CN208691248U - A kind of Insertion Loss measuring system of optic communication device - Google Patents
A kind of Insertion Loss measuring system of optic communication device Download PDFInfo
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- CN208691248U CN208691248U CN201821340042.XU CN201821340042U CN208691248U CN 208691248 U CN208691248 U CN 208691248U CN 201821340042 U CN201821340042 U CN 201821340042U CN 208691248 U CN208691248 U CN 208691248U
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Abstract
The utility model is suitable for optic communication device the field of test technology, a kind of Insertion Loss measuring system of optic communication device is provided, including including the first~the 5th photoswitch, the first wavelength division multiplexer, the second wavelength division multiplexer, first~third optical splitter, oscillograph, light receiving element, single mode long optical fibers, the first optical attenuator, the second optical attenuator, light power meter and optical network unit.The utility model embodiment is by providing a kind of Insertion Loss measuring system of optic communication device, the measurement of five kinds of optical fiber Insertion Loss to a variety of different optic communication devices may be implemented, testing efficiency is high, the quantity that tester table can be effectively reduced uniformly can be considered and be realized to the different testing requirement of different optic communication devices.
Description
Technical field
The utility model belongs to the Insertion Loss measurement of optic communication device the field of test technology more particularly to a kind of optic communication device
System.
Background technique
With the continuous development of optical technology, the structure of optic communication device tends to complicate, for testing optic communication device
The optical signal link of the test macro of performance and the structure of electric signal link also complicate therewith.Measure the optical fiber of optic communication device
Insertion Loss is extremely important, and traditional test method generallys use the mode of partition test item to measure optical fiber Insertion Loss, to reach letter
Change the purpose of test link, optical fiber Insertion Loss can directly simple measurement in this way, but testing efficiency is lower, need using
More tester table；Multimode test board can also be used, realizes that multiple function is tested as far as possible on a set of tester table, by
Complex in the measurement process of optical fiber Insertion Loss, usually there is the test equipment of multiple same types in a set of tester table, for not
Different testing requirements with optic communication device are difficult to uniformly consider and realize, and test equipment is usually manually operated, then
Automatic to calculate Insertion Loss value, measurement result precision is low.
Utility model content
In view of this, the utility model embodiment provides a kind of Insertion Loss measuring system of optic communication device, to solve to pass
The test method testing efficiency of system is lower, needs to test the difference of different optic communication devices using more tester table
Demand is difficult to uniformly consider and realize, and the problem that measurement result precision is low.
The first aspect of the utility model embodiment provides a kind of Insertion Loss measuring system of optic communication device comprising extremely
Few five photoswitches, the first wavelength division multiplexer, the second wavelength division multiplexer, first~third optical splitter, oscillograph, optical receiver
At least five light described in part, single mode long optical fibers, the first optical attenuator, the second optical attenuator, light power meter and optical network unit are opened
Closing includes the first~the 5th photoswitch；
Optic communication device, first photoswitch, first wavelength division multiplexer, second photoswitch, described first
Optical splitter and the oscillograph are sequentially connected, and first optical splitter is also connect with the light receiving element, first wavelength-division
Multiplexer is also connect by the third photoswitch with second photoswitch, the third photoswitch, the 4th photoswitch,
First optical attenuator, second optical splitter, second wavelength division multiplexer and the optical network unit are sequentially connected, institute
State third photoswitch and also pass through the single mode long optical fibers and connect with the 4th photoswitch, second optical splitter also with the light
Power meter connection, second wavelength division multiplexer, the 5th photoswitch, second optical attenuator, the third optical splitter
It is sequentially connected with first wavelength division multiplexer, the optical network unit is also connect with the 5th photoswitch；
It is the optic communication device, first photoswitch, first wavelength division multiplexer, second photoswitch, described
First optical splitter, the oscillograph and the light receiving element constitute the first transmitting Insertion Loss link；
It is the optic communication device, first photoswitch, first wavelength division multiplexer, the third photoswitch, described
First optical splitter, the oscillograph and the light receiving element constitute the second transmitting Insertion Loss link；
It is the optic communication device, first photoswitch, first wavelength division multiplexer, the third photoswitch, described
4th photoswitch, first optical attenuator, second optical splitter, the light power meter, second wavelength division multiplexer and
The optical network unit constitutes transmitting without the transmission cost Insertion Loss link of long optical fibers；
It is the optic communication device, first photoswitch, first wavelength division multiplexer, the third photoswitch, described
Single mode long optical fibers, the 4th photoswitch, first optical attenuator, second optical splitter, the light power meter, described
Two wavelength division multiplexers and the optical network unit constitute the transmission cost Insertion Loss link that long optical fibers are passed through in transmitting；
The optical network unit, second wavelength division multiplexer, the 5th photoswitch, second optical attenuator, institute
Third optical splitter, first wavelength division multiplexer, first photoswitch and optic communication device composition first is stated to receive and insert
Damage link；
The optical network unit, the 5th photoswitch, second optical attenuator, the third optical splitter, described
One wavelength division multiplexer, first photoswitch and the optic communication device constitute second and receive Insertion Loss link；
When the optic communication device is light transmit-receive integrated device, the transmission cost Insertion Loss emitted without long optical fibers
Link and described second receives the first transmitting of Insertion Loss link composition received from ring Insertion Loss link, and the biography of long optical fibers is passed through in the transmitting
Defeated cost Insertion Loss link and described second receives the second transmitting of Insertion Loss link composition received from ring Insertion Loss link.
