Optical fiber identifier and optical fiber identification system

Abstract

The embodiment of the utility model provides an optical fiber recognizer and an optical fiber recognition system, and belongs to the technical field of optical communication, the optical fiber recognizer comprises a vibration structure and a bending structure, an optical signal on an optical fiber firstly passes through the vibration structure and then passes through the bending structure, the vibration structure drives the optical fiber to reciprocate so as to repeatedly bend the optical fiber, and an optical signal with periodically changed optical power is generated. The bending structure drives part of the optical fiber to move to bend the optical fiber, and the variation of the optical power can be judged by detecting the light leakage amount caused by bending of the optical fiber. When the detector detects and identifies the periodically changing optical signal, online lossless identification of the optical fiber is realized, and the periodically changing optical signal is taken as a criterion, so that misjudgment can be avoided. According to the variable quantity of the optical power, feedback adjustment of the bending quantity of the optical fiber can be achieved, the bending quantity can be correspondingly adjusted according to optical fibers with different wire diameters and wavelengths, optical signals with certain optical power variable quantity and periodical change are generated, accurate lossless identification is achieved, and the risk of service interruption caused by too large bending loss is avoided.

Description

Technical Field

[0001] This application relates to the field of optical communication technologies, and particularly to an optical fiber identifier and an optical fiber identification system. Background Art

[0002] With the development of modern society and the explosive growth of information volume, people's demand for network throughput capacity is constantly increasing. Optical transmission, with its unique characteristics such as ultra-high bandwidth and low electromagnetic interference, has gradually become the mainstream solution for modern communication. As a passive transmission medium, how to sort out the matching relationship between the two ends of optical fibers in a large number of optical fiber bundles (or optical cables) has always been one of the research directions in the industry.

[0003] For example, taking the optical communication connection between optical fiber distribution frames as an example, multiple optical fibers can be connected between a first optical fiber frame and a second optical fiber frame. To achieve accurate positioning and port matching of the required optical fibers, an optical fiber identification system can be used to identify the optical fibers, so as to complete the matching of the two ends of the optical fibers on the two optical fiber frames and realize the communication connection between the two optical fiber frames. The optical fiber identification system usually includes an optical fiber bender and a detector. The optical fiber bender can be placed on the side of the first optical fiber frame, and the detector can be placed on the side of the second optical fiber frame. The optical fiber bender can clamp one end of a certain optical fiber and bend the optical fiber. Since the optical fiber leaks light due to bending and the optical power decreases, the detector corresponding to the other end of the optical fiber detects the change in optical power, and then the identification and detection of the optical fiber can be realized, and the matching of the optical fiber on the side of the first optical fiber frame and the side of the second optical fiber frame can be completed.

[0004] However, the above-mentioned optical fiber identification system has a fixed bending amount for the optical fiber and cannot be adjusted, which easily causes the risk of excessive loss and interruption of communication services. Summary of the Utility Model

[0005] Embodiments of this application provide an optical fiber identifier and an optical fiber identification system, which can adjust the bending amount of the optical fiber, ensure accurate and non-destructive detection and identification of the optical fiber, and avoid the risk of interruption of services due to excessive bending loss.

[0006] The first aspect of the embodiments of this application provides an optical fiber identifier for clamping on one end of an optical fiber, including a vibration structure and a bending structure. The vibration structure is used to clamp with the optical fiber, and the vibration structure is used to drive the optical fiber to reciprocate in a first direction. The bending structure is used to clamp with the optical fiber, and the bending structure drives a part of the optical fiber to move in the first direction to bend the optical fiber, so that the optical fiber forms at least a first macro-bend, realizing the bending of the optical fiber.

[0007] The vibration structure and the bending structure are sequentially distributed along the transmission direction of the optical signal on the optical fiber, that is, the optical signal transmitted on the optical fiber first passes through the vibration structure and then through the bending structure. The vibration structure drives the reciprocating movement of the optical fiber along the first direction, such as driving the optical fiber to reciprocate vibration at a fixed frequency, so that the optical fiber is repeatedly bent. The optical fiber leaks light due to bending, resulting in a change in the power of the optical signal, and a periodically varying optical signal can be generated, that is, the power of the optical signal varies periodically. The bending structure drives a part of the optical fiber to move along the first direction to bend the optical fiber. The change in the optical power can be judged by detecting the amount of light leakage caused by the bending of the optical fiber. The detector at the other end of the optical fiber can detect the optical signal with periodically varying optical power, so as to realize the identification of the two ends of the optical fiber, and realize the non-destructive detection and identification of the optical fiber without interrupting the optical signal service on the optical fiber.

[0008] The optical fiber identifier applies vibration modulation to the bent optical fiber to obtain a periodically varying modulated optical signal. Using the periodically varying optical signal as the criterion for detection by the detector, the identification and detection of the optical fiber can be realized, which can be well distinguished from the change in optical power caused by external disturbances (such as touching, squeezing, etc.), avoiding the occurrence of misjudgment phenomena and having a low misjudgment rate.

[0009] Moreover, according to the change amount of the optical power, the feedback adjustment of the bending amount of the optical fiber can be realized. For example, the displacement amount of the bending structure driving a part of the optical fiber to move along the first direction can be adjusted to realize the adjustment of the bending amount of the optical fiber. Adjusting the bending amount of the optical fiber can indirectly change the amplitude of the vibration of the optical fiber, and further adjust the change amount of the optical power caused by bending, so that the optical fiber identifier can generate an optical signal with a certain and periodically varying optical power change amount. For optical fibers with different diameters and different wavelengths of optical signals, different bending amounts can be correspondingly adjusted to generate a periodically varying optical signal with a certain and detectable change amount of optical power by the detector, realizing accurate non-destructive detection of optical fibers with different diameters and optical signal wavelengths, while reducing or avoiding the risk of interrupting the service due to excessive bending loss, and without the need to know in advance the optical fiber diameter, optical signal wavelength, etc. And it is also beneficial to expand the applicable range of the optical fiber identifier. For example, by adjusting and increasing the bending amount of the optical fiber, the optical fiber identifier can be applied to the identification and detection of bend-resistant optical fibers, etc.

[0010] Exemplarily, in actual use, a preset threshold value of the optical power change amount can be set. For example, the preset threshold value can be the detection threshold value of the optical power change amount that the detector can identify. By comparing the detected optical power change amount with the preset threshold value, the feedback adjustment of the bending amount of the optical fiber can be realized, so that the optical signal generates an optical signal with a certain (such as the preset threshold value) and periodically varying optical power change amount after being transmitted through the part of the optical fiber clamped by the optical fiber identifier, which is applicable to optical fibers with different diameters and optical signal wavelengths.

[0011] In a possible implementation, the bending structure has a clamping position for clamping an optical fiber. The optical fiber identifier further includes a first detection member that can move along a first direction. In the transmission direction of the optical signal, the first detection member is located on the side of the clamping position away from the vibration structure, and the first detection member is used to detect the optical signal in the optical fiber. The first detection member can detect the power of the optical signal after being transmitted through the bent and kinked portion of the optical fiber. When the bending structure drives the optical fiber to move along the first direction to bend the optical fiber, the first detection member also moves along the first direction, and detects the change in the optical power in the optical fiber during the bending of the optical fiber, that is, detects the optical power while bending the optical fiber, so as to detect the dissipated optical power caused by the bending of the optical fiber.

[0012] In this way, the first detection member can detect the power of the optical signal in each bending state during the bending process of the optical fiber, that is, can detect the change in the optical power during the bending process, and obtain the change amount of the optical power between different states during the bending process. According to the optical power detected by the first detection member, the bending of the optical fiber can be adjusted conversely to realize the feedback adjustment of the bending amount of the optical fiber. By using the optical power detected by the first detection member to feedback-adjust the bending amount of the optical fiber, different bending amounts can be automatically adjusted correspondingly without knowing the wire diameter of the optical fiber, the wavelength of the optical signal, etc., ensuring that the detector can detect a stable and periodically changing optical signal, and avoiding the risk of interrupting services due to excessive bending loss. The design is simple and easy to implement.

[0013] In a possible implementation, the optical fiber identifier further includes a second detection member that can move along the first direction. In the transmission direction of the optical signal, the second detection member and the first detection member are respectively located on both sides of the clamping position, and the second detection member is used to detect the optical signal in the optical fiber.

[0014] The first detection member and the second detection member can be used to determine whether the optical fiber is an in-service optical fiber or a dark optical fiber. The first detection member and the second detection member are also used to determine the transmission direction of the optical signal in the optical fiber, so that the optical fiber identifier can correctly clamp the optical fiber to realize the detection and identification of the optical fiber.

[0015] In a possible implementation, the bending structure includes a first driving member and a connecting rod. One end of the connecting rod is connected to the first driving member, and the other end of the connecting rod has a clamping position. The first driving member is used to drive the connecting rod to move along the first direction, and the connecting rod forms a first macro-bend of the optical fiber. The first detection member and the second detection member are respectively arranged at the other end of the connecting rod. The structural design is simple and easy to implement, and is beneficial to reducing the design difficulty and manufacturing cost.

