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42results about How to "Does not affect power generation" patented technology
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SCR (Selective Catalytic Reduction) denitrification device for flue gas of glass kiln
InactiveCN103007743AWide range of applicationsDenitrification effect savingDispersed particle separationSoot blowerFlue gas
The invention discloses an SCR (Selective Catalytic Reduction) denitrification device for flue gas of a glass kiln. The SCR denitrification device comprises waste heat boilers and a denitrification reactor, a gas inlet end of the ammonia process SCR denitrification reactor is communicated with the first waste heat boiler to receive flue gas which is cooled to 320-420 DEG C through heat exchange, and a gas outlet end of the SCR denitrification reactor is communicated with the second waste heat boiler and discharges the denitrified flue gas into a chimney after the denitrified flue gas is cooled to 150-170 DEG C through heat exchange; and the denitrification reactor comprises an ammonia injection grid, an ammonia-flue gas mixer, a rectifier, and a multilayer catalyst bed and a soot blowers thereof, which are arranged in a flue gas channel in sequence. The SCR denitrification device is wide in application range, does not influence the power generation of the waste heat boilers, and realizes the waste heat utilization and denitrification; regulating valves are arranged in all links of the whole system so as to ensure the denitrification effect and save the ammonia usage amount; and the sooth blowers of the reactor adopts steam blowing, the pressure is precisely controlled, the steam of the waste heat boilers arranged in a matching can be fully utilized; and an openable door arranged at a position where the denitrification system is connected with the waste heat boilers can ensure that the waste heat boilers can independently or simultaneously operate.
Owner:CHENGDU DONGFANG KWH ENVIRONMENTAL PROTECTION CATALYSTS +1
Detection method, equipment and system of one-phase island of three-phase grid-connected inverter
ActiveCN103217595AAccurate judgmentEffective judgmentElectrical testingIslandingGrid connected inverter
The invention discloses a detection method, equipment and system of a one-phase island of a three-phase grid-connected inverter. Reactive currents are injected into output currents of the inverter, the phase difference between every two phases of voltages in a three-phase voltage is calculated before the reactive currents are injected, then the phase difference between every two phases of voltages in the three-phase voltage is calculated after the reactive currents are injected, and when the sum of phase difference values are greater than a set phase threshold value, the fact that the island happens is judged. By means of the method, the fact that whether the island happens or not can be judged accurately and effectively through the phase difference values, furthermore, due to the fact that the reactive currents are injected into the output currents of the inverter, the harmonic content of output wave forms is little, and only tiny reactive power change can be achieved in the grid-connecting process of the inverter. Compared with a disturbance method based on frequency or active power in the prior art, the injected reactive currents can not influence generating capacity.
Owner:HUAWEI DIGITAL POWER TECH CO LTD
Variable pitch control method and equipment for wind turbine generator set
ActiveCN110966143ALow costReduce impeller thrustWind motor controlMachines/enginesGenerating capacityPitch control
The invention provides a variable pitch control method and equipment for a wind turbine generator set. The variable pitch control method comprises the following steps of determining whether a vane ispositioned in an angle range capable of effectively measuring a clearance at present or not; when the vane is positioned in an angle range capable of effectively measuring the clearance, measuring theclearance of the vane positioned in the angle range capable of effectively measuring the clearance at present, and determining whether the measured clearance is smaller than a clearance threshold value or not; when the measured clearance is smaller than the clearance threshold value, in a process that a next adjacent vane is changed into the angle range capable of effectively measuring the clearance from a current position, gradually increasing an additional pitch angle given value of a next adjacent vane to a preset additional pitch angle given value, and obtaining the pitch angle given value of the next adjacent vane; and on the basis of the pitch angle given value of the next adjacent vane, controlling the next adjacent vane to carry out pitch variation. The variable pitch control method can be realized by a low cost, the clearance is increased, a tower-sweeping risk of the vane of the wind turbine generator set under an extreme wind situation can be lowered, and in addition, the electricity generating capacity of the wind turbine generator set is not affected.
