20 results about "Plasma cloud" patented technology

The invention relates to an unmanned aerial vehicle detection countering method, which comprises the following steps of: deploying a multi-dimensional sensing network to carry out full-band instantaneous scanning, synchronously acquiring noise characteristics of radio signals, material characteristics of a terahertz wave band and Doppler effect characteristics, mapping to a virtual twinborn body, reconstructing physical parameters, a communication protocol and a behavior mode of a target unmanned aerial vehicle, performing depth comparison by combining a disguise sample library generated by the antagonism generation network, and generating a holographic target file containing a three-dimensional motion vector, an energy feature and a potential threat intention; a target quantum encryption communication link is interfered through a quantum entanglement signal, a controllable plasma cloud cluster is generated, navigation and image transmission signals of the controllable plasma cloud cluster are selectively attenuated, the controllability of the target is judged, and an uncontrollable target is repelled through coded sound waves; and sending a control instruction containing a biological heuristic obstacle avoidance algorithm in stages, and guiding the control instruction to an intelligent recovery cabin. According to the invention, accurate detection, intelligent identification, safe countering and reliable takeover of the unmanned aerial vehicle are realized, and the airspace safety guarantee capability is improved.

The invention belongs to the technical field of medical treatment, and discloses a blood product virus inactivation system based on a synergistic effect of nano-catalysis photochemical inactivation and low-temperature plasma, the system comprises: a nano-photocatalysis inactivation module adopting titanium dioxide TiO2 and graphite phase carbon nitride g-C3N4 nano-materials as photocatalysts; the low-temperature plasma inactivation module adopts a low-temperature plasma generator to generate plasma cloud above the blood product and release active particles; the dynamic fluid stirring module is used for enabling the blood product to uniformly receive photocatalysis and plasma inactivation effects through a microfluid mixing technology so as to ensure the uniformity of virus inactivation; the sensing monitoring and intelligent feedback module is used for monitoring the residual quantity of viral nucleic acid and the activity of protein in the blood in real time by adopting a spectrum sensor and a biochemical sensor. The method can be widely applied to the fields of clinical blood transfusion, blood product manufacturing, blood disease treatment and the like, promotes the progress of a blood safety guarantee technology, reduces the virus infection risk and improves the patient safety.

The utility model belongs to the technical field of laser processing, and particularly relates to a throttling blowing device for a laser processing head and the laser processing head. The throttling blowing device of the laser processing head comprises an auxiliary gas flow channel and an optical gas flow channel which are arranged independently. Wherein the auxiliary gas flow channel is used for conveying auxiliary gas flow; the optical gas flow channel is used for transmitting laser and main gas flow; the main airflow and the auxiliary airflow can be configured to be protective airflow of the same type or different types so as to jointly act on different positions in front of or / and behind the light spot acting position on the weld joint, an anti-oxidation protective layer is formed in a specific area of the machining face (the to-be-machined area), and anti-oxidation isolation is conducted on the inner temperature area and the outer temperature area of a molten pool. The effect of isolating plasma clouds and air is ensured, and meanwhile, the gas flow consumption of the protective gas is saved to the maximum extent.

This invention relates to a method for detecting and countering unmanned aerial vehicles (UAVs). It deploys a multi-dimensional sensing network for instantaneous scanning across the entire frequency band, simultaneously acquiring noise characteristics of radio signals, material characteristics in the terahertz band, and Doppler effect characteristics. These are mapped to a virtual twin to reconstruct the physical parameters, communication protocols, and behavioral patterns of the target UAV. A deep comparison is then performed using a camouflage sample library generated by an adversarial generative network to generate a holographic target profile containing three-dimensional motion vectors, energy characteristics, and potential threat intent. Quantum entanglement signals are used to interfere with the target's quantum-encrypted communication link, generating a controllable plasma cloud to selectively attenuate its navigation and image transmission signals. The controllability of the target is assessed, and uncontrollable targets are driven away using coded acoustic waves. Control commands incorporating bio-inspired obstacle avoidance algorithms are sent in stages to guide the UAV to an intelligent recovery pod. This invention achieves accurate detection, intelligent identification, secure countermeasures, and reliable takeover of UAVs, enhancing airspace security capabilities.

