CN109461202A - A kind of power optical fiber prediction instrument and a kind of judgment method that power optical fiber curvature influences performance based on image recognition - Google Patents
A kind of power optical fiber prediction instrument and a kind of judgment method that power optical fiber curvature influences performance based on image recognition Download PDFInfo
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- CN109461202A CN109461202A CN201810956150.8A CN201810956150A CN109461202A CN 109461202 A CN109461202 A CN 109461202A CN 201810956150 A CN201810956150 A CN 201810956150A CN 109461202 A CN109461202 A CN 109461202A
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Abstract
The power optical fiber prediction instrument based on image recognition that the invention discloses a kind of, including power supply, it further include image capture module, message output module, energy supply control module, operation module and the central information processing module that the signal links together, described image acquisition module is camera, the message output module is display screen, the energy supply control module includes ON/OFF switch, and the operation module includes can be to the start button and Pause key that center message processing module is operated；The central information processing module three dimensional internal spatial modeling software and 3-D image modeling algorithm.The present invention also provides a kind of judgment methods that power optical fiber curvature influences performance.The beneficial effects of the present invention are: can accurately detect power optical fiber curvature in the case where being not necessarily to and interrupting fiber work, and judge whether the bending degree of optical fiber increases optic communication loss, influences communication quality with this.
Description
Technical field
The invention belongs to field of electricity construction, specifically a kind of power optical fiber prediction instrument based on image recognition, Yi Jiying
With the prediction of this kind of optical fiber according to a kind of power optical fiber curvature judgment method that performance is influenced.
Background technique
Power optical fiber needs to have surplus in length in cable wiring manufacture, these surpluses are in the field of business to be referred to as remaining cable.It is remaining
Cable is in the middle part of whole optical fiber, handles for convenience, is usually crumpled up and is stored.In winding, windings are got over
It is more, it is smaller around coil diameter, it is clear that the occupied space after winding is more conducive to store with regard to smaller, but the characteristic based on optical fiber, volume
Pitch of the laps number is more, it is meant that refraction number of the optical signal in optical cable is more, and the loss of optic communication is bigger, can to communication quality
It can impact.Therefore, necessary control is carried out on windings, to obtain suitable winding diameter, take into account storage it is convenient and
Communication quality has to consider the problems of when being cable wiring manufacture.At present in cable wiring manufacture, lacks and power optical fiber curvature is examined
The device or method of survey can not effectively assess fibre-optical bending degree to the influence degree of communication, rely solely on the reality of operating staff
Border working experience, neither profession are also unreliable.Chinese patent literature CN107547847A disclosed " a kind of on January 5th, 2018
Optical fiber detector ", including it is image amplifier, image acquisition circuit, data transmission interface, image data processing circuit, aobvious
Show module, key group；The surface of testing fiber end face is arranged in described image amplifying circuit, for the image to fiber end face
It amplifies；Described image Acquisition Circuit is connect with image amplifier, for capturing the image of amplified fiber end face；Institute
Data transmission interface one end connection image acquisition circuit is stated, the other end connects image data processing circuit, is used for the optical fiber
The image of end face is exported to image data processing circuit；The display module connects image data processing circuit, for showing inspection
Survey result；The key group connects image data processing circuit, instructs for input control.The program can be with application image technology
Identify fiber end face data parameters.Chinese patent literature CN102680210A disclosed " fibre-optical bending on September 19th, 2012
The measurement method of energy " measures the power P 1 of the light projected from the other end of optical fiber under following state: in optical fiber (1) around the heart
The peripheral side of axis (2) winds one layer with constant pitch and covers the optical fiber (1) so wound with index matching sheet material (5)
In the case where entire periphery, light is made to be incident to the other end of optical fiber.The refractive index of the index matching sheet material (5) and the light
The refractive index of the outermost resin of fine (1) matches substantially.Chinese patent literature CN102538843A is in public affairs on July 4th, 2012
" Z-shaped high-sensibility " is opened, including pass through for signal optical fibre two and more than two
Linear type TCH test channel, the test cell to connect with signal optical fibre and the processing unit to connect with test cell；Linear type test
Channel include Z-shaped supporting frame, two of Z-shaped supporting frame and the opposite sides of more than two lower recesses be laid with multiple groups deformation
Tooth one and multiple groups deform tooth two, and multiple groups, which deform, to be formed between tooth one and the head of multiple groups deformation tooth two for one or more signal lights
Two and the more than two linear type channels that fibre passes through, deformation tooth one and the deformation correspondence of tooth two are laid in signal optical fibre two sides；
It further include two guide rods, guide rod is vertically through in entire Z-shaped supporting frame and perpendicular, the guide rod with linear type TCH test channel
It is slidably matched with Z-shaped supporting frame.Both methods is required to temporarily interrupt fiber work, or changes optical fiber standing state,
There is notable defect on convenience.
