140 results about "Skin structure" patented technology

The present invention relates to the field of biomedical materials, particularly to a novel composite collagen material for wound repair, and more specifically to a method for preparing a novel composite collagen material comprising recombinant humanized collagen type 21 (ColpepA1 21) and its use in wound repair. The present invention utilizes ColpepA1 21 to significantly promote key biological reactions in the wound healing process, including accelerating cell migration, enhancing skin hydration and barrier function, and improving the stability and elasticity of skin structure. The resulting novel composite collagen material effectively promotes wound healing and cell regeneration, alleviating oxidative damage.

The invention belongs to the field of cellulose materials, and particularly relates to a functional cellulose fiber as well as a preparation method and application thereof. The functional cellulose fiber comprises a core structure formed by fiber raw materials and a skin layer structure formed by functional components, the skin layer structure covers the surface of the core structure, and the functional components are selected from one or more of silk fibroin, sodium alginate and soybean protein. The cellulose functional fiber with the skin-core structure is prepared, the core layer is a cellulose layer, high strength is provided, the skin layer is a functional layer, and good comfort is provided.

The robot simulation skin structure comprises a temperature control unit and an evaporation heat dissipation unit, the temperature control unit comprises a flexible base layer and a silver electrode layer, the silver electrode layer covers the flexible base layer, the flexible base layer is made of a flexible PTC material, the evaporation heat dissipation unit comprises a liquid storage layer and an opening and closing door, and the opening and closing door is made of a flexible PTC material. The opening and closing door covers the liquid storage layer, the opening and closing door is a shape memory alloy opening and closing door or a shape memory polymer opening and closing door, and heat dissipation liquid is arranged in the liquid storage layer. Therefore, according to the simulated skin structure, the temperature sensing function, the self-adaptive heating function and the evaporative heat dissipation function are integrated into a single flexible structure, the autonomous response of local heat management can be achieved without an external complex control system, and therefore an extra sensor, an extra controller and an extra complex circuit are omitted; independent work and quick response of each local area are realized, and the system structure is greatly simplified.

The invention provides a skin fibrosis in-vitro model as well as a construction method and application thereof, and relates to the technical field of cell biology. According to the skin fibrosis in-vitro model construction method, a full-thickness skin model with an epidermal layer and a corium layer is constructed by utilizing a cell culture chamber or a cell culture micro-fluidic chip, and the skin fibrosis in-vitro model is obtained by performing induced culture through a chemical reagent, a growth factor or mechanical stress while the corium layer is constructed. According to the construction method, the problem that an existing in-vitro model can only reflect early-stage fibrosis skin characteristics and cannot effectively simulate fibrosis skin formed under the condition of a long disease course is solved. Besides, the corium layer and the epidermal layer in the full-thickness skin structure are not separated, isolated and differentiated through a porous membrane, corium layer fibrosis can generate more direct influence on the epidermis, richer inflammatory factor expression change of the whole model is obvious, and the simulation degree of skin fibrosis diseases is higher.

The invention relates to a preparation method of a biological membrane with a bionic cuticle'brick-slurry 'structure and a wound dressing application of the biological membrane, and belongs to the technical field of biological auxiliary materials. The preparation method comprises the following steps: dispersing prepared wool keratin microspheres in a fibroin solution, realizing a stable and firm brick-slurry structure by combining solvent volatilization with a photo-crosslinking technology, further crosslinking by utilizing metal ion coordination, and simultaneously endowing the dressing with the capabilities of effectively blocking bacterial permeation and sterilizing. The biological membrane exceeds the design of traditional layered wound dressings, and accurate reproduction of a natural skin structure is preferentially considered. The microspheres are assembled into a densely-arranged masonry structure material in a planned manner, so that the dressing has high moisture permeability, oxygen permeability and strong antibacterial barrier capacity, can promote repair of infectious wounds and burn and scald wounds, and has remarkable clinical application value.

