CN110954295A - Device and method for detecting coloring quality of optical fiber - Google Patents
Device and method for detecting coloring quality of optical fiber Download PDFInfo
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- CN110954295A CN110954295A CN201911207302.5A CN201911207302A CN110954295A CN 110954295 A CN110954295 A CN 110954295A CN 201911207302 A CN201911207302 A CN 201911207302A CN 110954295 A CN110954295 A CN 110954295A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
- G01M11/37—Testing of optical devices, constituted by fibre optics or optical waveguides in which light is projected perpendicularly to the axis of the fibre or waveguide for monitoring a section thereof
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- Optics & Photonics (AREA)
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Abstract
The invention discloses a device and a method for detecting the coloring quality of an optical fiber, and relates to the technical field of optical fiber detection. The device comprises a first detection unit, a second detection unit and an analysis control unit which are sequentially arranged, wherein the first detection unit is used for transmitting the received colored optical fiber to the second detection unit and detecting the coloring condition of the optical fiber to generate a coloring signal when the optical fiber is transmitted, the second detection unit is used for receiving the optical fiber and monitoring the length of the optical fiber to generate a length signal, and the analysis control unit is used for receiving the coloring signal and the length signal, comparing the coloring signal with standard coloring data and generating a detection graph reflecting the position of the optical fiber with abnormal coloring by combining the length signal. The device and the method for detecting the coloring quality of the optical fiber can accurately identify the optical fiber with abnormal coloring color and the corresponding position thereof, and prevent the optical fiber from flowing into the subsequent process.
Description
Technical Field
The invention relates to the technical field of optical fiber detection, in particular to a device for detecting the coloring quality of an optical fiber and a detection method thereof.
Background
Optical fibers in conventional fiber optic cable systems are identified using color codes, and as the number of optical fibers increases as they enter the subscriber's system, particularly in high count fiber optic cable systems and ribbon cable systems, identification of the optical fibers becomes increasingly important, and the optical fibers must be colored to facilitate connection and repair. Specifically, the optical fiber coloring means that the natural optical fiber is colored into various different colors by using UV curing ink, and by adopting the mode, the purpose that different optical fibers can be distinguished in the same loose tube is realized, so that the optical fiber coloring device is convenient for customer identification and fusion splicing.
In the coloring process, in addition to a high production speed, it is required that parameters for determining the quality of the colored optical fiber, which are mainly the color of the colored optical fiber, are large, without affecting the quality of the optical fiber itself. Most of the monitoring of the color of the colored optical fiber in the industry at present depends on the visual observation of operators, and due to individual differences, the operators have subjective judgment differences during observation, which can cause the condition that the color of the optical fiber cannot be quantitatively judged; meanwhile, long-time observation can cause visual fatigue of operators, firstly, the observation result is inaccurate, secondly, long-term monitoring is difficult, trouble and labor are wasted, once optical fibers with abnormal colors flow into the two procedures without being found in the coloring process, the optical fibers are difficult to find, more loss is caused to the subsequent procedures, the optical fibers finally flow into a client, the use experience is influenced, and complaint risks exist.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a device for detecting the coloring quality of an optical fiber and a detection method thereof, which can accurately identify the optical fiber with abnormal coloring color and the corresponding position thereof and avoid the optical fiber from flowing into the subsequent process.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
it includes first detecting element, second detecting element and the analysis control unit that sets gradually:
the first detection unit is used for transmitting the received colored optical fiber to the second detection unit and detecting the coloring condition of the optical fiber to generate a coloring signal when the optical fiber is transmitted;
the second detection unit is used for receiving the optical fiber transmitted by the first detection unit, monitoring the length of the optical fiber and generating a length signal;
the analysis control unit is used for receiving the coloring signal and the length signal, comparing the coloring signal with standard coloring data, and generating a detection graph reflecting the position of the optical fiber with abnormal coloring by combining the length signal.
On the basis of the above technical solution, the first detecting unit includes:
a first support frame;
three fiber stabilizing guide wheels fixedly arranged on the first support frame in parallel from left to right, wherein the three fiber stabilizing guide wheels are used for conveying the optical fibers;
the light intensity detection mechanism is arranged on the first support frame and positioned between two adjacent fiber stabilizing guide wheels, and is used for emitting light beams to the passing optical fibers and receiving reflected light to generate light intensity readings of the optical fibers, converting the light intensity readings into coloring signals and then sending the coloring signals to the analysis control unit.