In one embodiment, the first transmitting Insertion Loss link is that the optic communication device emits first wave length optical signal
Transmitting Insertion Loss link；
The second transmitting Insertion Loss link is the transmitting Insertion Loss link that the optic communication device emits second wave length optical signal；
It is described transmitting without long optical fibers transmission cost Insertion Loss link be the second wave length optical signal launch without
The transmission cost Insertion Loss link of long optical fibers；
The transmitting is the second wave length optical signal launch through too long light by the transmission cost Insertion Loss link of long optical fibers
Fine transmission cost Insertion Loss link；
Described first receives the reception Insertion Loss link that Insertion Loss link is third wavelength channels；
Described second receives the reception Insertion Loss link that Insertion Loss link is the 4th wavelength channels；
When the optic communication device is light transmit-receive integrated device, first transmitting is received from ring Insertion Loss link and described
Second transmitting is the transmitting of second wave length optical signal and the 4th wavelength channels received from ring Insertion Loss received from ring Insertion Loss link
Link.
In one embodiment, the first wave length, the second wave length, the third wavelength or the 4th wavelength are
Any one of 1490nm, 1577nm, 1270nm and 1310nm, and the first wave length is different with the second wave length, institute
It is different with the 4th wavelength to state third wavelength.
In one embodiment, the first wave length is 1490nm, the second wave length is 1577nm, the third wavelength
It is 1310nm for 1270nm, the 4th wavelength.
In one embodiment, first photoswitch is the photoswitch of M × 1, first wavelength division multiplexer is 1 × N wave
Division multiplexer, second photoswitch are the photoswitch of I × 1, the third photoswitch is 1 × J photoswitch, the 4th photoswitch
For the photoswitch of K × 1, second wavelength division multiplexer be 1 × m wavelength division multiplexer, the 5th photoswitch is the photoswitch of n × 1；
Wherein, M, J are greater than or equal to 4 and are integer, and N, I, K, m, n are greater than or equal to 2 and are integer.
In one embodiment, M, J are equal to 4, and N, I, K, m, n are equal to 2.
In one embodiment, the length range of the long optical fibers is 10km~100km.
In one embodiment, the light splitting ratio of first~third optical splitter is respectively 1:9,1:9 and 5:5.
In one embodiment, the output wavelength of the optic communication device is 1490nm and 1577nm.
In one embodiment, the received wave of the optic communication device a length of 1270nm and 1310nm.
The utility model embodiment by providing a kind of Insertion Loss measuring system of optic communication device, may be implemented to it is a variety of not
The measurement of five kinds of optical fiber Insertion Loss of same optic communication device, testing efficiency is high, the quantity of tester table can be effectively reduced, to difference
The different testing requirements of optic communication device uniformly can be considered and be realized.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the Insertion Loss measuring system for the optic communication device that the utility model embodiment one provides；
Fig. 2 is the flow diagram of the Insertion Loss bearing calibration for the optic communication device that the utility model embodiment two provides；
Fig. 3 is the schematic diagram at the test link interface that the utility model embodiment two provides；
Fig. 4 is the structural schematic diagram of the Insertion Loss correction system for the optic communication device that the utility model embodiment three provides；
Fig. 5 is the structural schematic diagram for the terminal device that the utility model embodiment four provides.
Specific embodiment
In order to make those skilled in the art better understand the scheme of the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, the technical scheme in the embodiment of the utility model is explicitly described, it is clear that described embodiment
It is the embodiment of the utility model a part, instead of all the embodiments.Based on the embodiments of the present invention, this field
Those of ordinary skill's every other embodiment obtained without making creative work all should belong to practical
Novel protected range.
The specification and claims of the utility model and term " includes " and their any changes in above-mentioned attached drawing
Shape, it is intended that cover and non-exclusive include.Such as process, method comprising a series of steps or units or system, product or
Equipment is not limited to listed step or unit, but optionally further comprising the step of not listing or unit or optional
Ground further includes the other step or units intrinsic for these process, methods, product or equipment.In addition, term " first ", " the
Two " and " third " etc. are for distinguishing different objects, not for description particular order.
Embodiment one
As shown in Figure 1, the present embodiment provides a kind of Insertion Loss measuring systems of optic communication device comprising the first~the 5th light
Switch (optical switch) 01~05, first 11, second wavelength division multiplexer of wavelength division multiplexer (WDM) (WDM) 12, first~
Third optical splitter (Optical Splitter) 21~23, oscillograph 3, light receiving element (Optical Subassembly) 4,
Single mode long optical fibers 5, the 61, second optical attenuator 62 of the first optical attenuator (light wane), light power meter (optical power
Meter) 7 and optical network unit (Optical Network Unit, ONU) 8.
In a particular application, Insertion Loss measuring system includes at least five photoswitches, illustratively shows five light in Fig. 1
Switch.
In a particular application, light receiving element is primarily used for for optical signal being converted to electric signal (O/E conversion), main property
Energy index has sensitivity (Sen) etc..
In a particular application, long optical fibers can select the long optical fibers of random length according to actual needs, such as 10km~
100km long optical fibers can specifically select 20km or 40km long optical fibers.
As shown in Figure 1, the connection relationship between each instrument is as follows in Insertion Loss measuring system provided by the present embodiment:
Optic communication device 9, the first photoswitch 01, the first wavelength division multiplexer 11, the second photoswitch 02,21 and of the first optical splitter
Oscillograph 3 is sequentially connected, and the first optical splitter 21 is also connect with light receiving element 4；
First wavelength division multiplexer 12 is also connect by third photoswitch 03 with the second photoswitch 02；
Third photoswitch 03, the 4th photoswitch 04, the first optical attenuator 61, the second optical splitter 22, the second wavelength division multiplexer
12 and optical network unit 8 be sequentially connected,
Third photoswitch 03 is also connect by single mode long optical fibers 5 with the 4th photoswitch 04；
Second optical splitter 22 is also connect with light power meter 7；
Second wavelength division multiplexer 12, the 5th photoswitch 05, the second optical attenuator 62, third optical splitter 23 and the first wavelength-division are multiple
It is sequentially connected with device 11；
Optical network unit 8 is also connect with the 5th photoswitch 05.
Connecting line with the arrow indicates the transmission of optical signal in Fig. 1, and arrow direction indicates optical signal transmission direction, the number of arrow
Amount is not used to limit the interface quantity of each device.
