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Transmitting state switching control apparatus for hybrid vehicle
ActiveCN101045451ASolve the above-mentioned problems related to the feeling of loss of driveAddress shockClutchesInternal combustion piston enginesState switchingHybrid vehicle
The invention is to provide a device for smoothly performing mode switching accompanied by the start of an engine or the switching of a transmission status due to speed change with high responsiveness. An EV->HEV mode switching command accompanied by the start of an engine is issued at t2 according to the increase of accelerator opening APO, and a 5->4 downshift command is issued at t5. A first clutch is put in a status just before tightening by a real pressure Pc1 at t2, and a revolution speed Nm is increased by increasing motor torque Tm for starting an engine at t3 after the lapse of a set time TM1 since t2. According to the increase of Tm, the slip of a second clutch(H&LR / C) is started, and the tightening of the first clutch is started at t4 when the revolution speed reaches a predetermined value, and the start of the engine is actuated. The torque capacity To of a release element is decreased to the second clutch equivalent value at t5, and the tightening element is put in a status just before tightening, and the release element is completely released, and the tightening element is completely tightened, and 5->4 downshift is completed at t8 in the case of 5->4 speed change end decision based on the release progress of the release element and the tightening progress of the tightening element.
Owner:NISSAN MOTOR CO LTD
Terminal access method and terminal access device
The invention discloses a terminal access method and a terminal access device. The terminal access method comprises the following steps: on the basis of a bit value of a corresponding Access Class (AC) within an Enhanced Access Barring (EAB) parameter configured by a system, determining whether to allow the AC terminal to access; if the bit value of the corresponding AC within the EAB parameter is barred, then, on the basis of a barred time within the existing Access Class Barring (ACB) parameter, calculating a barred time for re-accessing the system and ending the process; and if the bit value of the corresponding AC within the EAB parameter is not barred, then, according to an existing system-broadcasted common ACB parameter, determining that access is allowed. According to the terminal access method and the terminal access device, the EAB and an existing ACB mechanism are combined for processing so as to solve the problem of possible impact on the system when the network is accessed concurrently by large numbers of delay-insensitive or low-priority services or terminals. Also, during the occurrence of an unexpected event, as the EAB applicable terminal is provided with appropriate control, the terminal is prevented from directly accessing the system without constraint, thereby shortening the delays and the duration of system congestion during the unexpected event.
Owner:ZTE CORP
Network access system and method
ActiveCN103945559AAddress shockReduce interactionNetwork topologiesConnection managementNetwork access pointProcess control
The invention provides a network access system and a method. The system comprises a control panel node and a user panel node, wherein the control panel node is connected with UE via a wireless interface and is connected with a MME (Mobile Management Entity) via an S1 interface for processing control panel data; and the user panel node is connected with the UE via a wireless interface and is connected with a SGW (Service Gate Way) via an Ss interface for processing user panel data. Thus, the problems that frequent interaction happens to information between nodes when the user is switched among cells and a core network is impacted in the related technology can be solved, interaction of information between nodes is reduced, and impact on core network signaling is reduced.
Owner:OPPO DIGITAL +1
Hybrid electric vehicle and engine start control method thereof
The invention provides an engine starting control method of a hybrid electric vehicle, Hybrid electric vehicles operate in pure electric mode, when power is required to start that engine due to an external environment or lack of power, and when it is necessary to shift the double-clutch gearbox, In order to avoid the impact of engine startup and gear shifting, at the same time, As that electric motor is close to a predetermined position in a sliding state by an engine clutch, and the first clutch and the second clutch in the double clutch gearbox are in a sliding wear state when the gear position of the double clutch gearbox is switched, and the engine clutch and the double clutch gearbox are simultaneously sliding worn to absorb the impact, thereby solving the impact problem in the powerswitching process of the hybrid electric vehicle. The invention also provides a hybrid electric vehicle.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD
Electronic device including antenna device
ActiveCN106207440AAddress shockAvoid leakage currentSimultaneous aerial operationsAntenna supports/mountingsElectromagnetic field couplingElectron
An electronic device is provided. The electronic device includes a front cover forming a front surface, a rear cover forming a rear surface, a sidewall at least partially enclosing a space formed between the front cover and the rear cover and at least partially formed of a conductive member, a display disposed in the space and including a screen region exposed through the front cover, a non-conductive structure disposed in adjacent to the sidewall or in contact with the sidewall in the space and including a first surface facing the front cover and a second surface facing the rear cover, a first antenna pattern overlapping the non-conductive structure and fed with electricity, a second antenna pattern overlapping the non-conductive structure and disposed adjacent to the first antenna pattern to form electromagnetic-field coupling with the first antenna pattern, and an integrated circuit chip feeding electricity to the first antenna pattern.
