86 results about "Stripping (fiber)" patented technology

The invention discloses a method for calculating a temperature field of a laser ablation carbon fiber target material, and relates to the field of laser damage effect research, and the method comprises the following steps: 1, carrying out the equal-thickness layering according to the shape of the carbon fiber target material, and dividing grid units; 2, setting the laser action time t to be equalto 0, setting a time interval delta t, and applying an initial condition and a boundary condition to the unit according to the thermophysical parameters of the carbon fiber target material; 3, settingt= t + delta t, solving three-dimensional heat conduction transient equations of anisotropic materials of all units, and calculating a target material temperature field after time t; 4, if a grid unit with the temperature exceeding the vaporization threshold temperature of the carbon fiber target exists, vaporizing the unit according to a meta-order stripping method, loading the corresponding boundary condition to the next layer of unit, and then executing the step 5; 5, traversing the grid units: judging whether a next layer of unit exists, if yes, adjusting the thermophysical parameters ofthe target material, updating the boundary condition and the initial condition, and then executing the step 3; otherwise, determining a fact that the time and the temperature field are the characteristic parameters of the laser damaged carbon fiber target material.

The invention provides an optical fiber stripper, a manufacturing method and package structure of the optical fiber stripper. The optical fiber stripper has the advantages such as high stripping efficiency, high withstand power, uniform temperature distribution, long service life, high stability and the like. The package structure of the optical fiber stripper is characterized in that: the opticalfiber stripper is placed in a glass tube to provide preliminary package protection for the optical fiber stripper; and then the glass tube is arranged in an accommodating cavity surrounded by a heatconducting cover plate and a heat conducting bottom plate to perform thermal conductive packaging on the optical fiber stripper; therefore, on one hand, the package structure is conveniently installedon a water-cooled plate of an external water-cooling device, the heat emitted by the optical fiber stripper is uniformly transmitted to the water-cooled plate, and then the heat is taken away by thewater-cooling device; on the other hand, the thermal conductive packaging of the optical fiber stripper can prevent the stripped light from leaking into an optical path module; therefore, the damage of the stripped light to the optical path is avoided, the stability and working efficiency of the optical fiber stripper is greatly improved, and the stability of an entire optical fiber laser system is maintained.

The invention belongs to the technical field of communication, and discloses a novel compression-resistant and rat-bite-proof optical cable, which is provided with a plurality of loose tubes and a plurality of loose sleeve parts, a plurality of light guide fibers are arranged in the loose tubes, and a plurality of light guide fibers are arranged in the loose sleeve parts. The novel compression-resistant and rat-bite-proof optical cable is also provided with compression-resistant and rat-proof parts, wherein the pressure-resistant and rat-proof part is of an integrated structure and is of a characteristic structure; and the loose sleeve and the loose sleeve part are positioned in the compression-resistant rat-proof component. The invention has the following main beneficial effects: the structure is simpler, the manufacture is easier, the qualified rate of finished products is higher, and the compression resistance and the rat-bite-proof performance are better; In addition, the stripping, construction and maintenance performances are better.

The invention discloses coating layer stripping equipment and a coating layer stripping method. The coating layer stripping equipment comprises a bottom plate, an axial moving mechanism mounted on thebottom plate, an optical fiber rotating mechanism mounted on the axial moving mechanism, an optical fiber positioning mechanism for supporting an optical fiber, and a cutting mechanism arranged on the bottom plate, the optical fiber rotating mechanism comprises an axial base plate connected with the axial moving mechanism, a first rotating assembly arranged on the axial base plate and a second rotating assembly arranged on the axial base plate; the first rotating assembly and the second rotating assembly are respectively used for clamping the optical fiber; the first rotating assembly and thesecond rotating assembly are also used for synchronously driving the optical fiber to rotate; and the cutting mechanism and the optical fiber positioning mechanism are correspondingly arranged, so that the section left after the coating layer is stripped is smooth and flat, and the cladding light filtering effect is improved.

The invention belongs to the technical field of electric power and cables, and relates to a power cable, which is provided with a reinforcing component, an accommodating component, a protective layerand an outer protective layer, wherein a power transmission component is arranged in the accommodating component, the accommodating component is composed of a third bent part, a second connecting part, a fourth bent part, a third connecting part and a fifth bent part, a second cavity, a fourth cavity and a third cavity are formed in the accommodating component, the second cavity is communicated with the third cavity, the third cavity is communicated with the fourth cavity, the accommodating component is of an integrated structure, the power transmission component is composed of a first bent part, a first connecting part and a second bent part, a first cavity is formed among the first bent part, the first connecting part and the second bent part, the second bent part is arranged in the fourth cavity, the first connecting part is arranged in the third cavity, and the first bent part is arranged in the second cavity. The invention also discloses a communication optical cable, a photoelectric composite cable and an optical fiber ribbon. According to the invention, the main beneficial effects of simple structure, easy stripping, good heat dissipation, lighter weight, lower cost and moreflexible use are achieved.

