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189results about How to "Realize precise control" patented technology
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Indoor and outdoor integrated high-precision positioning and navigation system as well as positioning method thereof
ActiveCN105526934AAvoid positioning deviationRealize precise controlNavigational calculation instrumentsSatellite radio beaconingUltra-widebandBroadband
The invention relates to the technical field of wireless communication networks, in particular to an indoor and outdoor integrated high-precision positioning and navigation system as well as a positioning method thereof. The system comprises a map data construction unit, an indoor ultra-wideband positioning and navigation unit, an outdoor BD / GPS positioning and navigation unit, an indoor and outdoor positioning data fusion unit, a central server unit and a terminal display unit, wherein the indoor ultra-wideband positioning and navigation unit is used for performing indoor space positioning in a ranging mode, the outdoor BD / GPS positioning and navigation unit is used for performing outdoor space positioning through a Beidou satellite navigation / GPS satellite navigation system, the indoor and outdoor positioning data fusion unit is used for judging whether a positioning label is indoor or outdoor and can intelligently switch positioning modes according to the judgment result and fuse indoor and outdoor positioning manners. Problems that positioning and navigation of personnel and objects in a large-range area are difficult to realize, not high in precision and the like at present are solved, and large signal interference and positioning deviation caused by mutual interference among signals can be avoided in the ranging mode.
Owner:ZHENGZHOU LOCARIS ELECTRONICS TECH CO LTD
Separated steering device for vehicular four wheels and its control method
The invention relates to domain of special purpose vehicle and especially to a separate four-wheel steering device of vehicle and controlling means, which is mainly used in steering system of special purpose vehicle to guarantee steering behavior. The device comprises steering knuckle arm, steering hydraulic cylinder, electro-hydraulic proportional control valves, and accumulator, easing valve, hydraulic pump, clarifier and electronic control system. The invention is characterized in that every wheel is controlled by independent oil-hydraulic cylinder, electronic control system comprises steering emulator, signal processor and measuring apparatus of displacement line and hydraulic pump driven by engine in steering hydraulic system controls hydraulic cylinder of steering system via electro-hydraulic proportional control valves of steering system. Hydraulic cylinder connects with linear movement pickup to feed variable of displacement line of hydraulic cylinder back to CPU. System adopts closed-loop control. Control circuit equips system failure diagnosis element to realize alarm when system steering error occurs and steering mode switching control unit to complete steering mode switching of vehicle.
Owner:JIANGSU UNIV
Automatic detection method and device for connection wire of electrical experimental facility
ActiveCN103680274ASimple structureLow costEducational modelsElectrical resistance and conductanceAlarm message
The invention discloses an automatic detection method and an automatic detection device for a connection wire of an electrical experimental facility. The automatic detection device for the connection wire of the electrical experimental facility comprises a (Micro Processing Unit) MCU, an 8155 chip, 24 relays, 24 free-wheeling diodes, 24 triodes, 48 connection terminals, 24 current-limiting resistors, 24 pull-up resistors, a communication module, an alarming module and a keyboard module. The automatic detection device for the connection wire of the electrical experimental facility adopts the triodes to drive the relays, so that the circuit is simple in structure, the elements are less, the cost is low, the connection status among the terminals of the experimental facility can be automatically detected, the elements are protected effectively, and the reliability is high; the intelligent detection device is adopted, so that the workload of experiment advisors can be effectively reduced; once the detection device emits alarm information, students can find problems by themselves, so that the problem-solving ability of the students is effectively improved, and the quality of teaching is ensured. The automatic detection method and the automatic detection device for the connection wire of the electrical experimental facility are applicable to all electrical experimental facilities for teaching.
Owner:江阴智产汇知识产权运营有限公司
Directly operated and pilot operated hybrid multi-connection solenoid valve
ActiveCN101672383ARealize precise controlDiaphragm valvesOperating means/releasing devices for valvesSolenoid valveEngineering
The invention discloses a directly operated and pilot operated hybrid multi-connection solenoid valve. At least one pilot operated valve is arranged on the valve body; the pilot operated valve is provided with a main valve seat A; the main valve seat A is provided with a valve gate A consisting of a membrane plate A and a membrane A; the upper part of the membrane plate A is provided with a guidehole and the periphery of the membrane plate A is provided with side holes; a conduit A is arranged in a backpressure chamber A of the valve body; a piston A is arranged in the conduit; the lower endof the conduit A is fastened to the periphery of the membrane A; and an electromagnetic coil A is arranged on the periphery of the conduit A. At least one directly operated valve is arranged on the valve body, and is provided with a main valve seat B; the main valve seat B is provided with a valve gate B consisting of a membrane plate B and a membrane B; the membrane B is provided with a special hole; the middle of the membrane plate B is provided with a guide hole; a conduit B is arranged in a backpressure chamber B of the valve body; a piston B is arranged in the conduit; a protrusion structure contacted with the lower end of the conduit B is arranged on the membrane plate B; the valve gate B is positioned on the main valve seat B; and the valve gate B corresponding to the main valve seat B is closed. The directly operated and pilot operated hybrid multi-connection solenoid valve is applied to an electromagnetic water feeding valve of an electric washing machine.