Owner:BEIJING GOLDWIND SCI & CREATION WINDPOWER EQUIP
Auxiliary hybrid battery capacity detecting system and method of wind power variable pitch system
ActiveCN104198946AIncrease profitDoes not affect power generationElectrical testingCapacitanceLithium
The invention discloses an auxiliary hybrid battery capacity detecting system and method of a wind power variable pitch system. The auxiliary hybrid battery capacity detecting system comprises a PLC (Programmable Logic Controller), a lithium-power battery pack electric quantity detecting module, a super-capacitor group electric quantity detecting module, a result displaying module and a data storing device. The auxiliary hybrid battery capacity detecting method comprises the steps that: the PLC controls a charging state of a hybrid battery and the working process of each electric quantity detecting module; the lithium-power battery pack electric quantity detecting module and the super-capacitor group electric quantity detecting module after finishing the detection output the detected data to the PLC; the PLC calculates the data transmitted by each electric quantity detecting module, and outputs the processing result to the displaying module through a communication module RS2332C in the PLC; the result displaying module displays the data of the hybrid battery, including the capacity of each module of the battery, the total battery capacity, the aging degree and the like; finally, the data storing device stores the data so as to bring convenience to analysis of the hybrid battery in future.
Owner:JIANGSU UNIV OF SCI & TECH
Double-glass photovoltaic module
PendingCN109787549ADoes not affect power generationReduce weightPhotovoltaicsPhotovoltaic energy generationGenerating capacityJunction box
The invention discloses a double-glass photovoltaic module, and belongs to the technical field of the photovoltaic. The double-glass photovoltaic module comprises a laminating piece, a junction box and a first frame and a second frame arranged at two long sides of the laminating piece; the laminating piece comprises cover plate glass, a first package adhesive film, a battery string, a second package adhesive film and a backboard glass and a bus bar; a through hole is formed on the backboard glass, one end of the bus bar is connected with the battery string, the other end of the bus bar penetrates the through hole and is bent to form a bending side, thereby connecting with the junction box; the bending side of the bus bar does not contact with the edge of the through hole. The double-glassphotovoltaic module adopts the double-frame design, a loading capacity requirement can be satisfied, and the back generating capacity of the double-glass photovoltaic module cannot be affected since the a frame is inexistent at a module lower side to shield the light on the ground to irradiate to the module back after the double-glass photovoltaic module is arranged on the photovoltaic generationsystem, the double-glass photovoltaic module is hard to accumulate ash and snow, the weight of the double-glass photovoltaic module can be relieved, and the cost of the double-glass photovoltaic module is lowered.
Owner:SHANGHAI & SOLAR TECH
Balance type magnetic pole sudden change switchgear
ActiveCN104658785AEliminate the inconvenience of decoration and wiringSave building materialsElectric switchesMagnetic polesSteel ball
The invention relates to a switch, in particular to balance type magnetic pole sudden change switchgear. The balance type magnetic pole sudden change switchgear is characterized in that a cross beam steel frame and a coil box constituting a magnetic pole sudden change switch are arranged between an outer button cover and a base; a compressed spring is arranged in the middle of the cross beam steel frame, and two ends of the cross beam steel frame are connected with symmetrical clamping seats through leaf springs; a magnet box is clamped in each clamping seat, and an upper armature, a lower armature and a magnet are arranged in the magnet box; an iron core wound with a coil is arranged in the coil box and is located between the upper armature and the lower armature in each magnet box, ball holes are formed in the upper surface of an upper cover of the coil box, and steel balls are arranged in the ball holes and in contact fit with the compressed spring on the cross beam steel frame. Two steady states of own mechanism of the balance type magnetic pole sudden change switchgear are used to represent on and off states, and the operation mode and the hand feeling are the same as those of a traditional switch; the whole circuit can work without a battery or external power supply, energy is saved, and the environment is protected; inconvenience in decoration wiring is omitted for a user, building materials are saved greatly, a decoration project is simplified, and construction waste is reduced.