Owner:SAMSUNG ELECTRONICS CO LTD
Solar wireless electric vehicle charging station
InactiveCN103151814AAddress shockAvoid the risk of electric shockBatteries circuit arrangementsElectromagnetic wave systemBusbarCharging station
The invention discloses a solar wireless electric vehicle charging station, which comprises a photovoltaic array device, a DC (direct-current) busbar device composed of a DC power distribution cabinet, a DC / DC converter, a high-frequency inverter and a wireless charging transmitting terminal, wherein the photovoltaic array device is connected with the DC / DC converter through the DC busbar device, the high-frequency inverter is connected with the DC / DC converter, and the wireless charging transmitting terminal is connected with the high-frequency inverter. Compared with the prior art, the solar wireless electric vehicle charging station has the advantages of achieving the purpose of charging an electric vehicle by a solar photovoltaic power generation system, avoiding the electric shock hazard and the electric energy consumption during charging operation of a plug by adopting a magnetically coupled resonance wireless charging technology, realizing an intelligentized charging technology as well as safety and convenience during charging of the electric vehicle, effectively reducing the capacity of a storage battery of the electric vehicle, lightening the self weight of the electric vehicle, reducing the manufacturing cost of the electric vehicle, improving the effective utilization rate of energy sources and promoting the development of the electric vehicle.
Owner:SOUTHEAST UNIV
Flexible loading system of friction and wear testing machine
InactiveCN102230863AReduce labor intensityRealize stepless loadingInvestigating abrasion/wear resistanceWear testingDrive shaft
The invention relates to a flexible loading system of a friction and wear testing machine. The system is characterized in that: a loading oil cylinder is horizontally arranged, a piston rod passes through a body of the loading oil cylinder, a displacement sensor is arranged on one end of the piston rod, a load sensor is connected with the other end of the piston rod, a housing of the displacementsensor is fixed on a frame, and a measurement iron core is connected with the load sensor by passing through the piston rod; a friction pin is arranged on the load sensor, a friction disc and the friction pin are relatively arranged, and the friction disc is connected with a variable frequency motor through a driving shaft and a torque sensor; the loading oil cylinder is communicated with a hydraulic system through a servo valve, the displacement sensor and the load sensor are connected with a servo controller, and the servo controller is connected with the servo valve; and a guide rod is arranged in parallel with the load oil cylinder, and the load sensor is fixedly connected with a slide block of the guide rod. The system allows the labor intensity of operators to be reduced, the load value to be continuously variable, stepless loading of loads to be realized, impact problems of loading of original systems to be solved, and the loading stability to be substantially raised.
Owner:HENAN UNIV OF SCI & TECH
Reverse osmosis seawater desalination energy recovery device and switcher thereof
ActiveCN102949934AAddress shockImprove stabilityGeneral water supply conservationSeawater treatmentHydraulic cylinderGrating
The invention provides a reverse osmosis seawater desalination energy recovery device and a switcher thereof. The switcher comprises an outer cylinder body, an inner cylinder body, a piston rod, a driver, a high-pressure water inlet pipe head, two low-pressure water drain pipe heads and two hydraulic cylinder connecting pipe heads, wherein the outer cylinder body and the inner cylinder body are mutually sheathed, two outer chambers which are mutually isolated are formed between the outer cylinder body and the inner cylinder body, grating areas are respectively arranged at opposite parts of the inner cylinder body and the two outer chambers, the grating areas are provided with strip holes which are circumferentially distributed along the inner cylinder body and extend axially, and a set distance is axially kept between one ends of two adjacent strip holes on the same side; the piston rod is arranged in the inner cylinder body and two pistons are arranged on the piston rod; the driver is connected with one end of the piston rod to drive the piston rod to move in the inner cylinder body; the high-pressure water inlet pipe head is arranged between the two outer chambers and is communicated with the inner chamber of the inner cylinder body; the two low-pressure water drain pipe heads are arranged on the two sides of the two outer chambers; and the two hydraulic cylinder connecting pipe heads are arranged on the outer cylinder body, and each hydraulic cylinder connecting pipe head is correspondingly communicated with one outer chamber. The impact of seawater on the switcher during seawater desalination is reduced and the water inlet and outlet stability is improved.