Owner:合肥神林电子有限公司
Fully-electric ultra-high speed injection molding PVT (Pressure Volume Temperature) online measurement and control method
The invention discloses a fully-electric ultra-high speed injection molding PVT (Pressure Volume Temperature) online measurement and control method. By using a melt metered through plasticization in a cylinder as an object, a thermodynamic state (P0, T0, V0) of a highly-compressed melt before injection as a control starting point and the thermodynamic state (P1, T1, V1) of the melt in the cylinder after injection molding as a control ending point, through online detection of a PVT relation characteristic of a polymer in an ultra-high speed injection molding process, by depending on a high-pressure control system and a high-response executing mechanism of a fully-electric ultra-high speed injection molding machine and using the PVT relation characteristic of the ultra-high speed injection molded polymer as the guidance, precision control of ultra-high speed injection molding is realized. The fully-electric ultra-high speed injection molding PVT online measurement and control method has the advantages of high control precision and high cost performance.
Owner:BEIJING UNIV OF CHEM TECH
Multi-temperature-region ice-temperature fresh keeping storehouse and fresh keeping method for bergamot pears
ActiveCN106472659AQuality impactGuaranteed qualityLighting and heating apparatusStationary refrigeration devicesPEAREngineering
Owner:SOUTH CHINA UNIV OF TECH
Rotary type polluted soil thermal desorption experiment device and experiment method
ActiveCN104324936ARealize precise controlRotary drum furnacesContaminated soil reclamationCombustorEngineering
The invention relates to a rotary type polluted soil thermal desorption experiment device and an experiment method. The rotary type polluted soil thermal desorption experiment device comprises a rotary kiln used for performing high-temperature thermal desorption on polluted soil, a feeding device and a gas processing device, wherein an inclination angle is formed between a rotary center line of the rotary kiln and a horizontal plane; a combustor is arranged at a discharging end of the rotary kiln, a gas collecting chamber communicated with the feeding hole is arranged at the feeding end of the rotary kiln; the feeding device comprises a feeding machine and a feeding guide pipe; the gas processing device comprises an induced draft fan, a gas filtering device, a gas cooling device, a gas sampling hole and a flow meter. The rotary type polluted soil thermal desorption experiment device has the beneficial effects that a thermal desorption experiment device which is used in a laboratory, and can continuously run and perform a sectional high-temperature treatment is adopted for analyzing various kinds of polluted soil containing organic matters and heavy metals, and can obtain thermal adsorption parameters of different kinds of polluted soil, thus all-dimensional control and parameter optimization of precision control and continuous running of a polluted soil thermal desorption remediation process are realized.
