1335 results about "Protective Garment" patented technology

The invention relates to the technical field of data processing, in particular to a protective clothing production data processing method and system, and the method comprises the steps: obtaining a temperature sequence and a pressure sequence in a protective clothing sterilization process; presetting the local range of the temperature, and calculating the noise influence degree of the temperature; correcting the noise influence degree by using the correlation between the temperature and the pressure collected at the sampling time corresponding to the local range; the method comprises the following steps: marking temperatures meeting a preset screening condition in a temperature sequence, presetting a sliding window, filtering all marked temperatures by using an SG filter, and in the filtering process, filtering by taking an interval between a current marked temperature and a next marked temperature as a sliding step length of a current sliding window to obtain a denoised temperature sequence. According to the invention, the denoising efficiency and denoising effect of the temperature sequence in the sterilization process of the protective clothing can be improved.

The invention discloses a dust collecting device for producing protective clothing and treating dust, and relates to the technical field of dust collecting devices, the dust collecting device comprises a pre-dust-collecting chamber shell and a second combined flow guiding piece, the upper end of the left side of the pre-dust-collecting chamber shell is connected with an air inlet pipeline, and the lower end of the right side of the pre-dust-collecting chamber shell is connected with an air outlet pipeline; the second combined flow guide part is arranged between the air inlet pipeline and the air outlet pipeline, and the second combined flow guide part is composed of a rectangular outer frame, four second flow guide plates, an angle and distance adjusting mechanism and the like; the dust collector has multiple advantages, the burden of the filter bag can be relieved through the dust pre-collection chamber shell, the first combined flow guide part can flexibly change the included angle between the first flow guide plate and the center axis of the air inlet pipeline by means of the first electric push cylinder according to the flow and concentration of dust-containing air, and the second combined flow guide part can flexibly change the included angle between the first flow guide plate and the center axis of the air inlet pipeline according to the size and concentration of dust particles. The inclination angles of the four second flow guide plates are synchronously adjusted through the angle adjusting mechanism, and the distance between the second flow guide plates is adjusted in a self-adaptive mode through the distance adjusting mechanism.

The invention relates to a protective clothing loss prediction method based on big data analysis, and the method comprises the steps: collecting multi-dimensional data, such as temperature and humidity, pollutants, wearing duration, motion amplitude and cleaning, through a high-precision sensor, and outputting a high-consistency loss feature set in combination with normalization, denoising and feature screening algorithms; multi-stage causal chain dynamic construction and node adaptive capacity expansion are realized through working condition clustering and causal inference, a deep neural network model is accessed, and the deep neural network model is used to accurately predict the loss of the protective clothing under complex and abnormal working conditions. According to the scheme, the real-time performance, the accuracy and the environmental adaptability of loss prediction of the protective clothing are remarkably improved, and a scientific basis is provided for management optimization and risk prevention and control.

The invention provides a polyvinylidene fluoride-based nanofiber yarn wave-absorbing fabric as well as a preparation method and application thereof, and belongs to the technical field of preparation of wave-absorbing composite materials. The preparation method comprises the following steps: preparing nanofiber yarns or nanofiber core-spun yarns by adopting a conjugate electrostatic spinning technology, directly adding a conductive substance into a spinning solution to form conductive nanofibers, and further coating the nanofiber yarns or the nanofiber core-spun yarns with a PDA shell layer to improve the wear resistance and reduce silver nanoparticles in situ; finally, the yarns are woven into fabric through a weaving or knitting technology, and the fabric is applied to the fields of buildings, electromagnetic protective clothing, flexible electronics and the like. Compared with an existing microwave absorbing material, the fabric-based material is light in weight and good in mechanical flexibility and processability. Fabrics formed of nanofiber yarns or nanofiber core spun yarns facilitate the induction of interfacial polarization and multiple reflections, and can deeply design material properties. The material provided by the invention has better wear resistance, wearability and microwave absorption performance, and is suitable for actual production and application.

