2364 results about "Ferrule" patented technology

An optical connector ferrule is a member inside which an optical fiber is secured, and a tip side thereof serves as a connection end surface for an optical fiber. The optical connector ferrule is formed by injection molding, for example, and is formed from polyphenylene sulfide (PPS) resin that contains a filling material (e.g., inorganic fibers or a filler). An internal space is communicated with the tip side of the optical connector ferrule and serves as a hole into which the optical fiber is inserted. Here, the 260° C.×1 minute shrinkage factor of the optical connector ferrule in the present embodiment is 0.13% or less.

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 invention relates to a sensor head (20), wherein the sensor head (20) comprises a sensor element (11), a glass fiber and / or an optical waveguide (6). The sensor element (11) is mechanically and optically connected to the first end of the glass fiber or the optical waveguide (6) such that the glass fiber or the optical waveguide (6) can irradiate the sensor element (11) with pump radiation of a pump radiation wavelength, which the glass fiber or the optical waveguide (6) transports in the direction of the sensor element (6), and the glass fiber or the optical waveguide (6) can detect fluorescence radiation with a fluorescence radiation wavelength from the interior of the sensor element (11) and transports it in the direction away from the sensor element (6). The sensor head comprises a ceramic ferrule (7) with an inner tube along its longitudinal axis.The optical fiber (6) is inserted into the inner tube of the ferrule (7) so that the sensor element (11) is located at the other end of the ferrule (7) and / or protrudes from the inner tube of the ferrule (7). The ferrule (7) is inserted into a hollow tip (3) so that the sensor element (11) is preferably located at the tip of the hollow tip (3). The hollow tip (3) is inserted into a ceramic tube (2). The sensor head (20) comprises a shuttle (8). The glass fiber or the optical fiber (6) is guided within the shuttle (8). The shuttle (8) is inserted within the ceramic tube (2). The hollow tip (3) closes the ceramic tube (2). A holder (1) is pushed or plugged onto the ceramic tube (2). The glass fiber or the optical fiber (6) is guided outside the sensor head (2) in an outermost fiber shield (5).The sensor element (11) comprises crystals with paramagnetic centers that emit fluorescence radiation upon irradiation with pump radiation of the pump radiation wavelength. The crystal can, in particular, comprise diamond with NV centers and / or ST1 centers and / or TR1 centers as paramagnetic centers.

The invention discloses a diaphragm type EFPI optical fiber sonic sensor with a sensibilization structure, and relates to the field of optical fiber sensing and underwater acoustic signal communication. The sensor is composed of an optical fiber unit, a threaded sleeve and a sensitization shell which are connected in sequence. The single-mode optical fiber is embedded into the optical fiber ceramic ferrule as a first reflecting surface and inserted into the threaded sleeve in a combined manner, and the chromium-gold composite film is attached to the outer side of the threaded sleeve as a second reflecting surface through epoxy resin glue; the sensitization shell is combined with the threaded sleeve in a screwed mode, the chromium-gold composite film is protected, sound signals are gathered, and the sensitization effect is achieved. The invention has the following advantages and positive effects: (1) the FZP sensitization structure improves the minimum detectable sound pressure of the hydrophone and enhances the capability of identifying weak small signals; (2) the designed water pressure balance hole contributes to the water pressure in the F-P cavity and the outside, and can be suitable for deepwater operation; and (3) the nano-scale transduction film of the film type EFPI sensor can be protected to a certain extent, and the film type EFPI sensor can be suitable for changing environments.

The invention belongs to the field of connectors, and provides a double-insertion-core connector which comprises a socket end and a plug end. The plug end comprises a first cable, a second cable, a plug shell, a tail shell, a plug pressing plate and a rotary adjusting sleeve; when the plug end is inserted into the socket end, the plug shell and the socket shell are detachably connected, the first cable and the third cable are communicated through contact of the end faces of the cable cores, and the second cable and the fourth cable are communicated through contact of the end faces of the cable cores. The rotary adjusting sleeve is used for rotating to exchange the positions of the first cable and the second cable, so that the first cable is communicated with the fourth cable, and the second cable is communicated with the third cable; connection and switching of double cables can be completed through one connector, the connector does not need to be replaced or rewiring does not need to be carried out, the cables can be rapidly switched, operation is convenient, and working efficiency and operation flexibility are remarkably improved.