Owner:嘉兴市微能信息科技有限公司
Spare water-blocking dam for segment fixation hole and seam leakage flashboard detachable automatic alarm switch gate
InactiveCN101100847ADoes not affect power generationDoes not affect navigationBarrages/weirsEngineeringWater block
Owner:王德钰
Fault detection method, device and system for photovoltaic module
ActiveCN111953299ADoes not need to affect operating voltageDoes not affect power generationPhotovoltaic monitoringPhotovoltaic energy generationElectrical and Electronics engineeringReliability engineering
The invention provides a fault detection method, device and system for a photovoltaic module, and the method comprises the steps: obtaining the original information and filtering processing information of a multi-dimensional performance parameter of the photovoltaic module, and combining a multi-dimensional performance parameter value obtained after the normalization processing of the original information with the weight of the multi-dimensional performance parameter; and calculating a current characteristic value representing a current multi-dimensional operation characteristic of the photovoltaic module, and comparing the current characteristic value with a characteristic average value of the photovoltaic module in a preset reference period to determine whether the photovoltaic module has a fault or not, thereby realizing detection of the photovoltaic module fault caused by abnormity of different performance parameters. And the fault type of the photovoltaic module can be determinedaccording to the influence of the multi-dimensional performance parameters on the current characteristic value, so that accurate detection of multiple fault types of the photovoltaic module is realized.
Owner:HEFEI SUNGROW RENEWABLE ENERGY SCI & TECH CO LTD
Stacked solar photoelectricity and photothermal combined electric heating system
InactiveCN107702350ADoes not affect power generationAvoid lostSolar heating energyPhotovoltaicsTransformerWater storage tank
The invention discloses a stacked solar photoelectricity and photothermal combined electric heating system. The stacked solar photoelectricity and photothermal combined electric heating system comprises a water heating region, a heat preservation water storage tank, a steam generation region and an energy converting region. The water heating region is provided with N solar cell panels which are connected in series, the cell panels are hollow and are internally provided with supports, and the supports are provided with solar hot water generators. The front end of the water heating region is provided with a water inlet. The heat preservation water storage tank communicates with the water heating region and the steam generation region. The steam generation region is provided with 3N solar cell panels which are connected in series. Solar hot water generators in the steam generation region are connected with steam generators, the solar hot water generators are connected with vacuum pipes, and the vacuum pipes are connected with vacuum pumps through electromagnetic valves. A steam outlet of the steam generation region is connected with a heat accumulator, the heat accumulator is connected with a turbine and a generator, and a power grid is connected through a transformer. The stacked solar photoelectricity and photothermal combined electric heating system is novel in structure and convenient to use, under the situation that power generation of the solar cell panels is not affected, solar energy can be used for heating water to be used, generating steam to be used and generating power through the steam, and the utilization rate of the solar energy is increased.
Owner:江苏佳诣环保科技有限公司
Photovoltaic board with cleaning function
InactiveCN108453068AExtended service lifeGuaranteed power generationDrying gas arrangementsPhotovoltaicsElectrical and Electronics engineeringRubbing
The invention discloses a photovoltaic board with a cleaning function. The photovoltaic board comprises a photovoltaic board body which is a semi-cylinder body. The photovoltaic board body is sleevedwith a transparent anticorrosion cover which is a hollow semi-cylinder body. The transparent anticorrosion cover and the photovoltaic board body are arranged coaxially. A plane of the transparent anticorrosion cover is provided with a drive rod. The drive rod and the transparent anticorrosion cover are arranged coaxially. One end of the drive rod is connected with a first motor. Swing rods are fixedly connected to the two ends of the drive rod correspondingly. A fixing rod is arranged between the moving ends of the two swing rods. The fixing rod is of a hollow structure. The two ends of the fixing rod penetrate the moving ends of the two swing rods correspondingly and extend out of the moving ends of the two swing rods. A rubbing strip is arranged on the outer surface, facing the transparent anticorrosion cover, of the fixing rod. The rubbing strip is provided with a plurality of channels. The channels communicate with the interior of the fixing rod. A detergent mist spraying generation device, a deionized water eruption device and a blowing device are arranged at one end of the fixing rod. According to the photovoltaic board, dust on the transparent anticorrosion cover is clearedoff thoroughly, and therefore the generation capacity of the photovoltaic board body can reach the maximum.
