74results about How to "Launch implementation" patented technology

A capacitive fingerprint sensor and a fingerprint imaging module are provided, comprising: a base board; and pixel units that are on a surface of the base board and are arranged in an array, wherein each pixel unit comprises an amorphous switching element and a first pole plate connected to the amorphous switching element, and the first pole plate is used to form a capacitor structure with a fingerprint and output an electrical signal when the amorphous switching element is conducted. According to the invention, the amorphous switching element and the first pole plate connected to the amorphous switching element are arranged, the electrical signal with fingerprint information are obtained by using the first pole plate, and a fingerprint image is obtained according to the electrical signal. The amorphous switching element and the first pole plate are integrated by using an amorphous silicon technology, and a crystalline silicon technology in the prior art is avoided, so that element manufacturing process difficulty can be effectively reduced, process complexity is reduced, an element manufacturing yield is improved, and element manufacturing costs are reduced.

The invention discloses a method for driving a nonmetal flyer with laser, which includes the step: enabling the laser generated by a laser device to enter an ablation layer on optical glass, enabling materials on the ablation layer to instantly evaporate, gasify and ionize so that high-temperature and high-pressure plasmas are generated, and under restraint of the optical glass, enabling high-pressure shock waves generated by the plasmas to act on the other face of the ablation layer and be positioned on a nonmetal film in front of an incident area, so that the residual non-metal film is sheared and driven at a high speed, and the high-speed flyer is formed. The method and an implementation device can make up the defect that a current laser-driven flyer can only emit metallic grits so that non-metal grits can be emitted, and can also be applied to the field of high-pressure physics, space science, material micro-forming technology, rapid initiation of explosives and the like. When a space debris environment is simulated in a laser-driven flyer manner in the space science, the debris environment can be efficiently simulated by alternately using various flyer materials.

The invention relates to an audio emission chip, an audio receiving chip and a wireless microphone system. The audio emission chip comprises an emission front-end processing module for performing dynamic range contraction processing on an audio signal, modulating auxiliary information, and superposing the processed audio signal and the modulated auxiliary information to obtain a composite signal, and a modulator for modulating the composite signal into a radio frequency signal according to a channel selection signal, wherein the frequency of the modulated auxiliary information is different from that of the audio signal; and the emission front-end processing module and the modulator are integrated in a single integrated circuit. The audio emission chip can emit and receive the audio signal and the auxiliary information at the same.

The invention discloses a laser radar detection device based on a lens and an integrated light beam transceiver. The laser radar detection device comprises a laser, a coupling optical fiber, a substrate, an input waveguide, a connecting waveguide, a 1 * N optical switch, a switch electrical interface, N switch output waveguides, N transceiving units, an off-chip processor and a lens, wherein N isa positive integer greater than 2. According to the invention, three-dimensional detection of a target can be realized, and the device has the characteristics of two-dimensional light beam steering independent of wavelength switching, low control complexity, low electric power consumption, receiving and transmitting monolithic integration and high receiving efficiency, and is compatible with two laser ranging functions of ToF and FMCW.

The invention relates to an intelligent unmanned aerial vehicle based on the Internet of Things. The intelligent unmanned aerial vehicle comprises a body, a flight mechanism arranged above the body, a solar power generation device and a buffering mechanism arranged below the body. The body is provided with multiple indicator lamps. By the adoption of the intelligent unmanned aerial vehicle based on the Internet of Things, sliding boards are driven by a sliding mechanism to move, so that second through holes in the sliding boards are staggered relative to first through holes in clamping boards, the air resistance of all balance units is changed, the unmanned aerial vehicle is adjusted so that the unmanned aerial vehicle can stably and safely land. In addition, in an ultrasonic transmitting circuit, a conventional discrete element is adopted, wireless signal transmission is achieved, meanwhile, the production cost of the circuit is greatly reduced, and the practical value of the circuit is improved.

