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35 results about "Yard (length)" patented technology
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The yard (abbreviation: yd) is an English unit of length, in both the British imperial and US customary systems of measurement, that comprises 3 feet or 36 inches. It is by international agreement in 1959 standardized as exactly 0.9144 meters.
Concealed weapons detection system
InactiveUS6359582B1Detection using electromagnetic wavesRadio wave reradiation/reflectionRadarEngineering
A weapons detector (12) and method utilizing radar. The system comprises a transmitter (27) for producing an output (14) of frequencies of a set of self-resonant frequencies of weaponry; an antenna (28) directing the transmitter output toward locations potentially having weaponry and collecting backscattered signals (15); a receiver (29) receiving the backscattered signals (15) and operating over a range of the self-resonant frequencies; and a signal processor (30) for detecting the presence of a plurality of the self-resonant frequencies in the backscattered signals (15). Accuracies of greater than 98% can be obtained at distances, preferably between 4-15 yards. The weapons detector (12) is capable of detecting metal and non-metal weapons (16) on a human body (13) in purses, briefcases and under clothing; and discerning weapons (16) from objects such as belt buckles, coins, keys, calculators, cellular phones.
Owner:MACALEESE +1
Automatic past error corrections for location and inventory tracking
ActiveUS20070010940A1Increase probabilityClearly markedNavigational calculation instrumentsPosition fixationPosition errorYard (length)
A system is provided for tracking and maintaining an inventory of location of containers that are stored on cargo ships or in a container yard. The system includes one or more sensors, such as GPS and INS sensors for obtaining real-time position information, as well as a processor configured to automatically provide post processing to recover lost data and to correct erroneous data, such as when real-time position signals are blocked or distorted, the post processing performed by estimating trajectories and correcting the location errors. Post-processed positioning techniques are continuously applied to the stored position data to iteratively determine calibrated position locations to provide calibrated second trajectory segments in a real-time fashion. The calibrated second trajectories are then used to identify the errors in the past real-time position data as soon as a segment of the second calibrated trajectory becomes statistically trustworthy. Corrections can be automatically made in inventory locations stored in a database to correct position errors for the containers.
Owner:MI JACK PRODS
Apparatus and method for locating assets within a rail yard
ActiveUS20070150130A1Digital data processing detailsClassification yard switching systemsGraphicsEngineering
A method for tracking assets within a rail yard, the method comprising: creating a track layout database for the rail yard, the track layout database providing a map of rail tracks and switches within the rail yard, wherein the track layout database includes machine readable data identifying discrete locations of the rail tracks and switches of the rail yard, each discrete location corresponding to a geographical position of a portion of a rail track or switch; associating rail yard processing steps with portions of the track layout database; receiving a geographical position signal corresponding to an asset within the rail yard; comparing the geographical position signal to the machine readable data of the track layout database in order to identify the location of the asset within the map; and presenting a graphical representation of the location of the asset on the map along with the yard process steps associated with the track section occupied by the asset, wherein the geographical position signal is received within a time period to allow the graphical presentation to be used in a management decision corresponding to the asset.
Owner:GE GLOBAL SOURCING LLC
Wood automatic monitoring method and system
ActiveCN101281021AQuick measurementFight against smugglingUsing optical meansImaging processingMachine vision
The invention relates to a wood automatic supervision method and a system which combines a laser contour detection, a machine vision recognition and an image processing technology, scans wood contour line for a laser scanning device used for train to transporting wood to gain cross section area of loading wood, uses a machine vision device to gain carriage length of the train, automatically gains volume of the loading wood. The invention also provides an automatic supervision method for yard logs or vehicle loading logs which process to scan for head faces of the logs, gain the cross section area of each log according to a head face image, and then try to obtain log volume according to the wood length, so as to realize the wood automatic supervision. The method and the system provided by the invention are applied to the customs, so as to reduce artificial examination strength of the customs system, improve examination accuracy, and effectively attack smuggling crime.
