1029 results about "Optical fiber connector" patented technology

The invention relates to the technical field of health management of optical fiber communication equipment, and discloses an optical fiber connector life prediction system based on digital twinning and multi-parameter fusion, which comprises a data acquisition module, a data preprocessing module, a feature extraction module, a model construction module, a fusion analysis module and a life prediction module. According to the optical fiber connector service life prediction system based on digital twinborn and multi-parameter fusion, multi-dimensional data is formed through the data acquisition module, complete and associated data support is provided for subsequent feature extraction and service life analysis, and a digital twinborn model is constructed based on three-dimensional structure parameters and material attributes of the optical fiber connector, so that the service life of the optical fiber connector is predicted. The virtual model can accurately reflect the structural state change of a physical entity in real time, in addition, the fusion feature vector and the structural state parameter are subjected to joint analysis, a comprehensive evaluation index capable of reflecting the association of the fusion feature vector, the structural state parameter and the comprehensive evaluation index is output, an accurate multi-dimensional evaluation basis is provided for life prediction, and then the life condition of the optical fiber connector is accurately predicted.

A method of assembling an optical device including: providing a photonic integrated circuit including a plurality of vertical-coupling elements disposed along a main surface of the photonic integrated circuit; attaching an optical subassembly to the photonic integrated circuit; removably connecting a fiber connector to a ferrule frame, in which the fiber connector is attached to an array of optical fibers; aligning the ferrule frame to the optical subassembly using an active alignment process; and securely connecting the ferrule frame to the optical subassembly after the active alignment process.

An adapter to mate fiber optic ferrules to respective fiber optic ferrules in a fiber optic connector housing includes a main body having ferrule-side openings and connector-side openings to receive the fiber optic connectors. The adapter includes columns that extend between a top side and a bottom side of the main body, a plurality of triggers attached to the adapter, each of the plurality of triggers having a pair of trigger legs, the trigger legs positioned inside respective columns on opposing sides. There is also a holder extension groove oriented longitudinally in each column and configured to receive a holder extension of a fiber optic ferrule holder and a pair of ferrule stop pedestals on each column on opposite sides of each holder extension groove configured to seat the fiber optic ferrule when the fiber optic ferrule holder is fully inserted into the adapter.

The utility model discloses an optical fiber connector, which comprises a connector main body and a dustproof cap, and is characterized in that the connector main body is provided with a plugging port; the dustproof cap comprises an assembly sleeve and an elastic cover, the connector main body is adjustably sleeved with the assembly sleeve, the elastic cover is connected to one end, close to the plugging port, of the assembly sleeve, and the dustproof cap has a covering state and an opening state; when the dustproof cap is in a sealing state, the assembly sleeve is located at a first position relative to the connector main body, and the elastic cover seals the plugging port; and when the dustproof cap is in an open state, the assembly sleeve is in a second position relative to the connector main body, and the elastic cover is pressed against the connector main body, so that the plugging port is exposed. According to the scheme, the dustproof cover of the optical fiber connector switch is convenient to operate, simple in structure and low in manufacturing cost.

The invention discloses an optical fiber connector defect detection method and system based on deep learning, and belongs to the field of optical communication equipment quality detection. Aiming at the problems of insufficient feature extraction, insufficient utilization of multi-modal data, poor environmental adaptability and the like of a traditional detection method, detection is realized through a multi-modal data fusion-feature enhancement-dynamic calibration closed-loop architecture. An improved Retinex algorithm and the like are adopted for preprocessing data, features are fused through a cross-modal attention mechanism and the like, features are enhanced through YOLOv8, GAN and the like, and a threshold value is dynamically calibrated in combination with Bayesian optimization and the like. Various defects can be recognized, the detection accuracy rate is larger than or equal to 99.5%, the false alarm rate is smaller than or equal to 0.1%, full-process intelligentization of detection is achieved, and the method is suitable for high-precision defect recognition.

The invention relates to the technical field of industrial digital twinning control, and discloses an optical fiber connector production line monitoring system based on digital twinning, and the system comprises a curing unit which generates a digital accompanying bill representing the hardness trend of a product based on thermal energy integration; the grinding unit reconstructs a targeted pressure and duration process formula according to the bill before the product arrives; according to the system and the method, cross-process feed-forward control logic is constructed, mandatory constraint is carried out on machining parameters by utilizing thermal historical data, error transmission caused by dispersion of a previous process is eliminated, and the system stability is improved.