The invention relates to the field of cooling of human body protective clothing, in particular to a cooling fabric based on phase change microcapsules. The cooling fabric comprises a polyester fiber layer, a phase change microcapsule layer and a PTFE waterproof breathable film layer. The polyester fiber layer is made of skin-friendly polyester fibers, has excellent moisture absorption and sweat releasing performance and can improve wearing comfort. The phase-change microcapsule layer is formed by uniformly embedding microcapsules coated with a phase-change material into the textile structure, and absorbs heat and generates phase change when the environment temperature rises, so that the temperature of the fabric is reduced; the PTFE waterproof breathable film layer has waterproof and breathable functions, can prevent external liquid from permeating, allows water vapor to permeate, and enhances environmental adaptability. By optimizing the spinning method of the phase-change microcapsules, the phase-change heat exchange efficiency can be improved while the air permeability of the fabric is kept, and the cooling performance of the fabric at high temperature is ensured. The fabric can be widely applied to high-temperature work clothes, outdoor sportswear and intelligent temperature control textiles, and has the advantages of being high in temperature adjusting capacity, comfortable, breathable and the like.

The invention discloses special protective clothing capable of preventing molten metal from splashing and application of the special protective clothing. The special protective clothing comprises a fireproof coat and a fireproof knitted underwear, the fireproof coat is a one-piece fireproof coat, and the fireproof knitted underwear is a fireproof knitted long-sleeve underwear; the fireproof coat is made of an anti-splashing fabric, and the anti-splashing fabric comprises a flame-retardant layer, an aerogel heat insulation layer and a base layer from outside to inside; the flame-retardant layer, the aerogel heat insulation layer and the base layer are bonded into the anti-splashing fabric by adopting a full-thickness puncture sewing process; the fireproof knitted underwear is made of non-combustible fiber, flame-retardant fiber and antistatic fiber blended fabric. The protective clothing has multiple functions, the fireproof coat and the fireproof knitted underwear both have permanent flame-retardant protective performance, can be used independently and can be worn according to different special operation scene requirements, the comprehensive utilization performance of the protective clothing is improved, and the purpose of reducing the use cost is achieved.

The invention belongs to the field of flame-retardant finishing of textiles, and discloses a phytic acid-based flame retardant and a preparation method of a flame-retardant cotton fabric. Natural phytic acid, polyethylene glycol, melamine and metal salt are used as main raw materials, the environment-friendly characteristic of a biomass material is combined, an efficient and environment-friendly flame retardant is prepared, the prepared flame retardant is arranged on a cotton fabric through a traditional impregnation method, and the flame retardance and smoke suppression performance of the arranged cotton fabric are greatly improved. The method not only has a good flame retardant effect, but also avoids potential hazards of a traditional flame retardant to the environment and human health, and has a wide application prospect. The flame-retardant cotton fabric can be widely applied to the fields of household textiles, protective clothing, fire-fighting equipment and the like, and has remarkable economic benefits and social benefits. The invention not only provides an efficient and environment-friendly flame retardant preparation method, but also opens up a new way for application of biomass materials in the field of flame retardance, and has important scientific significance and practical value.

A protective garment is disclosed that is reusable and can be relaundered over 70 times. The garment is made from a single layer barrier fabric. Any seams on the protective fabric are covered with a seam tape. The seam tape can include an adhesive layer, a cover layer, and an optional film layer positioned between the cover layer and the adhesive layer. The adhesive layer can be a crosslinkable polyester polymer.

The utility model relates to the technical field of laser cutting, and discloses a laser cutting device for metal parts, according to the scheme, the laser cutting device comprises a placing table, the front side and the rear side of the placing table are slidably connected with the same U-shaped frame, a rectangular hole is formed in the top side of the U-shaped frame, and a motor is fixedly connected to the top side of the U-shaped frame. When an electric telescopic rod adjusts the distance between a laser cutting head body and a metal piece, a blocking cover can make contact with the surface of the placed metal piece in advance, the blocking cover and an output shaft of the electric telescopic rod can slide along with continuous movement of the laser cutting head body, and the blocking cover and the output shaft of the electric telescopic rod can synchronously move along with movement of the laser cutting head body; and at the moment, the blocking cover can be used for sealing the cutting environment during cutting operation, so that the situation that spark slag splashes everywhere is effectively avoided, workers can still be effectively protected on the premise that the workers do not wear protective clothing, dangers are avoided, and application and popularization are facilitated.

In one aspect, fabric materials are disclosed that have been treated with a fluid resistant treatment containing a water resistant composition and an oil resistant composition. The fluid resistant treatment may be substantially fluorocarbon free. Protective garments can be made from the fabric materials that provide resistance to water and / or oil.

