Optical fiber repairing method, device and equipment of FTTR and medium

Abstract

The invention provides an FTTR optical fiber repairing method, device and equipment and a medium, relates to the technical field of optical fiber repairing, and is used for solving the problem that the efficiency of manually repairing the color of an optical fiber is relatively low. The method comprises the following steps: when a bare optical fiber passes through first coloring and curing equipment, controlling the first coloring and curing equipment to color and cure the bare optical fiber to obtain a colored optical fiber; when a part of the colored optical fiber passes through the first detection equipment, controlling the first detection equipment to collect an image of the part of the optical fiber; obtaining a color detection result of the partial optical fiber according to the image of the partial optical fiber; if the color detection result of the part of optical fibers is unqualified, determining the position range of the part of optical fibers; and when the colored optical fiber passes through the second coloring and curing equipment, controlling the second coloring and curing equipment to re-color and cure part of the optical fiber according to the position range to obtain a repaired optical fiber. According to the method, the optical fiber at the specified position is recolored according to the abnormal position range of the optical fiber, and automatic repairing of the optical fiber is achieved.

Description

Technical Field

[0001] The present application relates to the field of optical fiber repair technology, and provides an optical fiber repair method, device, equipment and medium for FTTR. Background Art

[0002] Fiber to the Room (FTTR) technology extends optical fiber to each room of the user, providing gigabit broadband coverage for the entire house. It is one of the technical directions for future gigabit home broadband upgrades.

[0003] In the FTTR wiring process, optical fibers with different core counts need to be distinguished by color, so the color of the optical fiber must be accurate, bright, and easy to identify. Whether in a good optical fiber environment or a relatively dim wiring environment, the staff can quickly and accurately identify each optical fiber, which is very important for the installation, connection, and maintenance of optical fibers. For optical cables with large core counts or ribbon-shaped optical cable products, the identification of optical fibers is very important. In order to facilitate connection and maintenance, the optical fibers must be colored and identified by color codes.

[0004] However, the normal coloring process of optical fiber is relatively fast, which may cause the middle part of the optical fiber to be not colored properly. It is impossible to print a mark on the optical fiber, and the abnormal position cannot be confirmed. The optical fiber color can only be repaired manually, and the repair efficiency is low. Summary of the invention

[0005] The present application provides a method, device, equipment and medium for repairing optical fiber of FTTR, which are used to solve the problem of low efficiency of manual repair of optical fiber color.

[0006] In a first aspect, a method for repairing an optical fiber of an FTTR is provided, which is applied to a controller of an optical fiber coloring system, wherein the optical fiber coloring system further includes a first coloring and curing device, a first detection device, and a second coloring and curing device; the method includes: When the bare optical fiber passes through the first coloring and curing device, controlling the first coloring and curing device to color and cure the bare optical fiber to obtain a colored optical fiber; When part of the colored optical fiber passes through the first detection device, controlling the first detection device to collect images of the part of the optical fiber; Obtaining a color detection result of the portion of optical fiber according to the image of the portion of optical fiber; If the color detection result of the part of optical fibers is unqualified, determining the position range of the part of optical fibers; When the colored optical fiber passes through the second coloring and curing device, the second coloring and curing device is controlled to re-color and cure the part of the optical fiber according to the position range to obtain a repaired optical fiber; the repaired optical fiber is applied to the FTTR network.

[0007] Optionally, the first detection device includes a light source and a camera; when part of the colored optical fiber passes through the first detection device, controlling the first detection device to collect images of the part of the optical fiber includes: When part of the colored optical fiber passes through the first detection device, adjusting the brightness of the light source according to the color of the colored optical fiber; Under the illumination of the light source, the camera is controlled to collect an image of the portion of the optical fiber.

[0008] Optionally, obtaining a color detection result of the portion of optical fiber according to the image of the portion of optical fiber includes: extracting an image of the optical fiber region from the image of the portion of the optical fiber; In a preset color space, according to the image of the optical fiber area, calculate the color unevenness and color saturation of the portion of optical fiber, and the color difference between the actual color of the portion of optical fiber and the standard reference color; A color detection result of the portion of optical fibers is obtained according to the color unevenness, the color saturation and the color difference.

[0009] Optionally, the optical fiber coloring system further includes a meter wheel, which is arranged between the first coloring and curing device and the first detection device; if the color detection result of the part of the optical fiber is unqualified, determining the position range of the part of the optical fiber includes: If the color detection result of the part of the optical fibers is unqualified, obtaining the number of rotations of the meter wheel; Obtaining a moving distance of the colored optical fiber according to the number of rotations and the circumference of each rotation of the meter wheel; The position range of the portion of optical fiber is determined according to the moving distance, a first distance between the meter wheel and the entrance of the first detection device, and a second distance between the entrance and the exit of the first detection device.

