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12results about How to "Lower run" patented technology

Anti-off groove hoisting pulley device

ActiveCN224350300Uavoid damagePrevent de-grooving
The utility model relates to hoisting machinery technical field, and disclose a kind of hoisting pulley device of anti-drop slot, solve the problem proposed in background art, it includes pulley body, support and steel wire rope, further include: anti-drop slot mechanism, the anti-drop slot mechanism includes rotatable baffle being symmetrically arranged in the both sides of pulley body, rotatable baffle is hinged with support by pivot;Self-locking mechanism, the self-locking mechanism includes ratchet strip being arranged on at least one side baffle and elastic pawl being arranged on support, ratchet strip and elastic pawl engage to constitute one-way locking structure;Reset mechanism, the reset mechanism includes torsion spring being sleeved on pivot, the utility model, with can effectively block steel wire rope, even in the case where steel wire rope swings or deflection, also can prevent its drop slot, reduce manual intervention, improve the degree of automation of device, also avoid the effect of hoisting failure or equipment damage due to baffle not reset.
Owner:LANGFANG CHENGDI MASCH EQUIP CO LTD

Unmanned aerial vehicle energy optimization method, system and equipment for power grid inspection

The invention belongs to the technical field of unmanned aerial vehicle routing inspection, and particularly relates to an unmanned aerial vehicle energy optimization method, system and equipment for power grid routing inspection, and the method comprises the steps: firstly obtaining power grid routing inspection data and power grid environment data of a power grid in a historical time period; determining power grid abnormal data, an abnormal solution and scheme feedback information of each cell according to the power grid inspection data; based on the power grid abnormal data and the power grid environment data, obtaining a plurality of cell comprehensive areas and inspection key positions; updating the exception solution based on the scheme feedback information to obtain a standard exception scheme; and performing power grid abnormity inspection on the inspection key position, and if a power grid abnormity exists in a power grid inspection result, determining a corresponding real-time solution according to the standard abnormity scheme. The method can directly focus a key area, greatly improves the inspection efficiency, can provide a standard abnormality scheme to reduce the loss caused by the abnormality of the power grid, and improves the operation reliability and stability of the power grid.
Owner:ECONOMIC & TECH RES INST OF HUBEI ELECTRIC POWER COMPANY SGCC

Non-integer linear array doa estimation method based on accelerated iterative hard thresholding

ActiveCN121479116BImprove DOA estimation accuracyImprove estimation accuracyDirection findersComplex mathematical operationsAlgorithmTotal least squares
The non-integer linear array DOA estimation method based on accelerated iterative hard threshold value comprises the following steps: constructing a model comprising a non-integer linear array and received signals thereof; generating an estimated value of an ideal covariance matrix of the received signal model; constructing a difference co-array and a sparse optimization model of the non-integer linear array according to the received signal model; solving the sparse optimization model by using an iterative hard threshold algorithm combined with an Armijo type step length criterion to automatically adjust the step length and a support set, and obtaining an initial angle estimation; and generating an accurate angle estimation by performing a first-order Taylor expansion on the initial angle estimation. The application expands the array degrees of freedom by constructing a difference co-array, takes a single fast sample covariance vector as a sparse representation input, adaptively accelerates the convergence by combining the iterative hard threshold algorithm and the Armijo step length criterion, and compensates for the off-grid error caused by grid division by using a Taylor expansion total least square method, so that high-precision DOA estimation is realized under a small number of fast shots.
Owner:HANGZHOU DIANZI UNIV

Paging area configuration method and apparatus, computer device, storage medium, and product

ActiveCN116887311Bimprove rationalitylower run
The application relates to a paging area configuration method and device, computer equipment, a storage medium and a product. The method comprises the following steps: determining a seed cell and a high-traffic candidate cell set from each cell according to busy-time network operation data of each cell in a target network area; determining a plurality of high-traffic areas in the target network area according to the correlation degree between each high-traffic candidate cell in the high-traffic candidate cell set and the seed cell; and performing paging area configuration on the target network area according to the plurality of high-traffic areas in the target network area. The above method can first determine the seed cell and each high-traffic candidate cell in the target network area, then determine the plurality of high-traffic areas in the target network area according to the correlation degree between each high-traffic candidate cell and the seed cell, and finally accurately configure the paging area through the plurality of high-traffic areas, thereby improving the rationality of the paging area configuration.
Owner:CHINA TELECOM CORP LTD TECHNOLOGY INNOVATION CENTER +1

