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25results about How to "Improve lightness" patented technology

Invisible appliance based on transparent piezoelectric film and design method thereof

The invention discloses an invisible appliance based on a transparent piezoelectric film and a design method thereof. A perioral muscle pressure sensor is installed on the lip / cheek lingual surface of teeth of the invisible orthodontic appliance, an occlusal force sensor is installed on the occlusal surface, and a tooth surface counter-acting force sensor is installed on the inner side tissue surface, so that dynamic changes of perioral muscle pressure, occlusal force and orthodontic force can be monitored in real time. The invisible orthodontic appliance provided by the invention integrates a sensor with high piezoelectric coefficient and high flexibility, has high sensitivity and accuracy, can be used for testing dynamic changes of orthodontic mechanics and evaluating the influence of perioral muscle pressure, occlusal force and the like on treatment during physiological processes of chewing, breathing, swallowing, language and the like of a patient; a doctor optimizes an orthodontic scheme through the PC terminal and pays attention to the association between oral functional mechanics and malocclusion, bad oral habits, bruxism, temporomandibular joint disorder and other diseases, and the efficiency and accuracy of oral health management are improved.
Owner:ZHEJIANG UNIV

Cleaning system

The utility model relates to the technical field of cleaning devices, in particular to a cleaning system. The cleaning system comprises a cleaning device and a base station. The cleaning equipment comprises a horizontally-arranged dust cup and a battery assembly, the battery assembly comprises a battery piece located on the upper portion of the dust cup and a contact module located on the lower portion of the dust cup, the contact module is electrically connected with the battery piece, the base station comprises a bracket assembly, and a trigger module is arranged on the bracket assembly and electrically connected with the battery piece. When the cleaning equipment is placed on the base station, the end face of the dust cup and the contact module can be connected with the bracket assembly in a clamped mode, and the trigger module abuts against the contact module so as to charge the battery piece. The trigger module abuts against the contact module located on the lower portion of the dust cup, the position of the trigger module can be matched with the position of the bearing portion, and the contact module does not need to be additionally arranged above the second limiting portion, so that the size of the bracket assembly is reduced, and the compactness and lightness of the bracket assembly are improved.
Owner:SUZHOU TUTU INTELLIGENT TECH CO LTD

LED display screen supporting touch control

PendingCN119152800AImprove touch response speedImprove lightnessStatic indicating devicesInput/output processes for data processingData connectionLED display
The invention belongs to the field of LED display screens, and provides an LED display screen supporting touch control. The touch screen comprises a PCB substrate, a control unit is attached to the back face of the PCB substrate, a plurality of touch control areas are arranged on the PCB substrate, data transmitters in data connection with the control unit are arranged at the positions, corresponding to the touch control areas, of the back face of the PCB substrate, and each touch control area comprises a plurality of LED modules regularly attached to the PCB substrate. Each LED module comprises a lamp panel and an LED driving circuit which are connected with the PCB substrate, the LED driving circuits are electrically connected with the control unit, a plurality of LED lamp beads which are arranged in rows and columns are mounted on the lamp panel, and a touch sensing chip is mounted at the bottom end of one LED lamp bead in the center of the lamp panel. According to the touch LED display screen, the touch sensing chip is used and integrated in the LED lamp beads, one LED lamp bead integrated with the touch sensing chip is used in each LED module, and the touch sensing chip supports serial data transmission.
Owner:CHANGZHI CITY HUAJIE GUANG TECH CO LTD

Lignin-hydroxyapatite / biomass-based composite aerogel as well as preparation and application thereof

