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39 results about "Front Controller pattern" patented technology
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The front controller software design pattern is listed in several pattern catalogs and related to the design of web applications. It is "a controller that handles all requests for a website", which is a useful structure for web application developers to achieve the flexibility and reuse without code redundancy.
Comprehensive plant production management system and method
InactiveCN102156923ARealize fully automatic collection and monitoringThe growth environment is clearly understoodData processing applicationsWatering devicesMonitoring systemEngineering
The invention discloses a comprehensive plant production management system and an implementation method thereof. The comprehensive plant production management system comprises an environment monitoring system, a front controller and a background management center, wherein the environment monitoring system acquires growth environment parameters and growth status parameters of plants in a production field; the front controller uploads the growth environment parameters and the growth status parameters to the background management center, and controls a production management subsystem to execute corresponding production management operations according to control instructions sent by the background management center; and the background management center receives the growth environment parameters and the growth status parameters uploaded by the front controller, and sends the control instructions to the front controller. In the system, as the growth environment parameters and the growth status parameters of the plants in the field are acquired, and are uploaded to the background management center through a network, the background management center can automatically analyze the growth environment parameters and the growth status parameters, or sends the control instructions to the front controller through a human-machine interaction means to control the production management subsystem to perform corresponding production management operations on the plants according to the control instructions, therefore the probability of needing a person to visit the production field is reduced, and the production efficiency is improved.
Owner:华建武 +1
Solar multi-conjugate adaptive optical system
ActiveCN102621687ARealize high-resolution imagingSimplify the difficulty of decouplingOptical measurementsOptical elementsHigh resolution imagingCoupling
The invention provides a solar multi-conjugate adaptive optical system. The solar multi-conjugate adaptive optical system comprises a lower atmospheric wave front sensor, a middle and upper atmospheric wave front sensor, a lower atmospheric wave front corrector, a middle and upper atmospheric wave front corrector, a wave front controller, an optical relay system, an imaging subsystem and other necessary optical components. The system has the advantages that sunspots or grain structures on the surface of the sun are taken as beacons and wave front detection is conducted on multiple areas at the same time, so as to obtain wave front distortion caused by turbulence in a large field range; wave front aberration caused by different turbulent layers is calculated by utilizing a tomography algorithm; and at last, the wave front correctors positioned in conjugate positions of the corresponding turbulent layers are controlled to correct the atmospheric turbulence in a layered manner, so as to finally realize high-resolution imaging in the large field range. The solar multi-conjugate adaptive optical system has the advantages that the sequence of the conjugate positions of the high and the lower turbulent layers is adjusted through the optical relay system, so that the lower turbulent layer is firstly compensated and corrected and the accuracy of the detection and the correction is increased; and due to the use of the tomography algorithm, errors caused by the coupling of the wave front aberrations of the different turbulent layers are reduced.
Owner:INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI
Self-adaptation optical system near-field wave-front sensor calibration device and calibration method based on phase-diversity method
InactiveCN102889935ARealize full optical path aberration correctionImproved wavefront controlOptical measurementsTesting optical propertiesWavefront sensorPupil
The invention discloses a self-adaptation optical system near-field wave-front sensor calibration device and a calibration method based on a phase-diversity method. The self-adaptation optical system near-field wave-front sensor calibration device consists of a wave-front corrector, a spectroscope, a near-field wave-front sensor, a wave-front controller, an imaging system and a phase-diversity wave-front sensor. According to the method, the phase-diversity wave-front sensor is used for measuring the static aberration of the whole system, and the wave-front controller is used for controlling the wave-front corrector to correct the static aberration; and after the static aberration is corrected, the zero point at the reference position of the near-field wave-front sensor at the pupil plane position is calibrated or the zero point of the absolute aberration is set, and the two zero points are used as the wave-front control objective of the self-adaptation optical system to effectively correct the static aberration of the whole optical path. According to the self-adaptation optical system near-field wave-front sensor calibration device and the calibration method, the static aberration of the whole optical path can be effectively corrected, the wave-front control error caused by the non-linear response of the corrector can be avoided, and the correction capability of the self-adaptation optical system can be improved obviously without obviously increasing the system complexity and the additional aberration.
