27results about How to "Good performance requirements" patented technology

The invention belongs to but not limited to the technical field of electrode materials, and particularly relates to a high-tap-density lithium nickel manganese oxide positive electrode material, a preparation method and a lithium ion battery, the chemical general formula of the high-tap-density lithium nickel manganese oxide positive electrode material is LiNi < 0.5-x > Mn < 1.5-y > M < x > N < y > O < 4 >, 0.1, 0 < = y < lt >; 0.1, M and N are doping elements and comprise one or more of Mg, Co, Al, Zr, W, Sb, Ta and Ti; the material is micron-sized spherical secondary particles formed by stacking and aggregating nano-sized octahedral primary particles, and is uniformly dispersed without agglomeration; the spherical secondary particles are formed by mixing spherical secondary particles with large and small particle size distribution, and the average particle size range of the large particles is 3lt; d < 50lt >; the average particle size range of the small particles is 1lt; d < 50lt >; 2 [mu] m.

The invention relates to a method and a system for realizing personalized recommendation based on multi-feature fusion face recognition, and aims to provide real-time, efficient and accurate recommendation service, the method comprises the following steps: collecting a face image of a target audience in real time through a camera device, and preprocessing the image to extract a face region; running a face recognition algorithm in the edge computing device, and extracting multi-modal features including age, gender, appearance and style features; a comprehensive feature vector is generated by using a Transform model through a feature fusion module, and style classification and appearance classification are realized; according to the method, user feature vectors and a content database are matched on the basis of cosine similarity, personalized recommendation content is generated, the weight of a classification model is dynamically optimized in combination with user feedback, and dynamic behaviors and appearance features of a user are accurately captured through a time sequence analysis module, a dynamic style analysis module and a deep appearance analysis module; and comprehensively generating user feature description by combining vision, voice and character multi-mode information.

The invention relates to the technical field of cloud computing networks, and provides a traffic speed limiting system, a traffic speed limiting method and a traffic speed limiting device. The system comprises a network element agent unit, a monitoring unit, a speed limiting configuration unit, a program loading unit, a speed limiting execution tool and a filter agent unit. When the monitoring unit monitors that the life cycle or the bandwidth configuration strategy of the network element agent unit is changed, the speed-limiting configuration unit is triggered to obtain a bandwidth speed-limiting execution mode and a bandwidth information configuration file according to the bandwidth configuration strategy; the program loading unit updates ip address bandwidth mapping data in the filter speed limiting program file through the speed limiting execution tool and the bandwidth information configuration file; and the program loading unit also acquires and loads a filter speed limiting program file to an operating system kernel, so that a speed limiting execution tool realizes flow speed limiting according to ip mapping data and bandwidth mapping data in the file and a bandwidth speed limiting execution mode. By adopting the system, the expandability can be improved.

The invention relates to the technical field of 5G communication modules, in particular to a 5G communication module with a self-adaptive frequency spectrum and a use method of the 5G communication module. Comprising a spectrum sensing and identification module, a spectrum measurement and reconstruction module based on compressed sensing, a self-adaptive spectrum selection and dynamic spectrum allocation control module, a dynamic channel modeling and prediction module, a comprehensive optimization algorithm module and a feedback-assisted channel estimation control module. Wherein the spectrum sensing and recognition module adopts a deep learning algorithm to improve the precision and speed of spectrum sensing, and meets the requirements of 5G high data rate and low delay; the specific implementation mode comprises a convolutional neural network (CNN) structure, the convolutional neural network is adopted for spectrum sensing, and the spectrum state can be accurately and rapidly recognized in a complex dynamic environment; by training a large amount of spectrum data, the CNN can extract spectrum features and effectively distinguish target signals and interference signals, and the precision and speed of spectrum sensing are significantly improved.

The invention discloses a dynamic traffic target detection tracking and forward collision early warning method, and solves the problems of low target detection precision, poor tracking stability and high real-time requirement in a complex traffic environment. By improving the YOLOv8 network, the small target detection precision and the lightweight performance of the network are improved; and the tracking process of DeepSORT is optimized by using a complete intersection-parallel ratio, so that the tracking effect of the vehicle in a rapid moving and shielding scene is improved. In addition, the distance between the vehicles and the collision time are calculated in real time based on the Mobileye model, and three-section type risk early warning is achieved. The vehicle collision early warning method has the advantages of high detection precision, strong real-time performance, wide application and the like, and is suitable for vehicle collision early warning tasks in automatic driving and intelligent traffic systems.