The invention belongs to the technical field of bearing manufacturing, and particularly relates to a quenching and tempering heat treatment method for a large heavy-duty bearing ring piece, which is suitable for quenching and tempering heat treatment of a thick large-section ring piece. And the thick and large-section ferrule ring piece is heated to the quenching temperature in a segmented and stepped mode, the ferrule ring piece is hoisted to a circulating water pool to be subjected to water cooling after heat preservation is completed, cooling is conducted till the surface temperature of the ring piece is lower than 100 DEG C, and the quenched ferrule ring piece is timely charged into a furnace to be tempered twice. The surface of the ferrule ring subjected to quenching and tempering heat treatment is free of cracks, the deformation degree is small, a martensite structure with the full cross section quenched thoroughly can be obtained, and the uniformity of the surface layer, the core structure and the performance of the ferrule ring with the thick and large cross section can be greatly improved. In addition, the quenching and tempering heat treatment process is simple to operate, and the consistency of the performance of the ferrule ring pieces in all batches is easily ensured. The method is not limited to a process of a large heavy-duty bearing ring piece, is also very suitable for thermal refining of other large forgings, and solves the defect problems of non-uniform structure, unstable performance and the like.

Systems and methods for estimating tool string depth can include a framework that utilizes machine learning to determine depth and depth uncertainties for the tool string. The framework can take as inputs a casing collar locator signal, a depth, a cable speed, and a timestamp. Then a collar detector function, which can be a machine learning model, can detect a collar and output a certainty level associated with the detection. A collar identifier function can combine that certainty level with a prior collar map and other prior parameters to identify a particular collar and that collar's depth. Then a fusion function can output a depth and depth uncertainty for the collar or for the tool string.

A cover for a fiber optic ferrule and ferrule push includes a sleeve extending lengthwise between opposed front and rear ends and defines a lengthwise-extending opening that opens through the rear end for receiving at least a portion of the fiber optic fiber optic ferrule and the ferrule push. The sleeve also includes a top side and an opposing bottom side, and two side walls extending between the top side and the bottom side and along at least a portion of the sleeve. A receiver is disposed in the top side to receive a projection associated with the ferrule push.

A device for measuring bending of extended vertically directed channels, including nuclear reactor fuel channels of the high-power channel-type reactor (HPCR). The device comprises a flexible hollow carrier rod having at least one fibre-optic sensor equipped with a core closed by a sealed tubular casing. The upper part of the core comprises a mounting sleeve with a central cylindrical cavity. The lower part of the core is comprises a central cylindrical rod. Longitudinal sector cuts are made on the rod of the core, in which ferrules with longitudinal through channels are fixed, and a gravity pendulum is placed under the lower end of the rod. Through the through channels of the ferrules, fiber-optic lines are drawn, connecting each fibre-optic sensor with a tunable laser and a photoreceiver connected to a computer. The cavity of the sealed tubular casing of the fibre-optic sensor is filled with an inert gas.

The invention discloses a machining process of a bearing ring. The machining process comprises the following steps: a, blank manufacturing; b, manufacturing a rough blank; c, turning; and d, finish machining. Bar materials are cut to obtain blanks, then the blanks are machined through a forging machine to obtain rough blanks, the rough blanks are intensively stored and fed into a feeding box of the machining device, the feeding box automatically conveys the rough blanks to a first clamping assembly through a first feeding channel, the first clamping assembly is matched with a first turning part to machine the inner wall face of a ferrule, and the inner wall face of the ferrule is machined through a second turning part. After machining is completed, the ferrule is conveyed to a second clamping assembly through a second feeding channel, the second clamping assembly is matched with a second turning part to machine the outer wall face of the ferrule, and after machining is completed, finish machining is conducted on the ferrule to obtain a finished product. By means of the technology, automatic feeding and discharging of the rough blank are achieved, manual feeding and discharging are not needed, potential safety hazards are eliminated, and the machining efficiency is improved. The inner wall face and the outer wall face of the ferrule are automatically machined, batch production of the ferrule is achieved, and the machining efficiency of the ferrule is greatly improved.