Owner:INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI
A remote monitoring method for implementing state of hard disk back broad
InactiveCN104008035AEasy maintenanceReasonable designHardware monitoringTransmissionOn boardComputer terminal
The invention discloses a remote monitoring method for implementing hard disk back broad, and belongs to the field of computer electronic equipment. An on-board BMC (Baseboard management controller) management model in the mainboard of system is integrated, and I2C link with backboard communication of is reservation; the hard disk is connected with mainboard and front controller by hard disk backboard, and new I2C interface is increased in hard disk backboard. On the one hand the hard disk backboard shows the status information of hard disk on real time by the Status Indicator of local used hard disk, on the other hand the BMC (Baseboard management controller) management module of main broad read the status information of hard disk in the hard disk backboard by the I2C link, transmitting state information acquired to the remote terminal surface and showing the information. The Remote monitoring?method for hard disk?back?state is realized by the invention, to let maintainer obtain work state of the hard disk without accessing the server room, to maintain hard disk conveniently, to guarantee normal operation of the machine, to improved work efficiency, and to reduce labor intensity of workers.
Owner:LANGCHAO ELECTRONIC INFORMATION IND CO LTD
Solar adaptive optical system based on composite Shack-Hartmann wave-front sensor
The invention discloses a solar adaptive optical system based on a composite Shack-Hartmann wave-front sensor. The system comprises a tilting mirror, a deformable mirror, an accurate-tracking wave-front sensor, the composite Shack-Hartmann wave-front sensor and a wave-front controller. The composite Shack-Hartmann wave-front sensor comprises two sets of micro lens arrays and can select the micro lens array with the corresponding sub-aperture number to perform wave-front detecting and correcting according to atmospheric turbulences of different intensities and different detecting beacons. When the atmospheric turbulences are weak, solar granulation is used as the detecting beacon, and the micro lens array with less sub-aperture is selected to perform wave-front detecting; when the atmospheric turbulences are strong, macula is used as the detecting beacon, and the micro lens array with more sub-aperture is selected to perform wave-front detecting. The solar adaptive optical system has the advantages that the performance of the solar adaptive optical system is increased without increasing hardware complexity, and system application range is expanded.
Owner:INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI
Wave front-distortion laser device in corrected resonance cavity
InactiveCN1941523AIncrease output powerHigh beam qualityOptical resonator shape and constructionOptical elementsResonant cavityHigh power lasers
The invention is concerned with the high-power laser equipment that is using auto-adapted optical technology to adjust the wave-front distortion in the resonant cavity, including: at least two cavity lens, at least one distortional lens, at least one laser crystal, the pumping light, the reflecting lens, at least one splitting beam lens, the wave-front detecting analysis equipment, the driving equipment, at least one tilting lens. The invention is: adds the wave-front controller that is simple structure, low coat and higher controlling precision in the original auto-adapted optical laser system in order to equalize the more tilting aberration in the cavity; uses the distortion lens of the auto-adapted system to equalize the other aberration except the tilting aberration in order to magnify the adjusting effect and ability of the auto-adapted optical system in the laser cavity.
Owner:INST OF PHYSICS - CHINESE ACAD OF SCI
On-vehicle audio video control device
InactiveUS6845308B2Electric devicesDigital data processing detailsFront Controller patternVideo equipment
Owner:PANASONIC CORP +1
Interactive video clipping system and interactive video clipping method
ActiveCN105142029ARealize online editingWill not change the formatSelective content distributionVideo playerInteractive video
The invention discloses an interactive video clipping system and an interactive video clipping method. A pre-controller is arranged at a host terminal and used for controlling a video player to be synchronous with the pre-controller; a video in the video player is loaded and the duration of the video is obtained; clipping, caption inserting or exercise inserting is performed on the video according to an operation of a user, and the video player is controlled to play the clipped, caption inserted or exercise inserted video; online edition of the video is thus realized, and the format and content of the original video are not changed; for playing, the pre-controller is used for achieving the effect of video clipping. The video is enabled to have the interactive function by virtue of caption and exercise insertion, rather than single playing.