Owner:郑州恒之博新能源科技有限公司
Solar module fault detection system and method
PendingCN109813716AEasy fault detectionFlexible fault detectionOptically investigating flaws/contaminationImage processingSolar module
The invention relates to the technical field of solar module fault detection and discloses a solar module fault detection system and method. The system comprises a visible light imaging module, an infrared imaging module, a three-axis adjustable movable mechanical module, a control module, a solar module luminous excitation module and a picture processing module, wherein the visible light imagingmodule and the infrared imaging module are both arranged on the three-axis adjustable movable mechanical module; the control module is connected with the three-axis adjustable movable mechanical module, the visible light imaging module and the infrared imaging module separately; the solar module luminous excitation module is used for being connected with a to-be-detected solar module during faultdetection; the picture processing module is connected with the visible light imaging module and the infrared imaging module separately. The method can be used for conveniently, flexibly and accuratelydetecting faults of the solar module.
Owner:东君新能源有限公司
IV scanning method, device and system
PendingCN113703489AEffective diagnosisDoes not affect power generationControl using feedbackEngineeringControl theory
The invention discloses an IV scanning method, device and system, and the method comprises the steps: obtaining a current meteorological parameter and the actual maximum output power of a photovoltaic inverter through a controller under the triggering condition of receiving an IV scanning starting instruction, obtaining the current theoretical output power of a photovoltaic module based on the current meteorological parameter, and transmitting the current theoretical output power to the controller, when the current theoretical output power of the photovoltaic module is greater than the actual maximum output power of the photovoltaic inverter, that is, the photovoltaic inverter works in a limited power state, calculating a target adjustment angle of the photovoltaic module when the photovoltaic inverter works at a limited power critical point, and after the inclination angle of the photovoltaic module is adjusted to the target adjustment angle, sending an IV scanning instruction to an IV scanning device, so that the IV scanning device executes an IV scanning function according to the IV scanning instruction, and at the moment, the IV scanning device can scan all IV data, so that a complete IV curve can be obtained, effective diagnosis on whether a photovoltaic module has a fault or not is realized, and normal operation and maintenance management of a photovoltaic power station is ensured.
Owner:合肥零碳技术有限公司
Tin-plated copper belt with identification mark
InactiveCN103258582AEfficient identificationPropaganda playsSingle bars/rods/wires/strips conductorsMetal/alloy conductorsMechanical equipmentSolar battery
The invention belongs to the technical field of mechanical equipment, particularly discloses a key part in a solar battery piece component, and relates to a tin-plated copper belt with an identification mark. The tin-plated copper belt comprises a copper material substrate and a tin-plated layer, and the outer surface of the copper material substrate is evenly coated with the tin-plate layer. The identification mark is arranged on the tin-plated layer. The thickness of the identification mark is smaller than that of the tin-plated layer. The identification mark is characters or patterns or a combination of characters and patterns. The identification mark is arranged on the surface of the tin-plated copper belt, the features such as the manufacturer and the model number of the tin-plated copper belt can be effectively identified, and errors during a tin-plated copper belt selecting process are avoided.
Owner:WUXI SVECK TECH
Multi-combination device of large-scale solar photovoltaic off-grid power generation system
InactiveCN104079239AMeet the powerImprove the quality of lifeBatteries circuit arrangementsPhotovoltaicsElectricityLow voltage
The invention discloses a multi-combination device of a large-scale solar photovoltaic off-grid power generation system. The multi-combination device is characterized by being composed of n off-grid power generation units (1), a low-voltage power distribution cabinet (2), a transformer (3) and an alternating load (4), wherein n is larger than or equal to 1 and is a positive integer. The off-grid power generation units (1) are connected with the low-voltage power distribution cabinet (2), the low-voltage power distribution cabinet (2) is connected with the transformer (3), and the transformer (3) is connected with the alternating load (4). According to the multi-combination device of the large-scale solar photovoltaic off-grid power generation system, abundant solar energy in the remote areas can be fully converted into electric energy needed by people in the life of the remote areas, the multi-combination mode can adapt to various environments, the solar energy can be utilized to the maximum degree, and unified management is convenient. Thus, the multi-combination device is an ideal power source in the non-electricity areas.