[0010] Optionally, if the color detection result of the part of the optical fibers is unqualified, obtaining the number of rotations of the meter wheel includes: If the color detection result of the part of the optical fibers is unqualified, obtaining the number of pulse signals emitted by the meter wheel; The number of pulse signals and the number of pulses per revolution are multiplied to obtain the number of revolutions of the meter wheel.

[0011] Optionally, the optical fiber coloring system further includes a second detection module; when the colored optical fiber passes through the second coloring and curing device, according to the position range, the second coloring and curing device is controlled to re-color and cure the portion of the optical fiber to obtain the repaired optical fiber, and the method further includes: When the repaired optical fiber passes through the second detection module, controlling the second detection module to collect an image of the repaired optical fiber, and obtaining a color detection result and a defect detection result of the repaired optical fiber according to the image of the repaired optical fiber; A test report is generated based on the color test results and defect test results of the repaired optical fiber.

[0012] Optionally, obtaining a color detection result and a defect detection result of the repaired optical fiber according to the image of the repaired optical fiber includes: The image of the repaired optical fiber is input into a trained defect detection model to obtain a defect detection result of the repaired optical fiber; the trained defect detection model is obtained based on a fiber sample set; the fiber sample set includes multiple fiber images and a label for each fiber image; the label is used to indicate the defect position and defect type of the optical fiber in each fiber image.

[0013] In a second aspect, an optical fiber repair device for FTTR is provided, which is arranged in a controller of an optical fiber coloring system, wherein the optical fiber coloring system further includes a first coloring and curing device, a first detection device, and a second coloring and curing device; the device includes: a control module, configured to control the first coloring and curing device to color and cure the bare optical fiber to obtain a colored optical fiber when the bare optical fiber passes through the first coloring and curing device; and to control the first detection device to collect images of a portion of the colored optical fiber when a portion of the colored optical fiber passes through the first detection device; A detection module, used for obtaining a color detection result of the portion of optical fiber according to the image of the portion of optical fiber; A position determination module, used for determining the position range of the portion of optical fibers if the color detection result of the portion of optical fibers is unqualified; The control module is further used to control the second coloring and curing device to re-color and cure the part of the optical fiber according to the position range when the colored optical fiber passes through the second coloring and curing device to obtain a repaired optical fiber; the repaired optical fiber is applied to the FTTR network.

[0014] In a third aspect, the present application provides a computer device, comprising a memory and a processor, wherein the memory stores a computer program, and the processor executes the computer program to implement the optical fiber repair method for FTTR described in the first aspect.

[0015] In a fourth aspect, the present application provides a computer-readable storage medium having a computer program stored thereon, and a processor executes the computer program to implement the optical fiber repair method for FTTR described in the first aspect.

[0016] Compared with the prior art, the present invention has the following beneficial effects: The present application provides an optical fiber repair method for FTTR, which is applied to a controller of an optical fiber coloring system, wherein the optical fiber coloring system further comprises a first coloring and curing device, a first detection device, and a second coloring and curing device; the method comprises: when a bare optical fiber passes through the first coloring and curing device, controlling the first coloring and curing device to color and cure the bare optical fiber to obtain a colored optical fiber; when part of the colored optical fiber passes through the first detection device, controlling the first detection device to collect images of the part of the optical fiber; according to the images of the part of the optical fiber, obtaining color detection results of the part of the optical fiber; if the color detection results of the part of the optical fiber are unqualified, determining the position range of the part of the optical fiber; when the colored optical fiber passes through the second coloring and curing device, controlling the second coloring and curing device to re-color and cure the part of the optical fiber according to the position range to obtain a repaired optical fiber.

[0017] In the present application, when the color detection result of the optical fiber is unqualified, the position range of the unqualified optical fiber is automatically determined, and then the unqualified optical fiber in the specified position range is re-colored and cured through the second coloring and curing equipment, so as to deal with the problem of abnormal optical fiber coloring in time, realize automatic repair of optical fiber color, reduce the time of abnormal rework, and improve the repair efficiency and stability of optical fiber quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the related technologies, the drawings required for use in the embodiments or the related technical descriptions are briefly introduced below. Obviously, the drawings described below are only the embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying any creative work.

