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244results about How to "Easy to operate and maintain" patented technology

Tab cutting device of lithium battery core and tab cutting equipment using tab cutting device

The invention relates to the field of manufacturing of lithium ion power batteries, in particular to a tab cutting device of a lithium battery core and tab cutting equipment using the tab cutting device. The tab cutting device of the lithium battery core comprises a driving mechanism and a tab compressing component, wherein the driving mechanism is used for driving an upper cutter to move up and down; the tab compressing component compressing component comprises a lower cushion block and an upper compressing block; the upper compressing block vertically corresponding to the lower cushion block is arranged on the driving mechanism; the upper compressing block and the upper cutter can move together up and down; a compressible elastic supporting device is arranged between the upper compressing block and the driving mechanism; or the tab cutting device of the lithium battery core is provided with a guide device, an elastic reset device, a jacking mechanism and an elastic supporting device; the guide device is used for guiding the upper compressing block to move up and down; the elastic reset device is used for providing upward elastic support for the upper compressing block; the jacking mechanism is arranged on the driving mechanism in a guide motion manner and can downwards jack the upper compressing block; and the elastic supporting device is arranged between the jacking mechanism and the driving mechanism. By adoption of the scheme, a tab can be automatically compressed in the downcutting process of the cutter.
Owner:中创新航科技(江苏)有限公司

All-weather solar photovoltaic cell panel tracking and angle adjustment device

The invention discloses an all-weather solar photovoltaic cell panel tracking and angle adjustment device comprises a fixed base, a horizontal adjusting device, a verticality adjusting device, a solar photovoltaic cell assembly and a controller. The horizontal adjusting device comprises a motor, a worm and gear reducer, a driving gear and a driven gear; the verticality adjusting device comprises a bottom supporting seat, a triangular dip angle adjusting mechanism, an electromagnetic locking switch and a slide drive mechanism; the solar photovoltaic cell assembly is provided with a photoelectric sensor. By adopting the all-weather solar photovoltaic cell panel tracking and angle adjustment device, the program control of the rotation and angle adjustment of the solar cell panel in the horizontal direction and the vertical direction can be realized; moreover, the motion in the horizontal direction and the vertical direction can be self locked, the sun motion can be automatically tracked all weather, the direction and the dip angle of the solar cell panel can be self-adaptively adjusted, and the utilization rate of the solar energy can be increased. The all-weather photovoltaic cell panel tracking and angle adjustment device can be applied to a fixed place or a movable device and has advantages of simplicity and compactness in structure, stability and reliability in work, convenience in operation and maintenance, high safety and the like.
Owner:新余市银龙光伏工程有限公司

Subsynchronous source-network combination damping inhibition method for offshore wind plant

The invention relates to a subsynchronous source-network combination damping inhibition method for an offshore wind plant, and the method comprises the steps: S1, building a linearized state space model of an offshore wind plant based on a double-feed wind turbine generator through a VSC-HVDC grid-connected system; S2, recognizing the subsynchronous oscillation modal of a system; S3, calculating aparticipation factor through modal analysis, and screening a state variable which is strongly correlated with the subsynchronous oscillation modal at each order; S4, analyzing the impact on the subsynchronous oscillation modal damping from the strongly correlated state variable through a root-locus method; S5, designing the parameters of DFIG_SEDC and VSC_SSDC according to a locus analysis result, and reducing the mutual impact between the subsynchronous oscillation modals at all orders, and inhibiting the plurality of subsynchronous oscillation modals. Compared with the prior art, the methodsolves a problem of cost in adding a FACTS device, and a designed source-network combination damping controller can inhibit the plurality of subsynchronous oscillation modals, improves the subsynchronous stability of a system, and guarantees the safe and stable operation of the transmission of new energy power.
Owner:SHANGHAI UNIVERSITY OF ELECTRIC POWER

Construction creeping formwork hydraulic synchronous control system of high-rise structure