The invention discloses optical fiber stripping equipment and an optical fiber stripping and cutting system. The optical fiber stripping equipment comprises a supporting device, a clamping device connected with the supporting device, a stripping device connected with the supporting device, and a transverse movement driving device used for driving the clamping device and the stripping device to beaway from each other. The clamping device is used for fixing part of the optical fiber. The stripping device comprises a first base installed on the supporting device, a folding mechanism installed onthe first base, and a stripping blade mechanism connected with the folding mechanism. The folding mechanism is used for driving the stripping blade mechanism to open and close. The stripping blade mechanism is used for scraping and stripping the coating layer. The folding mechanism or the blade stripping mechanism is used for positioning the optical fiber. The optical fiber is fixed on the clamping device, and then the other part of the optical fiber is positioned. Meanwhile, the folding mechanism enables the stripping blade mechanism to be attached to the coating layer of the optical fiber,then the stripping blade mechanism is far away from the clamping device through the transverse movement driving device, the coating layer of the optical fiber is separated from the fiber core under scraping and stripping of the stripping blade mechanism, and thus stripping of the coating layer is completed automatically.

The invention relates to the field of pretreatment of glued carbon fiber composite materials in aerospace and automobile industries, in particular to a method for simulating temperature field in a carbon fiber material release agent based on laser cleaning stripping. The method comprises the following steps: 1) establishing a three-dimensional transient temperature field model through COMSOL; 2) scanning the to-be-detected carbon fiber composite material through a three-dimensional laser scanner, constructing a geometric model of the carbon fiber composite material, and planning a moving pathof laser in the geometric model through a COMSOL model development module; 3) introducing a pulse laser heat source to establish a heat source model; 4) setting material parameters of the geometric model of the carbon fiber composite material; 5) setting initial conditions and boundary conditions of the geometric model of the carbon fiber composite material; and 6) dividing different grids for thegeometric model of the carbon fiber composite material, and obtaining the relationship between the laser scanning speed and the temperature field after completion through a COMSOL analysis module. According to the invention, COMSOL software is utilized to be suitable for numerical simulation of temperature field distribution of laser cleaning of the carbon fiber resin matrix composite material.

The invention belongs to the technical field of communication optical cables, and discloses an easy-to-strip optical fiber ribbon cable, which is provided with an accommodating shell and first to fifth optical fiber ribbon units, wherein the accommodating shell is composed of first to fifth protection units; an accommodating cavity is formed in each protection unit, the optical fiber ribbon unit is positioned in the accommodating cavity, the width of the outer end of the accommodating cavity is minimum, the optical fiber ribbon unit cannot escape from the accommodating cavity under normal conditions, the protection units are mutually inclined and connected, and the bending directions of all the protection units are consistent, namely clockwise or anticlockwise; the connecting parts of all the protection units define a pentagonal center cavity located in the center. The product has the main beneficial effects of more compact structure, less material consumption, lower cost, more convenience in stripping and separation, better heat dissipation effect and more convenience in test and construction.

The invention belongs to the technical field of electric power and communication, and discloses a flame-retardant cable, which is provided with a plurality of conductors, a protection part and a central reinforcing part, and is characterized in that the protection part is of a special structure, the protection part is of an integrally formed integrated structure, the conductors are positioned in the protection part, and the central reinforcing part is positioned in the protection part. The invention further discloses a flame-retardant optical cable and a flame-retardant optical fiber ribbon optical cable. The cable and the optical cables have the following main advantages: the structure is simpler, the production is easier, the qualified rate of finished products is higher, the storage is easier, the assembly is more flexible, the heat dissipation is better, the stripping is more convenient, the assembly and maintenance are faster, the investment is less, the cost recovery is faster, and the product performance is more stable and more reliable.

The invention provides preparation and application of a novel MXene modified porous carbon fiber composite electrode. The preparation method comprises the steps of carrying out etching treatment on an MAX phase, and obtaining two-dimensional layered MXene; enabling mXene to be centrifuged, washed and dissolved in an organic solvent DMF for ultrasonic stripping layering, and obtaining an organic solution of a single-layer MXene nanosheet; adding PAN into a MXene/DMF mixed solution, and fully mixing and stirring to obtain a spinning precursor solution; injecting the spinning solution into an electrostatic spinning device, and performing electrostatic spinning to obtain an MXene/PAN nanofiber membrane; and performing pre-oxidation and carbonization on the composite nanofiber membrane to obtain an electrode material capable of being used for desalination. An MXene/PAN film provided by the invention simultaneously has double electrode layers of a carbon material and a pseudocapacitance desalination mechanism of a Faraday electrode material, is high in desalination speed and high in desalination capacity, and can be widely applied to the fields of seawater desalination, industrial wastewater treatment and the like.

The present invention relates to a novel multimode pumping optical fiber beam combiner and its manufacturing method. The novel multimode pumping optical fiber beam combiner includes an input optical fiber and an output optical fiber. The input optical fiber and the output optical fiber are fused together. The output optical fiber includes a A coating stripping section, the coating stripping section is divided into a first section and a second section along its length direction, the first section is adjacent to the input optical fiber, and the outer surface of the first section is provided with a light leakage layer, Used to filter out laser light in fluorine-doped layers. In the present invention, by roughening the surface of the peeling section of the coating layer or fusing the quartz glass, the laser can be leaked from the high refractive index quartz glass or the rough surface, that is, the laser in the fluorine-doped layer can be filtered out, thereby reducing the The thermal effect of the beam combiner enables the beam combiner to withstand higher power.

