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Gesture motion-based character recognition system and character recognition method, and application thereof
InactiveCN102737238AReduce transfer timeShow translated resultsInput/output for user-computer interactionCharacter and pattern recognitionCamera moduleOptical character recognition
The invention relates to a gesture motion-based character recognition system and a character recognition method, and application thereof. The gesture motion-based character recognition system comprises a camera module, a display module, a detection module, an area module and a recognition module. The camera module is used for capturing an image; the display module is used for displaying the captured image; the detection module is used for detecting a selected gesture motion that a user carries out in the displayed image; the area module is used for determining an area that a character that the user pays attention to is located at according to the detected gesture motion; and the recognition module is used for carrying out optical character recognition on an image in the area so as to obtain a character in a text format. According to the above-mentioned technical scheme, character recognition can be realized conveniently, rapidly and accurately, so that popularization of character recognition application can be carried out conveniently; and thus, the system, the method and the application are suitable for practical use.
Owner:LUOYANG LEISHI SOFTWARE TECH
Method and system for achieving visual presentation of client side
InactiveCN103297393AAvoid the process of logical processingShorten the development cycleTransmission3D-image renderingVisual presentationTerminal equipment
The invention provides a method and system for achieving visual presentation of a client side. The achieving method comprises the steps that a cloud server determines a visible picture of a client at present according to current information of the client at the client side in a device, the cloud server carries out rendering process on the picture and sends to rendered picture information to a terminal device where the client side is located in a picture mode, and the client side displays a corresponding picture according to the picture type information received by the terminal device. According to the method and system for achieving visual presentation of the client side, data processing capability of the cloud side is fully utilized, the client side is simplified, the development and downloading process of the client side is simplified, and processing pressure of the terminal device where client sides are located is reduced. The requirement for hardware allocation of the terminal device where the client sides are located is reduced, experience of the client side of the client is improved, and popularization and application of application software like three-dimensional network games are facilitated.
Owner:LUOYANG QUANQUANTANG BUSINESS
Intelligent vehicle locking system
InactiveCN104002761AEnsure safetySignificant progressAnti-theft devicesEngineeringElectronic control unit
The invention relates to an intelligent vehicle locking system. The system comprises an engine electronic control unit ECU, a vehicle-mounted intelligent device and a long-range monitoring device, wherein the vehicle-mounted intelligent device communicates with the engine ECU through a vehicle-mounted network, and communicates with the long-range monitoring device through a wireless communication network; the vehicle-mounted intelligent device collects the current state information of a vehicle through the vehicle-mounted network, transmits the current state information of the vehicle to the long-range monitoring device through the wireless communication network, receives a vehicle locking / unlocking signal transmitted from the long-range monitoring device, and transmits the vehicle locking / unlocking signal to the engine ECU so as to realize the automatic vehicle locking / unlocking of an engine. According to the intelligent vehicle locking system provided by the invention, the current state information of the vehicle, which is collected through the vehicle-mounted intelligent device, is transmitted to the long-range monitoring device which determines whether the vehicle locking / unlocking signal is transmitted according to the current state information of the vehicle, and the safety of long-range intelligent vehicle locking operation is effectively ensured.
Owner:SPECIAL VEHICLE TECH CENT OF HUBEI AEROSPACE TECH RES INST
Secure online upgrade method and system for tax control equipment software
The invention provides a secure online upgrade method and system for tax control equipment software. The secure online upgrade method comprises the steps that: a terminal sends a tax control equipment identifier that is encrypted based on a first key to a network end; the network end decrypts the tax control equipment identifier via a second key, and sends a communication key that is encrypted based on a third key, an upgrade data packet that is encrypted based on the communication key and a digital signature to the terminal, when determining that the tax control equipment identifier is a credible tax control equipment identifier and that the terminal has software upgrade authority; the terminal decrypts the communication key via a fourth key, obtains an upgrade data packet plaintext via the communication key, obtains a first abstract corresponding to the digital signature via the communication key and the first key, and executes an upgrade operation of the tax control equipment software, when determining that the upgrade data packet plaintext is a complete and effective upgrade data packet plaintext according to the first abstract and a second abstract that is calculated based on the upgrade data packet plaintext. The secure online upgrade method provided by the invention is used for guaranteeing the security and integrity of data transmission in an upgrade process and reducing the upgrade cost of the tax control equipment software.