The invention provides a beautifying composition and application thereof in whitening, anti-inflammatory and anti-aging products, and belongs to the technical field of cosmetics. The beautifying composition is prepared from collagen peptide, sodium hyaluronate and ergothioneine, wherein the mass concentration ratio of the collagen peptide to the sodium hyaluronate to the ergothioneine is (75 to 85) to (3.5 to 10) to (0.4 to 3.5); the beautifying composition shows remarkable advantages in the aspects of collagen regeneration and skin improvement, the collagen content can be remarkably increased, and multi-effect collagen regeneration promotion is achieved by inhibiting collagen degrading enzyme MMP-1 and up-regulating TGF-beta1; the content of AQP3 and HA can be increased, and water locking and moisturizing of the skin are enhanced; by activating an Nrf2 pathway, the SOD2 level is improved, IL-6 and IL-1alpha are inhibited, and the antioxidant, anti-inflammatory and whitening effects are achieved; the thickness of an epidermal layer and the density of dermal fibroblasts can be remarkably improved, wrinkle resistance and repairing are effectively achieved, and the skin structure is improved.

The invention relates to the technical field of functional nutritious food, in particular to multi-layer skin nutrition powder with a whole-spectrum skin growth and repair promoting effect and a preparation method and application thereof, the core of the multi-layer skin nutrition powder is composed of a collagen peptide system (60-62%), a proteoglycan system (20-22%) and the like, collagen peptide is compounded with three sources of cattle, fish and chicken, and the multi-layer skin nutrition powder has the advantages that the multi-layer skin nutrition powder is prepared; according to the present invention, with the combination of the following components, the skin structure and activity are jointly promoted by using the synergistic effect of the functional polypeptide compound (2.5-3.5%) and the plant active component (3.5-4.5%) rich in asiaticoside and procyanidine, and the nutrition enhancers (4-5%) such as L-ascorbic acid and amino acid chelated zinc and the food-grade auxiliary materials (8-10%) such as microcrystalline cellulose are integrated in the formula, such that the various systems achieve the synergistic effect so as to achieve the effect of nourishing the skin; through the synergistic compatibility of the three-source collagen peptide, the comprehensive supplement of various types of collagen in skin tissues is realized.

The invention discloses a skin-tightening anti-wrinkle essence and a preparation process thereof, and relates to the technical field of cosmetic preparation, and the preparation process comprises the following steps: obtaining animal umbilical cord tissue, culturing, collecting cell culture supernatant after culture, carrying out low-speed centrifugation to remove cells and dead cells, and carrying out concentration, filtration and sterilization through a tangential flow membrane technology to obtain the skin-tightening anti-wrinkle essence. The animal umbilical cord extract is obtained; the preparation method comprises the following steps: mixing the animal umbilical cord extract with water, butanediol, glycerol, hydroxypropyl tetrahydropyrantriol, 1, 2-hexanediol, trehalose, p-hydroxyacetophenone, allantoin, hydrolyzed sodium hyaluronate, sodium hyaluronate, tetrahydromethylpyrimidine carboxylic acid, xanthan gum and essence, homogenizing under a stirring condition, and standing for defoaming. By constructing an active stable microenvironment and an efficient transdermal delivery system, the technical problem that the animal umbilical cord extract serving as a core component is easy to inactivate and difficult to absorb is solved, and a faster and more stable skin structure remodeling effect is realized by utilizing the synergistic effect of the animal umbilical cord extract and functional components.

The invention relates to a skin structure forming quality control system and method. Comprising a six-axis industrial robot (1), a tail end quality detection unit (2), a rotary table (4), a supporting platform (5) and a control table (6). The tail end quality detection unit (2) is used for acquiring surface image information in real time and transmitting the surface image information back to the control console (6) for defect detection, and the control console (6) is used for controlling the tail end quality detection unit (2) to move and position to a defect area according to a defect detection result. According to the invention, the error rate of operators can be effectively reduced, the skin composite material forming efficiency is greatly improved, and the economic loss of enterprises is reduced.

The application discloses a flexible metal composite skin structure capable of regulating local out-of-plane deformation and belongs to the technical field of metal skin structures. The application introduces a paper-cut structure on the surface of a metal skin, regulates mechanical response by changing characteristic parameters such as a paper-cut pattern and a metal skin thickness, so that the structure has high ductility and small plastic deformation characteristics, and the structure can recover to original deformation after the expansion of a protrusion of a driving device, thereby ensuring the continuity of a wing aerodynamic shape. The application meets the basic requirements of application to a flexible skin of a deformation wing, provides a feasible selection for the fusion of a gasbag anti-icing mechanism and a deformation wing, and is expected to be widely applied in the fields of aircraft deicing, spacecraft deicing and deformation wings.