The invention discloses a lignin-hydroxyapatite / biomass-based composite aerogel as well as a preparation method and application of the lignin-hydroxyapatite / biomass-based composite aerogel. The preparation method comprises the following steps: firstly dispersing hydroxyapatite in a weak base solution, then adding sodium lignin sulfonate and sodium alginate, uniformly stirring, then dropwise adding a glucolactone solution, pouring into a mold to form hydrogel, freezing the hydrogel in liquid nitrogen or a refrigerator, and then freeze-drying to obtain the composite aerogel. According to the invention, sodium alginate is taken as a base material, lignin is introduced as a carbon-forming agent and a structure reinforcing agent, and the organic / inorganic composite aerogel is prepared by using the combination of glucolactone slow-release hydroxyapatite, so that the thermal insulation property, mechanical property and smoke suppression property of the composite aerogel can be remarkably improved. Hydrophobic modification is carried out on the prepared aerogel, and the application field of the aerogel is greatly widened. The prepared aerogel has the characteristics of low thermal conductivity, high porosity, high strength and high flame retardance, and meanwhile, a new way is opened for resource utilization of lignin.
Owner:SOUTH CHINA UNIV OF TECH +1

Wet-mixed high-strength concrete and preparation process thereof

The invention relates to the technical field of building materials, and particularly discloses wet-mixed high-strength concrete and a preparation process thereof. Comprising the following steps: S1, taking hydroxylated basalt fibers, adding the hydroxylated basalt fibers into acetone, uniformly dispersing, adding glutaraldehyde, citrate B and hydroxyl silicone oil, stirring, filtering, washing and drying to obtain modified basalt fibers; s2, cement, gravel and sand are weighed and mixed, and a dry mixed material is obtained; sequentially adding a water reducing agent, deionized water, hollow glass beads, PVA fibers and modified basalt fibers into the dry-mixed material, and uniformly mixing to obtain wet-mixed high-strength concrete; the concrete is prepared from the following raw materials in parts by mass: 420 to 450 parts of cement, 1000 to 1150 parts of gravel, 500 to 600 parts of sand, 100 to 120 parts of hollow glass beads, 120 to 160 parts of water, 3 to 6 parts of a water reducing agent, 10 to 25 parts of PVA (Polyvinyl Alcohol) fibers and 20 to 40 parts of modified basalt fibers.
Owner:HAINAN MINGLEI CONCRETE CO LTD

Button assembly and photographic monitor

The utility model discloses a button assembly and a photography monitor, the button assembly comprises a connecting portion, a plurality of elastic portions and a plurality of buttons, the buttons are arranged on one side of the connecting portion along a first direction, and the buttons are arranged at intervals along a second direction intersecting with the first direction. One end of each elastic part is connected with the side edge of each key along the second direction, and the other end is connected with the connecting part. In the scheme, one end, deviating from the connecting part, of the elastic part is connected with one side, along the second direction, of the key, and when the key is pressed, the arm of force when the key is pressed can be improved, so that the pressing lightness of the key is improved, the key has good pressing hand feeling, and the pressing difficulty of the key is reduced. The arrangement of the connecting part enables the camera monitor with the button assembly to improve the assembly efficiency.
Owner:SHENZHEN XINGYINGDA IND CO LTD

Integrated molded body and electronic device housing

The present application provides a laminated body having excellent thermal conductivity, lightness and rigidity, and an integrated molded body in which the laminated body is integrated with other components. The integrated molded body of the present application is an integrated molded body in which a structure formed of a thermoplastic resin and a reinforcing fiber is arranged on the outer peripheral portion of a laminated body in which at least a prepreg formed of a continuous carbon fiber and a resin is laminated, and the thermal conductivity λ1A in the fiber direction of the continuous carbon fiber of the first prepreg constituting the outermost layer of the laminated body is 100 [W / (m·K)] or more and 800 [W / (m·K)] or less. It is preferably used for an electronic device housing.
Owner:TORAY INDUSTRIES INC

Super-hydrophobic flexible aerogel heat insulation film as well as preparation method and application thereof

The invention relates to the technical field of aerogel, and provides a super-hydrophobic flexible aerogel heat insulation film as well as a preparation method and application thereof. The aerogel film comprises aerogel particles subjected to hydrophobic modification treatment and an in-situ fiberized fiber binder, the aerogel particles subjected to hydrophobic modification treatment are wound and anchored by a three-dimensional network structure formed by the in-situ fiberized fiber binder. The aerogel particles subjected to hydrophobic modification treatment and the fiber binder are used as raw materials, a specific process is adopted for processing, a fiber three-dimensional network anchored aerogel particle composite structure is constructed, the problem of aerogel brittleness and the process problem of uniform fibrosis of the fiber binder are solved, and the fiber three-dimensional network anchored aerogel particle composite structure is obtained. The preparation of the aerogel film with excellent comprehensive performance is realized.
Owner:TSINGHUA UNIVERSITY