Owner:MCC ENERGY SAVING & ENVIRONMENTAL PROTECTION +2
Automatic gearbox neutral gear idle speed control method and automatic gearbox neutral gear idle speed control device
ActiveCN109578572ASolve the problem of brake vibrationReduce loadGearing controlIdle speed controlMaster cylinder
The invention provides an automatic gearbox neutral gear idle speed control method and an automatic gearbox neutral gear idle speed control device, and belongs to the technical field of automobiles. The problem of poor driving experience in the prior art is solved. The automatic gearbox neutral gear idle speed control method comprises the steps that a gear where a gear shifting rod is located at present is detected; a master cylinder pressure value of a brake pedal is detected; current vehicle speed is detected; a vehicle accelerator pedal signal is detected; when brake master cylinder pressure, the gear where the gear shifting rod is located at present, the accelerator pedal signal and the current vehicle speed are met a preset condition, neutral gear idle speed control is carried out, and an automatic clutch is controlled to a sliding and grinding state from a joint state; and after the neutral gear idle speed control is carried out, when the brake master cylinder pressure is less than a preset pressure threshold value, the accelerator pedal signal is stepping on the gas or the gear where the gear shifting rod is located at present is N gear or P gear, the neutral gear idle speedcontrol is quit. According to the automatic gearbox neutral gear idle speed control method and the automatic gearbox neutral gear idle speed control device, the driving experience can be improved when the vehicle waits red lights or in traffic jam.
Owner:GEELY AUTOMOBILE INST NINGBO CO LTD +1
Precise control device for acceleration/deceleration of motor
InactiveCN102664585ASolve the problem that acceleration and deceleration cannot be realized due to the large amount of calculation in each cycleReduce computationAC motor controlEngineeringAcceleration Unit
Owner:ADTECH SHENZHEN TECH
Fault positioning protecting device and method based on power distribution network smart terminal
InactiveCN103683217AAddress shockUnaffected by accessEmergency protective circuit arrangementsFault locationTime delaysEngineering
The invention discloses a fault positioning protecting device and method based on a power distribution network smart terminal. The method includes: dividing a power distribution network into at least one minimum power distribution area, calculating the fault state differential value Ssum of each area, comparing Ssum of each area with the state preset value of the area, determining a differential protecting action through short-time delay if the comparison difference of the area satisfies the set condition, and tripping all distribution switches in the area after differential protection to realize fault isolation. The fault positioning protecting device and method based on the power distribution network smart terminal has the advantages that the power distribution area differential principle is used, the isolation time of power distribution network faults can be controlled within 100ms, the problems that the service lives of switches are shortened due to the fact that multiple times of on and off of the switches and users are impacted in traditional power distribution network fault isolation are solved, and the device is unaffected by the accessing of a distributed power supply.
Owner:STATE GRID CORP OF CHINA +3
A loop network unit and a double loop network type distribution network
PendingCN109149575AAddress shockAvoid shortened switch lifeEmergency protective circuit arrangementsInformation technology support systemType distributionEngineering
The invention relates to a ring network unit and a double-ring network type distribution network, comprising a plurality of spacing units; Each spacing unit correspondingly comprises a ring incoming line, a ring outgoing line or a feeder line, each spacing unit further comprises a spacing DTU and a current transformer arranged on the ring incoming line, the ring outgoing line or the feeder line corresponding to the spacing unit; The interval DTU is connected with a current transformer in the same interval unit and also connected with an actuator in the same interval unit. A loop network structure of a distribution network is divide into loop intervals, loop-out interval, feeder interval, by use of the Plug and Play, Based on the distributed DTU and optical fiber differential protection function of primary and secondary fusion, the fast cut-off and overcurrent protection function can realize the fault isolation of distribution network without relying on the master station, and avoid thetraditional fault isolation overstep trip problem of distribution network and the switch life shortening and impact problem caused by multiple closing switches.
