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61results about How to "Reduce production and development costs" patented technology
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SDN-based load balancing device and method thereof
ActiveCN106790656AReduce complexityReduce development costsTransmissionTraffic capacityMaintainability
The invention discloses a SDN-based load balancing device and a method thereof. The load balancing device comprises a load balancing controller and a plurality of load balancing switches. The plurality of load balancing switches are connected to the load balancing controller through a base plane to establish an openflow channel, the load balancing controller is used for shunting decision and load monitoring. The load balancing switch parses and transmits or discards data traffic according to instructions issued by the load balancing controller. The SDN-based load balancing device shunts a control plane and a forwarding plane of the load balancing device so as to reduce the complexity of a load balancing system, improve the system maintainability, realize multi-device interconnection cascade, and reduce the development and production cost.
Owner:NANJING BALANCE NETWORK TECH CO LTD
Movable platform calibration device and calibration method based on visual recognition
InactiveCN105869150AImprove stabilityImprove reliabilityImage enhancementImage analysisComputer graphics (images)Vision based
The invention discloses a movable platform calibration device based on visual recognition. The movable platform calibration device is used for calibrating the advance direction and / or the centre of gyration of a movable platform. The movable platform calibration device comprises a camera shooting unit and a calculation unit, wherein the camera shooting unit obtains image towards a working plane, and records the coordinate of a gauge point in the image, wherein the gauge point is arranged on the working plane and is positioned in the view range of the camera shooting unit in a movement process of the movable platform; and the calculation unit obtains the coordinate of the gauge point from the image, and fits a plurality of gauge points in an image coordinate system to obtain the movement tracks of the gauge points in the image. The movable platform calibration device only utilizes a visual sensor to accurately calibrate the advance direction and the centre of gyration of a mobile robot on the premise that other sensors or positioning ways do not need to be used so as to be favorable for improving the stability and the reliability of the mobile robot in the movement process and be favorable for lowering the production and research and development cost of the robot.
Owner:NANJIANG ROBOT
Large-view field distortionless scaling objective lens
The invention discloses a large-view field distortionless scaling objective lens, which relates to the field of optical objective lenses, meets precise detection requirements on a large-sized workpiece in industrial detection, and overcomes technical shortcomings of the existing scaling objective lens. The objective lens comprises an objective surface, lenses form the first to the fourth, an aperture, lenses from the fifth to the ninth, and an image surface arranged sequentially along the optical axis; the fifth lens and the sixth lens form a bonding lens; and light emitted by the objective surface sequentially passes the first lens, the second lens, the third lens, the fourth lens, the aperture, the bonding lens, the seventh lens, the eighth lens and the ninth lens to arrive at the image surface for imaging. A small number of glass lenses are adopted, various imaging aberrations are optimized and fully corrected, parameters of a lens with the minimal caliber can be adjusted, requirements of different lighting light sources are met, the objective surface size of the scaling objective lens can reach 750mm, and the full-view field distortion is smaller than 0.012%, and the large-view field distortionless scaling objective lens can be widely applied to large-breadth high-speed and high-precision automatic optical detection equipment.
Owner:CHANGCHUN YITIAN TECH CO LTD
Compact catadioptric type athermalization imaging spectrometer
ActiveCN109781261AReduce the differenceImprove spatial resolutionSpectrum generation using diffraction elementsSpectrum generation using refracting elementsGratingImaging quality
The invention discloses a compact catadioptric type athermalization imaging spectrometer. Telecentric light incident from the slit is folded or refracted into a plano-convex lens by an object space prism; after being refracted by the plano-convex lens and a meniscus lens and refracted and reflected by a thick catadioptric mirror, the light beams are incident on a convex grating in the form of convergent light beams, and spectral light splitting is realized after diffraction; the divergent beams are refracted by the thick catadioptric mirror, the meniscus lens and the plano-convex lens in sequence and enter an image space prism; after being folded or refracted and filtered, the light is imaged on a focal plane to realize spectral imaging. According to the invention, the full-immersion catadioptric type optical path based on the Offner device is adopted, so that the structure is compact, and the relative aperture of the imaging spectrometer is greatly improved; the meniscus lens with a high refractive index is adopted to realize spectral imaging of a long slit; the thermal expansion coefficient of each refraction element material is optimized, so that the imaging spectrometer is stable in image quality within a large temperature range, and athermalization is realized; and the method is suitable for the hyperspectral remote sensing application with large view field, high signal-to-noise ratio and high temperature adaptability.