Owner:BEIJING BUILDING MATERIALS ACADEMY OF SCI RES +1
Air conditioner control method, device, readable memory medium and air conditioner
ActiveCN108413580ACoordinated operation effectOperation effectMechanical apparatusLighting and heating apparatusInlet valveControl mode
The invention provides an air conditioner control method which is applied to an air conditioner. The air conditioner is provided with a fresh air inlet valve and an inner cyclic air inlet valve. The method comprises the following steps: acquiring temperature values and humidity values indoors and outdoors; confirming the current control mode of the air conditioner; and controlling the opening of the fresh air inlet valve and the inner cyclic air inlet valve according to the temperature values and humidity values indoors and outdoors and the current control mode of the air conditioner. The invention also provides an air conditioner control device and a readable memory medium and the air conditioner. The air conditioner control method solves the problem that the fresh air updating effect conflicts to the operating effect of the current control mode of the air conditioner when the fresh air is introduced, achieves precise control of fresh air introduction, and enhances the use experienceof a user.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD
Precise thermal control mechanism of focal plane detector
InactiveCN102681568ATo achieve different working temperature requirementsFulfill heating needsTemperatue controlTemperature controlPhotovoltaic detectors
The invention relates to a precise thermal control mechanism of a focal plane detector, and the precise thermal control mechanism comprises a vacuum box body, a refrigerating assembly, a cold screen assembly, a heating assembly and a temperature collecting unit, and the precise thermal control mechanism also comprises a heat insulating layer which is arranged at the outer side of the vacuum box body and the outer side of the heating assembly, the refrigerating assembly comprises a refrigerator substrate, at least one detector refrigerator, at least one cold screen refrigerator, a heat tube assembly and a heat radiation plate. Due to the adoption of the precise thermal control mechanism, the technical problems that the quick variation of the temperature under the same working mode is difficult to realize because the temperature control of the traditional photoelectric detector thermal control mechanism mainly depends on the passive heat radiation way can be solved, a way combining the initiative refrigeration and the initiative heating is adopted, by the reasonable design of a thermal control system structure, not only is the quick variation of the temperature of the detector realized to meet the temperature requirement under different working modes, but also the temperature range can be precisely controlled, and the working reliability of the system is high.
Owner:XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
Sand supply amount control system for post-mixing type high-pressure jet cleaning, and method thereof
ActiveCN103419139AControl spray effectEliminate concentrationAbrasive feedersAbrasive machine appurtenancesGranularityControl system
The invention relates to a sand supply amount control system for post-mixing type high-pressure jet cleaning, and a method thereof. The system comprises: a jetting device; a supplied sand stirring barrel connected with the pipeline of the jetting device, wherein a slurry containing hard abrasive particles and an aqueous medium is arranged in the supplied sand stirring barrel, and the pipeline of the supplied sand stirring barrel is connected with a standby sand box for supplying the hard abrasive particles to the supplied sand stirring barrel; a control device in communication connection with the standby sand box and a weight measuring device arranged at the bottom of the supplied sand stirring barrel respectively; a granularity screening device, a sand-water separation device, a water filtering device and a supercharging device which are connected with the pipeline of the supplied sand stirring barrel, wherein the supercharging device is connected with the jetting device; and a collecting device arranged at the bottom of the jetting device and connected with the sand-water separation device. In the invention, the accurate establishment of the storage amount of the abrasive particles in the whole system is realized through weighing the weight, so the storage amount of a motor required by the circulation in the whole system is accurately controlled, thereby the control of the jetting stability of the jetting system is finally realized.
Owner:BAOSHAN IRON & STEEL CO LTD
Intelligent and secure community management and control system based on cloud platform
InactiveCN108924262AReal-time and comprehensive accessRealize precise controlData processing applicationsCo-operative working arrangementsInformation processingPrivate network
The invention provides an intelligent and secure community management and control system based on a cloud platform, and belongs to the field of electronic technology. The problems of single function,low integration level and incapability of completely managing and controlling community security and protection in the prior art are solved. The management and control system comprises an informationsensing platform, a network platform, a data processing platform and a public security application platform, the information sensing platform comprises a video collecting device, an alarm sensor, an AP collecting device and an RFID device; the network platform comprises a video private network, a public security information network, a 3G / 4G / 5G wireless network and the Internet; the data processing platform comprises a video image information data processing module, a public security service information data processing module, an information integrated processing module and a GPS spatial information processing module; and the public security application platform comprises a video investigation application unit, a vehicle application unit, a face application unit, an AP application unit, anRFID application unit, and a data comprehensive analysis application unit. Through multi-functional integration, the management and control system can realize the comprehensive management and controlof the community security and protection management, and has good practicability.
Owner:嘉善力通信息科技股份有限公司
Precision control method and device for adding micro-liquid
InactiveCN101833293AEasy inputIncrease productivityProgramme control in sequence/logic controllersElectric machineryMemory circuits
The invention discloses a precision control method and a precision control device for adding micro-liquid. The precision control device comprises an ARM9 processor, a color LCD display touch screen, an Ethernet interface circuit, a high-precision speed regulation circuit, a speed monitoring circuit, a flow detection circuit, a liquid level monitoring circuit, an alarm circuit, an SD card interface circuit, a USB interface circuit, a PWMDAC circuit, an SDRAM memory circuit, a program memory circuit flash, and a motor control interface circuit, wherein the circuits are mutually connected and the precision control for adding the micro-liquid addition is realized by software programming. By using the rate tracking technology to timely change the needed liquid flow, the precision control method and the precision control device for adding the micro-liquid realize the accurate control of micro-liquid addition in the production process, achieve the control precision of 1 percent, and have the functions of local automatic alarm and remote automatic alarm under the abnormal condition. The precision control method and the precision control device have convenient control parameter input, and can be organically integrated with the conventional production equipment to greatly improve the production efficiency and save the production cost.