On the basis of the technical scheme, the second detection unit comprises a second support frame, and the fiber stabilizing guide wheel and the traction mechanism which are arranged on the second support frame, the fiber stabilizing guide wheel is used for receiving the optical fiber transmitted by the first detection unit and continuously transmitting the optical fiber to the traction mechanism, and the traction mechanism monitors the length of the transmitted optical fiber and generates a length signal.
On the basis of the above technical solution, the traction mechanism includes:
the traction wheel is used for receiving the optical fiber transmitted by the fiber stabilizing guide wheel;
and one end of the length monitoring mechanism is connected with the main shaft of the traction wheel, the other end of the length monitoring mechanism is connected with the analysis control unit, and the length monitoring mechanism is used for monitoring the length of the optical fiber passing through the traction wheel, generating a length signal and sending the length signal to the analysis control unit.
On the basis of the above technical solution, the length monitoring mechanism includes:
the encoder is connected with a main shaft of the traction wheel and used for sequentially generating pulse signals according to the length of the transmitted optical fiber in the process of transmitting the optical fiber by the traction wheel;
and one end of the control board is connected with the encoder, the other end of the control board is connected with the analysis control unit, and the control board is used for receiving the pulse signal and converting the pulse signal into a length signal.
On the basis of the technical scheme, the device further comprises a take-up stand, the take-up stand is arranged on one side, away from the first detection unit, of the second detection unit, and the take-up stand is used for receiving the optical fiber transmitted by the traction wheel and winding the optical fiber.
On the basis of the technical scheme, the outer diameter of the fiber stabilizing guide wheel is 100mm, and the outer diameter of the traction wheel is 160 mm.
On the basis of the technical scheme, the first detection unit and the second detection unit respectively comprise an outer cover.
On the basis of the technical scheme, the generation frequency of the light intensity reading of the light intensity detection mechanism is 1250 times/second.
On the other hand, the invention also provides a detection method for detecting the coloring quality of the optical fiber, which can accurately identify the optical fiber with abnormal coloring color and the corresponding position thereof and avoid the optical fiber from flowing into the subsequent process.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
the optical fiber colored by the coloring device is received by a first detection unit, and the coloring condition of the optical fiber is detected and a coloring signal is generated while the optical fiber is continuously transmitted;
receiving the optical fiber transmitted by the first detection unit by using a second detection unit, continuously transmitting the optical fiber, monitoring the length of the transmitted optical fiber and generating a length signal;
and receiving the coloring signal and the length signal by using the analysis control unit, comparing the coloring signal with pre-stored standard coloring data of optical fibers of different types and colors, and generating a detection graph reflecting the position of the optical fiber with abnormal coloring by combining the length signal.
Compared with the prior art, the invention has the advantages that:
the invention provides a device for detecting the coloring quality of an optical fiber, which detects the coloring condition of the optical fiber through a light intensity detection mechanism and generates a coloring signal when the optical fiber is transmitted, simultaneously sequentially generates a pulse signal according to the transmitted length of the optical fiber through an encoder connected with a main shaft of a traction wheel, a control panel is used for receiving the pulse signal and converting the pulse signal into a length signal, finally an analysis control unit receives all coloring signals and length signals, compares the coloring signals with the pre-stored standard coloring data of the optical fibers with different types and colors, finally generates a detection diagram capable of reflecting the position of the optical fiber with abnormal coloring by combining the length signal, an operator further removes the optical fiber section with abnormal coloring in an optical fiber volume according to the actual condition reflected by the detection diagram, compared with the prior art that the monitoring blind area in the current optical fiber coloring production process is detected manually, the device realizes the online monitoring of the color of the optical fiber, the color consistency of the optical fiber in the whole length is ensured, the problems of inaccurate observation result, difficulty in long-term monitoring and labor waste during manual detection are solved, and the risk that the optical fiber with abnormal coloring flows into two sets of working procedures without being found in the coloring process to cause larger loss is avoided.
Drawings
FIG. 1 is a schematic view of an apparatus for inspecting the quality of the coloration of an optical fiber according to an embodiment of the present invention in use;
FIG. 2 is a schematic structural diagram of a first detecting unit of the apparatus for detecting the coloring quality of an optical fiber according to the embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a second detecting unit of the apparatus for detecting the coloring quality of an optical fiber according to the embodiment of the present invention;
fig. 4 is a diagram showing the detection of the position of an optical fiber reflecting a coloring abnormality in the apparatus for detecting the coloring quality of an optical fiber according to the embodiment of the present invention.