Owner:BEIJING CLOUD SPOWER EDUCATION & TECH
Power matching method for electric tractor
InactiveCN109747404AImprove efficiencyWide torque rangeElectric propulsion mountingControl devicesLow noiseHigh torque
The invention discloses a power matching method for an electric tractor. A power output shaft transmission box, a second differential box, a rear transmission, a first driving motor, a front controller, a rear controller, a first differential box, a front axle transmission and a second driving motor are included. According to the power matching method of the electric tractor, the motor efficiencyduring working is high, the rotating speed range of an efficient area is wide, the transmissions with 1-3 gears can be adopted, a transmission system is simplified, meanwhile, the motor high-torque range is wide, the torque reserve coefficient is high, the start-up and acceleration properties are superior to the start-up and acceleration properties of a traditional internal combustion engine, compared with an ordinary fuel vehicle, the advantages of zero emission, low noise, easy operation and the like are further achieved, the power matching method is an optimal alternative scheme for solvingthe various problems confronted by the fuel vehicle, through arrangement of the power output shaft transmission box, power supply of a rear agricultural machine is convenient, through arrangement ofa PTO clutch, the power output shaft transmission box can be conveniently disconnected and connected, and some drawbacks of the internal combustion engine type tractor can be effectively overcome.
Owner:LUOYANG INTELLIGENT AGRI EQUIP RES INST CO LTD
Multi-band high-resolution tomographic imaging device for solar atmosphere based on adaptive optical system
ActiveCN104501973AEliminate the effects ofImprove signal-to-noise ratioOptical measurementsMaterial analysis by optical meansMulti bandBeam splitter
The invention discloses a multi-band high-resolution tomographic imaging device for solar atmosphere based on an adaptive optical system. The multi-band high-resolution tomographic imaging device for the solar atmosphere based on the adaptive optical system is mainly composed of a collimating mirror, a wave front corrector, a shrinkage beam system, a dichroic beam splitter, a shack-hartmann wave front sensor, a fine tracking wave front sensor, a wave front controller, a blue light imaging channel, a red light imaging channel, a near infrared imaging channel and a data storage system. Different bands of sunlight are corresponding to different heights of the solar atmosphere. The multi-band high-resolution tomographic imaging device for the solar atmosphere based on the adaptive optical system realizes the high-resolution tomographic imaging of the solar atmosphere through simultaneously imaging multiple bands of sunlight and using the adaptive optical system to eliminate the influence of atmosphere turbulence on ground-based telescope imaging. The multi-band high-resolution tomographic imaging device for the solar atmosphere based on the adaptive optical system uses the adaptive optical system to guarantee the space definition of images, multiple bands of sunlight enter different imaging channels successively according to the wavelength, and the energy utilization of each imaging channel is improved. The multi-band high-resolution tomographic imaging device for the solar atmosphere based on the adaptive optical system has an important application prospect in the sun observation field and is significant for the solar physics research.
Owner:INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI
IGBT (Insulated Gate Bipolar Translator) driving circuit for novel high-frequency high-voltage switching power supply
InactiveCN102355123AReduce mutual interferenceFast switching responsePower conversion systemsEngineeringHigh pressure
The invention relates to an IGBT (Insulated Gate Bipolar Translator) driving circuit for a novel high-frequency high-voltage switching power supply, comprising a switching control circuit (1), a pulse transformer isolating circuit (2) and a voltage stabilizing circuit (3); a front controller MCU (Microprogrammed Control Unit) generates an IGBT driving signal and inputs into a high-speed two-circuit in-phase driver MC33152; an output end is connected with a primary circuit of the pulse transformer isolating circuit, and is isolated by the pulse transformer isolating circuit and transmitted to a secondary circuit; the output of the secondary circuit of the pulse transformer is connected with the input end of the voltage stabilizing circuit, and the output end of the voltage stabilizing circuit is respectively connected with the gate and emitter of the IGBT. The invention has the following characteristics of small voltage fluctuation of an input stage, quick switching response, low power consumption of switching on and off and complete isolation between the input stage and the gate, and a series resistor in the voltage stabilizing circuit can effectively inhibit high-frequency parasitic oscillation, thus effectively reducing the mutual interference between the driving circuit and the IGBT, improving the accuracy of the IGBT driving signal, and ensuring more reliable, safe and accurate driving control of the IGBT.