Owner:EAST CHINA NORMAL UNIVERSITY
Upper polishing disk of polishing machine
InactiveCN101966695AImprove cooling effectPlay the role of forced coolingBonded abrasive wheelsEngineeringSilicon chip
The invention relates to a structure of a silicon chip grinding machine or a polishing machine, in particular to the structure of an upper positioning disk of the silicon chip grinding machine or the polishing machine. The upper polishing disk of the polishing machine comprises an upper working disk (7) and is mainly characterized in that an upper water cooling disk (5) is arranged above the upper working disk (7), a cavity (2) is formed between the upper working disk (7) and the upper water cooling disk (5), and a water inlet (3) and a water outlet (6) are arranged on the upper water cooling disk (5) and respectively communicated with the cavity (2). The structure has the advantages that the special water cooling disk structure consists of a plurality of independent fan-shaped regional cavities, each fan-shaped regional cavity has the respective water inlet and the water outlet, and a waterway is designed to be a labyrinth, thereby preventing cooling water from taking a short cut, realizing that the cooling water can only flow out of the water outlet after the cavity is full of the cooling water, ensuring that the cooling water can carry out sufficient cooling of the polishing disk, taking away heat produced by processing in time, playing a forced cooling role for the polishing disk and being more reliable in comparison with the traditional passive cooling.
Owner:LANZHOU RAPID INDGRPCO +1
Electrohydraulic control steering system
ActiveCN109466625ARealize intelligenceHigh control precisionSteering linkagesFluid steeringAutomatic controlHydraulic pump
The invention provides an electrohydraulic control steering system, which comprises a liquid path control device, wherein the liquid path control device comprises a hydraulic pump for providing hydraulic oil; a rear axle steering oil cylinder for controlling the rear wheel of the vehicle to steer and a front axle steering oil cylinder for controlling the front wheel of the vehicle to steer; an electric proportion reversing valve, wherein the electric proportion reversing valve is used for controlling hydraulic oil to flow to the rear axle steering oil cylinder or the front axle steering oil cylinder; a switching valve; and an angle measuring device, wherein the angle measuring device comprises an angle sensor for measuring a steering angle of a wheel and the angle sensor is fixedly connected to a rear axle and / or a front axle of the vehicle. The angle measuring device measures an actual steering angle of the wheel through the angle sensor, and the electric proportional reversing valvecontrols the flow direction of hydraulic oil according to the relationship between the actual steering angle of the wheel and a target steering angle so as to control the movement of the rear axle steering oil cylinder and the front axle steering oil cylinder, thereby the automatic control of wheel steering is realized.
Owner:CHINA RAILWAY CONSTR HEAVY IND
Cooking utensil fire power control method and device and cooking utensil
InactiveCN109812838AFully automatedRealize precise controlDomestic stoves or rangesLighting and heating apparatusTemperature control modeProcess engineering
The invention provides a cooking utensil fire power control method and device and a cooking utensil. The cooking utensil fire power control method comprises the steps of determining a current cookingscene, and determining temperature control mode information corresponding to the cooking scene; acquiring the measuring temperature of pots in real time; determining a fire power control signal basedon the measuring temperature and the temperature control mode information; and controlling the fire power of the cooking utensil based on the fire power control signal. According to the cooking utensil fire power control method, a user selects a corresponding cooking scene and utilizes the temperature control mode information corresponding to the cooking scene and acquires the measuring temperature in real time to realize automatic and accurate control of the fire power of the cooking utensil, rather than controlling the fire power by personal experience.