An optical fiber clamp comprises a clamp seat and N fixing assemblies, and the N fixing assemblies are elastically connected with the clamp seat. After N MT optical fibers are fixed by the optical fiber clamp, the optical fiber clamp can be inserted into the optical fiber adapter, and N is an integer greater than or equal to 2. Each MT optical fiber comprises an MT insertion core and a tail fiber. N mounting parts are arranged on two opposite wall surfaces of the clamping seat, and the N mounting parts are respectively used for mounting and fixing N tail fibers. The N fixing assemblies are respectively used for fixing the N MT insertion cores. According to the optical fiber clamp, N MT optical fibers can be fixed, integrated plugging of the N MT optical fibers can be achieved, and on the premise that the size of an existing optical fiber adapter interface is not changed, the number of the optical fibers is further increased by increasing the number of the MT insertion cores in the optical fiber adapter interface. After the optical fiber clamp which is plugged for multiple times deforms and is damaged, the optical fiber clamp can be simply replaced, and the whole MT optical fiber does not need to be scrapped.

The utility model relates to the technical field of dies, and discloses a core inserting die which comprises a die body, and a die cavity is formed in the die body. One end of the pin block is connected with a guide pin extending into the die cavity, and one end, far away from the pin block, of the guide pin extends out of the die cavity; the needle seat is arranged on the other side, opposite to the needle inserting block, of the die body and comprises a first needle seat body and a second needle seat body, the first needle seat body comprises a first guide needle containing groove formed towards the second needle seat body, and the second needle seat body comprises a second guide needle containing groove formed opposite to the first guide needle containing groove; and the first guide pin accommodating groove and the second guide pin accommodating groove form a first guide hole for accommodating a guide pin. The needle seat is designed to be of a split structure composed of the first needle seat and the second needle seat, so that the end, extending out of the mold cavity, of the guide needle is contained in the first guide hole in the forming process, the guide needle can be wrapped more tightly, the gap between the guide needle and the first guide hole is reduced, injection materials are effectively prevented from flowing into the first guide hole, and the injection efficiency is improved. Therefore, the MT insertion core is ensured to have excellent location degree.

The utility model provides a cable tensile strength testing device, and relates to the technical field of deep shale gas horizontal well fracturing. The first clamping and fixing mechanism is used for clamping and fixing a ferrule structure of the tested cable, and the ferrule structure is formed by bending one end of the cable into an arc-shaped closed loop; the rope sleeving column is transversely connected to the base in a sliding mode, and the loop structure can be connected to the rope sleeving column in a sleeving mode; the tension detection mechanism comprises a tension detector, one end of the tension detector is connected with the rope sleeving column, and the other end of the tension detector is connected with the base; the winding mechanism comprises a winding roller and a driving motor which are in transmission connection, the winding roller is installed on the base, and a containing groove is formed in the side wall of the winding roller; and the second clamping mechanism is arranged in the accommodating groove and is used for clamping and fixing the other end of the cable. And through the arrangement of the winding roller, the cable can be pulled, and the device can adapt to cables with different lengths.

The present invention provides an optical fiber connector assembly. The optical fiber connector assembly comprises an optical fiber adapter and an optical fiber connector. The optical fiber adapter comprises a socket, a nut and a socket dustproof cap. The optical fiber connector comprises a housing part and a plug assembly, the plug assembly being used for plugging in an optical fiber; and the housing part comprises a movable casing, a ferrule fixing tube and a tail sheath, the ferrule fixing tube being used for fixing the plug assembly, one end of the ferrule fixing tube being detachably connected to the tail sheath, and the movable casing being slidably arranged at the other end of the ferrule fixing tube. During installation, the plug assembly is directly plugged onto the optical fiber adapter to achieve connection and self-locking, thus achieving plug-and-play effect, avoiding easy disengagement from a connected state, and achieving security and firmness; during disassembly, the slidable movable casing of the plug assembly slides backwards, such that the plug assembly can be pulled out from the optical fiber adapter, thereby achieving slide-to-unlock, making disassembly rapid, and saving time and labor; and the whole assembly and disassembly process requires a small operation space, thus satisfying the requirement of high-density installation.