Shell assembly and electronic equipment

The utility model discloses a shell assembly and electronic equipment, and belongs to the technical field of electronic equipment. The shell assembly comprises a shell part, the shell part comprises a shell body and a decoration part formed on the shell body, and the decoration part comprises a decoration convex part formed on the outer side of the shell body and a containing cavity formed in the inner side of the shell body and located in the decoration convex part; a protruding structure is arranged on the outer side of the shell body, a mounting cavity is formed in the inner side of the shell body, the mounting cavity is located in the protruding structure, and the mounting cavity communicates with the containing cavity; and the buffer part is arranged in the mounting cavity and used for supporting the edge of the decoration part. According to the shell assembly, the battery can be effectively protected from being extruded or damaged under the condition that the thickness of the whole machine is not increased, the service life of the battery is prolonged, the failure rate of the battery is reduced, and the user experience is improved.
Owner:HONOR DEVICE CO LTD

Shell manufacturing method, shell and electronic equipment

The invention provides a manufacturing method of a shell, the shell and electronic equipment, the manufacturing method of the shell comprises the steps that an appearance layer and at least one supporting layer are provided, and the supporting layer comprises a basic supporting material soaked with a bonding material; and stacking the appearance layer and the at least one supporting layer, and carrying out hot press molding under a preset condition, so that the appearance layer and the at least one supporting layer are bonded through the bonding material to form the shell. According to the shell, the appearance layer and the supporting layer are bonded through the bonding material in the supporting layer, an adhesive material does not need to be additionally arranged between the appearance layer and the supporting layer, the manufacturing procedures can be reduced, the thickness of the formed shell is reduced, the production cost is reduced, and the light and thin performance of the shell is improved.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD

Metal member-polyarylene sulfide resin member complex and production method therefor

There are provided a metal member-polyarylene sulfide resin member complex (hereinafter referred to as the complex) superior in airtightness between the metal member and the polyarylene sulfide resin (hereinafter referred to as PAS resin) member and a production method therefor. The complex comprises a metal member and a PAS member combined together into a one-piece shaped article by injection molding and satisfies 1) and 2). 1) The arithmetic mean roughness Ra1, maximum height roughness Rz1 and root mean square height Rq1 of a surface of the metal member in a measurement according to JIS B 0601-2001 performed using an atomic force microscope set to a field of view range of 2 µm or a confocal laser scanning microscope (hereinafter referred to as the measurement) and the arithmetic mean roughness Ra2, maximum height roughness Rz2 and root mean square height Rq2 of a surface of the PAS resin member in the measurement satisfy |(Ra1-Ra2)| / (Ra1+Ra2)≤0.2, |(Rz1-Rz2)| / (Rz1+Rz2)≤0.2 and / or |(Rq1-Rq2)| / (Rq1+Rq2)≤0.2. 2) The PAS resin member contains a PAS resin and a modified ethylene copolymer.
Owner:TOSOH CORP

High-foaming-multiple sole material and preparation method thereof

The invention discloses a high-foaming-multiple sole material and a preparation method thereof, and belongs to the technical field of sole materials. According to the high-foaming-multiple sole material, firstly, bio-based polyurethane, modified crab shell powder, tetrabutylammonium iodide and L-ascorbic acid are evenly mixed and then subjected to foaming treatment through supercritical carbon dioxide, and then the mixture is heated and subjected to a heat preservation reaction in a carbon dioxide environment under the specific pressure; the synthetic process of the bio-based polyurethane comprises the following steps: pre-polymerizing castor oil and a diisocyanate monomer, then adding a chain extender 1, 4-butanediol and a catalyst, carrying out a mixed reaction, and finally carrying out epoxidation treatment, thereby obtaining the bio-based polyurethane. In the formula, 1, 4-butanediol is selected as a chain extender, namely 1, 4-butanediol, and lysine diisocyanate is selected as a diisocyanate monomer; the modified crab shell powder is obtained by carrying out surface modification treatment on crab shell powder by utilizing 3-aminopropyltriethoxysilane; the high-foaming-multiple sole material disclosed by the invention is good in wear resistance, good in shrinkage resistance, good in high temperature resistance and good in environmental protection performance.
Owner:CIXIAN BAODAO PLASTIC & RUBBER SHOES CO LTD