Owner:FOSHAN SHUNDE MIDEA WASHING APPLIANCES MFG CO LTD
Lithium ion battery pack tab liquid cooling based on liquid cooling
ActiveCN106129527AResolve temperature differencesImprove heat uniformitySecondary cellsEngineeringTemperature difference
The invention discloses a lithium ion battery pack tab liquid cooling based on liquid cooling. The liquid cooling device comprises a closed liquid cooling pipeline, and heat conductive cooling liquid arranged in the liquid cooling pipeline. The liquid cooling pipeline comprises metal pipelines and insulation pipelines which are arranged alternately. The metal pipelines fit the tab collector sheets of the lithium ion battery pack and are used for conducting the heat of lithium ion battery pack tabs. The insulation pipelines are connected with the metal pipelines. The liquid cooling pipeline also comprises a liquid inlet and a liquid outlet which are closeable and openable and are used for importing and exporting the heat conductive cooling liquid. The heat conductive cooling liquid is insulation liquid with a heat conductive cooling function. According to the device, the tabs at different locations of the lithium ion battery pack are connected through a heat conductive loop, and the heat conductive cooling liquid is injected into the loop. The temperature difference problem of the battery tabs at different locations in the charge / discharge process of the battery pack is solved. The device has good soaking effect, is simple in structure, is easy to disassemble and expand, and is applicable to lithium ion batteries of different combinations.
Owner:江苏卓岸电源科技有限公司
Laminating type piezoelectric brake adopting flexible amplifying structure and working method thereof
InactiveCN103994159AEasy to install precisionLarge displacement and forceDrum brakesBrake actuating mechanismsElectromagnetic interferenceCeramic
The invention discloses a laminating type piezoelectric brake adopting a flexible amplifying structure and a working method thereof. The piezoelectric brake comprises a non-rotation part, a brake support, a circular ring, a key, a brake disk and a rotating part, wherein the brake support, the circular ring, the key, the brake disk and the rotating part are installed in the non-rotation part. The circular ring is located in the non-rotation part, the inner circle of the circular ring and the brake support are connected through the key and located, and the inner circle of the brake disk and the outer circle of the circular ring are in clearance fit. The rotating part is installed on the circular ring and fixedly connected with the brake disk. The laminating type piezoelectric brake adopting the flexible amplifying structure further comprises laminating piezoelectric ceramic embedded in the circular ring, a wedge arranged on one side of the laminating piezoelectric ceramic and used for providing the pretightening force, and an isosceles triangle displacement amplifying structure used for amplifying and controlling extension displacement of the laminating piezoelectric ceramic. The laminating type piezoelectric brake adopting the flexible amplifying structure has the advantages of being small in size, easy to process, assemble and use, fast in response, easy to control and the like, and electromagnetic interference is avoided.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
Double-welding-torch intelligent welding system
InactiveCN110091029ARealize remote welding parameter monitoringImplement fault diagnosisElectrode supporting devicesWelding accessoriesAutomatic controlWelding power supply
The invention discloses a double-welding-torch intelligent welding system. The system comprises a controller, a central control box, a welding car, a wire feeding machine A, a wire feeding machine B,a welding power supply A and a welding power supply B, wherein the central control box is a control center of the whole welding system; the controller is connected with the central control box as a human-computer interaction interface; a welding gun A and a welding gun B are mounted on the welding car; the welding car is in communication connection with the central control box, and can automatically control welding actions of the welding gun A and the welding gun B; the wire feeding machine A is connected with a welding power supply A and the welding car, and is used for performing the wire feeding, the gas feeding and the data acquisition on the welding; the wire feeding machine B is connected with a welding power supply B and the wire feeding machine A, and is used for performing the wire feeding, the gas feeding and the data acquisition on the welding; and the welding power supply A and the welding power supply B are used for providing welding energy for closed real-time control ofarc characteristics. The system adopts the double-wire and double-arc gas shielded welding for full-automatic welding of outer ring gaps of pipes.
Owner:CHENGDU XIONGGU JIASHI ELECTRICAL
Reactive sputtering plasma control system and method
InactiveCN103866248AQuick controlEasy to controlVacuum evaporation coatingSputtering coatingSputteringControl signal
The invention discloses a reactive sputtering plasma control system and method. The control system comprises a controller, a power supply, gas flow piezoelectric valves, a film plating chamber and a multi-channel sensing feedback, wherein the controller controls the output current and voltage of the sputtering power supply and a working gas flow piezoelectric valve and a reacting gas flow piezoelectric valve through control signals; the multi-channel sensing feedback comprises a plasma spectrum feedback circuit, a gas partial pressure feedback circuit and a target current and voltage feedback circuit. According to the system and method disclosed by the invention, the rapid feedback and real-time control of a sputtering process are realized through monitoring a plasma reaction sputtering spectrum and controlling the precise content of working gas and reacting gas, the target current and voltage and the like, so that the stability of the sputtering deposition rate is realized, and the stability of the composition of a sputtered film is guaranteed. The system and the method not only are applicable to relatively small substrates and single sputtering materials, but also have a relatively good effect on large-area substrates and co-doped sputtering materials.