The embodiment of the present application discloses a relay communication method and device, which relates to the field of communication technology, and solves the problem that the relay UE selected by the remote UE in the existing relay communication forwards data, resulting in the inability to meet the performance of the communication system. The method includes: a network device obtains a measurement report including the signal quality of the sidelink (SL) between a first user device and at least one second user device, and a wireless network identifier of at least one second user device, and the network device selects a target relay user device of the first user device from at least one second user device according to the measurement report and the auxiliary selection information associated with each second user device.

The invention discloses an adjustable spray pipe suitable for a high-frequency time-varying flow field of a rotary detonation combined engine, and relates to the field of combined power engines. The spray pipe is composed of a spray pipe inner cone, a spray pipe outer cover, a spray pipe inner cylinder composed of a movable piece and a fixed piece, and an electric push rod. The structure is characterized in that an outer culvert flow channel is designed according to an outlet flow field of the rotary detonation engine and is matched with an annular rotary detonation engine combustion chamber, and high thrust is ensured. The spray pipe inner barrel movable piece serves as a movable plug cone of the plug type spray pipe and slides on the spray pipe inner barrel fixed piece through traction of the electric push rod, and the throat area of the outer culvert and the throat area of the inner culvert are adjusted. According to the design, the engine is allowed to use the inner culvert flow channel to exhaust in a low-altitude low-Mach-number turbine mode and use the outer culvert flow channel to exhaust in a high-altitude high-Mach-number rotating detonation stamping mode. By adjusting the elongation of the electric push rod, the pressure change of the working environment of the engine is matched, the work of the spray pipe is optimized, and the heat-work conversion efficiency of the rotary detonation stamping combined engine in a wide speed domain range is improved.

The invention discloses a 6-series aluminum alloy thin-wall multi-cavity profile for a vehicle and a preparation method of the 6-series aluminum alloy thin-wall multi-cavity profile. The aluminum alloy profile comprises the following components in percentage by weight: 0.55-0.6% of Si; 0.10% to 0.15% of Fe; 0.20% to 0.25% of Cu; mn < = 0.1%; mg: 0.52 to 0.57%; less than or equal to 0.05% of Cr; the aluminum profile is prepared by the following steps of: smelting and casting, homogenizing treatment, extrusion, heat treatment and the like in sequence, so that the prepared aluminum profile has high strength and high plasticity, meets higher requirements of automobile thin-wall multi-cavity profiles, such as battery pack profiles and the like on mechanical properties and sizes, and avoids the technical problem of cracking.

The utility model relates to the technical field of COME boards, and discloses a COME board with multiple expansion interfaces, which is integrated with a group of PCIe (Peripheral Component Interconnect Express) expansion modules with PCIe 3.0 * 8 interfaces and two groups of PCIe 2.0 * 8 interfaces. The USB interface module is provided with four paths of USB2.0 interfaces and four paths of USB3.0 interfaces; an onboard storage interface module with three paths of SATA3.0 interfaces; the network interface module is provided with two paths of 10 / 100 / 1000Mb self-adaptive gigabit network ports; the video output interface module is provided with an HDA interface, an HDMI interface, a VGA interface and an LVDS interface; according to the utility model, through modularized integration and scientific layout, anti-interference of a high-speed interface, easy plugging of a common interface and flexible configuration of a memory are realized, high-performance scene requirements are met, and diversified applications and special industrial expansion are adapted through multiple types of interfaces; and the three-dimensional anti-drop structure of the USB interface is fixed with the board body, so that the connection stability and the mechanical strength are enhanced.

The invention discloses high-strength nylon particles special for automobiles and a preparation process of the high-strength nylon particles. The nylon particles comprise a nylon matrix material, activated carbon fiber reinforced filler, a flexibilizer, a heat stabilizer, an antioxidant and a lubricant. Carbon fibers are activated through specific cleaning, oxidation, coupling and other steps to improve the dispersity and compatibility of the carbon fibers in a nylon matrix, so that the tensile strength, bending strength and impact strength of the material are remarkably improved. Meanwhile, due to the addition of the copper salt heat stabilizer and the hindered amine antioxidant, the material is endowed with excellent heat resistance and ageing resistance. The material has high strength, good toughness, excellent thermal stability and aging resistance, is especially suitable for high-performance light-weight parts in the automobile industry, and meets the high requirements of the automobile industry on material strength, durability and processability.