The invention discloses a phased array ultrasonic transducer and an ultrasonic phased array inspection system. A transducer array of the phased array ultrasonic transducer is positioned on the same columnar base, used for acquiring and / or emitting three-dimensional space ultrasonic waves and provided with a plurality of ultrasonic transducer array elements. According to the technical scheme, the three-dimensional space ultrasonic waves can be acquired and / or emitted, the acquisition rate of photoacoustic signals transmitted to a three-dimensional space is increased, the three-dimensional spaceultrasonic waves are emitted, and three-dimensional space imaging is realized. The columnar base can be set into a hollow structure with through holes, the ultrasonic transducer array elements are arranged in the inner walls of the through holes, and objects to be imaged are placed into the through holes. The columnar base can further comprise a plurality of separable sub-columnar bases. The phased array ultrasonic transducer simultaneously has capabilities of transmitting and receiving acoustic wave signals to the three-dimensional space, and a novel three-dimensional phased array ultrasonictransducer is provided for the fields of medical photoacoustic imaging, ultrasonic imaging, industrial non-destructive inspection and the like.

The invention discloses a warm-white high-color-rendering-index fluorescent ceramic for high-power LED / LD illumination, as well as a preparation method and application thereof. The fluorescent ceramichas a chemical formula of (Gd(1-x-z)LuxCez)3(Al(1-y)Gay)5O12:zCe<3+>, wherein x is the molar percentage of crystal structure stable ion Lu<3+> doped Gd<3+>, y is the molar percentage of crystal structure stable ion Ga<3+> doped Al<3+>, z is the molar percentage of Ce<3+> doped Gd<3+>, x is more than or equal to 0.05 and less than or equal to 0.15, y is more than or equal to 0.15 and less than orequal to 0.2, and z is more than or equal to 0.001 and less than or equal to 0.01; and a ceramic biscuit is molded and sintered by adopting tape casting and high-temperature solid phase reaction sintering. The transparent fluorescent ceramic material has an emission spectrum main peak of 575-580nm and half-width of 140-145nm, and realizes warm-white emission under excitation of high-power LED (350-500mA) or LD (4-10W), and has a color temperature of 2800-3000K and a color rendering index of 80-84; and the preparation process is simple, and the process is controllable.

The invention discloses an electromagnetic projecting device used for launching a fire extinguishing bomb. The device comprises a base, a launching frame and an electromagnetic driving device. The launching frame is rotationally connected to the base. The electromagnetic driving device comprises a launching canister, a spring, an electromagnet and a permanent magnet. The launching canister is fixedly connected to the launching frame. One end of the spring is connected with the rear end of the launching canister, and the other end of the spring is connected with the permanent magnet. The electromagnet is fixedly connected to the bottom of the launching canister. The permanent magnet is located in front of the electromagnet in the axial direction. The electromagnet is connected with a power supply circuit. A power source, a current controller and a control switch are arranged in the power supply circuit. Attraction force or repulsion force between the electromagnet and the permanent magnet is controlled based on the current direction and magnitude, and the angle of the launching canister is adjusted by rotating the launching frame, so that the fire extinguishing bomb is projected to a fixed point finally, projection is accurate, operation is convenient, and the effects of suppressing fire and controlling fire spreading are achieved.

The invention discloses a two-dimensional layered material-based device and a preparation method therefor. The device comprises an electrode I and an electrode II; the electrode I adopts a two-dimensional layered material; the electrode I is supported by an auxiliary part and placed in a suspension manner; a gap I is formed between the top ends of the electrode I and the electrode II; the area of the top end of the electrode II is smaller than the area of the suspension part of the electrode I; a gap II is formed between the side edge of the electrode II and the side edge of the auxiliary part; and when the device is in operation, a voltage is applied between the electrode I and the electrode II. By virtue of the device, low-voltage field-induced electron emission of the planar end plane of the two-dimensional layered material can be realized, and the device can be applied to a micro-nano vacuum triode or a photoelectric detector operated in low-voltage drive and low-vacuum conditions.

The invention discloses a controllable continuous firing mechanism and a method thereof. The firing mechanism comprises a bearing base plate, a firing pipe, a firing friction wheel, a first motor, a bomb feeding pipe and a bomb plucking device. The firing pipe, the first motor and the bomb feeding pipe are installed on the bearing bottom plate; Hollow at the end of the launching pipe; The firing friction wheel is sleeved on the first electric machine and symmetrically arranged on both sides of the firing pipe end, and the distance between the outer sides of the two firing friction wheels is smaller than the diameter of the projectile; The bomb feeding pipe is connected with the launching pipe; The cartridge plucking device realizes squeezing and plucking out single or multiple projectilesby controlling the rotation angle of the cartridge. The launching mechanism can not only launch a single projectile at high speed, but also realize the continuous firing of multiple projectiles. The whole launching mechanism is small in size, simple and reliable in control.