The utility model relates to the technical field of optical fiber connectors, and discloses a push-pull device for an optical fiber connector, and the device comprises a housing which is in transmission connection with an insertion core; the tail sleeve is connected with the shell through at least two crossed limiting structures, and the at least two crossed limiting structures are asymmetrically distributed in the direction perpendicular to the axial direction of the push-pull device; when the tail sleeve is pushed and pulled, the shell and the insertion core can move in the axial direction of the push-pull device, and the push-pull tail sleeve is flexible in the axial direction of the push-pull device. The asymmetrically-arranged cross limiting structures can form restraining force distributed in a staggered mode in the radial direction and the axial direction, and the inclination or torsion phenomenon caused by single-side stress of the outer shell and the tail sleeve is effectively restrained. Due to asymmetric distribution, push-pull force can be dispersed and transmitted in different directions, stress concentration or local abrasion caused by a symmetric structure is avoided, the loosening or clamping stagnation phenomenon caused by external force or improper operation is reduced, and the stability and reliability of connection between the tail sleeve and the shell are improved. The utility model further discloses an optical fiber connector.

The utility model discloses a novel longitudinal watertight optical fiber connector, which comprises a connector plug and a connector socket, the connector plug comprises a plug shell and a threaded sleeve rotationally sleeved on the outer surface of the plug shell, the outer surface of the plug shell is provided with a step block, a clamping ring is arranged between the step block and the threaded sleeve, and the clamping ring is connected with the plug shell through a connecting rod. A plug base with a pin assembly is arranged in the plug shell, a check ring is arranged between one end of the plug base and the plug shell, and a sleeve assembly is arranged at the other end of the plug base. The step block arranged on the outer surface of the plug shell can prevent the threaded sleeve from falling off in the butt joint process of the connector plug and the connector socket, and the step block can shake back and forth in cooperation with the check ring, so that the insertion and separation operation of the connector is smoother, the problem that the watertight connector is not easy to separate is solved, and the service life of the watertight connector is prolonged. And the end face of the ceramic ferrule can be cleaned conveniently.

The invention provides an MTP optical fiber connector and a connector assembly, and relates to the technical field of optical fiber connectors. Wherein the MTP optical fiber connector comprises a connector shell, an optical fiber plug, a first elastic reset structure and a protection device, an installation cavity is arranged in the connector shell, the optical fiber plug can move in the cavity, and the first elastic reset structure enables the optical fiber plug to retract when the optical fiber plug is not in butt joint. The protection device comprises a rotatable protection plate and a second elastic reset structure and seals the opening of the shell in a normal state. According to the MTP optical fiber connector, through a dual protection mechanism of automatic stretching of the optical fiber plug and dynamic closing of the protection plate, the end face of the insertion core is effectively prevented from being subjected to mechanical collision and dust pollution. The protection plate is automatically opened when the plug extends out and is automatically closed when the plug retracts back, manual intervention is not needed in the whole process, the reliability problem caused by exposure of the insertion core of a traditional connector is solved, and full-automatic protection is achieved.

The present disclosure includes a ferrule for a fiber optic connector and related connectors, methods, and assemblies. The ferrule may include a body defining an end face, a top side and a bottom side defining a height dimension of the body therebetween with a longitudinal axis of the ferrule defined perpendicular to the height dimension. The body may include an optical region defining at least one fiber-side light-permeable surface and at least one end-side light-permeable surface. The at least one end-side light-permeable surface may be defined along the end face. In some embodiments, the body may include at least one light-turn surface configured to reflect optical signals from the at least one fiber-side light-permeable surface towards the at least one end-side light-permeable surface at a nonzero angle relative to the longitudinal axis, and the optical region may be configured to at least partly focus the optical signals.

The invention relates to the technical field of optical fiber communication device detection, and provides an optical fiber connector end face 3D shape detection method and system, and the method comprises the steps: obtaining a multi-step phase shift interference image sequence of an optical fiber connector end face; performing interface segmentation on the multi-step phase shift interference image sequence by adopting a fiber core boundary detection network based on radial gradient perception to obtain interface position data; based on the interface position data and the multi-step phase shift interference image sequence, performing phase unpacking by adopting a dual-coordinate system fusion phase unpacking algorithm to obtain initial phase data; performing global reconstruction on the initial phase data by adopting a regional confidence coefficient weighted reconstruction algorithm to obtain global phase field data; performing spherical parameter fitting on the global phase field data by adopting an IEC (International Electrotechnical Commission) standard constraint hierarchical particle swarm optimization algorithm to obtain spherical geometric parameters; and generating a 3D shape detection result of the end face of the optical fiber connector according to the spherical geometric parameters. According to the invention, the precision and reliability of 3D shape detection of the end face of the optical fiber connector are improved.