[0016] In a possible implementation, the bending structure further includes a lever member. One end of the lever member is connected to one end of the connecting rod, and the other end of the lever member is used to clamp the optical fiber. The connecting rod moves in the first direction to drive the other end of the lever member to move in the opposite direction to bend the optical fiber, so that the optical fiber forms a second macro-bend. That is, the bending structure can bend the optical fiber and construct two macro-bends. The bending directions of the first macro-bend and the second macro-bend can be opposite, so that the change in optical power after the optical signal passes through the two macro-bends is relatively large, which is convenient for identification and detection and helps to further reduce the risk of misjudgment.

[0017] In addition, through the design of the lever member, the bending structure can bend the optical fiber to form two macro-bends under the action of a first driving member. The structural design is simple, which is convenient for molding and implementation, and also convenient for the distribution of the bending structure and the vibration structure.

[0018] In a possible implementation, the vibration structure includes a second driving member and a sliding member. The sliding member is used to clamp the optical fiber, and the second driving member is used to drive the sliding member to reciprocate in the first direction. The sliding member drives the clamped part of the optical fiber to reciprocate in the first direction, thereby driving the optical fiber to vibrate reciprocally in the first direction. The structural design is simple and easy to implement, which helps to reduce the design difficulty and manufacturing cost.

[0019] In a possible implementation, the optical fiber identifier further includes a communication module, which is used to communicate with a detector on the other end of the optical fiber to realize the communication between the optical fiber identifier and the detector. Exemplarily, the detector can report the detection and identification results to the optical fiber identifier. When the optical fiber identifier and the detector are separately arranged far away on the two device sides of the communication system, without relying on a third-party software and hardware structure, the optical fiber identifier can directly obtain the detection results (such as port information, etc.) reported by the detector, and the operation is convenient.

[0020] In a possible implementation, the optical fiber identifier further includes a display screen, which can display the detection results, such as displaying port information such as the optical fiber port number reported by the detector.

[0021] The optical fiber identifier further includes a control unit. The bending structure, the vibration structure, the communication module, the display screen, the first detection member, and the second detection member are respectively electrically connected to the control unit. The control unit can regulate and control the display screen, the communication module, the bending structure, and the vibration structure, which is convenient for realizing the detection of optical signals, the detection of the optical signal transmission direction, and the feedback adjustment of the optical fiber bending amount, etc.

[0022] In a possible implementation, the optical fiber identifier further includes a manipulation button, which is connected to the control unit. Through the manipulation button, operation gestures can be recognized, and then the start and stop of the bending structure and the vibration structure can be controlled.

[0023] In a possible implementation, the optical fiber identifier further includes a housing and a light-shielding cover. The housing has a receiving cavity, and the bending structure and the vibration structure are arranged in the receiving cavity. The housing has an opening communicating with the receiving cavity, and one end of the light-shielding cover is rotatably connected to the housing. That is, the light-shielding cover can be a flip-type cover, and the other end of the light-shielding cover can rotate towards the opening on the housing so that the light-shielding cover can cover the opening on the housing, and the optical fiber can be clamped between the housing and the light-shielding cover. The light-shielding cover can completely cover the opening, and the light-shielding cover can play a role in shielding the optical fiber clamped between the light-shielding cover and the housing, eliminating the influence of ambient light on the detection of optical signals in the clamped part of the optical fiber.

[0024] The other end of the light-shielding cover can also rotate away from the housing, separating the light-shielding cover from the opening, facilitating the removal of the optical fiber, and realizing the convenient clamping and taking of the optical fiber.

[0025] In a possible implementation, a part of the receiving cavity is used to accommodate the battery, and the control circuit board, the display screen, and the communication module are respectively electrically connected to the battery. The battery can supply power to the control unit, the communication module, the display screen, the first driving member, the second driving member, the first detecting member, the second detecting member, etc. So that the optical fiber identifier can move freely, realizing the handheld of the optical fiber identifier and eliminating the bondage of the power cable.

[0026] The second aspect of the embodiments of the present application provides an optical fiber identification system, including a detector and any one of the above optical fiber identifiers. The detector is used to clamp the other end of the optical fiber, and the detector is used to detect the optical signal at the other end of the optical fiber. The optical fiber identifier is clamped on the optical fiber, so that the optical signal generates an optical signal with a periodic change in optical power after being transmitted through the part of the optical fiber clamped by the optical fiber identifier. The detector can detect this periodic optical signal, and realize the non-destructive detection and identification of the optical fiber without interrupting the optical signal service on the optical fiber.

[0027] In a possible implementation, the ratio of the number of detectors to the number of optical fiber identifiers is a positive integer greater than 1. For example, one detector can be clamped on each optical fiber, and one optical fiber identifier can be used to traverse one end of the optical fiber respectively. The detectors at the other end of the optical fiber respectively identify the periodic optical signals and report the port information to the optical fiber identifier, realizing the matching of each optical fiber, without repeatedly clamping and replacing the detector and the optical fiber, and having a high fiber searching efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the architecture of a communication system provided by the embodiments of the present application;

[0029] Figure 2 It is a schematic diagram of an application scenario of an optical fiber identification system in a communication system provided by the embodiments of the present application;

[0030] Figure 2a Schematic diagram of the external structure of an optical fiber identifier and an optical fiber clamp provided by an embodiment of the present application;

[0031] Figure 3 For Figure 2a Schematic diagram of the structure of the optical fiber identifier and the optical fiber assembly in

[0032] Figure 4 For Figure 3 Schematic diagram of the assembly of the optical fiber identifier and the optical fiber when the optical fiber identifier is in the initial state in

[0033] Figure 5 For Figure 4 Schematic diagram of the change in the optical power detected by the optical fiber identifier in

[0034] Figure 6 For Figure 3 Schematic diagram of the assembly of the optical fiber identifier and the optical fiber when the optical fiber identifier is in the micro-bending state in

[0035] Figure 7 For Figure 6 Schematic diagram of the change in the optical power detected by the optical fiber identifier in

[0036] Figure 8 For Figure 3 Schematic diagram of the assembly of the optical fiber identifier and the optical fiber when the optical fiber identifier is in the macro-bending state in

[0037] Figure 9 For Figure 8 Schematic diagram of the change in the optical power detected by the optical fiber identifier in

[0038] Figure 10 Another schematic diagram of the assembly of the optical fiber identifier and the optical fiber provided by an embodiment of the present application;

[0039] Figure 11 For Figure 7 Schematic diagram of the test process for the optical fiber identifier to identify and detect the optical fiber in

[0040] Explanation of reference numerals:

[0041] 100 - Communication system;

[0042] 101 - Optical fiber;

[0043] 102 - Optical fiber identification system;

[0044] 10 - Optical fiber identifier;

[0045] 11 - Bending structure;

[0046] 111 - First driving member; 112 - Link; 113 - Lever member;

[0047] 12 - Vibration structure;

[0048] 121 - Second driving member; 122 - Sliding member;

[0049] 13 - First detection member; 14 - Second detection member; 15 - Communication module; 16 - Display screen; 17 - Operation button; 18 - Battery;

[0050] 10a - Housing; 10b - Housing cover;

[0051] 20 - Detector;

[0052] 103 - First optical fiber holder;

[0053] 104 - Second optical fiber holder. Detailed implementation manners

[0054] The terms used in the implementation manners part of this application are only for explaining the specific embodiments of this application, rather than aiming to limit this application.

[0055] Optical fibers have many characteristics such as high transmission rate, unlimited bandwidth, and strong anti-interference ability, and are widely used in the modern communication industry. A communication system usually includes multiple optical fibers and devices connected to the optical fibers. The devices in the communication system can communicate through the connected optical fibers. However, the optical fiber link between two devices in the communication system is often relatively complex. Usually, multiple optical fibers are connected between two devices, resulting in a large number of optical fiber ports connected to the devices. Therefore, in scenarios such as optical fiber network construction, service provisioning, and related maintenance stages, it is necessary to identify the ports at both ends of the optical fiber to accurately connect the optical fiber ports to the device ports.

[0056] Figure 1 It is a schematic structural diagram of a communication system provided by an embodiment of this application.

[0057] For example, see Figure 1As shown in the figure, taking the communication system 100 including the first optical fiber rack 103 and the second optical fiber rack 104 as an example, there are multiple optical fibers 101 connected between the first optical fiber rack 103 and the second optical fiber rack 104. For example, both ends of each optical fiber 101 have ports for connection. The first optical fiber rack 103 may have multiple first coordination ports 131, and the second optical fiber rack 104 may have multiple second coordination ports 141 respectively. The two ports of an optical fiber 101 can be correspondingly connected to a first coordination port 131 and a second coordination port 141. To accurately correspond the two ports of the same optical fiber 101 to the first coordination port 131 on the side of the first optical fiber rack 103 and the second coordination port 141 on the side of the second optical fiber rack 104 respectively, so as to realize the communication connection between the first optical fiber rack 103 and the second optical fiber rack 104 through the optical fiber 101, it is necessary to identify the optical fiber 101, so that the two end ports of the optical fiber 101 can be accurately corresponded to the first coordination port 131 on the side of the first optical fiber rack 103 and the second coordination port 141 on the side of the second optical fiber rack 104, and the matching of the optical fiber 101 between the first optical fiber rack 103 and the second optical fiber rack 104 is realized.