Owner:AEROSPACE INFORMATION
Signal detection and control equipment and traffic signal failure automatic inspection system
InactiveCN103971532ALearn about workGuaranteed uptimeTraffic control supervisionTraffic signalSignal conditioning
The invention relates to signal detection and control equipment and a traffic signal failure automatic inspection system. The system comprises an upper computer and a plurality of signal detection and control equipment. The upper computer and the signal detection and control equipment are connected through a wireless communication network. The signal detection and control equipment comprise interface circuits, acquiring modules, signal conditioning modules, main controllers, wireless communicating modules and power management modules. The interface circuits are connected to traffic signal terminal equipment, the acquiring modules are connected to the interface circuits and are used for acquiring electrical parameters of the traffic signal terminal equipment, the signal conditioning modules are used for determining failures of the traffic signal terminal equipment by the fuzzy neural algorithm according to conditioned acquired signals, producing corresponding traffic signal failure alarming information when the failures of the traffic signal terminal equipment are determined, and transmitting to the upper computer through the wireless communicating modules. By the aid of the traffic signal failure automatic inspection system, intelligent remote management and maintenance of the traffic signal terminal equipment can be implemented.
Owner:北京桓润世嘉科技有限公司
Surface collapse microseism three-dimensional positioning and monitoring method and system
InactiveCN103412283AImprove monitoring accuracyImprove timelinessTransmission systemsPosition fixationData acquisitionEngineering
The invention relates to a surface collapse microseism three-dimensional positioning and monitoring method and system. The system comprises a plurality of detectors, at least one data collecting station and a control center, wherein the data collecting station is used for converting analog electrical signals collected by the detectors into digital monitoring signals and sending the digital monitoring signals to the control center through a wireless transmission network, the control center is used for receiving the digital monitoring signals transmitted from the data collecting station and conducting the focus inversion operation according to the digital monitoring signals, therefore, the focus can be positioned, and three-dimensional display imaging is achieved. The data collecting station comprises an input filter, a pre-amplifier, an analog-to-digital conversion module, a logic control unit, a data encoder, a wireless data transmission interface and a power module. According to the technical scheme, surface collapse can be easily, conveniently, timely, accurately and inexpensively monitored in real time.
Owner:CENT FOR HYDROGEOLOGY & ENVIRONMENTAL GEOLOGY CGS
Clock generating method and clock generating circuit for CMOS (complementary metal oxide semiconductor) without crystal oscillator
InactiveCN102638247AAvoid damageReduce volumePulse automatic controlElectric pulse generator circuitsSoi cmos technologyDigital controlled oscillator
The invention relates to a clock generating method and a clock generating circuit for a CMOS (complementary metal oxide semiconductor) without a crystal oscillator. The clock generating method includes: generating high-frequency sine oscillation signals by a digital-control oscillator; converting the high-frequency sine oscillation signals into square-wave signals output in single-end mode; underclocking the square-wave signals to obtain clock signals of preset frequency according to preset fractional frequency; regulating duty ratio of the clock signals so that the duty ratio of the clock signals can meet the requirement of preset duty ratio of clock, and outputting the clock signals, wherein a variable capacitor array in the digital-control oscillator is controlled by frequency locking control information. A method for setting the frequency locking control information includes: generating frequency control information according to frequency difference between output signals of an external crystal oscillator and the clock signals underclocked. By the clock generating method, the clock generating circuit can be smaller in size and lower in power consumption, low-cost CMOS technology can be realized in chips, and accordingly, integrity and stability of the system are improved, system realizing cost and power consumption are reduced.
