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99results about How to "No size limit" patented technology

Cost benefit analysis method of renewable energy source distributed generation operation mode

The invention relates to a cost benefit analysis method of a renewable energy source distributed generation operation mode. The method comprises the following steps: determining all operation modes of the renewable energy source distributed generation; performing match analysis on the distributed contribution and a load curve, and determining different types of electric quantity; determining property right demarcation points, boundary conditions and calculation parameters of the distributed generation under different operation modes; determining the expense composition and income composition of the distributed generation in the whole life cycle under different operation modes; determining the total expense present value, annual average expense present value, total income present value and annual average income present value of the distributed generation in the whole life cycle under different operation modes; determining the benefit/cost value PI of the distributed generation in the whole life cycle under different operation modes; and selecting the scheme with the greatest benefit/cost value, and determining the optimal operation mode of the distributed generation. The method provided by the invention lays a firm theoretical foundation for making supporting policies for the renewable energy source distributed generation and distribution network.
Owner:CHINA ELECTRIC POWER RES INST +1

Optimization method of renewable energy source distribution type power generation operation mode

The invention relates to an optimization method of a renewable energy source distribution type power generation operation mode, comprising the following steps of: when determining a distribution type power generation operation mode, carrying out matching analysis on distribution type power generation capacity and a load curve according to factors such as the renewable energy source conditions in a pilot region and regional development planning; carrying out analysis on the feasibility, the advantages and the disadvantages of each of distribution type power generation operation mode, and determining an access scheme and a distribution network power supply scheme of distribution type power generation in different operation modes; calculating a cost composition and an income composition in different operation modes according to boundary conditions, calculation parameters and the like; and taking a time value of money in consider, and calculating a total cost present value, a total income present value, an annual average cost present value, an annual average income present value and an income/cost value PI in the entire life cycle in different operation modes, thereby determining an operation mode with optimal economy. With the adoption of the optimization method, a solid theoretical basis is formulated and established for matching policies related to renewable energy source distribution type power generation and a distribution network.
Owner:CHINA ELECTRIC POWER RES INST +1

Cylindrical lithium ion battery capable of automatically pre-lithiating and preparation method thereof

The invention discloses a cylindrical lithium ion battery capable of automatically pre-lithiating and a preparation method thereof. The battery comprises a battery shell, a battery cap, a battery celland electrolyte, the battery cell and the electrolyte are arranged in the battery shell, the battery cell is formed by winding a positive plate, a negative plate and a diaphragm arranged between thepositive plate and the negative plate at intervals, the negative plate is connected with a negative lug, and the negative lug is connected to the bottom of the battery shell; a central hole is formedin the center of the battery cell, and metal lithium or lithium-containing alloy is added to the bottom of the battery shell through the central hole; and the metal lithium or the lithium-containing alloy is electrically communicated with the negative lug. The invention provides an external lithium source. An SEI film (a solid electrolyte interface film) can be formed on the surface of the negative electrode after liquid injection of the battery, the problem of too low initial efficiency of the negative electrode is solved, the battery capacity is improved, the negative electrode can be further embedded into the negative electrode, the negative electrode active lithium reserve is increased, and the capacity loss caused by too fast negative electrode active lithium consumption in the long-term storage or circulation process of the battery is prevented.
Owner:SHANGHAI INST OF SPACE POWER SOURCES

Micro/nanometer secondary surface array and preparation method and application thereof

The invention discloses a 'cactus' micro / nanometer secondary surface array structure, a preparation method and application of the 'cactus' micro / nanometer secondary surface array structure. The micro / nanometer secondary surface array is formed in the manner that nanoscale copper 2 sulphur (Cu2S) nanometer lines grow on the surface of micron scale Cu2S spherical crowns, and the Cu2S spherical crowns are periodically distributed on the surface of a substrate. Compared with a common plane nanometer line array, the Cu2S'cactus' micro / nanometer secondary surface array further increases specific surface area, and increases probability of generation of charge carriers. Meanwhile, when the angle of incident light changes, change of relative position between the nanometer lines and light rays is small, and change of light absorption is small, so the light absorption can maintain good performance within the wide light incident angle. When the Cu2S'cactus' micro / nanometer secondary surface array is applied to the field of solar energy, the Cu2S'cactus' micro / nanometer secondary surface array can overcome the defects of degrading the performance along with the position of the sun, or changing angles of devices continuously along with the change of illumination angles to cause complexity of structure of the devices and increase of cost.
Owner:SUN YAT SEN UNIV

