32 results about "Elastic substrate" patented technology

The present application relates to the field of geophysical well logging, and discloses a fiber-optic sensing acoustic wave detector based on an elastic substrate for supporting multi-directional detection, which comprises a fiber-optic sensing acoustic wave detector body, a plurality of acoustic wave receivers arranged in an equicircular central angle form inside the fiber-optic sensing acoustic wave detector body, an elastic substrate and a fiber-optic cable arranged in each acoustic wave receiver, the elastic substrate is used for sensitization, a through hole is arranged between the central position of the top surface of the elastic substrate and the central position of the bottom surface of the elastic substrate, the fiber-optic cable is fixed on the elastic substrate and used for conducting a laser pulse signal, the fiber-optic cable passes through the through hole and extends to the inside of the elastic substrate, and a grating is engraved on the position where the fiber-optic cable is located inside the elastic substrate, the grating is used for reflecting the laser pulse signal. The circumferential direction receiving can be realized simultaneously, the fiber-optic cable winding is not needed, and defects such as serious optical attenuation and fiber-optic cable breakage caused by too small curvature radius of the fiber-optic cable winding can be avoided.

An impact-resistant, sealing and cooling integrated bearing of a pneumatic starter comprises an inner ring, an outer ring, rolling bodies and a sealing cover, the inner ring is composed of a first inner ring and a second inner ring which are detachably connected, and the rolling bodies are assembled on the outer surfaces of the first inner ring and the second inner ring respectively; first grooves are symmetrically formed in the inner circular surface of the outer ring, a buffering base body is embedded in the grooves, and the buffering base body comprises a honeycomb-shaped elastic base body and a plurality of wave-shaped metal elastic rings arranged on the honeycomb-shaped elastic base body in a sleeving mode; an annular main channel and an integrally-formed boss are arranged in the outer ring, a plurality of contact blocks are arranged on the boss, each contact block is fixedly connected with a flow guide block located in the annular main channel through a connecting rod, a friction disc is further arranged between the rolling bodies, and a plurality of protrusions connected with the outer edge of the friction disc are arrayed on the friction disc. Impact energy is absorbed through the buffering base body, the pressure of the cavity is monitored and regulated in real time through the pressure sensor, self-adaptive regulation of the flow of cooling liquid is achieved by driving the flow guide block through the friction disc, and the impact resistance, the sealing performance and the cooling efficiency of the bearing are remarkably improved.

The present disclosure relates to methods and apparatuses for stretching, transferring, and bonding elastic parts under tension to an advancing carrier substrate during the assembly of absorbent articles. A continuous carrier substrate may be advanced in a machine direction at a first speed, and a discrete elastic part may be cut from a continuous elastic substrate having a direction of stretch in a cross direction. The speed of the discrete elastic part is changed from a second speed to the first speed, and the central region of the discrete elastic part is stretched in the cross direction. The discrete elastic part is bonded with the continuous carrier substrate such that the stretched central region extends in the cross direction between the first and second longitudinal edges of the continuous carrier substrate. The discrete elastic part may also be bonded with the carrier substrate with adhesive and / or mechanical bonds.

The application provides a flexible magnetic sensor array and a preparation method thereof, and the flexible magnetic sensor array comprises a high-elasticity substrate film layer, an array rigid island layer and a magnetic sensor layer, the array rigid island layer comprises a plurality of rigid islands arranged in an array on the high-elasticity substrate film layer, the magnetic sensor layer comprises a magnetic sensor arranged on each rigid island, each rigid island draws a plurality of elastic electrodes from the magnetic sensor, all the elastic electrodes are arranged on the high-elasticity substrate film layer in a matched mode and are drawn to the edge of the high-elasticity substrate film layer, the Young's modulus of the magnetic sensor is greater than the Young's modulus of the rigid island, and the Young's modulus of the rigid island is greater than the Young's modulus of the high-elasticity substrate film layer. The high-elasticity substrate film layer, the array rigid island layer and the magnetic sensor layer of the application have a modulus gradient structure and have a strain isolation effect under deformation, so that the high-elasticity substrate film layer bears most of the strain and the original performance of the magnetic sensor is ensured.