Summary of the invention
Based on problem above, the present invention provides a kind of power optical fiber prediction instrument based on image recognition, can be in being not necessarily to
Power optical fiber curvature is accurately detected in the case where disconnected fiber work, and judges whether the bending degree of optical fiber increases light and lead to this
Letter loss influences communication quality, and provides a kind of judgment method that power optical fiber curvature influences performance on this basis.
In order to realize goal of the invention one, the present invention adopts the following technical scheme: a kind of power optical fiber based on image recognition
Prediction instrument, including power supply further include image capture module, message output module, energy supply control module, operation module and should
The central information processing module that four signals link together, described image acquisition module are camera, and the information exports mould
Block is display screen, and the energy supply control module includes ON/OFF switch, and the operation module includes can be to center information processing mould
The start button and Pause key that block is operated；The central information processing module three dimensional internal spatial modeling software and 3-D image
Modeling algorithm.
The power optical fiber prediction instrument based on image recognition of this programme design, including power supply, image capture module, information are defeated
Module, energy supply control module, operation module and central information processing module out.Wherein, image capture module is using camera shooting
Head, for taking pictures to optical fiber；Message output module is using display screen, for human-computer dialogue content in display operation and most
The output of termination fruit；Energy supply control module includes ON/OFF switch, for controlling the opening and closing of power supply；Operation module is main people
Machine dialogue means, operator can use equipment by operation module；Central information processing module is the core of this prediction instrument
Component, not only signal connects other all parts, and three dimensional internal spatial modeling software and 3-D image modeling are calculated wherein
Method.It can be identified by the optical fiber photo that shooting obtains, and by generating three-dimensional space modeling with 3-D image modeling algorithm,
It is formed and the close threedimensional model of actual conditions height.The each point for the optical fiber that software can be wound in three-dimensional modeling on this basis
It carries out curve fitting, then the corresponding radius of a circle of the tangent line of calculated curve each point, to obtain the bending data of optical fiber each point.
After having grasped real data, so that it may which the reeling condition for adjusting optical fiber makes optical fiber take into account storage convenience and communication quality.This electricity
Power optical fiber prediction instrument compact, facilitates hand-held, can be in each position that operator can reach to the optical fiber of winding
It takes pictures.Without interrupting fiber work in operating process, provided a great convenience for operation.
Preferably, the central information processing module connects fibre-optical bending degree database by signal.Utilize database
It is also a method for increasing test result accuracy, database is largely to test to obtain by previous experiments room environmental, real
It can be by warehouse publication in the public network after testing.The fibre-optical bending data that will acquire and existing fibre-optical bending degree
It is compared according to library, so that it may preferably grasp influence of the bending degree of optical fiber to storage convenience and communication quality.Optical fiber is curved
Curvature database can be in Baidu Dropbox https: obtained on //pan.***.com/s/1XHPDHnljIP8JSVS7ubsKNg
It takes.