[0058] Among them, the scheme for identifying optical fiber bending is that after the optical fiber is bent, some optical signals will leak out from the optical fiber skin, resulting in changes in the optical signals, such as the power of the optical signals becoming smaller. Detecting the change in optical power can realize the matching identification of the two end ports of the optical fiber without interrupting the optical fiber service.

[0059] It should be noted that among the multiple optical fibers connected between two devices in the communication system, some optical fibers may be used for communication transmission. Such optical fibers used for communication transmission can be called online optical fibers. Some optical fibers may have no communication transmission service due to reasons such as the relocation or failure of downstream devices. Such optical fibers can be called dark optical fibers. Among the online optical fibers, there may also be online optical fibers with different diameters and transporting optical signals of different wavelengths. During the optical fiber identification process, the online optical fibers and the dark optical fibers can be first identified, and then the corresponding matching optical fiber ports can be respectively identified from the online optical fibers by means such as bending identification. For dark optical fibers, since there is no transmission service on the dark optical fibers, a convenient operation method such as the red light irradiation method can be used to realize the matching identification.

[0060] A common optical fiber identification system may include an optical fiber bender and a detector. The optical fiber bender is installed on the side of the first optical fiber rack, and the detector is installed on the side of the second optical fiber rack. The optical fiber bender can bend some optical fibers. Exemplarily, for example, before using the optical fiber bender to bend a certain optical fiber, the power value of the optical signal in the optical fiber is P1. After using the optical fiber bender to bend the optical fiber, the bending causes the optical fiber to leak light, and the power value of the optical signal changes to P2. The detector on the optical fiber can detect the optical power change amount P1 - P2, and the identification of the optical fiber is realized, and the matching of the optical fiber between the first optical fiber rack and the second optical fiber rack is completed.

[0061] To achieve bending of the optical fiber, an optical fiber bender usually has a macro-bending groove. The optical fiber is pressed into the macro-bending groove to bend the optical fiber. The bending is performed once and the amount of bending of the optical fiber is fixed and non-adjustable. That is, regardless of the diameter of the optical fiber and the wavelength of the optical signal on the optical fiber, etc., the amount of bending of the optical fiber formed by the optical fiber bender is fixed, cannot be adjusted, and cannot be controlled. Moreover, the bending losses of optical fiber services with different diameters and different wavelength optical signals are inconsistent. There is a risk that the change amount is difficult to be recognized by the detector due to too small bending amount, or the communication service is interrupted due to too large bending amount and excessive loss. And taking the change of the optical signal caused by a single bending as the criterion for judgment, the risk of misjudgment is relatively large. For example, when the optical signal changes due to external disturbances, such as touching or squeezing the optical fiber, it may also cause the change of the optical signal on the optical fiber, resulting in misjudgment.

[0062] Based on this, an embodiment of the present application provides an optical fiber identifier. The optical fiber identifier can be clamped on one end of the optical fiber and includes a bending structure and a vibration structure. The vibration structure and the bending structure are sequentially distributed along the optical signal transmission direction. The optical fiber number transmitted on the optical fiber first passes through the vibration structure and then through the bending structure. The vibration structure can drive the optical fiber to reciprocate along the first direction at a fixed frequency, so that the optical fiber is repeatedly bent. The optical fiber leaks light, resulting in a change in the power of the optical signal, and an optical signal with a periodically changing optical power can be generated. The bending structure drives the clamped part of the optical fiber to move along the first direction to bend the optical fiber. The change amount of the optical power can be judged by detecting the light leakage amount caused by the bending of the optical fiber. The detector at the other end of the optical fiber can detect the optical signal with a periodically changing optical power, realizing the identification of the two end ports of the optical fiber. Without interrupting the optical signal service on the optical fiber, the non-destructive detection and identification of the optical fiber are realized. The optical fiber identifier applies vibration modulation to the bending of the optical fiber to obtain a periodically changing modulated optical signal, and uses this periodically changing optical signal as the criterion for detection by the detector to realize the identification and detection of the optical fiber, which can be well distinguished from the optical power change caused by external disturbances (such as touching, squeezing, etc.), avoiding the occurrence of misjudgment phenomena and having a low misjudgment rate.

[0063] According to the change amount of the optical power, the feedback adjustment of the fiber bending amount can be realized. For example, by adjusting the displacement of the bending structure to drive a part of the optical fiber to move in the first direction, the adjustment of the fiber bending amount can be realized. Adjusting the fiber bending amount can indirectly change the amplitude of the fiber vibration, adjust the change amount of the optical power caused by bending, and utilize the fiber identifier to generate an optical signal with a certain and periodically changing optical power change amount. For optical fibers with different diameters and different wavelength optical signals, different bending amounts can be correspondingly adjusted to generate a periodically changing optical signal with a certain optical power change amount and can be recognized by the detector, so as to realize the accurate and non-destructive detection of optical fibers with different diameters and optical signal wavelengths, and at the same time reduce or avoid the risk of interrupting services due to excessive bending loss, and there is no need to know in advance the diameter of the optical fiber, the wavelength of the optical signal, etc. It is also beneficial to expand the applicable range of the fiber identifier. For example, by adjusting and increasing the fiber bending amount, the fiber identifier can be applied to the identification and detection of bend-resistant optical fibers.

[0064] The fiber identifier can be used as an instrument for realizing fiber fault location and applied to a communication system for optical path fault location and analysis. Or, the fiber identifier can be a part of a fiber identification system, and the fiber identification system can also include a detector. The fiber identifier and the detector can cooperate to realize the identification and matching of the optical fibers between devices in the communication system, complete the sorting of the fiber port relationships between devices (such as between fiber racks), so that the two end ports of the optical fiber can be correspondingly connected to the device ports.

[0065] Figure 2 FIG. is a schematic diagram of an application scenario of a fiber identification system provided by an embodiment of the present application in a communication system.

[0066] For example, taking the application of the fiber identification system 102 to Figure 1 the identification and matching of the optical fiber 101 between the first fiber rack and the second fiber rack shown in as an example. Refer to Figure 2 As shown, the fiber identification system 102 includes a fiber identifier 10 and a detector 20. The fiber identifier 10 can be placed at one end of the optical fiber 101. For example, the fiber identifier 10 can be placed at one end of the optical fiber 101 on the side of the first fiber rack. The fiber identifier 10 can be clamped with one end of the optical fiber 101 (refer to Figure 2a as shown), such as clamped at the position of one end port of the optical fiber 101.

[0067] The clamping cooperation between the fiber identifier 10 and the optical fiber 101 can be a detachable cooperation method. The fiber identifier 10 can be clamped with the optical fiber 101, and the fiber identifier 10 can also be separated from the optical fiber 101.

[0068] The detector 20 can be placed at the other end of the optical fiber 101. For example, the detector 20 can be placed at one end of the optical fiber 101 on the side of the second optical fiber holder. The detector 20 can be clamped with the other end of the optical fiber 101, such as clamped at the port position of the other end of the optical fiber 101.

[0069] The clamping fit between the detector 20 and the optical fiber 101 can also be a detachable fit. The detector 20 can be clamped with the optical fiber 101, and the detector 20 can also be separated from the optical fiber 101.

[0070] The optical fiber identifier 10 can apply appropriate excitation to one of the optical fibers 101, such as constructing appropriate bending and vibration, causing a change in the optical signal (such as a change in optical power) at one end of the optical fiber 101. The detector 20 can recognize this excitation, such as detecting a change in the optical signal (such as recognizing the change amount of optical power) at the other end of the optical fiber 101, so as to realize the identification of the optical fiber 101, and the two ends of the optical fiber 101 can be accurately matched to the first coordination port 131 of the first optical fiber holder and the second coordination port 141 of the second optical fiber holder respectively.

[0071] It can be understood that to ensure the uninterrupted communication service of the optical fiber 101, the magnitude of the excitation applied by the optical fiber identifier 10 to the optical fiber 101, such as the magnitude of the bending amount and vibration of the optical fiber 101, needs to ensure that the detector 20 can recognize this excitation change, and also ensure that this excitation is not too large to cause the interruption of the communication service.

[0072] Figure 2a This is a schematic diagram of the external structure of the clamping of the optical fiber identifier and the optical fiber provided by the embodiment of the present application.

[0073] See Figure 2a As shown, the optical fiber identifier 10 is used to clamp one end of the optical fiber 101. Exemplarily, the transmission direction of the optical signal on the optical fiber 101 is the x direction in the figure. One end of the optical fiber 101 is clamped with the optical fiber identifier 10, and the part of the optical fiber 101 along the transmission direction can be clamped inside the optical fiber identifier 10. The optical fiber 101 crosses the optical fiber identifier 10 along the transmission direction and is clamped and assembled with the optical fiber identifier 10.