The invention provides a construction creeping formwork hydraulic synchronous control system of a high-rise structure, comprising an oil tank, an oil pump, a transmission pipeline system, two oil cylinder jacking mechanisms and a synchronous control device. The transmission pipeline system comprises an oil-absorbing branch, an oil-returning branch and an electromagnetic directional valve, and either oil cylinder jacking mechanism comprises jacks, a hydraulic one-way valve and two-position three-way control valves. The construction creeping formwork hydraulic synchronous control system is characterized in that either two-position three-way control valve is provided with an opening connected with the synchronous control device, an opening connected with a corresponding jack and an opening connected with the electromagnetic directional valve; the opening connected with the synchronous control device and the opening connected with the jack are communicated when the power is on; and the opening connected with the synchronous control device and the opening connected with the electromagnetic directional valve are communicated when the power is off. The construction creeping formwork hydraulic synchronous control system can favorably solve the problems of different motion speeds and asynchrony motion in various jacking machine positions, can automatically control the lifting speed and ensures stable and synchronous lifting.
Owner:SHANGHAI CONSTRUCTION GROUP

High-adaptability digging and anchoring integrated machine with dual-mode anchor drilling system

PendingCN111075444AAchieving parallel operation of anchor diggingFully automatedPropulsionAnchoring boltsSupporting systemElectric control
The invention provides a high-adaptability digging and anchoring integrated machine with a dual-mode anchor drilling system, and belongs to the technical field of underground coal mining equipment. The high-adaptability digging and anchoring integrated machine comprises a frame main body, a cutting system, a conveying system, a dust removing system, a multifunctional temporary supporting system, the dry-wet dual-mode anchor drilling system, an automatic lubricating system, a water-cooling spraying system, a hydraulic system and an electric control system, wherein a traveling mechanism adopts awide crawler design, so that the adaptability of the digging and anchoring integrated machine to a muddy bottom plate is improved; and the dry-wet dual-mode anchor drilling system has two functions of dry dust removal and wet dust removal, and real-time switching selection is carried out according to the geological conditions of the roadway bottom plate without replacing a drill box. By means ofthe high-adaptability digging and anchoring integrated machine, the problems of muddy of the bottom plate, poor stability of a top side wall and low tunneling efficiency in the rapid coal roadway tunneling under the complex geological conditions are solved; the integrated parallel operation of tunneling, anchor protection, transportation, dust removal and the like of a roadway tunneling working surface is realized; and the efficiency and safety of coal mining and transportation are improved.
Owner:TAIYUAN INST OF CHINA COAL TECH & ENG GROUP +1

Dry-method fume gas purification method and device for synchronous desulfurization and denitrification

The invention relates to fume purification and provides dry-method fume purification method and device for synchronous desulfurization and denitrification. The purification device is provided with an inlet flue, an absorption tower, a dust collector, a material circulating air chute, an absorbent cabin, a water box, a water pump, an atomization spray gun and an outlet flue. In the invention, an additive water solution is stored in a process water box; a primary fume enters the absorption tower through the inlet flue, mixes with an absorbent added form the absorbent cabin and cycled materials returned from the material circulating air chute, and then performs cooling and moistening reaction with the additive water solution pumped by the high-pressure pump from the water box to the atomization spray gun and sprayed by the atomization spray gun to the absorption tower; the outlet fume of the absorption tower enters the dust collector, incompletely reacted materials in the fume are collected, and the major part of the fume enters a circulating fluidize bed absorption tower with the absorbent added in the absorbent cabin through the material circulating air chute to continue the reaction; circulation continues in the same way; and the fume purification is then achieved when the cleaned fume is exhausted from a chimney from the dust collector through the outlet flue.
Owner:FUJIAN LONGKING DSDN ENGINEERING CO LTD

Method and apparatus for processing ship ballast water through filtration, ultraviolet and ultrasound