Owner:SUZHOU UNIV
High-precision real-time online multi-phase flow meter for oil field
The invention provides a high-precision real-time online multi-phase flow meter for an oil field. The high-precision real-time online multi-phase flow meter comprises a safety valve, a gas-liquid separator, a floater oil-gas three-way adjusting valve, a liquid flow meter, a pressure gauge, a water content measuring instrument, a gas flow meter, valves and a pipeline, wherein the gas-liquid separator is used for carrying out gas-liquid separation on a medium; the floater oil-gas three-way adjusting valve guarantees metering precisions of the liquid flow meter and the gas flow meter; the water content measuring instrument utilizes differential pressure transmitters to measure a water content numerical value in liquid. The multi-phase flow meter can be used for accurately, rapidly and effectively measuring the water content of the liquid in real time and the measurement error of the water content is less than plus or minus 2%; oil, water and gas yield numerical values are obtained by processing metering results of the liquid flow meter and the gas flow meter by a computer. The multi-phase flow meter can implement production optimization; the working efficiency of the oil field is improved and the production and development costs of the oil field are saved; the oil field management and the flow control are facilitated.
Owner:四川速荣科技有限公司
Design method for wallpaper embossing wheel mold and application of design method
The invention discloses a design method for a wallpaper embossing wheel mold. The design method comprises the steps of using professional wallpaper drawing software AVAsystem to perform data analysis to an original hand drawing and converting a stereoscopic hierarchy feeling and texture data in the original hand drawing into two-dimensional plane data codes; and then converting the two-dimensional plane data codes into data for processing a three-dimensional wallpaper embossing wheel mold through the professional software AVAsystem to complete the design of the wallpaper embossing wheel mold. Further, the wallpaper embossing wheel mold is engraved by adopting a laser engraving method according to the obtained data for processing the three-dimensional wallpaper embossing wheel mold. Not only can the wallpaper embossing wheel mold which is manufactured by adopting the design method for the wallpaper embossing wheel mold more finely and completely present the unique picture, flowers and colors of the original drawing, but also the development time of the wallpaper embossing wheel mold is decreased to 25 days from the original 45 days and the development speed of the wallpaper embossing wheel mold is greatly improved.
Owner:SHANGHAI SUWALPER WALLPAPER CO LTD
Valve repair system implanted into artificial chordae tendineae
PendingCN114681154AReduced puncture injuriesSmooth retreatCannulasHeart valvesChordae tendineaePuncture procedure
The invention discloses a valve repair system implanted with an artificial chordae tendineae. The valve repair system comprises a handle operating device, a valve clamping device, a valve puncture device, a catheter and a valve capture feedback device, the valve clamping device comprises a clamping control piece, a near-end chuck and a far-end chuck; the valve puncture device comprises a traction ring, a connecting piece, a puncture needle and a puncture hollow tube, wherein the puncture needle is sleeved with the puncture hollow tube in a limited mode, and the puncture hollow tube is detachably connected with the connecting piece. The traction ring and the connecting piece are contained in the far-end chuck, and the far end of the puncture needle assembly is contained in the near-end chuck. An artificial chordae tendineae is arranged in the clamping control piece in a penetrating manner; the handle operating device comprises a handle, a puncture operating mechanism, a clamping operating mechanism and a feedback operating mechanism, the puncture operating mechanism is connected with the puncture needle assembly, the clamping operating mechanism is connected with the clamping control piece, and the feedback operating mechanism is connected with the valve capturing feedback device. The device is small in puncture injury, implantation and knotting of multiple sets of artificial chordae tendineae are achieved at a time, and the clamping condition is simply and reliably fed back.