A method and system for coupling hollow-core optical fibers. The fiber optic coupling system includes one or more fiber optic connectors, and each of the fiber optic connectors includes a ferrule, a hollow-core optical fiber, and one or more seals. Each ferrule includes an end face, an outer surface that defines a center axis of the ferrule, and a bore with an opening on the end face. Each hollow-core optical fiber is positioned in the bore of a respective ferrule, and each of the one or more seals are operatively coupled to the ferrule and configured to form a sealing interface that isolates the opening of the bore from an external environment when the fiber optic connector is operatively coupled to another component of the system.

Devices such as terminals comprising connection ports with associated securing features and methods for making the same are disclosed. In one embodiment, the device comprises a shell, at least one connection port, and at least one securing feature. The at least one connection port is disposed on the terminal with the at least one connection port comprising an optical connector opening extending from an outer surface of the terminal to a cavity of the terminal and defining a connection port passageway. The securing feature is associated with the connection port passageway and is biased by a resilient member having a predetermined pre-load restoring force to the retain position.

A fiber optic adapter assembly reduced in size from a SFP footprint to a SC footprint to accommodate a first fiber optic connector on a first side within one or more ports, and a second fiber optic connector on a second side within one or more ports. The first fiber optic connector is a duplex fiber optic connector with an overall length of about 50 mm and the second fiber optic connector is a behind-the-wall connector with an overall length of about 15 mm thereby reducing the overall length of a connector and adapter assembly for increasing optical fiber density.

The utility model discloses an optical assembly and an optical module, which comprise an optical fiber connector component and a wavelength division multiplexing component, a first optical component is arranged between the optical fiber connector component and the wavelength division multiplexing component, and the first optical component is used for focusing and inputting light beams output by an optical fiber head to the input end of the wavelength division multiplexing component. The output end of the wavelength division multiplexing component is provided with a second optical component used for turning the light beams output by the wavelength division multiplexing component to the receiving end. The coupler has the advantages of being simple in structure, convenient to assemble, high in coupling efficiency, small in loss and high in channel quality.

The invention relates to the technical field of optical fiber connector connection monitoring, in particular to an AI-based optical fiber connector connection reliability monitoring method and system, and the method comprises the steps: constructing a multi-mode monitoring data source through synchronously collecting time sequence parameters including optical power, insertion loss, return loss and other physical quantities and a connector end face image, the image is subjected to feature mapping through the convolutional neural network, spatial features of pollution, scratches and alignment deviation are automatically extracted, manual inspection is replaced, and the recognition efficiency and objectivity are improved. Time sequence parameters are input into the modeling performance evolution trend of the long-short-term memory network, and weak dynamic characteristics such as chronic degradation are effectively captured. And through fusing image space features and parameter trend features, strengthening key factor characterization, and outputting a reliability determination result of the connector through a residual error classification network, accurate classification of normal, to-be-maintained and fault states is realized, traceability alarm information can be generated, and intelligent monitoring and early warning of the operation state of the connector are realized.

An initially loose MPO optical fiber connector, comprising: a ferrule (2) capable of accommodating an optical fiber, an end face of the optical fiber terminating at the front end of the ferrule (2); an inner housing (3) sleeved on the ferrule (2) and capable of limiting the ferrule (2); pin brackets (4), provided at the rear end of the ferrule (2); springs (8) provided at the rear ends of the pin brackets (4); a backpost (10) for engaging with the inner housing (3); and a component for repeatedly controlling the springs (8) to extend and retract. The wear of pin holes (19) is reduced, the number of times that the optical fiber connector can be plugged / unplugged is remarkably increased, and the service life of the optical fiber connector is greatly prolonged.

The invention relates to the technical field of optical fiber switching, and provides an optical fiber pre-terminating adapter which comprises a plurality of outer protection assemblies, each outer protection assembly comprises a connecting end and an adapting end, each adapting end is used for being matched with different types of interfaces of corresponding terminal equipment, each outer protection assembly is provided with a containing cavity, the containing cavity is internally provided with a connecting assembly, and the connecting assembly is connected with the adapting end. One end of the connecting assembly is detachably connected with the optical fiber connector, the other end of the connecting assembly is connected with insertion cores of different interfaces, a waterproof assembly is arranged at the connecting end of the outer protection assembly, and the optical fiber connector is sleeved with the waterproof assembly. The optical fiber connector has the advantages of being simple in operation and convenient and fast to maintain, effectively solving the problem that different types of interfaces of various terminal devices are not matched with the optical fiber connector, and reducing equipment bid invitation difficulty and operation and maintenance cost.