Power distribution network photovoltaic power station locating and sizing method based on second-order cone theory

The invention discloses a power distribution network photovoltaic power station locating and sizing method based on the second-order cone theory. The method comprises steps that the number of PV powerstations accessed by the power distribution network is set to be M, the corresponding capacity of each photovoltaic power station is Cm, on the condition that the minimum power distribution network line loss is taken as a target function, the voltage of each node of the power distribution network is within the normal range, each line of the power distribution network is not overloaded, and the power grid with low-medium voltage levels of the power distribution network does not have trend reversal to the power grid with the high voltage level, a photovoltaic power station locating and sizing optimization model is established, the photovoltaic power station locating and sizing optimization model is calculated based on the second-order cone theory, optimal locating and sizing of the power distribution network photovoltaic power station is obtained, and power distribution network photovoltaic power station locating and sizing based on the second-order cone theory are completed. The methodis advantaged in that power distribution network photovoltaic power station locating and sizing can be realized.
Owner:STATE GRID CORP OF CHINA +1

Method for preparing low-resistance titanium nitride film through low-temperature magnetron sputtering

The invention discloses a method for preparing a low-resistance titanium nitride film through low-temperature magnetron sputtering. The method comprises the steps of using a chip with one side polished as a substrate, selecting ultrahigh vacuum magnetron sputtering equipment, and placing the chip on a heating table; closing a vacuum cavity cover, vacuum pumping, and inputting nitrogen and argon for magnetron sputtering; stopping input of the nitrogen and the argon after sputtering; turning off a molecular pump and a mechanical pump after cooling, opening a vent valve, and taking out a sample after the temperature of the heating table decreases to the normal temperature to obtain the low-resistance titanium nitride film; adjusting the sputtering power, working voltage, the temperature during film sputtering, the flow ratio of the nitrogen and the argon and the total flow so that the low-resistance titanium nitride film is made finally, and the thickness of the film is controlled through controlling the sputtering power and the sputtering time. In the method disclosed by the invention, the heating temperature of the required substrate is low, only 400 DEG C, and the feasibility is high; the titanium nitride film prepared is low in resistance, high in uniformity and flatness, and wide in application prospect.
Owner:ZHEJIANG UNIV

Swash plate type mortar sucking and discharging spraying pasting machine

The invention discloses a swash plate type mortar sucking and discharging spraying pasting machine which comprises a bracket and a machine body capable of lifting along the bracket, wherein a pasting plate, a swash plate type mortar sucking and discharging device and a reciprocating type mortar spraying device are arranged on the machine body; the swash plate type mortar sucking and discharging device is connected with the reciprocating type mortar spraying device through a hose; mortar discharged by the swash plate type mortar sucking and discharging device is conveyed to the reciprocating type mortar spraying device through the hose to be sprayed to a wall body; the pasting plate extrudes and flattens the mortar sprayed to the wall body; the power of the swash plate type mortar sucking and discharging device, the reciprocating type mortar spraying device and the pasting plate is supplied by a motor in the machine body. By adopting a swash plate type axial piston mortar pump, the swash plate type mortar sucking and discharging spraying pasting machine has the advantages of high pressure, simple and compact structure, high efficiency, high flow, no limitation from the sizes of the particles in the mortar and the like, and the phenomenon of hollowing easily formed in the wall body of a pasted wall in the prior art can be thoroughly eliminated.
Owner:佛山意瑞达建筑机械有限公司

Web model lightweight processing method and device and readable storage medium

The invention provides a Web model lightweight processing method and apparatus, and a readable storage medium. The method comprises the steps of obtaining a data structure of a to-be-optimized three-dimensional scene; wherein the to-be-optimized three-dimensional scene comprises at least one sub-tile data block; calculating the simplification degree of each sub-tile data block, and if the simplification degree of the sub-tile data block exceeds a preset simplification value, performing first processing on the sub-tile data block to generate a new sub-tile data block; deploying the new sub-tiledata blocks in the corresponding first boundary bodies respectively, and deploying the new tile data blocks in the at least one first boundary body in the corresponding second boundary bodies; and soon until all the new sub-tile data blocks are allocated to a boundary body and the like. According to the method, the lightweight processing of the to-be-optimized three-dimensional scene is realizedby performing the first processing on all the sub-tile data blocks of which the simplification degree exceeds the preset simplification value, so that the display and loading speed of the three-dimensional scene is improved, and the user experience is improved.
Owner:郑州信大先进技术研究院