Owner:张祈泰 +1
A kind of anti-icing wind power generator blade and its preparation process
ActiveCN110469464BImproves UV resistanceImprove hydrophobicityMachines/enginesWind energy generationCold seasonMicro nano
Owner:QINGDAO UNIV
Double-glass photovoltaic module
PendingCN109756179AMeet load capacity requirementsDoes not affect power generationPhotovoltaicsPhotovoltaic energy generationPhotovoltaic power generationSnow
The invention discloses a double-glass photovoltaic module and belongs to the field of photovoltaic technology. The double-glass photovoltaic module comprises a laminated piece (1), a first border (21), a second border (22) and a third border (23), wherein the first border (21), the second border (22) and the third border (23) are arranged on the long edges at the two sides and the short edge at one side of the laminated piece (1) respectively; and the two ends of the third border (23) are connected with one end of the first border (21) and one end of the second border (22) respectively. According to the double-glass photovoltaic module, by the adoption of the three-border design, the load capability requirement can be met; since no border on the lower side edge of the module blocks illumination of ground light to the back of the module after the module is installed on a photovoltaic power generation system, the back power generation capacity of the double-glass photovoltaic module cannot be influenced; and moreover, the double-glass photovoltaic module is not prone to dust accumulation or snow accumulation, the weight of the double-glass photovoltaic module can be reduced, and thecost of the double-glass photovoltaic module can be lowered.
Owner:SHANGHAI & SOLAR TECH
Photovoltaic power generation panel cleaning device with supporting mechanism
ActiveCN111342764AEasy to cleanReduce labor intensityPhotovoltaic monitoringCleaning using toolsThermodynamicsHigh pressure water
The invention relates to a photovoltaic power generation panel cleaning device with a supporting mechanism. The photovoltaic power generation panel cleaning device comprises rails and a cleaning device moving on the rails, and the rails are arranged between the solar power generation panels in a factory. A water supply tank, a cleaning tank and a control box are separated in the cleaning device, and a water tank and a high-pressure water pump are arranged in the water supply tank. An electric cylinder I is arranged at the bottom of the cleaning box and drives a horizontal bottom plate above the electric cylinder I to move up and down, the two sides of the upper portion of the horizontal bottom plate are each provided with a guide rod, and the end faces at the inner sides of the guide rodsare concaved inwards to form sliding ways I. Telescopic rods are arranged in the sliding ways I in a sliding mode, and the strip-shaped cleaning plates are arranged between the telescopic rods and areused for cleaning the surfaces of the solar power generation panels. A power supply device, a control device, a wireless transmitting module and a wireless receiving module are arranged in the control box. Whether the surfaces of the solar power generation panels need to be cleaned or not can be judged according to the situation that the power generation efficiency of the solar power generation panel is reduced, and if needing to the cleaned, the solar power generation panels can be automatically cleaned.
Owner:国网山东省电力公司利津县供电公司 +1
Coal-fired unit and gas turbine combined power generation system
ActiveCN104314628BImprove power generation efficiencyLower exhaust gas temperatureSteam useCombined combustion mitigationEngineeringHigh pressure
Owner:HUADIAN ELECTRIC POWER SCI INST CO LTD
Photovoltaic power generation panel cleaning device
ActiveCN111342765AEasy to cleanReduce labor intensityPhotovoltaic monitoringCleaning using toolsPower stationEngineering
The invention relates to a solar panel automatic cleaning system for a solar power plant area. The solar panel automatic cleaning system comprises rails and a cleaning device moving on the rails, andthe rails are arranged between the solar power generation panels of a plant area. A water supply tank, a cleaning tank and a control box are separated in the cleaning device, and a water tank and a high-pressure water pump are arranged in the water supply tank. An electric cylinder I is arranged at the bottom of the cleaning box and drives a horizontal bottom plate above the electric cylinder I tomove up and down, the two sides of the upper portion of the horizontal bottom plate are each provided with a guide rod, and the end faces at the inner sides of the guide rods are concaved inwards toform sliding ways I. Telescopic rods are arranged in the sliding ways I in a sliding mode, a strip-shaped cleaning plate is arranged between the telescopic rods and is used for cleaning the surface ofthe solar power generation panel, and a power supply device, a control device, a wireless transmitting module and a wireless receiving module are arranged in the control box. Whether the surface of the solar power generation panel needs to be cleaned or not can be judged according to the situation that the power generation efficiency of the solar power generation panel is reduced, and if needingto be cleaned, the solar power generation panel can be automatically cleaned.