[0019] Figure 1 A schematic diagram of an application scenario provided for an embodiment of the present application; Figure 2 A schematic diagram of a process for repairing an optical fiber of an FTTR provided in an embodiment of the present application; Figure 3 A schematic structural diagram of an optical fiber repair device for FTTR provided in an embodiment of the present application. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the present application clearer, the technical scheme in the embodiment of the present application will be clearly and completely described below in conjunction with the drawings in the embodiment of the present application. Obviously, the described embodiment is only a part of the embodiment of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present application. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other arbitrarily. In addition, although the logical order is shown in the flow chart, in some cases, the steps shown or described can be performed in an order different from that here.

[0021] In order to solve the problem of low efficiency of manual repair of optical fiber coloring, the embodiment of the present application provides a method for repairing optical fiber of FTTR, and the repaired optical fiber can be used in FTTR network. The following is a brief introduction to the application scenarios to which the technical solution of the embodiment of the present application can be applied. It should be noted that the application scenarios introduced below are only used to illustrate the embodiment of the present application and are not limited. In the specific implementation process, the technical solution provided by the embodiment of the present application can be flexibly applied according to actual needs.

[0022] Please refer to Figure 1 , is a schematic diagram of an application scenario provided by an embodiment of the present application, the optical fiber coloring system includes a controller, a first coloring and curing device, a meter wheel, a first detection device, a second coloring and curing device, and a second detection device. The controller is used to control the start and stop of other devices.

[0023] The first coloring and curing device and the second coloring and curing device both include a coating device and a curing furnace. The coating device is used to color the bare optical fiber. The coating device is composed of an ink storage tank, an ink delivery pipe, an air pressure regulating valve, an optical fiber clamping device, a coating module, a constant temperature heating device, a temperature measuring device, etc. Coating mold specifications: inlet mold (0.260), outlet mold (0.260). The structural design of the coating device is pressure coating. The pressure output by the air pressure regulating valve (using high pressure 0.2~0.5MPa) squeezes the ink in the ink storage tank through the delivery pipe into the coating mold. The optical fiber begins to contact with the ink. After passing through the coloring mold, the ink forms a uniform coating film on the optical fiber. The constant temperature heating device is used to heat the ink at a constant temperature, which can make the ink have good flow properties, which is more conducive to coloring.

[0024] The curing furnace is used to cure the bare optical fiber with ink coating. The curing furnace is composed of a furnace body, a reflector, a high-pressure mercury lamp, a quartz glass tube, an exhaust hood, etc. The curing furnace is an open-and-close structure, which can facilitate the disassembly and replacement of the quartz tube and the high-pressure mercury lamp. The bare optical fiber with ink coating enters the curing furnace and is cured under the irradiation of ultraviolet light. In order to obtain a better degree of curing, nitrogen protection is required during the operation of the curing furnace.

[0025] In a possible embodiment, the optical fiber coloring system includes an optical fiber pay-off component, which is a walking cantilever shaft structure, and an AC servo motor is directly connected to a ball screw to drive the pay-off reel to rotate, so that the optical fiber reel shaft rotates to realize active pay-off of the optical fiber. The clamp adopts a special closed pneumatic clamping device to ensure smooth, safe and reliable pay-off.

[0026] In a possible embodiment, the optical fiber coloring system includes a traction device, which is directly driven by an AC servo motor to drive a guide wheel (traction wheel), and the purpose of pulling the optical fiber is achieved through the friction between the flat belt and the guide wheel (traction wheel), so that after the optical fiber is paid out through the pay-off drum, it passes through the first coloring and curing device, the meter wheel, the first detection device, the second coloring and curing device, the second detection device in sequence along each guide wheel, and finally is taken up by the take-up drum.

[0027] In a possible embodiment, the optical fiber coloring system further includes a pay-off and pay-off tension control device, which adopts a dancer structure, and the dancer is equipped with an analog proximity switch, which functions to detect the pay-off and pay-off tension of the optical fiber in real time and feed back an adjustment signal. The optical fiber tension can be adjusted by adjusting the damper cylinder through a precision pressure reducing valve.

[0028] In a possible embodiment, the optical fiber coloring system also includes an anti-static device, which is arranged before the first coloring and curing equipment. Before coloring and before winding, the anti-static device uses an air source type anti-static eliminator to eliminate static electricity and dust on the surface of the optical fiber.

[0029] In a possible embodiment, the main parameters of the optical fiber coloring system are set as follows: The coloring speed is 2400m / min, the take-up speed is 2500m / min, and the coating thickness is , the wiring pitch is 0.05±0.01mm, the power supply is 20Kw, and the compressed air pressure is 0.5Mpa.

[0030] Combination Figure 2 The present application also provides an optical fiber repair method applicable to the above FTTR, wherein the method steps defined in the process related to the optical fiber repair method of the FTTR can be implemented by a controller.

[0031] The following will Figure 2 The specific process shown is explained in detail.