The modular housing case includes a fiber optic component housing defined as a cavity and or cavities that are sized to receive a fiber optic connector and or connectors. Within the cavity or cavities is a ferrule guide or ferrule guides. The module housing case also has an internal cavity that is at least partially enclosed. Those components can range from a lighting system powered by internal electronics or a system that relies on the cell phone camera flash and or flashlight LED for internal fiber end face lighting. The module housing case has a camera lens alignment feature manually adjustable to increase magnification of the field of view.

A new fiber optic connector provides a smaller form factor by including two ferrule assemblies in a housing. The housing accepts a push-pull mechanism that allows for insertion and removal from a carrier as well as an adapter. The push-pull mechanism may also include a flexure member to return the push-pull mechanism. Polarity of the fiber optic connector may also be selected by use of the push-pull mechanism.

The application relates to the technical field of optical fiber distribution modules, and discloses a connecting structure for an optical fiber connector adapter and a use method thereof, which comprises a main body, the outer surface of the main body is provided with an annular groove, and the four sides of the main body are all provided with communicating grooves which are in communication with the annular groove. When the triangular elastic plate is clamped in the square groove, the main body and the connecting frame can form close contact and interaction force in multiple directions, meanwhile, when the oval rubber ring expands outward, the inner wall of the connecting frame is pressed and a larger contact area and friction force are formed on the inner wall of the connecting frame, so that more stable connection can be provided, the influence of external factors such as vibration and pulling on the connection is reduced, and the possibility of connection loosening is reduced.

An optical connection system comprises a fiber optic connector, a fiber optic adapter, and a guide sleeve. The guide sleeve is coupleable with the fiber optic adapter and includes a plurality of flexible members configured to guide the fiber optic connector into the fiber optic adapter to engage the fiber optic connector with the fiber optic adapter.

According to the present disclosure, an optical connector (20) is attached to an optical transmission line (10) including a base body (11) and an optical waveguide (12) stacked on the base body (11). The optical connector (20) has a first side surface (A1) facing an end of the optical transmission line (10) and a second side surface (A2) located on a side opposite to the side on which the first side surface (A1) is located in a light propagation direction and includes at least one first lens (225) formed in the first side surface (A1) so as to face an end surface of the optical waveguide (12) and multiple second lenses (226) formed at positions on the second side surface (A2), the positions facing the first lens (225) in the light propagation direction. The first lens (225) is smaller in number than the second lenses (226).

A fiber optic adapter assembly including a main body having a first end defining a ruggedized connector port and a second end defining a non-ruggedized connector port, and a retention collar configured to mount over an exterior of the main body, wherein one or more features defined by the retention collar interact with a coupling arrangement inserted into the retention collar to shift the retention collar axially relative to the main body from an extended position to a retracted position, whereupon rotation of the coupling arrangement relative to the retention collar from a non-interlocked position to an interlocked position axially shifts the retention collar relative to the main body back to the extended position, thereby inhibiting back rotation of the coupling arrangement from the interlocked position to the non-interlocked position.

The invention discloses a transformer oil gas real-time monitoring method and device by combining a negative curvature optical fiber with a Raman spectrum. The transformer oil gas real-time monitoring device comprises an optical fiber transmission module, an optical detection module and a multi-degree-of-freedom adjusting mechanism, the optical fiber transmission module comprises a negative curvature optical fiber with a side hole, an optical fiber connector and an optical fiber protection sleeve, and efficient signal transmission is achieved. The optical detection module comprises a light splitting unit, a signal receiving unit and a signal processing unit, and is provided with an automatic gain control unit electrically connected with the signal receiving unit; the multi-degree-of-freedom adjusting mechanism comprises a rotating platform, a pitching support and a telescopic arm, and signal collection is optimized by adjusting the angle and the position. And an integrated interface unit is arranged between the optical fiber transmission module and the optical detection module. The signal transmission efficiency is improved through the negative curvature optical fiber, the system stability is enhanced through automatic gain control and temperature compensation, the type and concentration of gas dissolved in transformer oil are accurately analyzed, and the efficient real-time monitoring requirement of an electric power system is met.