Owner:BEIJING HUALIXING SCI TECH DEV
Asset tracking method
InactiveUS20060022867A1Improve accuracyHigh positioning accuracyRoad vehicles traffic controlPosition fixationThird partyEngineering
The present invention relates to a system for managing assets such as vehicles and / or equipment in an area such as a repair yard or parking lot. A plurality of mobile devices periodically wake-up at different times and transmit their uncorrected GPS location data to one or more fixed local devices. Each fixed local device periodically forwards its accumulated, uncorrected GPS data for each mobile device to a reference device. A reference device is precisely located and capable of differentially correcting the data and forwarding the corrected result sets either back to the local devices and / or to third parties.
Owner:PRECO ELECTRONICS INC AN IDAHO
Antibacterial blended yarn and spinning process thereof
The invention discloses an antibacterial blended yarn and a spinning process thereof. The antibacterial blended yarn is spun by 20 to 25 weight percent of bamboo carbon fiber, 35 to 40 weight percent of cotton fiber, 20 to 25 weight percent of modal fiber and 20 to 25 weight percent of tencel fiber through a semi-spinning process. The spinning process sequentially comprises dyeing, carding, drawing, roving, spinning and spooling. The bamboo carbon antibacterial blended yarn is blended by various fibers, the characteristic of each fiber is highlighted by rationally arranging a weight ratio of each fiber, and the advantages of various fibers are integrated, so that the basic performance of the yarn is kept, and the antibacterial function is also guaranteed. The adopted semi-spinning process has shorter flow than the spinning process; and the yarn is fluffier and softer than the spun yard and is more uniform and glossier than the roved yarn. The semi-spinning process has high raw material adaptability, the spinning count can be high or low, technology is popularized, equipment investment is small and occupied plant area is small.
Owner:JIANGNAN UNIV +1
Precision measurement method of underline engineering during station yard transformation
ActiveCN103363965AReduce precision lossHigh precisionSurveying instrumentsSatellite radio beaconingTotal stationMiddle line
The invention discloses a precision measurement method of underline engineering during station yard transformation. The method is characterized in that station yard external control points A1, A2, A3 and A4 are successively arranged from one end to the other end at two ends of the outer side within the station yard construction range, and a GPS technology is used for measurement; the station yard external control points A1, A2, A3 and A4 are attached to the known basic plane control network CPI and line plane control network CPII, so that the accuracy loss caused by the starting point of the construction control network of a later-period total station yard, and the plane control measurement network used is unified in the same plane control network. The method is applied to improving the construction measurement accuracy and meeting requirement of the underline engineering of the station yard, and solves the technical problems that the intervisibility of a traverse point is poor, the measurement accuracy is low and the overall construction measurement requirement can be hardly met are solved during underline measurement.
Owner:THE 4TH CONSTR ENG CO LTD OF CHINA RAILWAY NO 4 ENG GRP
Asset tracking method
InactiveUS7277048B2Improve accuracyHigh positioning accuracyRoad vehicles traffic controlPosition fixationThird partyReference device
The present invention relates to a system for managing assets such as vehicles and / or equipment in an area such as a repair yard or parking lot. A plurality of mobile devices periodically wake-up at different times and transmit their uncorrected GPS location data to one or more fixed local devices. Each fixed local device periodically forwards its accumulated, uncorrected GPS data for each mobile device to a reference device. A reference device is precisely located and capable of differentially correcting the data and forwarding the corrected result sets either back to the local devices and / or to third parties.
Owner:PRECO ELECTRONICS INC AN IDAHO
Collapsible yard sign
A collapsible yard sign having a top arm sleeve and bottom arm removably connected to a post member, wherein after removal the post member is inserted into the top arm sleeve. A flexible sign is removably attached between the top arm sleeve and the bottom arm member, the sign and bottom arm member being stored within the post member in the disassembled state. The post member is provided with a ground anchor insertable into the ground.