The invention discloses a flexible metal composite material skin structure capable of regulating and controlling local out-of-plane deformation, and belongs to the technical field of metal skin structures. The paper-cut structure is introduced to the surface of the metal skin, the mechanical response of the paper-cut structure is regulated and controlled by changing characteristic parameters such as a paper-cut pattern and the thickness of the metal skin, so that the structure has the characteristics of high ductility and small plastic deformation, and the structure can recover to original deformation along with retraction of the driving device after expanding and protruding along with the driving device; and the aerodynamic configuration continuity of the wing is ensured. Basic requirements of flexible skin applied to the deformable wing are met, a feasible choice is provided for fusion of an air bag anti-icing and deicing mechanism and the deformable wing, and the method is expected to be widely applied to the fields of aviation, spacecraft deicing, deformable wings and the like.

This invention discloses a smart responsive flame-retardant polypropylene foamed beads, its preparation method, and its application, specifically relating to the field of flame-retardant polymer foam materials technology. The preparation method includes firstly, co-extruding a skin melt and a core melt into a composite die to form a core-skin structure melt strip with the core melt as the core and the skin melt as the skin. The core-skin structure melt strip is then pelletized to obtain composite PP substrate microparticles. These microparticles are then placed in an EPP autoclave foaming equipment, where they undergo impregnation and stirring, programmed pressure relief, crushing, centrifugal drying, and fluidized bed drying to obtain composite EPP foamed beads. This invention, through the synergistic design of core-skin functional partitioning and smart responsive components, transforms the traditional passive and dispersed flame-retardant mode into an active and centralized high-efficiency barrier mode, achieving intelligent and efficient flame retardancy.

A card cutting tool effectively solves the problems that when a card is cut at present, the card is prone to displacement and inclination, and the right angle is prone to pricking the skin. Comprising a bottom plate, a sliding way is fixed to the rear side of the bottom plate, a sliding strip is slidably connected to the sliding way, a limiting mechanism is arranged on the sliding strip, the sliding strip is rotationally connected with two front-back opposite swing rods, a pressing plate is fixed to the lower ends of the two swing rods, a lower cutter is fixed to the right end of the bottom plate, and an upper cutter capable of being matched with the lower cutter is arranged on the right side of the bottom plate and can move up and down. The rear end of the upper cutter and the rear end of the lower cutter are both in a fillet shape, a plurality of scale grooves distributed in the left-right direction are formed in the upper surface of the sliding way, and numerical values are arranged on one sides of the scale grooves. The cutting device is ingenious in structure, convenient to use, simple in structure, easy to popularize and use, capable of preventing the problems of shifting or cutting inclination due to the fact that hands touch cards needing to be cut by mistake, capable of improving the cutting effect and improving the hand feeling during use and capable of avoiding skin puncturing.

The application relates to an intelligent skin multi-modal measurement system and method based on a FBG cone cavity and a bending composite microstructure. The system comprises a sensing module, an optical sensing module, a data acquisition and processing module, a force output module and a temperature control module; the sensing module comprises a flexible skin structure and a cone FBG and bending single-mode fiber composite structure embedded in the inside of the flexible skin structure; the cone FBG and bending single-mode fiber composite structure comprises a cone FBG section and a bending single-mode fiber section integrated in the same optical fiber; the optical sensing module and the data acquisition and processing module are optically connected with the cone FBG and bending single-mode fiber composite structure respectively; the force output module is used for applying a normal force to the flexible skin structure; and the temperature control module is used for providing a constant temperature field for the flexible skin structure. The application can realize accurate measurement of temperature and normal force and complete multi-modal sensing of the intelligent skin.

The application discloses a mechanical arm skin structure for protecting human body and a manufacturing method thereof, and relates to the field of mechanical arms, which comprises a movable mechanical arm, a sensing skin wrapped outside the mechanical arm, and a controller electrically connected with the mechanical arm and the sensing skin, wherein the sensing skin triggers the controller when touching the human body outside the world, so that the controller controls the mechanical arm to stop; the sensing skin comprises a base layer arranged on the mechanical arm, a plurality of sensor units arranged in parallel on the base layer, and a protective layer for covering and protecting the sensor units. The application can reduce the risk of accidental injury of the staff when operating the mechanical arm, and can protect the safety of the staff by pasting the sensing skin on the surface of the mechanical arm and constructing a weak electrostatic field on the sensing skin, and by monitoring the position and speed of the staff in real time through the electrostatic induction caused by the human body entering the electrostatic field. When the staff mistakenly enters a dangerous area, the staff can slow down, avoid or even stop to avoid the danger according to the speed of the staff.