Owner:ANHUI UNIVERSITY
Method and device for collecting stumpage information
InactiveCN105571561AImprove convenienceEasy and accurate calculationPhotogrammetry/videogrammetryHeight/levelling measurementAngle of viewMobile electronics
Owner:ZHEJIANG FORESTRY UNIVERSITY
Method for assembling rotary kiln
ActiveCN102706139AEasy, quick and accurate installationEasy to install and detectRotary drum furnacesEngineeringRotary kiln
The invention relates to a method for assembling a rotary kiln. The method for assembling the rotary kiln includes steps: respectively marking out end face center points on two end faces of each section of a barrel of the rotary kiln pertinently; erecting a laser emitting device which emits laser beams according to the technique inclination of the rotary kiln; adjusting relative positions of the laser emitting device and a preset section so as to enable the laser beams to shoot the center points of the two end faces of the preset section provided with a transmission gear to establish a laser datum line; sequentially adjusting positions of the other sections except the preset section according to the distances from the other sections to the laser emitting device from near to far so that distances from the shooting position of the laser datum line on each end face to the center point of the end face in an X-direction and a Y-direction are within a preset error range; and fixedly connecting the sections. By the aid of the technical scheme of the method for assembling the rotary kiln, the rotary kiln can be conveniently and rapidly assembled, measuring accuracy can be improved, deviation is avoided to the greatest extent, and design requirements of the rotary kiln are met.
Owner:中色十二冶金建设有限公司
Standing tree information acquisition method and device based on images
InactiveCN105513078ARealize acquisitionRealize batch collectionImage enhancementImage analysisTransformation parameterInformation acquisition
The invention relates to a standing tree information acquisition method and device based on images. The method comprises the steps that calibration parameters of a camera are obtained, and the calibration parameters are coordinate transformation parameters between a world coordinate system and an image coordinate system; the images which include measured standing trees and are photographed based on the calibration parameters are obtained; the number of pixels corresponding to the measured parameters of the measured standing trees in the images is metered; and the measured parameters of the measured standing trees are calculated according to the number of the pixels corresponding to the measured parameters, the number of the pixels corresponding to a reference object in the images photographed based on the calibration parameters and the coordinates of the reference object in the world coordinate system inversely calculated based on the calibration parameters. According to the technical scheme, standing tree information acquisition convenience and information acquisition efficiency can be effectively enhanced, and realization cost of standing tree information acquisition can be reduced at a larger extent.
Owner:ZHEJIANG FORESTRY UNIVERSITY
Goods shelf supplement system based on internet of things
The invention provides a goods shelf supplement system based on the internet of things. The goods shelf supplement system comprises a goods supply side portion and a goods supplied side portion, wherein the goods supplied side portion comprises at least one goods sensor frame which is provided with a sensor module used for collecting and outputting goods quantity information, and at least one goods management device connected with one or more sensor modules so as to generating goods quantity information of products on the goods sensor frame according to received goods quantity information; an inventory management device of the goods supply side portion obtains data and commands through a communication system, displays inventory of products on the goods supplied side according to the goods quantity information and prompts inventory alarming information according to the goods quantity information and corresponding inventory low-values and / or inventory high-values. The goods shelf supplement system can automatically sense inventory information through a goods shelf and tell suppliers the inventory information directly, so the goods supply side and the goods supplied side can learn about the inventory conditions of the goods supplied side at any time, labor cost is saved and management efficiency is improved.
Owner:LUOYANG AOKAI FUHUI INFORMATION TECH
Cutting method of Z-shaped notch of H-shaped steel
ActiveCN102632313AGuaranteed internal stressMaintain internal stress balanceGas flame welding apparatusEngineeringInternal stress
The invention relates to a cutting method of a Z-shaped notch of H-shaped steel. The H-shaped steel is placed in the horizontal direction of a web plate. One cutting method comprises the following steps: firstly, cutting the web plate of the H-shaped steel according to the middle cutting edge of the Z-shaped notch; then cutting joints of the web plate of the H-shaped steel and wing plates at two sides respectively according to cutting edges at two sides of the Z-shaped notch so as to peel off partial connection between the web plate and the wing plates at two sides; and finally cutting the wing plates at two sides to form two sections of H-shaped steel with Z-shaped notches. The other cutting method is basically the same as the cutting method, and the only difference between the two cutting methods is that the execution sequence of the first cutting step and the second cutting step is changed. The technical scheme provided by the invention can be used for effectively avoiding adverse effects caused by internal stress in the cutting process and reducing the investment in lifting operation, thereby improving the cutting yield of the H-shaped steel, improving the working efficiency, and reducing the construction cost.
