42 results about "Ultra lightweight" patented technology

The invention discloses a composition based on hollow glass beads and a preparation method thereof, and relates to the technical field of material science. The preparation method comprises the following steps: firstly, constructing a pre-composite functional microsphere with a specific hierarchical structure as a core basic functional unit, then matching with a plurality of components such as a thermosetting resin matrix, a latent curing system, a functional synergistic aid package and a composite solvent system, and matching with a preparation process which has a synergistic effect with the components. The composition based on the hollow glass beads is expected to realize uniform dispersion of the hollow glass beads in a coating system and strong bonding of a microscopic interface on the premise of ensuring the structural integrity of the hollow glass beads. Therefore, the high-performance composite coating material with ultra-light weight, high heat insulation efficiency, excellent mechanical strength and long-term service stability is obtained.

The invention relates to the technical field of exoskeleton robots, in particular to an exoskeleton driving system with multi-mode torque coupling and intelligent-brain cooperative control, which comprises a flexible torque coupling mechanism, a holographic intelligent-brain cooperative control strategy, an energy safety integrated shield module and an ultra-light integrated magic body structure, wherein the flexible torque coupling mechanism is used for adapting to power and flexibility of different scenes and carrying out torque output and rigidity continuous adjustment; a holographic intelligent brain cooperative control strategy is fused with perception information, data are analyzed through quantum federal learning and a bionic algorithm, torque is optimized, and cooperative control is carried out; the energy and safety integrated shield module is used for constructing a double-safety system, and recycling is achieved through magnetorheological fluid kinetic energy recovery and shape memory alloy potential energy storage. The ultra-light integrated magic body structure is matched with the human body size to adjust the exoskeleton, and the man-machine cooperation response is improved through the composite carbon fiber material and the highly integrated design. Therefore, the problems of high energy consumption, complex mechanical structure, insufficient stability and the like in the prior art are solved.

The invention discloses an ultra-lightweight speech enhancement neural network system and method based on adaptive convolution. The system comprises an encoder; a frequency spectrum compression module, which is used for carrying out dynamic range and frequency dimension compression on a noisy speech frequency spectrum; the self-adaptive convolution attention module is used for carrying out frequency dimension downsampling and feature extraction analysis on the compressed feature map through a self-adaptive convolution layer and time channel attention, and then sending the feature map into an intensifier; the intensifier is a dual-path packet recurrent neural network and is used for modeling sub-band time features and intra-frame frequency features of the voice; the decoder comprises a self-adaptive transpose convolution attention module which is used for performing frequency dimension upsampling and feature reconstruction on the feature map output by the enhancer; and the frequency spectrum expansion module is used for expanding the frequency dimension of the feature map output by the self-adaptive transpose convolution attention module. According to the invention, high-performance speech enhancement can be realized with extremely low calculation complexity.

The invention relates to the technical field of manufacturing of electrical element assemblies, and discloses a cold and heat exchange system of a liquid cooling cabinet and a use method of the cold and heat exchange system. The cold and heat exchange method of the liquid cooling cabinet comprises the steps that a complex thermodynamic model of the liquid cooling cabinet is processed through a hierarchical model distillation algorithm, and an ultra-lightweight thermodynamic digital twin model is obtained; processing the operation state of the liquid cooling cabinet through a multi-mode micro-sensor network to obtain a lightweight environment and load feature vector; processing the lightweight environment and load feature vector and the ultra-lightweight thermodynamic digital twin model through a micro predictive controller to obtain an adaptive liquid cooling control strategy; processing the self-adaptive liquid cooling control strategy through an ultra-low power consumption execution unit to obtain an accurately executed physical cooling effect; according to the invention, through an optimization algorithm, efficient control of the liquid cooling cabinet system is realized in a resource limited environment, the precision, the response speed and the energy efficiency are improved, the environmental adaptability and reliability are enhanced, and the bottleneck of a traditional system is broken through.