Owner:XUJI GRP +5
Dual-frequency shore power source synchronous grid-connection and smooth power transfer method
ActiveCN105470995ARealize parallel operationFrequency expectation f
<sub>exp</sub>
The voltage amplitude of the shore power supply is the samePower network operation systems integrationSingle network parallel feeding arrangementsLoad circuitVoltage amplitude
A dual-frequency shore power source synchronous grid-connection and smooth power transfer method is disclosed. The method comprises the steps of performing synchronous grid-connection control and power transfer control through a controller; collecting three-phase voltage UAmp in shore power source side, voltage ULoad of a load circuit and voltage UGen in diesel generator output side; through analyzing and calculating, enabling the shore power source to be inverted into voltage that is accordant with the voltage in the shipboard side by adopting a VF mode; then adopting a droop control mode, performing secondary frequency modulation and voltage regulation control to regulate the voltage amplitude phase angle for realizing rapid synchronous grid-connection so as to realize parallel operation of the shore power source and the diesel generator; and realizing smooth power transfer of the shore power source and the diesel generator through the secondary frequency modulation and voltage regulation control. According to the dual-frequency shore power source synchronous grid-connection and smooth power transfer method, the smooth switch and power transfer of the shore power source and the diesel generator are realized; the load on the ship is powered in an uninterrupted manner in the switching process; and the control policy is high in applicability.
Owner:BEIJING SIFANG JIBAO AUTOMATION +1
Control method for starting engine by using clutch of deep hybrid power automobile
The invention provides a control method for starting an engine by using a clutch of a deep hybrid power automobile. The method comprises the steps that whether or not starting demands of the engine are met is judged by a starting demand judging module, if yes, the steps of oil filling of a first clutch, the dragging of an engine of the first clutch, oil spraying control of the engine, PI controlling and first clutch closing are sequentially conducted, and the starting of the engine is completed; during the oil filling process of the first clutch, starting process time tes of a current engine is judged, slipping work Q of a unit area of a current first clutch and the starting process time tes of the engine are judged in the steps of the dragging of the engine of the first clutch, the oil spraying control of the engine and the PI controlling, if judging results exceed limiting values, current steps are ceased, whether or not judging failing times are exceeded is judged, and judging stepsof the starting demands of the engine are executed again or a fault mode is entered according to judging results. The method is easy and achievable, and the smoothness of the starting process of theengine can be ensured to prevent the shaking of the automobile.
Owner:科力远混合动力技术有限公司
Terminal access method and terminal access device
ActiveCN102612113AAvoid direct access to the systemAddress shockAssess restrictionAccess methodUnexpected events
The invention discloses a terminal accessing method and a terminal access device. The terminal access method comprises the following steps: a system broadcasts or pre-sets a new Enhanced Access Barring (EAB) parameter; and according to the bit value of a corresponding Access Class (AC) within the configured EAB parameter or a new EAB parameter, an EAP applicable terminal determines whether to allow the AC terminal to access. According to the terminal accessing method and the terminal access device, the EAB is processed independently, and the new EAB parameter is integrated to solve the problem of possible impact on the system when the network is accessed concurrently by large numbers of delay-insensitive or low-priority services or terminals. Moreover, during the occurrence of an unexpected event, as the EAB applicable terminal is controlled appropriately, the terminal is prevented from directly accessing the system without constraint, thereby shortening the delays and the duration of system congestion during the unexpected event.
Owner:ZTE CORP
Device for removing bamboo green on surface of bamboo tube
The invention belongs to the technical field of bamboo machining, and discloses a device for removing bamboo green on the surface of a bamboo tube. The device comprises green removing cutter assemblies, bamboo tube lifting floating mechanisms and a bamboo tube conveying mechanism; the plurality of green removing cutter assemblies are longitudinally arranged on a moving beam in a row; the pluralityof bamboo tube lifting floating mechanisms are longitudinally arranged on a rack in a row, each bamboo tube lifting floating mechanism corresponds to one green removing cutter assembly, and each bamboo tube lifting floating mechanism comprises a bamboo tube rotary clamping mechanism and a lifting driving device for driving; each bamboo tube rotary clamping mechanism comprises two ejecting parts,and the two ejecting parts are used for fixing the bamboo tube from the two ends of the bamboo tube in an ejecting and clamping mode in the opposite directions; the lifting driving devices drive the bamboo tube rotary clamping mechanisms to lift between a machining position used for completing the machining of green removing and a clamping position located below the machining position and used forcompleting clamping or releasing clamping of the bamboo tube; and the bamboo tube conveying mechanism is used for longitudinally conveying the bamboo tube. According to the device, the problem that the cutter assemblies impact the bamboo tube to be machined is effectively solved.
