Ratio descends, and causes the error rate to increase, and is serious in damage equipment.For fear of above-mentioned situation occurring, need when building dense wavelength division multiplexing system, adopt perfect luminous power administrative skill, luminous power in the system is adjusted and disposed, make the power of main optical path reach balanced, therefore, how can show fast and accurately that regulating luminous power all exists very big demand in present production and engineering.
For dwdm system, at present to the detection of luminous power, show mainly by external light power meter or by network management interface and check that the luminous power performance number realizes that luminous power detects the conformance with standard GB/T15515-1995 optical power meter technology condition that needs; And optical power adjustment generally adopts the optical attenuator of fixed attenuation or finish the function veneer of optical power adjustment specially, aforementioned these detections, demonstration and adjusting device to luminous power all in various degree have a following shortcoming:
Based on the shortcoming of aforementioned existing luminous power detection and regulation technology, be starved of a kind of new device that luminous power detection, demonstration and adjusting are combined at present.
Summary of the invention
In order to overcome the shortcoming that exists in the prior art, the present invention proposes the device that a kind of luminous power shows and regulates.
The present invention specifically is achieved in that
A kind of luminous power shows and adjusting device comprises that light input end mouth, light splitting coupler also comprise:
Luminous power detecting unit, luminous power display unit;
Described light input end mouth is introduced described light splitting coupler with light, and the output of described light splitting coupler is connected to described luminous power detecting unit and carries out sample detecting, subsequently, shows the input optical power value that detects by driving described luminous power display unit.
In device of the present invention, described light input end mouth comprises parallel a plurality of dissimilar optical interface.
In device of the present invention, described luminous power display unit is to alarming above the input that the demonstration thresholding has been set, the unglazed and/or high light of output.
In device of the present invention, also comprise: the optical power adjustment unit;
Described optical power adjustment unit, output is regulated to the key light of light splitting coupler, and the output after adjusting finished transfers to corresponding luminous power display unit and optical output port.
In device of the present invention, described luminous power detecting unit comprises the PIN pipe;
Described luminous power display unit comprises the LCD liquid crystal display screen;
Described optical power adjustment unit comprises adjustable attenuator.
In device of the present invention, be provided with knob and/or button at panel of the board, regulate output light in order to the control adjustable attenuator.
In device of the present invention, described driving luminous power display unit is realized based on drive circuit;
Described drive circuit comprises AD sample circuit and amplifying circuit.
The present invention compared with prior art has following advantage:
● device of the present invention can be as a fixed light power meter, with the part of apparatus bound as system chassis, no matter dispatch from the factory assembling test or engineering debug can both be carried out the measurement of luminous power at any time, can overcome the restriction of instrument and meter, apparatus of the present invention also provide polytype optical fiber interface in addition, have saved the tail optical fiber that needs when measuring.
● when not having webmaster environment or webmaster environment to break down, use device of the present invention still can realize real-time monitoring and management to the luminous power performance realizing simple man-machine interaction.
● device of the present invention can be realized the demonstration and the adjusting of luminous power, can be used as a standalone feature veneer in the power management system, not only can be used as the monitor in the power management system but also can be used as actuator, thus the accurate adjusting of realization luminous power.
● when measuring light power, all require to extract test light according to traditional light power meter method of testing, just can cut off light path under a lot of situations at bearer service, will cause professional interruption like this, under the continuous situation of business, monitor optical power value thereby use the present invention to embed power detection in the light path.
Description of drawings
Fig. 1 is that luminous power shows and the adjusting device schematic diagram;
Fig. 2 realizes that according to a preferred embodiment of the invention fixed luminous power shows;
Fig. 3 is the demonstration monitoring that realizes luminous power according to a preferred embodiment of the invention;
Fig. 4 is demonstration and the adjusting that realizes luminous power according to a preferred embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.
Accompanying drawing 1 has been introduced the realization luminous power and has been shown and the adjusting device schematic diagram.