Owner:HALOCINCH MEDICAL TECH (SHENZHEN) CO LTD
Vehicle front cabin structure and vehicle
Owner:BYD CO LTD
Multi-stage temperature-control unsaturated-soil creepmeter
InactiveCN102854055AShorten test timeReduce manufacturing costStrength propertiesTested timeCreepmeter
The invention belongs to the research field of geotechnical engineering tests and discloses a multi-stage temperature-control unsaturated-soil creepmeter. The multi-stage temperature-control unsaturated-soil creepmeter comprises pressure chambers (1), a suction control device (2), a temperature-controlled cabinet (3), pressure transferring devices (4), a loading device (5) and measurement devices (6). The pressure chambers (1) are fixedly arranged in the temperature-controlled cabinet (3). The suction control device (2) is arranged outside the temperature-controlled cabinet (3). The temperature-controlled cabinet (3) is arranged on a rigid platform located at a lower end of the loading device (5). The pressure transferring devices (4) are respectively arranged between the pressure chambers (1). The loading device (5) is arranged outside the temperature-controlled cabinet (3). The tops of the measurement devices (6) are fixedly arranged on axial dowel bars (19) and the bottoms of the measurement devices (6) are arranged on lower flat plates of the pressure chambers (1). The multi-stage temperature-control unsaturated-soil creepmeter can carry out four creep tests simultaneously and greatly reduce unsaturated-soil creep test time.
Owner:TONGJI UNIV
Contactor driven by capacitive stored energy
InactiveCN104538251AReduce potential safety hazardsImprove experienceRelaysCapacitanceSemi automatic
The invention discloses a contactor driven by capacitive stored energy. The contactor comprises at least one joint contact, a joint electromagnet, an electromagnet drive circuit and an open circuit energy storage capacitor. The open circuit energy storage capacitor is connected to the contactor, so that the contactor can still drive the open circuit electromagnet to enable the joint contacts to reset in an opened state under the condition of no power supply, action is rapid and reliable, using potential safety hazard of the contactor is effectively reduced, and the contactor and the relevant circuits are protected; in addition, through design of a starting button and a break button, the contactor can be switched on and off in an automatic, semi-automatic and manual mode, various flexible control modes are achieved and enriched, and the contactor is safer and more reliable. The contactor can be widely applied to the field of various contactors.
Owner:TECH POWER INT
Ultrasonic welding process control and quality monitoring device and method
InactiveCN110814513AControl actual energyImprove welding qualityNon-electric welding apparatusEnergy controlSystems engineering
The invention relates to a process control and quality monitoring device and method for ultrasonic welding. The process control and quality monitoring device comprises a sampling module, a calculationmodule, a data module, a signal module, a man-machine module, a communication module and corresponding connection circuits, wherein the sampling module is connected with the calculation module, the calculation module is connected with the sampling module, the data module, the signal module and the communication module, the data module is connected with the calculation module and the communicationmodule, the man-machine module is connected with the signal module, and the communication module is connected with the calculation module, the data module, the signal module and the man-machine module. According to the process control and quality monitoring device and method, by collecting signals such as the working current and voltage of an ultrasonic transducer, fine control and quality feedback are carried out on the whole process of ultrasonic welding so that a plurality of existing analog ultrasonic power supply welding machines can also realize accurate energy control and quality monitoring.
Owner:广东仁开科技有限公司
Method for preparing bacterium-algae cells through two-wheel coculturing and flocculation method
InactiveCN105695355AIncrease growth rateIncrease biomassBacteriaUnicellular algaeFlocculationPantoea
The invention discloses a method for preparing bacterium-algae cells through a two-wheel coculturing and flocculation method. The method comprises the steps of 1, conducting the first cycle of coculturing on rice endogenous pantoea which is added for the first time and chlorella under illumination, so that after culturing is ended, a bacterium-algae coculturing solution of the first cycle is obtained; 2, supplementing rice endogenous pantoea which is added for the second time into the bacterium-algae coculturing solution of the first cycle, conducting the second cycle of bacterium-algae coculturing under illumination, so that after culturing is ended, a bacterium-algae coculturing solution of the second cycle is obtained; 3, conducting flocculation collection treatment on the bacterium-algae coculturing solution of the second cycle, so that the bacterium-algae cells are obtained. According to the method, bacterium-algae coculturing is conducted through the rice endogenous pantoea and the chlorella, the growth rate of the algae cells is raised, biomass of the algae cells is increased, meanwhile, flocculation performance of the algae cells is improved, application of chemical flocculating agents and toxic harm to the algae cells are reduced, algae cell collection efficiency is improved, algae cell collection cost is lowered, and thereby industrial production and development and application cost of chlorella are remarkably lowered.