The invention discloses a multi-protection self-cleaning medical protective garment with a good antibacterial effect, and relates to the technical field of medical protective garments, the multi-protection self-cleaning medical protective garment comprises a protective hat, an upper garment and a lower garment, the protective hat, the upper garment and the lower garment are integrally formed and designed, and the protective hat, the upper garment and the lower garment are all of a multi-layer composite structure. The protective hat, the upper garment and the lower garment are integrally formed and designed, the problem of leakage at the joint is solved, the waterproof and antibacterial performance is guaranteed through the hydrophobic protective layer, the antibacterial isolation layer and the comfortable layer, the wearing comfort is also considered, meanwhile, organic silicon hydrophobic sol coated on the hydrophobic protective layer has the waterproof and antibacterial functions, and the waterproof and antibacterial effects are good. The self-cleaning effect of reducing stain attachment can be achieved, various protection requirements in the medical environment are met, the temperature and humidity change conditions of multiple parts in the protection suit are obtained in real time through the data acquisition module, the temperature and humidity in the protection suit are automatically regulated and controlled through the microprocessor module, and the protection suit is more intelligent. And the protection effect and the comfort of the protective clothing in use are improved.

An article, a method of making the same, and a method of using the same are provided. Such an article includes at least one coated layer, which includes a substrate and a coating disposed on the substrate. The coating includes a layered nanomaterial and a solute embedded and distributed in the layered nanomaterial. The solute comprises at least one salt soluble in a solvent. The substrate comprises a polymer, for example, a high-performance polymer such as polyether ether ketone and poly(para-phenylene terephthalamide). The article is used for thermal management applications, for example, as protective garment.

The invention relates to the related field of composite fibers, in particular to a method for processing composite fibers by compounding polypropylene with silicon dioxide aerogel, which is characterized in that silicon dioxide aerogel powder is uniformly distributed on the surface layer of a polypropylene film through electrostatic adsorption, and film-split fibers are obtained through laminating, drafting, splitting and other processes; the polypropylene fiber and the silicon dioxide aerogel powder are well combined, the defect that the aerogel material cannot be flexibly processed is overcome, processing of the fibrous aerogel material is achieved, and the fiber product can be widely used for manufacturing protective clothing, thermal insulation materials, industrial cloth, filtering materials and the like.

Disclosed are methods, devices, and systems for improved protective clothing such as helmets and protective headgear, including improvements in modular, semi-custom or customized helmet liners and / or inserts to enhance wearer comfort and reduce the deleterious effects of impacts between the wearer and other players and / or objects in all types of wearer activities (i.e., sports, military, equestrian, etc.).

The invention belongs to the technical field of fire safety, and discloses a fireman fire extinguishing protective clothing data acquisition method and system based on biosensing, and the method comprises the steps: collecting fire-fighting environment data and personnel physiological data, and carrying out the sensing enhancement of the personnel physiological data, and obtaining enhanced physiological data; performing data decoupling on the enhanced physiological data to obtain physiological clear data; performing environment temperature calibration on the physiological clear data based on the fire-fighting environment data to obtain physiological calibration data, and performing micro-motion compensation on the physiological calibration data to obtain physiological compensation data; performing physiological evaluation on the physiological compensation data based on the constructed physiological evaluation model to obtain a health evaluation label of the firefighter, and performing corresponding safety early warning on the firefighter based on the health label; and the intelligent level and the safety performance of the fireman protective clothing are obviously improved.

The invention relates to the technical field of functional modification of polyimide nanofiber membranes, and discloses a preparation process and application of a polyimide nanofiber membrane. The polyimide nanofiber membrane is prepared through an electrostatic spinning method, and a novel organic-inorganic hybrid antistatic component is prepared in the coating process of the polyimide nanofiber membrane. The preparation method comprises the following steps: preparing an organic-inorganic hybrid antistatic component, dispersing the organic-inorganic hybrid antistatic component in absolute ethyl alcohol to obtain an organic-inorganic hybrid antistatic component dispersion liquid, performing surface treatment on a polyimide nanofiber membrane through polydopamine, and soaking the polyimide nanofiber membrane in the organic-inorganic hybrid antistatic component dispersion liquid to prepare the polyimide nanofiber membrane with the antistatic function. The prepared polyimide nanofiber membrane with the antistatic function has excellent antistatic performance and can be applied to functional clothing such as protective clothing, cold protective clothing and knitted clothing.