In the figure: the device comprises a first detection unit 1, a fiber stabilizing guide wheel 10, a light intensity detection mechanism 11, a first support frame 12, a second detection unit 2, a traction wheel 20, an encoder 21, a control panel 22, a second support frame 23, an analysis control unit 3, an optical fiber 4, a take-up stand 5 and a curing furnace 6.
Detailed Description
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Referring to fig. 1, an embodiment of the present invention provides an apparatus for detecting the quality of the coloration of an optical fiber, which, in use, which is arranged at the downstream of an optical fiber coloring device and is used for receiving an optical fiber 4 solidified by a curing oven 6, the device comprises a first detection unit 1, a second detection unit 2 and an analysis control unit 3 which are arranged in sequence, wherein the first detecting unit 1 transmits the received colored optical fiber 4 to the second detecting unit 2, and detects the coloring condition of the optical fiber 4 while transmitting the optical fiber 4 to generate a colored signal, and then the second detecting unit 2 receives the optical fiber 4 transmitted by the first detecting unit 1, and monitors the length of the optical fiber 4 and generates a length signal, and finally the analysis control unit 3 receives the coloring signal and the length signal, and comparing the coloring signal with standard coloring data, and combining the length signal to generate a detection image reflecting the position of the optical fiber 4 with abnormal coloring.
Further, referring to fig. 2, the first detecting unit 1 specifically includes a first supporting frame 12, three fiber stabilizing guide wheels 10 arranged side by side from left to right, and a light intensity detecting mechanism 11, wherein the fiber stabilizing guide wheels 10 are fixedly arranged on the first supporting frame 12, and the three fiber stabilizing guide wheels 10 are used for conveying the optical fiber 4; the light intensity detection mechanism 11 is also arranged on the first support frame 12 and located between two adjacent fiber stabilizing guide wheels 10, and the light intensity detection mechanism 11 is used for emitting light beams to the passing optical fibers 4 and receiving reflected light to generate light intensity readings of the optical fibers 4, converting the light intensity readings into coloring signals and sending the coloring signals to the analysis control unit 3. Preferably, from the viewpoint of structural design, the light intensity detection mechanism 11 is disposed between the two fiber-stabilizing guide wheels 10 at the middle and the tail ends, and the generation frequency of the light intensity reading of the light intensity detection mechanism 11 is 1250 times/second.
Further, referring to fig. 3, the second detecting unit 2 specifically includes a second supporting frame 23, a fiber stabilizing guide wheel 10 and a pulling mechanism, both of the fiber stabilizing guide wheel 10 and the pulling mechanism are fixed on the second supporting frame 23, the fiber stabilizing guide wheel 10 is configured to receive the optical fiber 4 transmitted by the fiber stabilizing guide wheel 10 located at the tail end of the first detecting unit 1, and continuously transmit the optical fiber 4 to the pulling mechanism, and the pulling mechanism monitors the length of the transmitted optical fiber 4 and generates a length signal. Specifically, drive mechanism includes traction wheel 20 and length monitoring mechanism, and traction wheel 20 mainly used receives the optic fibre 4 of locating the steady fine guide pulley 10 conveying on the second detecting element 2, and the one end of length monitoring mechanism links to each other with the main shaft of traction wheel 20, and the other end links to each other with analysis and control unit 3, and length monitoring mechanism is used for monitoring and generating the length signal to the length of the optic fibre 4 through traction wheel 20 to with length signal transmission to analysis and control unit 3.
Further, the length monitoring mechanism comprises an encoder 21 and a control board 22, the encoder 21 is connected with a main shaft of the traction wheel 20, the encoder 21 is used for sequentially generating pulse signals according to the length of the transmitted optical fibers in the process that the traction wheel 20 transmits the optical fibers 4, one end of the control board 22 is connected with the encoder 21, the other end of the control board 22 is connected with the analysis control unit 3, and the control board 22 is used for receiving the pulse signals and converting the pulse signals into length signals.
The optical fiber detection software prestores standard coloring data of commonly used optical fibers of different types and colors in advance, compares about 500 coloring signals detected every 10 meters with the prestored standard coloring data in the detection process of the optical fiber 4, and makes a detection graph by taking the difference times m as a vertical coordinate and the optical fiber length L as a horizontal coordinate, as shown in fig. 4. The operator can visually find the light with abnormal coloring by observing the detection diagramThe position of the fiber segment and the degree of abnormal coloring, and a difference time threshold m can be set in the optical fiber detection software0When the real-time detected coloring signal actual difference times m is more than or equal to m0In time, the system can automatically alarm and record the accurate position L of the difference point1And an operator can select to stop the machine according to the alarm record or to reverse the disc to a corresponding position after production to confirm the color of the optical fiber 4, and then the operator can perform cutting or re-dyeing operation to ensure that the color of the optical fiber 4 is normal.