In a particular application, optic communication device can select according to actual needs optical module, optical active component or light passive
Device, optic communication device can only have optical signal launch or optical signal receive capabilities, can also be provided simultaneously with optical signal launch
With optical signal receive capabilities.As shown in Figure 1, optic communication device 9, the first photoswitch 01, the first wavelength division multiplexer 11, the second light are opened
It closes the 02, first optical splitter 21, oscillograph 3 and light receiving element 4 and constitutes the first transmitting Insertion Loss link (11)；
Optic communication device 9, the first photoswitch 01, the first wavelength division multiplexer 11, third photoswitch 03, the first optical splitter 21,
Oscillograph 3 and light receiving element 4 constitute the second transmitting Insertion Loss link (12)；
Optic communication device 9, the first photoswitch 01, the first wavelength division multiplexer 11, third photoswitch 03, the 4th photoswitch 04,
First optical attenuator 61, the second optical splitter 22, light power meter 7, the second wavelength division multiplexer 12 and optical network unit 8 constitute transmitting not
By the transmission cost Insertion Loss link (21) of long optical fibers；
Optic communication device 9, the first photoswitch 01, the first wavelength division multiplexer 11, third photoswitch 03, single mode long optical fibers 5,
Four photoswitches 04, the first optical attenuator 61, the second optical splitter 22, light power meter 7, the second wavelength division multiplexer 12 and optical network unit
8 constitute the transmission cost Insertion Loss link (22) that long optical fibers are passed through in transmitting；
Optical network unit 8, the second wavelength division multiplexer 12, the 5th photoswitch 05, the second optical attenuator 62, third optical splitter
23, the first wavelength division multiplexer 11, the first photoswitch 01 and optic communication device 9 constitute first and receive Insertion Loss link (31)；
Optical network unit 8, the 5th photoswitch 05, the second optical attenuator 62, third optical splitter 03, the first wavelength division multiplexer
11, the first photoswitch 01 and optic communication device 9 constitute second and receive Insertion Loss link (32).
In a particular application, the Insertion Loss measuring system includes emitting Insertion Loss link, emitting the transmission without long optical fibers
Cost Insertion Loss link, transmitting are by the transmission cost Insertion Loss link, reception Insertion Loss link and transmitting of long optical fibers received from ring Insertion Loss
Link totally five kinds of test links, the wave for the optical signal that the quantity of every kind of test link is emitted by optic communication device and optical network unit
Long quantity.
In a particular application, the quantity that the port number of each instrument such as optical attenuator, oscillograph and light open the light is led to by light
Believe that the number of wavelengths of the optical signal of device and optical network unit transmitting determines, or tests the quantity of link as belonging to each instrument
It determines.
As shown in Figure 1, the number of wavelengths for illustratively showing the optical signal of the sending of optic communication device 9 is 2 and optical-fiber network list
The case where number of wavelengths of the optical signal of member transmitting is 2.
In one embodiment, when the optic communication device is light transmit-receive integrated device, the transmitting is without too long light
Fine transmission cost Insertion Loss link and described second receives Insertion Loss link and constitutes the first transmitting received from ring Insertion Loss link, the hair
It penetrates and receives the second transmitting of Insertion Loss link composition received from ring Insertion Loss by the transmission cost Insertion Loss link of long optical fibers and described second
Link.
In a particular application, when optic communication device is light transmit-receive integrated device, the optical signal of optic communication device transmitting passes through
Transmitting returns to optic communication device later received from ring Insertion Loss link and is received.
In one embodiment, the first transmitting Insertion Loss link is that the optic communication device emits first wave length optical signal
Transmitting Insertion Loss link；
The second transmitting Insertion Loss link is the transmitting Insertion Loss link that the optic communication device emits second wave length optical signal；
It is described transmitting without long optical fibers transmission cost Insertion Loss link be the second wave length optical signal launch without
The transmission cost Insertion Loss link of long optical fibers；
The transmitting is the second wave length optical signal launch through too long light by the transmission cost Insertion Loss link of long optical fibers
Fine transmission cost Insertion Loss link；
Described first receives the reception Insertion Loss link that Insertion Loss link is third wavelength channels；
Described second receives the reception Insertion Loss link that Insertion Loss link is the 4th wavelength channels；
When the optic communication device is light transmit-receive integrated device, first transmitting is received from ring Insertion Loss link and described
Second transmitting is the transmitting of second wave length optical signal and the 4th wavelength channels received from ring Insertion Loss received from ring Insertion Loss link
Link.
In a particular application, first wave length, second wave length, third wavelength or the 4th wavelength be 1490nm, 1577nm,
Any one of 1270nm and 1310nm, and first wave length and second wave length difference, third wavelength and the 4th wavelength are different.
In one embodiment, first wave length 1490nm, second wave length 1577nm, third wavelength are 1270nm,
Four wavelength are 1310nm.
In one embodiment, first photoswitch is the photoswitch of M × 1, first wavelength division multiplexer is 1 × N wave
Division multiplexer, second photoswitch are the photoswitch of I × 1, the third photoswitch is 1 × J photoswitch, the 4th photoswitch
For the photoswitch of K × 1, second wavelength division multiplexer be 1 × m wavelength division multiplexer, the 5th photoswitch is the photoswitch of n × 1；
Wherein, M, J are greater than or equal to 4 and are integer, and N, I, K, m, n are greater than or equal to 2 and are integer.
In one embodiment, M, J are equal to 4, and N, I, K, m, n are equal to 2.
In a particular application, the optical signal of the different wave length of optic communication device output can be divided into multi-beam letter by optical filter
Number, that is, it is divided into the optical signal in multiple channels；Then by the first photoswitch respectively by the channel access test link of different wave length
It is tested.Such as: a certain light emitting devices can emit the optical signal of two kinds of wavelength, and two channels are divided into after optical filter
Optical signal, number is DUT1, DUT2 respectively, and further by the first photoswitch respectively to test needed for two channel selectings
Link.