Preferably, being equipped with secondary light source, secondary light source electric connection of power supply by camera.Since the winding section of optical fiber is general
In storage space, ambient lighting is unsatisfactory in most cases.Secondary light source is added in prediction instrument, can obtain quality
Better shooting effect.The good photo of imaging effect, can utmostly eliminate error.
Preferably, being additionally provided with temperature sensor；The temperature sensor signal connects central information processing module.Temperature
Difference, the influence to curved optical fiber are also different, it is therefore necessary to the temperature data of environment where collecting optical fiber.
Preferably, being additionally provided with humidity sensor；The humidity sensor signal connects central information processing module.Humidity
Difference, the influence to curved optical fiber are also different, it is therefore necessary to the humidity data of environment where collecting optical fiber.
Preferably, being additionally provided with optical sensor；The optical sensor signal connects central information processing module.Illumination
Intensity is different, and the influence to curved optical fiber is also different, it is therefore necessary to the intensity of illumination data of environment where collecting optical fiber.
Preferably, being additionally provided with memory interface；The memory interface signal connects central information processing module, interface structure
Meet USB specification.In each field personnel after end of operation, can by this operation image, data, operation process recording,
Judging result etc. is downloaded by memory interface.Data can be kept separately or be added to fibre-optical bending degree database,
Keep the data in database more, more comprehensively, the judgement based on database is more accurate for coverage area.Interface selection meets USB
The specification of specification can be adapted to most of data transmission cables.If it is necessary, the interface form of other specifications can also be used instead,
It is subject to and meets transmission requirement.
In order to realize goal of the invention two, the present invention adopts the following technical scheme: a kind of power optical fiber curvature is to performance shadow
Loud judgment method, includes the following steps:
A, it is taken pictures using optical fiber of the power optical fiber prediction instrument to winding, to obtain image；
B, by image recognition, three are carried out to the optical fiber of winding using three-dimensional space modeling software and 3-D image modeling algorithm
Dimension modeling；
C, it carries out curve fitting to each point of the optical fiber wound in three-dimensional modeling, the corresponding circumference of the tangent line of calculated curve each point
Radius；
D, the data that preceding road step obtains are compared with fibre-optical bending degree database, obtain light performance judging result.
Then this method will be carried out based on using power optical fiber prediction instrument to take pictures the optical fiber of winding after photo array
Three-dimensional modeling, then carried out curve fitting by each point to the optical fiber wound in three-dimensional modeling, the tangent line pair of calculated curve each point
The radius of a circle answered i.e. single-point bending radius can judge optical fiber finally by corresponding data control fiber curvature database
Whether reasonable, if needs are adjusted if winding.Wherein, in step of taking pictures, different positions should be selected to take pictures.In order to
The accuracy requirement for meeting image recognition is generally required and is taken pictures at least three different location.Increased when necessary using secondary light source
Brightness is to obtain satisfied photo.In three-dimensional space model, it can show the true physical placement situation of optical fiber, be effectively reduced
The error rate of ordinary two dimensional model.Do not have to carry out optical fiber material object the operation such as mobile simultaneously, effectively mitigates the complexity commonly detected
Property and workload.Image recognition modeling does not have to disrupted circuit working condition and keeps away without increasing auxiliary device in optical communication line
Exempt to cause communication line work not normal because of auxiliary device failure, and test equipment is removable, it is adaptable.
Preferably, include thing steps that C1 after step c: by power optical fiber prediction instrument to where the optical fiber of winding
The environmental parameter of position is acquired.Since optical fibre winding part position is typically all dedicated storage space, optical fiber is long
Phase is in specific space environment, and influence of the environmental parameter to optical fiber should pay attention to.These influence generally comprise temperature,
Humidity, intensity of illumination etc..Furthermore the factors such as the years already spent of optical fiber should also be considered.By these data and input optical fibre together
Curvature database, available more accurate judging result.