The invention discloses a disinfection device for chitosan hemostatic sponge production and a disinfection method thereof, and relates to the technical field of hemostatic sponge disinfection. The disinfection device for chitosan hemostatic sponge production comprises a disinfection shell, a driving clamping mechanism is installed in the disinfection shell, a plasma disinfection mechanism is installed on one side of the disinfection shell, and a flow guide mechanism is installed on one side of the plasma disinfection mechanism. And the plasma disinfection mechanism comprises a plasma generation box arranged on one side of the disinfection shell. The low-temperature plasma cloud is obtained through the electrode array, the collision time of high-energy particles and carrier gas molecules is prolonged through the arrangement of the spiral tube, the energy attenuation effect is enhanced, meanwhile, short-wave UV is absorbed or scattered by the carrier gas molecules when penetrating through a gas medium, damage of the high-energy particles and the short-wave UV to the chitosan hemostatic sponge is reduced, and the hemostatic effect of the chitosan hemostatic sponge is improved. Therefore, the disinfection effect of the chitosan hemostatic sponge is improved.

A disinfection system for generating direct plasma at sub-atmospheric pressure to treat an inner surface of a channel of a surgical instrument and a method thereof. The method provides: inserting the surgical instrument into an airsealable housing; positioning an elongate discharge electrode within the channel such that the elongate discharge electrode coaxially spans at least a majority of the length of the channel to define an annular ignition region within the channel; electrically coupling a collector with a conductive boundary sleeve of the surgical instrument; the air-sealable shell is airtight; reducing the pressure of the annular ignition region containing ambient air to sub-atmospheric pressure; and electrically igniting the ambient air of the annular ignition region of the channel by applying a potential difference to produce a longitudinal plasma cloud for sufficient disinfection.

The application discloses a kind of laser welding devices for gas cylinder, belong to high-pressure gas cylinder welding technical field, solve the technical problem of unstable welding quality of the existing gas cylinder welding method.Laser welding device, including laser welding mechanism, plasma cloud removal mechanism and exhaust mechanism, and the weld of laser welding mechanism is welded gas cylinder;The air outlet of plasma cloud removal mechanism is towards weld;Exhaust mechanism is communicated with the gas outlet of gas cylinder.Laser welding method for gas cylinder, comprising the following steps: providing the laser welding device for gas cylinder;Using laser welding mechanism to weld the weld of gas cylinder;Obtain the real-time gas pressure value in the gas cylinder during welding;According to the obtained real-time gas pressure value, make exhaust mechanism match corresponding exhaust rate.The present application can improve the welding quality stability during welding gas cylinder, improve welding quality, and then improve welding effect.

Provided are methods of immunizing a viewport of a medical device against fogging before or during a medical procedure, and related apparatuses and devices. The methods comprise applying plasma to the viewport prior to use, thereby rendering a surface of the viewport highly hydrophilic. The methods eliminate or at least significantly reduce blur due to fogging.

The invention discloses a special-shaped LED display screen image display control method and system, and relates to the technical field of display control, and the method comprises the steps: obtaining the image data of a special-shaped LED display screen, and analyzing the RGB chromatic value of the image data; converting the RGB chromatic value into a quantum dot energy level regulation and control parameter, and calculating a control signal of quantum dot energy level transition; driving the quantum dot coating to perform directional electron transition to generate an electron distribution state; calculating an optical compensation parameter based on the electron distribution state, and modulating the ionization inert gas of the special-shaped LED display screen by using the ionization path matrix to form a plasma cloud; the electron distribution state and the plasma cloud are integrated into a fusion optical signal, the optical path difference of the special-shaped LED display screen is dynamically corrected through the optical field interference processor, and a zero-distortion image of the fusion optical signal is displayed on the special-shaped LED display screen. By means of the photoelectric fusion regulation and control technology, high-precision zero-distortion image display of the special-shaped LED display screen is achieved.