Owner:ZHEJIANG SHUANGQIANG BAMBOO & WOOD CO LTD
Pressure regulating system of hydraulic drive air conditioner of crane cab
PendingCN107867146AReduce power lossAchieve operation and normal protectionFluid-pressure actuator safetyAir-treating devicesCushionMotor drive
The invention discloses a pressure regulating system of a hydraulic drive air conditioner of a crane cab. A hydraulic pump oil outlet of a host machine is divided into two paths through a proportionalvalve; one path is connected with an air conditioner motor through an electromagnetic control valve formed by a hydraulic pipeline, an overflow valve and a throttle valve, the air conditioner motor drives an air conditioner compressor to operate through a coupler, and the electromagnetic control valve is regulated and controlled through an air conditioner control unit according to acquired valuesof a pressure sensor and a temperature sensor; the other path is connected with a rotary motor through a hydraulic pipeline and a rotary buffer valve. The control valve formed by the overflow valve and the throttle valve is connected with the control unit so as to realize a pressure safety protection function on the air conditioner motor, the pressure is automatically regulated, and the air conditioner system operates stably and is normally switched off under protection. The air conditioner motor is connected with the air conditioner compressor through the coupler so as to drive the air conditioner compressor to operate stably, so that a cooling performance of the air conditioner is realized.
Owner:JIANGSU XCMG CONSTR MASCH RES INST LTD
Automatic classification device and classification method for cells
PendingCN108855979AAvoid situations such as jumpingCooperate wellSortingFinal product manufactureClassification methodsComputer science
The invention discloses an automatic classification device and a classification method for cells. The classification device comprises a main conveying line, at least two code scanning devices and transfer devices, wherein the main conveying line is used for conveying cells; the at least two code scanning devices are sequentially distributed at one side of the cell conveying line, and used for scanning identification codes on the end surfaces of the cells to determine the types of the cells; and the transfer devices are in one-to-one correspondence with the code scanning devices separately, located behind the code scanning devices, and used for moving out the cells corresponding to the code scanning devices in position from the main conveying line according to the identification results ofthe code scanning devices, or not acting. According to the scheme, the classification device is exquisite in design and simple in structure; sequential conveying for the cells is carried out through the conveying line; identification codes bound with cell grade information are identified by virtue of the plurality of code scanning devices, so that the grades of the cells can be automatically determined; and then the transfer devices matched with the code scanning devices separately are combined, and then the cells with various grades can be automatically transferred out of the main conveying line to realize classification. The classification device is high in automation degree, improved in grading efficiency and capable of adequately ensuring the grading accuracy.
Owner:SUZHOU JEE INTELLIGENT EQUIP CO LTD
Air cushion type double-mold slurry shield machine and control method thereof
ActiveCN107387110ARealize muddy water circulationPrecise pressure controlTunnelsAgricultural engineeringSlurry
The invention discloses an air cushion type double-mold slurry shield machine and a control method thereof. An air cushion bin of the air cushion type double-mold slurry shield machine is an annular cavity consisting of a front shield and a cutter head driving device; an air cushion communicating pipe is arranged in the air cushion bin; an upper port of the air cushion communicating pipe extends into a high-pressure air cavity, and a lower port of the air cushion communicating pipe extends into a slurry cavity; the upper port of the air cushion communicating pipe is connected with a drainage pipe leaded to the slurry bin; a hydraulic gate valve is arranged between the air cushion communicating pipe and the drainage pipe; and the hydraulic gate valve is connected with a control device at the external of the shield machine. The air cushion type double-mold slurry shield machine can realize a slurry bin pulp discharge tunneling mode and an air cushion bin pulp discharge tunneling mode, can precisely control the pressure of a support surface under the two modes to prevent the pressure fluctuation in the support surface, solves the impact problem to a slurry circulating system of the shield machine, and meanwhile, prevents the earth surface sedimentation.
Owner:CHINA RAILWAY ENGINEERING EQUIPMENT GROUP CO LTD
A license adjusting method and device
InactiveCN109874115AImprove experienceAddress shockNetwork traffic/resource managementMessaging/mailboxes/announcementsSoftware licenseSoftware engineering
The invention provides a license adjusting method and device, and the method comprises the steps of collecting the business volume of each business of a user; judging whether the business volume reaches a first preset threshold value of a software license allocated to the business or not; if the judgment result is yes, adjusting the software license between the user services, so that the problem that the arrival peak of a certain service exceeds the software license allocated for the service in advance to impact the user in related technologies is solved, the existing resources are fully utilized, the impact of the service peak of the certain service on tenants in a certain time period can be smoothly coped with under the condition of not expanding service nodes, and the user experience isimproved.