The utility model provides an aircraft skin patching and repairing training device, which belongs to the technical field of aircraft maintenance and comprises an operation platform and a simulated skin structure. The simulated skin structure is designed according to a skin structure needing to be simulated and reduced and fixedly installed on the operation platform, a patching area is arranged on the simulated skin structure, and the shape of the patching area 3 is set according to the skin damage type needing to be simulated. According to the utility model, simulation reduction can be carried out according to different damage states of skin subjected to patching training, under-machine training opportunities are provided for operators, on-machine skin patching repair is simulated, and the influence of factors such as limited on-machine operation is avoided, so that operations such as patching and riveting in different states are mastered skillfully, and the operation level is improved.

The utility model relates to the field of rehabilitation medicine manufacturing, and particularly discloses an artificial breast with a skin structure imitating the shape of a human chest. The light emitting diode comprises a skin structure and a lattice structure, the outer skin structure is a shell wrapping the crystal structure, and the lattice structure is constructed from the outer skin structure; the shape of the outer skin structure imitates the shape of the chest of a human body; and the lattice structure is constructed by modeling by using a Thiessen polygon 3D model. The skin structure and the lattice structure are obtained by printing through 3D printing equipment. By means of the 3D printing technology, in-vitro scanning is adopted, a patient breast model is constructed, and the artificial breast in the shape conforming to ergonomics is manufactured, so that the artificial breast is suitable for bras of different styles and functions.

The invention relates to the field of lighting devices, and particularly discloses a light-emitting device for a beauty mask, which comprises a purple light unit and a fluorescent glue layer, and the purple light unit is used for emitting purple light. Irradiation light emitted by the light-emitting device comprises light of a first wave band, light of a second wave band and light of a third wave band; the wavelength range of the light of the first wave band is 400 nm to 530 nm, the wavelength range of the light of the second wave band is 600 nm to 660 nm, and the wavelength range of the light of the third wave band is 810 nm to 1100 nm; in the irradiation light, the proportion of the light of the first wave band is smaller than or equal to 45%, the proportion of the light of the second wave band is larger than or equal to 10%, and the proportion of the light of the third wave band is larger than or equal to 10%. Based on the irradiation light of the specific wave band, the synergistic effect of oil control and inflammation resistance of surface skin, repairing and tightening of middle skin and structure remodeling of deep skin can be achieved, the skin state is effectively improved, and the effect of maintaining beauty and keeping young is achieved.

The present application relates to a kind of for sensitive skin improves mood stress skin aging composition preparation and application, belong to cosmetic technical field.The raw material of the composition for sensitive skin improves mood stress skin aging provided in the present application includes mulberry root extract, figwort flower extract, with distance stone branch algae extract, palmitoyl tetrapeptide-7, wherein with distance stone branch algae extract is prepared by bidirectional liquid fermentation method, four ingredients scientific compound, form " source control cortisol-skin structure repair " complete path, through target point clear, ring interlocking synergies, it is realized to sensitive skin mood stress skin aging Systematic improvement, provides a kind of mild, efficient and mechanism clear solution for sensitive skin anti-aging.

This invention discloses a self-adhesive hydrogel photoelectrode, array, device, application, and evaluation method. The self-adhesive hydrogel photoelectrode comprises a self-adhesive hydrogel optical fiber and at least one flexible fiber electrode. The optical fiber has a core-skin structure; the skin is composed of adhesive polymers such as polyvinyl alcohol, polyacrylic acid, and polydopamine, while the core is a transparent hydrogel. The flexible fiber electrode comprises conductive materials such as graphene oxide, carbon nanotubes, and polypyrrole. The flexible fiber electrode is directly integrated onto the surface of the optical fiber through the adhesion of the fiber skin, forming a heterogeneous structural unit integrating optical transmission and electrical conduction. This technology relies on a dynamic interface bonding mechanism to achieve stable and reconfigurable heterogeneous integration in a humid environment. The device simultaneously possesses low optical loss, high conductivity, strong tissue adhesion, and excellent biocompatibility, making it suitable for implantable neural modulation and signal acquisition, in vitro testing, and interface reliability assessment.