Owner:ZHEJIANG GONGSHANG UNIVERSITY
Flower nursery stock cultivation substrate and preparation method thereof
ActiveCN102391039BImprove the cultivation effectReduce production and development costsBio-organic fraction processingOrganic fertiliser preparationPeatFlora
Owner:山西海元森生物科技有限公司
A preparation method of a display substrate, a display substrate and a display screen
ActiveCN109148271AIncrease profitReduce production and development costsPhotomechanical apparatusSemiconductor/solid-state device manufacturingMetallic materialsPhotoresist
The present application discloses a preparation method of a display substrate, a display substrate and a display screen. The method includes coating a metal material on a substrate which adopts a first mask to form a black matrix region; Coating photoresist on the metal material; Performing a first exposure process on the photoresist using a second mask; Performing a second exposure process on thephotoresist by using the first mask; Developing the photoresist after two exposure treatments to expose a part of the metal material; The bare metal material is etched to form a metal layer. The technical proposal of the embodiment of the invention can improve the utilization rate of the original mask so as to reduce the production development cost.
Owner:BOE TECH GRP CO LTD +1
Spiral array measurement and control antenna
ActiveCN102222815AGood broadband matching characteristicsReduce horizontal sizeAntenna arraysAntenna supports/mountingsFrequency bandEngineering
The invention discloses a 12 spiral array measurement and control antenna, relating to a measurement and control antenna device in the field of unmanned aerial vehicle measurement and control antennas. The 12 spiral array measurement and control antenna comprises twelve 14.5-circle single-winding, parasitic, conical spiral unit antennas, two one sixth non-equiamplitude power dividers, a sum and difference device, fourteen equi-phase low-loss coaxial cables, an unequal space main skeleton with a box section, a cable socket, a supporting rod and the like. The spiral array measurement and control antenna disclosed by the invention has the characteristics of high gain, low side lobe, wide frequency band, good circular polarization property and matching property, small volume, light weight, easiness in installation, suitability for vehicle-mounted and long-distance low-elevation tracking and the like, and is particularly suitable for being used as the measurement and control antenna device in the field of unmanned aerial vehicle measurement and control antennas.
Owner:NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
Quick-plugging and interconnecting structure of power supply for logistics monitoring device
ActiveCN110311072AImprove the efficiency of disassembly and replacement operationsThe overall structure is simple and reliableCurrent conducting connectionsCouplings bases/casesLogistics managementSpring force
The invention discloses a quick-plugging and interconnecting structure of a power supply for a logistics monitoring device. A power supply clamp strip moves along a power supply clamp strip limit guiding groove to a control module. When the power supply clamp strip contacts and squeezes a wedge-shaped self-locking block, under the action of the pressing force and the compression spring force, a lock buckle clip plate directionally moves along a limit mechanism to one end provided with a compression spring. After the power supply clamp strip completely passes through the wedge-shaped self-locking block, the lock buckle clip plate carries out directional and reset movement along the limit mechanism under the force of the compression spring until the wedge-shaped self-locking block completesthe locking action of the power supply clamp strip, so as to define and constrain the right-direction motion freedom of a power supply module. According to the invention, a lock buckle realizes directional movement and resetting of a lock body clamp strip by relying on the wedge-shaped self-locking block and the compression spring, and can effectively cooperate with a limit guiding structure to realize quick insertion, installation and fixation of an external power supply cabin body; the power supply of the container intelligent monitoring device can realize toolless quick disassembly and replacement in the operation process; the structure design of a product is effectively simplified; and the efficiency of disassembly and replacement of the power supply is improved.
Owner:XIAN MICROELECTRONICS TECH INST
Rocket last-stage attitude time-sharing control method and device based on fuzzy membership function
PendingCN114442647AGuaranteed reliabilityAddress reliabilityAttitude controlJet flowFuzzy control system
The invention relates to a rocket last-stage attitude time-sharing control method based on a fuzzy membership function, a fuzzy logic strategy is introduced into a last-stage rocket body attitude control system of a simplified side jet flow device, and the side jet flow device comprises a plurality of axial and radial jet pipes arranged on the outer side wall of the circumference of a cylindrical rocket body. The jet pipes jet airflow to provide pitching, yawing and rolling control moments for the rocket body, the final-stage attitude of the rocket is controlled according to the control characteristic quantity, different control jet pipe combinations are reasonably selected by using fuzzy logic rules, and a control strategy is executed. The core of the method is fuzzy logic design, a fuzzy control stylization method is utilized, the characteristic control quantity attitude angle and the attitude angular rate obtained through calculation of an inertial measurement unit are used as input, a fuzzy strategy is generated, then a corresponding control spray pipe is selected to act to apply control torque to a rocket body, and the attitude angle and the angular rate of the rocket body are changed. And the rocket body attitude meets the design requirements.