A novel tennis ball continuous serving device comprises a base, one side of the top face of the base is fixedly connected with the lower end of a supporting shaft, the upper end of the supporting shaft is connected with the middle of the bottom face of the periphery of a launching cylinder through a universal ball bearing, and the end face of one side of the launching cylinder is open;through grooves are respectively formed in the front and rear surfaces of the other side of the periphery of the launching cylinder; a thick rod of the longitudinal second telescopic rod is installed on the top face of the base through a shaft base, a second nut is fixedly installed on each second adjusting plate, and a locking device is fixedly installed on each second adjusting plate. Under the condition that the serving speed and frequency of the device are the same, the faster a user receives tennis balls, the higher the required running speed is, the user can replace reciprocating lead screws with different lengths, then the swing angles of up-and-down swing and front-and-back swing of the left side of the serving barrel can be adjusted, the tennis ball serving angle range can be adjusted, and then the training intensity is adjusted; a user can select different modes according to own training conditions, so that targeted training is carried out, and the training effect is improved.

The invention provides an ultrasonic imaging broadband signal transmitting and processing method and a corresponding system thereof. The method comprises the following steps: configuring primitives and transmitting channels on probes to form one-to-one corresponding mapping relations, and ignoring primitives and / or transmitting channels which do not form the mapping relation; and configuring different transmitting center frequencies for the mapping relations according to the distance between the primitives or the transmitting channels with the mapping relations and the transmitting aperture center, wherein the closer the distance between the primitives or the transmitting channels is, the higher the correspondingly-configured transmitting center frequency is. The method configures different emission center frequencies for the mapping relations according to the distance between the primitives or the transmitting channels with the mapping relations and the transmitting aperture center, and can realize broadband signal transmitting; and effectively improves the transverse resolution and penetration power of far-field images, and improves the consistency of the near-field, middle-fieldand far-field images.

The invention discloses a mechanical continuous pneumatic fire extinguishing cannon, and belongs to the field of fire-protection fire extinguishing equipment. The mechanical continuous pneumatic fire extinguishing cannon is characterized in that a fire extinguishing shell (2) comprises a fire extinguishing shell head (18) and a high-pressure shooting barrel (19), one end of the high-pressure shooting barrel (19) is sealed, the other end of the high-pressure shooting barrel (19) is fixedly connected with the fire extinguishing shell head (18) in a clamped manner through a clamping and fixing mechanism, and the high-pressure shooting barrel (19) is filled with high pressure gas; and the fire extinguishing shell (2) is fixed into a cannon barrel, the cannon barrel is provided with a rotating separating unit for driving the high-pressure shooting barrel (19) and the fire extinguishing shell head (18) to relatively rotate, the clamping and fixing mechanism is separated after the high-pressure shooting barrel (19) and the fire extinguishing shell head (18) relatively rotate, and the high pressure gas in the high-pressure shooting barrel (19) pushes the fire extinguishing shell head (18) to be shot. According to the mechanical continuous pneumatic fire extinguishing cannon, site gas charging is not required, timely shooting can be achieved, and continuous shooting is achieved.

The invention relates to an intraductal totally wetted underwater electromagnetic emission device and a working method thereof. The emission device comprises an original torpedo emission tube, an electromagnetic gun tube, an electromagnetic gun, a gas-barrier-water system, a water pressure sensor, an air pressure sensor and a drainage box. The electromagnetic gun is arranged in the electromagneticgun tube, the electromagnetic gun tube is inlaid in the original torpedo emission tube by a supporting rack, the electromagnetic gun tube is formed by connecting a metal gun tube at the root and an insulating gun tube on an emission end part, and a projectile intraductal water entry totally wetted process is finished in the insulating gun tube. The projectile intraductal water entry totally wetted process is finished in the insulating gun tube comprises a water balance stage T1, an intraductal water entry wetted stage T2 and a totally wetted safe emission stage T3. The intraductal totally wetted underwater electromagnetic emission device achieves purposes of underwater launching of the electromagnetic gun and totally wetting the projectile out of a gun muzzle to enter into water, and reduces influence of a seawater environment on a flight path, so that the hitting precision is further improved. Near distance hitting and defence abilities are provided for an underwater submarine launching platform.

