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21results about How to "Portable" patented technology
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Integrated stretchable flexible wearable biosensor and method of making the same
The application discloses an integrated stretchable flexible wearable biosensor and a preparation method thereof, and belongs to the technical field of electrochemical sensing.The integrated stretchable flexible wearable biosensor is wrapped by a PAN / SiO2 sweat absorption layer.The method comprises the following steps: preparing a stretchable conductive composite fiber; preparing an integrated stretchable flexible sensing fiber; preparing a PAN / SiO2 sweat absorption layer; and preparing a sensor.The conductive composite fiber in the application can maintain stable performance under multiple bending and twisting, the sensor is integrated with a flexible integrated circuit chip and a flexible power supply device to obtain a fabric sensing system, the fabric sensing system can process acquired sensor data, and the detection data can be uploaded to a mobile terminal and a cloud end in real time through Bluetooth technology, real-time monitoring and management of a health condition of the biosensor are realized, six specific biomarkers can be efficiently detected by using only 1 muL of sweat, the amount of sweat required for activating the biosensor is 1 / 3 of that of the prior art, and the fabric sensing system can easily adapt to a tensile strain caused by exercise.
Owner:HARBIN INSTITUTE OF TECHNOLOGY (SHENZHEN) (INSTITUTE OF SCIENCE AND TECHNOLOGY INNOVATION HARBIN INSTITUTE OF TECHNOLOGY SHENZHEN)
An adjustable mount for securing a monitoring sensor in a tunnel
ActiveCN117927791BPortable
Owner:CHINA RAILWAY ERYUAN ENGINEERING GROUP CO LTD
Active defense method, device and equipment for diffusion speech conversion, and medium
ActiveCN121811851BImprove active defense capabilitiesachieve global optimizationEngineeringAcoustics
The application discloses an active defense method, device and equipment for diffusion speech conversion and a medium, and relates to the technical field of speech security. The active defense method comprises the following steps: obtaining source speech and reference speech, introducing a constrained protection disturbance into the reference speech, constructing protected speech, and ensuring that the protection disturbance satisfies a disturbance imperceptibility constraint. The source speech and the protected speech are input into a speech conversion model with the reference speech as a speaker condition, content information analysis, speaker condition constraint acoustic generation and waveform synthesis are completed by the speech conversion model, and a protection generated speech is output. A joint loss function is constructed based on speaker embedding representations of the protection generated speech and the reference speech, gradients of a current disturbance position and a predicted midpoint position are calculated according to the joint loss function and are fused to obtain an update direction, the protection disturbance is iteratively optimized, and projection or clipping is performed to satisfy the disturbance imperceptibility constraint. Finally, the protected speech is output.
Owner:HUAQIAO UNIVERSITY
Miniature thermoelectric refrigeration system for miniature heating assembly
ActiveCN224201909Ureduce volumereduce weightEvaporators/condensersIndirect heat exchangersMicropumpSystem structure
The utility model discloses a miniature thermoelectric refrigeration system for a miniature heating assembly, which relates to the technical field of infrared detection equipment and comprises a flat plate type evaporator, a foamy copper heat pipe radiator, a micropump, a liquid storage device, a fan, the miniature heating assembly, a multi-stage thermoelectric refrigerator and a detector vacuum cavity packaging box. The flat plate type evaporator, the foamy copper heat pipe radiator, the liquid storage device and the micropump are sequentially connected in series through a pipeline and are arranged outside the detector vacuum cavity packaging box, and according to the scheme, by optimizing the overall structure and core assembly design of the system, the flat plate evaporator is arranged at the hot end of the multi-stage thermoelectric refrigerating unit to absorb heat; the foamy copper heat pipe radiator is used for heat dissipation, and the micropump is used for assisting the capillary phase change loop to start, so that the heat dissipation effect of the hot end of the refrigerating device is remarkably enhanced, and the size and the weight of the refrigerating system are greatly reduced.
Owner:HUAZHONG UNIV OF SCI & TECH
Rotary-evaporation rate coordinated control method and system based on deposition distribution model
PendingCN122503826AShorten the development cycleincrease evaporation rateEvaporation (deposition)Model parameters
The present application relates to the technical field of vacuum coating, in particular to a rotating-evaporation rate collaborative control method and system based on deposition distribution model, which establishes a deposition process model containing an evaporation source distribution model, a substrate kinematics model and a cumulative dose model; based on the model, a rotating speed ω(t) and an evaporation rate R i (t) are optimized variables, a collaborative control trajectory is generated through multi-objective optimization; the trajectory is executed; and deposition state data is obtained in real time during the coating process, compared with the model prediction value, the model parameters are corrected online and the trajectory is regenerated, realizing rotating-evaporation rate collaborative control. The method first promotes the rotating speed from a fixed parameter to an active control variable, optimizes it collaboratively with the evaporation rate, increases a completely independent control degree of freedom, fundamentally breaks through the uniformity and component precision upper limit of traditional single-variable control, and solves the poor uniformity problem of perovskite photovoltaic components in the prior art.