Owner:AEROSPACE SCI & IND KET TECH CO LTD
5G communication robot intelligent vending machine and unmanned supermarket
PendingCN110689668AReduce production and development costsLow costProgramme-controlled manipulatorGripping headsMachineEmbedded system
The invention relates to a 5G communication robot intelligent vending machine, which comprises a main cabinet and at least one commodity cabinet. The main cabinet and the commodity cabinets are closely arranged side by side. The main cabinet comprises a sample display window, a goods outlet and a robot window, which are arranged in a main cabinet door. A simulation robot with a head and hands is arranged in the main cabinet. The intelligent vending machine further comprises a microwave heater, a recycling box and a goods outlet platform connected with the goods outlet. A commodity display window and an operation screen are arranged on the cabinet door of the commodity cabinet. A goods selection system is arranged in each commodity cabinet. The invention further discloses the unmanned supermarket composed of the intelligent vending machine. The intelligent vending machine is scientific in structure and low in cost.
Owner:尹少斌 +1
A Large Field of View Distortionless Scaling Objective Lens
The invention discloses a large-view field distortionless scaling objective lens, which relates to the field of optical objective lenses, meets precise detection requirements on a large-sized workpiece in industrial detection, and overcomes technical shortcomings of the existing scaling objective lens. The objective lens comprises an objective surface, lenses form the first to the fourth, an aperture, lenses from the fifth to the ninth, and an image surface arranged sequentially along the optical axis; the fifth lens and the sixth lens form a bonding lens; and light emitted by the objective surface sequentially passes the first lens, the second lens, the third lens, the fourth lens, the aperture, the bonding lens, the seventh lens, the eighth lens and the ninth lens to arrive at the image surface for imaging. A small number of glass lenses are adopted, various imaging aberrations are optimized and fully corrected, parameters of a lens with the minimal caliber can be adjusted, requirements of different lighting light sources are met, the objective surface size of the scaling objective lens can reach 750mm, and the full-view field distortion is smaller than 0.012%, and the large-view field distortionless scaling objective lens can be widely applied to large-breadth high-speed and high-precision automatic optical detection equipment.
Owner:CHANGCHUN YITIAN TECH CO LTD
Performance detection device of heat-resisting PET (Polyethylene Terephthalate) bottle
ActiveCN103364278ADetection data is reliableEnsure consistencyMaterial strength using tensile/compressive forcesMaterial thermal analysisExhaust valveVacuum pressure
The invention discloses a performance detection device of a heat-resisting PET (Polyethylene Terephthalate) bottle. The performance detection device comprises a mounting frame in a stereoscopic frame shape, a hoisting device which is arranged on the mounting frame, a hot filling pipe which is used for inputting constant-temperature hot water, a filling throttling device and a filling valve which are mounted on the hot filling pipe, a vacuumizing device, an air exhausting pipe, and an air exhausting throttling device and an air exhausting valve which are mounted on the air exhausting pipe, wherein a water outlet of the hot filling pipe faces downward in a vertical direction; the hoisting device is located below the hot filling pipe and enables a bottleneck of the heat-resisting PET bottle mounted on the hoisting device to be aligned to the water outlet of the hot filling pipe; the air exhausting pipe and the vacuumizing device are respectively connected with a body of the hot filling pipe. According to the performance detection device disclosed by the invention, the vacuum-resisting degree and the heat resistance of the heat-resisting PET bottle can be directly measured; a read vacuum pressure value can accurately reflect the vacuum-resisting capability of the bottle and detection data is accurate and reliable; the vacuumizing device is used for vacuumizing so as to ensure the consistency of detection results; the repeated test on a beverage filling line is reduced; the production and development cost is saved; the development period is effectively shortened.