The invention which belongs to the field of ship ballast water processing equipment especially relates to a method and an apparatus for processing ship ballast water through filtration, ultraviolet and ultrasound. The apparatus of the invention comprises a water pump, a pressure transducer, a flowmeter, a filter, a comprehensive processing unit of ultraviolet and ultrasound, a control system, an electromagnetic valve and a pipeline. Water enters the filter through the water pump, then enters the comprehensive processing unit of ultraviolet and ultrasound to be subjected to biological inactivation, and is finally discharged. The synergetic disinfection of the ultraviolet-ultrasound unit allows the disinfection effect to be good, ultrasonic waves destroy protective layers of microbes, the ultraviolet radiation destroys DNA and RNA of the microbes, and the ultrasonic waves have certain cleaning effects on ultraviolet lamps. The apparatus of the invention, which can effectively kill the microbes in the ship ballast water, has the advantages of low energy consumption, high reliability, simple operation and maintenance, realization of one-key operation through an automatic control unit, and flexible selection of an installation platform according to practical cases.
Owner:NANTONG ELITE MARINE EQUIP & ENG INC JIANGSU

Method and device for performing emulsion breaking on oil-water emulsion by ultrasonic wave

The invention relates to a method for performing emulsion breaking on an oil-water emulsion by an ultrasonic wave. In the method, one or more ultrasonic generators are arranged in a raw material storage tank or a settlement tank in the gravity settling direction, only one ultrasonic generator acts in the direction of the same vertical line. An emulsion breaking device for implementing the method comprises the raw material storage tank or the settlement tank, and one or more ultrasonic generators are arranged at the bottom or/and top of the raw material storage tank or the settlement tank. The ultrasonic generators are distributed reasonably according to structural size and ultrasonic radiation areas, so that the ultrasonic generators cover comprehensively, and are prevented from being overlapped. The ultrasonic generators are connected with ultrasonic distributors, and one ultrasonic generator is arranged in one ultrasonic distributor. The action direction of the ultrasonic wave is the vertical direction and is consistent with the gravity settling direction, so the driving force is added in the oil-water settling direction, and the oil-water settling speed is accelerated. The device is uniform in ultrasonic wave energy distribution, excellent in emulsion breaking effect, simple in operation, convenient to run and maintain and low in running cost.
Owner:CHINA PETROLEUM & CHEM CORP

All functional glass sheet stacking and dismantling machine and glass sheet stacking and dismantling method

The invention relates to the technical field of float glass and glass deep-processing, and provides an all functional glass sheet stacking and dismantling machine and a glass sheet stacking and dismantling method. The all functional glass sheet stacking and dismantling machine comprises a suction main engine and a piling bed. The suction main engine comprises a base, a pendulous device, a sucker device, and a rotating device. The pendulous device comprises a swing frame and a first rotating shaft used to drive the swing frame to swing between a glass production line and the piling bed. The rotating device comprises a second rotating shaft used to drive the sucker device to rotate. Compared with the prior art, using the global function glass sheet up-down machine, stacked glass is easy to operate and maintain. The glass sheet stacking and dismantling method comprises: according to purposes of glass, selecting a suction surface and stacking and dismantling the glass sheets, after the suction main engine is used for putting or taking down one glass sheet, a glass frame with the glass sheets moving a trip, after the glass frame is full or empty, automatically switching a vacant glass frame. Thus, efficiency of sheet up-down is greatly improved.
Owner:深圳市天圣实业有限公司

Floating type ecological water purification plant

The invention provides a floating type ecological water purification plant comprising a double-layer buoyancy framework, a surface layer purification zone and a bottom layer purification zone, wherein the double-layer buoyancy framework comprises an upper layer framework and a lower layer framework which is fixedly connected with the upper layer framework by virtue of a connecting part; the surface layer purification zone is formed by filling the whole or partial area of the upper layer framework with a water purification packing; the bottom layer purification zone is formed by filling the whole or partial area of the lower layer framework with a water purification packing. In a working state, the upper layer framework floats above the water surface, and an emergent aquatic plant is planted on the water purification packing of the surface layer purification zone; and the lower layer framework is positioned below the water surface, and a submerged plant is planted on the water purification packing of the bottom layer purification zone. The floating type ecological water purification plant provided by the invention is additionally provided with the lower layer framework and the submerged plant, so that the floating type ecological water purification plant has a great function on elimination of endogenous pollution caused by substrate sludge, prevention and control of algae blooms, improvement of water quality and promotion of water ecological restoration.
Owner:百奥源生态环保科技(北京)有限公司