Lightweight thermal insulation concrete and preparation method thereof

The invention relates to lightweight thermal insulation concrete and a preparation method, and relates to the field of building materials, the lightweight thermal insulation concrete comprises the following components by mass: 60-100 parts of cement, 5-10 parts of modified SEBS, 20-40 parts of fly ash, 30-60 parts of ceramsite, 0.5-1.5 parts of a compound foaming agent, 10-20 parts of a modified cellulose filler, 0.005-0.015 part of a foam stabilizer, 0.5-1.5 parts of a water reducer and 30-50 parts of water; the modified SEBS is prepared from the following raw materials: an SEBS body, itaconic acid and allyl glycidyl ether. The preparation method comprises the following steps: mixing and stirring cement, modified SEBS, fly ash and modified cellulose filler, adding ceramsite, and stirring to obtain a dry mixture; preparing a water reducing agent solution, and preparing a foaming agent dispersion liquid; adding water into the dry mixture, stirring, adding a water reducing agent solution, and stirring to obtain a wet mixture; and adding the foaming agent dispersion liquid into the wet mixture, and carrying out pressure foaming to obtain the lightweight thermal insulation concrete. The method has the effect of improving the thermal insulation performance and the anti-cracking performance of the concrete.
Owner:华东材料无锡有限公司

Foam polymer soil and earthwork standard room combined abutment back backfilling structure and method

PendingCN119308194Ahigh densityImprove the modulus of compressionRoadwaysSoil scienceGeocells
The invention discloses an abutment back backfilling structure and method of foam polymeric soil combined with geocells, solves the problem that foam light soil is not suitable for roadbed backfilling in the prior art, and has the beneficial effect of effectively ensuring the strength of a roadbed structure and a pavement structure. According to the specific scheme, the abutment back backfilling structure of the foam polymeric soil combined geocell comprises a foam polymeric soil filling roadbed, multiple layers of geocells are laid in the foam polymeric soil filling roadbed in a layered mode, each layer of geocell has the set height, one end of each geocell is fixed to the abutment back of a bridge and culvert, and the other end of each geocell is fixed to the foundation of the bridge and culvert. The geocell is filled with foam polymeric soil, a concrete layer is laid on the top of the foam polymeric soil filling roadbed, the length of the concrete layer is smaller than that of the foam polymeric soil filling roadbed, one end of the concrete layer is connected with the bridge and culvert abutment back, and the pavement structure is laid on the top of the concrete layer and the top of the foam polymeric soil filling roadbed.
Owner:XINJIANG TRANSPORTATION PLANNING SURVEYING & DESIGN INST +2

Infrared module, control method of infrared module and electronic equipment

The invention discloses an infrared module, a control method of the infrared module and electronic equipment, and belongs to the technical field of circuits. Comprising a light-emitting assembly, a control circuit and a lens assembly. The control circuit is connected with the light-emitting assembly and the lens assembly. The light-emitting assembly and the lens assembly are oppositely arranged; the infrared module comprises a distance measurement mode and a remote control mode, and when the infrared module is in the distance measurement mode, the control circuit is used for controlling the lens assembly to have a first refractive index; when the infrared module is in the remote control mode, the control circuit is used for controlling the lens assembly to have a second refractive index; the first refractive index is greater than the second refractive index; the light-emitting assembly is used for generating a light signal for passing through a lens of the lens assembly. The optical signal matched with the current mode can be generated, and the refractive index of the lens assembly is controlled, so that the emission requirement of the current mode is met, and the problem that light waves emitted by the TOF laser sensor and the infrared remote control emitter interfere with each other can be solved.
Owner:VIVO MOBILE COMM CO LTD