Owner:佛山市旭捷包装技术有限公司
A method for preparing bacteria and algae cells by two rounds of co-cultivation and flocculation
InactiveCN105695355BIncrease growth rateIncrease biomassBacteriaUnicellular algaeFlocculationPantoea
The invention discloses a method for preparing bacterium-algae cells through a two-wheel coculturing and flocculation method. The method comprises the steps of 1, conducting the first cycle of coculturing on rice endogenous pantoea which is added for the first time and chlorella under illumination, so that after culturing is ended, a bacterium-algae coculturing solution of the first cycle is obtained; 2, supplementing rice endogenous pantoea which is added for the second time into the bacterium-algae coculturing solution of the first cycle, conducting the second cycle of bacterium-algae coculturing under illumination, so that after culturing is ended, a bacterium-algae coculturing solution of the second cycle is obtained; 3, conducting flocculation collection treatment on the bacterium-algae coculturing solution of the second cycle, so that the bacterium-algae cells are obtained. According to the method, bacterium-algae coculturing is conducted through the rice endogenous pantoea and the chlorella, the growth rate of the algae cells is raised, biomass of the algae cells is increased, meanwhile, flocculation performance of the algae cells is improved, application of chemical flocculating agents and toxic harm to the algae cells are reduced, algae cell collection efficiency is improved, algae cell collection cost is lowered, and thereby industrial production and development and application cost of chlorella are remarkably lowered.
Owner:ZHEJIANG GONGSHANG UNIVERSITY
Mechanical meshing high-strength bolt assembly for steel sheets
The invention discloses a mechanical meshing high-strength bolt assembly for steel sheets. The mechanical meshing high-strength bolt assembly comprises a bolt, gaskets sleeving a bolt rod, and a nut for pre-tightening the gaskets and a bolt head, wherein the gaskets comprise the convex gasket close to the bolt head and the concave gasket close to the nut, the convex gasket and the concave gasket are provided with matched press patterns, at least two layers of steel sheets are fixed between the convex gasket and the concave gasket in a fitting mode, and the steel sheets form a mechanical meshing effect under the pre-tightening effect of the convex gasket and the concave gasket. On the basis of the adoption of bolt connection, the connecting performance of the bolt is improved, compared with traditional bolt connection, the connecting rigidity and the shear bearing capacity are improved, and the mechanical meshing high-strength bolt assembly is suitable for large-batch and large-scale production.
Owner:WUHAN UNIV
ETC system integrating battery replacement interaction and battery replacement interaction method
PendingCN111862362AStrong interactionAvoid developmentTicket-issuing apparatusCharging stationsTelecommunications linkIn vehicle
The invention relates to an ETC (Electronic Toll Collection) system integrating battery replacement interaction and a battery replacement interaction method, and the ETC system comprises a vehicle-endETC device which is used for transmitting and receiving information at a vehicle end; the battery swap station end ETC device is used for sending and receiving information at the battery swap stationend; wherein the battery swap station end ETC device is in communication connection with a control host of the battery swap station through the Ethernet; the vehicle-end ETC device is in communication connection with the vehicle-mounted gateway through a CAN bus or an in-vehicle Ethernet. And the vehicle-end ETC device and the battery swap station-end ETC device establish a communication link through microwaves so as to realize information interaction between the vehicle and the battery swap station. According to the invention, the communication link between the ETC system and the vehicle isadded on the basis of the ETC system to realize information interaction between the vehicle and the battery swap station, so that additional development of information interaction equipment can be reduced, and the development cost is reduced.
Owner:ZHEJIANG GEELY HOLDING (GROUP) CO LTD +1
A high-precision real-time online multiphase flowmeter for oil field
ActiveCN104234691BImprove work efficiencyReduce production and development costsSurveyDifferential pressureMeasuring instrument
Owner:四川速荣科技有限公司
Dialect voice AI control method, device and terminal
InactiveCN109979455AReduce production and development costsSpeech recognitionSound input/outputComputer terminalSmart products
The invention relates to the field of intelligent voice control, in particular to a dialect voice AI control method, a dialect voice AI control device and a terminal. The dialect voice AI control method comprises the steps of obtaining a wake-up word and a control instruction; entering a language learning state according to the control instruction; carrying out language copying through the voice information obtained for multiple times; analyzing the copied language information and translating the language information with a mainstream language; and controlling the intelligent product accordingto the inter-translation entry. By means of the method, the dialect learning and the intelligent product control can be achieved in the non-networked state.