Owner:中色十二冶金建设有限公司
Method for honeybee pollination to watermelon in facility
InactiveCN102783406AQuality improvementGood effectPlant genotype modificationFlowering seasonPropagation time
The invention relates to a method for honeybee pollination to watermelon in a facility. The method comprises the followings: the propagation time of colonies for pollination is 40 to 50 days before moving to the facility; the breed is western honey bee; 2 to 3 piece of honeycombs and about 5000 bees are included in one beehive; an insect prevention screen is mounted; the application of various farm chemicals inside the facility is prevented, and systemic insecticide is prevented from being applied; the temperature is controlled to be 22 to 28 DEG C, and the relative humidity level is 50 to 80 percent; during early flowering season of watermelon, colonies for pollination are put into the facility; the beehive is placed in the center of the facility, which is 0.5 to 1 meter far from the ground, and a sunshield device is arranged above the beehive; a hive entrance faces to the south or the north; one box of pollination honeybee is arranged inside a 600 to 700.2 meter shed; the bee colonies is in standing for 15 to 30 minutes after moving into the facility, the hive entrance is opened slowly; the pollination time is 6 to 10 days; and after pollination and the honeybees going back to the honeycomb, the hive entrance is closed, and the bee colonies are evacuated. The invention provides standard specification for pollination to watermelon in the facility so as to guide planting personnel.
Owner:BEIJING ACADEMY OF AGRICULTURE & FORESTRY SCIENCES
Method and device for estimating forest above-ground biomass
InactiveCN104361592AAccurate estimateAvoid problemsImage enhancementImage analysisAbove groundStructure of the Earth
The invention relates to a method and device for estimating forest above-ground biomass. The method comprises the steps that perpendicular distribution of the relative reflectivity of pixels is estimated for a pair of preprocessed polarization interference SAR images by using a Legendre expansion equation of multiple correlation of the pixels in the perpendicular direction; scattering type distinguishing is conducted on all the pixels in the preprocessed main image, areas formed by all volume scattering type pixels in the image are regarded as forest areas, and object-oriented partition is conducted, so that a plurality of polygon forest stands representing homogeneity forest objects are obtained; for all the polygon forest stands, average relative reflectivity perpendicular structural sections are calculated respectively, and parameterized processing is conducted on the average relative reflectivity perpendicular structural sections; a multi-element linear forest above-ground biomass estimation model is established according to multiple obtained parameters, and the forest above-ground biomass of the polygon forest stands is calculated through the multi-element linear forest above-ground biomass estimation model. According to the technical scheme, the forest above-ground biomass can be more accurately estimated.
Owner:RES INST OF FOREST RESOURCE INFORMATION TECHN CHINESE ACADEMY OF FORESTRY
Method and device for achieving dual-card-two-standby quick communication
InactiveCN103857069AAvoid the phenomenon of buttons corresponding to eachImprove experienceSubstation equipmentWireless communicationGraphicsGraphical user interface
The invention provides a method and device for achieving dual-card-two-standby quick communication. The method comprises a touch screen of a mobile communication terminal with two mobile user communication identification codes, wherein the touch screen is divided into two areas, and the areas corresponds to the mobile user communication identification codes respectively. The method comprises the following steps that a dragging path of a communication trigger button displayed on the touch screen is detected, the corresponding area of the dragging path is judged, and a current mobile communication operation is carried out by the adoption of the mobile user communication identification code corresponding to the corresponding area and the mobile user communication identification code of the other party of the current mobile communication. The method provides an achievement way of operating the mobile communication conveniently, and user experience is improved, layout of the graphical user interface is also simplified.