The invention discloses an interface hydrogel enhanced elastic conductor and a manufacturing method thereof, and the elastic conductor comprises a printed electrode layer which is formed on an elastic substrate through silk-screen printing of conductive ink containing a silver sheet; and the interface hydrogel layer covers the surface of the electrode layer in a cross-linking manner, and the interface hydrogel layer and the silver sheet have an interface effect, so that the conductivity and the stretchability of the elastic conductor are improved. According to the elastic conductor, the hydrophilic interface hydrogel layer is constructed on the surface of the printed electrode layer in situ, strong interface bonding is formed between the hydrophilic interface hydrogel layer and the printed electrode layer, and in the cyclic stretching process, the resistor is rapidly recovered after deformation.

The invention discloses a preparation method of an elastic modulus programmable flexible substrate. Comprising the following steps: mixing an elastomer prepolymer with a corresponding curing agent, stirring, carrying out vacuum defoaming, spin-coating on the surface of a substrate coated with a polymer film, and heating and curing; carrying out plasma treatment and then spin-coating a photocuring adhesive on the surface of the substrate; irradiating the photo-curing adhesive region by using laser according to a pre-designed pattern, and adjusting the laser scanning times of different regions to form an elastomer substrate with a gradient elastic modulus; and removing the uncured light curing glue and stripping the obtained elastomer substrate from the substrate. The elastic substrate with the modulus gradient can be widely applied to flexible electronic devices, can effectively prevent devices from being damaged due to external force stretching especially in the aspects of protecting strain-sensitive electronic components, chip pins, strain-insensitive devices and the like, and has better adaptability and stability.

This application provides an aperture, a camera module, and an electronic device. The aperture includes an elastic substrate and multiple light-shielding plates. The elastic substrate extends in a ring, and the light-shielding plates are distributed along the circumferential direction of the elastic substrate. In the light-transmitting direction of the aperture, any two adjacent light-shielding plates are staggered, and the orthographic projections of any two adjacent light-shielding plates overlap or are adjacent to each other. The orthographic projections of each light-shielding plate form a light-shielding ring, and the middle area of ​​the light-shielding ring is the light-transmitting area. The two ends of the elastic substrate are a first end and a second end, respectively. When the first end and the second end move relative to each other along the circumferential direction of the elastic substrate, the elastic substrate can elastically expand or elastically contract to change the aperture of the light-transmitting area.

The invention provides a slice type fracture water seepage pressure testing device which comprises a detection module, the detection module comprises an elastic substrate, a strain gauge and a waterproof layer, the strain gauge is arranged on the elastic substrate, the waterproof layer at least covers the strain gauge, and the strain gauge is used for detecting the water seepage pressure of the fracture when the detection module is arranged in the fracture. Different deformation quantities are generated according to different water pressures in the fractures; the signal input end of the processing module is connected with the signal output end of the strain gauge, and the processing module is used for collecting the deformation quantity of the strain gauge according to a preset sampling frequency range, obtaining the water pressure of the crack according to the deformation quantity of the strain gauge and recording the obtained water pressure along a timeline. According to the slice-type crack water seepage pressure testing device, the slice-type detection module can be easily inserted into a crack with a narrow space and can be matched with the processing module to accurately test the crack water seepage pressure, the overall structural design of the device is simple, and the manufacturing cost is effectively reduced.

According to the technical scheme, the elastic insole is characterized by comprising a cushioning layer, an elastic base plate and secondary elastic pieces, the elastic base plate comprises a lower supporting part and an upper supporting part protruding relative to the lower supporting part, and the cushioning layer is arranged below the upper supporting part; the secondary elastic part is arranged above the upper supporting part, the insole of the sports shoe is composed of the elastic insole, and plant microcapsule antibacterial materials are added to the surface layer of the embedded part. The insole has the advantages of being good in rebound resilience, comfortable in foot feeling and free of peculiar smell residues, and the cushioning requirement of a large-weight user can also be met.