A disinfection system and methods thereof for generating direct plasma at sub-atmospheric pressure to treat an inner surface of a channel of a surgical device. The method provides for inserting the surgical device into a gas-sealable enclosure; positioning an elongate discharge electrode within the channel such that the elongate discharge electrode coaxially spans at least a lengthwise majority of the channel to define an annular ignition-region within the channel; electrically coupling a collecting electrode with the conductive circumscribing sleeve of the surgical device; gas-sealing the gas-sealable enclosure; reducing a pressure of the annular ignition-region containing ambient air to a sub-atmospheric pressure; and. electrically igniting the ambient air of the annular ignition-region of the channel by applying an electrical potential difference to produce a longitudinal plasma cloud sufficient to disinfect.

This utility model discloses a core-electrode type low-temperature plasma cloud purification element, relating to the field of air purification technology. It includes an inner electrode, an outer electrode, a dielectric layer, and a high-voltage power supply. The inner and outer electrodes are coaxially arranged, with the dielectric layer located between them. The inner electrode is made of stainless steel wire and serves as the high-voltage electrode. The outer electrode is a thin-walled aluminum alloy electrode and serves as the grounding electrode, and it has a gas flow channel. The high-voltage power supply is an AC power supply, electrically connected to the inner electrode. This utility model, through its single-element structure, achieves a uniform electric field and long lifespan: the coaxial arrangement of the inner and outer electrodes, combined with the air dielectric layer, makes the electric field distribution more uniform, avoiding electrode damage caused by excessive local discharge; the dielectric layer isolates the electrodes from direct contact, further extending the element's lifespan; and ozone concentration is controllable: the dielectric barrier discharge precisely controls electron energy, suppressing ozone generation.

The utility model discloses a target material spectrum measuring device based on fs-ns DP-LIBS, which comprises an fs laser, an ns laser, a light path adjusting device, a spectroscope, a lens I and a scattered spectrum collecting device, and laser emitted by the fs laser sequentially passes through the spectroscope and the lens I and then bombards a target material to generate plasma cloud. Laser emitted by the ns laser sequentially passes through the light path adjusting device, the spectroscope and the lens I and then bombards the plasma cloud, the light path adjusting device can enable laser emitted by the ns laser and laser emitted by the fs laser to generate light path difference, and the spectroscope can enable the laser emitted by the ns laser and the laser emitted by the fs laser to be coaxial and then enter the lens I; the scattered spectrum collecting device is used for collecting and analyzing scattered light generated after the laser emitted by the ns laser bombards the plasma cloud. According to the utility model, the fs laser pulse firstly reaches the surface of the target material to generate the plasma cloud, and then the ns laser pulse bombards the plasma cloud, so that the signal-to-noise ratio is remarkably improved, and the lower limit of detection is improved.

The invention relates to a fan impeller welding system and a fan impeller welding process in the technical field of welding, a laser generator, an electric arc generator and an alternating electromagnetic field generator are all set to be in a pulse output mode, and laser pulses, electric arc pulses and alternating electromagnetic field pulses which are output in a discontinuous pulse mode are obtained; the periods and starting points of the laser pulse and the alternating electromagnetic field pulse are cooperated, so that each laser pulse period is matched with one electromagnetic field pulse period while arriving; setting the starting point of the arc pulse period to be matched with the starting point of the alternating electromagnetic field pulse period in a staggered manner; each pulse period is completed once as a cycle, and the starting point of each cycle is actively excited by a central control command signal. The alternating electromagnetic field pulse period and the electric arc pulse period are arranged in a staggered mode to avoid resonance, the laser pulse period and the alternating electromagnetic field pulse period are cooperated to improve the scattering effect of the plasma cloud cluster, and the yield and the quality upper limit are improved by actively controlling parameter reset blocking deviation accumulation of each pulse.

Provided are methods of immunizing a viewport of a medical device against fogging before or during a medical procedure, and related apparatuses and devices. The methods comprise applying plasma to the viewport prior to use, thereby rendering a surface of the viewport highly hydrophilic. The methods eliminate or at least significantly reduce blur due to fogging.