Owner:HUANENG CLEAN ENERGY RES INST +1
Multifunctional measuring tool for civil engineering
ActiveCN224080971Uget goodConvenient for construction workers to obtain effectivelySurveying instrumentsHeight/levelling measurementMeasuring instrumentConstruction engineering
The utility model relates to the technical field of measuring tools for civil engineering, and discloses a multifunctional measuring tool for civil engineering, which comprises two first measuring rulers, and a mounting mechanism and a moving mechanism are arranged at the tops of the two first measuring rulers. The measuring tool can synchronously measure instruments in a construction site up, down, left and right at the same time, so that a constructor can effectively obtain more information about a measured object, and the overall accuracy of measurement is remarkably improved; the measuring tool is installed by adopting a plurality of detachable measuring rulers and has certain portability, so that the measuring rulers can be easily carried, the measuring period is shortened, and the measuring efficiency is improved; meanwhile, the measuring tool can carry out multi-angle measurement, so that measurement results under different visual angles can be better verified, possible errors can be found and corrected in time, the overall measurement precision is improved, and the measuring tool is suitable for different site construction environments.
Owner:SHENYANG JIANZHU UNIVERSITY
A self-adaptive polishing system and method for a monolithic deflection reach of a reach stacker
ActiveCN117754361BGet accurate data in real timeAchieve high-precision grindingEdge grinding machinesGrinding feed controlPolishingLaser scanning
The application discloses a kind of self-adapting polishing system and method of single type deflection reach stacker girder, comprising: line sweep laser sensor, flexible tooling, controller, polishing robot end;Polishing method is: collecting girder laser scanning data and analysis, obtain girder pose data and adjust girder to standard pose according to girder pose data;Scan girder surface under standard pose, respectively obtain the deflection deformation of girder surface, the appearance of weld surface;And according to the appearance of weld surface, obtain weld width, height data and automatically adjust polishing processing parameters;Polishing trajectory is generated based on adjusted polishing processing parameters for controlling polishing robot end;The application is by integrating workpiece pose adjustment algorithm, polishing trajectory guiding algorithm and laser line sweep sensing technology, to solve adaptive polishing problem, improve artificial polishing effect, to realize the automation of adaptive polishing process with deflection deformation girder guiding and improve the environmental problem caused by polishing.
Owner:JIANGSU XCMG CONSTRUCTION MACHINERY RESEARCH INSTITUTE LTD
Electronic product sales device based on internet of things
The utility model relates to electronic product sales field especially, based on electronic product sales device of internet of things, include: box, the front side of box is equipped with the protective door rotationally, is fixed with a plurality of partition box in the box, is equipped with round rod axle rotationally all on the partition box, is equipped with transparent protective cover all on the partition box, the utility model discloses new through the cooperation of round rod axle, transparent protective cover, sliding slot, gear, electric push rod and rack, can order through the receiver through internet of things on -line, pay, then the cabinet door body opens, and the user directly takes the electronic product of purchase, prevents the possible of other commodity loss, through the cooperation of motor, disc, cylinder, square dish and U -shaped groove, can drive the intermittent rotation of commodity that the placement dish drives, can all -round show the overall appearance of commodity, make commodity better show to the customer and facilitate its selection.
Owner:SHAANXI LIANYEHUO SOFTWARE TECHNOLOGY CO LTD
Ball serving tipping bucket mechanism and billiard ball serving device applying same
The utility model discloses a ball serving tipping bucket mechanism and a billiard ball serving device applying the same. The ball serving tipping bucket mechanism comprises a ball receiving box, a ball conveying track, a positioning ring and a driving part which are connected in sequence, the billiard ball pitching device comprises a ball storage box, the ball storage box is provided with a ball outlet, and the ball pitching tipping bucket mechanism is rotationally arranged at the ball outlet; when the serving tipping bucket mechanism is in a vertical state, an inner cavity of the ball receiving box faces the ball outlet, and the end, away from the ball conveying rail, of the ball receiving box is located below the ball outlet. In the process that the ball serving tipping bucket mechanism moves in a horizontal downward inclined state, before billiard balls are separated from the ball receiving box, one end, far away from the ball conveying track, of the ball receiving box blocks the next billiard ball; the ball serving tipping bucket mechanism is connected with the ball storage box through an elastic reset mechanism. The ball serving tipping bucket mechanism is matched with the ball storage box to realize quick fixed-point ball serving. The billiard pitching device has the advantages of miniaturization, portability and low cost.