With respect to traditional luminous power detection, demonstration and regulative mode, the present invention specifically comprises: light input end mouth, optical coupler, luminous power detecting unit, luminous power display unit, optical power adjustment unit and optical output port, connect by light path between them, increased luminous power detecting unit, luminous power display unit and optical power adjustment unit on panel of the board, panel of the board is the carrier of light input end mouth, optical output port, optical coupler, luminous power detecting unit, luminous power display unit and optical power adjustment unit.
At first import light by a certain proportion of light splitting coupler, the part of light splitting coupler inputs to the sample detecting that the luminous power detecting unit carries out luminous power, driving the luminous power display unit through overdrive circuit then shows, adopt the PIN pipe to detect and drive the LCD liquid crystal display screen, the detection of luminous power and being shown as is electrically connected, the key light of light splitting coupler is input to the optical power adjustment unit, adjusting can be used adjustable attenuator, on panel of the board, be provided with knob and/or button is regulated, output light after adjusting is finished enters light splitting coupler, select suitable splitting ratio, part is input to the luminous power detecting unit, after finishing sample detecting, receive the luminous power display unit through drive circuit, the optical output port that panel is received in most of output is finished the demonstration and the adjusting of luminous power.
Fig. 2 is first embodiment of the present invention, be equivalent to a rack-mounted fixed light power meter, the light that needs test light power is from defeated light inlet input, figure hollow core arrow is an optical path direction, filled arrows is electric direction, by the light input end mouth light is introduced light splitting coupler, selects suitable splitting ratio to be input to the PIN pipe and detects, the signal of telecommunication that the PIN pipe carries out obtaining after the opto-electronic conversion drives the input optical power value that the LCD liquid crystal display screen shows that detection obtains after carrying out AD sampling and amplification.
Wherein the light input end mouth can be made parallel a plurality of dissimilar optical interface, SC (serialcommunication for example, serial communication), LC (line concentration, line concentration), FC (Fiber concentration, optical fiber communication) interface etc., the luminous power of convenient test various interface optical fiber, to save tail optical fiber, drive circuit comprises AD sample circuit and amplifying circuit.
Fig. 3 is second embodiment of the present invention, is have demonstration of embedding power and alarm function on the veneer of standalone feature, and figure hollow core arrow is an optical path direction, and filled arrows is electric direction.As shown in the figure, light input, output port have been carried out the detection of luminous power respectively by light splitting coupler, the main optical path of veneer function is unaffected.The signal of telecommunication that detects output by the PIN pipe drives the LCD liquid crystal display screen through overdrive circuit and shows that the thresholding that demonstration can also be set is in addition alarmed the unglazed and/or high light of I/O, and alarm can show by the LCD liquid crystal display screen.
Present embodiment provides a kind of real-time demonstration and alarm device of optical power monitoring, on the panel of veneer, just can read current input, Output optical power intuitively, can also alarm according to thresholding, be applicable to the exigent function veneer of I/O luminous power instantaneous value.
Fig. 4 is the 3rd embodiment of the present invention, as shown in the figure, figure hollow core arrow is an optical path direction, filled arrows is electric direction, this embodiment adopts luminous power to show and regulates the standalone feature veneer, present embodiment integrates the demonstration of luminous power and adjusting, have an ergasia of one's own, can be used as an independently function veneer, the display part is similar with second embodiment, also be to detect the signal of telecommunication of exporting by the PIN pipe to show, detect input, Output optical power simultaneously through overdrive circuit driving LCD liquid crystal display screen.Different is that present embodiment has increased the optical power adjustment unit, and the optical power adjustment unit is received in the key light output of light splitting coupler, realizes Output optical power is regulated.
The optical power adjustment unit adopts the mechanical adjustable attenuator of high reliability, a knob and/or button are set on panel control adjustable attenuator, reach the purpose of regulating output light, the result who regulates can be real-time pass through LCD liquid crystal display screen display light power, determine the decay of current adjusting takes temperature whether reach desired value, regulate if do not reach then continue, finish the function of light power equalization by cooperatively interacting of luminous power display unit and optical power adjustment unit like this.