[0074] Figure 3 For Figure 2a the structural schematic diagram of the assembly of the optical fiber identifier and the optical fiber in

[0075] The optical fiber identifier 10 includes a vibration structure 12. The vibration structure 12 is used to clamp the optical fiber 101. When the vibration structure 12 clamps the optical fiber 101, it can drive the optical fiber 101 to reciprocate in the first direction. Among them, the first direction can intersect with the transmission direction of the optical signal, such as the y direction shown in the figure.

[0076] The optical fiber identifier 10 further includes a bending structure 11 for clamping with the optical fiber 101. When the bending structure 11 clamps the optical fiber 101, it can drive the clamped part of the optical fiber 101 to move in the first direction to bend the optical fiber 101, so that the optical fiber 101 can at least form a first macro-bend 110, realizing the bending of the optical fiber 101.

[0077] Among them, the bent shape of the optical fiber 101 can be an arc shape, such as a circular arc shape, an elliptical arc shape, etc. For example, the shape of the first macro-bend 110 formed on the optical fiber 101 by the bending structure 11 can be an arc-shaped bending section such as a circular arc shape or an elliptical arc shape.

[0078] The vibration structure 12 and the bending structure 11 are sequentially distributed along the transmission direction (x direction) of the optical signal, that is, the optical signal transmitted on the optical fiber 101 first passes through the vibration structure 12 and then passes through the bending structure 11. The vibration structure 12 drives the optical fiber 101 to reciprocate in the first direction. Exemplarily, the vibration structure 12 can drive the optical fiber 101 to reciprocate in the first direction at a fixed frequency, so that the optical fiber is repeatedly bent. The optical fiber leaks light due to bending, resulting in a change in the power of the optical signal, and a periodically changing optical signal can be generated, that is, the power of the optical signal changes periodically.

[0079] The bending structure 11 drives part of the optical fiber 101 to move in the first direction to bend the optical fiber 101. The change in the optical power can be judged by detecting the amount of light leakage caused by the bending of the optical fiber. The detector at the other end of the optical fiber 101 can detect the optical signal with periodically changing optical power, so as to realize the identification of the two ends of the optical fiber 101, and realize the non-destructive detection and identification of the optical fiber 101 under the condition of not interrupting the optical signal service on the optical fiber 101.

[0080] The optical fiber identifier 10 applies vibration modulation to the bending of the optical fiber 101 through the bending structure 11 and the vibration structure 12 to obtain a periodically changing modulated optical signal. Using the periodically optical signal as the criterion for the detector to detect and identify, the identification and detection of the optical fiber 101 are realized, which can be well distinguished from the change in optical power caused by external disturbances (such as touch, extrusion, etc.), avoiding the occurrence of misjudgment phenomena and having a low misjudgment rate.

[0081] Moreover, according to the change amount of the optical power, the feedback adjustment of the bending amount of the optical fiber can be realized. For example, by adjusting the displacement of the bending structure 11 driving part of the optical fiber 101 to move in the first direction, the bending amount of the optical fiber 101 can be adjusted, that is, the bending degree of the formed first macro-bend can be adjusted. Adjusting the bending amount of the optical fiber 101 can indirectly change the amplitude of the vibration of the optical fiber 101, adjust the vibration amount, and further adjust the change amount of the optical power caused by bending, so that the optical signal generates an optical signal with a certain and periodically changing optical power change amount after passing through the part of the optical fiber clamped by the optical fiber identifier 10.

[0082] The optical fiber 101 for optical signals with different wire diameters and different wavelengths can correspondingly adjust different bending amounts. For example, optical signals with a small wavelength correspond to a large bending amount, and optical signals with a large wavelength correspond to a small bending amount, generating a periodic optical signal with a certain and detectable optical power change amount by the detector, realizing accurate and non-destructive detection of optical fibers 101 with different wire diameters and optical signal wavelengths, while reducing or avoiding the risk of service interruption due to excessive bending loss, and without the need to know in advance the optical fiber wire diameter, optical signal wavelength, etc. In addition, it is also beneficial to expand the applicable range of the optical fiber identifier 10. For example, by adjusting and increasing the bending amount of the optical fiber, the optical fiber identifier 10 can be applicable to the identification and detection of bend-resistant optical fibers.

[0083] Exemplarily, in actual use, for example, a preset threshold value of the optical power change amount can be set. For example, taking the preset threshold value as ΔP, this preset threshold value can be a preset known quantity. For example, this preset threshold value can be the detection threshold value of the optical power change amount that the detector can identify. By comparing the optical power change amount with the preset threshold value, the feedback adjustment of the bending amount of the optical fiber 101 can be realized. For example, when the change amount of the optical power is less than the preset threshold value, the moving displacement of the optical fiber 101 in the first direction can be increased, and the optical fiber 101 can be continuously bent to increase the bending amount of the optical fiber 101.

[0084] When the change amount of the optical power is equal to the preset threshold value, the driving of the optical fiber 101 to move can be stopped to stop continuously bending the optical fiber 101. In this way, the optical signal generates a periodic optical signal with a certain (such as the preset threshold value ΔP) and periodic change in optical power after being transmitted through the part of the optical fiber 101 clamped by the optical fiber identifier 10. That is, regardless of the optical fiber wire diameter, optical signal wavelength, etc., the optical fiber identifier 10 can generate a periodic optical signal with a certain optical power change amount for the detector to identify and detect, realizing the identification of the optical fiber, and being applicable to optical fibers with different wire diameters and optical signal wavelengths.

[0085] Exemplarily, the bending structure 11 can have a clamping position (not shown in the figure), and the bending structure 11 can realize detachable clamping assembly with the optical fiber 101 through the clamping position.

[0086] In the embodiment of the present application, the structure of the clamping position is not limited, and it can be selected and set according to actual needs. For example, the clamping position can be a groove on the bending structure, and the optical fiber 101 can be accommodated and clamped in the groove. Or, two protrusions can be provided on one surface of the bending structure, and there can be a gap between the two protrusions to form a clamping position, and the optical fiber 101 can be accommodated and clamped in the gap between the two protrusions. Or, in some examples, the clamping position can also be a clamping member provided on one surface of the bending structure, etc.

[0087] It can be understood that the clamping position clamps the optical fiber 101, and the bending structure 11 drives part of the optical fiber 101 to move along the first direction through the clamping position, so that the optical fiber 101 is bent, such as forming a first macrobend 110, and the first macrobend 110 has an inflection point, such as Figure 3 The turning point O in the middle.

[0088] Continue to see Figure 3 As shown, the optical fiber identifier 10 may further include a first detection element 13, which is used to detect the optical signal in the optical fiber 101. For example, the first detection element 13 may include a photoelectric detector (PD for short) which can detect the power of the optical signal.

[0089] Along the transmission direction (x direction) of the optical signal, the first detection member 13 may be located on the side of the clamping position away from the vibration structure 12. For example, the clamping position may have an inflection zone, which may correspond to the inflection of the bent portion of the optical fiber after the optical fiber is bent by the bending structure 11 (such as at least partially overlapping the projection in the direction perpendicular to the transmission direction and the plane where the first direction is located). The first detection member 13 may be located on the side of the inflection zone that is farther away from the vibration structure 12. When the optical fiber 101 is bent by the bending structure 11, such as forming the first macrobend 110, as shown in FIG. Figure 3 As shown, the first detection element 13 is located at the side of the inflection point O of the first macrobend 110 away from the vibration structure 12, so that the first detection element 13 can detect the power of the optical signal after being transmitted through the bending and inflecting part of the optical fiber 101.

[0090] The first detection member 13 can move along the first direction, such as the bending structure 11 can drive the first detection member 13 to move along the first direction. That is, when the bending structure 11 drives part of the optical fiber 101 to move along the first direction to bend the optical fiber 101, the first detection member 13 also moves along the first direction, and detects the change of the optical power in the optical fiber 101 during the bending process of the optical fiber 101, that is, the optical power is detected while the optical fiber 101 is bent, so as to detect the dissipated optical power caused by the bending of the optical fiber 101.

[0091] In this way, the power of the optical signal in each bending state during the bending process of the optical fiber 101 can be detected by the first detection element 13, that is, the change of the optical power during the bending process can be detected, and then the change of the optical power between the bending states during the bending process can be obtained. According to the optical power detected by the first detection element 13, the bending of the optical fiber 101 can be adjusted in turn, so as to realize feedback adjustment of the bending amount of the optical fiber 101.

[0092] It is understandable that before the optical fiber identifier 10 applies vibration and bending to the optical fiber 101, the optical signal has a stable optical power. After the optical fiber identifier 10 applies vibration and bending to the optical fiber 101, for example, when the optical power detected by the first detection member 13 is less than the preset threshold value of the optical power change amount, the moving displacement of the optical fiber 101 in the first direction can be increased, and the optical fiber 101 can be continuously bent to increase the bending amount of the optical fiber 101.