Further, as shown in fig. 1, the device further comprises a take-up stand 5, the take-up stand 5 is arranged on one side, away from the first detection unit 1, of the second detection unit 2, and the take-up stand 5 is used for receiving the optical fiber 4 transmitted by the traction wheel 20 and winding the optical fiber 4, so that an operator can conveniently stop the machine according to an alarm record or rewind the optical fiber after production. In addition, the outer diameter of the fiber stabilizing guide wheel 10 is 100mm, the outer diameter of the traction wheel 20 is 160mm, and transparent outer covers are arranged on the first detection unit 1 and the second detection unit 2 and used for protecting components on the first detection unit 1 and the second detection unit 2, meanwhile, dust is avoided, and the fiber stabilizing guide wheel is convenient to manage.
The invention also provides a detection method for detecting the coloring quality of the optical fiber, which comprises the following steps:
the method comprises the steps of firstly utilizing a first detection unit 1 to receive an optical fiber 4 colored by a coloring device, simultaneously detecting the coloring condition of the optical fiber 4 and generating a coloring signal in the process of continuously transmitting the optical fiber 4, then utilizing a second detection unit 2 to receive the optical fiber 4 transmitted by the first detection unit 1 and continuously transmit the optical fiber 4, monitoring the length of the transmitted optical fiber 4 and generating a length signal, finally utilizing an analysis control unit 3 to receive the coloring signal and the length signal, comparing the coloring signal with pre-stored standard coloring data of optical fibers of different types and colors, and combining the length signal to generate a detection graph reflecting the position of the optical fiber 4 with abnormal coloring.
Specifically, after receiving the optical fiber 4 cured by the curing oven 6, the optical fiber 4 sequentially passes through three fiber stabilizing guide wheels 10 fixedly arranged on the first support frame 12 in parallel from left to right, in the process, a light intensity detection mechanism 11 arranged between the two fiber stabilizing guide wheels 10 at the middle and the tail end is used for emitting a light beam to the passing optical fiber 4 and receiving reflected light to generate a light intensity reading of the optical fiber 4, and the light intensity reading is converted into a coloring signal and then sent to the analysis control unit 3. The optical fiber 4 transmitted by the fiber stabilizing guide wheel 10 at the tail end of the first detection unit 1 is received by the fiber stabilizing guide wheel 10 on the second detection unit 2, the optical fiber 4 is continuously transmitted to the traction wheel 20, and in the process of transmitting the optical fiber 4, the traction wheel 20 generates a pulse signal according to the transmitted length of the optical fiber by using an encoder 21 connected with a main shaft of the traction wheel 20, converts the received pulse signal into a length signal by using a control board 22, and then transmits the length signal to the analysis control unit 3.
Optical fiber detection software specially used for analyzing the position of the optical fiber 4 with abnormal coloring is arranged in the analysis control unit 3, standard coloring data of commonly used optical fibers of different types and colors are prestored in the optical fiber detection software, in the detection process of the optical fiber 4, about 500 coloring signals detected every 10 meters are compared with the prestored standard coloring data, a detection graph is made by taking the difference times m as a vertical coordinate and the optical fiber length L as a horizontal coordinate, and as shown in fig. 4, an operator can visually find the position of the optical fiber section with abnormal coloring and the degree of the abnormal coloring by observing the detection graph. In addition, a difference frequency threshold value m is set in the optical fiber detection software0When the real-time detected coloring signal actual difference times m is more than or equal to m0In time, the system automatically alarms and records the accurate position L of the difference point1And the operator selects to stop the machine according to the alarm record or to reverse the disc to the corresponding position after the production to confirm the color of the optical fiber 4, and then performs the cutting or re-dyeing operation to ensure the normal color of the optical fiber 4.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by anyone with the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, are within the protection scope.
Claims (10)
1. A device for detecting the coloring quality of an optical fiber is characterized by comprising a first detection unit (1), a second detection unit (2) and an analysis control unit (3) which are arranged in sequence:
the first detection unit (1) is used for transmitting the received colored optical fiber (4) to the second detection unit (2), and detecting the coloring condition of the optical fiber (4) when the optical fiber (4) is transmitted so as to generate a coloring signal;
the second detection unit (2) is used for receiving the optical fiber (4) transmitted by the first detection unit (1), monitoring the length of the optical fiber (4) and generating a length signal;
the analysis control unit (3) is used for receiving the coloring signals and the length signals, comparing the coloring signals with standard coloring data, and generating a detection graph reflecting the position of the optical fiber (4) with abnormal coloring by combining the length signals.