Owner:CARTER MICHAEL DUANE
System and method for monitoring the spontaneous combustion in round coal yard
InactiveCN107290068AKnow the temperature situation at any timeEasy to replaceThermometer detailsSpontaneous combustionData acquisition
The invention relates to a system and a method for monitoring the spontaneous combustion in a round coal yard. The system and the method involve a round enclosed type coal storage yard, and are characterized by comprising: temperature data acquisition modules uniformly installed along the height direction of the blocking walls of the coal storage yard; a data emitting-receiving module used to transmit data and instructions among the temperature data acquisition modules and a data processing module; the data processing module configured to process the received data and to monitor the temperature in the coal storage yard; and a spontaneous combustion control module configured to prevent the coal piles from spontaneous combustion. With the system and the method, it is possible to dynamically present the coal heat loss and to quantize the inventory coal's efficiency. The association of the temperature data with the spontaneous combustion control steps means that when the coal pile temperatures exceed a certain temperature, the spontaneous combustion control steps work automatically, therefore, making the operation people unnecessary.
Owner:HUADIAN ELECTRIC POWER SCI INST CO LTD
Football down chain set
ActiveUS20080256811A1Easy to useEasy to manufactureWalking sticksSurveying instrumentsYard (length)Computer science
Owner:GARZA RICHARD
Football down chain set
ActiveUS7481003B2Easy to useEasy to manufactureWalking sticksSurveying instrumentsYard (length)Computer science
Owner:GARZA RICHARD
Flow path control method for material handling system of stock yard
InactiveCN101452271ALess investmentShorten development timeProgramme control in sequence/logic controllersControl signalEngineering
The invention relates to a method for controlling a material transporting system of a stock yard of a large-scale industrial enterprise. Flow equipment is constructed to select the selectional relation between a matrix storage flow and the equipment; a line number of a matrix is used as a flow number; and a row number is used to identify the equipment. Then the flow number is input; a flow equipment optional word is extracted from a flow equipment selection matrix; the flow equipment optional word and an equipment status word are subjected to logical operation; a calculation result is used to judge whether the flow is ready; if the flow is not ready, the flow number is re-input to select other flows; if the flow shows ready, the flow equipment optional word and the equipment status word are assigned to an equipment interlocking control module; and an equipment interlocking control program outputs the equipment status word. The equipment status word transmits a startup control signal and a stoppage control signal of the equipment, thereby completing the flow control. The method can save the investment of a secondary computer for controlling materials in the stock yard, can be conveniently realized through programming in a PLC or other logical controllers and shorten time for software development.
Owner:WISDRI ENG & RES INC LTD
Yard management simulation system
ActiveCN107544291AGuaranteed validityGuaranteed reasonablenessSimulator controlAutomatic controlControl system
The invention discloses a yard management simulation system which provides a complete simulation of a scene environment, can simulate normative operations and each link of management, is conducive toearly detection of problems and saving financial and material resources, and provides the basis for subsequent site testing and decision-making direction. The technical scheme is that the system is connected with an automated wharf loading and unloading planning system (TOS) and a crane single-machine automatic control system (ACCS) through a reliable and high-speed communication mode, receives job tasks, controls the execution of job instructions, and feeds back a task execution status.
Owner:SHANGHAI ZHENHUA HEAVY IND
Coal stock counting method and coal stock counting system
PendingCN108317974AReduce stepsPromote intelligent operationImage analysisWeighing apparatus using radiationYard (length)Coal storage
The invention provides a coal stock counting method and a coal stock counting system which are used for conveniently and quickly counting a coal stock. The coal stock counting method provided by the invention comprises the following steps: the coal stock counting system determines a start point; the coal stock counting system acquires coal stock information of a coal storage yard around an originof coordinates from the start point; the coal stock counting system outputs the coal stock information. According to the technical scheme, the coal stock counting method has the following advantages:the coal stock counting system determines the start point, acquires the coal stock information of the coal storage yard around the origin of coordinates from the start point and outputs the coal stockinformation, so that high-automation coal stock counting work can be conveniently and quickly carried out, user operation is greatly avoided, and relatively high accuracy can be achieved; therefore,the coal stock information obtained by the coal stock counting work is more reliable, so as to promote intelligent operation of a thermal power plant.