[0093] When the optical power detected by the first detection member 13 is equal to the preset threshold value, the driving of the optical fiber 101 to move can be stopped to stop continuously bending the optical fiber 101. In this way, the optical signal generates an optical signal with a certain (such as the preset threshold value ΔP) and periodically changing optical power change amount after being transmitted through the part of the optical fiber 101 clamped by the optical fiber identifier 10.

[0094] Using the optical power detected by the first detection member 13 to feedback and adjust the bending amount of the optical fiber 101, different bending amounts can be automatically adjusted correspondingly without knowing the wire diameter of the optical fiber 101, the wavelength of the optical signal, etc., ensuring that the detector can detect a stable and periodically changing optical signal and avoiding the risk of interrupting services due to excessive bending loss.

[0095] Figure 4 For Figure 3 the schematic assembly diagram of the optical fiber identifier and the optical fiber when the optical fiber identifier is in the initial state. Figure 5 For Figure 4 the schematic diagram of the change in the optical power detected by the optical fiber identifier in

[0096] For example, as shown in Figure 4 when the optical fiber identifier 10 is in the initial state, the optical fiber 101 is in a natural flat state, and the optical fiber identifier 10 only clamps and assembles with the optical fiber 101, and the bending structure 11 and the vibration structure 12 do not drive the optical fiber 101 to move. Combining with Figure 5 as shown, at this time, the power of the optical signal in the optical fiber 101 detected by the first detection member 13 is a stable power, and the optical power is basically unchanged.

[0097] When the optical fiber identifier 10 is in the startup state, the bending structure 11 and the vibration structure 12 are started. The bending structure 11 starts to drive the clamped part of the optical fiber 101 to move in the first direction, and the vibration structure 12 starts to drive the optical fiber 101 to vibrate in the first direction.

[0098] Figure 6 For Figure 3 the schematic assembly diagram of the optical fiber identifier and the optical fiber when the optical fiber identifier is in the micro-bending state. Figure 7 For Figure 6 the schematic diagram of the change in the optical power detected by the optical fiber identifier in

[0099] See Figure 6As shown, when the optical fiber identifier 10 is in a micro-bent state, the bending structure 11 bends the optical fiber 101, causing the optical fiber 101 to be in a micro-bent state, forming at least one micro-bend. Among them, Figure 6 The example shown in [reference] is that the optical fiber identifier 10 causes the optical fiber 101 to form two micro-bends.

[0100] Compared with when the optical fiber identifier 10 is in the initial state, when the optical fiber identifier 10 is in the micro-bent state, combined with Figure 7 As shown, the optical power changes slightly, and the power of the optical signal in the optical fiber 101 detected by the first detector 13 decreases.

[0101] Taking the optical power detected by the first detector 13 as P as an example, when the optical power P detected by the first detector 13 is less than the preset threshold ΔP, the bending structure 11 can drive a part of the optical fiber 101 to continue to move in the first direction (y direction), increasing the bending amount of the optical fiber 101 and the change amount of the optical power.

[0102] Figure 8 For Figure 3 the schematic assembly diagram of the optical fiber identifier in [reference] when it is in the macro-bent state and the optical fiber, Figure 9 For Figure 8 the schematic diagram of the change in the optical power detected by the optical fiber identifier in [reference].

[0103] As shown in [reference], Figure 8 when the optical fiber identifier 10 is in the macro-bent state, the bending structure 11 bends the optical fiber 101 to form at least one first macro-bend 110 with a larger bending amount. Among them, Figure 8 The example shown in [reference] is that the bending structure 11 bends the optical fiber 101 to form two macro-bends with larger bending amounts, namely the first macro-bend 110 and the second macro-bend 120.

[0104] Combined with Figure 9 As shown, when the optical power P detected by the first detector 13 is equal to the preset threshold ΔP at this time, the bending structure 11 can be controlled to stop working, and the optical fiber 101 stops bending continuously. The vibration structure 12 applies vibration modulation to the bent optical fiber 101, causing the optical signal to generate an optical signal with a periodically changing optical power change amount of ΔP after being transmitted through the part of the optical fiber 101 clamped by the optical fiber identifier 10. The detector detects and identifies the periodic optical signal, and the matching of the optical fiber 101 is completed.

[0105] See Figure 8 As shown in [reference], the optical fiber identifier 10 may further include a second detector 14, and the second detector 14 is used to detect the optical signal in the optical fiber 101. For example, the second detector 14 may include a photodetector and can realize the detection of the optical power. Among them, the structures, types, etc. of the second detector 14 and the first detector 13 may be the same.

[0106] In the transmission direction of the optical signal (x-direction), the second detecting member 14 and the first detecting member 13 are respectively located on both sides of the clamping position. For example, the first detecting member 13 and the second detecting member 14 can be respectively located on both sides of the bent area of the clamping position. The first detecting member 13 can be farther away from the vibration structure 12, and the second detecting member 14 can be closer to the vibration structure 12. As Figure 8 shown, when the optical fiber 101 is bent by the bending structure 11, such as forming the first macro-bend 110, the second detecting member 14 and the first detecting member 13 can be located on both sides of the kink O of the first macro-bend 110, that is, the second detecting member 14 and the first detecting member 13 are respectively located at the front (the side closer to the vibration structure 12) and the rear (the side farther away from the vibration structure 12) positions of the kink of the bent optical fiber 101.

[0107] The second detecting member 14 can also move along the first direction. For example, the bending structure 11 can drive the second detecting member 14 to move along the first direction. While the bending structure 11 bends the optical fiber 101, the second detecting member 14 can detect the power of the optical signal in the optical fiber 101.

[0108] The first detecting member 13 and the second detecting member 14 detect and identify the optical signal in the optical fiber 101, which can be used to determine whether the optical fiber 101 is an in-line optical fiber or a dark optical fiber. For example, if the first detecting member 13 and the second detecting member 14 can detect the optical power in the optical fiber 101, there is an optical signal in the optical fiber 101, and the optical fiber 101 is an in-line optical fiber. If the first detecting member 13 and the second detecting member 14 cannot detect the optical power in the optical fiber 101, there is no optical signal in the optical fiber 101, and the optical fiber 101 is a dark optical fiber.

[0109] The first detecting member 13 and the second detecting member 14 are also used to detect and identify the transmission direction of the optical signal in the optical fiber 101. That is, according to the optical power detected by the first detecting member 13 and the second detecting member 14, the transmission direction of the optical signal in the optical fiber 101 can be determined, so that the optical fiber identifier 10 can be correctly clamped with the optical fiber 101 to realize the detection and identification of the optical fiber 101.

[0110] Exemplarily, when detecting and identifying the transmission direction of the optical signal in the optical fiber 101, the bending structure 11 can be driven to move a part of the optical fiber 101 to bend the optical fiber 101, and the second detecting member 14 and the first detecting member 13 are respectively located at the front and rear positions of the kink of the bent optical fiber 101. For example, Figure 6 when the optical fiber identifier 10 and the optical fiber 101 are in a micro-bent state, the second detecting member 14 and the first detecting member 13 are respectively located at the front and rear positions of the kink O1 of the micro-bend. The optical fiber will leak light due to bending at the kink. When the transmission direction of the optical signal is Figure 6When the optical power detected by the first detector 13 is less than the optical power detected by the second detector 14 in the x - direction shown in the figure, the vibration structure 12 and the bending structure 11 of the optical fiber identifier 10 are arranged in sequence along the transmission direction. The clamping direction of the optical fiber identifier 10 and the optical fiber 101 is correct, and the clamping method of the optical fiber identifier 10 and the optical fiber 101 is correct.

[0111] On the contrary, when the optical signal transmission direction is opposite to the Figure 6 x - direction shown in the figure, the optical power detected by the second detector 14 is less than the optical power detected by the first detector 13. The clamping direction of the optical fiber identifier 10 and the optical fiber 101 is incorrect, and the clamping method of the optical fiber identifier 10 and the optical fiber 101 is inaccurate. The optical fiber identifier 10 and the optical fiber 101 can be separated, the optical fiber identifier 10 can be flipped, and the optical fiber identifier 10 and the optical fiber 101 can be clamped again, and the vibration structure 12 and the bending structure 11 are arranged in sequence along the transmission direction to ensure that the clamping direction of the optical fiber identifier 10 and the optical fiber 101 is correct.

[0112] It should be noted that after the optical fiber identifier 10 and the optical fiber 101 are clamped, the optical fiber identifier 10 can first identify and detect whether there is an optical signal on the optical fiber 101, that is, determine whether the optical fiber 101 is an in - line optical fiber or a dark optical fiber. When the optical fiber 101 is a dark optical fiber, methods such as red - light irradiation can be used to identify the two end ports of the optical fiber 101.