Owner:国网山东省电力公司利津县供电公司 +1
Energy-saving direct-current charging pile
PendingCN111267662AEnergy savingAchieve heat preservationBatteries circuit arrangementsCharging stationsElectric energyStructural engineering
The invention provides an energy-saving direct-current charging pile, which comprises a charging pile, wherein a bracket is arranged above the charging pile, a supporting frame is arranged above the bracket, heat insulation protective covers are arranged on the two sides of the supporting frame, a solar cell panel is arranged on the upper surface of the supporting frame and located between the twoheat insulation protective covers, a wiper motor is arranged at the middle end in each heat insulation protective cover, storage batteries are arranged on the two sides of the heat insulation protective covers, a PLC is arranged in the supporting frame, a wiper arm is arranged at one end of the wiper motor, and a lint layer is tightly attached to the lower surface of the wiper arm. According to the invention, heat energy is converted into electric energy through the solar cell panel, the electric energy is stored in the storage battery, the electric quantity of the charging pile is supplemented, and thus the purpose of saving energy is achieved. The wiper arm moves back and forth to clean dust on the surface of the solar cell panel, and the efficiency of solar photoelectric conversion isimproved.
Owner:湖南省润诚达新能源科技股份有限公司
A tower load monitoring method for a wind power generating set
ActiveCN111255638BDoes not affect power generationReduce labor costsWind motor controlEngine fuctionsNacelleMarine engineering
The invention discloses a tower load monitoring method of a wind power generating set, which is based on the principle: when the wind power generating set is in the standby state of small wind, the load received by the tower mainly comes from the gravity of the nacelle and blades, etc. , the tower load will form a relatively regular sine wave signal, and the loads corresponding to different nacelle azimuth angles are constant, that is, when the wind turbine is shut down after running for a period of time, and the wind speed is basically the same as the wind speed at the time of yaw, The load value of the tower can be calculated according to the azimuth angle of the nacelle; the strain gauges need to be installed on the inner wall of the tower before implementing this method. The present invention can automatically judge whether the signal has drifted through the first calibration, and if there is drift, it can continuously and automatically correct the subsequent signals without multiple calibrations and personnel intervention, which can save a lot of labor costs, and automatically The correction is also completed in a small wind standby state, which does not affect the power generation of the wind turbine at all.
Owner:GUANGDONG MINGYANG WIND POWER IND GRP CO LTD
Photosensitive glass outer layer assembly for solar photovoltaic power generation
InactiveCN113193066AGuaranteed conversion efficiencyPlay a protective effectPhotovoltaic energy generationSemiconductor devicesFixed frameEngineering
The invention discloses a photosensitive glass outer layer assembly for solar photovoltaic power generation, which comprises a fixed frame and a battery panel, and is characterized in that the inner side of the fixed frame is fixedly connected with the peripheral side of a photovoltaic panel body; the photovoltaic panel body is formed by fixedly bonding an upper tempered glass plate, a photosensitive glass plate, a battery panel, a reflective layer and a lower tempered glass plate in sequence from top to bottom, the lower surface of the lower tempered glass plate is fixedly bonded to the upper surface of a heat dissipation plate, fixing strips are fixedly installed on the peripheral side of a fixing frame, a vacuum interlayer is arranged between the battery panel and the photosensitive glass plate, heat absorbed by the photosensitive glass plate can be effectively prevented from being transferred to the battery panel to cause temperature rise of the battery panel, influence on the photoelectric conversion efficiency and reduce the power generation efficiency. The lower surface of the lower tempered glass plate is fixedly adhered to the upper surface of a heat dissipation plate, and the lower surface of the heat dissipation plate is fixedly connected with a plurality of heat dissipation fins, so that the heat dissipation effect can be achieved, the temperature rise of the battery panel is avoided, and the power generation efficiency is reduced.