The invention discloses an axisymmetric adjustable spray pipe of a rotary detonation combined engine adapting to spiral shock wave incoming flow, and relates to the field of combined power engines. The jet pipe is composed of fins, a jet pipe shell, an electric push rod, balls, a graphite ring, a jet pipe outer cover, a jet pipe inner cylinder, a jet pipe inner cone and the like, an adjustable outer culvert flow channel is formed between the jet pipe outer cover and the jet pipe inner cylinder, and an outer culvert throat channel is formed in the position, with the minimum axial section area, of the flow channel; an inner culvert flow channel is formed between the spray pipe inner cylinder and the spray pipe inner cone; and the area of the throat of the outer culvert is adjusted through the push-pull action of the electric push rod. Under the working mode of the turbine, air flow is sprayed out through the inner culvert flow channel; and in the stamping mode, air flow is sprayed out through the outer culvert flow channel. In the stamping mode, the area of the throat of the outer culvert is flexibly changed through adjustment of the electric push rod, and the requirements for environment pressure and engine performance at different altitudes are met. The flow matching capacity and expansion pressure ratio adaptability of the engine are improved, and the performance of the rotating and knocking combined engine in the stamping mode is improved.

This invention discloses an electromagnetic wave absorbing material based on in-situ grown carbon nanotubes from FeCoNi alloy and its preparation method. First, an iron-based metal-organic framework is synthesized via a hydrothermal reaction, followed by ultrasonication, washing, and drying to obtain iron-based metal-organic framework nanoparticles. Then, the surface of the iron-based metal-organic framework nanoparticles is modified using polyvinylpyrrolidone, and Co is adsorbed onto them. 2+ and Ni 2+ Polyvinylpyrrolidone (MOF)-modified iron-cobalt-nickel (FeCoNi)-based metal-organic framework (MOF) nanoparticles were obtained. Finally, melamine and the cobalt-nickel-adsorbed MOF-modified FeCoNi-based MOF nanoparticles were subjected to a carbothermal reduction reaction under a nitrogen atmosphere to obtain the electromagnetic wave absorbing material. This invention relies on MOF porous templates and metal nanoparticles to catalyze the growth of carbon nanotubes, improving conductivity loss. Simultaneously, the interfacial polarization between the generated FeCoNi nanoparticles and the carbon matrix optimizes impedance matching and enhances electromagnetic wave absorption performance.

The invention provides a preparation method of a nano-enhanced 3D printing metal powder material, and belongs to the technical field of 3D printing materials.The preparation method of the nano-enhanced 3D printing metal powder material comprises the steps that metal matrix powder such as stainless steel, aluminum alloy or titanium alloy with the size of 10-50 microns and nano-enhanced particles such as carbon nanotubes with the size of 10-50 nm are selected; the metal matrix powder is subjected to heat preservation for 2-4 hours at the temperature of 300-500 DEG C, the nano reinforced particles are subjected to ultrasonic dispersion for 30-60 minutes by using a 1%-3% surfactant solution, the metal matrix powder and the nano reinforced particles are mixed according to the proportion of 0.5%-3%, the mixture is stirred for 2-4 hours at the speed of 1000-2000 revolutions per minute and then subjected to ball milling, the speed of 300-500 revolutions per minute and the speed of 8-12 hours are adjusted according to the ball-to-material ratio of 5: 1-10: 1, finally, the powder is dried for 4-8 hours at the temperature of 80-120 DEG C, 10-50 [mu] m powder is screened, and the nano reinforced particles are obtained. The method solves the problems of uneven dispersion of nanoparticles, complex process and the like, improves the comprehensive performance of the material, can meet the 3D printing requirements in different fields, and promotes the application and development of the material.