Owner:GUANGZHOU CR THERMOELECTRICITY CO LTD
Fermented jujube beverage and preparation method thereof
The invention discloses a fermented jujube beverage and a preparation method thereof. The fermented jujube beverage is fermented from a composite leavening agent mixed from two strains including lactobacillus acidophilus NCU426 and lactobacillus rhamnosus NCU2217; and the lactobacillus acidophilus NCU426 and the lactobacillus rhamnosus NCU2217 have been deposited at China General Microbiological Culture Collection Center (CGMCC for short) on April 9, 2018 at the address of Institute of Microbiology of Chinese Academy of Sciences, No. 3, First Yard, Beichenxi Road, Chaoyang District, Beijing with the accession numbers of CGMCCNO15572 and CGMCCNO15573. By the preparation method, the original effect of jujube is retained to a maximum extent, active metabolites of probiotics such as short chain fatty acids are generated by lactobacillus fermentation, and the fermented jujube beverage is abundant and balanced in nutrition, and tastes good.
Owner:NANCHANG UNIV
Method for positioning and navigating yard of substation based on mobile phone APP (application) tool
ActiveCN107389053AImplement lookupAchieve positioningNavigation instrumentsPersonalizationDaily operation
The invention relates to the technical field of navigation of substations, in particular to a method for positioning and navigating the yard of a substation based on a mobile phone APP (application) tool. The method comprises the following steps of 1, downloading software, applying for a user, and opening different user authorities; 2, downloading a latest map offline packet; 3, querying the basic conditions of the yard of the substation, and determining a target yard; 4, positioning the position of the user; 5, planning an optimum route, and navigating; 6, finishing the navigation, and feeding back; 7, determining the feedback contents. The method has the advantages that the target yard is determined according to the basic information of the yard, the optimum route is calculated according to the historical route, and the navigation is performed in character and voice types; the information querying, positioning and route navigation functions can be realized, an operation and maintenance person can correctly and efficiently complete daily operation, maintenance, yard finding and navigation in the operation and maintenance process, the maintenance task is timely performed, the operation and maintenance efficiency is improved, and the reliability of power supply is improved; by adopting personalized setting, the operability and the accuracy in navigation can be effectively improved.
Owner:XINJIANG INFORMATION IND
Hot rolling slab yard two-crane-spanning automatic control method
ActiveCN108931975AReduce labor intensityImprove efficiencyPosition/course control in two dimensionsVehiclesAutomatic controlWork task
The invention discloses a hot rolling slab yard two-crane-spanning automatic control method. Under the premise of ensuring a safe distance of driving, a computer system calculates and allocates, according to a target position of a driving crane working task and a real-time position fed back by a driving crane, a lifting area of another driving crane, and then coordinates working executing processof the driving cranes according to priority, task generation time and waiting time of each driving crane, and then efficiency of cooperation working spanning the two driving cranes is improved. The driving crane working task is allocated through a dynamic red line method. When the same spanning driving crane conflicts in task execution, the optimal driving crane cooperation working scheme is calculated according to the task priority, issuing moments, avoidance time, etc., so defects of high labor intensity, misoperation and the like caused by manual intervention for driving crane working can be effectively overcome, and working efficiency of slab yard driving cranes are effectively improved. The method can be put into use in the steel industry involving storage management, and the method has great application and promotion values.