Owner:CHANGSHU YINGNA ENERGY TECH
Method and device for control of coolant flow distribution of electric automobile drive system
ActiveCN107499113AReasonable distribution ratioSolve the problem of unreasonable distribution ratioElectric machinesCooling/ventillation arrangementCoolant flowElectric machine
The invention discloses a method and device for control of coolant flow distribution of an electric automobile drive system. The control method comprises the steps that current temperatures of a front controller and a front motor in a front drive system, as well as current temperatures of a rear controller and a rear motor in a rear drive system are acquired; first ratios of the current temperatures of the front controller to the current temperatures of the rear controller, as well as second ratios of the current temperatures of the front controller to the current temperatures of the rear motor are computed; amplitude-limiting computation is conducted on maximum ratios among the first ratios and the second ratios, so coolant flow distribution proportional coefficients of a front drive loop and a rear drive loop are acquired; and the coolant flow distribution is conducted according to the coolant flow distribution proportional coefficients. The computation method for coolant flow distribution proportions disclosed by the invention considers the difference in cooling effects of a coolant with the same flow rate on the controllers and the motors, namely the coolant flow distribution proportions are more rational. Hence, the problem in irrational coolant flow distribution proportions of the electric automobile is solved.
Owner:BORGWARD AUTOMOTIVE CHINA CO LTD
Anti-theft device and detection method for street lamp cable
InactiveCN104700541ARich detection methodsReduce installation costsBurglar alarm electric actuationEngineeringFront Controller pattern
The invention discloses a simple, convenient and reliable anti-theft system for a street lamp cable. The anti-theft system for the street lamp cable comprises a front controller and a small loop at the end used for applying weak voltage signals for the street lamp cable when a street lamp switch is turned off; the open circuit and short circuit of the cable are judged through detecting the voltage of an access point, and meanwhile, the front controller sends an alarm and sends information to a dedicated worker to detect the circuit. The anti-theft system for the street lamp cable is suitable for monitoring and protecting the power supply cable for the street lamp and has advantages that the equipment is simple, the maintenance cost is low, the anti-theft system is not influenced by the on and off of the street lamp switch, the reliability is high, the influence to the street lamp on the circuit is avoided, and the like.
Owner:HUNAN UNISPLENDOUR DAORAN ELECTRICAL APP
Network control method of induction machine and device thereof
InactiveCN101419459AIncrease opennessGuaranteed transparent transmissionData switching by path configurationTotal factory controlState parameterNetwork control
The invention relates to a network control method of an induction machine and a device thereof. The method and the composition of the device are as follows: an upper computer is communicated with a front controller by Ethernet; the upper computer sends induction machine control instruction to the front controller by Ethernet; the front controller sends control instruction of PWM modulation signal to a frequency converter according to the control instruction sent by the upper computer; the frequency converter is used for driving an electric motor; a sensor group examines the state parameter of the electric motor and transmits the state parameter to the front controller; the state parameter is sent to the upper computer for display after being processed by the front controller; the upper computer communicates with a front computer by an Ethernet communication method based on TCPIP protocol, wherein, both the upper computer and the front computer set up TCP connection, realize data communication and release TCP connection.
Owner:BEIJING JIAOTONG UNIV
Auxiliary traction device for orthopedics
The invention discloses an auxiliary traction device for orthopedics. The auxiliary traction device for orthopedics structurally comprises a control box, an operation panel, an operation table, a mattress, a fixing belt, a right armpit rest, a sponge sleeve, a left armpit rest, a head rest, an telescopic rack, a front controller, a controller connection line, universal wheels, a bed body, a rear controller, a fuse, a power socket, an armpit rest adjustment mechanism, a transmission mechanism, and a storage battery, wherein the operation panel is arranged on the operation table, the control boxis arranged in the operation table, the control box is electrically connected with the operation panel, the mattress is arranged on the bed body, and the storage battery is electrically connected with the control box. The auxiliary traction device for orthopedics adopts a motor-driven method to assist traction, and an emergency stop mechanism is arranged between the motor and the storage battery;when a patient feels that the traction is too large, the emergency stop mechanism can operate to effectively reduce the potential danger and to protect the patient from secondary injury.