[0113] When the optical fiber 101 is an in - line optical fiber, the optical fiber identifier 10 can detect and identify the transmission direction of the optical signal on the optical fiber 101. According to the detected optical signal transmission direction, the clamping direction of the optical fiber identifier 10 and the optical fiber 101 can be adjusted so that the vibration structure 12 and the bending structure 11 of the optical fiber identifier 10 are arranged in sequence along the optical signal transmission direction, ensuring that the clamping method of the optical fiber identifier 10 and the optical fiber 101 is correct, and the optical signal in the optical fiber 101 first passes through the vibration structure 12 and then through the bending structure 11.

[0114] After the optical fiber identifier 10 and the optical fiber 101 are accurately clamped, the optical fiber identifier 10 bends and vibrates the optical fiber 101, so that the optical signal generates a modulated optical signal with a certain and periodically changing optical power change amount after passing through the part of the optical fiber 101 clamped by the optical fiber identifier 10, for the detector to identify and detect, and complete the matching of the two end ports of the optical fiber 101.

[0115] Exemplarily, referring to Figure 8 as shown, the bending structure 11 may include a first driving member 111 and a connecting rod 112. One end of the connecting rod 112 may be connected to the first driving member 111, and a clamping position (not shown in the figure) may be provided at the other end of the connecting rod 112. The bending structure 11 can be clamped and assembled with the optical fiber 101 through the connecting rod 112.

[0116] The first driving member 111 can drive the connecting rod 112 to move in the first direction. For example, it can make the other end of the connecting rod 112 move in the first direction away from the first driving member 111. The clamping part of the other end of the connecting rod 112 moves the optical fiber 101 in the first direction away from the first driving member 111, so that the optical fiber 101 is bent and a first macro-bend is formed. The structural design is simple and easy to implement, and it is beneficial to reduce the design difficulty and manufacturing cost.

[0117] Among them, the first driving member 111 can be a driving motor. Exemplarily, the first driving member 111 can be a stepping motor, which can step-drive the connecting rod 112 to move at a predetermined speed, and then bend the optical fiber 101. It can facilitate the control of the displacement of the connecting rod 112 and the optical fiber 101 clamped by the connecting rod 112, and facilitate the feedback adjustment of the bending amount of the optical fiber 101 through the bending structure 11.

[0118] The first detecting member 13 and the second detecting member 14 can also be arranged at the other end of the connecting rod 112. Exemplarily, along the transmission direction of the optical signal, the first detecting member 13 and the second detecting member 14 can be respectively arranged on both sides of the clamping position. For example, the first detecting member 13 and the second detecting member 14 can be symmetrically arranged on both sides of the clamping position. The second detecting member 14 is closer to the vibration structure 12, and the first detecting member 13 is farther from the vibration structure 12.

[0119] In some examples, the bending structure 11 can further include a lever member 113. One end of the lever member 113 is connected to one end of the connecting rod 112, and the other end of the lever member 113 is used to clamp the optical fiber 101. For example, there can be a clamping position (not shown in the figure) at the other end of the lever member 113, and the other end of the lever member 113 can be clamped and assembled with the optical fiber 101 through the clamping position on the lever member 113. The middle position of the lever member 113 can be assembled in a rotatable manner, so that both ends of the lever member 113 can rotate.

[0120] For the structural design of the clamping position at the other end of the lever member 113, reference can be made to the structural design of the clamping position on the bending structure 11, which will not be elaborated here.

[0121] The first driving member 111 drives the connecting rod 112 to move along the first direction (y direction), for example, to move away from the first driving member 111 along the first direction. The connecting rod 112 drives one end of the lever member 113 to move away from the first driving member 111 along the first direction, and the other end of the lever member 113 will move in the opposite direction. The other end of the lever member 113 can move towards the first driving member 111 along the first direction. The other end of the lever member 113 drives the clamped part of the optical fiber 101 to move in the opposite direction, bending this part of the optical fiber 101 to form a second macro-bend 120 in the optical fiber 101. That is, through the bending structure 11, the optical fiber 101 can be bent and two macro-bends can be constructed. The first macro-bend 110 is farther away from the vibration structure 12, and the second macro-bend 120 is closer to the vibration structure 12. The bending directions of the first macro-bend 110 and the second macro-bend 120 can be opposite.

[0122] The first detecting member 13 is located on the side of the clamping position away from the vibration structure 12, and the first detecting member 13 detects the power of the optical signal after passing through the two macro-bends. The second detecting member 14 is located on the side of the kink of the first macro-bend 110 close to the vibration structure 12. Two macro-bends are formed on the optical fiber 101, so that the change amount of the optical power of the optical signal after passing through the two macro-bends is relatively large, which is convenient for identification and detection and helps to further reduce the risk of misjudgment.

[0123] When adjusting the bending amount of the optical fiber 101, the first driving member 111 drives the connecting rod 112 to move away from the first driving member 111 along the first direction. The other end of the connecting rod 112 drives the clamped part of the optical fiber 101 to move away from the first driving member 111. The other end of the lever member 113 drives the clamped part of the optical fiber 101 to move towards the first driving member 111, increasing the bending amount of the optical fiber 101. The bending degrees of the first macro-bend 110 and the second macro-bend 120 increase, and the amplitude of the optical fiber 101 increases.

[0124] Through the design of the lever member 113, the bending structure 11 can bend the optical fiber 101 to form two macro-bends under the action of one first driving member 111. The structure design is simple, convenient for molding and implementation, and also convenient for the distribution of the bending structure 11 and the vibration structure 12.

[0125] Alternatively, in some examples, the connecting rod 112 may not be clamped to the optical fiber 101. For example, a clamping position may not be provided at the other end of the connecting rod 112 away from the first driving member 111, and a clamping position for assembling with the optical fiber 101 may be provided at the end of the lever member 113 connected to the connecting rod 112. The first driving member 111 drives the connecting rod 112 to move, the connecting rod 112 drives the lever member 113 to rotate, and one end of the lever member 113 drives the clamped part of the optical fiber 101 to move to bend the optical fiber 101, forming the first macro-bend 110. The other end of the lever member 113 drives the clamped part of the optical fiber 101 to move and bend, forming the second macro-bend 120.

[0126] Figure 10 Another schematic diagram of the assembly of the optical fiber identifier and the optical fiber provided by the embodiment of the present application.

[0127] Alternatively, in some examples, the bending structure 11 can bend the optical fiber 101 to form only one macro-bend. Refer to Figure 10 As shown, for example, the bending structure 11 can only include the first driving member 111 and the connecting rod 112. Simplifying the structural design of the bending structure 11 is beneficial to reducing the complexity of the structural design of the entire optical fiber identifier 10, facilitating the miniaturization of the optical fiber identifier 10, and being convenient for carrying and holding.

[0128] One end of the connecting rod 112 is connected to the first driving member 111, and the other end of the connecting rod 112 clamps the optical fiber 101. The first driving member 111 drives the connecting rod 112 to move in the first direction, such as driving the connecting rod 112 to move away from the first driving member 111 in the first direction. The other end of the connecting rod 112 drives the clamped part of the optical fiber 101 to move away from the first driving member 111, causing the optical fiber 101 to bend and the optical fiber 101 to form a first macro-bend 110. The first detecting member 13 and the second detecting member 14 can be respectively located on both sides of the clamping position at the other end of the connecting rod 112.

[0129] When adjusting the bending amount of the optical fiber 101, the first driving member 111 drives the connecting rod 112 to move away from the first driving member 111 in the first direction. The connecting rod 112 drives the clamped part of the optical fiber 101 to move away from the first driving member 111. The movement of the connecting rod 112 increases the bending amount of the optical fiber 101, the bending degree of the first macro-bend 110 intensifies, and the amplitude of the optical fiber 101 increases.

[0130] Continue to refer to Figure 10 As shown, exemplarily, the vibration structure 12 can include a second driving member 121 and a sliding member 122. The sliding member 122 can be connected to the second driving member 121, and the sliding member 122 can clamp the optical fiber 101. For example, the sliding member 122 can also have a clamping position, and the sliding member 122 is clamped and assembled with the optical fiber 101 through the clamping position. The structural design of the clamping position on the sliding member 122 can refer to the structural design of the clamping position on the bending structure 11, which will not be elaborated here.

[0131] The second driving member 121 can drive the sliding member 122 to reciprocate in the first direction. The sliding member 122 drives the clamped part of the optical fiber 101 to reciprocate in the first direction, thereby driving the optical fiber 101 to vibrate reciprocally in the first direction. The structural design is simple and easy to implement, which is beneficial to reducing the design difficulty and manufacturing cost.

[0132] Exemplarily, the second driving member 121 can be a driving motor, which can drive the optical fiber 101 to vibrate at a high frequency and a fixed frequency, so that the optical fiber identifier 10 can generate an optical signal with a high-frequency periodic change. Using the high-frequency periodic optical signal as the identification and judgment basis of the detector can effectively avoid misjudgment.