In a particular application, the optical attenuation ratio and the light splitting of first~third of the first optical attenuator and the second optical attenuator
The light splitting ratio of device can be configured according to actual needs.
In one embodiment, the light splitting ratio of first~third optical splitter is respectively 1:9,1:9 and 5:5, i.e., first point
Light device is output to that the optical signal ratio of oscillograph is 10%, to be output to the optical signal ratio of light receiving element be 90%, and second point
Light device is output to that the optical signal ratio of light power meter is 10%, to be output to the optical signal ratio of the second wavelength division multiplexer be 90%；
Third optical splitter is output to the first wave length optical signal of the first wavelength division multiplexer and second wave length optical signal ratio is respectively 50%.
The present embodiment may be implemented logical to a variety of different light by providing a kind of Insertion Loss measuring system of optic communication device
Believe the measurement of five kinds of optical fiber Insertion Loss of device, testing efficiency is high, the quantity of tester table can be effectively reduced, to different optic communication devices
The different testing requirements of part uniformly can be considered and be realized.
Embodiment two
As shown in Fig. 2, the light based on embodiment one is logical the present embodiment provides a kind of Insertion Loss bearing calibration of optic communication device
Believe that the Insertion Loss measuring system of device realizes that the method can be applied to arbitrarily have interface display, human-computer interaction and data
The terminal device of processing function, for example, desktop PC, notebook, palm PC and cloud server etc. calculate equipment.Institute
The method of stating includes:
Step S201, when at least one optic communication device accesses Insertion Loss measuring system, it is defeated to obtain the optic communication device
The wavelength information of optical signal out；Wherein, the wavelength information includes wavelength number and wavelength.
In a particular application, when multiple optic communication devices access Insertion Loss measuring system, then each optic communication is obtained respectively
The wavelength information of the optical signal of device output.
In one embodiment, it is two wavelength of 1490nm and 1577nm that the optical signal of optic communication device output, which includes wavelength,
Optical signal.
In one embodiment, include: before step S201
All test equipments for constructing Insertion Loss measuring system are named according to default naming rule；Wherein, institute
Stating default naming rule includes by the name nominating of test equipment are as follows: the function code of test equipment+test link code+test
The number of instrument.
In a particular application, when defining test equipment, without formulating the specific name of test equipment, by different manufacturers, no
Test equipment with model carries out classification definition, naming rule is: test equipment according to the type of test equipment in a manner of alias
Function code+test link code+test equipment number (such as: alias DCA represents optical Oscilloscope；ATT in ATTOPP
Indicate that light decay device, OPP represent optical transport cost link, test equipment ATTOPP represents the optical attenuation of test light transmission cost
Device, POWOPP represent the light power meter of test light transmission cost, and the OSW in OSWNTDP indicates that photoswitch, NTD indicate non-length
Test optical fiber, test equipment OSWNTDP indicate that the photoswitch of non-long fine test, OSWTDP indicate the photoswitch of long fine test；It surveys
" _ x " digital coding after test instrument alias represents similar test equipment number, to distinguish more identical function in a test link
The test equipment of energy).Because different manufacturers, the interface of the test equipment of different model and name are different, need to its communication protocol into
It is uniformly managed after row conversion, realizes that function is unified and configure, therefore, no matter the test equipment producer of same test function and type
It is number whether identical, using the same function code.
Step S202, when the optic communication device to be measured in need at least one described optic communication device for carrying out Insertion Loss correction
When, according to the number of optic communication device to be measured and the Insertion Loss Linktype and wavelength number of the optic communication device to be measured, show
Show corresponding test link interface.
In one embodiment, before step S202, comprising:
Judge whether to need to carry out Insertion Loss correction to the optic communication device；
It is described to judge whether to need to after optic communication device progress Insertion Loss correction, comprising:
When not needing to carry out the optic communication device to be measured of Insertion Loss correction at least one described optic communication device, terminate
Test.
When not needing to carry out the optic communication device to be measured of Insertion Loss correction at least one described optic communication device, terminate
Test.
In a particular application, when optic communication device accesses Insertion Loss measuring system, need to judge respectively each optic communication device
Whether part needs to carry out Insertion Loss correction, if needing to carry out Insertion Loss correction without optic communication device, directly terminates to test.Light is logical
Letter device do not need the case where carrying out Insertion Loss correction be usually it is current Insertion Loss correction carried out to optic communication device, but light
Communication device still connects and Insertion Loss measuring system, and present terminal equipment is caused to detect optic communication device access Insertion Loss measurement system
System.In this case, can terminate to test by the manual input test END instruction of user, it can also be longer pre- at one
If not receiving when starting test instruction of user's input after the period, terminate test.
In the present embodiment, Insertion Loss Linktype includes 5 type corresponding with five kinds of test links of Insertion Loss measuring system
Type.
As shown in figure 3, illustratively showing a test link interface, wherein be Insertion Loss link class to light type
Type.
Step S203, for the first optic communication device to be measured for carrying out Insertion Loss correction for the first time non-in the optic communication device to be measured
Part automatically selects the first test link corresponding with the Insertion Loss Linktype of the described first optic communication device to be measured and wavelength.
In one embodiment, before step S203, comprising:
According to the Insertion Loss Linktype and wavelength of the optic communication device to be measured, whether the optic communication device to be measured is judged
To carry out Insertion Loss correction for the first time.