The application discloses a kind of superhigh temperature self-adaptive insulated cable of composite and preparation method thereof, which uses carbon nanotube fiber bundle as conductor, multiple layer aerogel-ceramic nanofiber composite felt as insulator, stress buffer layer formed by negative thermal expansion coefficient material is arranged between layers, and the outer sheath is chemical vapor infiltration SiC carbon fiber braided sleeve.The cable of the application has the advantages of ultra-light, high thermal stability, self-adaptive sealing and strong thermal shock resistance, and is suitable for extreme high temperature environment above 800 DEG C;The preparation method includes supercritical drying, pre-stretching winding and other key processes, to realize the high performance and reliability of the cable.

The present invention discloses a design architecture of an ultra-lightweight embedded Internet of Things rule engine. It has the following advantages: 1. It does not rely on a cloud platform and can work completely offline; 2. It only requires very few system resources (memory does not exceed 5K, Flash does not exceed 34K), which reduces the system resource usage by two orders of magnitude compared to the prior art, and can easily run on a conventional Internet of Things MCU (such as STM32). To achieve similar functions, the Internet of Things device using this method has lower cost, smaller size, and lower power consumption; 3. It is comprehensive in function and can support time planning, compound rules, multiple scenarios, combined actions, and data statistics with very small resources, while the prior art usually requires the Internet of Things device to have a very high hardware configuration or to use the cloud platform to participate in order to achieve similar functions; 4. It has high execution efficiency, with the matching and triggering time of the rules within 50ms and the execution time less than 10ms, which is one to two orders of magnitude higher than the prior art.

The invention discloses an aluminum-magnesium alloy bicycle frame pipe and a preparation method thereof, and particularly relates to the technical field of metal material machining, the aluminum-magnesium alloy bicycle frame pipe comprises the following alloy chemical components: Si, Mg, Cu, Mn, Fe, Cr and La + Ce, Fe and rare earth are defined as alloy elements, and the ratio of Mn / Fe and Mg / Si is optimized; the preparation method comprises the steps of refining and degassing, rare earth modification rod casting and hot extrusion forming. The problems that an existing aluminum alloy frame pipe is insufficient in strength, limited in light weight and uneven in performance are solved, through the scheme, the pipe achieves high plasticity, compact and uniform tissue, excellent welding performance and ultra-light weight, and the fatigue life is effectively prolonged.

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.

The application discloses a kind of composition based on hollow glass microsphere and preparation method thereof, it is related to material science technology field.The application first by constructing a kind of pre-composite functional microsphere with specific hierarchical structure as core basic functional unit, then with thermosetting resin matrix, latent curing system, functional synergistic additive package and composite solvent system multiple components, and matching preparation process synergistic effect, preparation a kind of composition based on hollow glass microsphere, to ensure the integrity of hollow glass microsphere structure under the premise, realize the uniform dispersion of hollow glass microsphere in coating system and the strong bonding of micro interface, to obtain the high-performance composite coating material with ultralight, high heat insulation efficiency, excellent mechanical strength and long-term service stability.

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 utility model relates to the technical field of Bluetooth earphones, and discloses an ultra-light ear clamping type Bluetooth earphone based on an anti-phase sound wave counteracting technology, which comprises a positioning block, an ear clip is arranged on the surface of the positioning block, a Bluetooth earphone main body is arranged at the tail end of the ear clip, a sliding groove is formed in the top end of the ear clip, and a sliding block is connected in the sliding groove in a sliding manner; an arc-shaped plate is fixedly connected to the top end of the sliding block, a plurality of pop-up grooves are formed in the front end and the rear end in the sliding groove, pressing grooves are formed in the front end and the rear end of the sliding block, and elastic springs are fixedly connected to the interiors of the pressing grooves. According to the ultra-light ear clamping type Bluetooth earphone based on the anti-phase sound wave counteracting technology, multi-dimensional fixation can be formed through the design of being capable of assisting in abutting against ear bones, so that the Bluetooth earphone body is attached to ears more tightly and stably, the probability that the earphone falls off accidentally in sports or other activities is greatly reduced, and the Bluetooth earphone is more convenient to use. Therefore, the use experience and the stability during wearing are obviously improved.

