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140results about How to "Guaranteed efficient" patented technology

Joint cloud computing environment value exchange-oriented cross-chain communication method

ActiveCN108009811AAvoid the problem of poor traceabilityAvoid problems with high exposure risksTransmissionPayment schemes/modelsCommunications systemTransaction data
The invention discloses a joint cloud computing environment value exchange-oriented cross-chain communication method, and aims to ensure the security, reliability and high efficiency of a value exchange process. According to the technical scheme, a cross-chain communication system consisting of a cross-chain communication module, a node management module, a verification module and an accounting module is installed in each user node on each block chain; a midchain is established; a route node is selected from the midchain; value transfer and communication between chains are finished by the route node; the cross-chain communication module of a sender constructs a fund pool for the sender, a receiver and the route node, and performs fund transfer according to a fund transfer scheme; the verification module of the receiver verifies the effectiveness and availability of funds of the sender by adopting a smart contract; the accounting module of the receiver broadcasts a transaction result; and the sender, the receiver and the MidChain generate new blocks for storing transaction data. By adopting the method, the security, reliability and high efficiency of the value exchange process can be ensured; and seamless cross-chain communication between the chains is realized.
Owner:NAT UNIV OF DEFENSE TECH +1

DSP (Digital Signal Processor)-based quad-rotor unmanned aerial vehicle autonomous hover control system and method

The invention discloses a DSP (Digital Signal Processor)-based quad-rotor unmanned aerial vehicle autonomous hover control system and method. The control system is provided with four screw propellers and control units which are arranged on four airfoils respectively; and each control unit is that a master control unit is connected to a ground computer through a wireless network, and a receiver is connected with a signal conversion module and a manual / automatic switching chip in sequence, transmits a received signal transmitted by a remote controller into the manual / automatic switching chip through the signal conversion module, is also connected with the manual / automatic switching chip through the master control unit and is used for transmitting the received signal to the manual / automatic switching chip through the master control unit for controlling driving units to drive direct current brushless motors on the four screw propellers to work. According to the method, kalman filtering processing is performed on sonar data to obtain accurate height data and driver control. According to the system and the method, the autonomous flight capacity of a micro quad-rotor unmanned aerial vehicle and the adaptability to the environment can be effectively enhanced, and the autonomous flight control under indoor environments and outdoor environments can be finished.
Owner:TIANJIN UNIV

Train-train communication management method for train operation control

The embodiment of the invention provides a train-train communication management method for train operation control. The train-train communication method comprises the steps that after a train is started, the train sends information of the train to a ground train management unit, and the ground train management unit returns information of all trains in the jurisdiction range of the ground train management unit to the train according information inquiry after receiving the information; the front train is recognized, the relevant trains are determined according to the operating path information of the train and the train information provided by the ground train management unit, communication between the ground train management unit and the relevant trains is initiated, the train exchanges position information with the front train, and the specific position of the front train is determined; and the relation between the train and the front rain is recorded in real time through a train-train communication management module. By adoption of the train-train communication management method, direct communication between the following trains is achieved, safety of key train control information is ensured under all travelling scenes, travelling safety and efficiency are ensured, and the purposes of weakening the functions of ground equipment, decreasing the number of the ground equipment or omitting the ground equipment, optimizing the system structure and reducing safety hazards are achieved.
Owner:BEIJING JIAOTONG UNIV

Length-adjustable yarn bobbin

ActiveCN103662995AIncrease or decrease lengthPrevent off-axis problemsYarnBobbin
The invention relates to the technical field of textile, in particular to a length-adjustable yarn bobbin which comprises a yarn bobbin body. The yarn bobbin yarn is in the shape of a hollow cylinder, an upper retaining plate and a lower retaining plate are arranged at two ends of the yarn bobbin body respectively, the yarn bobbin body is of a structure of three layers including an upper portion, a middle portion and a lower portion from top to bottom, the upper portion comprises the upper retaining plate and an upper bobbin body, the upper retaining plate is fixed at the top end of the upper bobbin body, an internal thread is arranged at the tail end of the side wall of the upper bobbin body, the lower portion comprises the lower retaining plate and a lower bobbin body, the lower retaining plate is fixed at the tail end of the lower bobbin body, an external thread is arranged at the top end of the side wall of the lower bobbin body, the middle portion comprises two through bobbins, the inner diameter of a first through bobbin is equal to the outer diameter of each of the upper bobbin body and the lower bobbin body, an internal thread and an external thread are arranged at two ends of the first through bobbin respectively, and the outer diameter of a second through bobbin is equal to that of each of the upper retaining plate and the lower retaining plate. After adopting the above structure, requirements on diverse and efficient product are met, and normal and efficient running of production is guaranteed.
Owner:郎溪品旭科技发展有限公司