Owner:ANHUI XUNENG PHOTOVOLTAIC POWER CO LTD
Monitoring equipment for forest fire protection
InactiveCN114658978AImprove battery lifeGuaranteed cooling efficiencyTelevision system detailsMowersWeedWind driven
The invention discloses monitoring equipment for forest fire protection, and relates to the technical field of forest fire prevention. Comprising a collecting box, a plurality of wind power shafts and a wind driven generator, sleeves are installed on the wind power shafts, wind power blades are installed on the sleeves, the wind power shafts are connected with the wind driven generator, the wind driven generator is installed in a shell, the outer side of each wind power shaft is covered with a frame, and the wind power shafts are connected with the wind driven generator. A plurality of through holes are formed in the frame, and cutting knives are installed in the through holes. According to the monitoring equipment for forest fire protection, the outer sides of the wind power shaft and the wind power blades are covered with the frame and the cutting knife, the frame is driven by the cutting motor to rotate, weeds and branches extending into the frame are cut off, the situation that the wind power blades are clamped by the weeds or the branches can be prevented, manual cleaning of workers is not needed, and the working efficiency is improved. The wind power blades can generate power normally, and the cruising ability of the device is prolonged.
Owner:盖云 +2
Libra type magnetic pole sudden change switchgear
ActiveCN104658785BEliminate the inconvenience of decoration and wiringSave building materialsElectric switchesElectrical batteryMagnetic poles
Owner:嘉兴市微能信息科技有限公司
Arc-shaped photovoltaic panel
InactiveCN108418536ADoes not affect power generationGuaranteed power generationPhotovoltaicsPhotovoltaic energy generationEngineeringGenerating capacity
The invention discloses an arc-shaped photovoltaic panel. The photovoltaic panel comprises a photovoltaic panel body which is semi-cylindrical, a transparent anticorrosion cover of a hollow semi-cylindrical shape sleeves the photovoltaic panel body, and the transparent anticorrosion cover and the photovoltaic panel body are arranged coaxially; a driving rod is arranged in a plane of the transparent anticorrosion cover and coaxial with the transparent anticorrosion cover, and one end of the driving rod is connected with a first motor which drives the driving rod to rotate; and the two ends of the driving rod are fixedly connected with two swing rods respectively, the length of each swing rod is greater than the radius of the transparent anticorrosion cover, a fixed rod is arranged between movable ends of the two swing rods, the two ends of the fixed rod extend out of the movable ends of the swing rods respectively, the external surface, facing the transparent anticorrosion cover, of thefixed rod is provided with an erasing strip, and the erasing strip is arranged in parallel with the central axis of the fixed rod. The generating capacity of the photovoltaic panel is not influenced,the photovoltaic panel is protected, the photovoltaic panel is body can be prevented from corrosion, and the service life of the photovoltaic panel is prolonged.
Owner:郑州恒之博新能源科技有限公司
A process for synergistically producing calcium aluminate powder using power station boilers
ActiveCN110950367BUniform temperatureReduce manufacturing costCalcium aluminatesChemical industryCoalBoiler (power generation)
The invention discloses a process for synergistically producing calcium aluminate powder by using a power station boiler. A microcomputer batching device is used to prepare raw materials, and the raw materials include the following components in the following weight proportions: coal 50%-70%, calcium oxide 10%- 20%, alumina 20%~30%; after the raw materials are mixed, they are conveyed to the crusher (mill) for crushing and pulverizing; the crushed powder materials are sent to the storage bin (homogenization bin) through the material conveyor; The boiler feeding device is sent to the power station boiler for combustion; the fly ash after combustion is collected by the dust collector and enters the finished product warehouse. The invention makes full use of the characteristics of power station boilers, and converts fly ash into calcium aluminate powder products under the premise of controlling the ratio of raw materials, combustion temperature and other process indicators without affecting power generation; greatly reducing the production cost of calcium aluminate powder , improve energy efficiency.