Domestic sewage bioreaction treatment and recycling system

The invention discloses a domestic sewage bioreaction treatment and recycling system which belongs to the technical field of sewage disposal. The system is composed of a collecting pipe network, an inlet well, a sedimentation tank, a regulating tank, an anaerobe filter tank, an aerobe discharge tank, a clear water tank, a drain tank, an equipment room, lifting pumps, a blower, a biological chemical feeder and pipelines, wherein the collecting pipe network is connected to the inlet well; the inlet well is provided with a water inlet; the water inlet is connected with the sedimentation tank through the pipeline; after sedimentating in the sedimentation tank, sewage enters the regulation tank through the pipelines; the two lifting pumps are arranged in the regulation tank and connected with the anaerobe filter tank through the pipelines; the sewage enters the aerobe discharge tank through the pipeline to be processed in a biological treatment way, and enters the clear water tank; water in the clean water tank, which is processed in a biochemical treatment mode, enters the ambient river course via the drain tank; the outlet of the blower is connected with the aerobe discharge tank; the blower is arranged in the equipment room; and the biological chemical feeder and a control cabinet are arranged in the equipment room. The invention has the advantages of simple treatment process, stable operation, simple management, low energy consumption, convenient maintenance and low cost.
Owner:SHANGHAI FANGHEZHENG ENVIRONMENT ENG TECH DEV CO LTD

OPPC on-line monitoring system for monitoring operating condition of power transmission line

ActiveCN104596583ARealize whole process real-time monitoringNo measurement blind zoneThermometers using physical/chemical changesUsing optical meansDistribution frameFiber
The invention relates to an OPPC on-line monitoring system for monitoring the operating condition of a power transmission line. The OPPC on-line monitoring system comprises the power transmission line formed by a novel OPPC, a field monitoring device and a remote monitoring device, wherein tight tube optical fibers are arranged in a first optical unit of the novel OPPC, and loose tube optical fibers are arranged in a second optical unit of the novel OPPC; the field monitoring device comprises a monitoring module and a safety isolation module; one end of the line is connected to an optical fiber distribution frame through a splice closure and a guiding optical cable, and then is connected to the field monitoring device, and the other end of the line is connected to the optical fiber distribution frame through the splice closure and the guiding optical cable, and conducts fiber jumping loopback on the optical fiber distribution frame; the remote monitoring device comprises a monitoring management module, a data center module and a data analysis module. The OPPC on-line monitoring system for monitoring the operating condition of the power transmission line achieves real-time continuous monitoring of the temperature, the current-carrying capacity and the stress of the OPPC line in the whole process, provides powerful technical support for operation and overhauling of the line, and guarantees safe operation of a power grid.
Owner:STATE GRID CORP OF CHINA +3

System and method for monitoring reactor core parameters of nuclear power plant

The invention discloses a system for monitoring reactor core parameters of a nuclear power plant. The system comprises measurement assemblies and a signal processing unit, wherein the measurement assemblies comprise multiple first measurement assemblies and multiple second measurement assemblies, each of the first measurement assemblies and the second measurement assemblies comprises multiple self-powered neutron detectors for collecting reactor core neutron-flux density in real time, and the multiple self-powered neutron detectors are distributed in the axial direction and/or radial direction along the periphery of the reactor core of the nuclear power plant; the signal processing unit comprises a reactor core neutron-flux density signal processing cabinet, and is used for receiving reactor core neutron-flux density signals collected by each self-powered neutron detector, processing the reactor core neutron-flux density signals and sending the reactor core neutron-flux density signals to a reactor core online monitoring system, so that the reactor core condition is monitored in real time. According to the system, the integrated measurement assemblies are adopted, so that the space occupied by equipment is reduced, and later maintenance and replacement are facilitated; real-time continuous monitoring for in-reactor neutron flux can be realized, measurement information is more reliable, and the accuracy rate is high.
Owner:中广核工程有限公司 +1

Feeding system of biological energy power plant yellow stalk and coordinating control method thereof