Owner:GUANGZHOU MECHANICAL & ELECTRICAL TECH RES INST
Micro-feeding device for hydraulic boring tool and boring lathe with micro-feeding device
InactiveCN104646718AHigh precisionSimple structureAutomatic control devicesFeeding apparatusControl theoryPiston
The invention discloses a micro-feeding device for a hydraulic boring tool and a boring lathe with the micro-feeding device. A servo motor, a spring, hydraulic parts and an elastic deformation body are adopted, the servo motor is controlled to rotate to enable a sliding platform to move and compress the spring, the spring is deformed to generate pressure acting on a hydraulic oil cavity, and hydraulic oil obtains certain pressure to act on a piston component in the elastic deformation body; a piston drives the elastic deformation body of a four-link structure to translate to realize the radial displacement compensation of the boring tool under the action of the hydraulic oil. According to the micro-feeding device and the boring lathe with the same, the characteristics of a mechanical tool compensation device and a hydraulic servo tool compensation device are combined, and control over the radial displacement of the tool is converted into control over the displacement of the servo motor, so that the micro-feeding device and the boring lathe with the same have the characteristics of high accuracy, simple structure, easiness in control and maintenance, and the like.
Owner:SHANDONG UNIV
Lower polishing disk of polishing machine
InactiveCN101972998APlay the role of forced coolingRealize precise controlFlexible-parts wheelsEngineeringPassive cooling
The invention relates to the structure of a silicon wafer lapping machine or a polishing machine, in particular to the structure of a lower polishing disk of a silicon wafer lapping machine or a polishing machine. The lower polishing disk of a polishing machine comprises a lower disk working disk (7), and is mainly characterized by also comprising a lower disk base disk (9) on the lower part of the lower disk working disk (7), wherein a cooling cavity (3) is formed between the lower disk base disk (9) and the lower disk working disk (7); the lower disk base disk (9) is provided with a water inlet (8) and a water outlet (5); and the water inlet (8) and the water outlet (5) are respectively communicated with the cooling cavity (3). The invention has the advantages that the special structure of a water cooling disk can prevent cooling water taking a shortcut; because cooling water can flow out from the water outlet (5) only after the cooling cavity (3) is filled, a polishing disk can be fully cooled by cooling water; and because heat generated by operating is carried out in time, the polishing disk can be forcibly cooled. Compared with a traditional passive cooling method, the invention is more reliable. The lower polishing disk is combined with a precise temperature measuring system and a cooling water flow regulating system to realize the precise control of polishing temperature.
Owner:LANZHOU RAPID INDGRPCO
Cleaning method and cleaning device for brazing filler metal extruded wire
ActiveCN103343352AEasy to transportConvenient time controlMetallic material coating processesBenzotriazoleFiller metal
The invention relates to a cleaning method for a brazing filler metal extruded wire. The cleaning method comprises the following steps of: 1) soaking a coiled extruded wire in an acidic solution in which the mass percent concentration of an acid ranges from 15% to 20% for 15-30 minutes, thus removing scale cinders; 2) performing vibrating flushing for 10-30 seconds to remove residues from the surface of the extruded wire; 3) flushing for 5-10 seconds to further remove residues from the surface of the brazing filler metal; 4) soaking the extruded wire in a passivation solution containing 0.3-0.8% of benzotriazole at 50-70 DEG C for 1-5 seconds. The invention also relates to a cleaning device for implementing the cleaning method. The cleaning device comprises a frame platform, tanks and a conveying device; and the cleaning device is characterized in that the tanks include a deoxidation tank, a vibrating flushing tank, a flushing tank and a passivation tank which are orderly arranged, the tanks are located under the frame platform, the conveying device is mounted on the frame platform, and the conveying device is matched with the tanks.