Real-time display and cloaking device for camera color screen and method thereof

The invention provides a real-time display and cloaking device for a camera color screen and a method thereof. Each display screen of the device is connected with a display control card by data lines; the display control card is connected with a computer by a data line; the computer is connected with a USB flash disk converter by a data line; the USB flash disk converter is connected each camera by data lines; the back surface of each display screen is provided with magnetic strips; each display screen is connected with an electrode; and the voltage is 5 v. The method comprises the following specific steps of: 1, arranging each display screen on each plane of a carrier; 2, connecting each display screen arranged on each plane of the carrier with the display control card by using the data lines, and controlling all display screens by using the display control card; 3, connecting the cameras arranged on each display screen with the USB flash disk by using the data lines, and converting images shot by all of the cameras into electric signals and inputting the electric signals into the computer; and 4, inputting processed electric signals into the display control card by using the computer, and distributing the input electric signals to each display screen by using the display control card.
Owner:李丹

Connector blind-mating guiding device

ActiveCN110890669ASimple structureIncrease the blind insertion function of the manipulatorEngagement/disengagement of coupling partsStructural engineeringMechanical engineering
The blind-mating guiding device comprises a plug sleeve assembly, the plug sleeve assembly comprises a plug outer sleeve, the plug outer sleeve is a cylinder of which one end is open and the other endis provided with a perforated cover plate, and the side wall of the plug outer sleeve is provided with a screw hole; the plug inner sleeve is a cylinder which is through along the axis, an annular groove is formed in the side wall of the plug inner sleeve, a plug is installed in the plug inner sleeve, an annular space is formed between the plug inner sleeve and the plug outer sleeve, and a contact part is arranged at the end, close to the plug, of the outer wall of the plug inner sleeve in the radial direction; the installation screw extends into the annular groove through the screw hole; thesocket sleeve is a cylinder penetrating along the axis, a spiral track is arranged on the inner wall of the socket sleeve, and a socket is coaxially installed on the inner side of the end, away fromthe spiral track, of the socket sleeve. And the socket sleeve is inserted into the annular space, so that the plug and the socket are inserted to complete connection after the contact part moves to aposition where the plug and the socket are circumferentially aligned along the spiral track.
Owner:TSINGHUA UNIV

Method and device for measuring atomization particle size distribution and atomization rate of high-melting-point materials

The invention provides a method and device for measuring atomization particle size distribution and the atomization rate of high-melting-point materials. The device comprises a sealed container, a sealed crucible, heating devices, a collecting vessel and a pipeline adjusting device; the sealed crucible and the heating devices are arranged in the sealed container, the heating devices are arranged on the periphery of the sealed crucible, and the collecting vessel is connected with the lower part of the sealed crucible; the pipeline adjusting device comprises a main pipeline, a first branch pipeline, a second branch pipeline, an inflating hole and an exhaust hole, wherein the first branch pipeline and the second branch pipeline are connected with the main pipeline, and the inflating hole andthe exhaust hole are formed in the sealed container; the first branch pipeline communicates with the sealed container, and the second branch pipeline communicates with the sealed crucible; and a gas flowmeter is mounted on the main pipeline, and a pressure gauge is mounted on the second branch pipeline. All liquid drops in an atomization field are collected and cooled into solid particles, and theproblems that an existing method and device are insufficient in resolution ratio, and overall particle size distribution and atomization rate of the atomization field cannot be measured are solved successfully.
Owner:HARBIN ENG UNIV