The invention discloses a yellow haulm feeding system of a biomass energy power plant and a coordinating and controlling method thereof. A sub-packaging platform is connected with an inlet of a haulm crusher by a chain scraper conveyor at one side of the sub-packaging platform and a chain scraper conveyor at one side of the haulm crusher; an outlet of the haulm crusher is connected with a stokehole storage bin distributor by a belt conveyor with a large inclination-angle and wavy retaining sides; a boiler feeding screw conveyor communicated with a boiler cavity is connected with the stokehole storage bin distributor, wherein, the sub-packaging platform, the chain scraper conveyor at one side of the sub-packaging platform, the chain scraper conveyor at one side of the haulm crusher, the haulm crusher, the stokehole storage bin distributor and the boiler feeding screw conveyor are all of two sets and all connected with the belt conveyor with the large inclination-angle and wavy retaining sides after each set is coordinately connected together. The invention is provided with two sets of mutually auxiliary systems, coordinates and controls the starting and stopping in sequence, automatic regulating, and linking and protecting functions of the feeding system and can ensure that the boilers of the biomass energy power plant run stably and meets the needs of electrical load change.
Owner:CEEC JIANGSU ELECTRIC POWER DESIGN INST +1

Weather manual simulation room with icing wind tunnel

InactiveCN104741155AMeeting the needs of icing impact studiesSatisfy productivityHeating or cooling apparatusAerodynamic testingTest sampleEngineering
The invention relates to a weather manual simulation room. The weather manual simulation room comprises a refrigeration device for cooling air in a weather room, a low-speed wind tunnel arranged in the weather room, an ice coating water and steam generation device and an atomization spraying device connected with the ice coating water and steam generation device and located in the weather room; a testing region is connected with a wind outlet of the low-speed wind tunnel and an air returning opening is formed in the testing region on the opposite side of the wind outlet; an inner wall of the weather room is used as a wind returning region of the low-speed wind tunnel; 0-10m/s uniform wind is formed in the testing region; and the ice coating water and steam generation device comprises an ice coating water generation device and an ice coating steam generation device, which are used for introducing water and steam with certain pressure into the atomization spraying device respectively to be mixed, so that water mist drops with certain quantity and grain diameters are sprayed out in the testing region. The weather manual simulation room lays foundation for research of the influences of wind on equipment icing; and meanwhile, by using the weather manual simulation room, a plurality of types of icing types including glaze, rime, mixed rime, wet snow and the like can be formed on the surface of a test sample.
Owner:STATE GRID CORP OF CHINA +2

Low-temperature refrigeration method for recycling oil gas

The invention discloses a cryogenic refrigeration method for oil gas recovery, comprising at least two stages of refrigeration system, which is characterized in that every stage of refrigeration system comprises a compressor, a condenser, an expansion valve and an evaporator, a refrigerant exchanges heat with the oil gas in the evaporator to condense and recovery the oil gas, the refrigerant of the first stage of refrigeration system passes the condenser of the next stage of refrigeration system and exchanges heat with the refrigerant of the next stage of refrigeration system after throttling. The cryogenic refrigeration method has the advantages that the condensation of the first stage of refrigeration system is heat exchange between the refrigerant and air, and the condensations of other stages are the heat exchange between refrigerants, so the heat exchange efficiency is greatly improved, compared to the air condensation, the temperature of the refrigerant in the condenser is greatly reduced, the temperature of the refrigerant can become more lower after throttling, thus recovering the oil gas with a more lower condensation temperature, the system needed in the cryogenic refrigeration method has simple structure, high operation efficiency, convenient operation and maintenance, high reliability, less initial investment and low running cost.
Owner:BEIJING UNIV OF TECH +2