The present invention realizes demonstration and adjusting to input, Output optical power by integrated optical power detecting unit, luminous power display unit on the function panel of the board and optical power adjustment unit, can also these functions as one independently the function veneer use.
Claims (7)
1. a luminous power shows and adjusting device comprises that light input end mouth, light splitting coupler is characterized in that, also comprise:
Luminous power detecting unit, luminous power display unit;
The light input end mouth is introduced light splitting coupler with light, and the output of light splitting coupler is connected to the luminous power detecting unit and carries out sample detecting, subsequently, shows the input optical power value that detects by driving the luminous power display unit.
2. luminous power as claimed in claim 1 shows and adjusting device, it is characterized in that:
Described light input end mouth comprises parallel a plurality of dissimilar optical interface.
3. luminous power as claimed in claim 1 shows and adjusting device, it is characterized in that:
Described luminous power display unit is to alarming above the input that the demonstration thresholding has been set, the unglazed and/or high light of output.
4. show and adjusting device as claim 1 or 3 described luminous powers, it is characterized in that, also comprise:
The optical power adjustment unit;
Described optical power adjustment unit, output is regulated to the key light of light splitting coupler, and the output after adjusting finished transfers to corresponding luminous power display unit and optical output port.
5. luminous power as claimed in claim 4 shows and adjusting device, it is characterized in that:
Described luminous power detecting unit comprises the PIN pipe;
Described luminous power display unit comprises the LCD liquid crystal display screen;
Described optical power adjustment unit comprises adjustable attenuator.
6. luminous power as claimed in claim 5 shows and adjusting device, it is characterized in that:
Be provided with knob and/or button at panel of the board, export light to regulate in order to the control adjustable attenuator.
7. luminous power as claimed in claim 4 shows and adjusting device, it is characterized in that:
Described driving luminous power display unit is realized based on drive circuit;
Described drive circuit comprises AD sample circuit and amplifying circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101076347A CN101141220A (en) | 2007-05-23 | 2007-05-23 | Optical power display and regulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101076347A CN101141220A (en) | 2007-05-23 | 2007-05-23 | Optical power display and regulation device |
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| Publication Number | Publication Date |
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| CN101141220A true CN101141220A (en) | 2008-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2007101076347A Pending CN101141220A (en) | 2007-05-23 | 2007-05-23 | Optical power display and regulation device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101304295A (en) * | 2008-06-20 | 2008-11-12 | 中兴通讯股份有限公司 | Equipment information visible apparatus |
| CN101989878A (en) * | 2010-12-15 | 2011-03-23 | 国网电力科学研究院 | Method for monitoring channel state in real time by measuring optical power on line |
| CN102281110A (en) * | 2011-07-29 | 2011-12-14 | 华为技术有限公司 | Methods and devices for regulating optical power |
| CN106788728A (en) * | 2017-01-16 | 2017-05-31 | 中国科学技术大学 | Light signal detection method under high light interference |
-
2007
- 2007-05-23 CN CNA2007101076347A patent/CN101141220A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101304295A (en) * | 2008-06-20 | 2008-11-12 | 中兴通讯股份有限公司 | Equipment information visible apparatus |
| CN101989878A (en) * | 2010-12-15 | 2011-03-23 | 国网电力科学研究院 | Method for monitoring channel state in real time by measuring optical power on line |
| CN102281110A (en) * | 2011-07-29 | 2011-12-14 | 华为技术有限公司 | Methods and devices for regulating optical power |
| WO2012119495A1 (en) * | 2011-07-29 | 2012-09-13 | 华为技术有限公司 | Method and device for regulating optical power |
| CN102281110B (en) * | 2011-07-29 | 2014-04-16 | 华为技术有限公司 | Methods and devices for regulating optical power |
| CN106788728A (en) * | 2017-01-16 | 2017-05-31 | 中国科学技术大学 | Light signal detection method under high light interference |
| CN106788728B (en) * | 2017-01-16 | 2019-06-21 | 中国科学技术大学 | Light signal detection method under strong light interference |
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Open date: 20080312 |