[0133] Among them, the second driving member 121 can output a rotational driving force. The vibration structure can further include a transmission member (not shown in the figure). The second driving member can be connected to the sliding member 122 through the transmission member. The transmission member can convert the rotational driving force of the second driving member 121 into a horizontal driving force in the first direction, and then drive the sliding member 122 to vibrate reciprocally in the first direction, which is convenient for realizing the structural design of the sliding member 122 to vibrate reciprocally in the first direction. Exemplarily, the transmission member can be a gear assembly, a turbine assembly, etc. It can be understood that compared with adjusting the bending amount of the optical fiber by adjusting the amplitude of the vibration structure, adjusting the bending amount of the optical fiber by the bending structure is beneficial to simplifying the design difficulty of the transmission member and the sliding member, reducing the structural design difficulty of the entire optical fiber identifier, and facilitating reducing the size of the optical fiber identifier.

[0134] The optical fiber identifier 10 is clamped at one end of the optical fiber 101, and the detector is clamped at the other end of the optical fiber 101 to realize the communication between the two. The optical fiber identifier 10 can further include a communication module 15 (refer to Figure 2 as shown). The communication module 15 can be communicatively connected to the detector clamped at the other end of the optical fiber. For example, the detector can also include a communication module, and the communication module 15 of the optical fiber identifier 10 can be communicatively connected to the communication module of the detector to realize the communication between the optical fiber identifier 10 and the detector.

[0135] The detector can report the detection and identification result to the optical fiber identifier 10. When the optical fiber identifier 10 and the detector are respectively arranged at two equipment sides of the communication system at a distance, without relying on a third-party software and hardware structure, the optical fiber identifier 10 can directly obtain the detection result (such as port information, etc.) reported by the detector, and the operation is convenient.

[0136] Among them, the detection result can include the port information of the optical fiber, such as the optical fiber port serial number, etc. Exemplarily, the detector is clamped on the optical fiber, and the corresponding relationship between the detector and the optical fiber can be obtained, such as the corresponding relationship between the detector serial number and the optical fiber port serial number. When the detector detects a periodic optical signal, it can report the corresponding optical fiber port serial number to the optical fiber identifier 10. Or, the detection result can also include detector information, such as the detector serial number. The detector reports the detector serial number to the optical fiber identifier 10, and according to the corresponding relationship between the detector serial number and the optical fiber port serial number, the optical fiber port serial number can be obtained. Of course, in some examples, the detection result can include both the port information of the optical fiber and the detector information.

[0137] For example, after the optical signal at one end of a certain optical fiber 101 is transmitted through the part of the optical fiber clamped by the optical fiber identifier 10, an optical signal with a certain and periodically changing power variation is generated. When the detector at the other end of the optical fiber 101 detects this periodically changing optical signal, it can report the corresponding port information of the optical fiber 101, etc. to the optical fiber identifier 10, such as reporting the port serial number of the optical fiber 101. The optical fiber 101 can be connected to the corresponding coordination port on the device according to the port information received by the optical fiber identifier 10.

[0138] Among them, the communication module 15 can include a wireless communication module. For example, it can be a Bluetooth communication module, a wireless fidelity (WIFI) communication module, etc.

[0139] The optical fiber identifier 10 can also include a display screen 16, and the display screen 16 is used to display the detection result, such as displaying port information such as the optical fiber port serial number reported by the detector.

[0140] The optical fiber identifier 10 can also include a control unit (not shown in the figure). The display screen 16 and the communication module 15 can be electrically connected to the control unit respectively. When the communication module 15 receives the port information, etc. reported by the detector, it can be transmitted to the control unit. After being processed by the control unit, etc., the port information, etc. is transmitted to the display screen 16 to realize the display of the port information, etc.

[0141] The bending structure 11, the vibration structure 12, the first detection member 13 and the second detection member 14 can also be electrically connected to the control unit respectively. For example, the first driving member 111 of the bending structure 11 and the second driving member 121 of the vibration structure 12 can be electrically connected to the control unit respectively. When realizing the feedback adjustment of the bending amount of the optical fiber 101, the optical power detected by the first detection member 13 can be sent to the control unit, and the control unit can control the bending structure 11 to drive the connecting rod 112 and part of the optical fiber 101 to move in the first direction according to the detected optical power and the preset threshold value to adjust the bending amount of the optical fiber 101.

[0142] The optical power detected by the second detection member 14 can also be sent to the control unit. The control unit can judge whether there is an optical signal in the optical fiber 101 according to the optical power detected by the first detection member 13 and the second detection member 14, and can send the judgment result to the display screen 16 for display.

[0143] The control unit can also judge the transmission direction of the optical signal in the optical fiber 101 according to the optical power detected by the first detection member 13 and the second detection member 14, and then judge whether the clamping direction of the optical fiber identifier 10 and the optical fiber 101 is correct, and can send the judgment result to the display screen 16 for display.

[0144] The optical fiber identifier 10 may further include a battery 18, which can supply power to the control unit, the communication module 15, the display screen 16, the first driving member 111, the second driving member 121, the first detecting member 13, the second detecting member 14, etc. This enables the optical fiber identifier 10 to move freely, realizing the handheld operation of the optical fiber identifier 10 and eliminating the constraint of power supply cables.

[0145] The detector may also include a battery, enabling the detector to move freely and facilitating the handheld operation of the detector.

[0146] The optical fiber identifier 10 may further include a housing 10a and a housing cover 10b (as shown in Figure 3 ), and an accommodation cavity (not shown in the figure) may be provided inside the housing 10a. The bending structure, the vibration structure, the first detecting member, and the second detecting member may be disposed in the accommodation cavity. The battery, the communication module, the control unit, etc. may also be located in the accommodation cavity, and the display screen may be disposed on one surface of the housing 10a or the housing cover 10b.

[0147] Exemplarily, at least two guiding portions may be provided on the housing 10a, and the connecting rod and the sliding member may respectively have cooperating portions that cooperate with the guiding portions. For example, the guiding portion may be a guiding groove, and the cooperating portion may be a convex structure. The guiding portion may extend in the first direction, and the cooperating portion may slide along the guiding portion, enabling the connecting rod and the sliding member to slide along the guiding portion through the cooperating portions respectively. The guiding portion may play a guiding and limiting role for the connecting rod and the sliding member, ensuring that the connecting rod and the sliding member slide in the first direction.

[0148] An opening (not shown in the figure) may be provided on the housing 10a, and the opening communicates with the accommodation cavity. For example, an opening may be provided on one surface of the housing 10a, and this opening may expose the clamping positions on the bending structure and the vibration structure, so as to facilitate the clamping of the optical fiber 101 by the optical fiber identifier 10.

[0149] The housing cover 10b is assembled on the housing 10a, and the housing cover 10b can cover the opening on the housing 10a. For example, one end of the housing cover 10b may be rotatably connected to the housing 10a, enabling one end of the housing cover 10b to be rotatably assembled with the housing 10a, and the other end of the housing cover 10b may be rotatable relative to the housing 10a, that is, the housing cover 10b may be a flip-type housing cover. The other end of the housing cover 10b may rotate towards the opening on the housing 10a, enabling the housing cover 10b to cover the opening on the housing 10a. At this time, the optical fiber 101 may be clamped between the housing 10a and the housing cover 10b.

[0150] The other end of the housing cover 10b may also rotate away from the housing 10a, separating the housing cover 10b from the opening, facilitating the removal of the optical fiber 101 and realizing the convenient clamping and taking of the optical fiber 101.

[0151] Among them, the housing cover 10b can be a light-shielding housing cover. The clamping positions of the bending structure and the vibration structure can be located at corresponding positions of the opening. The housing cover 10b can completely cover the opening, clamp the optical fiber 101 within the clamping position, and be located between the housing cover 10b and the housing 10a. The light-shielding housing cover 10b can play a role in shielding the optical fiber 101 clamped between the housing cover 10b and the housing 10a, eliminating the influence of ambient light on the detection of the optical signal in this part of the clamped optical fiber 101.

[0152] In some examples, the housing can also have one or more clamping positions to facilitate better clamping and fixing of the optical fiber 101, and also facilitate the bending structure 11 to bend the optical fiber 101. For the structural design of the clamping positions on the housing, reference can be made to the structural design of the clamping positions on the bending structure 11, which will not be elaborated here.

[0153] The optical fiber identifier 10 can also include an operation button 17. The operation button 17 can be a mechanical button. For example, the operation button 17 can be arranged on the housing. Or the operation button 17 can also be a virtual button. For example, the operation button 17 can be a virtual button displayed on the display screen 16.

[0154] The operation button 17 can be connected to the control unit. The operation button 17 can be used to recognize the user's operation gesture and send signals such as the recognized operation gesture to the control unit. The control unit can control the start and stop of the bending structure 11 and the vibration structure 12 according to this operation gesture and other information.

[0155] For example, when the operation button 17 is pressed, after the operation button 17 recognizes the pressing information, it is sent to the control unit. The control unit controls the first driving member 111 of the bending structure 11 and the second driving member 121 of the vibration structure 12 to start, causing the optical fiber 101 to bend and vibrate. Until the optical power detected by the first detecting member 13 is equal to the preset threshold value, the first driving member 111 is automatically feedback-controlled to stop working, and the bending of the optical fiber 101 stops. When the control unit receives the port information reported by the detector, etc., the second driving member 121 is controlled to stop working.