A fiber optic ferrule has a set of optical fiber support structures that includes a slotted blind hole to assist in the application of epoxy to the optical fibers and fiber optic ferrule. There is an entrance surface within the slotted blind holes against which the optical fibers may be disposed. The slotted blind holes may be formed within a portion of a first wall and a second wall adjacent a front end of the fiber optic ferrule.

An elastomeric bushing comprises an inner sleeve including a first end face and an opposite second end face. An elastomeric bumper is disposed around and directly engages the inner sleeve. The elastomeric bumper includes an annular void. An outer sleeve is disposed around the inner sleeve and the elastomeric bumper, spaced apart from the inner sleeve, and directly engages the elastomeric bumper. A one-piece monolithic ferrule includes a cylindrical sidewall surrounding a portion of the inner sleeve, an end wall, and a collar. The end wall radially inwardly extends from the side wall and overlaps the first end face of the inner sleeve. The collar has an outer surface positioned within the outer sleeve and within the annular void to limit the radial extent of relative movement between the inner and outer sleeves.

The present disclosure relates to a multi-fiber ferrule having a plurality of apertures, wherein each aperture has an adjacent partition that separates the aperture. The partitions also facilitate insertion of optical fibers into the respective apertures.

A cable assembly comprises a conductive cable including an exposed conductive first section having a first cross-section, and a second section adjacent the first second and having a second cross-section distinct from the first cross-section. A ferrule is positioned over the conductive cable and includes a body defining a seam formed therethrough in an axial direction. The ferrule defines a first body portion deformed into a cross-section corresponding to the first portion of the conductive cable, and a second body portion deformed into a cross-section corresponding to the second portion of the conductive cable.

An optical connector holding two or more LC-type optical ferrules is provided. The optical connector includes an outer body, an inner front body accommodating the two or more LC-type optical ferrules, ferrule springs for urging the optical ferrules towards a mating receptacle, and a back body for supporting the ferrule springs. The outer body and the inner front body are configured such that four LC-type optical ferrules are accommodated in a small form-factor pluggable (SFP) transceiver footprint or eight LC-type optical ferrules are accommodated in a quad small form-factor pluggable (QSFP) transceiver footprint. A mating receptacle (transceiver or adapter) includes internal alignment slots configured to accept a corresponding alignment key on connector outer housing to ensure alignment and orientation for maximum signal transfer between opposing ferrule end faces.

The embodiment of the invention relates to the technical field of communication, and provides an optical fiber connector and a connection box, the optical fiber connector comprises an inner shell assembly, an insertion core assembly and an optical cable, the insertion core assembly comprises a plurality of ceramic insertion cores, one end of each ceramic insertion core is located in a containing cavity of the inner shell assembly, and the other end of each ceramic insertion core extends out of the inner shell assembly. The optical cable comprises a plurality of optical fibers, the plurality of optical fibers are respectively arranged in the through holes of the ceramic ferrules in a penetrating manner, the plurality of ceramic ferrules are arranged in an array in an M-row N-column manner, M is greater than or equal to 2, and N is greater than or equal to 2. The ceramic insertion cores have high rigidity and strength, the precision of the insertion cores can be improved, the ceramic insertion cores at the two ends can be better aligned in the butt joint process of the optical fiber connector, the alignment precision of optical fibers in the ceramic insertion cores can be improved, transmission loss between the optical fibers can be effectively reduced, and the service life of the optical fiber connector is prolonged. Therefore, the transmission efficiency of optical signals between optical fiber connectors is effectively improved, and the insertion core loss is reduced.

The utility model discloses an optical fiber cutting and clamping jig. The optical fiber cutting and clamping jig comprises an optical fiber limiting and placing bottom plate, an overturning and buckling gland and a buffering and pressing mechanism, a profiling groove used for placing the main body shell is formed in the middle of the optical fiber limiting and placing bottom plate, and the overturning and buckling gland is rotationally connected with the optical fiber limiting and placing bottom plate. The buffer pressing mechanism is arranged on the overturning buckling pressing cover and corresponds to the clamping groove structure, the buffer pressing mechanism comprises a pressing block, an installation block and an elastic piece, when the overturning buckling pressing cover rotates relative to the optical fiber limiting placement bottom plate, the pressing block abuts against and presses an optical fiber insertion core located in the clamping groove structure, and the elastic piece abuts against the optical fiber insertion core located in the clamping groove structure. The installation block buffers stress in the rotation direction by extruding or stretching the elastic piece so that the position of the pressing block relative to the optical fiber ferrule is not changed, the situation that the optical fiber ferrule is driven by the stress in the rotation direction to generate dislocation deviation is avoided, and larger pressure can be applied to clamp the optical fiber ferrule.