In conclusion the beneficial effects of the present invention are: can be it is not necessary that accurately detection is electric in the case where interrupting fiber work
Power fibre-optical bending degree, and judge whether the bending degree of optical fiber increases optic communication loss, influences communication quality with this.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the power optical fiber prediction instrument of the invention based on image recognition.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the left view of Fig. 1.
Fig. 4 is the bottom view of Fig. 1.
Fig. 5 is the right view of Fig. 1.
Fig. 6 is the rearview of Fig. 1.
Fig. 7 is the optical fiber photo schematic diagram 1 of embodiment 2.
Fig. 8 is the optical fiber photo schematic diagram 2 of embodiment 2.
Fig. 9 is the optical fiber photo schematic diagram 3 of embodiment 2.
Figure 10 is optical fiber space model schematic after three-dimensional modeling in embodiment 2.
Wherein: 1 camera, 2 display screens, 3 ON/OFF switches, 4 start buttons, 5 Pause key, 6 secondary light sources, 7 storages connect
Mouthful, 8 loudspeakers, 9 volume control keys, 89 optical fiber, 99 shells.
Specific embodiment
The present invention will be further described with specific embodiment with reference to the accompanying drawing.
Embodiment 1
Embodiment 1 is a kind of power optical fiber prediction instrument based on image recognition.Shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 respectively
For six face views of this power optical fiber prediction instrument.As it can be seen that the rectangle that this power optical fiber prediction instrument shape is similar mobile phone is stood in figure
Cube is equipped with a shell 99.The front of prediction instrument is equipped with as the display screen 2 of message output module, as operation module
Start button 4 and Pause key 5.The top surface of prediction instrument is equipped with the ON/OFF switch 3 as energy supply control module.The bottom of prediction instrument
Face is equipped with memory interface 7 and loudspeaker 8.Volume control key 9 is provided on the right side of prediction instrument.The back side of prediction instrument is equipped with
As the camera 1 of image capture module, secondary light source 6 and another loudspeaker 8.Power supply and center letter are also equipped in shell
Cease processing module.Secondary light source is electrically connected to a power source.
Central information processing module is not only by image capture module, message output module, energy supply control module, operation module
Four signals connect, and three-dimensional space modeling software and 3-D image modeling are built-in in central information processing module
Algorithm, moreover it is possible to which fibre-optical bending degree database is connected by signal.Connection type include mobile data 4G signal connection and WIFI without
Line connects two ways.
In addition, being also equipped with temperature sensor, humidity sensor, optical sensor in this power optical fiber prediction instrument, respectively
Temperature data, humidity data and the intensity of illumination data of environment where optical fiber for acquiring winding.These three sensors are believed
Number connection central information processing module.
The power optical fiber prediction instrument of this example, ON/OFF switch are used to carry out switch control to the power supply of complete machine.It can be by taking the photograph
As optical fiber of the head to winding is taken pictures, if ambient brightness is insufficient, secondary light source can be opened and carry out light filling.Show that screen can
To show interactive dialog box, operating method, display test result etc. are prompted.When photograph taking finishes, so that it may by opening
Beginning key carries out relevant identification and calculation processing to image, until eventually forming result.The effect of Pause key is to need temporarily
Pausing operation when adding photo, data.Memory interface signal connects central information processing module, and interface structure meets USB
Specification.It, can be by the image of this operation, data, operation process recording, judging result in each field personnel after end of operation
It is downloaded Deng by memory interface.
The power optical fiber prediction instrument based on image recognition of this example, compact facilitate hand-held, can be in operator
It takes pictures to the optical fiber of winding each position that member can reach.Without interrupting fiber work in operating process, pole is provided for operation
Big convenience.