Light, thin and warm-keeping yoga clothes fabric

ActiveCN222613626UGood warmth retentionImprove lightnessWeft knittingYarn
The utility model discloses a light, thin and warm-keeping yoga clothes fabric which comprises a fabric body, the fabric body is of a double-rib structure, the fabric body comprises surface layer yarn and lining yarn, the surface layer yarn adopts 30D / 24F high-elastic matte hollow yarn DTY yarn, the lining yarn adopts 55D Lycra, and the yarn arrangement mode of the fabric body is that two paths form a cycle, and the two paths form a loop. 30D / 24F high-elastic matte hollow DTY (Draw Textured Yarn) is used as surface yarns of the two paths; 55D Lycra is adopted as liner yarn, and the liner yarn is only woven at the position of a needle dial and is not woven at a needle cylinder. 30D / 24F high-elastic matte hollow DTY yarns are adopted as the surface layer yarns, and the yarns have good heat retention property and light weight, so that the heat retention effect is achieved; meanwhile, by means of the yarn arrangement mode of the fabric body, the liner yarn is only woven at the dial position, so that the spandex is arranged on one face of the fabric body, the spandex is not arranged on the other face of the fabric body, the fabric has the good heat retention property, meanwhile, the elasticity and resilience of the fabric body are guaranteed, and the quick-drying performance of yoga clothes is kept.
Owner:GUANGDONG DERUN TEXTILE CO LTD +1

Bio-based flame-retardant polyether polyol and synthesis method thereof

The invention discloses bio-based flame-retardant polyether polyol and a synthesis method thereof, and relates to the technical field of new chemical materials and biomass utilization. The bio-based flame-retardant polyether polyol is obtained by carrying out arbuzov reaction on halogenated starch liquefied polyol and phosphorous acid triester, and the halogenated starch liquefied polyol is prepared from bio-based starch, a liquefying agent, a halogenated dihydric alcohol liquefying auxiliary agent and a catalyst. The bio-based flame-retardant polyether polyol disclosed by the invention can be directly used for preparing flame-retardant polyurethane foam, the polyurethane foam can show excellent flame-retardant property under the condition of no additional flame retardant, and meanwhile, the optimization of a network structure in the flame-retardant polyurethane foam is also facilitated, so that the flame-retardant polyurethane foam has excellent flame-retardant property. The flame-retardant polyurethane foam with low apparent density and high compression strength can be obtained, and the light weight and the structural stability of the polyurethane foam are further improved.
Owner:FUJIAN ZHONGSHAN CHEM CO LTD

Polyamide resin composition for foam molding, and foam molded article

Provided is a polyamide resin composition for a foam molded article, which has high appearance performance, high load resistance and high impact resistance. A polyamide resin composition for foam molding containing 40-70 parts by mass of a crystalline polyamide resin (A), 5-15 parts by mass of an amorphous polyamide resin (B), 15-50 parts by mass of an inorganic reinforcing material (C), 0.1-10 parts by mass of an elastomer (D), and 0.5-15 parts by mass of a copolymer (E) having a functional group that reacts with a terminal group of the polyamide resin, the total of the crystalline polyamide resin (A), the amorphous polyamide resin (B), the inorganic reinforcing material (C), the elastomer (D), and the copolymer (E) having a functional group that reacts with a terminal group of the polyamide resin is 100 parts by mass.
Owner:TOYOBO MC CORP

Support plate, hinge mechanism and electronic equipment

The invention provides a supporting plate, a hinge mechanism and electronic equipment. The supporting plate comprises a first supporting part and a second supporting part. The material rigidity of the second supporting part is larger than that of the first supporting part, the second supporting part is arranged at the end, in the first direction, of the first supporting part side by side, and the orthographic projection of the second supporting part and the orthographic projection of the first supporting part in the second direction are partially overlapped. On one hand, the overlapping part can achieve the overlapping relation between the second supporting part and the first supporting part, and on the other hand, the overlapping part can be used for arranging a connecting structure with other parts of the hinge mechanism, so that the second supporting part cannot collapse or deform relative to the first supporting part due to stress in the assembling or using process; and the first supporting part and the second supporting part which are made of materials with different rigidities are matched, so that the overall weight of the supporting plate is reduced, and the structural reliability, lightness and thinness of the supporting plate are improved.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD

Coextruded sheet

Provided is a co-extruded sheet which is capable of suppressing surface bulging and cracking during thermal shaping such as vacuum molding, and which is capable of obtaining excellent mechanical strength. The co-extruded sheet (1) contains a polycarbonate resin, and is provided with a core layer (2) formed from a foamed resin, and an outer skin layer (3) and an outer skin layer (4) formed from a non-foamed resin. The outer skin layer (3) is laminated on one main surface of the core layer (2), and the outer skin layer (4) is laminated on the other main surface of the core layer (2). The resin material of the outer skin layer (3) and the outer skin layer (4) has a load deflection temperature that is equal to or higher than the load deflection temperature of the resin material of the core layer (2). The coextruded sheet (1) has a density of 0.4-0.9 g / cm3 and satisfies formula (1) {0.10 < = (t1 + t2) / T < = 0.5}. In formula (1), t1 represents the thickness of the outer skin layer (3), t2 represents the thickness of the second outer skin layer (4), and T represents the thickness of the co-extruded sheet (1).
Owner:MAXELL LTD

Ultrathin PE base film and preparation method thereof

The invention relates to the technical field of PE films, in particular to an ultrathin PE base film and a preparation method thereof. The ultra-thin PE base film is obtained by sequentially carrying out the steps of shearing and melting, extruding and casting and the like on ultra-high molecular weight PE. The ultrathin PE base film has good hydrophobicity and insulativity, and is ultrathin and uniform in thickness, low in air permeability and uniform in pore structure.
Owner:JIANGSU HORIZON NEW ENERGY TECH CO LTD

A composite board for the roof of a civil aircraft dining cart

The present invention relates to the technical field of aircraft dining carts, in particular to a composite material for the roof of a hand-pushed dining cart for a civil aircraft and a preparation method thereof. The invention aims to overcome the defects of existing aircraft dining cart roof materials, such as excessive weight, insufficient temperature resistance and environmental protection problems, and to provide a new composite material alternative. The composite material structure includes high-performance carbon skins of outer and inner layers, a rubber film of the middle layer, and a core honeycomb paperboard layer. The carbon skin provides a solid shell for the roof to protect the internal structure; the rubber film plays a bonding and shock-absorbing role; the honeycomb paperboard greatly reduces the weight and provides excellent compression and impact resistance. In addition, the honeycomb paperboard is reinforced by four carbon tubes around it and bonded with foam glue to enhance the overall stability and durability of the roof. The present invention significantly improves the performance of the aircraft dining cart roof through its lightweight, high-strength and excellent toughness composite material, improves transportation efficiency and reduces fuel consumption. At the same time, its highly stable and durable characteristics ensure the safety and reliability of aircraft dining carts in complex flight environments and meet the strict requirements of modern aviation industry for high efficiency and environmental protection.
Owner:ZHEJIANG XIZI AIRCRAFT COMPONENTS CO LTD

A method, apparatus and electronic device for detecting defects on the surface of a cavity.

This application relates to the field of image analysis technology, and provides a method, apparatus, and electronic device for detecting defects on the surface of a cavity, including: acquiring a target image to be detected and corresponding text prompt information to construct an image-text modal input pair; extracting image feature vectors and text feature vectors from the target image; and introducing HOPLORA pairs. n img and n txt Perform domain transformation and semantic alignment to obtain the transformed image feature vector. n img’ and text feature vectors n txt’ Calculate the image-text similarity score s corresponding to the target image and generate an anomaly scoring map. A To identify defect areas, a visual language model is used to enhance the model's understanding of the valve body structure semantics through image-text modal fusion; the HOPLoRA module performs efficient low-rank parameter adaptation, improving cross-scene detection performance; and pixel-level anomaly scoring maps are output based on image-text similarity to achieve fine-grained defect localization. This method significantly improves the accuracy of defect detection on the valve body's internal cavity surface, adapts to complex working conditions, and enhances the model's scalability.
Owner:SHENZHEN JEET TECH CO LTD