The invention discloses an ultra-lightweight photovoltaic module image segmentation method based on SegMamba, S1: data preprocessing and optimization; S2: feature extraction: extracting image features in depth through PatchEmbed2D and PMM Layer layers in sequence, generating a first-stage feature map after normalization operation, and so on, generating a feature map of the next stage through the above operation of the feature map generated in the previous stage, and finally generating four images with different resolutions; S3: feature fusion; The invention has the advantages of significantly improving image segmentation accuracy and ultra-lightweight model: PatchEmbed2D blocking and PMM Layer averaging channel number operations are introduced in the encoder to achieve feature diversity and deep mining while greatly reducing the number of parameters and calculation of the model; a recursive cross-level feature fusion strategy is adopted in the decoder to ensure the comprehensive interaction of high-dimensional semantic information and low-dimensional detail information; the parallel complementary mechanism accurately captures the subtle features and differences of photovoltaic module images, improves the segmentation accuracy, and provides a solid guarantee for subsequent applications such as photovoltaic module defect detection.

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.

The invention discloses an ultra-light satellite-borne reflector based on metal 3D printing, and relates to the field of metal 3D printing, the ultra-light satellite-borne reflector comprises a reflector surface, a lattice structure, a bottom plate and a flexible joint, the lattice structure is connected with the reflector surface and the bottom plate, and the reflector surface, the lattice structure and the bottom plate form a sandwich structure. One end of the flexible joint is connected with the bottom plate, and the other end of the flexible joint provides an external interface through a threaded hole or a through hole. An existing reflector design thought is broken through, the reflector surface, the dot matrix sandwich, the bottom plate and the flexible joint of the reflector are integrated into one part, integrated design and optimization are achieved, the number of the parts is reduced by 80% or above, the total weight of the reflector is reduced by 20% or above, the assembling link of the flexible joint and other structures is eliminated in the reflector manufacturing process, the reflector is integrally manufactured through 3D printing, and the manufacturing cost is reduced. And the manufacturing cost and time are greatly saved, and important application value is achieved.

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 an ultra-light glass bottle forming system based on a small-opening pressing and blowing method, in particular to the field of glass bottle manufacturing, through cooperative work of an optical signal acquisition module, a rheological inversion module, a process decision module and a dynamic evolution module, the forming precision and efficiency are improved, the optical signal acquisition module synchronously acquires a melt surface scattering signal and a temperature signal, and the forming precision and efficiency are improved. An innovative channel is provided for sensing the melt state in real time, the rheology inversion module obtains a three-dimensional viscosity field in real time through tensor decomposition and a cross-scale neural network, traditional rheology measurement limitation is broken through, the process decision module generates differentiated blowing pressure and sequential control instructions through reinforcement learning, the forming process is optimized, and the forming quality is improved. And the dynamic evolution module ensures that the product quality is stable through real-time monitoring and automatic adjustment, and the system remarkably improves the production efficiency and the quality stability of ultra-light glass bottles.

An ultra lightweight tubular sign frame entirely made from polyvinyl chloride otherwise known as PVC. This material is very strong, yet extremely lightweight. Tubular sign frame is comprised of hollow tubing and hollow fittings that can be assembled by hand in just minutes. It's an upright design and completely free standing allowing it to be easily transported in a vehicle or stored in a garage. Tubular sign frame is designed to hold, exhibit and display two dual sided, double stacked separate sign boards one above the other. This unique design concept ensures the tubular sign frame to stand tall and achieve maximum visibility. Pre-drilled holes at the top of the frame are supplied to insert mini flags to further enhance and maximize exposure of the complete tubular sign frame. The design also has removable threaded cement-filled stands which can easily be attached or detached from the frame in seconds.

The invention relates to a certificate number recognition system based on an efficient ultra-lightweight convolutional attention network, which comprises a certificate number detection module, a recognition feature extraction module and a recognition sequence transcription module, and is characterized in that the certificate number detection module comprises a backbone network, a neck network, a prediction head and a differentiable binarization module; the certificate number detection module outputs a detection result based on the certificate image; the recognition feature extraction module comprises an initial module, a dense simplified convolution attention module and a double dimension reduction block, and the initial module comprises a convolution layer and an average pooling layer; the dense simplified convolution attention modules are divided into three groups, and each group comprises a plurality of dense simplified convolution attention modules; the double dimension reduction block is used for performing dimension reduction on the channel number and performing spatial down-sampling on the feature map; and the recognition sequence transcription module comprises a circulation layer and a transcription layer and is used for transcribing the feature map extracted by the recognition feature extraction module into a character sequence. According to the invention, a certificate number identification function with high precision and low resource consumption can be realized.