Owner:BAOSHAN IRON & STEEL CO LTD
System, Method, and Computer-Readable Media For Monitoring Motion of Railcars In A Railroad Yard
InactiveUS20080154449A1Vehicle testingRegistering/indicating working of vehiclesMotion parameterEngineering
System, method and computer-readable media are provided for monitoring in a railroad yard effects of a railtrack having one or more curved track segments on motion characteristics of a railcar, as the railcar rolls along the railtrack due to gravity. The system may include impedance-measuring track circuitry arranged to monitor at least one motion parameter of the railcar as the railcar passes through a straight segment of the railtrack. The impedance-measuring track circuitry may be further arranged to monitor such at least one motion parameter of the railcar, as the railcar passes through a curved segment of the railtrack. The system may further comprise a processor coupled to the impedance-measuring track circuitry to determine a first coefficient of rollability of the railcar applicable to a straight railtrack segment, and a second coefficient of rollability of the railcar applicable to a curved railtrack segment.
Owner:GENERAL ELECTRIC CO
Measuring Devices with Integrated Measurement Conversions from Fraction-Inches to Decimal-Inches and Vice Versa
ActiveUS20150082644A1Easy to makeEasy to measureOptical rangefindersStraightedgesEngineeringUnits of measurement
Disclosed is a measuring device that is adapted for providing conversions from fractions of an inch to decimals of an inch and vice versa. The measuring device includes a ruler having a first edge opposite a second edge. The first edge includes markings for indicating units of measurement in decimals, while the second edge includes markings for indicating units of measurement in fractions. The markings in decimals directly align with corresponding markings in fractions so that the user can determine fraction-decimal equivalents by locating the alignments of the markings. Furthermore, the present invention may be a traditional ruler, a retractable tape measure, a measuring tape, a right angle ruler, or a yard stick, depending upon embodiment.
Owner:CROMWELL MARSHALL
Novel parker control system based on CAN bus
InactiveCN106873427AMeet the communication requirements of the online monitoring systemMeet communication requirementsProgramme controlComputer controlControl systemMonitoring system
A novel parker control system based on a CAN bus consists of three parts: a tail signal building relay room, a tail signal building duty room and field control equipment which all operate in a dual-machine redundancy mode and which carries out long distance communication through the CAN bus. The control system overcomes the shortcoming that an existing control system has a long control driving line, saves a lot of cables, reduces the construction difficulty and the workload, has good real-time performance, fast speed, and high reliability, fully satisfies the communication requirement of a marshalling yard tail parker online monitoring system, and is worth promoting and using.
Owner:韩会义
Preparation method of cationic polyester tricolor polyester filament
The invention relates to the field of chemical fibers, and discloses a preparation method of cationic polyester tricolor polyester filaments. The method comprises the steps that 1, MOY is transmittedto a roller one by passing through a roller zero, a first yarn guide, a second yard guide and a third yarn guide in sequence, a hot roller is arranged between the first yarn guide and the second yarnguide, and a reciprocating pull rod is arranged on the second yarn guide; 2, FDY is mixed with the MOY at the roller one, deformation, cooling, false twisting, network compositing, drafting, sizing, conveying and winding are conducted in sequence subsequently, and the cationic polyester tricolor polyester filaments are obtained. Accordingly, two kinds of fibers serve as the raw materials, a fabricwoven through the cationic polyester tricolor polyester filaments is subjected to deep dyeing easily after being dyed through single dye, and the fabric has the tricolor space dye effect; meanwhile,the dyeing cost is reduced, the color is bright, and wearing is comfortable.
Owner:ZHEJIANG HENGYI PETROCHEM
On-line monitoring system and method for settlement of tracks in automatic container yard of harbor
InactiveCN106940180AImprove detection efficiencyReduce testing costsHeight/levelling measurementWireless dataEngineering
The invention discloses an on-line monitoring system for settlement of tracks in an automatic container yard of a harbor. The on-line monitoring system comprises an on-site monitoring system, a wireless data transmission system and a background monitoring system, wherein the on-site monitoring system is composed of static force levels, data lines and wireless data acquisition devices; the wireless data transmission system is mainly composed of a signal tower, signals transmitted by the wireless data acquisition devices in the on-site monitoring system are received via a GPRS network in the signal tower, and then a wireless data receiving device in the background monitoring system receives signals transmitted by the signal tower, so monitoring data is transferred from a site to the background; and the background monitoring system comprises the wireless data receiving device, a data processing device and a monitoring center. The invention also discloses an on-line monitoring method for settlement of tracks in the automatic container yard of the harbor. The on-line monitoring system and method provided by the invention provide a novel track settlement observation mode, can greatly improve detection efficiency and reduce detection cost, and has good development prospects and market application space.