Owner:ZTE CORP
Water-feeding pump system driven by high-speed synchronous motor
ActiveCN103147955ANo lossImprove transmission efficiencyPump installationsPositive-displacement liquid enginesSynchronous motorFluid coupling
The invention discloses a water-feeding pump system driven by a high-speed synchronous motor, and relates to an efficient, energy saving and speed governing electric water-feeding pump system which is used in a large and medium-sized thermal power generating unit. The water-feeding pump system comprises a low rotational speed front-mounted pump, a low rotational speed front-mounted pump motor, an intermediate frequency variable-frequency power supply, a high-speed synchronous motor, a high rotational speed water-feeding pump and a static excitation device, wherein the high-speed synchronous motor is driven by the intermediate frequency variable-frequency power supply; the rotational speed is steplessly adjustable in a range from 60 rpm to 6,000 rpm; and the high-speed synchronous motor and the high rotational speed water-feeding pump are in direct connection through opposite wheels. Problems that an existing speed governing electric water-feeding pump adopts speed governing operation of a speed increase gear and a hydrodynamic coupler, the transmission loss is large, the response speed is slow, the adjusting dead zone is large, impact of starting on station service buses is obvious and the like are solved. The comprehensive transmission efficiency of the water-feeding pump system driven by the high-speed synchronous motor is higher than that of a steam feed pump system remarkably, heat consumption of a steam turbine generator unit is reduced remarkably, and the net coal consumption rate of the generator unit is decreased.
Owner:章礼道
Ore classification soil treatment device
ActiveCN112474313ASolve pollutionImprove classification processing efficiencySievingScreeningSoil treatmentMining engineering
The invention belongs to the field of ore processing, and particularly relates to an ore classification soil treatment device. The ore classification soil treatment device comprises a cleaning assembly, a scattering assembly and a classification assembly; the cleaning assembly comprises water outlet holes, sludge discharge holes, a cleaning assembly shell, a conveying assembly and a filter screen;a first support is arranged below the cleaning assembly shell; the cleaning assembly shell is obliquely arranged; the included angle between the central axis of the cleaning assembly shell and the horizontal plane is 10 degrees to 25 degrees; a water injection pipe is arranged at the upper end of the inner wall of the cleaning assembly shell; the water injection pipe is provided with a pluralityof groups of water outlet holes; the plurality of groups of water outlet holes are distributed at equal intervals in the central axis direction of the cleaning assembly shell; one end of the water injection pipe penetrates out of the cleaning assembly shell; a plurality of groups of sludge discharge holes are formed at the bottom end of the inner wall of the cleaning assembly shell; and the problem of dust pollution in the ore processing process is solved, the classification treatment efficiency is improved, and the problem that ore can cause large impact on equipment is solved.
Owner:TANGSHAN TIANHE TECH DEV
Bimetal composite pipe liquid expansion forming feeding device and process
ActiveCN105195637AAddress shockSolving Weld Orientation IssuesMetal-working feeding devicesPositioning devicesAutomatic controlEngineering
The invention provides a bimetal composite pipe liquid expansion forming feeding device and process. A base pipe and a liner pipe which are well sleeved are axially conveyed onto a movable clamp, and the weld joint of the base pipe faces the 12 o'clock direction before conveying; due to the fact that the base pipe can not rotate in the axial conveying process, the weld joint can not change the direction; after the base pipe axially moves in place, the base pipe is clamped by a left movable clamp and a right movable clamp under the effect of oil cylinders of themselves, the steel pipe is conveyed to a hydraulic composite position by moving the clamping devices, then a left fixed clamping device and a right fixed clamp device are fixed and closed, an upper clamping hoop falls, and then the base pipe where compositing needs to be conducted is clamped in a closed die. By means of the feeding device, on one hand, the problem of impact of the steel pipe on the device is solved; on the other hand, the direction problem of the weld joint of the steel pipe is solved as well; the device can be automatically controlled in the whole technological process, the automation degree of the device is greatly improved, and the labor intensity of workers is greatly lowered.