A disinfection system and methods thereof for generating direct plasma at sub-atmospheric pressure to treat an inner surface of a channel of a surgical device. The method provides for inserting the surgical device into a gas-sealable enclosure; positioning an elongate discharge electrode within the channel such that the elongate discharge electrode coaxially spans at least a lengthwise majority of the channel to define an annular ignition-region within the channel; electrically coupling a collecting electrode with the conductive circumscribing sleeve of the surgical device; gas-sealing the gas-sealable enclosure; reducing a pressure of the annular ignition-region containing ambient air to a sub-atmospheric pressure; and. electrically igniting the ambient air of the annular ignition-region of the channel by applying an electrical potential difference to produce a longitudinal plasma cloud sufficient to disinfect.

The invention discloses welding equipment for palletizing robot manufacturing, and relates to the technical field of welding, the welding equipment comprises a fixing mechanism, the fixing mechanism comprises a welding cabinet body, the upper end of an inner cavity of the welding cabinet body is provided with a welding cavity, the lower end of the inner cavity of the welding cabinet body is provided with a mounting cavity, and the top of the inner cavity of the mounting cavity is fixedly connected with a first motor; one end of a rotating shaft of the first motor is fixedly connected with a rotating disc; and the welding environment improving mechanism comprises an inert gas cylinder. A laser welding piece and an electric arc welding piece are integrated through the laser-electric arc hybrid welding mechanism, when the surface of a workpiece is irradiated through a laser beam with laser energy and high energy density, surrounding gas can be instantly ionized, a laser plasma cloud is formed, and the plasma cloud contains a large number of free electrons and ions and becomes a high-conductivity conductive channel; a low-impedance path is provided for ignition and stabilization of the electric arc, the electric arc is guided and gathered, and electric arc energy is guided to be accurately gathered.

A conductive liquid-fed pulsed plasma thruster includes a first electrode having a conductive solid portion and a conductive liquid portion, a second electrode separated from the first electrode to define an ignition space therebetween, at least one electric insulator separating the first and second electrodes, and a conductive-liquid passage extending within the conductive solid portion through which the conductive liquid portion flows from an inlet to an outlet located at the ignition space. The first and second electrodes are configured so that a drop of the conductive liquid portion forms and grows at the outlet when the conductive liquid portion flows through the conductive liquid passage until the drop of the conductive liquid causes an arc discharge between the drop and the second electrode that ignites the drop to produce a plasma cloud that generates thrust when exhausted.

The application discloses a kind of special-shaped LED display screen image display control method and system, it is related to display control technical field, including, the image data of special-shaped LED display screen is acquired, and the RGB chrominance of image data is parsed;RGB chrominance is converted into quantum dot energy level regulation and control parameter, and the control signal of quantum dot energy level transition is calculated;Drive quantum dot coating to carry out directional electron transition, generate electron distribution state;Based on electron distribution state calculation optical compensation parameter, utilize ionization path matrix modulation special-shaped LED display screen ionization inert gas, form plasma cloud;The electron distribution state and plasma cloud are integrated into fusion light signal, the optical path difference of special-shaped LED display screen is dynamically corrected by light field interference processor, and the zero-distortion image of fusion light signal is displayed in special-shaped LED display screen.The application realizes special-shaped LED display screen high-precision zero-distortion image display by photoelectric fusion regulation and control technology.

The invention relates to a method for calculating the electron density of plasma cloud blocks of an ionized layer in the arctic region. The method comprises the following steps: step 1, determining calculation time and parameters of the plasma cloud blocks; step 2, acquiring solar activity data and geomagnetic activity indexes; 3, calculating background ionized layer electron density distribution when the ionized layer plasma cloud block structure is not considered; and step 4, determining an ionized layer plasma cloud block distribution area. According to the method provided by the invention, the influence of solar geomagnetic activity on the plasma cloud block of the ionized layer is fully considered, the spatial-temporal change rule of the structure is obtained according to early-stage data statistical analysis, the defect of an existing ionized layer model in plasma cloud block description is overcome, and an electron density distribution model considering the plasma cloud block is constructed; the precision of the ionosphere model is improved, the performance of a communication and navigation system is optimized, and the application effect of the ionosphere model in related fields is improved.