The utility model discloses a high-toughness and high-strength mica tube, and belongs to the technical field of mica tubes, the high-toughness and high-strength mica tube comprises a mica tube main body, an inner tube is arranged in the mica tube main body, a middle tube is arranged in the mica tube main body and located outside the inner tube, and an outer tube is arranged in the mica tube main body and located outside the middle tube; a first high-strength assembly is arranged in the inner pipe, the first high-strength assembly comprises a first fiber mortar layer, and the first fiber mortar layer is arranged in the inner pipe; the mica tube is novel in design and ingenious in device, the multiple layers of steel wire meshes are embedded to mainly play a buffering role, the situation that the mica tube body is bent or broken in the using process is avoided, the overall reliability is effectively improved, and therefore the toughness and strength of the mica tube body are improved, the mica tube body can meet the requirement for higher performance, and the service life of the mica tube body is prolonged. Therefore, the excellent insulating property of the mica tube main body is maintained, the preparation process is simplified, the production cost is reduced, and the practicability of the device is greatly improved.

The invention provides rolling contact damage resistant nano ceramic particle reinforced train wheel steel and a preparation method thereof, and belongs to the technical field of preparation of train wheel steel. According to the steel for the wheel, Al powder, Ti powder and multi-walled carbon nanotubes are mixed to obtain mixed powder, and TiC / Al intermediate alloy is prepared through ball milling, cold press molding and hot press sintering; the TiC / Al intermediate alloy is crushed into alloy chippings, the alloy chippings are placed at the bottom of a steel ladle, molten steel of the wheel steel is tapped to the steel ladle, and the wheel steel is obtained after vacuum degassing refining, continuous casting, forging and heat treatment. The introduction method of the TiC / Al intermediate alloy carrier is adopted, the problems of particle aggregation, segregation, floating or sedimentation and the like caused by poor wettability and density difference when nanoparticles are directly added are effectively avoided, and the rolling contact damage resistance of the wheel steel is improved by introduction of the TiC / Al intermediate alloy carrier; and the high-performance requirements of modern rail transit on the steel for the wheels are met.

The invention discloses a multi-mode intelligent analyzer based on an FPGA, and the analyzer comprises a signal input unit which is used for carrying out the filtering processing of two paths of inputted analog signals; the analog-to-digital conversion unit is used for performing analog-to-digital conversion processing on each path of filtered analog signal to obtain a corresponding time domain signal; the wireless communication module is used for receiving a preset parameter threshold value set by a user; the FPGA main control unit comprises two parallel signal processing assembly lines which are used for carrying out frequency domain transformation on the received two paths of time domain signals in parallel to obtain frequency domain signals; the intelligent judgment module is used for performing parameter analysis on the frequency domain signal to obtain parameter characteristic data, and judging a preset parameter threshold value and the parameter characteristic data to obtain a judgment result; the display information fusion module is used for fusing the time domain signal, the frequency domain signal, the parameter characteristic data and the discrimination result to obtain a fused video data stream; and the display unit is used for displaying the fused video data stream and realizing multi-modal data display on the same screen.

The present invention relates to the field of electric heating gloves, a highly wear-resistant and waterproof cycling heating glove, comprising a glove body, wherein the glove body is sequentially composed of a waterproof and wear-resistant outer layer, a heat-insulating layer, a heating layer and an inner layer from the outside to the inside; the heating layer is distributed in the form of strips inside the back of the hand of the glove body; a wear-resistant and shock-absorbing rubber pad is provided at the palm of the outer surface of the glove body; a wear-resistant and anti-skid layer is provided on the front of the fingers of the outer surface of the glove body; the wear-resistant and shock-absorbing rubber pad and the wear-resistant and anti-skid layer are both adhered to the outer surface of the glove body by epoxy resin; the surface of the wear-resistant and shock-absorbing rubber pad and the surface of the wear-resistant and anti-skid layer are both provided with wear-resistant and anti-skid convex points; a battery bag, a zipper, a storage battery, a temperature control module, etc. are provided on the back of the hand of the back of the glove body. The present invention realizes waterproof, wear-resistant and self-cleaning by treating the outer layer of the polyester fabric with fluorine-free sol, and combines the dandelion-shaped alumina-modified composite rubber wear-resistant and anti-skid layer and the wear-resistant and anti-skid convex point design to comprehensively improve the waterproof, wear-resistant, anti-skid and comprehensive performance of the gloves.

The composite structure brake disc comprises a brake disc body made of metal and a brake pad made of carbon-carbon / carbon-ceramic materials, the brake pad is arranged on the connecting face of the brake disc body, a groove is formed in the edge of the contact face of the connecting face and the brake pad, and a corresponding protruding part is arranged at the contact position of the brake pad and the connecting face. The edge of the brake disc body is further provided with an outer frame abutting against the outer edge of the brake pad. According to the utility model, the groove and the outer frame are arranged to limit the edge of the brake pad, so that the brake pad is prevented from directly flying out after being broken, and the safety performance is improved.