The utility model provides a kind of bendable composite wood-plastic wallboard, it is related to wood-plastic wallboard technical field, including door skin structure and base plate structure;The door skin structure and base plate structure are all using wood-plastic material;The door skin structure is glued and fixed with base plate structure;Multiple notch structures are set on the base plate structure after being glued with door skin structure, when bending, multiple baffle sides away from door skin structure are glued and fixed and form a support special-shaped surface, by being set as the composition form of the glue joint of door skin structure and base plate structure, and door skin structure and base plate structure are all using wood-plastic material, on the side away from door skin structure of base plate structure, paste glue, the side away from door skin structure of base plate structure is glued and fixed and form a support special-shaped surface, solve the problem that the front of wallboard after bending forming can highlight muscle mark and wave uneven, improve the service life after wallboard bending.

The present disclosure provides a positioning tool for wing skin and a wing positioning processing device; the positioning tool for wing skin comprises a supporting base, a position detection mechanism and at least three wing positioning mechanisms; the position detection mechanism is installed on the supporting base; the at least three wing positioning mechanisms are arranged in sequence along the length direction of the wing framework and are respectively fixedly connected with the supporting base; when the skin structure is placed on the outer surface of the wing framework on the supporting base, the position of the skin structure can be obtained through the position detection mechanism, then the corresponding part of the skin structure is fixed on the corresponding position of the wing framework through the at least three wing positioning mechanisms, so that the skin structure keeps adhering to the wing framework during riveting, and whether the skin structure is displaced during riveting can be monitored in real time through the position detection mechanism, thereby reducing the displacement accumulation between the skin structure and the wing framework and improving the overall quality of the wing.

The invention provides a skin structure and electronic equipment. The skin structure comprises a substrate; the antenna radiator is arranged on the substrate; the supporting layer is arranged on the side, provided with the antenna radiator, of the substrate, the supporting layer is provided with a hollowed-out area, and the antenna radiator is exposed out of the hollowed-out area; and the wave-transparent layer is arranged on one side, far away from the substrate, of the supporting layer, and the wave-transparent layer covers the hollow area. The skin structure has the advantages of high integration level, high space utilization rate and the like.

This invention relates to a system and method for human authentication utilizing a graphene membrane for human skin scanning, imaging, and communication to determine unique neuron patterns for use in authentication and psychological profiling. The system employs a graphene membrane, which integrates unobstructed optical, ultrasound, and capacitance sensors within a distributed computing smartcard format device. The graphene membrane optical sensors capture high-resolution images of fingerprint ridges and valleys, while the ultrasound sensors generate detailed 3D maps of both surface and subsurface skin structures. Capacitance sensors measure the electrical properties of the skin, further enhancing the biometric data obtained. The biometric data is combined and used to identify distinct neuron patterns embedded in the skin. The system may be manufactured in compact card format and durable, ensuring seamless integration into standard identification card formats and to act as a consensus node for Proof-of-KYC (Know Your Customer).

This invention discloses a multimodal, reconfigurable, and scalable interactive flexible electronic skin. The flexible electronic skin proposed in this invention includes a flexible sensing array, a light-emitting interaction unit, a data reading and processing unit, and an array reconstruction unit. The flexible sensing array is connected to the data reading and processing unit and a microcontroller unit. The microcontroller unit is connected to the light-emitting interaction unit, the flexible electronic skin expansion interface, a bus communication unit, and the flexible electronic skin data output interface. Adjacent skin structure units are connected through the flexible electronic skin expansion interface. The microcontroller unit controls the data reading and processing unit to achieve switching and reconstruction of the sensing modes of the flexible sensing array. The flexible electronic skin of this invention features multimodal proximity sensing, intuitive visualization of detection results, and reconfigurable and scalable functions, which is beneficial for achieving large-area coverage on the robot body, ensuring the safety of the human-computer interaction process, and improving the smoothness of the human-computer interaction process.