Roadway rapid integrated tunneling system

The invention relates to a roadway rapid integrated tunneling system, and belongs to the technical field of roadway tunneling, anchoring and transportation devices. The roadway rapid integrated tunneling system comprises multiple top plate support devices, a heading machine located below the top plate support devices, an anchor rod operating vehicle located at the rear portion of the heading machine, and a dedusting air supply system arranged along the roadway; a support conveying device used for conveying the anchor rod support area top plate support devices to an empty-support area to support is arranged on the heading machine; the tail portion of the heading machine is provided with a second conveying machine for conveying materials; and the anchor rod operating vehicle spans the secondconveying machine. The roadway rapid integrated tunneling system can realize comprehensive mechanized operation of roadway tunneling, support, anchoring and transportation, solves the problems of lowefficiency, dispersed equipment and high labor intensity of traditional tunneling methods, and can provide a good safe working environment for workers, and the labor intensity is reduced. The roadwayrapid integrated tunneling system can improve the tunneling efficiency and is beneficial to the coal mining, downsizing and increasing efficiency, and creates conditions for the mechanized and intensive production mode for the mine.
Owner:SHIJIAZHUANG COAL MINING MACHINERY

Controller of whole electric automobile

The invention discloses a controller of a whole electric automobile. The controller comprises a single-chip microcomputer, a power supply module, a switch signal acquiring circuit, an analog signal acquiring circuit, a driving circuit, a CAN communication interface circuit and a frequency signal acquiring circuit, wherein the input port of the single-chip microcomputer is connected with output signals of the power supply module, the switch signal acquiring circuit, the analog signal acquiring circuit and the frequency signal acquiring circuit, and the output port of the single-chip microcomputer is connected with input signals of the driving circuit and the CAN communication interface circuit. Through the adoption of the controller disclosed by the invention, the intellectualized regulation and control of regenerative braking systems is realized; two kinds of cooling modes can be controlled to separately or simultaneously work according to the working conditions of the whole electric automobile and a motor; whether an air conditioner can be started or not can be judged according to the request switch of the air conditioner and the running conditions of the whole electric automobile; the controller can be combined with traffic jam signals so as to lower the frequency of the air conditioner when the traffic jam occurs; whether an electric power-assisted steering and electric air compressor needs to be started can be judged according to the running conditions of the whole electric automobile, so that the energy conservation and high efficiency of the whole electric automobile system can be guaranteed, the functions are comprehensive, and the integration level is high.
Owner:DONGFENG COMML VEHICLE CO LTD

Parallel analysis device for laser microcell denudation product component and isotope and method

The invention provides a parallel analysis device for laser microcell denudation product components and isotopes and a method. The device comprises a laser microcell denudation system, a sample feeding system, a temperature control system and an analysis detection system, wherein a product capturing device in the sample feeding system is used for condensing and enriching a gas product discharged from the laser microcell denudation system, and used for releasing the gas product through heating treatment of the temperature control system under appointed conditions; a gas path diversion device inthe analysis detection system is used for diverting a compound separated by using a chromatographic instrument according to a certain ratio, and used for further guiding the diverted compound into amass spectrometer and an isotope instrument respectively; the sample feeding temperature of a sample is controlled by the temperate control system outside the chromatographic instrument. By adopting the scheme of the invention, on-line parallel analysis on components and monomer hydrocarbon isotopes of laser microcell denudation products can be achieved, comprehensiveness and accuracy of experiment data can be ensured, and meanwhile the experiment efficiency can be improved.
Owner:PETROCHINA CO LTD

Vegetable washing and drying system

The invention discloses a vegetable washing and drying system which comprises a washing tank, a rotation transfer shaft and a reticular conveying belt, wherein a middle sloping plate is arranged between the rotation transfer shaft and the reticular conveying belt, a vegetable selecting rod through groove is formed in the middle sloping plate, a water spraying pipe is arranged on a side wall in the washing tank, a perforated plate is mounted at the lower part in the washing tank, a magnetic bar is mounted at the lower part of the perforated plate, a water spraying device is mounted at the upper part of the front segment of the reticular conveying belt, a compressed air blowpipe is mounted at the upper part of the rear segment of the reticular conveying belt, an ultrasonic wave generator is mounted at the bottom of the washing tank, an ozone generator is mounted at the bottom of the washing tank, the upper part of the rotation transfer shaft is covered with an arc-shaped ultraviolet disinfection lampshade, an ultraviolet disinfection lamp is mounted in the arc-shaped ultraviolet disinfection lampshade, and a chloride solution is placed in the washing tank. The vegetable washing and drying system disclosed by the invention has the advantages that the structure is simple, the use is convenient, water insoluble impurities such as scrap iron in vegetables can be effectively removed, the washing efficiency is high, the disinfection effect is obvious, the fresh preservation time is long, water is saved, and the drying time is shortened.
Owner:苍溪县峻绿食品有限公司

Flue gas cleaner with integration of desulfurization, denitrification, mercury removal and dust removal