In a particular application, the Insertion Loss Linktype of optic communication device to be measured includes five kinds of tests with Insertion Loss measuring system
Corresponding 5 seed type of link, the wavelength of optic communication device to be measured are then determined by the specific wavelength of the optical signal of its output.If to
The optical signal for surveying a certain wavelength that optic communication device issues does not carry out the test of a certain Insertion Loss Linktype, then it is assumed that light to be measured
The corresponding wavelength of communication device and the Insertion Loss Linktype are to carry out Insertion Loss correction for the first time, corresponding, if optic communication to be measured
The optical signal for a certain wavelength that device issues carried out the test of a certain Insertion Loss Linktype, then it is assumed that optic communication device pair to be measured
The wavelength and the Insertion Loss Linktype answered are non-progress Insertion Loss correction for the first time, can be automatically selected and the first optic communication device to be measured
The Insertion Loss Linktype it is corresponding with the wavelength first test link.The type and Insertion Loss Linktype phase of first test link
Together.
Step S204, for the second optic communication device to be measured for carrying out Insertion Loss correction in the optic communication device to be measured for the first time
Part, according to the instruction that manually selects of user's input, the Insertion Loss Linktype and wave of selection and the described second optic communication device to be measured
Long corresponding second test link.
In a particular application, if the optical signal for a certain wavelength that optic communication device to be measured issues does not carry out a certain Insertion Loss
The test of Linktype then needs to be inputted by human assistance identical with the Insertion Loss Linktype that do not tested for selecting
Link is tested, optic communication device to be measured is tested.
Step S205, according to last time measurement the described first optic communication device to be measured Insertion Loss value and pass through described first
The optical power for testing link automatic measurement obtains described in the currently practical optical power of the described first optic communication device to be measured and correction
The optical power of first test link automatic measurement.
In one embodiment, before step S205, comprising:
The corresponding with the Insertion Loss Linktype of the described first optic communication device to be measured and wavelength of last measurement is obtained to insert
Damage value.
In a particular application, if the optical signal for a certain wavelength that optic communication device to be measured issues carried out a certain Insertion Loss chain
The test of road type, then present terminal equipment will record the Insertion Loss value that last test obtains, and directly obtains and calls automatically
The Insertion Loss value.
In a particular application, it is assumed that the Insertion Loss value of last time measurement is C0, this passes through the first test link automatic measurement
Optical power be A1, then then this is passed through the by the current practical optical power P1=A1+C0 of the first optic communication device to be measured
The optical power A1 of one test link automatic measurement is corrected to current practical optical power P1.This is automatic by the first test link
The optical power A1 of measurement is the optical power that oscillograph, light receiving element or the light power meter in the first test link measure.
Step S206, it is surveyed according to by the optical power and user of the second test link automatic measurement by described second
The optical power for trying link manual measurement obtains the current Insertion Loss value of the described second optic communication device to be measured and corrects second survey
Try the optical power of link automatic measurement.
In a particular application, if the optical signal for a certain wavelength that optic communication device to be measured issues did not carried out a certain insert
The test of Linktype is damaged, then this, which needs to obtain, passes through second by the optical power and user of the second test link automatic measurement
The optical power for testing link manual measurement (i.e. when optic communication device is ballistic device, is obtained in the end measurement of test link
Practical optical power；When optic communication device is receiving device, in the practical optical power that the measurement of optic communication device end obtains).
In a particular application, it is assumed that this is A2 by optical power of the second test link automatic measurement, and user passes through the
The optical power of two test link manual measurements is B2, then the current Insertion Loss value C2=B2-A2 of the second optic communication device to be measured, then
This is corrected to current practical optical power B2 by the optical power A2 of the second test link automatic measurement.This passes through second
The optical power A2 of test link automatic measurement is that oscillograph, light receiving element or the light power meter in the second test link measure
Optical power.
The present embodiment is by obtaining optic communication device output when at least one optic communication device accesses Insertion Loss measuring system
Optical signal wavelength information, to obtain wavelength number and wavelength, when it is in need carry out Insertion Loss correction optic communication device to be measured
When, according to the number of optic communication device to be measured and the Insertion Loss Linktype and wavelength number of optic communication device to be measured, display pair
The test link interface answered；Then it for non-the first optic communication device to be measured for carrying out Insertion Loss correction for the first time, automatically selects and the
The corresponding first test link of the Insertion Loss Linktype and wavelength of one optic communication device to be measured；For progress Insertion Loss correction for the first time
Second optic communication device to be measured, according to the instruction that manually selects of user's input, the Insertion Loss of selection and the second optic communication device to be measured
Linktype and the corresponding second test link of wavelength；Finally according to the Insertion Loss of the first optic communication device to be measured of last time measurement
Value and the optical power for testing link automatic measurement by first, obtain the currently practical optical power of the first optic communication device to be measured simultaneously
The optical power of correction the first test link automatic measurement；Lead to according to by the optical power and user of the second test link automatic measurement
The optical power for crossing the second test link manual measurement obtains the current Insertion Loss value of the second optic communication device to be measured and corrects the second survey
Try the optical power of link automatic measurement；So as to according to the Insertion Loss Linktype and wavelength of different optic communication devices to be measured
Number selects corresponding test link from same Insertion Loss measuring system automatically to measure Insertion Loss value and be corrected, and test is imitated
Rate is high, can effectively reduce the quantity of tester table, can uniformly consider to the different testing requirements of different optic communication devices and real
It is existing, and test result precision is high.
It should be understood that the size of the serial number of each step is not meant that the order of the execution order in above-described embodiment, each process
Execution sequence should be determined by its function and internal logic, without cope with the utility model embodiment implementation process constitute it is any
It limits.