The invention relates to the field of disposable hygienic products, in particular to an elastic lug paper diaper which comprises a paper diaper body, the paper diaper body comprises a front waist area, a crotch area and a rear waist area, and elastic lugs are arranged on the two transverse sides of the rear waist area respectively. Each elastic lug comprises a base part fixedly connected with the back waist area, an elastic base material connected with the base part and a lug body connected with the elastic base material, and the elastic base material has flexibility in the transverse direction; a peelable joint sticker is arranged on the inner side of the elastic lug; a waistline elastic piece is arranged in the middle of the rear waist area and comprises a plurality of waistline rubber bands distributed in the transverse direction and wrapping layers wrapping the outer sides of the waistline rubber bands, and the waistline rubber bands are divided into a first subarea, a second subarea and a third subarea in the longitudinal direction. The technical problem that good balance between the flexibility and the stability of elastic ear stickers of an existing paper diaper is difficult to achieve is solved. The invention further provides a forming process of the paper diaper with the elastic lugs.

The invention relates to the technical field of flexible electronic devices, in particular to a stretching device and a preparation method of a flexible stretchable magnetic electronic device.The preparation method comprises the following steps that firstly, an elastic substrate is prepared, a PI nanofiber substrate is generated according to the electrospinning technology, and then a PI middle layer is printed on the basis of the fused deposition 3D printing technology; step 2, preparing a connecting bridge, taking elastic fiber yarns as a middle core, and winding conductive yarns on the middle core; step 3, preparing a flexible electronic device template, and connecting conductive yarns with the PI intermediate layer; 4, tensile property testing, wherein the tensile property is measured through a tensile device; the method is used for guaranteeing the interface bonding stability in the bonding process of the flexible substrate and other substances, and the stretching requirement and measurement in the complex curved surface stretching process are met.

The invention relates to an elastic dry-grinding diamond grinding wheel, and belongs to the field of dry-grinding grinding wheels. Comprising a plurality of elastic grinding pieces, a plurality of supporting blocks and a grinding wheel base body, and the elastic grinding pieces and the supporting blocks are sequentially and alternately arranged in the circumferential direction of the grinding wheel base body and fixedly installed on the end face of one end of the grinding wheel base body; the elastic grinding piece comprises an elastic base plate and a diamond grinding layer, the elastic base plate comprises a mounting section, an elastic transition section and a working section, the mounting section is fixedly arranged at one end of the elastic transition section, the working section is obliquely and fixedly arranged at the other end of the elastic transition section, the mounting section is fixedly connected with the grinding wheel base body, and the diamond grinding layer is fixedly connected to the circumferential side wall of the working section. Rigid impact grinding is buffered through elastic deformation, the damage risk of a grinding wheel and a workpiece is reduced, and the safety of the grinding process is improved.

This invention proposes a lightweight fire-resistant ship cabin wall panel, comprising a cabin wall panel body, wherein the cabin wall panel body includes a buffer layer, and a first reinforcing layer and a second reinforcing layer are respectively connected to the upper and lower surfaces of the buffer layer. The buffer layer of this invention features an elastic substrate formed by an "S" bend, with a corrugated buffer portion in the middle, providing excellent cushioning and shock absorption performance against vibrations and impacts to the panel. Sound-absorbing panels are connected to both the upper and lower parts of the elastic substrate; these sound-absorbing panels are sound-absorbing foam panels with internal air cavities, and the porous structure effectively absorbs and reflects sound waves, reducing noise.

The invention belongs to the technical field of flexible sensors, and particularly relates to a preparation method of an MXene gradient fold strain sensor. The preparation method comprises the following steps: selecting a super-stretched acrylic acid film as an elastic substrate, applying pre-stretching stress to the elastic substrate, spraying MXene dispersion liquid to different areas of the elastic substrate according to different preset layer numbers, and then releasing the pre-stretching stress to obtain the gradient micro-wrinkled MXene film; and finally, assembling copper electrodes at two ends of the gradient micro-wrinkled MXene thin film by using conductive silver paste, and packaging by using a polydimethylsiloxane solution after curing. The contradiction between high sensitivity and a wide strain range is solved through the gradient micro-fold structure, stable response capability is achieved in the wide strain range, the MXene film and the elastic substrate are firmly combined, signal output stability is ensured, and the sensor has the rapid response characteristic and environment endurance capability and can be widely applied to the field of biosensors. The method has wide application prospects in the fields of electronic skin, health monitoring and the like.