Embodiment 2
Embodiment 2 is the judgment method that power optical fiber curvature influences performance, is included the following steps:
A, it is taken pictures using the optical fiber 89 of power optical fiber prediction instrument as described in example 1 above to winding, to obtain image；
Image should be different at least three position, shooting produce clear photograph, as shown in Fig. 7, Fig. 8, Fig. 9；
B, by image recognition, three are carried out to the optical fiber of winding using three-dimensional space modeling software and 3-D image modeling algorithm
Dimension modeling；
C, it carries out curve fitting to each point of the optical fiber wound in three-dimensional modeling, the corresponding circumference of the tangent line of calculated curve each point
Radius, as shown in Figure 10；
C1, it is acquired by environmental parameter of the power optical fiber prediction instrument to the optical fiber position of winding；And light is obtained simultaneously
Fine years already spent；
D, the data that preceding road step obtains are compared with fibre-optical bending degree database, obtain light performance judging result.
Fibre-optical bending degree database can be in Baidu Dropbox https in this example: //pan.***.com/s/
It is obtained on 1XHPDHnljIP8JSVS7ubsKNg.
Claims (10)
1. a kind of power optical fiber prediction instrument based on image recognition, including power supply, characterized in that further include image capture module,
Message output module, energy supply control module, operation module and the central information that the signal links together handle mould
Block, described image acquisition module are camera (1), and the message output module is display screen (2), the energy supply control module
Including ON/OFF switch (3), the operation module include can to the start button (4) that center message processing module is operated and temporarily
Stop key (5)；The central information processing module three dimensional internal spatial modeling software and 3-D image modeling algorithm.
2. a kind of power optical fiber prediction instrument based on image recognition according to claim 1, characterized in that the center letter
It ceases processing module and fibre-optical bending degree database is connected by signal.
3. a kind of power optical fiber prediction instrument based on image recognition according to claim 1 or 2, characterized in that camera
Side is equipped with secondary light source (6), secondary light source electric connection of power supply.
4. a kind of power optical fiber prediction instrument based on image recognition according to claim 1 or 2, characterized in that be additionally provided with
Temperature sensor；The temperature sensor signal connects central information processing module.
5. a kind of power optical fiber prediction instrument based on image recognition according to claim 1 or 2, characterized in that be additionally provided with
Humidity sensor；The humidity sensor signal connects central information processing module.
6. a kind of power optical fiber prediction instrument based on image recognition according to claim 1 or 2, characterized in that be additionally provided with
Optical sensor；The optical sensor signal connects central information processing module.
7. a kind of power optical fiber prediction instrument based on image recognition according to claim 1 or 2, characterized in that be additionally provided with
Memory interface (7)；The memory interface signal connects central information processing module, and interface structure meets USB specification.
8. a kind of power optical fiber prediction instrument based on image recognition according to claim 1 or 2, characterized in that be additionally provided with
Loudspeaker (8)；The loudspeaker signal connects central information processing module.
9. a kind of judgment method that power optical fiber curvature influences performance, includes the following steps:
A, it is taken pictures using optical fiber (89) of the power optical fiber prediction instrument to winding, to obtain image；
B, by image recognition, the optical fiber of winding is carried out using three-dimensional space modeling software and 3-D image modeling algorithm three-dimensional
Modeling；
C, it carries out curve fitting to each point of the optical fiber wound in three-dimensional modeling, the corresponding circumference of the tangent line of calculated curve each point half
Diameter；
D, the data that preceding road step obtains are compared with fibre-optical bending degree database, obtain light performance judging result.
10. the judgment method that a kind of power optical fiber curvature according to claim 9 influences performance, further includes in step
Step C1 after C: it is acquired by environmental parameter of the power optical fiber prediction instrument to the optical fiber position of winding.
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| CN201810956150.8A CN109461202B (en) | 2018-08-21 | 2018-08-21 | Electric power optical fiber prediction instrument based on image recognition and method for judging influence of electric power optical fiber curvature on performance |
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| CN201810956150.8A CN109461202B (en) | 2018-08-21 | 2018-08-21 | Electric power optical fiber prediction instrument based on image recognition and method for judging influence of electric power optical fiber curvature on performance |
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