The invention discloses a preparation method and application of a degradable poly (p-dioxanone) melt-blown non-woven material, the melt-blown non-woven material takes poly (p-dioxanone) as a raw material, the poly (p-dioxanone) is extruded by a spinneret plate after being heated and melted by a twin-screw extruder, and is drawn at a high speed in hot air flow to form fibers, and then the fibers are self-bonded to form a net and collected by a receiving device to obtain the degradable poly (p-dioxanone) melt-blown non-woven material. The melt-blown non-woven material has good performance effects on mechanical strength, biodegradability, filtering performance, air permeability, humidity resistance and chemical stability, so that the melt-blown non-woven material can be widely applied to surgical dressings, wound binding materials, mask materials and protective clothing materials in the field of clinical medicine; the material can be applied to sanitary towel materials, paper diaper materials and wet tissue materials in the field of sanitary materials, plant covering materials and seed coating materials in the field of agriculture, and food fresh-keeping packaging materials in the field of food packaging.

The invention relates to the technical field of wave-absorbing materials, in particular to a broadband wave-absorbing material and a preparation method and application thereof. According to the preparation technology of the wave-absorbing material, a non-woven fabric carrier with graded pores and continuous gradient distribution is constructed by virtue of induction of a centrifugal force field, and then the non-woven fabric carrier is placed in a magnetic dispersion liquid system to be subjected to impregnation ultrasonic dispersion load treatment, so that heterogeneous interface structures are constructed on the surfaces and the interiors of fibers, and the prepared material fabric has the characteristics of light weight and broadband wave-absorbing performance; the method is suitable for military and civil high-tech fields such as electromagnetic protective clothing and invisibility. The method has the advantages of short production period, high raw material utilization rate and the like.

The invention belongs to the technical field of fabrics, and particularly relates to a garment fabric and a preparation method and application thereof. The preparation method comprises the following steps: blending KH-602 modified zinc cerium phenylphosphonate, an SA-DOPO flame retardant and polylactic acid particles at a certain temperature, and then spinning to obtain polylactic acid fibers; and spinning and weaving the polylactic acid fibers to obtain the garment material. According to the invention, the KH-602 modified zinc and cerium phenylphosphonate and the SA-DOPO flame retardant are added, and interaction among the components is utilized to jointly promote the improvement of the flame retardant property of the fabric, so that the fabric is well applied to the field of protective clothing.

The invention relates to the technical field of nanofiber porous membranes, in particular to an electrostatic spinning nanofiber porous membrane for protective clothing. The electrostatic spinning nanofiber porous membrane for the protective clothing is prepared from the following raw materials in parts by mass: 5 to 15 parts of polyvinylidene fluoride, 1 to 2 parts of zirconium chloride, 5 to 15 parts of titanium dioxide aerogel, 0.5 to 1.5 parts of 2-aminoterephthalic acid, 1 to 3 parts of glacial acetic acid, 1 to 5 parts of collagen and 1 to 2 parts of carbon nanotubes. The titanium dioxide aerogel is prepared by the following steps: adding butyl titanate and graphene oxide into ethanol, uniformly stirring, adjusting the pH value of the system to 3-4, stirring for 10-20 minutes, standing for 1-2 hours at 60-70 DEG C, filtering, washing, drying, crushing, mixing with carboxyl-terminated polyamidoamine, adding into water, carrying out ultrasonic treatment, freezing, carrying out vacuum drying, and crushing. The composite film is excellent in structural stability, good in barrier property, high in puncture-resistant strength and excellent in moisture penetrability.

The totally-enclosed protective clothing comprises a protective clothing body, straps and the portable air conditioner, the straps are attached to the protective clothing body, the straps are fixedly connected to the portable air conditioner, the portable air conditioner is attached to the protective clothing body, an air outlet is formed in the protective clothing body, and the portable air conditioner is fixedly connected to the air outlet. A closed zipper is arranged on the protective clothing body, a mask is arranged on the protective clothing body, and an emergency opening is formed in the protective clothing body; demisting is carried out by adjusting the temperature of the portable air conditioner, blurring when observation is carried out through the mask is avoided, breathing can be carried out by opening the emergency opening in an emergency situation, the internal temperature can be flexibly adjusted when full-closed use of the protective clothing is achieved, the blurring condition of sight is avoided, and the protective clothing is convenient to use. The use safety of the protective clothing is improved; and through the quick connecting assembly, the air pipe can be quickly mounted and dismounted, the mounting and using stability is guaranteed, and the use experience of a user is improved.

