94 results about "Wrinkled structure" patented technology

The invention relates to a flexible polymer solar battery with a wrinkling structure, comprising a transparent electrode, a cavity transporting layer, photo-activation layer materials, an electron transporting layer and a metal electrode, wherein the photo-activation layer materials comprise a donor material and an acceptor material; the transparent electrode is made of graphene/PEDOT(poly(3,4-ethylenedioxythiophene):PSS(polystyrene sulfonate)/PET(polyethylene terephthalate) composite film; the hole transporting layer is made of a PEDOT:PSS film; an electron donor is made of P3HT; an electron acceptor is made of graphene/PEDOT:PSS composite particles; the electron transporting layer is made of a zinc-oxide film; and the metal electrode is made is silver. The flexible polymer solar battery is prepared by the following steps of: adopting an ink-jet printer to print a graphene/PEDOT:PSS transparent conducting layer, the hole transporting layer, active-layer materials, the electron transporting layer and metal slurry on a pre-stretched PET film in sequence, carrying out drying treatment on the materials under the temperature being 50-100 DEG C, then removing pre-stretching force and obtaining the flexible polymer solar battery with the wrinkling structure. The flexible polymer solar battery has the advantages that the sunlight utilization rate is high, the photoelectric conversion efficiency is high, the preparation process is simple and convenient, the mechanical stability is good, large-scale industrial preparation can be realized and the application prospect is wide.

The invention discloses an anti-collision alarming type highway guardrail with an automatic restoration function. The anti-collision alarming type highway guardrail comprises a guardrail body and a base, wherein the base comprises a support seat; the guardrail body comprises a transverse anti-collision damping system; the transverse anti-collision damping system comprises an anti-collision plate, a rubber sleeve, a telescopic rod, a slide block and a transverse spring; the outer side of the guardrail body is connected with the outside anti-collision plate through a slide block and a telescopic rod; a vertical wrinkle structure is arranged at the anti-collision plate; a rubber sleeve sleeves the outer side of the anti-collision plate; a plurality of transverse springs are arranged at the inner side of the anti-collision plate and are arranged between the telescopic rods; the number of the telescopic rods is at least two. The anti-collision alarming type highway guardrail has the advantages that the guardrail can be protected, and be automatically restored to the original shape; the restoration cost is reduced, and the safety of vehicles and persons is protected; drivers of other vehicles are reminded of the occurrence of accidents, and shall pay attention, so as to avoid rear-end collision.

The present invention relates to a radio frequency filter having a cavity structure, comprising: a container which has a hollow inner portion and a cavity that is cut off from the outside, and a resonance element which is placed in the hollow inner portion of the container, wherein the container has a wrinkled structure for adjusting the intervals between a longitudinal front end surface of the resonance element and the inner surfaces of the container facing the longitudinal front end surface using external pressure. Thus, the invention can be further miniaturized and is lightweight, and the design of the invention enables frequency tuning without employing a coupling structure of a tuning screw and a fastening nut, thereby obtaining a convenient and simplified structure.

The invention discloses a flexible display panel and a preparation method thereof. The flexible display panel includes an organic light emitting diode device array covering the upper surface of the substrate; A packaging film covering the upper surface of the organic light emitting diode device array and used for packaging the organic light emitting diode device array on the upper surface of the substrate, and the packaging film is formed with a wrinkled structure opposite to the surface of the organic light emitting diode device array; The technical scheme has the beneficial effect that the wrinkled structure formed on the upper surface of the packaging film is utilized to reduce the internal stress in the bending process of the flexible screen so as to ensure that the packaging film after bending can still be kept intact.

The invention discloses a space adjustable rubber flowerpot. The rubber flowerpot comprises a pot bottom (1) and a pot wall (2), wherein the pot wall (2) is of a wrinkled structure, and a rubber band (3) is sleeved outside the pot wall (2). According to the rubber flowerpot, a wrinkling principle and a rubber material design are utilized, so that the space of the flowerpot can be increased, seedlings can easily spread into a growing space during the growing process, moreover plants can also be conveniently removed with roots and soil blocks under the least damage condition and can be changed with a larger growing space, and the flowerpot has the advantages of convenience in use and low cost.