[0032] S201. When the bare optical fiber passes through a first coloring and curing device, the first coloring and curing device is controlled to color and cure the bare optical fiber to obtain a colored optical fiber.

[0033] In a specific implementation process, the first coloring and curing equipment includes a coating device and a curing furnace. The bare optical fiber is colored by the coating device, and the optical fiber with the ink coating is cured by the curing furnace to obtain a colored optical fiber.

[0034] S202: When part of the colored optical fiber passes through the first detection device, control the first detection device to collect images of the part of the optical fiber.

[0035] In the specific implementation process, the first detection device includes a light source and a camera. The light source includes a ring light source and a backlight source, wherein the ring light source is arranged in a ring-shaped distribution around the optical fiber to provide multi-angle lighting, ensuring that the color, texture and other details of the optical fiber surface can be clearly illuminated. The optical fiber of the backlight source is illuminated from the back of the optical fiber, and its main function is to form a backlight effect. When the optical fiber penetrates the optical fiber from the back, the internal structure of the optical fiber can be clearly displayed, such as the core of the optical fiber, the boundary of the cladding, the propagation path, impurities, bubbles, and internal defects of the discontinuity of the core, which can be presented in the form of a silhouette.

[0036] The camera uses a high-resolution industrial camera that can capture tiny defects on the surface of the optical fiber. The camera lens uses a macro lens, and its focal length and working distance are optimized to ensure that the details of the optical fiber can be clearly photographed. When part of the colored optical fiber passes through the detection area of ​​the first detection device, the camera collects images of part of the optical fiber at a preset frequency (e.g., 50 frames / second).

[0037] In a possible embodiment, when part of the colored optical fiber passes through the first detection device, the brightness of the light source is adjusted according to the color of the colored optical fiber; and under the illumination of the light source, the camera is controlled to capture images of the part of the optical fiber.

[0038] In a specific implementation process, the controller can determine the color of the colored optical fiber according to the color of the ink used by the first coloring and curing device to color the bare optical fiber, and adjust the brightness of the light source according to the color of the colored optical fiber to adapt to different detection scenarios. An example is given below.

[0039] 1. The ink is white and the colored optical fiber is white optical fiber.

[0040] When detecting tiny defects on the surface of white optical fiber, such as dust particles or slight scratches, due to the high reflectivity of white to light, if the light source brightness is too high, the reflected light may be too strong, covering up the details of the defect. At this time, the brightness of the ring light source should be appropriately reduced. The brightness of the ring light source can be set between 30%-50% so that the intensity of the reflected light is moderate and the condition of the outer surface of the optical fiber can be clearly observed. At the same time, for the backlight source, if you want to observe the internal structure of the white optical fiber, since the white optical fiber itself has good light transmittance, the backlight brightness can be appropriately increased to 60%-80% to better display the internal structure such as the core and cladding boundary.

[0041] 2. The ink is black and the colored optical fiber is black optical fiber.

[0042] Black has a strong ability to absorb light. When inspecting the outer surface of black optical fiber, in order to make the surface details clearly visible, a higher brightness of the ring light source is required. Generally, the brightness can be adjusted to 70%-90%. Because only bright enough light can make the black surface produce enough reflected light to make scratches, bumps and other details appear. When using a backlight to inspect the internal structure, since black absorbs more optical fiber, even if the backlight brightness is high, the light transmission effect may not be as good as white optical fiber. At this time, the backlight brightness can be adjusted to about 70%, and combined with high-resolution detection equipment to better observe the internal situation.

[0043] 3. The ink is red and the colored optical fiber is red optical fiber.

[0044] When inspecting the appearance of red optical fiber, the brightness of the ring light source can be set at 50%-70% because the absorption and reflection characteristics of red light are different from those of white and black. This brightness range can balance the intensity of the reflected light on the surface of the red optical fiber, so that the details of the surface can be clearly presented. For backlight inspection of internal structure, due to the light transmittance and color interference of red optical fiber, the brightness of the backlight source can be adjusted to about 50%-60%, focusing on observing the effect of red on the light path when light propagates inside the optical fiber, so as to determine whether the internal quality of the optical fiber meets the requirements.

[0045] Considering that different colored optical fibers may reflect or transmit different light intensities under different lighting conditions, if the brightness of the light source is too strong, the surface of some optical fibers may be overexposed and details may be lost. If the brightness is too low, the image may be dim and it may be difficult to capture clear features. In the embodiment of the present application, by adjusting the brightness of the light source, it is possible to ensure that optical fibers of different colors have the best lighting conditions when the camera captures the image, thereby improving the contrast and clarity of the image, reducing the loss of optical fiber surface details, and facilitating subsequent analysis and detection. It can also avoid unnecessary excessive lighting, which not only helps to extend the service life of the light source, but also saves energy.