Owner:SHENZHEN K FREE WIRELESS INFORMATION TECH
Driving test system based on global position system (GPS)
InactiveCN103136984ALow costAcquire fast, convenient and accurateSatellite radio beaconingTeaching apparatusGps positioning systemGps positioning
The invention relates to a driving test system based on a global position system (GPS). The driving test system comprises a GPS positioning system and a master control device. The GPS positioning system comprises two GPS receiving antennas and a GPS positioning signal processor, wherein the two GPS receiving antennas are arranged on a test car and receive and output GPS positioning signals. The GPS positioning signal processor receives GPS positioning signals output by the two GPS receiving antennas and determines the coordinate positions of the two GPS receiving antennas according to the GPS positioning signals. The marker coordinate position in the test item is pre-stored in the master control device; and the master control device calculates the coordinate position of a preset portion of the test car in a preset coordinate system according to the coordinate positions of the two GPS receiving antennas, and determines the position relation of a marker and the preset portion of the test car in the preset coordinate system according to the marker coordinate position and the coordinate position of the preset portion of the test car. The driving test system reduces achievement cost and improves applicability of an electronic test system.
Owner:王恩惠
Surface collapse optical fiber monitoring and early warning system and method
InactiveCN102903209ASimple hardware structureReduce volumeHeight/levelling measurementAlarmsEarly warning systemFiber
The invention relates to a surface collapse optical fiber monitoring and early warning system and a surface collapse optical fiber monitoring and early warning method. The method comprises the following steps of: generating an optical signal, so that the optical signal enters a tested optical fiber; receiving an echo signal in the tested optical fiber, and converting the echo signal into an electric signal; performing signal conditioning processing on the electric signal; converting the conditioned electric signal into a digital signal; caching the digital signal; calculating the transmission distance of an optical signal which corresponds to the cached digital signal in the tested optical fiber, and calculating a corresponding fiber loss value according to the transmission distance; and comparing the calculated fiber loss value with a preset threshold value, and performing surface collapse early warning according to the comparison result. According to the method, the surface collapse monitoring can be easily, conveniently, rapidly and accurately realized, and surface collapse early warning is timely performed.
Owner:CENT FOR HYDROGEOLOGY & ENVIRONMENTAL GEOLOGY CGS
Unit continuous lighting system
InactiveCN103889103AEnhanced Lighting ControllabilityLow costElectric light circuit arrangementElectric power systemStandby power
The invention relate to a unit continuous lighting system which comprises a continuous lighting power supply device, at least one control device and at least one light source module. The continuous lighting power supply device is connected with a city power supply, a standby power supply and the control devices. The continuous lighting power supply device converts electric power input by the city power supply or the standby power supply according to the power supply specification needed by the control devices. The continuous lighting power supply device notifies each control device when the city power supply and the standby power supply carry out power supply switching. Each control device is respectively connected with one or more light source modules. When the control device determines that the city power supply switches to the standby power supply according to a notification, the control device controls the lighting of the light source modules which are connected with the control device according to the pre-stored lighting set parameters. The lighting source modules carry out corresponding lighting under the control of the control device which is connected with the lighting source modules. According to the invention, corresponding coping processing can be carried out according to an electric power source; the control flexibility of a lighting light source is improved; and the low cost of continuous lighting is ensured.
Owner:LUOYANG PINRUI ELECTRONICS
Method and system for rapidly completing text editing through pressure touching technology
InactiveCN105573624AReduce stepsReduce fatigueNatural language data processingSpecial data processing applicationsText editingPressure sense
The invention discloses a method and system for rapidly completing text editing through the pressure touching technology. The method is characterized by including the steps that text content information of a text editing area shown by a touching screen is selected in a pressing mode, and a cursor is generated; the pressing pressure value of the pressing cursor is sensed through a pressure sensing module, and when the pressing pressure value exceeds a default value, a processing module generates a pressure sensing triggering signal; the pressing times of the cursor in default time are computed through a counting module; according to the pressing times, the processing module determines a copying order or a cutting order to perform text content information copying or text content information cutting, a default text pasting area shown by the touching screen is clicked, the default text pasting area is pressed once in default time to generate a pasting touching signal, and the text content information is pasted according to the pasting touching signal.