[0156] Or, the first driving member 111 can also be controlled to stop working and the bending of the optical fiber 101 can be stopped by long-pressing the operation button 17. After the operation button 17 recognizes the pressing information, it is sent to the control unit.

[0157] In some examples, the optical fiber identifier 10 can also include a filtering structure (not shown in the figure). By means of the filtering structure, a filtering effect is achieved, enabling a light signal of a specific wavelength to pass through the optical fiber identifier 10 and then modulate to generate a preset threshold value of the optical power change amount and a periodically changing light signal. The detector detects and recognizes the optical power change amount of this specific wavelength light signal, improving the detection and recognition accuracy, and can also be applicable to the optical fiber 101 including multiple different wavelength light signals.

[0158] Taking the optical fiber identifier 10 as an example Figure 7 shown in the figure, the optical fiber identifier 10 that can form the first macro bend 110 and the second macro bend 120 is taken as an example to illustrate the optical fiber 101 identification test process.

[0159] Figure 11 For Figure 7 the schematic diagram of the test process for the optical fiber identifier to identify and detect the optical fiber.

[0160] Refer to Figure 11 As shown, first, the optical fiber identifier holds a certain optical fiber, presses the operation button, and starts the first driving member of the bending structure and the second driving member of the vibration structure. The optical fiber bends and vibrates. The first detection member and the second detection member detect whether there is an optical signal in the optical fiber. If no optical signal can be detected and there is no optical signal in the optical fiber, it is determined that the optical fiber is a dark optical fiber. The optical fiber identifier can be reset. For example, the first driving member drives the connecting rod to return to the initial state position, and the second driving member drives the sliding member to return to the initial state position. After resetting, the first driving member and the second driving member stop working, and the optical fiber returns to the natural flat state. The optical fiber is separated from the optical fiber identifier and the optical fiber is released. A laser pen can be connected to the optical fiber and matched by modulating red light.

[0161] If an optical signal is detected in the optical fiber, the transmission direction of the optical signal in the optical fiber is judged according to the optical signals detected by the first detection member and the second detection member. According to the transmission direction of the optical signal, it is judged whether the clamping direction of the optical fiber identifier and the optical fiber is correct. If the optical power of the second detection member is less than the optical power of the first detection member and the vibration structure and the bending structure are distributed in sequence in the transmission direction of the optical signal, the clamping direction of the optical fiber identifier and the optical fiber is correct.

[0162] If the optical power of the first detection member is less than the optical power of the second detection member and the bending structure and the vibration structure are distributed in sequence in the transmission direction of the optical signal, the clamping direction of the optical fiber identifier and the optical fiber is incorrect. The bending structure and the vibration structure can be reset and stopped working. The optical fiber returns to the natural flat state. The optical fiber is separated from the optical fiber identifier and the optical fiber is released. The optical fiber identifier can also display the judgment result to prompt the user to clamp the optical fiber in the reverse direction. After clamping the optical fiber in the reverse direction, the first driving member and the second driving member can be started again by pressing the operation button to detect whether there is an optical signal in the optical fiber and whether the clamping direction of the optical fiber is correct.

[0163] After the direction in which the fiber optic identifier holds the optical fiber is correct, the first driving member and the second driving member operate to apply vibration modulation to the bent optical fiber, and determine whether the optical power detected by the first detecting member reaches a preset threshold value, so as to realize the feedback adjustment of the bending amount of the optical fiber. If the preset threshold value is not reached, the first driving member and the second driving member continue to operate to further bend the optical fiber and increase the bending amount of the optical fiber until the optical power detected by the first detecting member reaches the preset threshold value, and the first driving member (bending structure) stops operating and stops bending the optical fiber.

[0164] The detector on the optical fiber detects the periodic optical signal generated after passing through the fiber optic identifier, and reports the port information corresponding to the optical fiber and the like to the fiber optic identifier, that is, the matching of the two ends of the optical fiber is completed, and the second driving member (vibration structure) stops operating, and the fiber optic identifier resets.

[0165] Among them, in an optical fiber identification system, the ratio of the number of detectors to the number of fiber optic identifiers can be a positive integer greater than 1. The number of fiber optic identifiers can be one, and the number of detectors can be multiple. Multiple detectors can be independently arranged at the other end of each optical fiber. For example, multiple detectors can adopt a one-to-one correspondence relationship and respectively correspond to holding the other ends of all optical fibers. Using one fiber optic identifier to traverse one end of each optical fiber respectively, the detectors at the other end of the optical fiber correspond to identifying the periodically changing optical signal and reporting it to the fiber optic identifier, so as to realize the matching of each optical fiber, without repeatedly clamping and replacing the detector and the optical fiber, and having a high optical fiber searching efficiency.

[0166] For example, there is one fiber optic identifier on the side of the first optical fiber rack, and one detector is independently distributed on each of all the optical fibers on the side of the second optical fiber rack. For example, the ratio of the number of fiber optic identifiers to the number of detectors can be 1:6N, where N is a positive integer. On the side of the first optical fiber rack, when using the fiber optic identifier to traverse each optical fiber respectively, the detectors on each optical fiber on the side of the second optical fiber rack correspond to identifying the periodic optical signal and reporting the port information and the like to the fiber optic identifier, without repeatedly replacing the detector and the optical fiber.

[0167] In the description of the embodiments of the present application, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, or an indirect connection through an intermediate medium, and can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific situations. The terms "first", "second", "third", "fourth", etc. (if any) are used to distinguish similar objects and do not have to be used to describe a specific order or sequence.

[0168] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the embodiments of the present application, rather than to limit them; although the embodiments of the present application have been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. An optical fiber identifier for clamping onto one end of an optical fiber, characterized in that, Comprising: A vibration structure for clamping with the optical fiber, the vibration structure being configured to drive the optical fiber to reciprocate in a first direction; A bending structure for clamping with the optical fiber, and the vibration structure and the bending structure are sequentially distributed along the transmission direction of the optical signal on the optical fiber. The bending structure drives a part of the optical fiber to move in the first direction to bend the optical fiber, so that the optical fiber forms at least a first macro-bend.

2. The optical fiber identifier according to claim 1, characterized in that, The bending structure has a clamping position for clamping the optical fiber; The optical fiber identifier further includes a first detection member that is movable in the first direction. Along the transmission direction of the optical signal, the first detection member is located on a side of the clamping position away from the vibration structure, and the first detection member is configured to detect the optical signal in the optical fiber; The bending structure is further configured to adjust the displacement of a part of the optical fiber moving in the first direction according to the optical signal detected by the first detection member.

3. The optical fiber identifier according to claim 2, characterized in that, It further includes a second detection member that is movable in the first direction; Along the transmission direction of the optical signal, the second detection member and the first detection member are respectively located on both sides of the clamping position, and the second detection member is configured to detect the optical signal in the optical fiber.

4. The optical fiber identifier according to claim 3, characterized in that, The bending structure includes a first driving member and a connecting rod. One end of the connecting rod is connected to the first driving member, and the other end of the connecting rod has the clamping position. The first driving member is configured to drive the connecting rod to move in the first direction; The first detection member and the second detection member are respectively disposed on the other end of the connecting rod.

5. The optical fiber identifier according to claim 4, characterized in that, The bending structure further includes a rotatable lever member. One end of the lever member is connected to one end of the connecting rod, and the other end of the lever member is configured to clamp the optical fiber; The connecting rod moves in the first direction to drive the other end of the lever member to move in the opposite direction to bend the optical fiber, so that the optical fiber forms a second macro-bend.

6. The optical fiber identifier according to any one of claims 1-5, characterized in that, The vibration structure includes a second driving member and a sliding member. The sliding member is configured to clamp the optical fiber, and the second driving member is configured to drive the sliding member to move in the first direction.

7. The optical fiber identifier according to any one of claims 1-5, characterized in that, It further includes a communication module configured to communicate with a detector at the other end of the optical fiber.

8. The optical fiber identifier according to claim 7, wherein It further includes a display screen and a control unit. The bending structure, the vibration structure, the communication module, and the display screen are respectively electrically connected to the control unit.

9. The optical fiber identifier according to claim 7, wherein It further includes a housing and a light-shielding housing cover. The housing has a receiving cavity, and the bending structure and the vibration structure are disposed in the receiving cavity; The housing has an opening communicating with the receiving cavity. One end of the light-shielding housing cover is rotatably connected to the housing. The light-shielding housing cover is configured to cover the opening, and the light-shielding housing cover is configured to clamp the optical fiber together with the housing.

10. An optical fiber identification system, characterized in that, Comprising a detector and the optical fiber identifier according to any one of claims 1-9 above; The detector is configured to be clamped on the other end of the optical fiber, and the detector is configured to detect the optical signal at the other end of the optical fiber.

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