Wind direction control structure of air conditioner

The invention discloses a wind direction control structure of an air conditioner. The wind direction control structure comprises an up-down air deflector and a left-right air deflector, wherein the up-down air deflector is movably arranged on an air outlet duct of an indoor unit of the air conditioner; the up-down air deflector comprises a plurality of transverse air deflectors which are longitudinally arranged at intervals, and supporting plates which are arranged on the two sides of the transverse air deflectors; the supporting plates are fixedly connected with the plurality of transverse air deflectors; an accommodating cavity is formed between the two adjacent transverse air deflectors; the left-right air deflector comprises a plurality of longitudinal air deflectors; the plurality oflongitudinal air deflectors are rotatably arranged in the accommodating cavities; the longitudinal air deflectors in the two adjacent accommodating cavities are in one-to-one correspondence; and whenthe longitudinal air deflectors rotate to a certain angle, the longitudinal air deflectors close an air outlet of the air conditioner. The wind direction control structure of the air conditioner has the function of adjusting wind left and right, and is applicable to the air conditioner of which the air outlet is relatively large.
Owner:SUZHOU QINGRUI AIR SYST

High-power circulator for L-waveband micro-discharge suppression of satellite

The invention discloses a high-power circulator for L-waveband micro-discharge suppression of a satellite, belonging to the technical field of microwave components and parts. The high-power circulatorcomprises a circulator main body and a connector connected with two ends of the connector main body, wherein the connector main body mainly comprises an upper cavity and a lower cavity which are mutually connected, an upper medium and a lower medium are respectively arranged in the upper cavity body and the lower cavity body, the inside of the connector is formed by the surrounding of the inner sides of the upper medium and the lower medium, substrates are arranged on the inner sides of the upper medium and the lower medium, and central conductors are arranged on the substrates; and a connector inner conductor and a connector medium are arranged in the connector, the central conductor is connected with the connector inner conductor, and the connector medium extends into the circulator andis staggered with the upper medium and the lower medium. According to the high-power circulator, the micro-discharge can be effectively suppressed, the structure and boundary dimension of a product are not limited, the high equipment input is not required, the process is simple, and the high-power circulator is suitable for popularization.
Owner:SOUTHWEST INST OF APPLIED MAGNETICS

Method and device for splicing multi-face units into integral material

The invention belongs to the technical field of material forming, and provides a method for splicing multi-face units into an integral material. The method includes the following steps: arranging the multiple multi-face units in a connected mode along straight lines to form strip-shaped unit sets; arranging the multiple strip-shaped unit sets in a connected mode along a plane to form the plate-type integral material. If a plurality of plate type integral materials are stacked in a connected mode in the normal direction, a block type integral material can be formed. By means of the method, the multiple multi-face units can be effectively and orderly spliced into the integral material. The invention further provides a device for splicing the multi-face units into the integral material. The device is used for implementing the method and comprises a base, a standard plate, a pushing and pressing plate, a pressing part and a baffle. A processing groove used for containing the multi-face units is defined on the base by the standard plate, the pushing and pressing plate, the baffle and the pressing part. The device is based on the method, the large number of multi-face units can be efficiently and orderly spliced into the integral material, implementation is easy, and the rejection rate is low.
Owner:SHENZHEN INST OF ADVANCED TECH

High-temperature circular-heating fluidized bed pyrolysis gas producing system

InactiveCN103254941BAddress unmanageable maladiesAvoid Separation ProcessesEnergy inputGranular/pulverulent flues gasificationFluidized bedThermal insulation
The invention belong to the field of high-efficiency reutilization of biomass solid wastes, and particularly relates to a high-temperature circular-heating fluidized bed pyrolysis gas producing system and a corresponding gas producing method. The system comprises a gasification material feed system, a thermal insulation jacket, a fluidized bed, a gas distributor, a waste heat boiler, a grid feeder, a cyclone dust collector, a circular heating furnace, an inclined tube nest, a high-temperature circulating blower, a common blower, a fuel supplementing system, a dust removal purifier and a gas storage device. The gas producing method with the system comprises the following steps: introducing heated high-temperature gas into the gasification raw material for fluidization and gasification to obtain pyrolysis gas; removing powder carbon from the pyrolysis gas by the cyclone dust collector, and dividing the gas into circular gas and outlet gas by the gas distributor; removing impurities from the outlet gas, and storing; and heating the circular gas to remove tar to obtain high-temperature gas, and recirculating. Compared with the prior art, the fluidizing agent used in the invention is pyrolysis gas of biomass, so no tar is generated after high-temperature circulation and purification.
Owner:BEIJING UNIV OF CHEM TECH
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