Owner:SHENZHEN TINNO WIRELESS TECH
Tubing chipless cutting device
ActiveCN103157847AAvoid pollutionImprove cutting efficiencyTube shearing machinesShearing machine accessoriesHydraulic motorGear wheel
The invention discloses a tubing chipless cutting device. The tubing chipless cutting device comprises a machine body device, a driving system, a clamping mechanism and a pre-tight mechanism. The machine body device comprises a machine body (1), a left end cover (2), a right end cover (3) and a bolt supporting roller group (5), wherein the bolt supporting roller group is installed on the left and the right end covers (2,3). The driving mechanism comprises a hydraulic motor (19), a pinion (18) and a big gear wheel (4). The clamping mechanism comprises three climbing liner plates (6) of an inner circle of the big gear wheel (4), three sector blocks (7), a left lateral plate (8), a right lateral plate (9) and three sliding blocks (12). The pre-tight mechanism comprises a cylindrical brake cylinder (13), a brake band (21), a connecting plate (23), a screw pillar (22) and a nut (24), wherein the cylindrical brake cylinder (13) is connected with the left lateral plate (8), the brake band (21) is installed outside the cylindrical brake cylinder (13), and the connecting plate (23) can connected the brake band (21) on the left end cover (2). The tubing chipless cutting device can improve cutting efficiency and avoid environmental pollution.
Owner:海亦(河南)机械有限公司
Method and system for quickly and accurately positioning character cursor through pressure touch technology
InactiveCN105739781AEasy to viewImprove experienceInput/output processes for data processingComputer graphics (images)Pressure sense
The invention relates to a method and a system for quickly and accurately positioning a character cursor through a pressure touch technology. The method is characterized by comprising the following steps: through a character editing area displayed by a touch screen, utilizing a pressure sensing module to sense a pressing pressure value generated by pressing the touch screen; when the pressing pressure value exceeds a default, causing a processing module to start a precise positioning character cursor on a pressing position; according to the precise positioning character cursor, amplifying to display the character editing area of the position of the precise positioning character cursor, and sliding on the touch screen to move the position of the precise positioning character cursor; and finally, when the touch screen stops being pressed, causing the touch screen to recover to a normal display state.
Owner:SHENZHEN TINNO WIRELESS TECH
Hopper unchoking device
InactiveCN103910150AImplement automatic detectionImprove dredging effectLarge containersControl signalAcute angle
The invention relates to a hopper unchoking device. The hopper unchoking device comprises a photoelectric sensor, a control circuit and a blockage removal unit. The photoelectric sensor comprises at least one group of through beam photoelectric sensors including an optical transmitting sensor and an optical receiving sensor. The control circuit is used for judging whether a hopper is blocked or not according to optical signals received from the optical transmitting sensor by the optical receiving sensor so as to determine outputting control signals for starting or stopping the blockage removal unit. The blockage removal unit comprises a motor, at least one transmission chain, at least one pair of sprockets, at least one operation chain and a plurality of scrape plates, wherein the at least one pair of sprockets are mounted at the top and the bottom of the inner side wall of the hopper, the at least one operation chain surrounds the inside and the outside of the hopper and is mounted on the at least one pair of sprockets, the plurality of scrape plates are mounted on the at least one operation chain, an acute angle larger than 0 degree is formed between each scrape plate and the operation chain along the moving direction, and the operation chain in an operating state rotates in the hopper from top to bottom. The hopper unchoking device is capable of automatically detecting and removing blockage of the hopper without human intervention.