Embodiment three
As shown in figure 4, the present embodiment provides a kind of Insertion Loss of optic communication device to correct system 4, the light based on embodiment one
The Insertion Loss measuring system of communication device realizes that, for executing the method and step in embodiment two, the system can be applied to appoint
Software program system in the terminal device with interface display, human-computer interaction and data processing function of meaning, for example, desktop
Computer, notebook, palm PC and cloud server etc. calculate equipment.The system comprises:
Wavelength information obtains module 401, for obtaining the light when at least one optic communication device accesses test link
The wavelength information of the optical signal of communication device output；Wherein, the wavelength information includes wavelength number and wavelength；
Display module 402, for when the light to be measured in need at least one described optic communication device for carrying out Insertion Loss correction
When communication device, according to the number of optic communication device to be measured and the Insertion Loss Linktype and wavelength of the optic communication device to be measured
Number shows corresponding test link interface；
First choice module 403, for carrying out the first of Insertion Loss correction for the first time for non-in the optic communication device to be measured
Optic communication device to be measured automatically selects and the Insertion Loss Linktype of the described first optic communication device to be measured and wavelength corresponding first
Test link；
Second selecting module 404, for for carried out in the optic communication device to be measured for the first time the second of Insertion Loss correction to
Optic communication device is surveyed, according to the instruction that manually selects of user's input, the Insertion Loss chain of selection and the described second optic communication device to be measured
Road type and the corresponding second test link of wavelength；
First correction module 405, for according to last time measurement the described first optic communication device to be measured Insertion Loss value and
By the optical power of the first test link automatic measurement, the currently practical smooth function of the described first optic communication device to be measured is obtained
Rate and the optical power for correcting the first test link automatic measurement；
Second correction module 406, for leading to according to by the optical power and user of the second test link automatic measurement
The optical power for crossing the second test link manual measurement, obtains the current Insertion Loss value of the described second optic communication device to be measured and school
The optical power of the just described second test link automatic measurement.
In one embodiment, the system also includes:
Module is named, for carrying out according to default naming rule to all test equipments for constructing Insertion Loss measuring system
Name；Wherein, the default naming rule includes the title of test equipment are as follows: the function code of test equipment+test link generation
The number of code+test equipment.
In one embodiment, the system also includes:
First judgment module needs to carry out Insertion Loss correction to the optic communication device for judging whether；
Ending module, for leading to when the light to be measured for not needing to carry out Insertion Loss correction at least one described optic communication device
When believing device, terminate test.
In one embodiment, the system also includes:
Second judgment module, for the Insertion Loss Linktype and wavelength according to the optic communication device to be measured, described in judgement
Whether optic communication device to be measured is progress Insertion Loss correction for the first time；
Obtain module, for obtain last measurement with the Insertion Loss Linktype of the described first optic communication device to be measured and
The corresponding Insertion Loss value of wavelength.
The present embodiment is by obtaining optic communication device output when at least one optic communication device accesses Insertion Loss measuring system
Optical signal wavelength information, to obtain wavelength number and wavelength, when it is in need carry out Insertion Loss correction optic communication device to be measured
When, according to the number of optic communication device to be measured and the Insertion Loss Linktype and wavelength number of optic communication device to be measured, display pair
The test link interface answered；Then it for non-the first optic communication device to be measured for carrying out Insertion Loss correction for the first time, automatically selects and the
The corresponding first test link of the Insertion Loss Linktype and wavelength of one optic communication device to be measured；For progress Insertion Loss correction for the first time
Second optic communication device to be measured, according to the instruction that manually selects of user's input, the Insertion Loss of selection and the second optic communication device to be measured
Linktype and the corresponding second test link of wavelength；Finally according to the Insertion Loss of the first optic communication device to be measured of last time measurement
Value and the optical power for testing link automatic measurement by first, obtain the currently practical optical power of the first optic communication device to be measured simultaneously
The optical power of correction the first test link automatic measurement；Lead to according to by the optical power and user of the second test link automatic measurement
The optical power for crossing the second test link manual measurement obtains the current Insertion Loss value of the second optic communication device to be measured and corrects the second survey
Try the optical power of link automatic measurement；So as to according to the Insertion Loss Linktype and wavelength of different optic communication devices to be measured
Number selects corresponding test link from same Insertion Loss measuring system automatically to measure Insertion Loss value and be corrected, and test is imitated
Rate is high, can effectively reduce the quantity of tester table, can uniformly consider to the different testing requirements of different optic communication devices and real
It is existing, and test result precision is high.
Embodiment five
As shown in figure 5, the present embodiment provides a kind of terminal devices 5 comprising: processor 50, memory 51 and storage
In the memory 51 and the computer program 52 that can be run on the processor 50, such as the Insertion Loss school of optic communication device
Positive program.The processor 50 realizes that the Insertion Loss bearing calibration of above-mentioned optic communication device is implemented when executing the computer program 52
Step in example, such as step S201 to S206 shown in Fig. 2.Alternatively, the processor 50 executes the computer program 52
The function of each module/unit in the above-mentioned each Installation practice of Shi Shixian, such as the function of module 401 to 406 shown in Fig. 4.
Illustratively, the computer program 52 can be divided into one or more module/units, it is one or
Multiple module/units are stored in the memory 51, and are executed by the processor 50, to complete the utility model.Institute
Stating one or more module/units can be the series of computation machine program instruction section that can complete specific function, the instruction segment
For describing implementation procedure of the computer program 52 in the terminal device 5.For example, the computer program 52 can be with
It is divided into wavelength information and obtains module, display module, first choice module, the second selecting module, the first correction module, second
Correction module, each module concrete function are as follows:
Wavelength information obtains module, for it is logical to obtain the light when at least one optic communication device accesses test link
Believe the wavelength information of the optical signal of device output；Wherein, the wavelength information includes wavelength number and wavelength；
Display module, for when the optic communication to be measured in need at least one described optic communication device for carrying out Insertion Loss correction
When device, according to the Insertion Loss Linktype and wavelength of the number of optic communication device to be measured and the optic communication device to be measured
Number shows corresponding test link interface；
First choice module, it is to be measured for first for the Insertion Loss correction of progress for the first time non-in the optic communication device to be measured
Optic communication device automatically selects the first test corresponding with the Insertion Loss Linktype of the described first optic communication device to be measured and wavelength
Link；
Second selecting module, for for the second light to be measured for carrying out Insertion Loss correction in the optic communication device to be measured for the first time
Communication device, according to the instruction that manually selects of user's input, the Insertion Loss link class of selection and the described second optic communication device to be measured
Type and the corresponding second test link of wavelength；
First correction module, for according to last time measurement the described first optic communication device to be measured Insertion Loss value and pass through
The optical power of the first test link automatic measurement, obtains the currently practical optical power of the described first optic communication device to be measured simultaneously
Correct the optical power of the first test link automatic measurement；
Second correction module, for passing through institute according to by the optical power and user of the second test link automatic measurement
The optical power for stating the second test link manual measurement obtains the current Insertion Loss value of the described second optic communication device to be measured and corrects institute
State the optical power of the second test link automatic measurement.