A protective device for maintaining body temperature in a living being is provided. The inventive protective device comprises a first sheet member having a left portion and a right portion. The first sheet member has a left edge and a right edge. A first channel member defines structure defining a first channel. The first channel member defines structure which is secured to and overlies a first portion of the left portion of the first sheet member and overlies a first portion of the right portion of the first sheet member. A second channel defining structure defines a second channel, the second channel defining structure secured to and overlying a second portion of the left portion of the first sheet member and overlying a second portion of the right portion of the first sheet member. Each of the channels have a first side and an opposite side opposite the first side. A variable length member is disposed on and extends along the length of each of the channels. There is a connection structure positioned proximate the left edge; and a mating connection structure positioned proximate the right edge.

The utility model discloses a comfortable and breathable firefighter fire-extinguishing protective garment, and relates to the technical field of firefighter fire-extinguishing protective garments, the comfortable and breathable firefighter fire-extinguishing protective garment comprises a protective garment body, and a fabric for making the protective garment body comprises an outer flame-retardant layer, a first waterproof and breathable layer, a second waterproof and breathable layer, a heat insulation layer and a comfortable layer; the first waterproof breathable layer and the second waterproof breathable layer are made of nanofiber membranes; wherein the inner side of the outer flame-retardant layer is connected with the outer side of the first waterproof breathable layer; the inner side of the second waterproof breathable layer is connected with the outer side of the heat insulation layer; after the fabric for making the protective clothing body is sewn, the inner side of the first waterproof breathable layer is in contact with the outer side of the second waterproof breathable layer; the inner side of the heat insulation layer makes contact with the outer side of the comfortable layer. The protective clothing has the advantages of being good in air permeability and flexibility and capable of effectively improving the comfort degree of a user wearing the fire-fighting protective clothing for the firefighter.

Disclosed are methods, devices, and systems for improved protective clothing such as helmets and protective headgear, including improvements in modular, semi-custom or customized helmet liners and / or inserts to enhance wearer comfort and reduce the deleterious effects of impacts between the wearer and other players and / or objects in all types of wearer activities (i.e., sports, military, equestrian, etc.).

The invention relates to the technical field of paint removers, and particularly discloses a paint removal composition, a paint stain cleaning agent and application of the paint stain cleaning agent. The paint stain cleaning agent provided by the invention is prepared from the following components in parts by weight: 30 to 40 parts of EDTA-2Na (Ethylene Diamine Tetraacetic Acid), 200 to 300 parts of caustic soda flakes, 140 to 170 parts of sodium alcohol ether sulphate, 160 to 180 parts of sodium xylene sulfonate, 400 to 450 parts of monoethanolamine, 1100 to 1300 parts of diethylene glycol monobutyl ether, 250 to 300 parts of limonene, 40 to 100 parts of saponin extract and 3700 to 3900 parts of water, the saponin extract is selected from one or more of soapnut saponin, fenugreek saponin and aescin; the invention further provides a paint stain cleaning agent prepared from the paint removal composition and application of the paint stain cleaning agent to cleaning of protective clothing. The paint stain cleaning agent provided by the invention can quickly permeate into paint and the contact surface of the paint and protective clothing, so that the paint on the surface of the protective clothing is dissolved and effectively stripped.

The invention belongs to the technical field of data communication, and discloses an automatic early warning communication method and system for firefighter fire extinguishing protective clothing, and the method comprises the steps: collecting multidimensional monitoring data of firefighters and fire scene environment data; the method comprises the following steps: introducing an adaptive bucket division strategy, calculating bucket width, combining bucket index distribution, applying a rapid sorting algorithm in each bucket, carrying out partitioning and ascending sorting on fireman multi-dimensional monitoring data, and obtaining a sorted data set; performing dimension reduction on the sorted data set by applying variance proportion calculation and cumulative variance proportion calculation to obtain a multi-dimensional monitoring sequence; performing outlier elimination on the fire scene environment data to obtain a fire scene environment sequence; performing weighted fusion on the multi-dimensional monitoring sequence and the fire scene environment sequence to obtain a comprehensive feature sequence; and the safety and the rescue efficiency of firemen in a fire scene are improved.