2. An apparatus for testing the quality of the coloration of optical fibers according to claim 1, wherein said first testing unit (1) comprises:
a first support frame (12);
the three fiber stabilizing guide wheels (10) are fixedly arranged on the first support frame (12) in parallel from left to right, and the three fiber stabilizing guide wheels (10) are used for conveying the optical fiber (4);
the light intensity detection mechanism (11) is arranged on the first support frame (12) and located between two adjacent fiber stabilizing guide wheels (10), and the light intensity detection mechanism (11) is used for emitting light beams to the passing optical fibers (4) and receiving reflected light to generate light intensity readings of the optical fibers (4), converting the light intensity readings into coloring signals and sending the coloring signals to the analysis control unit (3).
3. The apparatus for inspecting the quality of the coloration of an optical fiber according to claim 2, wherein: the second detection unit (2) comprises a second support frame (23), and a fiber stabilizing guide wheel (10) and a traction mechanism which are arranged on the second support frame (23), wherein the fiber stabilizing guide wheel (10) is used for receiving the optical fiber (4) transmitted by the first detection unit (1) and continuously transmitting the optical fiber (4) to the traction mechanism, and the traction mechanism monitors the length of the transmitted optical fiber (4) and generates a length signal.
4. The apparatus for testing the quality of the coloration of the optical fiber according to claim 3, wherein said drawing mechanism comprises:
a traction wheel (20) for receiving the optical fiber (4) transmitted by the fiber stabilizing guide wheel (10);
and one end of the length monitoring mechanism is connected with the main shaft of the traction wheel (20), the other end of the length monitoring mechanism is connected with the analysis control unit (3), and the length monitoring mechanism is used for monitoring the length of the optical fiber (4) passing through the traction wheel (20) and generating a length signal and sending the length signal to the analysis control unit (3).
5. The apparatus for testing the quality of the coloration of the optical fiber according to claim 4, wherein said length monitoring mechanism comprises:
the encoder (21) is connected with a main shaft of the traction wheel (20), and the encoder (21) is used for sequentially generating pulse signals according to the transmitted optical fiber length in the process that the traction wheel (20) transmits the optical fiber (4);
and one end of the control board (22) is connected with the encoder (21), the other end of the control board is connected with the analysis control unit (3), and the control board (22) is used for receiving the pulse signal and converting the pulse signal into a length signal.
6. The apparatus for inspecting the quality of the coloration of an optical fiber according to claim 4, wherein: the device further comprises a take-up frame (5), wherein the take-up frame (5) is arranged on one side, far away from the first detection unit (1), of the second detection unit (2), and the take-up frame (5) is used for receiving the optical fiber (4) transmitted by the traction wheel (20) and winding the optical fiber (4).
7. The apparatus for inspecting the quality of the coloration of an optical fiber according to claim 4, wherein: the outer diameter of the fiber stabilizing guide wheel (10) is 100mm, and the outer diameter of the traction wheel (20) is 160 mm.
8. The apparatus for inspecting the quality of the coloration of an optical fiber according to claim 1, wherein: the first detection unit (1) and the second detection unit (2) both comprise an outer cover.
9. The apparatus for inspecting the quality of the coloration of an optical fiber according to claim 2, wherein: the light intensity readings of the light intensity detection means (11) are generated at a frequency of 1250 times/sec.
10. A method of testing an apparatus for testing the quality of the coloration of an optical fiber according to claim 1, wherein the method comprises the steps of:
receiving the optical fiber (4) colored by the coloring device by using a first detection unit (1), and simultaneously detecting the coloring condition of the optical fiber (4) and generating a coloring signal in the process of continuously transmitting the optical fiber (4);
receiving the optical fiber (4) transmitted by the first detection unit (1) by using a second detection unit (2), continuously transmitting the optical fiber (4), monitoring the length of the transmitted optical fiber (4) and generating a length signal;
and receiving the coloring signals and the length signals by using the analysis control unit (3), comparing the coloring signals with pre-stored standard coloring data of optical fibers of different types and colors, and generating a detection graph reflecting the position of the optical fiber (4) with abnormal coloring by combining the length signals.
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