The invention belongs to the technical field of cables, and relates to an optical cable easy to strip. The optical cable is provided with a support body, an outer sheath, a reinforcer, a loose tube and optical fibers in the loose tube, and is characterized in that the support body is composed of a first support body, a second support body and a body connecting part; the first support body is located on the left of the body connecting part; the second support body is located on the right of the body connecting part; the lower right part of the first support body is connected with the lower partof the body connecting part; the upper left part of the second support body is connected with the upper part of the body connecting part; the body connecting part is formed by combining plane parts of two semi-cylinders in an opposite and staggered mode, the outer edge of the second support body is a part of the surface of the cylinder, and the outer edge of the first support body and the outer edge of the second support body are located on the same cylinder surface. The invention further discloses a cable easy to strip. The optical cable and the cable have the following main beneficial effects: the structure is more compact, the weight is lighter, the cost is lower, the stripping and manufacturing are easier, and the percent of pass is higher.

The invention discloses a high-power fiber laser indication light protection device and an implementation method thereof, and belongs to the fiber laser field; the device comprises an indicating lightlaser, optical fiber winding mechanisms and cladding light stripping mechanisms, an optical fiber connected to the indicating light laser is connected with the two sets of optical fiber winding mechanisms and the cladding light stripping mechanisms, the optical fiber winding mechanisms are used for changing the winding diameter of an optical fiber and the bending angle change of the optical fiber, fiber core light in the optical fiber enters a cladding from a fiber core, and the optical fiber winding mechanisms convert the fiber core light into cladding light. Reverse fiber core light and cladding light of the high-power optical fiber laser can be effectively stripped through two cladding light stripping mechanisms and step-by-step stripping, the indication light laser is protected against damage, and attenuation of the intensity of indication light cannot be caused.

The invention relates to a rubber-covered wire optical cable easy to strip, which comprises a sheath with a rectangular cross section, wherein an optical fiber unit is coated at the middle part in the sheath, reinforcers are arranged at two sides in the sheath and correspond to the optical fiber unit, and grooves contracting from outside to inside are arranged at the middle parts of the upper and lower surfaces outside the sheath corresponding to the optical fiber unit. The optical cable is characterized in that the bottom of the groove reaches or is close to the optical fiber unit to form a deep groove, the deep groove is filled with a separation filling layer, and the resin material of the separation filling layer is different from the resin material of the sheath. According to the invention, when the sheath is subjected to external stress or self-contraction, the top point of the bottom of the groove body extrudes the optical fiber, so that the attenuation of the optical fiber is prevented from being increased; and the stripping performance of the sheath of the rubber-covered wire optical cable is improved, so that the continuous operation is convenient, the fiber protection performance is good, the defect that the sheath is difficult to strip due to bonding of the sheath layer and the optical fiber unit can be avoided, and the phenomena of damage to the optical fiber unit and fiber breakage in the stripping process are avoided.

The invention belongs to the technical field of communication optical cables, and discloses a central beam tube type optical cable, which is provided with a plurality of accommodating components, a plurality of reinforcing components, a central loose tube, a plurality of light-guide fibers and an outer sheath, the light-guide fibers are positioned in the central loose tube, the reinforcing components are positioned outside the central loose tube, the reinforcing components are positioned in the accommodating components, the accommodating components are located outside the central loose tube, and the outer sheath is located outside the accommodating components; the optical cable is characterized in that the accommodating components are of an integrated structure and has a special structure; and the upper surfaces of the accommodating components are attached to the outer wall of the central loose tube, and all the accommodating components wrap the periphery of the outer wall of the central loose tube. The invention also discloses a central beam tube type ribbon optical cable. The cable has the main beneficial effects of simple structure, easiness in manufacturing, stripping and heat dissipation, higher communication density, more stable and reliable product quality and less production equipment investment.

The invention provides a combined optical fiber welding operation box which comprises a shell, a cavity is formed in the shell, and a stripping mechanism, a second cleaning mechanism, a first cleaning mechanism, a collecting mechanism, a cutting mechanism and a monitoring mechanism are arranged in the cavity. According to the invention, optical fibers can be automatically fused, the fusion splicing efficiency of the optical fibers is improved, meanwhile, an optical fiber jacket can be automatically stripped through the stripping latch, manual stripping of the optical fibers is avoided, the fusion splicing efficiency is improved, the working intensity of workers is reduced, bare fibers are automatically cleaned through the arc-shaped cotton slivers, and the labor intensity of the workers is reduced. A coating layer which is not easy to clean on the surface of a bare fiber is removed, the optical fiber can be automatically or manually cut through the motor and the cutting knife, an operator can select different cutting modes according to different environments, and finally, the interior of the fusion splicer can be automatically cleaned through the scraper before the bare fiber is fused.