The embodiment of the invention provides a manufacturing method of a flexible display panel. The manufacturing method comprises the following steps of providing or preparing a module material; preparing a first organic material layer at the surface of the module material; preparing a metal route layer at the surface of the first organic material layer; performing heat treatment on the first organic material layer and the metal route layer, so as to enable the metal route layer to form a wrinkle structure at the surface of the first organic material layer. The manufacturing method has the advantages that by adopting the heat treatment technology to form the wrinkle structure on the metal route layer and the first organic material layer, the heat expansion difference of the metal route layerand the first organic material layer is utilized, so that the metal route layer can form the wrinkle structure; the preparation technology is simplified, the uniformity in bending of the metal routelayer is improved, and the problem of metal residues is solved when the wrinkle structure of the metal route layer is prepared by the etching technology and the like.

The invention discloses a refrigerating device which comprises a box body (3), a door body (2) and a door gasket (1). The refrigerating device is characterized in that the door gasket (1) comprises a first part (11) and a second part (12), the first part (11) comprises a plurality of connected air bags (111), the connected walls of the air bags are each of a telescopic wrinkle structure, and when the door gasket (1) is pressed, a first end face (11a) of the first part (11) is tightly attached to the box body (3); a first end (12a) of the second part (12) is connected with a second end face (11b) of the first part (11), and a second end is provided with a hook (12b) which is used for being clamped in a door groove, matched with the hook, in the door body (2) so as to be fixedly connected with the door body (2). The door gasket is simple in structure, sealing performance is good, the thickness is small when the refrigerating device is pressed, and quite high market competitiveness is achieved.

The invention relates to a preparation method of wrinkled graphene. The preparation method includes the following steps: (1) mixing a graphene oxide dispersion with ascorbic acid and hydroiodic acid to obtain a mixed solution; and (2) heating the mixed solution of the step (1) to obtain the wrinkled graphene. In the preparation method, the ascorbic acid and the hydroiodic acid act synergisticallyso as to efficiently reduce graphene oxide and enable the obtained graphene has a good wrinkled structure. The wrinkled structure can effectively inhibit the stacking of graphene nanosheet layers so as to obtain more fluffy graphene powder with low density. The wrinkled graphene powder can be more easily filtered out from a reduced dispersion, which solves the problem of difficult separation of graphene powder in practical application and greatly improves the production efficiency. Meanwhile, wrinkled surfaces of the graphene sheet layers are beneficial to the reinforcement of the shielding effect of electromagnetic waves.

The invention discloses a method for preparing an ordered porous film in an orthogonal embossing induction manner. The method comprises the following steps: preparing a pre-polymer from a PDMS pre-polymer and a cross-linking agent; degassing, drying and curing to obtain a PDMS elastic body; preparing a PDMS wrinkle template with strip-shaped wrinkles at different periods by adopting a mechanical stretching method; preparing a base with a macromolecular film; contacting the wrinkle template and the base face to face in a manner that the wrinkle directions of the wrinkle template and the base are mutually vertical; cooling the wrinkle template and the base at a macromolecular film glass transition temperature or a slightly high temperature for 1 hour to a room temperature; and removing the wrinkle template and forming a nano-grade ordered porous structure on the surface of a micron-grade wrinkle structure of a base thin film. According to the method, the ordered porous film is prepared from the PDMS wrinkle template in the orthogonal embossing manner, so that micron-grade wrinkles and nano-grade pores are organically combined, and the porous structure can be obtained by using simple instruments and equipment; and the utilization of the instruments with the high construction cost and the complicated operation steps are avoided.