The terminal device 5 can be the calculating such as desktop PC, notebook, palm PC and cloud server and set
It is standby.The terminal device may include, but be not limited only to, processor 50, memory 51.It will be understood by those skilled in the art that Fig. 5
The only example of terminal device 5 does not constitute the restriction to terminal device 5, may include than illustrating more or fewer portions
Part perhaps combines certain components or different components, such as the terminal device can also include input-output equipment, net
Network access device, bus etc..
Alleged processor 50 can be central processing unit (Central Processing Unit, CPU), can also be
Other general processors, digital signal processor (Digital Signal Processor, DSP), specific integrated circuit
(Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components etc..General processor can be microprocessor or the processor is also possible to any conventional processor
Deng.
The memory 51 can be the internal storage unit of the terminal device 5, such as the hard disk or interior of terminal device 5
It deposits.The memory 51 is also possible to the External memory equipment of the terminal device 5, such as be equipped on the terminal device 5
Plug-in type hard disk, intelligent memory card (Smart Media Card, SMC), secure digital (Secure Digital, SD) card dodge
Deposit card (Flash Card) etc..Further, the memory 51 can also both include the storage inside list of the terminal device 5
Member also includes External memory equipment.The memory 51 is for storing needed for the computer program and the terminal device
Other programs and data.The memory 51 can be also used for temporarily storing the data that has exported or will export.
It is apparent to those skilled in the art that for convenience of description and succinctly, only with above-mentioned each function
Can unit, module division progress for example, in practical application, can according to need and by above-mentioned function distribution by different
Functional unit, module are completed, i.e., the internal structure of described device is divided into different functional unit or module, more than completing
The all or part of function of description.Each functional unit in embodiment, module can integrate in one processing unit, can also
To be that each unit physically exists alone, can also be integrated in one unit with two or more units, it is above-mentioned integrated
Unit both can take the form of hardware realization, can also realize in the form of software functional units.In addition, each function list
Member, the specific name of module are also only for convenience of distinguishing each other, the protection scope being not intended to limit this application.Above system
The specific work process of middle unit, module, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in detail or remembers in some embodiment
The part of load may refer to the associated description of other embodiments.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed this reality
With novel range.
In embodiment provided by the utility model, it should be understood that disclosed device/terminal device and method,
It may be implemented in other ways.For example, device described above/terminal device embodiment is only schematical, example
Such as, the division of the module or unit, only a kind of logical function partition, can there is other division side in actual implementation
Formula, such as multiple units or components can be combined or can be integrated into another system, or some features can be ignored, or not
It executes.Another point, shown or discussed mutual coupling or direct-coupling or communication connection can be to be connect by some
Mouthful, the INDIRECT COUPLING or communication connection of device or unit can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the utility model can integrate in one processing unit,
It can be each unit to physically exist alone, can also be integrated in one unit with two or more units.It is above-mentioned integrated
Unit both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated module/unit be realized in the form of SFU software functional unit and as independent product sale or
In use, can store in a computer readable storage medium.Based on this understanding, the utility model is realized above-mentioned
All or part of the process in embodiment method can also instruct relevant hardware to complete by computer program, described
Computer program can be stored in a computer readable storage medium, which, can be real when being executed by processor
The step of existing above-mentioned each embodiment of the method.Wherein, the computer program includes computer program code, the computer
Program code can be source code form, object identification code form, executable file or certain intermediate forms etc..The computer can
Reading medium may include: any entity or device, recording medium, USB flash disk, mobile hard that can carry the computer program code
Disk, magnetic disk, CD, computer storage, read-only memory (ROM, Read-Only Memory), random access memory
(RAM, Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..It needs to illustrate
It is that the content that the computer-readable medium includes can be fitted according to the requirement made laws in jurisdiction with patent practice
When increase and decrease, such as in certain jurisdictions, according to legislation and patent practice, computer-readable medium do not include be electric carrier wave
Signal and telecommunication signal.
