15 results about "Ultra lightweight" patented technology

The invention relates to a dashboard (01) comprising at least one main part (02, 03, 04) made of PPE, said dashboard (01) being recyclable, ultra-lightweight, acoustically and thermally insulating, easy to assemble and disassemble, designed to operate with thermal expansions, said dashboard including crash protection elements and integrating numerous features directly molded into the shape of the parts, in particular air circulation circuits.

A kind of 3D printing forming method of continuous fiber reinforced composite wing structure, first generate the three-dimensional model of wing structure, extract its aerodynamic profile;Then design the wing internal structure of multiple support point stress, as the forming basis of wing rib and spar;Then according to support point coordinates and wing aerodynamic profile, the path planning is carried out to wing internal structure, generates the 3D printing path of wing rib and spar;Then the theoretical weight of wing overall structure is calculated, if satisfying lightweight demand, then next structure forming is carried out;If not satisfied, then through re-determining structure design parameter, until satisfying lightweight demand;Then the forming of relevant structure is realized by 3D printing equipment, wing rib is connected with spar;Finally, the wing outer skin is formed on the basis of wing internal structure, thus the continuous fiber reinforced composite lightweight structure wing workpiece is obtained;The present application realizes the controllable design and rapid forming of super-lightweight, high specific performance, low-cost composite wing structure.

This invention discloses a method for preparing an ultralightweight, highly abrasion-resistant TPU / textile composite material for bags and luggage, comprising the following steps: weaving a mesh base fabric using a warp knitting machine; activating and pretreating the surface of a TPU film; coating an adhesive onto the activated surface of the TPU film obtained in the previous step and drying it; hot-pressing the mesh base fabric and the TPU film at multiple points to obtain the TPU / textile composite material; and finishing and shaping the TPU / textile composite material obtained in the previous step. The advantages of this invention include: the prepared composite material possesses multiple advantages such as ultralight weight, high abrasion resistance, softness, strong interface, breathability, and environmental friendliness. It can be widely used in the fabric preparation of various bag and luggage products such as high-end trolley cases, backpacks, outdoor bags, and briefcases, and can also be extended to outdoor products, protective equipment, and other fields, possessing significant industrial application value and market prospects.

The present invention provides a seamless metal can having a dome-shaped bottom surface that has high pressure resistance and effectively prevents buckling, or an ultra-lightweight seamless aluminum can having significantly reduced thickness and effectively preventing can body cracking during molding, in the seamless metal can (10), the bottom (5) of which is formed by an upright part (7) extending upward from the inner side of a grounding part (3) and a dome-shaped bottom surface (9) connected with the upright part (7), the dome-shaped bottom surface (9) is provided with a central dome part (9a) and an annular part (9b) formed in a manner of surrounding the central dome part (9a), and the annular part (9b) is connected with the upper end of the upright part (7) and has the following characteristics (i) or (ii). (i) The boundary portion (X) between the center dome portion (9a) and the annular portion (9b) is a minimum curved portion having a radius of curvature of less than 3.0 mm. (ii) The aluminum thickness (T0) at the center of the bottom portion is 0.270 mm or less, the diameter (D) of the lower end of the main body portion (1a) is 45-75 mm, the metal (aluminum) thickness of the thinnest wall portion of the main body portion (1a) is 0.080-0.105 mm, and the total weight of aluminum is 14 g or less.

A mould free process for making very light weight wind turbine blades using composites such as aluminum pipe, galvanized iron sheet, card board and fiberglass is disclosed in this invention. Description contains examples for making 250 watt and 500 watt wind turbine blades at wind speed ratings of 8 meters per second.

The invention relates to the technical field of image segmentation, and discloses a jacquard fabric texture-oriented ultra-light UNet segmentation method and system, and the method comprises the steps: receiving a to-be-segmented jacquard fabric texture image through an encoder path, and carrying out the feature extraction through employing a plurality of stages of encoders which are connected in sequence; the SCAB module performs optimization based on channel attention and space attention on the feature map output by each level of encoder to obtain optimized features; the decoder path receives the feature pattern output by the last-stage encoder and the optimization features of the corresponding levels, multiple levels of decoders which are connected in sequence are adopted for feature transformation and up-sampling, and finally a segmentation result is output; the encoder and the decoder both adopt an LGB module, a convolutional layer or a PVMT module to perform feature extraction, and the LGB module comprises bottleneck convolution, a gating mechanism and channel attention; and the PVMT module comprises a plurality of Mamba models. According to the method, the characteristic extraction capability is maintained while the parameter quantity is reduced, and deep mixed characteristic representation of complex jacquard textures is realized.

The invention relates to the technical field of foaming materials, and particularly discloses a high-elasticity lightweight foaming composite sole material and a preparation method thereof. The high-elastic light foaming composite sole material comprises the following raw materials in parts by weight: 65-85 parts of TPU resin, 6-9 parts of a propenyl elastomer, 3-5 parts of hydroxyl-terminated hyperbranched polyester, 0.5-1 part of a composite nucleating agent, 0.1-0.5 part of an antioxidant and 0.1-0.5 part of a foam stabilizer, and the composite nucleating agent is an urchin-shaped composite nucleating agent formed by taking silicon dioxide as a core. The finished product sole material prepared from the high-elastic light-weight foaming composite sole material disclosed by the invention realizes ultralight weight of the material, and has excellent rebound resilience, rigid supporting capability and anti-deformation capability and stronger durability at the same time.