Parameter image acquisition method and related device

PendingCN121981295AReduce the number of callslower runQuantum computersQuantum circuitAlgorithm
The invention discloses a parameter image acquisition method and a related device, and belongs to the technical field of quantum computing, and the method comprises the steps: carrying out the sampling from parameter combinations of a variable component sub-algorithm, and obtaining a sampling combination and a measurement matrix, the measurement matrix being determined by the number of the parameter combinations and the sampling proportion during the sampling; for each sampling combination, running a quantum circuit corresponding to the variable component sub-algorithm carrying the sampling combination to obtain a corresponding sampling loss function value; under the condition that complete loss function values corresponding to all parameter combinations are transformed based on a preset sparse basis matrix, determining a target sparse vector representing a transformation result based on the sampling loss function values and a measurement matrix; and obtaining a parameter picture of a variable component sub-algorithm through the target sparse vector and the sparse basis matrix. By applying the embodiment of the invention, the function calling times can be reduced, the quantum circuit operation is reduced, and the calculation overhead is reduced.
Owner:ORIGIN QUANTUM COMPUTING TECH (HEFEI) CO LTD

Resource allocation method, apparatus, device, storage medium, and program

PendingCN122285265ABalancing resource allocation needsEfficient memory managementResource assignmentUser device
This application provides a resource allocation method, apparatus, device, storage medium, and program. The method includes: receiving a current resource request from a user device; determining a target waiting queue corresponding to a target priority from multiple request waiting queues based on the remaining resource status of preset cached page resources, the target service type of the current resource request, and the page request volume, and adding the current resource request to the target waiting queue; after the page resources of the preset cached page resources are released, obtaining at least one remaining polling count value from at least one remaining waiting queue in the multiple request waiting queues and the current polling count value of the target waiting queue; allocating page request volume to the current resource request in the target waiting queue based on the remaining polling count values ​​of each remaining waiting queue and the current polling count value of the target waiting queue, and updating the current polling count value corresponding to the target waiting queue. This method improves resource utilization.
Owner:ZHONGKE TENGLONG INFORMATION TECH CO LTD

Hydrogen membrane separation device

ActiveCN224156638UAchieve secondary preventionPrevent water removalDispersed particle filtrationFiberCarbon fibers
The utility model discloses a hydrogen membrane separation device, which realizes double-prevention water removal through the matching action of a water filtering buffer tank, a U-shaped heater and a separator buffer tank, and realizes secondary prevention through the water absorption and compression resistance action of carbon fiber filler in the water filtering buffer tank. According to the overheating protection system, when too much steam enters the U-shaped heater, the temperature of gas is too high, the overheating protection system controls the steam adjusting valve to adjust the opening degree through the reaction of the process gas filter to reduce air, meanwhile, part of tail gas is pressurized through the draught fan, and the tail gas self-adjusting valve is automatically opened to be mixed with process gas to reduce the temperature; under the action of the overheating system, the film pipe can be better protected, and the shutdown frequency caused by melting of the film pipe is avoided; after the starting and stopping times are reduced, the operation and maintenance cost is reduced; and the permeated gas filter filters dust and purely conveys gas to a subsequent system, so that the dust of the membrane tube entering the subsequent system is reduced.
Owner:CHENGDU LONGJINSHENG NEW MATERIAL TECH CO LTD

Efficient and energy-saving air conditioner terminal device

The efficient and energy-saving air conditioner terminal device comprises a shell and filter cloth, the upper side and the lower side of the right portion of the outer wall of the shell are both communicated with air inlet pipelines, the middle of the inner wall of the shell is fixedly connected with a frame, and the left side and the right side of the top of the filter cloth are both slidably connected with sliding handles. A plurality of filtering holes are formed in the front portion of the filtering cloth, a plurality of communicating holes are formed in the inner wall of the filtering cloth and communicate with the corresponding filtering holes, a water storage pool is formed in the top of the frame, and a collecting groove is formed in the bottom of the inner wall of the frame. According to the air conditioner terminal device, air flow penetrates through the wet filter cloth and then enters the photocatalyst filter screen, harmful gas is catalytically degraded and bacterial toxins are decomposed under the action of the ultraviolet germicidal lamp, the air temperature is reduced through evaporation and heat absorption of the filter cloth, operation of a compressor is reduced, additional humidification equipment is not needed in winter, and energy conservation and disinfection are achieved.
Owner:SICHUAN INSITITUTE OF BUILDING RES