Owner:李想
Portable touch instrument mainboard
ActiveCN224122978UPortableHighly integratedInput/output processes for data processingMicrocontrollerDisplay device
The utility model provides a portable touch control instrument mainboard, and belongs to the field of embedded electronic equipment hardware. The mainboard comprises a single-chip microcomputer minimum system, an expansion module, a TFT display module, a storage module, a TFT backlight driving module, a power conversion module, a touch control module, an auxiliary module and a BOOT setting module. According to the utility model, the problems of poor use experience feeling caused by low integration level, low portability, high cost and the like of other instrument displays at present are solved, necessary modules are integrated together, so that the instrument display function is completed, and the instrument has the characteristics of portability, high integration level, friendly man-machine interaction and the like at the same time; the device can be freely assembled on various instruments by means of an expansion interface so as to meet the operation requirements in a moving state or a space-limited environment.
Owner:WUHAN GUNYU INTELLIGENT TECH CO LTD
Special shock absorber for textile equipment and its shock absorbing method
ActiveCN121520345BGuaranteed continuityEnsure product quality stabilityStands/trestlesVibration suppression adjustmentsTextile productionShock absorber
The application discloses a special shock absorber for textile equipment and a shock absorbing method thereof, and has the structure including universal ball, displacement frame, shock absorber, and connecting disc, wherein the universal ball is connected with the shock absorber through the connecting disc, and the displacement frame is installed on the surface of the outer ring of the shock absorber; the displacement frame includes extension table, connecting strip, universal wheel, supporting column, spring, pressing surface, and connecting ring, wherein the extension table and the connecting ring are integrated, the connecting strip penetrates through the connecting ring and is connected with the pressing surface, the spring is installed between the pressing surface and the extension table, the supporting column is fixed at the bottom of the pressing surface, the universal wheel is connected with the supporting column and can rotate, and the universal wheel can rotate along the supporting column; the textile equipment has high requirements on operation precision; when the equipment has position deviation due to vibration, only the pressing operation can be used to remove the fixing of the suction cup, enable the universal wheel to correct the position, the whole process does not need to disassemble the equipment components, production stagnation caused by disassembly and debugging is effectively avoided, and the continuity of textile production and the stability of product quality are ensured.
Owner:FUJIAN CHARME TEXTILE
A portable grease cleaning device for narrow pipes
This utility model discloses a portable grease cleaning device for narrow pipes, belonging to the technical field of pipe cleaning equipment. It solves the problems of low cleaning efficiency and inability to perform reciprocating operations with a single brush / scraper. The utility model includes a cleaning rod, a crank-connecting rod propulsion device, a detachable arc-shaped scraper head, and a one-way pneumatic connector. The cleaning rod reciprocates through the propulsion pin of the crank-connecting rod mechanism, driving the scraper head to scrape away grease from the pipe. The scraper head is detachable and replaceable to adapt to different pipe sizes. The one-way pneumatic connector and positioning pin ensure a stable connection of the device. This utility model has a compact structure, is easy to operate, and provides stable propulsion, effectively solving the problem of cleaning grease in narrow pipes, improving cleaning efficiency and applicability, and is suitable for cleaning narrow pipes in kitchens, industries, and other similar scenarios.
Owner:JINCHUAN GROUP NICKEL COBALT CO LTD
A radio frequency current probe based on a coplanar waveguide structure with high flatness
PendingCN122525241AImprove current withstand capabilityReduce the impact of parasitic effects
The application provides a radio frequency current probe with high flatness based on a coplanar waveguide structure, also called a 1Ω probe. The probe directly contacts a ground pin of a chip, collects a radio frequency (RF) current signal generated in a ground plane and returned by a circuit, and then transmits the signal to a spectrum analyzer or an EMI receiver to measure a corresponding RF voltage value. According to a conversion coefficient R, the voltage value can be converted into a corresponding current value. The radio frequency current probe can directly contact a chip pin, 1Ω input impedance is realized by using a multi-resistance parallel technology, current resistance of the probe is improved, and the influence of a lumped resistance parasitic effect is reduced, so that a probe insertion loss S21 fluctuates by not more than ±2dB in a frequency range of 150kHz-1GHz. The design process adopted by the application is a mature printed circuit board and CNC process, and has the advantages of portability, replicability, low cost, short development cycle and the like for batch production requirements.