The invention discloses a composite ultrahigh-temperature self-adaptive insulated cable and a preparation method thereof, and the cable employs a carbon nanotube fiber bundle as a conductor, a multi-layer aerogel-ceramic nanofiber composite felt as an insulator, and a stress buffer layer formed by a negative thermal expansion coefficient material is arranged between the layers. The outer sheath is a chemical vapor infiltration SiC carbon fiber braided sleeve. The cable has the advantages of ultra-light weight, high thermal stability, self-adaptive sealing, high thermal shock resistance and the like, and is suitable for an extreme high-temperature environment of 800 DEG C or above; the preparation method comprises key processes of supercritical drying, pre-stretching winding and the like, and high performance and reliability of the cable are achieved.

In a seamless metal can 10 of which a bottom portion 5 is formed of an upright portion 7 extending upward from the inside of a grounding portion 3, and a dome-shaped bottom surface 9 continuous with the upright portion 7, the dome-shaped bottom surface 9 has a central dome portion 9a and a ring-shaped portion 9b formed so as to surround the central dome portion 9a. The ring-shaped portion 9b is continuous with an upper end of the upright portion 7, and has characteristics of (i) or (ii) below. Thus, provided is a seamless metal can that has high pressure resistance and includes a dome-shaped bottom surface of which buckling is effectively prevented, or an ultra-light seamless aluminum can that has extremely thin walls and in which rupture of the trunk during shaping is effectively prevented. (i) A boundary portion X between the central dome portion 9a and the ring-shaped portion 9b is an extremely small curved portion having a radius of curvature of less than 3.0 mm. (ii) The thickness (T0) of aluminum at the central portion of the bottom portion is 0.270 mm or less, the diameter D of the lower end of a trunk portion 1a is 45-75 mm, the thickness of the metal (aluminum) of the thinnest portion of the trunk portion 1a is 0.080-0.105 mm, and the total weight of aluminum is 14 g or less.

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 cold-resistant master batch material and a high-cold-resistance EVA composite foaming sole material, and relates to the technical field of foaming shoe materials, in particular to the cold-resistant master batch material which comprises main materials and auxiliary agents, the main materials comprise SEBS and rare earth cis-polybutadiene according to the mass ratio of 3: 1, and the auxiliary agents are added into the main materials; the cold-resistant master batch disclosed by the invention can be applied to shoe materials for improving ultralow-temperature toughness to achieve a cold-resistant effect. The shoe sole material comprises EVA, cold-resistant master batch, POE, a foaming agent, a cross-linking agent and an auxiliary agent, the cold-resistant master batch comprises SEBS and rare earth cis-polybutadiene, and the shoe material which is ultra-light in weight, low in low-temperature hardness change rate and high in rebound rate can be prepared from the material components.

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. The name of this design product: Saw blade (love heart ultra-lightweight). 2. Purpose of the product of this design: saw blade for cutting. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture. 5. This appearance design product is a thin product, and the left view, right view, top view and bottom view are omitted.

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.

Methods and apparatus for fabricating a lightweight high power battery. The battery comprises an active structure including an anode electrode, a cathode electrode, and a separator material arranged between the anode electrode and the cathode electrode, a liquid electrolyte; and a non-metallic pouch arranged to encapsulate the active structure and the liquid electrolyte.

The present invention relates to a chemical strengthening apparatus for a glass bottle and, more specifically, to a chemical strengthening apparatus for a glass bottle, wherein a chemical process for compensating for a reduction in strength due to lightweighting or ultra-lightweighting of glass bottles is continuously performed in a bottle making process to thereby rapidly and inexpensively perform chemical strengthening treatment, thus reducing manufacturing costs of glass bottles and enabling mass production, leading to an improvement in productivity.

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.