Owner:CCCC THIRD HARBOR CONSULTANTS
Pure electric bus driving route planning method based on reverse order matching of battery capacity degeneration and working load
ActiveCN107367285AReduce the number of replacementsTake advantage ofInstruments for road network navigationPower batteryReverse order
The invention relates to a pure electric bus driving route planning method based on the reverse order matching of battery capacity degeneration and working load. The pure electric bus driving route planning method comprises that it is hypothesized that the driving routes and the timetables of pure electric buses are fixed, the specifications and the capacities of provided power batteries are the same, and the driving mileage of the pure electric bus from a yard starting place to returning to the yard starting place is less than the maximum driving mileage of the pure electric bus; the working loads of the batteries corresponding to all the driving routes are calculated; according to the initial states and the terminating states of the batteries at each stage, the total capacity degeneration change amounts of the batteries at each stage under different scheduling stats are sequentially calculated; and the route scheduling scheme of the pure electric buses is determined. According to the present invention, by comprehensively considering the driving characteristics of the pure electric bus, the power battery capacity degeneration characteristics, the working load characteristics and the mutual influence among the three conditions, through the reverse order matching of the bus sequences and the route sequences at each stage, the replacement number of the power batteries in the buses at each stage is minimized, and the complete utilization of the service life of the power battery within the service life of the whole bus is achieved.
Owner:XI AN JIAOTONG UNIV
Material yard hopper scale with high accuracy
PendingCN110260964AImprove weighing accuracyReduce mistakesWeighing apparatus testing/calibrationSpecial purpose weighing apparatusClamp connectionEngineering
The invention belongs to the technical field of weighing instruments, and discloses a material yard hopper scale with high accuracy. The hopper scale includes a weighting assembly and a calculating assembly used for calculating weighing results; the weighting assembly includes a weighing bucket, weighing sensors, pedestals and a servo motor; the bottom of the weighing bucket is provided with the weighing sensors; the weighing sensors are connected to a storage module and used for transmitting weighting data to the storage module to store; the bottom of the weighing bucket is provided with the servo motor; the servo motor is in clamp connection with the weighing bucket; and the bottom of the servo motor is provided with a hydraulic air cylinder used for jacking up the weighing bucket. Multi-time measuring can be performed after the servo motor rotates same angles until the servo motor rotates a circle, meanwhile, the storage module can transmit measuring results to an operation module to perform calculating, so that the mean value of the measuring results can be obtained; and through the measuring of the material center of gravity at the internal of the balance weighing bucket by rotating for many times and the measuring and calculating of the mean value for many times, errors generated by weighing can be greatly reduced, and the weighing precision of the hopper scale can be enhanced.
Owner:江苏阆达机械有限公司
Method and system for temperature control pile overturning and heat dissipation of biomass fuel on open-air material yard
InactiveCN108205346AAvoid missingEasy to useSimultaneous control of multiple variablesTime scheduleTemperature control
The invention discloses a method and system for temperature control pile overturning and heat dissipation of biomass fuel on an open-air material yard. The method includes step (1) of monitoring and recording fuel entry into a yard, and stacking according to the regulations; step (2) of monitoring moisture, temperature and impurities of a material pile; step (3) of calculating estimated time for the material pile to be heated to a critical carbonization temperature according to a preset estimation model; step (4) of optimizing a time schedule of temperature monitoring of the material pile center before the overturning according to the estimated time; step (5) of determining the pile overturning time according to the monitoring data of the material pile, and performing the overturning during the overturning time; and step (6) of repeating steps (2)-(5) after each overturning is completed until the material pile humidity meets the use requirements. The method and system are suitable forthe management of large-scale open-air biomass fuel, and the problem that all kinds of biomass fuels adopt the same monitoring standard, which wastes time and labor and is not implemented properly issolved.