[0046] S203: Obtain color detection results of the partial optical fibers according to the images of the partial optical fibers.

[0047] In a possible embodiment, an image of an optical fiber region is extracted from an image of a portion of the optical fiber; in a preset color space, based on the image of the optical fiber region, the color unevenness and color saturation of the portion of the optical fiber, and the color difference between the actual color of the portion of the optical fiber and the standard reference color are calculated; and based on the color unevenness, color saturation and color difference, a color detection result of the portion of the optical fiber is obtained.

[0048] In the specific implementation process, the image of part of the optical fiber includes the optical fiber area and the background area. First, the image of part of the optical fiber is preprocessed by cropping, denoising, scaling, etc. to obtain the image of the optical fiber area. Then the image of the optical fiber area is converted into RGB (red, green, blue) space or HSV (hue, saturation, brightness) space, and the RGB value difference between each pixel in the image of the optical fiber area and its adjacent pixels (such as up, down, left, and right) is calculated, usually using the Euclidean distance, and the mean of the color difference of all pixels is calculated to obtain the color unevenness of part of the optical fiber. The smaller the color unevenness, the more uniform the color of the optical fiber, and the larger the color unevenness, the more uneven the color of the optical fiber. The controller can convert the image of part of the optical fiber from the RGB space to the HSV space, calculate the average value of the saturation channel of all pixels in the image of the optical fiber area, and obtain the color saturation of part of the optical fiber. The higher the color saturation, the brighter the color of the optical fiber.

[0049] The controller is pre-stored with standard coloring data of optical fibers of different types and colors. The ink color used by the first coloring and curing device to color the bare optical fiber can be used as the standard reference color, and the data of the standard reference color (such as RGB value) can be obtained from the standard coloring data of the optical fiber. In the RGB space, the straight-line distance (Euclidean distance) between the color of part of the optical fiber and the standard reference color is calculated, and the straight-line distance is used as the color difference.

[0050] Furthermore, if the color unevenness is less than or equal to the preset uniformity, the color saturation is greater than or equal to the preset saturation, and the color difference is less than or equal to the preset threshold, the color detection result of some optical fibers is qualified; if the color unevenness is greater than the preset uniformity, or the color saturation is less than the preset saturation, or the color difference is greater than the preset threshold, the color detection result of some optical fibers is unqualified.

[0051] In the embodiment of the present application, the deviation of the optical fiber color from the standard color can be accurately identified, avoiding errors caused by visual fatigue or subjective judgment in manual inspection. By combining multiple aspects such as color unevenness, color saturation and color difference, the color quality of the optical fiber can be more comprehensively detected to ensure that the optical fiber color meets the standard requirements.

[0052] S204: If the color detection results of some optical fibers are unqualified, determine the position range of some optical fibers.

[0053] In a possible embodiment, the optical fiber coloring system further includes a meter wheel, which is disposed between the first coloring and curing device and the first detection device. If the color detection result of some optical fibers is unqualified, the number of rotations of the meter wheel is obtained; the moving distance of the colored optical fiber is obtained according to the number of rotations and the circumference of each rotation of the meter wheel; the position range of some optical fibers is determined according to the moving distance, the first distance between the meter wheel and the entrance of the first detection device, and the second distance between the entrance and the exit of the first detection device.

[0054] In a specific implementation process, since the circumference of the meter wheel per rotation is fixed, the moving distance of the colored optical fiber can be obtained by multiplying the number of rotations of the meter wheel by the circumference of the meter wheel per rotation. Since the first distance between the meter wheel and the entrance of the first detection device is fixed, and the second distance between the entrance and the exit of the first detection device is fixed, the minimum value of the position range of the partial optical fiber is obtained by subtracting the first distance and the second distance from the moving distance, and the maximum value of the position range of the partial optical fiber is obtained by subtracting the first distance from the moving distance of the colored optical fiber.

[0055] For example, the moving distance of the colored optical fiber is L, the first distance is L1, and the second distance is L2, then the position range of the partial optical fiber is (L-L1-L2, L-L1).

[0056] In the embodiment of the present application, when the color detection results of some optical fibers are unqualified, the position of the unqualified optical fibers can be accurately determined by using the number of revolutions of the meter wheel and the related distance data. This helps production line personnel to identify the problem in a timely manner and quickly locate the specific location range of the unqualified optical fibers, avoiding wasting a lot of time on large-scale inspections.