Owner:HANGZHOU HUAGUANG ADVANCED WELDING MATERIALS CO LTD
Inductively coupled plasma mass spectrometer coupling interface device and analysis method
InactiveCN104849118ARealize precise controlImprove stabilityPreparing sample for investigationMaterial analysis by electric/magnetic meansDigestion TreatmentTorch
The invention provides an inductively coupled plasma mass spectrometer coupling interface device and an analysis method. The inductively coupled plasma mass spectrometer coupling interface device comprises a torch interface, a carrier gas mass flowmeter, an auxiliary gas mass flowmeter, a flow splitting T-joint, a flow combining T-joint, a carrier gas pipe, an auxiliary gas pipe and the like. The device is simple in structure and solves the problems that a plasma torch is flamed out, signals are unstable and the sensitivity is low when a tungsten wire capture electrothermal vaporization solid sampling device is coupled with an inductively coupled plasma mass spectrometer. The inductively coupled plasma mass spectrometer coupling interface device and the analysis method have the advantage that the detection of trace cadmium can be realized without performing digestion treatment to food samples, and have the characteristics of directness, quickness, high sensitivity, good stability and the like.
Owner:INST OF QUALITY STANDARD & TESTING TECH FOR AGRO PROD OF CAAS
Rapid packing machine for fragile products in logistics transportation process
InactiveCN110435991AFast packaging efficiencyImprove packaging qualityWrapper twisting/gatheringFoaming agentLogistics management
The invention relates to the technical field of logistics transportation, in particular to a rapid packing machine for fragile products in the logistics transportation process. The rapid packing machine comprises a support and a working table. A storing box is installed at the position, located below the working table, of the inner side of the support. A pressurizing pump is arranged on one side face, close to the storing box, of the inner side of the support. Two sliding grooves are formed in the two side edges of the upper surface of the working table correspondingly. A box sealing mechanismA is installed on one side face of the working table. According to the rapid packing machine, a spraying gun and swelling of foaming agents are utilized for filling gaps between the fragile productsand the box, a pressing plate is utilized for achieving precise control over the foaming agents, the situation that the foaming agents swell and overflow of the box is avoided, meanwhile, the box sealing mechanism and a rotating disc are used in cooperation, adhesive tape is utilized for packaging the surface of the box conveniently, the traditional manner of holding the adhesive tape manually forpackaging is replaced, the package efficiency is high, moreover, time and labor are saved, operation is convenient, the packing quality of the fragile products is improved, and the damage probabilityof the fragile products is reduced.
Owner:广州市穗佳物流有限公司
Clean and efficient production line for sauce
ActiveCN108974416AFully automatedRealize precise controlFood processingSuccessive articlesProduction linePersonal computer
The invention provides a clean and efficient production line for sauce. The clean and efficient production line is mainly used for solving the technical problems that in the prior art, in a productionworkshop, oil fume pollution is caused, operators are uncontrollable, and the production control automation degree and the intelligentization degree are low. According to the clean and efficient production line, equipment for the stir-frying procedure and the packaging procedure is redesigned and replanned, inner packaging and outer packaging of the packaging procedure can be integrated onto a same set of equipment; and the packaging procedure is completed fully automatically. The equipment on the whole production line is controlled and operated through an industrial personal computer. The industrial personal computer is mounted in a computer room. The operators can stay in the computer room to control and operate the equipment in the production workshop. Uncleanness and insanitation accidents caused by the operators in the production environment are reduced.
Owner:NINGXIA NINGYANG HALAL FOOD
Stone coal vanadium ore oxidation grain breaking roasting comprehensive utilization method
ActiveCN111719054AHigh operating costsAdaptableSilicaProcess efficiency improvementPregnant leach solutionCyclonic separation
The invention discloses a stone coal vanadium ore oxidation grain breaking roasting comprehensive utilization method. The method is carried out according to the following steps (1) a stone coal vanadium ore is crushed and ground to obtain powder ore; (2) the power is delivered to a suspended decarburization roasting furnace for decarburization reaction; (3) a decarburized material is subjected tocyclone separation and then enters a suspended grain breaking roasting furnace to be subjected to a grain breaking oxidation reaction; (4) an oxidized material is discharged after cyclone separation;(5) cooling is conducted to 150-200 DEG C is conducted, acid mixing curing leaching, or directly leaching is conducted; (6) a leached material is filtered to obtain a V2O5 leaching solution; (7) filter residue is mixed with a sodium hydroxide solution for secondary leaching, and filtering is conducted to obtain a secondary filtrate; (8) hydrochloric acid is added into the secondary filtrate to generate white precipitate, and filtering is conducted to obtain third filter residue, and drying is conducted to obtain white carbon black. According to the method, sodium salt adding is not required byroasting, the problems of incomplete vanadium oxidation, low equipment processing amount, high operation cost and the like in a traditional process are solved, the process flow is simple, equipment and system operation are stable, and energy consumption and cost for unit processing amount are low.