Owner:SHENZHEN SHANGKE DECORATION TECH CO LTD
Preparation method of bidirectional bullet-proof glass
ActiveCN108582926APrevent splashReduce production and development costsProtective equipmentSynthetic resin layered productsPolyvinyl butyralThermoplastic polyurethane
The invention provides a preparation method of bidirectional bullet-proof glass. The preparation method comprises the following steps of preparation of raw materials: cutting the glass raw sheet, grinding the edges, cleaning, printing, drying, and hot bending, so as to enable the glass raw sheet to reach the required bending degree; cutting a thermoplastic resin board by a water jet scalpel according to the required pattern, cleaning the surface after cutting, putting the thermoplastic resin board into a sheet combining chamber to dehumidify after cleaning, putting the dehumidified thermoplastic resin board between the two glass raw sheets after hot bending, pushing into an oven, baking and bending; sheet combining: sequentially laminating the glass raw sheet with thickness of 4 mm, a PVB(polyvinyl butyral) film with thickness of 0.76 mm, a TPU (thermoplastic polyurethane) film with thickness of 0.65 mm, the thermoplastic resin board with thickness of 1.5 mm, a TPU film with thicknessof 0.65 mm, the thermoplastic resin board with thickness of 1.5 mm, a TPU film with thickness of 0.65 mm, a PVB film with thickness of 0.76 mm, and the glass raw sheet with thickness of 4 mm.
Owner:JIANGSU HUASHANG AUTOMOBILE GLASS IND
A Safe Nail Roller
Currently, movable parts in a coil nail device of a coil nail machine can not be installed in a protecting cover, and the phenomenon that operators are hurt frequently occurs. According to the safe coil nail device of the coil nail machine, non-universal elements such as a duplex slide cylinder support, a bearing support, a speed reduction motor support, the protecting cover, a coupler and a coil nail shaft are manufactured through universal elements such as a duplex slide cylinder, a direct-current speed reduction motor, a constant-current drive circuit of the direct-current speed reduction motor and a bearing, then the safe coil nail device which is simple in structure, stable in running, small in size, capable of producing high-quality coil nails and free of hurting the operators can be assembled, and the safe coil nail device is used for replacing conventional coil nail devices which are widely used at present.
Owner:翟佑华
Filtering-free signal acquisition method, filtering-free signal acquisition system and electric leakage protection device
ActiveCN112491001AImprove detection accuracyThe slope of the sampling waveform is smallEmergency protection detectionShort-circuit testingCarrier signalWave form
The invention discloses a filtering-free signal acquisition method, which relates to the technical field of signal acquisition methods, and comprises the following steps that S1, a main control end generates a PWM carrier signal with a certain frequency F, and outputs the PWM carrier signal to a modulation signal end; S2, the modulation signal end modulates information needing to be detected to aPWM carrier signal to form a modulation signal with a carrier, and transmits the modulation signal to the main control end; S3, the main control end obtains N according to the modulation signal oscillogram with the carrier waves; S4, delay time T is calcualted according to a formula T = (1 / F) * N; and S5, the main control end performs ADC sampling on the modulation signal with the carrier at the optimal sampling time point M in each PWM carrier signal period to obtain information needing to be detected. According to the invention, the modulation signal with the carrier wave is collected through the optimal sampling opportunity, the signal does not need to be filtered, the reliability of the product is improved, and the volume of the product is effectively reduced.
Owner:GUOCHUANG INNOVATION CENTER OF MOBILE ENERGY (JIANGSU) CO.,LTD.
Unhairing light source module based on multiple LED lamps with different wavelengths and LED unhairing machine
The embodiment of the invention discloses an unhairing light source module based on multiple LED lamps with different wavelengths and an LED unhairing machine, and relates to the technical field of unhairing equipment. The unhairing light source module comprises a microcontroller, a constant-current driving unit, an LED unit and a refrigerating unit. The microcontroller is respectively connected with the constant-current driving unit and the refrigeration unit, and the microcontroller is used for being connected with an IC chip; the constant-current driving unit is connected with the LED unit;the refrigeration unit is arranged on one side of the LED unit; the LED unit comprises a plurality of LED series groups which are connected in parallel, and each LED series group comprises a first LED lamp, a second LED lamp and a third LED lamp which are different in wavelength. The unhairing light source module is manufactured on the basis of a plurality of monochromatic light LED lamps with different wavelengths, is convenient to operate and simple in structure, and has the advantages of low voltage safety, continuous and rapid flashing and long service life. And meanwhile, the developmentand production cost is reduced, and the structure of the product is smaller.
Owner:深圳市汇进智能产业有限公司
A kind of SDN-based load balancing device and method thereof
Owner:NANJING BALANCE NETWORK TECH CO LTD
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