The utility model relates to the technical field of high-altitude circuit breaker handcarts, and provides a 35KV handcart suitable for high altitude, which comprises a mounting seat arranged on a switch cabinet; the case is arranged on the mounting seat in a sliding manner; the lead screw is rotationally arranged on the mounting base, the case is arranged on the lead screw in a threaded mode, and after the lead screw rotates, the case moves in the axial direction of the lead screw. According to the technical scheme, the problems that in the prior art, manual sliding is needed in the process that an existing circuit breaker handcart slides into or slides out of a switch cabinet, working efficiency is poor, and life safety of workers is possibly caused are solved.

The invention provides a method for improving oil return of a compressor, an oil return system and the compressor, the method for improving the oil return of the compressor is achieved through the oil return system in the compressor, and the oil return system comprises a closed oil return unit connected between an oil separator and the compressor; the method comprises the following steps: acquiring the running state of the compressor; the capacity requirements q of all indoor units and the maximum refrigerating capacity Q in the current environment are calculated; judging whether a high-frequency oil return condition or a low-frequency oil return condition is met or not based on the obtained running state of the compressor in combination with the size relation between q / Q and a preset proportion; and when the high-frequency oil return condition or the low-frequency oil return condition is met, the closed oil return unit is controlled to be started so as to carry out high-frequency or low-frequency oil return treatment. The system is provided with a double-loop oil return system, logic judgment is carried out through system parameters, oil return is carried out in time, long-term operation of a unit during oil shortage and abrasion of a cylinder body are avoided, and the operation reliability of the compressor is improved.

The invention relates to the technical field of pigment preparation, discloses an anti-fading plastic pigment which comprises the following components in percentage by weight: 70-90% of tungstate or titanate, 3-10% of rare earth doped ions and 2-8% of transition metal doped ions, and further discloses a preparation method of the anti-fading plastic pigment. Comprising the following steps: S1, preparing a precursor solution: dissolving tungstate or titanate in deionized water, adding a citric acid chelating agent, stirring for 50-60 minutes to form a basic solution, and slowly adding a rare earth doped ion and transition metal doped ion solution; through synergistic doping of rare earth and transition metal ions, doped ions form a stable solid solution structure in barium titanate or tungstate crystal lattices, meanwhile, an optimized high-temperature roasting process and atmosphere control are combined, the thermal stability of the pigment is effectively improved, and ultraviolet absorption and oxidation resistance are enhanced through introduction of the rare earth ions.

The invention discloses a heat-conducting composite material for a high-strength, high-toughness and corrosion-resistant flow battery and a preparation method of the heat-conducting composite material. The method comprises the following steps: S1, preparing modified carbon fibers; s2, preparing a modified carbon fiber functional master batch; and S3, preparing the high-strength, high-toughness and corrosion-resistant heat-conducting composite material for the flow battery. The heat-conducting composite material prepared by the invention has a fishbone-like microstructure, and is constructed through mutual interpenetration of carbon fibers and graphene sheet layers, so that covalent bond combination of a multi-phase interface of the material is improved, the interface thermal resistance is remarkably reduced, and the heat-conducting property of the material is favorably improved. The method is simple in technological process, controllable in cost and suitable for industrial large-scale production; the prepared composite material has excellent mechanical properties and chemical corrosion resistance, can meet various high-performance requirements of the flow battery on the material, can be widely applied to manufacturing of energy storage systems requiring high thermal conductivity and corrosion resistance such as the flow battery, and meets various composite high-performance requirements of the system.

The invention relates to the technical field of polyvinyl chloride artificial leather, and particularly discloses high-temperature-resistant artificial leather and a preparation method thereof. The high-temperature-resistant artificial leather is prepared from the following components in parts by weight: 75 to 90 parts of high-polymerization-degree polyvinyl chloride resin, 6 to 15 parts of modified hydrotalcite, 15 to 24 parts of bamboo charcoal-polyester composite fiber, 20 to 30 parts of plasticizer, 1 to 3 parts of stabilizer, 5 to 12 parts of pigment and 1 to 3 parts of antioxidant. The preparation method of the high-temperature-resistant artificial leather comprises the following steps: S1, mixing high-polymerization-degree polyvinyl chloride resin, modified hydrotalcite, bamboo charcoal-polyester composite fibers, a plasticizer, a stabilizer, a pigment and an antioxidant to form a uniform mixture; and S2, heating the mixture to a molten state, carrying out calendaring molding through a calendaring machine, cooling, cutting, and rolling to obtain the high-temperature-resistant artificial leather product. The high-temperature-resistant artificial leather prepared by the invention has excellent heat resistance and ageing resistance.