Owner:BEIHANG UNIV
Hole repairing device for decorative veneer
ActiveCN224183294Ueasy to operatepromote repairMulti-purpose machinesIrregularity removal devicesElectric machineryStructural engineering
The utility model discloses a hole repairing device for a decorative veneer, and relates to the technical field of decorative veneers. The support comprises a top plate, side plates are fixed to the two sides of the bottom of the top plate, bottom plates are arranged on the outer sides of the bottom edges of the side plates, strip-shaped openings are formed in the side plates, rail bodies are fixed to the two sides in the strip-shaped openings, the reversing frame comprises a fastening sleeve of a square structure, and shaft ends are fixed to the two sides of the fastening sleeve; sliding seats are rotationally connected to the outer portions of the shaft ends, the two sliding seats are arranged in strip-shaped openings in the two side plates in a sliding mode respectively, and electric push rods connected with the top plate and the sliding seats are arranged in the strip-shaped openings. By designing the novel repairing device, positioning, drilling, ash removal, plug pressing and grinding can be integrated, workers do not need to carry various devices and tools, operation of the workers is facilitated, repairing efficiency is improved, and the repairing device is portable, beneficial to repairing any position and convenient to carry and move.
Owner:WUXI YUSHEA FURNITURE CO LTD
Drawing measuring scale for engineering cost
ActiveCN224095045Ustay stableSolving accuracy challengesAngles/taper measurementsRulers for direct readingStraightedgeProtractor
The utility model relates to the technical field of measuring tools, and discloses a drawing measuring scale for engineering cost, which comprises a main scale, an outer surface of which is movably connected with an auxiliary scale. And the locking mechanism is arranged at the top end of the auxiliary ruler. According to the drawing measuring ruler for the engineering cost, the straight ruler and the protractor are integrated, in the engineering cost drawing measuring and drawing work, the measuring ruler can be directly used for completing angle measurement and straight line drawing, workers do not need to frequently switch tools, the operation procedures are greatly reduced, and the working efficiency is remarkably improved; time waste and measurement errors caused by tool switching are avoided, the data basis of engineering cost calculation is accurately guaranteed, due to the design of the locking mechanism, it can be guaranteed that the auxiliary ruler stably stays at the required angle position during rotation, angle deviation caused by slight shaking is avoided, and the engineering cost is accurately calculated. The precision problem of a traditional measuring tool in the aspect of angle measurement is solved.
Owner:GUANGDONG RENXIN ENG COST CONSULTING CO LTD
Dual-purpose physiotherapy bag
ActiveCN224292067UPortablereduce lossTherapeutic coolingTherapeutic heatingPhysical medicine and rehabilitationHeat conservation
The utility model discloses a cold and hot dual-purpose external application physiotherapy bag, and particularly relates to the technical field of external application physiotherapy, and the utility model discloses a cold and hot compress bag for external application physiotherapy, the cold and hot compress bag is externally provided with the auxiliary part for enhancing the comfort of use, the auxiliary part includes the heat preservation bag, the heat preservation bag is externally provided with the cold and hot compress bag, the front side of heat preservation bag is processed with the zip fastener convenient to take and put the cold and hot compress bag, the bottom of heat preservation bag is provided with the through -hole, and the through -hole is equipped with the polyethylene belt, the detachable connection of heat preservation bag and the cold and hot compress bag makes heat preservation bag have certain portable, and the medical staff is convenient to store and arrange, reduces the risk that the cold and hot compress bag loses or is damaged, can also gather the condensed water by heat preservation bag simultaneously, avoids the condensed water drop to the patient skin, avoids the condensed water drop to the wound and causes the infection, is convenient for providing the clean external application environment for the patient, improves the physiotherapy effect of patient.
Owner:TIBET YUNDENG PHARM TECH CO LTD
An adjustable spectrum light source and method of adjusting the same
The present application relates to a kind of spectral light source applied to target simulator simulation, specifically relates to a kind of adjustable spectral light source and its adjusting method.Solve the technical problem that the spectral light source obtained from prior art cannot contain multiple spectral information simultaneously, and spectral information is not modulated, so that target simulator is difficult to realistically simulate the scene with spectral information.The adjustable spectral light source of the present application includes exit light source module, spectral decomposition adjustment module and spectral mixing module;Spectral decomposition adjustment module includes filter array, coupling element and spatial light modulator;The exit light of exit light source module is uniformly irradiated to filter array, is divided into different spectral range light after filtering by filter array, then is converged after coupling element, so that the light of each spectral range is located at different positions of spatial light modulator, and after modulation by spatial light modulator, form the divergent light with multiple specific spectral information, and the divergent light is output target spectral light source by spectral mixing module.