The invention discloses a heat insulation vacuum cavity device for an infrared detection system. The heat insulation vacuum cavity device is composed of a composite bearing shell, a heat insulation system support, a gradient thermal expansion transition module and a sealing module. By optimizing structural parameters, high rigidity and ultralight weight of the titanium alloy rib plate in the direction along the wall of the heat insulation vacuum cavity and the direction perpendicular to the wall of the box are achieved, heat leakage and weight are greatly reduced through the zirconium oxide heat insulation support with the optimized structural parameters of the section, and a kovar alloy transition ring is innovatively adopted for sealing a large hole in the structure. The problem that thermal stress of dissimilar materials (titanium alloy and ceramic) is not matched is effectively solved, and high vacuum maintenance, low heat leakage transmission, excellent vibration suppression and structural reliability under extreme mechanical and thermal environments are ensured.

1. Name of the designed product: Fisherman's hat (ladies' double protection of the side of the face, ultra-lightweight). 2. Use of the designed product: for wearing on the head and for sun protection. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1. 5. Other circumstances or explanations: the bottom surface of the designed product is a part that is not easily visible or invisible during use, so the top view is omitted; the human model in the design picture is a prop and does not belong to the protected design content.

The invention relates to the field of shoe materials, and particularly discloses an ultra-light high-elasticity sole material and a preparation method thereof. The ultralight high-elasticity sole material is prepared from the following raw material components in parts by weight: 80 parts of TPU (Thermoplastic Polyurethane) base material; 20 to 25 parts of a polyamide thermoplastic elastomer; 10 to 15 parts of solution polymerized styrene-butadiene rubber; 6-8 parts of a functional filler; 4 to 5 parts of POE-g-MAH (Polyolefin Elastomer-g- 8-10 parts of a foam stabilizer; 4 to 5 parts of an antioxidant; 2-3 parts of a nucleating agent; the preparation method comprises the following steps: S1, melting and granulating; s2, foaming and shaping. The ultralight-weight high-elasticity sole material can keep the original good strength of TPU, meanwhile, the ultralight-weight high-elasticity sole material has the higher rebound rate and the soft foot feeling, the overall density is low, and ultralight weight is achieved.

This utility model relates to an ultra-lightweight, high-decibel directional speaker suitable for drones, comprising a sound-amplifying cover, a fixed rear seat, a connecting bracket, a power amplifier module, and a sound-generating component. One end of the sound-amplifying cover is tapered, and the fixed rear seat is fixed to the end of the sound-amplifying cover. The sound-generating component is housed within the fixed rear seat. A reflector is fixed inside the sound-amplifying cover, facing the sound-generating component and having gaps between it and the inner wall and end of the sound-amplifying cover. At least one side of the sound-amplifying cover has a mounting groove, and the power amplifier module is fixed within the mounting groove and connected to the sound-generating component. The fixed rear seat also has a connecting bracket fixed to it. This utility model overcomes the technical barriers of incompatibility between lightweight design, high decibel levels, and strong directionality, providing an efficient and reliable audio solution for special operation scenarios of drones.

The invention discloses a combat device, which comprises a spherical main body structure, which adopts a multi-version layered design and comprises a heavy firepower version, a standard light-weight version and an ultra-light-weight version, and each version of the spherical main body structure is kept in a complete spherical form in a non-combat state; the composite armor structure is formed by compounding outer-layer ceramic, a Kevlar buffer layer and an aluminum alloy lining, and armor thicknesses and material specifications of various versions are different; a storage pop-up type steel needle trigger driving mechanism is matched with a high-energy-density solid-state power battery and a permanent magnet synchronous motor, and unfolding, storage and power driving of the rolling wheel are achieved. The battle device is spherical tactical assault equipment which can be delivered by an unmanned aerial vehicle and has land battle and sea battle adaptation capacity, is suitable for battle scenes of infantries and special soldiers, is particularly suitable for land battle environments such as complex terrains and cold winter, has sealing and waterproof capacity and can meet the requirement of sea battle.

The application discloses a kind of ultra-light equipment bearing fault diagnosis method and system, belong to the field of fault diagnosis.The method comprises: the vibration signal in corresponding direction of equipment is collected by at least three vibration sensors installed in different positions of equipment but in the same direction;The vibration signal is visualized as gray scale image;Three vibration sensors are a group, and the gray scale image of each group of vibration sensors is fused into three-channel RGB image;Improved ultra-light network StarNet model is used to carry out bearing fault diagnosis to the RGB image.The correlation and specificity between the multi-sensor information are fully considered, the effective fusion of multi-sensor information is realized, and through the improved ultra-light network StarNet model, the feature mapping between levels is more comprehensive in the case of small parameter quantity, so as to improve the performance of the model, and then improve the bearing fault diagnosis accuracy.

The present application relates to the control method of constant grinding force of ultra-lightweight aspheric mirror forming processing, the present application adopts piezoelectric ceramic to convert the force signal acting on three-dimensional force measuring platform into electric signal, which becomes analog voltage signal after amplification and conditioning, and is transmitted to grinding force acquisition and processing module; the grinding force acquisition and processing module acquires three-dimensional force in real time according to the linear relationship between force and voltage signal, and finally obtains the resultant force of diamond grinding wheel acting on the surface of aspheric mirror at any time; on this basis, the maximum grinding force threshold of diamond grinding wheel acting on the surface of aspheric mirror is set on the grinding force acquisition and processing module. Through the dynamic control means of processing parameters and the sharpness of grinding wheel surface, the grinding force in the whole processing process is constant, which does not exceed the threshold of mirror breakage, and the ultra-precision forming processing of large aperture aspheric element is realized under the premise of ensuring the integrity of the mirror.

Ultra-lightweight aerogels and methods for fabricating such aerogels from ammonia borane and a support structure, where the support structure is either two-dimensional nanostructures, or hydrocarbon polymer colloids. The components are mixed, then annealed. The properties of the disclosed aerogels can be tuned by controlling the ratio between the support structure and the ammonia borane, or by infiltrating the aerogels with additives.