Embodiment described above is only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to before
Embodiment is stated the utility model is described in detail, those skilled in the art should understand that: it still can be with
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；And
These are modified or replaceed, the spirit for various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
And range, it should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of Insertion Loss measuring system of optic communication device, which is characterized in that including at least five photoswitches, the first wavelength-division multiplex
Device, the second wavelength division multiplexer, first~third optical splitter, oscillograph, light receiving element, single mode long optical fibers, the first optical attenuator,
At least five photoswitches described in second optical attenuator, light power meter and optical network unit include the first~the 5th photoswitch；
Optic communication device, first photoswitch, first wavelength division multiplexer, second photoswitch, first light splitting
Device and the oscillograph are sequentially connected, and first optical splitter is also connect with the light receiving element, first wavelength-division multiplex
Device is also connect by the third photoswitch with second photoswitch, the third photoswitch, the 4th photoswitch, described
First optical attenuator, second optical splitter, second wavelength division multiplexer and the optical network unit are sequentially connected, and described
Three photoswitches also pass through the single mode long optical fibers and connect with the 4th photoswitch, second optical splitter also with the optical power
Meter connection, second wavelength division multiplexer, the 5th photoswitch, second optical attenuator, the third optical splitter and institute
It states the first wavelength division multiplexer to be sequentially connected, the optical network unit is also connect with the 5th photoswitch；
The optic communication device, first photoswitch, first wavelength division multiplexer, second photoswitch, described first
Optical splitter, the oscillograph and the light receiving element constitute the first transmitting Insertion Loss link；
The optic communication device, first photoswitch, first wavelength division multiplexer, the third photoswitch, described first
Optical splitter, the oscillograph and the light receiving element constitute the second transmitting Insertion Loss link；
The optic communication device, first photoswitch, first wavelength division multiplexer, the third photoswitch, the described 4th
Photoswitch, first optical attenuator, second optical splitter, the light power meter, second wavelength division multiplexer and described
Optical network unit constitutes transmitting without the transmission cost Insertion Loss link of long optical fibers；
The optic communication device, first photoswitch, first wavelength division multiplexer, the third photoswitch, the single mode
Long optical fibers, the 4th photoswitch, first optical attenuator, second optical splitter, the light power meter, second wave
Division multiplexer and the optical network unit constitute the transmission cost Insertion Loss link that long optical fibers are passed through in transmitting；
The optical network unit, second wavelength division multiplexer, the 5th photoswitch, second optical attenuator, described
Three optical splitters, first wavelength division multiplexer, first photoswitch and the optic communication device constitute first and receive Insertion Loss chain
Road；
The optical network unit, the 5th photoswitch, second optical attenuator, the third optical splitter, the first wave
Division multiplexer, first photoswitch and the optic communication device constitute second and receive Insertion Loss link；
When the optic communication device is light transmit-receive integrated device, the transmission cost Insertion Loss link emitted without long optical fibers
Insertion Loss link is received with described second and constitutes the first transmitting received from ring Insertion Loss link, and the transmission generation of long optical fibers is passed through in the transmitting
Valence Insertion Loss link and described second receives the second transmitting of Insertion Loss link composition received from ring Insertion Loss link.
2. the Insertion Loss measuring system of optic communication device as described in claim 1, which is characterized in that the first transmitting Insertion Loss chain
Road is the transmitting Insertion Loss link that the optic communication device emits first wave length optical signal；
The second transmitting Insertion Loss link is the transmitting Insertion Loss link that the optic communication device emits second wave length optical signal；
The transmitting is the second wave length optical signal launch without too long light without the transmission cost Insertion Loss link of long optical fibers
Fine transmission cost Insertion Loss link；
The transmitting is the second wave length optical signal launch by long optical fibers by the transmission cost Insertion Loss link of long optical fibers
Transmission cost Insertion Loss link；
Described first receives the reception Insertion Loss link that Insertion Loss link is third wavelength channels；
Described second receives the reception Insertion Loss link that Insertion Loss link is the 4th wavelength channels；
When the optic communication device is light transmit-receive integrated device, first transmitting is received from ring Insertion Loss link and described second
Emitting received from ring Insertion Loss link is the transmitting of second wave length optical signal and the 4th wavelength channels received from ring Insertion Loss link.
3. the Insertion Loss measuring system of optic communication device as claimed in claim 2, which is characterized in that the first wave length, described
Second wave length, the third wavelength or the 4th wavelength are any one of 1490nm, 1577nm, 1270nm and 1310nm,
And the first wave length is different with the second wave length, and the third wavelength is different with the 4th wavelength.
4. the Insertion Loss measuring system of optic communication device as claimed in claim 3, which is characterized in that the first wave length is
1490nm, the second wave length are 1577nm, the third wavelength is 1270nm, the 4th wavelength is 1310nm.
5. the Insertion Loss measuring system of optic communication device as claimed in claim 1 or 2, which is characterized in that first photoswitch
For the photoswitch of M × 1, first wavelength division multiplexer be 1 × N wavelength division multiplexer, second photoswitch is the photoswitch of I × 1, institute
State that third photoswitch is 1 × J photoswitch, the 4th photoswitch is the photoswitch of K × 1, second wavelength division multiplexer is 1 × m
Wavelength division multiplexer, the 5th photoswitch are the photoswitch of n × 1；
Wherein, M, J are greater than or equal to 4 and are integer, and N, I, K, m, n are greater than or equal to 2 and are integer.
6. the Insertion Loss measuring system of optic communication device as claimed in claim 5, which is characterized in that M, J are equal to 4, N, I, K, m, n
Equal to 2.
7. the Insertion Loss measuring system of optic communication device as claimed in claim 1 or 2, which is characterized in that the length of the long optical fibers
Degree range is 10km~100km.
8. the Insertion Loss measuring system of optic communication device as claimed in claim 1 or 2, which is characterized in that the first~third
The light splitting ratio of optical splitter is respectively 1:9,1:9 and 5:5.
9. the Insertion Loss measuring system of optic communication device as claimed in claim 1 or 2, which is characterized in that the optic communication device
Output wavelength be 1490nm and 1577nm.
10. the Insertion Loss measuring system of optic communication device as claimed in claim 1 or 2, which is characterized in that the optic communication device
Received wave a length of 1270nm and 1310nm.
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| CN201821340042.XU CN208691248U (en) | 2018-08-17 | 2018-08-17 | A kind of Insertion Loss measuring system of optic communication device |
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| CN201821340042.XU CN208691248U (en) | 2018-08-17 | 2018-08-17 | A kind of Insertion Loss measuring system of optic communication device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108964754A (en) * | 2018-08-17 | 2018-12-07 | 深圳市亚派光电器件有限公司 | Insertion Loss bearing calibration, system and the Insertion Loss measuring system of optic communication device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108964754A (en) * | 2018-08-17 | 2018-12-07 | 深圳市亚派光电器件有限公司 | Insertion Loss bearing calibration, system and the Insertion Loss measuring system of optic communication device |
| CN108964754B (en) * | 2018-08-17 | 2023-11-17 | 深圳市亚派光电器件有限公司 | Insertion loss correction method and system for optical communication device and insertion loss measurement system |
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