To provide a railway vehicle provided with a body structure having a butting joint which can continuously butt and weld a plurality of single skin shapes (including those partially having double skin structures) arranged side by side while suppressing the occurrence of misalignment between surface plate parts and which can reduce the number of preparation steps and the number of welding steps, and a method for manufacturing the same.SOLUTION: A railway vehicle 10 comprises a body structure DW including a plurality of single skin shapes 1S partially having double skin structures 1W formed by connecting the other surface plate part 1b facing one surface plate part 1a by a web part 1c or a plurality of single skin shapes 1SB composed of one surface plate part, and a butting joint 2 for butting and welding the single skin shapes at the width ends HT of one surface plate part. The butting joint includes a butting welding part 21 that welds the width ends of one surface plate part, and a fitting part 22 that fits together thickness-increasing parts NA formed at the width ends of one surface plate part. The butting welding part and the fitting part are formed adjacent to each other in the plate thickness direction of one surface plate part.SELECTED DRAWING: Figure 6

The utility model belongs to the field of textile machinery accessories, and particularly relates to a high-strength roller leather sheath structure which comprises a roller and a leather sheath body, a screw is arranged on the leather sheath body, folding sleeves are arranged at two ends of the leather sheath body, the screw is rotated out of the leather sheath body and a connecting piece, the connecting piece is pulled out of a connecting groove, and the leather sheath body is separated from the roller. During installation, a screw penetrates through the leather sheath body and is fixed to the connecting piece, a fixing cover on the screw is completely submerged in the storage hole, and meanwhile, a plurality of friction blocks are installed on the leather sheath body, so that friction force can be reduced; the folding sleeves are installed on the two sides of the leather sheath body, and the sum of the length of the leather sheath body and the length of the two folding sleeves is larger than the length of the roller; the turnover sleeve can be folded outwards and then fixed through a screw, and the leather sheath body does not displace; compared with the prior art, the strength and durability of the leather sheath body are enhanced, and the service life of the leather sheath body is prolonged.

The invention belongs to the technical field of cosmetic preparation, and particularly relates to a plant extract composition for repairing sensitive skin and a preparation method of the plant extract composition. The chamomile extract, the purslane extract, the scutellaria baicalensis extract, the centella asiatica extract, the calendula extract, the salvia miltiorrhiza root extract and the witch hazel extract are specifically combined, and the raw materials can inhibit release of inflammatory factors and exert a higher anti-inflammatory effect; meanwhile, the natural active ingredients in the extract can fundamentally regulate the inflammatory response of the skin and enhance the elasticity and compactness of the skin, so that the damaged skin structure is favorably repaired, and the overall health state of the skin is improved; in addition, the composition is extracted from plants, is mild and does not cause additional stimulation to sensitive skin. Therefore, the plant extract composition provided by the invention not only has a good repairing effect, but also is green and safe.

The invention discloses a multi-structure carrier of recombinant III-type humanized collagen microspheres as well as a preparation method and application of the multi-structure carrier. The multi-structure carrier comprises an inner phase, a middle phase and an outer phase, the recombinant III-type humanized collagen microspheres and hydrogenated lecithin form a chimera which is located in the inner phase; the middle phase is composed of three kinds of grease similar to skin structures, namely phytosterol ester, squalane and polyglycerol-3 diisostearate; the external phase is a sodium hyaluronate aqueous solution. Through W / O / W double emulsification design, recombinant III-type humanized collagen microspheres and hydrogenated lecithin form a chimera and then are wrapped heavily, so that the environmental stability, biocompatibility and transdermal performance of the recombinant III-type humanized collagen microspheres are improved, and the recombinant III-type humanized collagen microspheres have immediate moisturizing and slow-release effects and can be applied to preparation of a skin care product. The effects of long-acting slow release, efficient transdermal and three-dimensional repair of the recombinant III-type humanized collagen microspheres are achieved, and the recombinant III-type humanized collagen microspheres are suitable for high-end cosmetics or medical instruments.

The present application relates to air spring dynamic stiffness estimation technical field, provide a kind of air spring bag skin dynamic stiffness acquisition method and system, wherein method includes: obtaining the effective area radius of air spring and, the structural parameters of bag skin's ear section and the material parameters of bag skin;Based on effective area radius, the structural parameters of ear section and the material parameters of bag skin, determine the dynamic stiffness value generated by curling of ear section;Based on the dynamic stiffness value generated by curling of ear section and preset correction coefficient, determine the dynamic stiffness value generated by structural deformation of bag skin.Based on directly measured parameters and air spring design structural parameters, to solve the defect that the dynamic stiffness generated by the structural deformation of bag skin of air spring cannot be effectively estimated in the prior art, the effective estimation of bag skin dynamic stiffness is realized, to make it possible for air spring dynamic stiffness to change nonlinearly with amplitude Modeling, and provide guidance for air spring bag skin structure material selection and forward design.