[0057] In a possible embodiment, if the color detection results of some optical fibers are unqualified, the number of pulse signals emitted by the meter wheel is obtained; the number of rotations of the meter wheel is obtained according to the number of pulse signals and the fixed number of pulses emitted per rotation of the meter wheel.

[0058] In the specific implementation process, when the meter wheel rotates, the photoelectric encoder inside it will generate a pulse signal. The number of pulse signals is proportional to the rotation angle of the meter wheel. The number of pulses emitted per rotation of the meter wheel is fixed. The number of rotations of the meter wheel can be obtained by dividing the total number of pulse signals by the fixed number of pulses emitted per rotation of the meter wheel.

[0059] In the embodiment of the present application, the number of revolutions of the meter wheel can be accurately determined by the number of pulses, which helps to accurately determine the specific location range of the unqualified optical fiber later.

[0060] S205. When the colored optical fiber passes through the second coloring and curing device, the second coloring and curing device is controlled to re-color and cure part of the optical fiber according to the position range to obtain a repaired optical fiber.

[0061] In a specific implementation process, when the colored optical fiber passes through the second coloring and curing device, if the color detection result of some optical fibers in the colored optical fiber is qualified, the controller can control the coating device of the second coloring and curing device to re-color the part of the optical fiber according to the position range, and control the curing furnace of the second coloring and curing device to re-cure the re-colored optical fiber to obtain a repaired optical fiber, and the repaired optical fiber can be subsequently applied to the FTTR network. If the color detection result of some optical fibers in the colored optical fiber is qualified, the controller does not start the coating device and the curing furnace of the second coloring and curing device, and some optical fibers can pass through the second coloring and curing device normally.

[0062] For example, the controller determines that the position range of the unqualified part of the optical fiber is 50 meters to 51 meters, and when the colored optical fiber passes through the second coloring and curing device, the coloring rework operation is performed at the position of 50 meters to 51 meters.

[0063] In a possible embodiment, when the colored optical fiber passes through the second coloring and curing device, according to the position range, the second coloring and curing device is controlled to re-color and cure part of the optical fiber to obtain the repaired optical fiber, and the method further includes: When the repaired optical fiber passes through the second detection module, the second detection module is controlled to collect an image of the repaired optical fiber, and a color detection result and a defect detection result of the repaired optical fiber are obtained based on the image of the repaired optical fiber; a detection report is generated based on the color detection result and the defect detection result of the repaired optical fiber.

[0064] In the specific implementation process, the second detection module can perform color detection based on the image of the repaired optical fiber to obtain the color detection result of the repaired optical fiber. The specific color detection process is the same as the processing process of the first detection module, which will not be repeated here. Furthermore, the second detection module can also perform defect detection based on the image of the repaired optical fiber to obtain the defect detection result of the repaired optical fiber, and finally generate a detailed test report based on the color detection result and defect detection result of the repaired optical fiber. The report content includes the basic information of the optical fiber (including manufacturer name, specification model, length, diameter, color), color detection results, and defect detection results (including defect list). The test report can be output in PDF and Excel format for user storage and reference.

[0065] Considering that the recolored and cured optical fiber is still unqualified due to low efficiency, in the embodiment of the present application, the recolored optical fiber is color-checked again, and at the same time, the optical fiber image is used for defect detection, so as to timely find the color and defect problems of the optical fiber, generate a test report, avoid it from entering the next production stage or delivery, and reduce quality risks. The staff can perform secondary repairs based on the test report to improve the accuracy and efficiency of the optical fiber repair work, and finally use the successfully repaired optical fiber for the FTTR network.

[0066] In a possible embodiment, an image of a repaired optical fiber is input into a trained defect detection model to obtain a defect detection result of the repaired optical fiber; the trained defect detection model is obtained by training based on an optical fiber sample set; the optical fiber sample set includes multiple optical fiber images and a label for each optical fiber image; the label is used to indicate the defect position and defect type of the optical fiber in each optical fiber image.

[0067] In the specific implementation process, the defect detection model can be a convolutional neural network (CNN), which collects a large number of defective and non-defective optical fiber images in advance as optical fiber sample sets, and annotates the defect position and defect type of the optical fiber in each optical fiber image. The trained defect detection model is obtained based on the optical fiber sample set training, which can automatically identify defects such as scratches, bubbles, impurities, etc. on the optical fiber surface.

[0068] In summary, since it is impossible to mark the number of meters on the optical fiber when it is colored, if an abnormality occurs, it is impossible to find the problem point in time. The embodiment of the present application provides a method for repairing optical fiber of FTTR, which can promptly find the location range of the abnormal point of the optical fiber with unqualified color, and recolor and solidify it to ensure that the color of the optical fiber meets the standard requirements, and can accurately detect the color accuracy and uniformity of the optical fiber and minor defects such as surface flaws and scratches, and can quickly detect the appearance quality of the optical fiber, greatly improving the speed and efficiency of the detection. Avoid errors caused by visual fatigue or subjective judgment in manual detection, reduce the demand for detection personnel and repair personnel, and reduce the labor cost of the enterprise.