Owner:NORTHEASTERN UNIV
Service process management and control system and management and control method based on air freight
PendingCN112053135AJob tasks can be quantifiedThe execution process can be monitoredOffice automationTotal factory controlAir freightAviation
The invention discloses a service process management and control system and management and control method based on air freight. The management and control system comprises a task node configuration module, an interface module, a task decomposition module, a task distribution module, a job execution module and a task monitoring and scheduling module. The task node configuration module is used for configuring and storing task nodes; the interface module is used for acquiring flight plan information of a flight system; the task decomposition module automatically decomposes a list task of each service link; the task distribution module distributes a production task to each execution post, and each post operator completes operation execution through the job execution module; the task monitoringand scheduling module monitors the execution process and dynamically organizes and schedules resources according to an execution situation. According to the invention, accurate management and controlof a freight station operation process are realized so that the freight station operation process is flexible and configurable, the operation task is quantifiable, the execution process can be monitored, and the freight station operation efficiency is improved.
Owner:YUNNAN KUNMING SHIPBUILDING DESIGN & RESEARCH INSTITUTE
Feather washing and dewatering machine
InactiveCN102995133ARealize precise controlImprove yieldWool fibre washing/scouringTextile/flexible product manufactureProgrammable logic controllerTurbidity
The invention relates to a feather washing and dewatering machine which comprises a base plate, a horizontal fixing barrel elastically arranged on the base plate, a plurality of pulse feather fluffing devices arranged at the top of the fixing barrel, a rotary drum rotatably connected into the fixing barrel, a driving device for driving the rotary drum to rotate, a programmable logic controller (PLC) electric control box and a turbidity meter connected with the PLC electric control box, and a sensor of the turbidity meter is arranged in the fixing barrel. The feather washing and dewatering machine is integral in washing and dewatering and high in automatic degree, achieves accurate control on feather washing and dewatering, and improves feather yield.
Owner:徐州腾宇羽绒制品设备有限公司
Neutron diffraction high-temperature goniometer and special mechanical loading device thereof
ActiveCN106996897ACompact layoutReduce weightNuclear energy generationMaterial strength using tensile/compressive forcesBeam angleGrating
The invention relates to a neutron diffraction high-temperature goniometer and a special mechanical loading device thereof and belongs to the field of mechanics performance testing of materials. The neutron diffraction high-temperature goniometer comprises a high-temperature goniometer unit and a special mechanical loading unit, wherein the goniometer unit enables a mechanical loading system unit to rotate, and a tilted rotation operation at 0-90 degrees can be realized on a test piece; the mechanical loading system unit also can implement a free rotation operation on the test piece at 0-360 degrees around the axis of the mechanical loading system unit, and a need for different diffraction angles is met; the mechanical loading system unit integrates a halogen heating lamp, a grating scale and the like, heats the test piece and measures the deformation generated by the test piece; a control system unit can realize online real-time adjustment of goniometer parameters, mechanical loading indexes, heating temperature, etc. The invention has the advantages that the device can realize accurate control on the rotation of a measured sample in two directions under a mechanical loading condition; stepless closed-loop temperature control on the measured sample from room temperature to 1,000 DEG C can be realized under a condition of meeting the requirement on the beam angle of a neutron diffraction stress spectrometer.
Owner:JILIN UNIV +1
Pump station gate opening control method
PendingCN110989698ARealize intelligent liftingRealize intelligenceFlow control using electric meansControl theoryReservoir water
The invention provides a pump station gate opening degree control method. The pump station gate opening degree control method comprises the steps: obtaining pump station gate information, real-time operation information and gate passing flow; analyzing the lockage flow, determining whether to adjust the gate or not, and uploading adjustment information; acquiring adjustment information, and calculating gate opening adjustment data of a gate to be adjusted according to the gate information and the operation information; acquiring the lockage flow after the gate opening is adjusted and analyzingthe lockage flow; determining whether to make adjustments. According to the invention, a scheduling command is formed based on pump station reservoir lockage flow monitored in real time and historical data; according to the dispatching instruction, the opening degree of the gate is automatically adjusted according to the flow of the passing gate, an optimal gate adjusting scheme is calculated andprovided, and the optimal gate adjusting scheme comprises the step that one or more gates are jointly adjusted and started to adjust the flow of the passing gate, so that intelligent lifting of the gates is achieved, and intelligent and accurate control over the water level of the pump station reservoir is achieved.
Owner:中水三立数据技术股份有限公司
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