The present invention relates to the technical field of optical communication. Disclosed are a coupling method and coupling structure for a hollow optical fiber, and an optical fiber connector. The method of the present invention comprises the steps of: welding a first optical fiber with a first end surface of a bridge fiber, processing a second end surface of the bridge fiber into an inclined surface at a preset angle to serve as a coupling end surface, and fixing the overall structure obtained by welding the first optical fiber with the bridge fiber in a first sleeve to obtain a first intermediate; fixing the hollow optical fiber in a second sleeve to obtain a second intermediate; and clamping and fixing the first intermediate and the second intermediate by using an optical fiber coupling platform, adjusting the position of the first intermediate and / or the second intermediate, synchronously performing a powder test, and encapsulating and fixing coupling points when the coupling loss is at the minimum, thereby achieving the coupling of the hollow optical fiber and the first optical fiber. The present invention expands the application scenarios, and reduces the coupling loss and return loss.

The invention discloses an optical fiber connector used for connecting at least one optical fiber with an optical fiber terminal, and the optical fiber connector comprises a first part, a second part and a third part. The optical fiber connector comprises one or more alignment mechanisms and a locking mechanism, the locking mechanism and the alignment mechanism are formed when at least two parts of the first part, the second part and the third part are meshed, a first alignment component is further arranged on the first part, the locking mechanism comprises a second alignment component, and the second alignment component is arranged on the third part. The first alignment component and the second alignment component jointly form an alignment mechanism; the first alignment member and the second alignment member are disposed on any of the first portion, the second portion, and the third portion, respectively, and the first alignment member and the second alignment member are disposed in different portions of the first portion, the second portion, and the third portion.

The invention relates to the technical field of intelligent sensors, and discloses an optical cable handover state monitoring method based on an intelligent sensor, and the method comprises the steps: synchronously collecting optical fiber real-time performance parameters and environment interference parameters of an optical cable handover point, so as to obtain an optical cable original data packet, compensating the real-time performance parameters of the optical fiber in the original data packet of the optical cable based on an environmental parameter compensation algorithm, stripping the influence of environmental interference to obtain intrinsic performance parameters representing the state of the optical fiber connector, and evaluating the state degradation degree of the optical fiber connector based on the state degradation degree comprehensive evaluation model. Performing comparison and trend analysis on the intrinsic performance parameters and dynamic historical performance baselines of the intrinsic performance parameters to obtain a comprehensive health index representing the health degree of the optical cable junction point, performing multi-level threshold judgment based on the comprehensive health index, and generating corresponding state early warning or warning information when the comprehensive health index is lower than a preset threshold; according to the invention, the efficiency of optical cable handover state monitoring based on the intelligent sensor can be improved.

The invention relates to the technical field of optical fiber connectors, in particular to an MT type multi-core beam expanding connector and an assembling method thereof, and the MT type multi-core beam expanding connector comprises a shell which is provided with a first groove body and a second groove body; the optical fiber beam combining part is integrated with a plurality of optical fibers distributed according to an M * N rectangular array, the end faces of the optical fibers and the end face of the optical fiber beam combining part jointly form an inclined plane, the optical fiber beam combining part is coupled into the second groove body, and the inclined plane faces the direction of the first groove body. According to the invention, the integrally formed beam expanding plate is adopted, the aspherical lens array on the beam expanding plate is integrally formed with the main body structure, and the beam expanding units formed by the aspherical lenses are high in precision consistency, so that 48 cores or even more cores can be integrated in a standard MT size; the density bottleneck caused by physical volume limitation and assembly process and precision limitation of a traditional independent ball lens scheme is broken through, and high density and high consistency are achieved.

The present application relates to optical fiber communication physical connection technology, and discloses an optical fiber connector, comprising a main body, a sleeve ring and a sleeve pipe, the main body is provided with a connecting groove, a guide structure and a guide structure, the sleeve ring is provided with a first connecting part, the guide structure is used for guiding the first connecting part and the connecting groove cooperation, thereby limiting the axial movement between the sleeve ring and the main body, and the sleeve pipe is provided with a matching part, the matching part is matched with the guide structure, thereby limiting the circumferential rotation between the sleeve pipe and the main body, and then the cooperation between the second connecting part on the sleeve ring and the connecting track on the sleeve pipe is utilized, not only the sleeve ring and the sleeve pipe are connected, but also the circumferential rotation between the sleeve ring and the sleeve pipe is limited. Not only the axial and circumferential limiting between the sleeve ring, the sleeve pipe and the main body is realized, the connection stability and connection precision of the optical fiber connector are ensured, but also the assembly of each component in the optical fiber connector is more convenient, and the convenience of the optical fiber connector can be improved.