[0069] Based on the same inventive concept, Figure 3 As shown, the embodiment of the present application also provides an optical fiber repair device for FTTR, which is arranged in a controller of an optical fiber coloring system, and the optical fiber coloring system also includes a first coloring and curing device, a first detection device and a second coloring and curing device; the device includes: A control module is used to control the first coloring and curing device to color and cure the bare optical fiber to obtain a colored optical fiber when the bare optical fiber passes through the first coloring and curing device; and to control the first detection device to collect images of the part of the optical fiber when part of the colored optical fiber passes through the first detection device; A detection module, used for obtaining color detection results of a portion of the optical fiber according to an image of the portion of the optical fiber; A position determination module, used to determine the position range of some optical fibers if the color detection results of some optical fibers are unqualified; The control module is also used to control the second coloring and curing device to re-color and cure part of the optical fiber according to the position range when the colored optical fiber passes through the second coloring and curing device to obtain a repaired optical fiber; the repaired optical fiber is applied to the FTTR network.

[0070] It should be noted that each module in the optical fiber repair device for FTTR in this embodiment corresponds one-to-one to each step in the optical fiber repair method for FTTR in the aforementioned embodiment. Therefore, the specific implementation of this embodiment can refer to the implementation of the optical fiber repair method for FTTR in the aforementioned embodiment, and will not be repeated here.

[0071] In addition, in one embodiment, the present application also provides a computer device, which includes a processor, a memory, and a computer program stored in the memory, and the computer program implements the aforementioned FTTR optical fiber repair method when executed by the processor.

[0072] In addition, in one embodiment, the present application further provides a computer storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the aforementioned optical fiber repair method for FTTR is implemented.

[0073] In some embodiments, the computer readable storage medium may be a memory such as FRAM, ROM, PROM, EPROM, EEPROM, flash memory, magnetic surface memory, optical disk, or CD-ROM; or various devices including one or any combination of the above memories. The computer may be various computing devices including intelligent terminals and servers.

[0074] In some embodiments, executable instructions may be in the form of a program, software, software module, script or code, written in any form of programming language (including compiled or interpreted languages, or declarative or procedural languages), and may be deployed in any form, including as a stand-alone program or as a module, component, subroutine or other unit suitable for use in a computing environment.

[0075] As an example, executable instructions may, but need not, correspond to a file in a file system, may be stored as part of a file storing other programs or data, such as in one or more scripts in a HyperText Markup Language (HTML) document, in a single file dedicated to the program in question, or in multiple coordinated files (e.g., files storing one or more modules, subroutines, or code portions).

[0076] By way of example, executable instructions may be deployed to be executed on one computing device, or on multiple computing devices located at one site, or on multiple computing devices distributed across multiple sites and interconnected by a communication network.

[0077] It should be noted that, in this article, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or system including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or system. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or system including the element.

[0078] The serial numbers of the above-mentioned embodiments of the present application are for description only and do not indicate the advantages or disadvantages of the embodiments.

[0079] Through the description of the above implementation methods, those skilled in the art can clearly understand that the above-mentioned embodiment methods can be implemented by means of software plus a necessary general hardware platform, and of course by hardware, but in many cases the former is a better implementation method. Based on such an understanding, the technical solution of the present application, or the part that contributes to the prior art, can be embodied in the form of a software product, which is stored in a storage medium (such as a read-only memory / random access memory, a disk, or an optical disk), and includes a number of instructions for a multimedia terminal device to execute the methods described in each embodiment of the present application.

[0080] The above are only preferred embodiments of the present application, and are not intended to limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A method for repairing an optical fiber of an FTTR, characterized in that: The controller is applied to an optical fiber coloring system, wherein the optical fiber coloring system further comprises a first coloring and curing device, a first detection device and a second coloring and curing device; the method comprises: When the bare optical fiber passes through the first coloring and curing device, controlling the first coloring and curing device to color and cure the bare optical fiber to obtain a colored optical fiber; When part of the colored optical fiber passes through the first detection device, controlling the first detection device to collect images of the part of the optical fiber; Obtaining a color detection result of the portion of optical fiber according to the image of the portion of optical fiber; If the color detection result of the part of optical fibers is unqualified, determining the position range of the part of optical fibers; When the colored optical fiber passes through the second coloring and curing device, the second coloring and curing device is controlled to re-color and cure the part of the optical fiber according to the position range to obtain a repaired optical fiber; the repaired optical fiber is applied to the FTTR network.