Owner:XIAN INST OF OPTICS & PRECISION MECHANICS CHINESE ACAD OF SCI
Prefabricated part preformed hole positioning device
ActiveCN224089274UQuick vertical supportStable vertical supportCeramic shaping mandrelsCeramic shaping coresStructural engineeringMechanical engineering
The utility model discloses a prefabricated part preformed hole positioning device which is installed on a mold of a prefabricated part and comprises a positioning frame, a fixing piece and a plurality of embedded sleeves. The positioning frame is fixed to a mold through the fixing piece and extends into a to-be-poured area of the prefabricated part. The positioning frame comprises a first positioning plate, a second positioning plate and a fastening assembly, the first positioning plate and the second positioning plate are provided with a plurality of positioning holes corresponding to each other in the normal direction, and the pre-embedded sleeves are arranged in the positioning holes in a penetrating mode. And the diameter of the positioning hole is equal to the outer diameter of the embedded sleeve. The fastening assembly comprises a fixed chuck arranged on the periphery of the positioning hole, a sliding clamping plate arranged on the first positioning plate or the second positioning plate in a sliding mode and a locking piece. A movable chuck matched with the fixed chuck is arranged on the sliding clamping plate; the locking piece is at least used for locking the buckling state of the movable chuck and the fixed chuck; the device is provided with a calibration seam in a fitting area of the device and the mold.
Owner:CCCC FIRST HIGHWAY XIAMEN ENGINEERING CO LTD +1
A hybrid three-level half-bridge dual active dc-dc converter and a control method thereof
ActiveCN121813886BOptimize dynamic control stabilityInductor current stress is small
The application provides a hybrid three-level half-bridge dual-active DC-DC converter and a control method thereof. r Auxiliary inductors and switch tubes S1-S4, Q1-Q4 are vice-side switch tubes, the original side switch tube and the vice-side switch tube are connected by a high-frequency transformer, the control method constructs a virtual power control quantity, the virtual power is normalized, and according to the real-time voltage conversion ratio of the system, smooth switching and dynamic optimization can be adaptively realized among multiple working modes such as triangular modulation and trapezoidal modulation. Through topology innovation and control strategy optimization, the application reduces the switching loss, and improves the operation efficiency and stability of the converter in a wide load range and dynamic working condition.
Owner:GUANGZHOU FELICITY SOLAR TECH
A charging power supply for a multi-channel ultrasonic instrument
The utility model discloses a kind of charging power supply for multi-channel ultrasonic instrument, it is related to ultrasonic instrument power supply technical field. Including lithium cell, control panel, display screen, two pairs of solid-state relay, voltage sensor and charger, the input end of control panel is connected with control panel input interface and output end is connected with a pair of control panel output interface, the display screen is connected with display screen data line, the output end of solid-state relay is connected with a pair of solid-state relay output interface and input end is connected with a pair of solid-state relay input interface. The utility model provides a kind of multi-channel ultrasonic instrument power supply using charging battery instead of linear power supply, solve the problem existing in traditional linear power supply, and with portability, long time use, high efficiency and environmental protection energy saving and other advantages, provide more convenient, reliable power supply solution for the application of multi-channel ultrasonic instrument.
Owner:ANSHAN CHANGFENG NONDESTRUCTIVE TESTING EQUIP CO LTD
A smoke generating apparatus
The application provides a smoke generating device, comprising a box body, a directional smoke exhaust system, a fuel delivery system, a fuel ignition system, a smoke agent delivery system and a control system; the fuel ignition system is composed of a combustion chamber, an ignition rod and a rear nacelle, an annular air chamber for accommodating the ignition rod and the combustion chamber is formed in the rear nacelle, the combustion chamber is composed of a plurality of independent single-tube flame pipes, the plurality of independent single-tube flame pipes are arranged in a central symmetrical annular cone, the single-tube flame pipe is composed of an inner combustion chamber and a flame guide pipe, and the ignition rod is used for igniting mixed gas in the inner combustion chamber; the fuel delivery system is used for delivering fuel to the inner combustion chamber; the smoke agent delivery system is used for delivering liquid visible light smoke agent to the flame guide pipe, and the smoke agent is blown away by airflow generated by the directional smoke exhaust system after being atomized to form a visible light obscuring smoke screen. The application can improve the combustion efficiency of the single-tube flame pipe, and can be applied to fire drill simulation smoke, stage effect creation, small area camouflage and the like.
Owner:GUOQI OPTOELECTRONICS TECH (TIANJIN) CO LTD