Owner:武汉钢铁有限公司
Optical fiber microscope endoscope probe
ActiveCN103913834AReduce the difficulty of processing and assemblySmall form factorTelescopesMountingsEndoscopeMicroscope
The invention relates to an optical fiber microscopic endoscope probe. The optical fiber microscopic endoscope probe comprises a miniature microscope objective set and an imaging optical fiber bundle. The imaging optical fiber bundle is arranged in rear of the miniature microscope objective set. The miniature microscope objective set comprises a first lens element, a second lens element, a third lens element and a fourth lens element, wherein the first lens element is arranged in the foremost portion of the miniature microscope objective set, the surface of the first lens element is soaked with water, the second lens element is arranged in rear of the first lens element, the third lens element is arranged in rear of the second lens element, and the fourth lens element is arranged in rear of the third lens element and located in front of the imaging optical fiber bundle. The miniature microscope objective set of the optical fiber microscope endoscope probe comprises the four lens elements, the machining and assembling difficulty is greatly reduced, the boundary dimensions are effectively reduced, and the optical fiber microscopic endoscope probe can enter the human body through a work channel of a convectional endoscope.
Owner:JINGWEI SHIDA MEDICAL TECH WUHAN CO LTD
Method and system for accurately positioning text cursor
InactiveCN105744062AEasy to viewImprove experienceSubstation equipmentComputer graphics (images)Text editing
The invention discloses a method and a system for accurately positioning a text cursor. The method is characterized by comprising the following steps: starting the cursor through clicking a text editing area displayed by a touch screen; clicking the cursor and calculating a time length for clicking the cursor with a timing module; when the time length exceeds a default value, enabling a processing module to start the accurately positioned text cursor at the cursor position; amplifying the text editing area for displaying the cursor position according to the accurately positioned text cursor and sliding the touch screen to move the cursor position; and at last, when stopping to click the touch screen, the touch screen is restored to a normal display state.
Owner:SHENZHEN TINNO WIRELESS TECH
Dormancy control circuit
ActiveCN103832289AReduce consumptionSignificant progressVehicular energy storageElectric propulsionControl signalEngineering
The invention discloses a dormancy control circuit. The dormancy control circuit comprises two optical couplers, a relay and a driving circuit. The input end of the first optical coupler is connected with the control signal output end of a battery managing system of an electric car, a collector of the first optical coupler is connected with a power source of the electric car, and an emitter of the first optical coupler is connected with the driving circuit. The input end of the second optical coupler is connected with the control signal output end of a key switch circuit of the electric car, a collector of the second optical coupler is connected with the power source of the electric car, and an emitter of the second optical coupler is respectively connected with the monitoring end of the driving circuit and the monitoring end of the battery managing system. The driving circuit drives the relay to be connected / disconnected under the control of the first optical coupler and the second optical coupler. By means of the dormancy control circuit, the consumption of battery electric quantity of the electric car by the battery managing system is effectively reduced under the flameout state of the electric car.
Owner:凯迈(洛阳)电子有限公司
Detection method for strip steel local high point
InactiveCN103920723ASolve difficultySolve the errorMeasuring devicesMetal rolling arrangementsVisual inspectionStrip steel
The invention relates to a detection method for a strip steel local high point. The detection method includes the steps that the thickness of the cross section of strip steel is measured; the strip steel in a designated range is divided into n sections in the width direction of the strip steel, n is a natural number larger than one, and the thickness differences of three continuous equal diversion points are calculated; if the thickness differences of the three continuous equal diversion points reach a set threshold value, the local high point is determined to exist within the designated range, and the maximum value in the thickness differences, obtained through calculation within the designated range, of the three continuous equal diversion points is taken as the representative value of the local high point; the position of the local high point and the representative value of the local high point within the designated range are taken as the detection value of the local high point within the designated range. The strip steel local high point is detected automatically, and the problems that manual visual inspection is large in detection difficulty and error are solved.