Owner:XIANGYA HOSPITAL CENT SOUTH UNIV
Integrated monitoring and controlling system for looped network unit
PendingCN107546856AReduce outage timeImprove reliabilityCircuit arrangementsIntegrated monitoringRemote control
An integrated monitoring and controlling system for a looped network unit comprises a looped network unit front-end controller, a looped network unit data acquisition system and a background system, wherein the looped network unit data acquisition system is connected to the looped network unit front-end controller and transmits acquired data to the looped network unit front-end controller in realtime, the looped network unit front-end controller controls a device connected to the looped network unit front-end controller according to the data of the looped network unit data acquisition systemand is connected with the background system and used for transmitting data to the background system, the background system performs processing analysis and storage and is in communicating connection with the looped network unit front-end controller, processed data is used for the looped network unit front-end controller, the background system sends out a control instruction to control the looped network unit front-end controller to give an alarm and to be remotely connected to a to-be-controlled device of the looped network unit front-end controller. The system can comprehensively monitor a running state of a looped network unit device and improves the running reliability of a power distribution network.
Owner:KAIFENG POWER SUPPLY COMPANY STATE GRID HENAN ELECTRIC POWER
Solar multi-conjugate adaptive optical system
ActiveCN102621687BRealize high-resolution imagingSimplify the difficulty of decouplingOptical measurementsOptical elementsHigh resolution imagingCoupling
Owner:INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI
An integrated dc/dc power supply front-end controller, control method and control system
ActiveCN104201898BReduce power consumptionSave resourcesDc-dc conversionElectric variable regulationTransformerControl system
Owner:JIAXING NAJIE MICROELECTRONICS TECH
Focusing and leveling system capable of timely compensating wave-front distortion and compensation method thereof
InactiveCN102445863AImprove alignment accuracyReduce array requirementsPhotomechanical treatmentWavefront sensorClosed loop
The invention discloses a focusing and leveling system capable of timely compensating wave-front distortion and a compensation method thereof. The system comprises a projection side and a detection side; and the light beam from the protection side is reflected by a silicon wafer surface and then imaged through a detection slit surface of the detection side. The system is characterized in that a closed loop wave-front compensation system which comprises a wave-front sensor, a wave-front controller and a wave-front corrector; the optical path of the light beam to the wave-front sensor is as same as that to the detection slit surface; after the light beam enters the wave-front corrector, the corrected light beam is divided into two parts, wherein the major part of the light beam is imaged on the detection slit surface and the small part of the light beam enters the wave-front sensor; then the wave-front sensor is used for timely detecting a wave-front error; and then the wave-front controller is used for driving the wave-front corrector to carry out wave-front correction according to error signals detected by the wave-front sensor.
Owner:SHANGHAI MICRO ELECTRONICS EQUIP (GRP) CO LTD
Efficient household peanut kernel stir-frying machine
The invention discloses a high-efficiency household peanut stir-fry machine, which comprises a stir-fry machine body, the bottom of the stir-fry machine body is connected with a bottom plate through a column, and a controller is arranged on the upper surface of the bottom plate, and the front of the controller is A speed regulating knob is arranged on the surface, and a power switch and a running display light are arranged in sequence from left to right under the speed regulating knob in the horizontal direction. A motor is fixed at the center of the upper surface of the bottom plate through a fixing rod, and a motor is arranged above the motor. The rotating shaft is sleeved with a fixer on the top of the rotating shaft. In the present invention, the device is sleeved with a fixer on the top of the rotating shaft, and the top of the fixer is provided with a mounting screw hole for use with the rotating shaft, which makes the installation and disassembly of the fixer very convenient, and enables the user to clean up the inside of the device. More convenient, the device installs the stir-frying slices on the holder through the rotating shaft, so that the device can increase the stir-frying range of the stir-frying slices by changing the rotating speed of the motor, so that the practicability of the device is stronger.