ActiveCN105056678AReduce resistanceSolve the blower with water and serious blockageCombination devicesFlue gasPrecipitation
The invention relates to a flue gas cleaner with integration of desulfurization, denitrification, mercury removal and dust removal. The flue gas cleaner comprises an integrated cleaning tower arranged on a base, a spiral flue duct, a dry absorbing and cleaning agent applying device and a wet absorbing and cleaning agent applying device, wherein an automatic slag remover, a flocculation and precipitation cleaning working zone, an inner precipitation circulating zone and an outer precipitation circulating zone are arranged in the base; an inner wall cleaning fluid collecting water channel is formed between the inner precipitation circulating zone and the outer precipitation circulating zone; the outer precipitation circulating zone is divided to form winding paths by a transverse partition board; the integrated cleaning tower is divided into a demisting and dewatering cleaning working zone, an absorption cleaning working zone and an oxidation cleaning working zone by a gas-water separator; an annular sprayer, a backwash cylindrical sprayer and a demisting filter screen are arranged in the demisting and dewatering cleaning working zone respectively; a main cylindrical sprayer is arranged in the absorption cleaning working zone; a cylindrical oxidation cleaning agent sprayer is arranged in the oxidation cleaning working zone; a flue gas outlet and a spray circulating system are arranged at the top of the integrated cleaning tower respectively. The flue gas cleaner has significant cleaning effect.
Owner:孙立刚

Separation method for high-water-content crude oil

The invention discloses a separation method for high-water-content crude oil and relates to the field of petroleum refining and chemical engineering. The method comprises the following steps: (1) enabling a mixed solution of oil, gas and water to enter a gas-liquid separating tank through a charging pipe, and carrying out gas-liquid separation; (2) further removing micro liquid droplets entrained in a gas phase from gas, separated in the step (1), by a mist catching device, and then discharging the gas from the device; (3) enabling a liquid phase, separated in the step (1), to enter an oil-water separator for oil-water separation; and (4) enabling dehydrated crude oil to pass through an upper-part oil collecting pipe of an oil-water separation tank body in a rising manner, and discharging the crude oil from the device; and further deoiling separated water through oil sorbent bars of a water phase region, and then, discharging the water from the device. By adopting the method, oil-gas-and-water three-phase mixed solutions of any ratio can be treated, the operating flexibility is high, and the efficiency of gas-liquid separation and oil-water separation is high; due to the combined action of electrostatic field and highfield, an efficient dehydration effect can be guaranteed; and the oil sorbent bars can be used for efficiently lowering the oil content of drainage water.
Owner:LUOYANG PETROCHEMICAL ENG CORP SINOPEC +1

Biomass rapid pyrolysis device

The invention discloses a biomass rapid pyrolysis device. The biomass rapid pyrolysis device comprises a smashing chamber, a pyrolysis chamber and a machine case; the smashing chamber is fixed at the upper end of the machine case; a feeding box is fixed at the upper end of the smashing chamber; a smashing roller is arranged in the middle of the internal part of the smashing chamber; driving shafts are fixed at the two ends of the smashing roller; the driving shafts are connected with the smashing chamber through fixed rods; a telescopic door is fixed at the lower end of the internal part of the smashing chamber; the pyrolysis chamber is arranged at the upper end of the internal part of the machine case, and the pyrolysis chamber is arranged at the lower end of the smashing chamber; a heating rod is fixed at one end of the internal part of the pyrolysis chamber, and an HSM temperature sensor is fixed at the other end of the internal part of the pyrolysis chamber; a gas storage tank is arranged on one side of the pyrolysis chamber. A mode for performing separated preservation on products is adopted, the pyrolysis chamber, the gas storage tank and a liquid storage pool are arranged, and solid, gas and liquid products generated by biomass rapid pyrolysis can be subjected to separated preservation, so that the purity of the products is guaranteed and convenience is provided for the subsequent work.
Owner:王利华

Underground coal mine video monitoring system capable of automatically charging and cleaning a mirror surface and application thereof

The invention discloses an underground coal mine video monitoring system capable of automatically charging and cleaning a mirror surface and application thereof, and the underground coal mine video monitoring system comprises a protection device, a lighting device, a cleaning device, a lifting device, a control device, an air blowing device, a grabbing device and an energy device. Intelligent operation of the video monitoring system is realized by using the control device, the protection device can achieve overall corrosion prevention and explosion prevention, the camera body part is internally arranged, the lighting device can be automatically turned on and turned off to ensure that video monitoring pictures are clear and bright, and an atomizer and a scraping brush in the cleaning device are used for cleaning a lens to avoid excessive dust influences. The lifting device achieves up-down movement and 360-degree rotation of dynamic video monitoring under the action of the control device, an air blower in the air blowing device conducts dust removal and blow-drying on a lens through an explosion-proof hose under the action of the control device, and the grabbing device achieves replacement of a rechargeable battery through a flying mechanical arm. A charging base station in the energy device is used for storing a standby rechargeable battery so as to ensure long-term stable operation of the video monitoring system.
Owner:SHANDONG UNIV OF SCI & TECH
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