Owner:武汉钢铁有限公司
Constant-voltage and constant-current control circuit applied to power supply technology
ActiveCN102999073AImprove the accuracy of voltage and current regulationRealize remote controlElectric variable regulationRemote controlVoltage control loop
The invention relates to a constant-voltage and constant-current control circuit applied to the power supply technology. The constant-voltage and constant-current control circuit comprises a voltage control loop applied to the power supply technology, a current control loop applied to the power supply technology and an optical coupler. The voltage control loop and the current control loop are serially connected, an input end of the optical coupler is connected with a voltage output end of the voltage control loop, and the other input end of the optical coupler is connected with a voltage output end of the current control loop; an input end of the voltage control loop serves as a voltage feedback sampling input end in the power supply technology, and the other input end of the voltage control loop serves as a reference voltage input end; and an input end of the current control loop serves as a current feedback sampling input end in the power supply technology, and the other input end of the current control loop serves as a reference voltage input end. By means of the technical scheme, a switch power source and a charging device can provide constant-voltage and constant-current power source, remote control and energy conservation can be achieved, and the constant-voltage and constant-current control circuit improves power utilization safety and is very practical.
Owner:洛阳嘉盛新能源科技有限公司
Low-energy-consumption safety data fusion method and device
InactiveCN103442352AAvoid energy lossReduce the number of communicationsPower managementTransmissionData transmissionCluster based
The invention relates to a low-energy-consumption safety data fusion method and a low-energy-consumption safety data fusion device. The method comprises the following steps: segmenting data acquired by each node in a cluster into three pieces, wherein one piece of segmented data is remained in the node per se, and the other two pieces of segmented data are transmitted to two neighbor nodes closest to the node respectively; transmitting the segmented data remained in the node per se and the received segmented data to a cluster head node in the cluster by each member node in the cluster based on a minimum spanning tree path; performing data fusion in the cluster by the cluster head node based on the segmented data remained by the cluster head node and the segmented data transmitted by each member node to generate fused data in the cluster. According to the technical scheme provided by the invention, the communication distance and the communication frequency between the nodes in the cluster are greatly reduced on the premise that the safety performance of data fusion is slightly affected, so that the energy consumption and the communication overhead of the nodes in the cluster are effectively reduced.
Owner:BEIJING UNIV OF POSTS & TELECOMM
Data collection system
InactiveCN103166637AImprove accuracyResolve the actual outputPhysical parameters compensation/preventionDigital conversionVoltage reference
The invention relates to a data collection system comprising an AduC7060 chip. Base pins, with numbers from ADC0 to ADC9, of the chip are input ends of analog signals and the chip outputs voltage sampling quantity; a voltage reference source arranged in an integrated mode inside the chip is used as a voltage reference source of analog-digital conversion, and a temperature sensor arranged in an integrated mode inside the chip is used for measuring current temperature of the chip; the chip compensates output voltage sampling quantity according to measured current temperature; and the chip is connected with a serial port and exchanges information with an upper computer through the serial port. According to the technical scheme, accuracy of the analog-digital conversion of the data collection system can be improved effectively and the data collection system is quite practical.
Owner:LUOYANG TIANSHU PHOTOELECTRIC TECH
Unified-distribution interchangeable sole die
The invention discloses a unified-distribution interchangeable sole die. The unified-distribution interchangeable sole die comprises an upper die and a lower die. The upper die mainly comprises an upper die carrier provided with at least one upper die cavity, at least one convex die detachably arranged in the upper die cavity, and at least one fastener which is used for fastening the convex die in the upper die cavity. The lower die mainly comprises a lower die carrier provided with at least one lower die cavity, at least one concave die detachably arranged in the lower die cavity, at least one fastener which is used for fastening the concave die in the lower die cavity, and an injection channel which is used for communicating the outer part of the unified-distribution interchangeable sole die with an accommodating space formed by the concave die. The unified-distribution interchangeable sole die is capable of reducing raw materials consumed for manufacturing sole dies effectively, shortening processing time of sole dies effectively, and reducing cost of sole dies.
Owner:潘诸亮
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