A chain conveyor with a vertical displacement structure

This utility model discloses a chain conveyor with a vertical differential structure, belonging to the technical field of conveyor equipment. Multiple conveyor chain units are arranged on the frame, with the symmetry plane of each unit coinciding with the center line of the frame. The multiple conveyor chain units are arranged in a stepped manner on the frame. The frame is equipped with a drive mechanism for simultaneously moving the multiple conveyor chain units and a guide plate for guiding the transported goods. This application can meet the mixed conveying needs of pallets with different sizes. The power output (conveyor chain) of this application features a vertical differential structure and a single power source, which can be matched with multiple power outputs.
Owner:ROSENHEIMER (BEIJING) AUTOMATION & CONVEYANCE TECH CO LTD

Power distribution network expansion planning method and system considering light storage and charging collaborative optimization access

The invention discloses a power distribution network extension planning method and system considering light storage and charging collaborative optimization access, and the method comprises the steps: constructing a target function of power distribution network planning, and considering the investment cost and operation cost; considering power generation power supply constraints, including distributed power supply and superior power grid power purchase; energy storage configuration and operation constraints are considered; the constraint of the optical storage and charging access distribution network is considered; considering operation constraints of the power distribution network; based on a target function of power distribution network planning, power generation power supply constraints, energy storage configuration and operation constraints, constraints of optical storage and charging access to a distribution network and operation constraints of the power distribution network, a distribution network extension planning model considering optical storage and charging collaborative optimization access is established, a Gurobi and CPLEX solver is called in MATLAB for solving, and a power distribution network extension planning scheme is obtained. The method can relieve the local load pressure, reasonably expand the infrastructure of the power distribution network, and ensure the safe operation of the power distribution network.
Owner:XI AN JIAOTONG UNIV

Vegetable oil refining system

ActiveCN224091832Ulower runDoes not affect productionFatty-oils/fats refiningVegetable oilElectric machinery
The utility model relates to a vegetable oil refining system, which comprises a drying tower, a drying tower, a heating device, a heating device and a control system, and is characterized in that the drying tower is used for drying vegetable oil flowing out from a neutralization section; the first conveying pump is connected with the drying tower and is used for conveying the dried vegetable oil in the drying tower; the heater is connected with an outlet of the first conveying pump and is used for heating the vegetable oil; and the vacuum desolventizing tower is connected with the outlet of the heater and is used for removing peculiar smell and peroxide value in the vegetable oil under a vacuum condition. According to the vegetable oil refining system disclosed by the utility model, the desolventizing tower is used, so that the operation of a motor in a physical section can be saved, the average power consumption per ton can be reduced by 2.15 KWH, and the energy is saved corresponding to the national policy of energy conservation and emission reduction; the production of a physical section is not influenced, the first-grade oil can be continuously processed and produced, and the daily production capacity can be increased by 700-800T.
Owner:YIHAI KERRY (ANHUI) GRAIN & OIL IND CO LTD

Device for promoting dehydrogenation of methylcyclohexane at low temperature under assistance of electric field, catalyst and preparation method of catalyst

PendingCN121775779AReduce apparent activation energyReduce C-H bond dissociation energyHydrogenHydrocarbonsPtru catalystPhysical chemistry
The invention discloses a device for promoting methylcyclohexane dehydrogenation at low temperature under the assistance of an electric field, a catalyst and a preparation method thereof, and belongs to the crossing field of catalytic chemistry, hydrogen energy technology and reaction engineering. The device is composed of a gas supply system, an electric field assisted methyl cyclohexane dehydrogenation system and a product gas analysis system which are connected through a gas pipeline. The catalyst is obtained by mechanically mixing silicon carbide powder and a platinum-loaded metal oxide modified alumina carrier, tabletting and molding, crushing and screening. The catalyst is arranged in the quartz reaction tube and is connected with the high-voltage power supply through the positive electrode and the negative electrode, and the quartz reaction tube is arranged in the high-temperature reaction furnace; by introducing an external electric field, apparent activation energy of methyl cyclohexane dehydrogenation can be remarkably reduced through a Joule heating effect and a surface electron effect, and energy consumption is greatly reduced; according to the method, hydrogen production through decomposition of methyl cyclohexane can be achieved at low temperature, operation is remarkably reduced, the operation cost is remarkably reduced, and an innovative solution is provided for achieving green hydrogen energy economy.
Owner:JILIN UNIVERSITY