Owner:CHENGDU KECHUANGGU TECH CO LTD
On-line and intelligent particle taking system
ActiveCN108388164ASolve real-timeFix security issuesWithdrawing sample devicesProgramme control in sequence/logic controllersProduction lineParticulates
The invention provides an on-line and intelligent particle taking system. The on-line and intelligent particle taking system comprises a control server, a central controller, a front controller, a rotary taker, an intelligent feeder, a centralized separator, a communication system and a sensing system; the control server is an organizer and a distributor of coordinated operation of the system; thecentral controller is in charge of acquiring and forwarding instruction information of the system; the front controller is in charge of executing an instruction issued by the central controller and controlling the intelligent feeder to complete a related instruction motion; the rotary taker is in charge of on-line taking on a production line and controlling the flow of taking; the intelligent feeder is in charge of quantitatively taking samples at a determined site; the centralized separator is in charge of collecting samples obtained at many sampling points; the sensing system is in charge of obtaining working state information of the intelligent feeder and controlling running. The on-line and intelligent particle taking system can effectively solve the problem in a traditional on-line sampling mode that the limit is brought to a modern processing enterprise due to factors like the lack of timeliness and safety and artificial interference.
Owner:长沙荣业软件有限公司
Control system of dual-drive electric automobile
The invention relates to a control system of a dual-drive electric automobile, comprising a power supply and indicating / illuminating lamps. The control system is characterized by comprising a front controller and a rear controller which respectively drive and are connected with a front drive differential motor and a rear drive differential motor; moreover, the front controller and the rear controller are respectively provided with an accelerator and connected with the Hall sensor of the permanent magnet rotor of an induction motor; each differential motor comprises a gear box and a brushless high-speed motor; the gear box comprises a speed change structure and a differential; the differential comprises a planet carrier, a planet gear and a half axle gear; the high-speed motor drives and is connected with the planet carrier by a transmission shaft, drives the half axle gear by the planet gear and respectively drives and is connected with left wheels and right wheels; the front drive controller controls the automobile to work on a flat pavement; and the drive controller is started to increase the power and the output torque of the motor when clamping a slope, thus realizing the energy-saving effect. The motor and the speed change structure have the advantages of high efficiency, low temperature increase and large torque; the large torque output greatly improves the service life of the accumulator of the electric automobile and prolongs the charging period; therefore, the control system has high practicality.
Owner:浙江兴美电动汽车有限公司
Foundation pit supporting method capable of automatically controlling horizontal displacement of underground diaphragm wall
ActiveCN105696600ARealize automatic controlReduce horizontal displacementExcavationsSlurry wallAutomatic control
The invention provides a foundation pit supporting method capable of automatically controlling horizontal displacement of an underground diaphragm wall. According to the method, a set of horizontal supports are arranged in the length direction of a foundation pit, and hydraulic jacks are arranged in the horizontal supports; each set of horizontal support is provided with an underground water level gauge, a water level monitor, a front controller and a pressure monitor; the water level monitor is used for recording the underground water level depths in real time, wherein the underground water level depths are measured by the underground water level gauge in real time, the difference value of the underground water level depths on the two sides of the underground diaphragm wall is determined, and the difference value of the underground water level depths is uploaded to a central control device automatically; and numerical simulation is conducted according to the project conditions of the foundation pit, the supporting force value which is generated by the underground water level change and needs compensation is determined, the underground water level change is monitored automatically through the underground water level gauges, supporting force compensation is conducted on the horizontal supports automatically through the hydraulic jacks, and accordingly the horizontal displacement, caused by phreatic water and rainwater in the foundation pit, of the underground diaphragm wall is reduced.
Owner:CHINA RAILWAY 16 BUREAU GRP BEIJING METRO ENG CONSTR +2
Foldable smart electric bicycle
InactiveCN109533163AAdaptableEasy to acceptFoldable cyclesRider propulsionFixed bearingVehicle frame
The invention relates to the technical field of smart electric bicycles and in particular to a foldable smart electric bicycle comprising a foldable frame and an electric drive system, wherein the foldable frame is formed by a main horizontal pipe, a front handlebar vertical pipe, a rear seat vertical pipe, and a foldable bracket; the main horizontal pipe is composed of a front controller horizontal pipe and a rear battery pack horizontal pipe; the foldable bracket includes a horizontally arranged rectangular frame, four pillars disposed on the lower sides of the four corners of the rectangular frame, and positioning rods connected to the lower side of the rectangular frame and configured to position the pillars and the rectangular frame when the pillars are erected; the pillars and the positioning rods are all hinged to the rectangular frame; the positioning rods and the pillars are arranged one to one; the lower ends of the positioning rods and the pillars are provided with corresponding positioning holes; a driving motor comprises a casing fixed by a fastening screw to a front cover and a rear cover; the topmost end in the rear cover is a magnetic ring; the bottom of the front cover is provided with a round of mesh vent holes; and a fixed bearing is installed in the middle portion in the front cover.