2. The optical fiber repair method of FTTR according to claim 1, characterized in that: The first detection device includes a light source and a camera; when a portion of the colored optical fiber passes through the first detection device, controlling the first detection device to collect an image of the portion of the optical fiber includes: When part of the colored optical fiber passes through the first detection device, adjusting the brightness of the light source according to the color of the colored optical fiber; Under the illumination of the light source, the camera is controlled to collect an image of the portion of the optical fiber.

3. The optical fiber repair method of FTTR according to claim 1, characterized in that: The step of obtaining a color detection result of the portion of optical fiber according to the image of the portion of optical fiber comprises: extracting an image of the optical fiber region from the image of the portion of the optical fiber; In a preset color space, according to the image of the optical fiber area, calculate the color unevenness and color saturation of the portion of optical fiber, and the color difference between the actual color of the portion of optical fiber and the standard reference color; A color detection result of the portion of optical fibers is obtained according to the color unevenness, the color saturation and the color difference.

4. The optical fiber repair method for FTTR according to claim 1, characterized in that: The optical fiber coloring system further includes a meter wheel, which is arranged between the first coloring and curing device and the first detection device; If the color detection result of the part of optical fibers is unqualified, determining the position range of the part of optical fibers includes: If the color detection result of the part of the optical fibers is unqualified, obtaining the number of rotations of the meter wheel; Obtaining a moving distance of the colored optical fiber according to the number of rotations and the circumference of each rotation of the meter wheel; The position range of the portion of optical fiber is determined according to the moving distance, a first distance between the meter wheel and the entrance of the first detection device, and a second distance between the entrance and the exit of the first detection device.

5. The optical fiber repair method of FTTR according to claim 4, characterized in that: If the color detection result of the part of the optical fibers is unqualified, the number of rotations of the meter wheel is obtained, including: If the color detection result of the part of the optical fibers is unqualified, obtaining the number of pulse signals emitted by the meter wheel; The number of pulse signals and the number of pulses per revolution are multiplied to obtain the number of revolutions of the meter wheel.

6. The optical fiber repair method of FTTR according to claim 1, characterized in that: The optical fiber coloring system further includes a second detection module; when the colored optical fiber passes through the second coloring and curing device, according to the position range, the second coloring and curing device is controlled to re-color and cure the portion of the optical fiber to obtain a repaired optical fiber, the method further includes: When the repaired optical fiber passes through the second detection module, controlling the second detection module to collect an image of the repaired optical fiber, and obtaining a color detection result and a defect detection result of the repaired optical fiber according to the image of the repaired optical fiber; A test report is generated based on the color test results and defect test results of the repaired optical fiber.

7. The optical fiber repair method of FTTR according to claim 6, characterized in that: The step of obtaining a color detection result and a defect detection result of the repaired optical fiber according to the image of the repaired optical fiber comprises: The image of the repaired optical fiber is input into a trained defect detection model to obtain a defect detection result of the repaired optical fiber; the trained defect detection model is obtained based on a fiber sample set; the fiber sample set includes multiple fiber images and a label for each fiber image; the label is used to indicate the defect position and defect type of the optical fiber in each fiber image.

8. An optical fiber repair device for FTTR, characterized in that: The device is arranged in a controller of an optical fiber coloring system, wherein the optical fiber coloring system further comprises a first coloring and curing device, a first detection device and a second coloring and curing device; the device comprises: a control module, configured to control the first coloring and curing device to color and cure the bare optical fiber to obtain a colored optical fiber when the bare optical fiber passes through the first coloring and curing device; and to control the first detection device to collect images of a portion of the colored optical fiber when a portion of the colored optical fiber passes through the first detection device; A detection module, used for obtaining a color detection result of the portion of optical fiber according to the image of the portion of optical fiber; A position determination module, used for determining the position range of the portion of optical fibers if the color detection result of the portion of optical fibers is unqualified; The control module is further used to control the second coloring and curing device to re-color and cure the part of the optical fiber according to the position range when the colored optical fiber passes through the second coloring and curing device to obtain a repaired optical fiber; the repaired optical fiber is applied to the FTTR network.

9. A computer device, characterized in that: The computer device comprises a memory and a processor, wherein the memory stores a computer program, and the processor executes the computer program to implement the optical fiber repair method for the FTTR according to any one of claims 1 to 7.

10. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores a computer program, and the processor executes the computer program to implement the optical fiber repair method for the FTTR according to any one of claims 1 to 7.

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