The invention provides a spread spectrum coding detection signal transmitting system mainly comprising the following eight unit systems: a power supply unit (1), an external console unit (2), a signal processing center unit (3), a signal generating unit (4), a signal modulation unit (5), a driving circuit unit (6), an inverter circuit unit (7) and an excitation waveform demodulation circuit unit (8). The spread spectrum coding detection signal transmitting system can realize the high power transmission of a variety of single frequency or spread spectrum coding detection signals by performing time pulse code modulation on analog detection signals.

The invention discloses fluorescent ceramic with a high color rendering index and high thermal stability for white light illumination and a preparation method of the fluorescent ceramic. The chemical formula of the fluorescent ceramic is (Lu<1-x-y>CexBiy)3(Al<1-z>Mnz)5O12, wherein x and y are respectively molar percentages of Ce < 3 + > and Bi < 3 + > doped Lu < 3 + > sites, z is the molar percentage of Al < 3 + > sites in a Mn < 2 + > doped octahedron, x is greater than or equal to 0.002 and less than or equal to 0.006, y is greater than or equal to 0.01 and less than or equal to 0.03, and z is greater than or equal to 0.002 and less than or equal to 0.02. The preparation method comprises the steps of weighing raw materials of alpha-lutetium oxide, aluminum oxide, bismuth oxide, manganese carbonate and cerium oxide, mixing and ball-milling various raw material powders, a charge compensation agent and a ball-milling medium to obtain mixed slurry, drying and sieving to obtain mixed powder, putting the mixed powder into a mold, and carrying out dry pressing molding and cold isostatic pressing molding to obtain a biscuit; and sintering the biscuit in a vacuum furnace, and annealing in air to obtain the fluorescent ceramic. The prepared ceramic is high in color rendering index and high in thermal stability.

The invention discloses a fluorescent ceramic with high thermal stability and high quantum efficiency for white LED / LD and a preparation method thereof. The chemical formula of the fluorescent ceramicis (YyCezLu1ze) 3 (ScxAl1x) 2Al3O12, wherein z is the molar percentage of Ce < 3 + > doped Lu < 3 + >, y is the molar percentage of Y < 3 + > doped Lu < 3 + >, and x is the molar percentage of Sc < 3+ > doped octahedral Al < 3 + >. The transparent fluorescent ceramic material provided by the invention has an emission spectrum main peak of 520-550 nm and a full width at half maximum of 90-110 nm.Under the excitation of a high-power blue light LED (350-500mA) or a blue light LD (2W-10W), the emission from green light to green yellow light is realized, the color temperature is 4000-10000K, theluminous intensity is attenuated by 2%-5% at 150 DEG C, and the internal quantum efficiency is 82%-88%. The prepared ceramic is simple in process and easy for industrial production.

The invention discloses a natural hyperbolic metamaterial Cu2Te micron disc random laser and a preparation method and application thereof. According to the random laser, the Cu2Te micron disc is used as a semiconductor dielectric material with HMM characteristics, GaTe is used as a gain medium, high gain is provided for the random laser, stable formation of a random laser resonator and scattering of random laser are improved, and the random laser can obtain stable random laser with a high Q value and a low threshold value. According to the preparation method, the Cu2Te micron disc is prepared in a chemical vapor deposition mode, the GaTe gain medium is deposited in a magnetron sputtering or chemical vapor deposition mode, efficient manufacturing of the natural hyperbolic metamaterial Cu2Te micron disc random laser is achieved, and the yield is high. The random laser can obtain stable random laser with a high Q value and a low threshold value, can be used in an LED light-emitting module and a laser imaging display photoelectric device, and has a wide application prospect.