The present disclosure relates to methods and apparatuses for stretching, transferring, and bonding elastic parts under tension to an advancing carrier substrate during the assembly of absorbent articles. A continuous carrier substrate may be advanced in a machine direction at a first speed, and a discrete elastic part may be cut from a continuous elastic substrate having a direction of stretch in a cross direction. The speed of the discrete elastic part is changed from a second speed to the first speed, and the central region of the discrete elastic part is stretched in the cross direction. The discrete elastic part is bonded with the continuous carrier substrate such that the stretched central region extends in the cross direction between the first and second longitudinal edges of the continuous carrier substrate. The discrete elastic part may also be bonded with the carrier substrate with adhesive and / or mechanical bonds.

This invention discloses a potting protective component and a water meter, relating to the field of water meter technology. It includes a first annular sealing component and a resilient keypad. The front end of the first annular sealing component abuts against the inner wall of the front housing, and the rear end of the first annular sealing component abuts against the circuit board of the water meter. The resilient keypad includes an elastic substrate, a second sealing component, and multiple resilient buttons disposed on the front side of the elastic substrate. The rear end of the elastic substrate abuts against the circuit board, forming a button cavity between each resilient button and the circuit board. The rear end of the second sealing component abuts against the circuit board, forming an exhaust cavity between the front housing, the second sealing component, and the circuit board. Each button cavity is connected to the exhaust cavity, thereby saving equipment costs, simplifying the process operation, reducing the cost and time of manual training, improving work efficiency, preventing AB glue from entering the button cavity, and making the resilient buttons easy to press and rebound.

A flexible perovskite LED (PeLED) device that includes a flexible PDMS substrate, a PEO-modified PEDOT:PSS transparent anode, a (CH3NH3PbBr3) / PEO composite emissive layer, a PEI buffer layer, and an AgNW cathode is disclosed. Methods of producing the PeLED are disclosed that include printing all layers under atmospheric conditions using a printing device to pattern an anode ink, a perovskite ink, a buffer polymer ink, and a cathode ink, with each layer annealed on-site at temperatures sufficient to evaporate the solvents in each ink.

The invention provides a fiber integrated circuit device which is provided with an elastic matrix and a functional circuit layer wrapped in the elastic matrix, the fiber integrated circuit device is formed by winding a planar preform along an axis, and a multi-layer spiral laminated fiber body is formed; the planar prefabricated body comprises an elastic substrate, a functional circuit layer arranged on the elastic substrate, and an interlayer bonding layer covering the functional circuit layer; wherein the edge of one side, perpendicular to the winding direction, of the elastic substrate is provided with a local thickening structure, and the local thickening structure is located at the axis position of the fiber integrated circuit device after being wound to form a supporting core part; the interlayer bonding layers are continuously distributed in at least part of the circumferential range in the radial direction of the fiber integrated circuit device so that bonding between the adjacent spiral layers can be achieved. The invention also provides a preparation method and application of the fiber integrated circuit device.

The application relates to a skin pre-coating film and a manufacturing method thereof, which comprises a hot melt adhesive layer, a substrate layer, a matte elastic layer and a skin layer which are sequentially stacked. The material for forming the matte elastic layer comprises a matte water-based polyurethane and a high-gloss water-based polyurethane, the matte water-based polyurethane is a self-matting resin, the skin layer adopts a solvent-free UV resin system, contains a UV resin, a photoinitiator and a functional additive selected from matting powder, fluff powder, PP short fibers and silicone microspheres, clear lines are formed by UV curing technology and skin roller pressing, and various touch feelings and adjustable gloss are realized. The 60-degree gloss of the matte elastic layer is in the range of 0.5-20 degrees, an elastic substrate and an adjustable visual background are provided. The manufacturing method comprises the steps of preparing coating liquids of various layers, coating and curing to form the matte elastic layer, embossing and curing to form the skin layer and the like. Through the cooperative design of the matte elastic layer and the skin layer, the visual level, the touch reality and the outline clarity of the skin effect are improved.

The invention provides a preparation method of an ultrathin elastic biological electrode based on liquid metal. The preparation method comprises the following steps: spin-coating a sacrificial layer on the surface of a rigid substrate; spin-coating the sacrificial layer with a diluted solution of an elastic high polymer material, and performing semi-curing treatment on the rigid substrate to obtain a semi-cured elastic substrate; normal-temperature solid metal deposition and low-temperature liquid metal deposition are sequentially carried out on the semi-cured elastic substrate, and the semi-cured elastic substrate is completely cured through heat generated in the deposition process to form an elastic substrate; biogel is generated on the surface of the liquid metal film formed through deposition in an electrostatic spinning mode; the sacrificial layer is dissolved to release the elastic substrate deposited on the sacrificial layer and the solid metal film and the liquid metal film on the elastic substrate, and the ultrathin elastic biological electrode patch is obtained. The ultra-thin elastic biological electrode prepared by the method is good in conductivity, high in conformality with the skin and relatively high in adhesion capacity, and has a good application prospect in the field of elastic electronic skin.