The invention discloses an AOC assembly production method, an AOC assembly production tool is used, the AOC assembly production tool comprises a positioning plate and an anti-springboard, the positioning plate is provided with an insertion core positioning groove, a joint positioning groove and an optical fiber positioning groove, the front end of the optical fiber positioning groove is communicated with the insertion core positioning groove, the rear end of the optical fiber positioning groove is communicated with the joint positioning groove, and the anti-springboard is connected with the insertion core positioning groove. The AOC assembly production method comprises the following steps that an insertion core, an optical fiber and an optical cable which are needed by AOC assembly product assembly are prepared, and the front end of the optical cable is provided with a connector; the connector is placed in the connector positioning groove, and the connector is pressed by the anti-springboard; placing the insertion core in the insertion core positioning groove; placing the optical fiber in the optical fiber positioning groove; the front end of the optical fiber is connected with the insertion core in a dispensing manner, and the rear end of the optical fiber is connected with the connector in a dispensing manner; and heating the positioning plate until the sizing material at the optical fiber connecting part is cured. The AOC assembly product can be rapidly produced, the production difficulty is reduced, and the product quality is improved.

An optical system is provided. The optical system includes an optical engine having a photonic integrated circuit (PIC) and an optical lens array, the optical lens array has a lens that is optically aligned with a waveguide in the PIC. The optical system also includes an optical connector optically aligned with the optical lens array to transfer optical signals between the optical connector and the waveguide in the PIC. The optical connector includes a ferrule and an optical fiber mated with the ferrule. The ferrule has a lens aligned with the lens of the optical lens array.

The utility model discloses a releasable headstall structure for well logging, which belongs to the technical field of well logging and comprises a headstall pipe body, a well logging electrical apparatus element and a cable body, clamping blocks are slidably connected in two sliding grooves, two push-pull electromagnets which are symmetrically distributed are embedded in a clamping ferrule, and the two push-pull electromagnets are connected with the clamping ferrule in a sliding mode. The output ends of the two push-pull electromagnets are fixedly connected with the two clamping blocks correspondingly, a connecting column is movably connected into the clamping ferrule, a tension sensor is installed on the upper end face of the connecting column, and when the headstall pipe body is clamped in a well, the cable body is pulled, so that a connector pulls the connecting column through the tension sensor, and the cable body is pulled to pull the connecting column. When the tension exceeds a set value of the tension sensor, the push-pull electromagnet is started through the controller, the output end of the push-pull electromagnet drives the clamping block to enter the sliding groove, the cable body pulls out the connecting column from the interior of the clamping ferrule, and the cable clamping device has the advantages of being capable of preventing the cable from being broken, high in working efficiency and good in sealing effect.

[Problem] A small ferrule, the ferrule being able to simplify a manufacturing process, an optical connector, and a method for manufacturing the optical connector.[Solution] A ferrule (100) according to the present invention is provided with: a plurality of fiber holes (20) for causing a plurality of optical fibers (101a) to protrude, respectively, provided in a front end surface (100a); a plurality of fiber guide holes (25) communicating with back ends of the plurality of optical fiber holes (20) and being parallel to each other; and an optical fiber ribbon insertion hole (35) for inserting an optical fiber ribbon (101) comprising the plurality of optical fibers (101a) in a back end surface (100b) on the reverse side from one end surface. The ferrule (100) has a flange portion (30), and is provided with an internal space in which the plurality of fiber holes (20), the fiber guide holes (25), and the optical fiber ribbon insertion hole (35) communicate with each other, and the ferrule (100) is provided with an adhesive filling window (55) for filling an adhesive (GL) into the internal space in only one surface of the flange portion (35).