A bionic wheeling-walking peristaltic soft-body robot mainly comprises a soft-body matrix, a walking mechanism, a driving mechanism and a terminal actuator, wherein the soft-body matrix is of a wrinkled structure which is formed by step by step casting of flexible silicon rubber in moulds and formed by connecting of a plurality of air cavities. The whole soft-body matrix comprises two independentair cavities. Each air cavity is connected with an air pump by an air pipe. The air pipes together with the air pumps form the driving structure. The soft-body matrix is installed on the walking mechanism and comprises a tyre mounting frame, a catch hoop, tyres, a one-way bearing and locknuts. The terminal actuator is installed on the tyre mounting frame on the end, not connected with the air pipes, of the soft-body matrix. The shape, the dimension and the flexibility of the soft-body matrix can be changed according to using requirements. The robot is able to work for a long time stably in harsh and complicated environments. The robot is high in flexibility, simple in structure, light in weight, good in pliancy and less in energy consumption, and an air source is convenient.

A composition for forming film having wrinkle structure and a method of forming the film are disclosed. The composition includes photo-curable agent and photoinitiator dissolved in the photo-curable agent. The cut off wavelength of light transmittance of the photo-curable agent is greater than the cut off wavelength of light absorbance of the photoinitiator. Photo-cured thin film is formed at the upper portion of composition layer at an initial time period of irradiation. By subsequent contraction, the photo-cured thin film forms wrinkles. The wrinkle structure is controlled by the relation of the cut off wavelength of light transmittance of the photo-curable agent and the cut off wavelength of light absorbance of the photoinitiator, the photo-curing rate of the composition and the thickness of the composition layer, and the photoinitiator concentration, etc., before photo-curing. The film may increase the emission efficiency of LED and OLED and the sensing effect of sensor.

The invention provides a high-conductivity elastomer, a preparation method thereof and a flexible stretchable antenna. Ultra-soft rubber is utilized as a basic structure unit. A rubber layer is firstly applied on pre-stretched rubber. Carbon nanotubes which are plated by thin-layer metal in different layers are utilized as a conductive layer. Then a rubber layer is sprayed on the conductive layer. Finally the pre-stretched rubber restores to an original length for forming the high-conductivity elastomer with a wrinkle structure. Furthermore the high-conductivity elastomer is utilized for preparing the flexible stretchable antenna. The high-conductivity elastomer has high stretching coefficient, high stretching fracture rate and excellent conductivity, wherein the stretching fracture rate reaches 800%. Furthermore, because of existence of the wrinkle structure, when the high-conductivity elastomer is stretched, and the total length of the conductive layer is substantially unchanged, so that when the elastomer is stretched by six times, high conductivity is maintained and resistance is basically unchanged, and furthermore performance is substantially unchanged after repeated stretching by 10000 times.

The invention provides a luminous sock, comprising a sock body, an elastic strap, a laced sleeve, a plurality of luminous strips, a plurality of luminous material layers, a sole wearable layer and a plurality of nonslip salient points; the elastic strap is disposed at an opening of a leg of the sock body, the laced sleeve is disposed at the edge of the leg of the sock body, and the laced sleeve is of a wrinkled structure; the luminous strips are disposed on the outer end surface of the laced sleeve and are in a mutually crossed mesh structure; the luminous material layers are disposed at intervals on the outer surface of the sock body on two sides of the sock body, and the luminous material layers are sewn to the sock body in an integrated structure; the sole wearable layer is disposed at a sole position of the sock body, and the multiple nonslip salient points are evenly distributed on the bottom surface of the sole wearable layer. The luminous sock may emit light at night, the light is from two sides of the foot, the ankle and the rear of the foot, the positions emerging light are obvious, and the luminous is good in slip resistance and wear resistance and is comfortable to wear, safe and attractive.

The invention relates to a pleated fabric and a preparation process thereof. The pleated fabric produced by the pleated fabric and the preparation process thereof has a double-layer structure, and the three-dimensional and layered sense of surface folds are enhanced, and the pleat structure is more stable and plump, and the inner surface is more stable. The layered fabric is smoother and thicker, and the pleated structure on the surface also plays a certain auxiliary shading function. The production method of the pleated fabric is simple, high in efficiency, and low in cost. Simple and practical, the test results are fast and timely. Using this method for water absorption test can be completed in a short time, which is beneficial for enterprises to check the production and technology of water absorbing fabrics. The test cost is low. Using this method for testing does not require special testing equipment.