To overcome the problem that existing stretchable circuit boards cannot simultaneously achieve stretchability and fracture resistance reliability, this invention provides a stretchable flexible circuit board and its manufacturing method, comprising an elastic substrate, a circuit layer, and an elastic encapsulation layer. The circuit layer is located between the elastic substrate and the elastic encapsulation layer. The elastic substrate includes an elastic resin body and elastic wires. There are multiple elastic wires, which are embedded in the elastic resin body in parallel and spaced intervals. Each elastic wire includes an elastic resin wire body and a fiber bundle. The fiber bundle is spirally wound around the outer wall of the elastic resin wire body.

The utility model provides an antenna bending device and antenna mounting equipment, and the antenna bending device comprises a bearing jig which is provided with an elastic substrate for supporting an antenna workpiece; the stamping mechanism comprises a stamping driving part and a stamping block, the stamping block is provided with a strip-shaped protrusion, and the stamping driving part is connected with the stamping block and can drive the stamping block to move towards the positioning part, so that the strip-shaped protrusion extrudes the edge, adjacent to the pre-bending part, of the positioning part, and the pre-bending part is tilted; and the bending mechanism comprises a bending driving piece and a bending block, and the bending driving piece is connected with the bending block and can drive the bending block to move towards the tilted pre-bending part so as to bend the pre-bending part. In the bending process, preliminary bending is achieved through cooperation of the strip-shaped protrusion and the elastic substrate, the strip-shaped protrusion corresponds to the junction position of the positioning part and the pre-bending part, the crease position is accurate, the rejection rate is reduced, automatic bending can be achieved through the stamping driving piece and the bending driving piece, and the bending efficiency is improved.

The invention relates to the technical field of composite copper foils, in particular to a bionic multistage folded copper foil based on a prestress process and a preparation method thereof.The copper foil is of a composite structure and comprises a bidirectional elastic substrate and a copper foil-graphene composite conductive layer arranged on the substrate; the surface of the copper foil-graphene composite conductive layer is provided with'micron-nano 'bionic multistage wrinkles. According to the preparation method, a hard-phase polyimide microfiber-soft-phase amino-terminated polydimethylsiloxane dual-phase elastic substrate is constructed, and magnetostrictive particles are uniformly dispersed in the dual-phase elastic substrate, so that the mechanical supporting property of the substrate is improved through a hard-phase skeleton, and the high tensile resilience is guaranteed by virtue of a soft-phase matrix; the double-field coupling effect is further enhanced by introducing the magnetostrictive particles, and a mechanical foundation is laid for accurate forming of multi-stage wrinkles.

The invention relates to a linear adjustable pressure-slippage combined sensing liquid alloy flexible electronic skin for closed-loop grabbing of a robot, and relates to the technical field of liquid alloy microfluidic devices. Comprising an upper-layer elastic base body, a lower-layer elastic base body, a first liquid alloy micro-channel conduit array, a second liquid alloy micro-channel conduit array, a continuous insulation isolating layer and an end connecting structure, the first liquid alloy micro-channel conduit array is arranged in the upper-layer elastic matrix, and the second liquid alloy micro-channel conduit array is arranged in the lower-layer elastic matrix; the continuous insulation isolation layer is arranged between the first liquid alloy micro-channel conduit array and the second liquid alloy micro-channel conduit array; the end connecting structure is connected with the first liquid alloy microchannel catheter array and the second liquid alloy microchannel catheter array. A mutual capacitance sensing array is formed through upper and lower layering, orthogonal crossing and continuous insulation isolation layers, and flexible touch sense and slippage sensing of parts such as fingertips, palms and joints of a robot are achieved.