State information monitoring method, device and system of LED lamp

The invention discloses a state information monitoring method of an LED lamp. The state information monitoring method comprises the steps of acquiring product parameter information of the LED lamp andfailure decision information of each hierarchical part of the LED lamp, and monitoring the obtained target information of each hierarchical part; building a failure physical model of each hierarchical part of the LED lamp according to the product parameter information; acquiring fault state information of the LED lamp according to the failure decision information, the target information and eachfailure physical model; and monitoring remaining life state information of the LED lamp according to the target information and each failure physical model. The invention discloses a state informationmonitoring device and system of the LED lamp. The target information of different hierarchical parts of the LED lamp is acquired in real time, the failure physical model is employed, the fault stateinformation and the remaining lifetime state information of the LED lamp are acquired according to the failure decision information and the target information of each hierarchical part, thus, the monitoring of a fault state and a remaining lifetime state can be more accurately achieved, and running and maintenance of the LED lamp are facilitated.
Owner:CHINA ELECTRONICS PROD RELIABILITY & ENVIRONMENTAL TESTING RES INST

Cooling and heating energy station and method

The invention discloses a cooling and heating energy station and a method. The cooling and heating energy station is formed by assembling prefabricated modules and comprises a cold and heat source module, the cold and heat source module provides cold water or hot water to a water distributor, the output end of the water distributor provides the cold or hot water to the exterior and is connected to a water collector simultaneously, the water collector is connected to the cold and heat source module after being connected to a circulating power module, and the output end of the water collector is further connected to a water-supplementing, pressure-fixing and water-treating module; a power distribution and control module is connected to the cold and heat source module, the circulating power module and the water-supplementing, pressure-fixing and water-treating module. According to the cooling and heating energy station and the method, the requirements of heating in winter and cooling in summer can be met, the cooling capacity and heating capacity supply is reasonably distributed according to the actual cooling and heating requirements, and energy waste caused by excessive heating source and cooling source supply can be avoided; all parts of the novel cooling and heating energy station are the prefabricated modules, and therefore the module quality is guaranteed, operating maintenance of the energy station is easy, and the maintenance cost of equipment is reduced at the later stage.
Owner:山东中瑞新能源科技有限公司

Software testing and evaluation method based on cloud computation technology

The invention relates to a software testing and evaluation method based on a cloud computation technology. The method comprises the steps that a testing cloud platform and an evaluation cloud platformare established; a lightweight cloud probe is deployed on the testing cloud platform; state data is collected by using the cloud probe and transmitted to the evaluation cloud platform through a network; analysis is conducted in the evaluation cloud platform, tested software is comprehensively established according to testing and evaluation standards, and a testing and evaluation report is generated. The software testing and evaluation method has the advantages that through the cloud computation technology, the utilization rate of equipment can be effectively increased, the required resourcesare dynamically adjusted according to service demands, the tested software is continuously tested, and the method helps to run and maintain a whole testing system. Through an introspection technologyof a virtual machine, the tested software is separated from a detection module. The tested software is deployed in the virtual machine, the detection module is deployed in a safer virtual machine monitor layer with a higher power level, and by integrating multiple advantages of the introspection technology of the virtual machine, the tested software is continuously, accurately and comprehensivelydetected.
Owner:TIANJIN UNIVERSITY OF TECHNOLOGY

Flue gas desulfurization and demercuration method

The invention provides a flue gas desulfurization and demercuration method comprising the following steps of: spraying water containing chlorine ions into a circulating fluidized bed dry-method desulfurization and demercuration dust-removing device to purify raw flue gas; taking the water containing the chlorine ions to carry out a desulfurization and demercuration reaction in the circulating fluidized bed dry-method desulfurization and demercuration dust-removing device; and leading the purified dust-containing flue gas to pass through a cloth bag filter to obtain purified flue gas. The flue gas purified by using the method disclosed by the invention has high desulfurization and demercuration efficiency. The invention further provides a flue gas desulfurization and demercuration device for the method provided by the invention. The flue gas desulfurization and demercuration device comprises a water storage tank, an atomizing device communicated with an outlet of the water storage tank, and the circulating fluidized bed dry-method desulfurization and demercuration dust-removing device communicated with an outlet of the water storage tank. Furthermore, the method has the advantages of simple process flow, low investment and operation cost and easiness for industrialization; and the device occupies a small area and is convenient to operate and maintain.
Owner:FUJIAN LONGKING DSDN ENGINEERING CO LTD
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