Owner:CHINA NAT HEAVY MACHINERY RES INSTCO
Lamination equipment
ActiveCN105895964AFully automatedAvoid damageFinal product manufactureSecondary cellsState of artEngineering
The invention discloses lamination equipment. The lamination equipment comprises a material-conveying mechanism and a tray, wherein a pole-piece grabbing mechanism and a laminating mechanism are arranged on the tray; the pole-piece grabbing mechanism comprises a horizontal motor, a grabbing-placing apparatus and a material-grabbing track; the material-grabbing track is fixed on the tray; the grabbing-placing apparatus is movably mounted on the material-grabbing track; the grabbing-placing apparatus is connected with the horizontal motor so as to move in a reciprocating manner under the drive of the horizontal motor along the material-grabbing track; the grabbing-placing apparatus comprises a perpendicular motor, a vacuum chuck and an inclined track; the vacuum chuck is movably mounted on the inclined track; the vacuum chuck is connected with the perpendicular motor, and moves up and down under the drive of the perpendicular motor through the inclined track so as to absorb material from the material-conveying mechanism to go up and then to go down and place the material on the laminating mechanism. By adoption of the lamination equipment, the technical problem that laminating equipment applicable to a battery pole piece of a gel electrolyte is not available in the prior art is solved; and the high-efficiency lamination equipment applicable to the battery pole piece of the gel electrolyte is provided by the invention.
Owner:山西能际智能科技有限责任公司
River and lake water flow impact catchment area fish habitat structure
ActiveCN109930567AThe overall structure is simpleSimple and efficient operationBarrages/weirsClimate change adaptationDry seasonWater channel
The invention relates to a river and lake water flow impact catchment area fish habitat structure. A set of diversion dikes are constructed near an inlet of a catchment area, the diversion dikes are in trapezoid shapes, and are composed of main dikes and trapezoid dikes, an angle between each diversion dike and a water flow direction is 30-45 degrees, in a plurality of set positions on the main dikes at intervals, the trapezoid dikes vertically extend to one side, and extending directions of each two adjacent trapezoid dikes are opposite; a bottom shaping area is arranged in the portion, on the inner sides of catchment area, besides the diversion dikes, and the bottom shaping area comprises water channels, bays, beaches, reef groups and an aquatic plant zone; and the water channels are arranged among the adjacent diversion dikes, communicated with all bay areas, communicated with upstream and downstream water flows, and lower than a water level of a dry season by more than 1.5 m. By means of the river and lake water flow impact catchment area fish habitat structure, water flow states can be effectively changed, so that the catchment area and a riverway are kept clear; the problem of flood period water flow impact is effectively solved, and the water flow states are improved; in the dry season, the upstream and downstream water flows are clear, and the water channels and the water bays are communicated, so that migration and inhabitation of fishes are benefited; and by arranging fishing reefs, bottomland and water plants, spawning and growth of the fishes are benefited.
Owner:FISHERY MACHINERY & INSTR RES INST CHINESE ACADEMY OF FISHERY SCI
Guide control mechanism for pneumatic lifting table
PendingCN110051115AStable supportSolve the problem of small dynamic bearing capacitySpringsGas based dampersOptical axisGas spring
The invention discloses a guide control mechanism for a pneumatic lifting table. The guide control mechanism comprises a table top supporting plate, a lower bottom plate, an upper fixing block, a lockable gas spring and a wedge-shaped switch, wherein the upper fixing block sleeves the lockable gas spring, the two ends of the lockable gas spring are connected with an upper connecting plate and a lower connecting plate respectively, and a first linear bearing sleeves a first linear unthreaded shaft and is installed in the upper fixing block. One end of the first linear unthreaded shaft is connected with the upper connecting plate, the other end of the first linear unthreaded shaft is provided with a first cylindrical spiral spring, an inner sleeve is connected with the lower bottom plate, and the lower connecting plate is covered with the inner sleeve. An outer sleeve is connected with the table top supporting plate, the upper connecting plate is covered with the outer sleeve, and the oblique wedge surface of the wedge-shaped switch can abut against a valve lift pin so that the outer sleeve can move relative to the inner sleeve in the direction away from or close to the lower bottomplate. The structure is compact, the guide precision is high, the lockable gas spring is smartly controlled by using the rotatable wedge-shaped switch, the cylindrical spiral springs solve the problemof impact generated when the lockable gas spring rises to the tail end, and due to the guide control mechanism, a table top more smoothly and steadily ascend and descend and is not likely to shake.