The present disclosure relates to methods and apparatuses for stretching, transferring, and bonding elastic parts under tension to an advancing carrier substrate during the assembly of absorbent articles. A continuous carrier substrate may be advanced in a machine direction at a first speed, and a discrete elastic part may be cut from a continuous elastic substrate having a direction of stretch in a cross direction. The speed of the discrete elastic part is changed from a second speed to the first speed, and the central region of the discrete elastic part is stretched in the cross direction. The discrete elastic part is bonded with the continuous carrier substrate such that the stretched central region extends in the cross direction between the first and second longitudinal edges of the continuous carrier substrate. The discrete elastic part may also be bonded with the carrier substrate with adhesive and / or mechanical bonds.

This invention relates to the fields of functional materials and intelligent sensing technology, and discloses a method for intuitively visualizing the stretching amount of a flexible adhesive. The method includes: providing a flexible adhesive with an elastic substrate capable of elastic deformation along the stretching direction; setting multiple patterned marking regions corresponding to different preset stretching thresholds on the surface of the elastic substrate; forming microgroove structures with differentiated structural parameters at corresponding positions on the elastic substrate to generate a differentiated stress concentration effect; forming color-developing layers containing mechanochromic materials with different bulk crosslinking densities in each patterned marking region, with each color-developing layer collectively constituting a patterned color-developing functional layer; through the synergistic effect of the differentiated stress concentration effect of the microgroove structure and the difference in bulk crosslinking density of the color-developing layers, each patterned marking region changes from a hidden state to a visible state when the corresponding stretching threshold is reached, thereby characterizing the stretching amount of the flexible adhesive through pattern visualization. This invention provides clear thresholds and high readability, and is suitable for scenarios such as motion protection, flexible electronics, intelligent packaging, and structural condition early warning.

This invention discloses a micro-nozzle assembly, a multi-powder feeding device, and a method, aiming to solve the problems of low efficiency and unstable process in multi-material additive manufacturing in the prior art. The multi-powder feeding device includes a fixing frame and multiple micro-nozzle assemblies mounted thereon. The core of this micro-nozzle assembly lies in the fact that a portion of its body is formed as a common elastic substrate with slits, thereby defining multiple independently bending and vibrating vibrating corridors. By independently driving each vibrating corridor through multiple electro-actuated elements, the on-demand feeding of various powders can be precisely controlled, eliminating the need for the traditional "powder suction-filling" process and significantly improving the efficiency and stability of multi-material additive manufacturing.

The present disclosure mainly relates to a nonlinear resistance strain sensor. The nonlinear resistance strain sensor includes an elastic substrate and a plurality of conductive substances. The plurality of conductive substances are uniformly distributed on the elastic substrate. When the elastic substrate is pulled, the length thereof corresponding increases, and the density of the plurality of conductive substances on the elastic substrate decreases, thereby changing the overall resistance thereof. In the above manner, the nonlinear resistance strain sensor of the present disclosure has nonlinear and high-sensitivity resistance strain performance.

In order to overcome the problems of large impedance and insufficient service life of the existing stretchable circuit board, the present application provides a stretchable circuit board and a preparation method thereof, the stretchable circuit board comprises an elastic substrate and an elastic packaging layer, the elastic packaging layer covers one side surface of the elastic substrate, one side of the elastic substrate towards the elastic packaging layer is formed with a fiber reinforced area, the fiber reinforced area is provided with a glass fiber layer penetrating in the elastic substrate, the fiber reinforced area is provided with a circuit slot, the glass fiber layer is partially penetrated in the circuit slot, the circuit slot is filled with a liquid metal coating, and a circuit pattern is formed by the liquid metal coating in the circuit slot.

The application provides a droplet directional transport material and a preparation method and application thereof, and relates to the technical field of microfluidics.The droplet directional transport material provided by the application comprises an elastic substrate and a rigid film with a wrinkle structure covering the surface of the elastic substrate;the preparation raw material of the elastic substrate comprises a base material, a photo-thermal nano material and an organic solvent;and the preparation raw material of the rigid film comprises one of gold, silver, platinum and lead.By covering the rigid film with the wrinkle structure on the surface of the elastic substrate, the photo-thermal effect can be used to achieve the erasing and regeneration of the wrinkle structure, and the droplet directional transport material provided by the application has the wrinkle structure with a wettability gradient, so that the reversible and repeatable droplet directional transport can be realized.