This utility model discloses an outer arc-shaped display screen cabinet, including a cabinet body with multiple horizontal and vertical dividing bars arranged equidistantly and alternately. Each horizontal and vertical dividing bar has a wire-passing hole. A sealing plate is installed on one side of the cabinet body, and the sealing plate has a sealing channel communicating with the cabinet body. Multiple support mechanisms are provided inside the cabinet body, along with a battery compartment. A snap-fit ​​rod is attached to one side of the cabinet body, with its two ends connected to the two ends of the cabinet body. Multiple threaded holes are provided inside the cabinet body, arranged unevenly. This utility model, through its support mechanisms, enhances the support for the multiple horizontal and vertical dividing bars, providing support in different directions for the cabinet body. This improves the stability of the cabinet body while reducing the impact of excessive support on the internal wiring.

The utility model discloses a kind of vertical take-off and landing platforms with high-strength buffering, including platform body, support structure and buffer damping system. Belong to the technical field of aircraft take-off and landing equipment. Platform body adopts honeycomb sandwich structure, upper and lower surface is high-strength alloy steel plate, and middle is regular hexagon honeycomb aluminum matrix composite core body;The column of support structure is hollow tubular, bottom is equipped with adjustable height pedestal, and form triangular stable structure by transverse connecting beam and oblique support beam;Platform body lower surface double-layer steel plate is equipped with staggered distribution shock absorber spring and hydraulic damper between. In addition, column pipe wall is made of fiber reinforced resin matrix composite material and built-in spiral reinforcing rib, and platform edge is equipped with carbon fiber reinforced plastic and memory alloy wire woven crash barrier. The utility model discloses vertical take-off and landing platform realizes high-strength, lightweight, excellent shock absorption and environmental adaptability, and wide application range.

The utility model discloses a novel bushing which comprises a first bushing body, a second bushing body is arranged on one side of the first bushing body, an assembling mechanism is arranged between the first bushing body and the second bushing body, and the end, close to the second bushing body, of the first bushing body is fixedly connected with a first semicircular plate. A second semicircular plate is fixedly connected to the end, close to the first bush, of the second bush, a plurality of mounting holes are formed in the front face and the back face of the first bush, and the first bush and the second bush are made of the same material and are sequentially provided with an outer protection layer, a wear-resisting layer and a base layer from outside to inside. The lining adopts a layered structure of the outer protective layer, the wear-resistant layer and the base layer, the outer protective layer effectively prevents the surface of the lining from being oxidized, the wear-resistant layer reduces friction loss with matched parts, the base layer provides structural strength support, the service life of the lining is prolonged, the maintenance cost is reduced, and the requirement of the industrial field for high performance of the lining is met.

The utility model discloses a surface-hydrophobic wear-resistant heat-insulating composite fabric which comprises an inner fabric layer, a heat-insulating layer is arranged above the inner fabric layer, and an antibacterial fabric layer is arranged between the heat-insulating layer and the inner fabric layer; a wear-resistant layer is arranged above the heat insulation layer, and an antistatic layer is arranged between the wear-resistant layer and the heat insulation layer; and an outer hydrophobic layer is arranged above the wear-resistant layer. According to the utility model, the thermal insulation layer made of the nano aerogel or the Xinshenli fiber is arranged above the inner fabric layer, and the thermal insulation layer is used for improving the thermal insulation effect of the fabric; the outer hydrophobic layer treated by fluorocarbon resin is arranged above the heat insulation layer, so that a highly hydrophobic layer is formed on the outer surface of the fabric, moisture and stains are effectively resisted, and the fabric is kept clean and dry; the composite fabric disclosed by the utility model integrates multiple functions, not only meets the requirement of modern people on high performance of garment fabrics, but also improves the comfort and durability of garments, and has a wide market application prospect.