Owner:张春勤
Alarm storm processing method and alarm storm processing device
InactiveCN106483913AAddress shockGuaranteed uptimeProgramme controlComputer controlAlarm messageComputer terminal
The invention provides an alarm storm processing method and an alarm storm processing device. The method comprises the following steps: receiving alarm messages sent by at least one vehicle terminal; judging whether the number of the same alarm messages sent by the same vehicle terminal received within a preset time period reaches a preset threshold; if the number reaches the preset threshold, determining that the alarm messages sent by the vehicle terminal form an alarm storm; judging whether the alarm messages forming an alarm storm can be processed by use of alarm filtering rules; and if the alarm messages forming an alarm storm cannot be processed by use of alarm filtering rules, using associative alarm processing rules to associatively process the alarm messages forming an alarm storm. By using the method, the problem that an alarm storm has impact on a monitoring platform is solved, and normal operation of the monitoring platform is guaranteed.
Owner:有车(北京)新能源汽车租赁有限公司
Flexible access substation and control method thereof
PendingCN109768551AIncrease profitAddress shockAuxillariesSingle network parallel feeding arrangementsDistribution power systemDc ac converter
The present invention discloses a flexible access substation. The flexible access substation includes N sets of frequency conversion access systems, where N is an integer greater than or equal to 1, each set of frequency conversion access system includes a first AC-DC-AC converter, a first output circuit breaker, and a first power distribution system. The first power distribution system includes an AC incoming line, an AC bus, and at least one outgoing line. An output side of the first AC-DC-AC converter is connected to one end of the AC incoming line of the first power distribution system byusing the first output breaker. The present invention further discloses a control method of the flexible access substation, a set of converters can be simultaneously connected to a plurality of berths, and a docking vessel can access a shore power in a plug-and-play manner, so that investment costs of the shore power equipment are reduced, convenience of accessing the shore power is improved. In an interconnection mode, mutual support between AC buses can be implemented with high reliability.
Owner:NR ELECTRIC CO LTD +1
Active clamping forward-and-flyback circuit capable of starting or stopping synchronous rectification
InactiveCN103296893AThe principle is simpleReliable principleEfficient power electronics conversionDc-dc conversionResonanceEngineering
The invention relates to an active clamping forward-and-flyback circuit capable of starting or stopping synchronous rectification. According to the active clamping forward-and-flyback circuit capable of starting or stopping the synchronous rectification, an acquisition and isolating circuit and a comparison and driving circuit are added between a primary edge and a secondary edge, the output of a main tube driving circuit of a main circuit is connected with the comparison and driving circuit through the acquisition and isolating circuit, and the comparison and driving circuit is connected with a synchronous rectification tube control end on the secondary edge. According to the active clamping forward-and-flyback circuit capable of starting or stopping the synchronous rectification, the driving stopping of a synchronous rectification tube is achieved on the secondary edge, and the synchronous stopping of the synchronous rectification of the secondary edge is guaranteed when a main tube on the primary edge is switched off. The active clamping forward-and-flyback circuit capable of starting or stopping the synchronous rectification has the advantages that the problem that the main tube is impacted by resonance voltage when energy of the secondary edge of an original active clamping circuit is recovered is solved, the principle of the circuit is simple and reasonable, and other functions and indexes of the circuit will not be affected.
Owner:嘉善中正电子科技有限公司
Clock synchronization method and device for large-scale wireless sensor network
ActiveCN103402250AAddress shockReduce failure rateSynchronisation arrangementNetwork topologiesService timeMobile wireless sensor network
The invention provides a clock synchronization method for a large-scale wireless sensor network. The method comprises the steps that a synchronization life cycle strategy is dynamically configured, the strategy allows the synchronization life cycle of a sensor network node to be changed dynamically, the life cycle can be permanent or temporary, for example, the life cycle can be one hour, the strategy decides the time synchronization life cycle configured in the network node by taking the basis of the mobility or immobility of the node and the battery level of the node as the criterions; a synchronization geographical range strategy is dynamically configured, the strategy allows the sensor network nodes to be partitioned to different geographical ranges, different geographical ranges obtain different time synchronization configuration strategies, such as synchronous frequency and synchronous life cycle, and the strategy decides the way of partitioning the range of the nodes according to the mobility or immobility of the nodes and the distance of the geographical positions of the nodes. The clock synchronization method for the large-scale wireless sensor network classifies the nodes of the whole network according to the application needs and realizes the synchronization lifetime configuration according to nodes in different types, namely the synchronization service time with different durations is configured, so that the impact of different nodes to the network can be effectively solved, and the fault rate of time synchronization is reduced.
Owner:SHENZHEN POLYTECHNIC
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