Owner:张保森
Pitch control method and device for wind power generating set
ActiveCN110966143BDoes not affect power generationReduce the risk of tower sweepingWind motor controlMachines/enginesControl engineeringGenerating capacity
The invention provides a variable pitch control method and equipment for a wind turbine generator set. The variable pitch control method comprises the following steps of determining whether a vane ispositioned in an angle range capable of effectively measuring a clearance at present or not; when the vane is positioned in an angle range capable of effectively measuring the clearance, measuring theclearance of the vane positioned in the angle range capable of effectively measuring the clearance at present, and determining whether the measured clearance is smaller than a clearance threshold value or not; when the measured clearance is smaller than the clearance threshold value, in a process that a next adjacent vane is changed into the angle range capable of effectively measuring the clearance from a current position, gradually increasing an additional pitch angle given value of a next adjacent vane to a preset additional pitch angle given value, and obtaining the pitch angle given value of the next adjacent vane; and on the basis of the pitch angle given value of the next adjacent vane, controlling the next adjacent vane to carry out pitch variation. The variable pitch control method can be realized by a low cost, the clearance is increased, a tower-sweeping risk of the vane of the wind turbine generator set under an extreme wind situation can be lowered, and in addition, the electricity generating capacity of the wind turbine generator set is not affected.
Owner:BEIJING GOLDWIND SCI & CREATION WINDPOWER EQUIP CO LTD
Non-middle-frusta steel gate capable of lodging
ActiveCN100585087CMeet the requirements of flood dischargeAdjustable water levelBarrages/weirsArchitectural engineeringSupport plane
The invention discloses a middle pier free steel gate capable of being fallen down. The invented steel gate comprises a bottom plate (23), and is characterized in that the bottom plate (23) is connected to a water retaining panel (1) which is connected to at least two supporting racks (4) connecting to supporting rack moving devices. A rotating shaft (6) is disposed under the water retaining panel (1) which is provided with a globoidal shape. One end of a flexible loose sheet (5) is connected with the lower end of the water retaining panel (1), and the other end thereof is connected with the bottom plate (23). The invented steel plate does not block water and has a good flood discharge effect. The invented steel gate is provided with a low cost, uniform force, and a long service life, and can be used conveniently and safely.
Owner:YANTAI TIANSHENG RUBBER
Wind turbine pitch angle calibration method and calibration device
ActiveCN108204335BDoes not affect power generationMeet the requirements of maximum power trackingWind motor controlMachines/enginesMaster controllerEngineering
The invention provides a variable-pitch angle calibration method and device for a wind generating set. The variable-pitch angle calibration method for the wind generating set comprises the steps thatin the operating state, the wind generating set is locked for yaw processing; in the locked yaw processing state, blades of the wind generating set are adjusted to a preset angle in a variable-pitch mode from the current zero-degree position stored in a master controller; in the process of adjusting the blades to the preset angle in the variable-pitch mode, the maximum power value of the wind generating set is determined; and according to the maximum power value, the blade pitch angle corresponding to the maximum power value is determined, and the zero-degree blade pitch angle stored in the master controller is set to the blade pitch angle corresponding to the maximum power value. By adoption of the variable-pitch angle calibration method and device for the wind generating set, the calibration accuracy is improved, the calibration process is completed automatically without halts, and the calibration effect can better meet the maximum power tracking requirement of the wind generating set.
Owner:BEIJING GOLDWIND SCI & CREATION WINDPOWER EQUIP CO LTD
Cascade reservoir hydropower station group scheduling control system and method for fish habitat protection
ActiveCN107506909BAchieve protectionRealize joint ecological dispatchData processing applicationsDesign optimisation/simulationFish habitatStream flow
The invention discloses a fish habitat protection cascade reservoir hydropower station group scheduling control system and method. The system comprises an information collecting module, a data monitoring module, a habitat simulation module, a scheduling simulation module and a real-time regulation module. According to the invention, the basic information and real-time information of various fish habitats in upstream and downstream reaches of a river are fully combined; through simulation and scheduling simulation analysis of various fish habitats in various river reaches, different ecology assurance rates are set for various river reaches; the relationship between the ecology assurance rates and ecology flow ranges is clarified; the flexibility and efficiency of ecology scheduling control are improved; united ecology scheduling of a cascade hydropower station group is realized; and the fish habitat protection cascade reservoir hydropower station group scheduling control system and method have the advantages of high practicability and wide promotion prospect.
Owner:HOHAI UNIV
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