Owner:TIANJIN JUPENG BICYCLE FITTINGS
Orthopedic auxiliary traction device
Owner:XIANGYA HOSPITAL CENT SOUTH UNIV
Front controller of vehicle starting circuit and working method thereof
InactiveCN105244975AAvoid excessive dischargeAvoid duplication of workDynamo-electric motors/converters startersBatteries circuit arrangementsIn vehicleFront Controller pattern
A working method of a front controller of a vehicle starting circuit provided by the invention is configured to control an output switch of the vehicle starting circuit, and comprises the following steps: firstly, a battery voltage is measured; secondly, when the battery voltage is less than a false starting voltage value and an outage voltage value, the output switch is controller to allow the output switch to switch on, and the outage voltage value is less than the false starting voltage value and larger than zero; and when the battery voltage is larger than the false starting voltage value, the output switch is switched off.
Owner:UNIVERSAL SCIENTIFIC INDUSTRIAL (SHANGHAI) CO LTD
Air-levitated train
InactiveCN107399315ALow costReduce noiseRoad vehiclesElectric propulsionDrive wheelTransverse groove
The present invention provides an air-floating train, which has multiple sections, and each section comprises: an air-floating carriage, a front power box, a rear power box and a track device. The front power box and the rear power box are respectively located at the front end and the rear end of the air-floating car. The front and rear power boxes respectively rely on wheels to walk on the track device and push the air-floating car forward and backward respectively. The front power box includes: front box body, pantograph, front controller, front AC motor, front commutator, front driving wheel, front tug wheel and blower. The pantograph is in sliding contact with the contact line on the track to obtain power, and the blower sucks in air from the outside, pressurizes it and introduces it under the floor of the air-floating car to form an air cushion, and the air cushion supports the air-floating car. The track device includes: baffle, track, bottom plate, column and contact line. The upper surface of the track is the tug wheel track, the inner side of the track is the driving wheel track, the transverse groove part is placed on the bottom plate, and on the inner surface of one side track, there is a contact Line, through the pantograph, to supply power to the air-floating train.
Owner:尚德敏 +2
An interactive video editing system and its editing method
ActiveCN105142029BRealize online editingTo achieve the effect of clippingSelective content distributionVideo playerInteractive video
Owner:BEIJING CLOUD SPOWER EDUCATION & TECH
Ultrasonic three-dimensional imaging system
InactiveCN107305250AImprove stabilityReasonable designAcoustic wave reradiationSonificationDisplay device
The invention discloses an ultrasonic three-dimensional imaging system, which is characterized in that it includes an ultrasonic probe and an ultrasonic transmitting / receiving and beam forming module connected with the ultrasonic probe, the output end of the ultrasonic transmitting / receiving and beam forming module is connected with a signal processing module, The output end of the signal processing module is connected to the DSC module, and the output end of the DSC module is connected to the memory of the computer system. The ultrasonic transmitting / receiving and beamforming module, the signal processing module and the DSC module are all connected to the ultrasonic front-end controller through the ultrasonic system bus, and the computer system The memory is connected with the three-dimensional software processing module, and the computer system memory, the three-dimensional software processing module and the ultrasonic front-end controller are all connected with the main controller and the graphics processor through a general bus, and the output terminal of the graphics processor is connected with the display. The invention has the advantages of reasonable design, simple operation, excellent performance, high stability, small error, good imaging effect, and is convenient for popularization and use.
Owner:刘衍芹
Information push control method and system, front-end controller
ActiveCN102769636BIncrease reachIncrease information capacityTransmissionThe InternetFront Controller pattern
Owner:TENCENT TECH (BEIJING) CO LTD
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