A detection and identification system includes a display portion, an image-taking portion, and a protective clothing detection portion. The image-taking portion captures a full-body image of a person wearing protective clothing. The display portion displays the full-body image in real time. The protective clothing detection portion divides the full-body image into plural to-be-identified regions according to the joints of the human body, uses an anomaly detection method or semantic segmentation algorithm to determine whether each to-be-identified region meets detection criteria, and marks the to-be-identified regions in such a way that each to-be-identified region meeting, or failing to meet, the detection criteria is displayed by the display portion as marked with a first mark or a second mark respectively. The first and second marks are different-colored blocks or frames. The system allows the current condition of the protective clothing to be rapidly known so that appropriate handling measures can be taken.

The utility model discloses an intelligent fire-fighting helmet with multiple communication modes, the fire-fighting helmet is set to be a full-wrapping type, the fire-fighting helmet comprises a fixing frame, the fixing frame comprises a connecting handle and a carrying frame, the connecting handle is connected with the rear end of the fire-fighting helmet, the carrying frame is rotatably fixed at the free end of the connecting handle, and the carrying frame is connected with the connecting handle; the connecting handle is of a C-shaped structure so that the carrying frame can be fixed to the front portion of the protective goggles. The display screen is detachably fixed on the carrier frame; the control device is arranged in the fire fighting helmet, the control device is in electric signal connection with the display screen, and the control device is in electric signal connection with a background control center. According to the utility model, the problems of overhigh temperature at the shoulder and neck part where the helmet is connected with the protective clothing, sudden falling objects, long communication time delay, unclear transmitted images, unclear hearing in a noisy environment, monitoring of the physical condition of a fireman and the like in the existing fire rescue are solved, so that the working efficiency and the safety of the fireman are improved, and the smooth proceeding of the fire rescue work is ensured.

The invention discloses a modified silicon nitride non-woven fabric and a preparation method and application thereof, and belongs to the technical field of silicon nitride non-woven fabrics. The invention provides a silicon nitride non-woven fabric. The silicon nitride non-woven fabric comprises a non-woven fabric base material and chitosan quaternary ammonium salt-alpha-phase silicon nitride composite particles loaded on the surface of the non-woven fabric base material, the chitosan quaternary ammonium salt-alpha-phase silicon nitride composite particles are formed by combining chitosan quaternary ammonium salt and hydroxylated alpha-phase silicon nitride through hydrogen bonds and coordinate bonds. According to the silicon nitride non-woven fabric, the antiviral inactivation efficiency can be greatly improved, and thorough inactivation of viruses is achieved; the dispersity of alpha-phase silicon nitride particles is obviously improved, and the air permeability of the non-woven fabric is guaranteed; the adhesive force of the particles and a base material is enhanced, and long-acting and stable antiviral performance is The virus contact time is prolonged, and the physical puncture effect is enhanced; the material has excellent biocompatibility, adapts to medical scenes, can be safely applied to medical protection products, such as medical masks and protective garments, which are in direct contact with a human body, and has both safety and practicability.

The utility model relates to the field of protective clothing, in particular to intelligent integrated multifunctional protective clothing which comprises a protective clothing jacket and an intelligent monitoring device. The protective clothing jacket comprises an outer flame-retardant fireproof surface layer, a middle composite foam material core layer and an inner comfortable lining layer, and the intelligent monitoring device comprises a shell, a charging and discharging module, a signal collecting and processing module, a display module and a communication module. The intelligent monitoring device is integrated with the protective clothing, so that key parameters such as heart rate, blood oxygen, body temperature, position information and the like of a wearer and environmental conditions such as smoke concentration, harmful gas concentration, heat energy distribution and the like in a fire scene can be effectively monitored, and data can be uploaded to a cloud management platform through a wireless communication module. And peripheral monitoring and combat command are facilitated. The utility model has the advantages of novel design, convenience in wearing, complete functions and the like.