Owner:JINAN WEIQUAN BIOELECTROGENESIS
Controllable top control system based on LonWorks on site bus technology
ActiveCN101377680AImprove reliabilityWill not short the inputTotal factory controlProgramme total factory controlSpeed control systemLonWorks
The present invention relates to a controllable top control system based on the LonWorks field bus technology. Based on the LonWorks field bus technology, the system links a central control room PC machine and a field controller into a network through twisted pair cables; the rolling section and the yard section are respectively provided with a speed measuring device; and the field controller are connected with the speed measuring devices. Compared with the prior art, the present invention has the advantages that the LonWorks field bus technology conveniently links all the equipment to form an interoperable network through the twisted pair cables, which greatly saves the field wiring; the speed measurement, the length measurement and the controllable top group control of each track and the rolling part are completed by the nearby filed controller, which provides high real-time performance; and the performance of the controllable top control system is superior to the completely decelerating top speed control system, and the investment in the equipment is lower than the investment in the reducer and other equipment, so the present invention is in particular suitable for medium- and small-sized hump.
Owner:CASCO SIGNAL
Full-process management and control platform for Internet of Things waste materials
PendingCN110488787AChange the difficult state of weight controlThe quantity of materials is the sameProgramme total factory controlMagnetic switchYard (length)
Owner:国网江苏省电力有限公司泗阳县供电分公司 +3
A storage yard environmental protection monitoring and sprinkler dust reduction pre-control system
ActiveCN105045314BEasy to controlThe test result is accurateSimultaneous control of multiple variablesLower limitStatistical analysis
The invention discloses a storage yard environmental protection monitoring and sprinkler dust reduction pre-control system, a storage yard environmental protection monitoring and water sprinkling dust reduction pre-control device, including a dust concentration real-time detection device, an wind speed and direction instrument, and a temperature and humidity sensor, which are respectively connected with a detection control computer. connection, the detection control computer is connected to the PLC controller, and is connected to the sprinkling and spraying equipment through the PLC controller. The present invention obtains various detection signals through each detection system, and transmits them to the detection control computer, uses the dust concentration influencing factor analysis algorithm to calculate the control judgment value d for controlling the sprinkler spray device, and compares the judgment value d with a large amount of data The empirical thresholds D1 and D2 determined by the statistical analysis method (D1 is the lower limit of control, D2 is the upper limit of control) are compared to control whether the sprinkler spray equipment sprinkles water. Solve the problem that traditional technology is difficult to achieve accurate monitoring and real-time accuracy of detection results under various environmental conditions.
Owner:QINHUANGDAO PORT
Antibacterial blended yarn and spinning process thereof
InactiveCN102011227BGuaranteed basic performanceGuaranteed antibacterial functionYarnFiberEngineering
The invention discloses an antibacterial blended yarn and a spinning process thereof. The antibacterial blended yarn is spun by 20 to 25 weight percent of bamboo carbon fiber, 35 to 40 weight percent of cotton fiber, 20 to 25 weight percent of modal fiber and 20 to 25 weight percent of tencel fiber through a semi-spinning process. The spinning process sequentially comprises dyeing, carding, drawing, roving, spinning and spooling. The bamboo carbon antibacterial blended yarn is blended by various fibers, the characteristic of each fiber is highlighted by rationally arranging a weight ratio of each fiber, and the advantages of various fibers are integrated, so that the basic performance of the yarn is kept, and the antibacterial function is also guaranteed. The adopted semi-spinning process has shorter flow than the spinning process; and the yarn is fluffier and softer than the spun yard and is more uniform and glossier than the roved yarn. The semi-spinning process has high raw material adaptability, the spinning count can be high or low, technology is popularized, equipment investment is small and occupied plant area is small.
Owner:JIANGNAN UNIV +1
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