The invention discloses a method for constructing a multi-stage morphology polypyrrole film based on in-situ wrinkling and stretch retraction. The method comprises the following steps: a PDMS substrate is prepared, the PDMS substrate is placed on a stretching table, prestretching is carried out to a certain extent, and the maximum is not more than 20%; a certain thickness of polypyrrole (PPy) filmis deposited on the surface of the stretched PDMS substrate, and finally the PDMS substrate is slowly retracted to an initial state to obtain the PPy film having a multi-stage wrinkle structure. In the present invention, the PPy film material having different surface topography can be obtained by adjusting the degree of stretching. The method utilizes a simple operation mode, the multi-level topography of a conductive polymer can be obtained, and the disadvantages of complicated operation, long preparation time, high cost, uneven pattern, small area and the like of a patterning method such aslithography can be avoided.

The invention belongs to the intelligent electronic device technical field and relates to a self-healing stretchable light-emitting device and a preparation method thereof. The method of the inventionincludes the following steps that: a light-emitting active layer having a self-healing function and a transparent electrode are prepared by using transparent self-healing polyurethane elastomer as amatrix material; the light-emitting active layer is made of electroluminescent powder, and the unique dispersion structure of the electroluminescent powder allows the healing of the light-emitting layer to be achieved by the healing of the self-healing matrix; and the electrode is made of an oriented carbon nanotube array, and a pre-stretching method is used to make the electrode material have a wrinkle structure when the electrode is in an un-stretched state, such kind of structure can ensure the stability of the resistance of the device during a stretching process, and the interaction of Vander Waals' forces between carbon nanotubes allow the conductivity of the electrode to be better restored. The maximum brightness of the device can achieve 121.2 cd/m<2>; the maximum stretching quantity of the device can achieve 400%; the stability of the device is excellent when the device is stretched cyclically under 200% of strain; and the device can withstand 10 times of cutting and can be finally healed each time with the brightness of the device not attenuated.

The invention provides a double-V-shaped ditch construction device, and belongs to the technical field of agricultural mechanisms. The double-V-shaped ditch construction device is characterized in that two sides of a copying central pressing plates of a shovel handle connecting frame are respectively synchronously embedded into six grooves which are symmetrically formed in the inner sides of two V-shaped soil extruding cutters; copying soil pressing plates are respectively fixedly connected to the outer sides of the two V-shaped soil extruding cutters; the end surface curves of copying bottom plates on the two copying soil pressing plates are the same as those of the copying central pressing plates; the edge curves of the two V-shaped soil extruding cutters are cissoid sections, and the sliding-cutting angles of the soil contact parts range from 40 to 50 degrees. The double-V-shaped ditch construction device is applicable to the mode of double-row planting in soybean ridges; two seed channels with smooth walls can be pressed and constructed on a seed bed, thus the influence of the seed channels on seed feeding can be reduced, the sliding-cutting resistance is small, and the penetrating performance is high; the V-shaped soil extruding cutters and the copying soil pressing plates co-extrude soil at two sides of the sidewalls of the soil extruding cutters so as to form V-shaped seed channels with firm and smooth walls, and as a result, oil returning of the sidewalls of the seed channels and wrinkling structures of the walls can be reduced; the variability of qualified seed-spaces can be reduced; the seeding quality can be improved.

The invention provides a pressure sensor preparation method including S110, providing an elastic thin film and a reduced graphene oxide thin film; S120, stretching the elastic thin film in a first direction and a second direction, so that the elastic thin film stretches in the first direction and the second direction; S130, transferring the reduced graphene oxide thin film to the stretched elasticthin film in the first direction and the second direction; S140, releasing the stretched elastic thin film in the first direction and the second direction, so that the stretched elastic thin film iscontracted to enable the reduced graphene oxide thin film to generate a wrinkle structure.