The invention discloses an in-situ characterization method for optical-electric excitation electron emission. In a vacuum cavity of a high-resolution electron microscope, a micro-nano probe electrodeis used as an in-situ electric field excitation lead-in component, and an optical focusing structure is used as an in-situ optical field excitation lead-in component. In the electron emission process,a high-resolution electron microscope, a Raman spectrometer, a photoelectron emission / field emission microscope and an electron emission spectrometer are adopted to analyze the real-time morphology,structure, material composition and temperature of a material and the space and energy distribution of electron emission in situ. The invention also discloses an in-situ characterization device for electric excitation electron emission, and the device comprises the high-resolution electron microscope, the in-situ probe electrical test structure, a light field focusing structure, the Raman spectrometer, the photoelectron emission / field emission microscope and the electron emission spectrometer. The method and device of the invention can achieve the in-situ measurement of the electron emission process and the physical characteristics of the nano-structure material under the action of excitation in an optical field and the joint excitation of optical-electric fields.

The invention discloses a high-thermal-stability fluorescent ceramic for white light LED / LD and a preparation method of the fluorescent ceramic. The chemical formula of the fluorescent ceramic is shown in the specification: (GdzCexY1-X-Z)3(ScyAl1-Y)2Al3O12, wherein x is the molar percentage of Ce<3+> doped Y<3+> sites, y is the molar percentage of Sc<3+> doped octahedron Al <3+> sites, z is the molar percentage of Gd<3+> doped Y<3+> sites, x is greater than 0 and less than or equal to 0.02, y is greater than or equal to 0.6 and less than or equal to 0.8, and y: z is 10: 1. The transparent fluorescent ceramic material disclosed by the invention has an emission spectrum main peak of 520-540nm and a full width at half maximum of 80-90nm. Under the excitation of a high-power blue light LED (350-500mA) or a blue light LD (4W-10W), warm white light to light green light emission is realized, the color temperature is 2800-6500K, and the luminous intensity is attenuated by 5%-10% at 150 DEG C.The prepared ceramic is simple in process and easy for industrial production.

The invention discloses ground inflation guarantee air source equipment for ground blow-turn launching of an unmanned aerial vehicle, and belongs to the technical field of configuration of power devices, the ground inflation guarantee air source equipment comprises a high-pressure air storage system, a blow-turn connection pressure control system, a pipeline and an air source trailer, and the high-pressure air storage system and the blow-turn connection pressure control system are installed in the air source trailer; the high-pressure air storage system is connected with the blow-turn connection pressure control system, the high-pressure air storage system comprises a composite gas cylinder, a gas cylinder valve, a T01 exhaust valve, an L1 filter, a T2 stop valve and an AF1 safety valve, the composite gas cylinder is connected with the gas cylinder valve through a pipeline, the gas cylinder valve is connected with the T01 exhaust valve, the L1 filter and the AF1 safety valve through pipelines, and the filter L1 is connected with the stop valve T2 through the pipeline. The output high-pressure gas drives the rotor of the unmanned aerial vehicle engine to rotate at a high speed, after the unmanned aerial vehicle engine reaches a certain initial speed, the unmanned aerial vehicle engine can secondarily increase the rotating speed through ignition of a small amount of fuel oil, and unmanned aerial vehicle launching is achieved.

The invention discloses a rotary unmanned aerial vehicle launching device, belongs to the technical field of aviation system unmanned aerial vehicle launching, and aims to realize technical innovationon a traditional linear slide rail type unmanned aerial vehicle launching device and obtain the rotary unmanned aerial vehicle launching device based on circular motion by making full use of the characteristic that the circular motion reciprocates circularly and has enough acceleration space. The launching device comprises a rotary launching frame, a launching inclination angle control device, aseparation device and a tackle device. The device has the advantages of being simple in structure, small in occupied space, low in launching cost and the like, can adapt to various launching modes such as unmanned aerial vehicle roadbeds, sea bases and vehicle-mounted mobile launching, and has high device universality.

The invention belongs to the fields of fluorescent materials, phosphorescent materials and illumination, and particularly relates to color-temperature-adjustable fluorescent and phosphorescent four-mode white light emitting carbon dots as well as a preparation method and application thereof. The carbon dots have C-C bonds, C = C bonds, C-O bonds, C-N bonds, C-P bonds, N-H bonds, P = O bonds and P-O bonds, and the average particle size distribution is 1.0-4.5 nm; when excited by ultraviolet light, the fluorescent probe generates double fluorescence emission peaks and double phosphorescence emission peaks; the wavelengths of the double fluorescence emission peaks are 420 to 440 nm and 465 to 520 nm respectively, and the wavelengths of the double phosphorescence emission peaks are 545 to 550 nm and 525 to 610 nm respectively. The preparation method comprises the steps that a carbon source precursor is subjected to a hydrothermal reaction to obtain the carbon dots, and the carbon source precursor comprises 1, 3-propane diamine and 1-hydroxyethylidene-1, 1-diphosphonic acid. The color-temperature-adjustable fluorescent and phosphorescent four-mode emission white light carbon dot provided by the invention can realize color-temperature-adjustable white light emission, and is more suitable for the field of illumination.

The invention relates to the technical field of geophysical exploration and development, in particular to an optimization system and method for a cross-well electromagnetic remote detection transceiving antenna. The system comprises a transmitting antenna circuit and a receiving antenna circuit. The transmitting antenna circuit comprises a transmitting coil L1, and the transmitting coil L1 is connected in series with a first tunable capacitor array through a first multiplexer switch S1; the receiving antenna circuit comprises a receiving coil L2, and the receiving coil L2 is connected in parallel with a second tunable capacitor array through a second multiplexer switch S2. According to the invention, the inter-well detection distance can be effectively increased, and the inter-well long-distance exploration and development capability is improved.

The invention relates to the field of LEDs, in particular to a white fluorescent powder for LEDs and a preparation method thereof. A white light fluorescent powder for LED, the chemical molecular formula of the fluorescent powder is C44H34N4O12MnEu. The synthesis method of the white light phosphor of the present invention is simple, and the structure of the obtained white light phosphor is stable; the white light phosphor of the present invention adopts a simple solvothermal synthesis method, and compared with the preparation method of the existing white light phosphor, this method does not require high temperature Roasting, high yield and good repeatability; when the white light phosphor of the present invention is excited by light with a wavelength of 350nm, it can emit light in the bands of 430nm, 500nm, 580nm, and 620nm, and these four bands are superimposed to realize in a single matrix white light emission.

The invention provides a safe blood taking needle. The safe blood taking needle comprises a syringe body, an emitting spring, an emitting sleeve and a connecting ring; the emitting sleeve is arranged in the syringe body and can move from a first position to a second position in the direction from front to back; and at the first position, the front end of the emitting sleeve extends out of the front end of the syringe body, the rear end of a protruding strip is jointed in a tooth groove, and the connecting ring stops a core needle from moving forwards, when the emitting sleeve is moved from the first position to the second position, a pushing part drives the connecting ring to move backwards through the pushing teeth, the protruding strip is separated from the tooth groove, the teeth slide relative to the pushing part under pressing of the emitting spring so that the connecting ring can rotate, and therefore the connecting ring releases the core needle, and the core needle is emitted forwards under pushing of the emitting spring. According to the safe blood taking needle, the core needle in the syringe body is ingeniously emitted through the syringe body, the emitting spring, the emitting sleeve and the connecting ring which interact with one another, and the safe blood taking needle is easy to operate, reasonable in structure and reliable in performance.

The invention belongs to the technical field of communication. The invention discloses a novel emergency communication repeater communication method and system. The novel emergency communication repeater system comprises an image acquisition module, an image analysis module, a to-be-covered area determination module, a central control module, a signal receiving module, a noise reduction module, apower measurement module, a power amplification module, a filtering module, an antenna adjustment module and a signal emission module. A receiving antenna and a transmitting antenna are used for receiving and transmitting signals respectively, and the signals are subjected to noise reduction, amplification, filtering and the like before being transmitted, so that the signal strength can be enhanced, the communication quality is improved, and the communication problem of remote / disaster / imperfect construction areas is solved; the antenna angle is adjusted through the antenna adjusting module, so that the antenna can receive a signal and transmit a target area; the system is simple in structure, signal receiving and transmitting can be achieved, and reference is provided for construction ofemergency communication repeaters.