Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

60results about How to "Reduce operating pressure" patented technology

Zone area self-healing optimization control method and system based on flexible interconnection

The invention relates to a transformer area self-healing optimization control method and system based on flexible interconnection. The method comprises the following steps: S1, constructing an operation monitoring network based on equipment ledgers in a transformer area; s2, deploying flexible interconnection equipment at key nodes of a transformer area to realize fault isolation and power failure transfer, dynamic load transfer and voltage regulation, and flexible cooperative control of a distributed power supply and energy storage equipment; s3, introducing an equipment state evaluation model based on the transformer area operation data obtained by the operation monitoring network, and obtaining state evaluation and risk early warning of each equipment in the transformer area; s4, constructing a flexible interconnection dynamic topology management mechanism between the stations, and dynamically adjusting the interconnection topology between the stations according to the load transmission demand and the power supply condition; and S5, based on state evaluation and risk early warning of each device, performing load regulation and control and fault recovery according to a dynamic topology management mechanism of flexible interconnection. According to the invention, efficient and intelligent transformer area operation and power supply reliability improvement are realized.
Owner:HAIDONG POWER SUPPLY COMPANY STATE GRID QINGHAI ELECTRIC POWER +2

Automatic dispatching control system based on photovoltaic power generation

The invention relates to the technical field of automatic dispatching and management of a power system, and discloses an automatic dispatching control system based on photovoltaic power generation, which comprises a photovoltaic power generation unit used for converting solar energy into electric energy and monitoring power generation power and power generation efficiency in real time; the energy storage unit is electrically connected with the photovoltaic power generation unit and is used for storing redundant electric energy and intelligently releasing the electric energy according to the load state of the power grid; the meteorological monitoring module is used for collecting and predicting meteorological data in real time, the meteorological data comprise sunlight intensity, temperature, wind speed and the like, and generating a short-term weather forecast; and the demand response management system is electrically connected with the power grid and the user side equipment, and the system intelligently identifies non-critical load equipment by monitoring the load of the power grid in real time. The intelligent scheduling module is combined with meteorological prediction and real-time data, so that the system can dynamically adjust the output power of the photovoltaic power generation unit, ensures that the power generation capacity is matched with the power grid demand, reduces the power waste, and maximizes the utilization of renewable energy sources.
Owner:周杨

Hydrogen direct-fired supercritical carbon dioxide energy storage power generation device system and operation method

The invention provides a hydrogen direct-fired supercritical carbon dioxide energy storage power generation device system and an operation method. The hydrogen direct-fired supercritical carbon dioxide energy storage power generation device system comprises a hydrogen production and storage unit, a carbon dioxide energy storage unit and a hydrogen fuel combustion power generation unit. And the hydrogen production and storage unit and the carbon dioxide energy storage unit are respectively connected with the hydrogen fuel combustion power generation unit. Two energy storage media of liquid carbon dioxide and high-energy-density green hydrogen are used for energy storage, and super-long-time energy storage can be achieved; and heat energy is subjected to cascade coupling application, stored heat and turbine exhaust heat are fully used for a carbon dioxide cyclic heating heat source, the external emission heat loss of the system is reduced, and the system efficiency is high.
Owner:SHANGHAI POWER EQUIPMENT RESEARCH INSTITUTE CO LTD

Sulfate-containing waste liquid treatment system and method for acrylonitrile and acrylonitrile combination device

The invention provides a sulfate-containing waste liquid treatment system and a sulfate-containing waste liquid treatment method for acrylonitrile and a combination device thereof, the system comprises at least two sets of waste liquid treatment units and a set of flue gas treatment unit, sulfate waste liquid is divided into two strands to enter the two sets of waste liquid treatment units for combustion, waste heat utilization and quenching purification, the discharged sulfur-containing flue gas is collected and enters a set of flue gas treatment unit, the sulfur-containing flue gas subjected to deep cooling, demisting and drying can be directly used for producing high-purity sulfuric acid, and a two-end and one-tail mode is adopted, so that the operation flexibility of the system is improved, and the treatment pressure is reduced. In the waste liquid treatment unit, a high-temperature reaction device adopts segmented air distribution, so that sufficient combustion of waste liquid is ensured, and SO2 loss is reduced; a special temperature field and structural design in the waste heat boiler can prevent the heat exchange device from scaling and blocking; a venturi scrubber is adopted in the quenching purification device to quench the flue gas, and a protective liquid film is formed on the contact interface of the high-temperature flue gas and a liquid phase, so that the temperature of equipment is effectively reduced, and corrosion of the high-temperature flue gas is prevented.
Owner:SHANGHAI SHENGLANHUI TECHNOLOGY CO LTD

Intelligent airport scene operation scheduling system based on virtual simulation

The invention discloses an intelligent airport scene operation scheduling system based on virtual simulation, and belongs to the field of airport resource scheduling. Comprising an acquisition preprocessing module, a modeling simulation module, a demand analysis module, an environment monitoring module, a traffic flow optimization module, a detection early warning module, a decision support module, a monitoring feedback module, a dynamic scheduling module, a command execution module and a performance evaluation module. The method can prevent problems in advance instead of passively dealing with the problems, effectively reduces the operation pressure and resource conflicts in peak periods, reduces the occurrence of congestion conditions, can make more economical and efficient decisions in resource use, reduces the extra cost caused by resource waste or improper allocation, remarkably improves the flexibility of the system in dealing with emergencies, and improves the safety of the system. The problem of falling into local optimum is avoided, the robustness and adaptability are greatly improved, the continuity and smoothness of airport operation are ensured, and large-scale delay is avoided.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Quaternary ammonium salt modified strong anion monolithic column

The invention relates to a quaternary ammonium salt modified strong anion monolithic column, and discloses a monolithic column material, and quaternary ammonium salt groups are grafted on the internal surfaces of pores and channels in the monolithic column material. The quaternary ammonium salt group exists in the form of EP-OCH2CH (OH) CH-N + R1R2R3. The monolithic column prepared by the invention is rich in hydroxyl groups, has excellent compatibility to an elution object containing biomacromolecules, has excellent specific adsorption capacity for nucleic acid substances, and is suitable for enrichment and separation of DNA and / or RNA substances.
Owner:YU JI (SHANGHAI) BIOLOGICAL TECH CO LTD

Full-amount treatment system for low-carbon landfill leachate

The invention relates to a full-amount treatment system for low-carbon landfill leachate. The full-amount treatment system comprises a pretreatment unit, an anaerobic treatment unit, an external membrane bioreactor unit, a nanofiltration unit and a reverse osmosis unit which are connected in sequence, the external membrane bioreactor unit comprises a denitrification reactor, a nitration reactor and an ultrafiltration membrane; effluent of the anaerobic treatment unit enters a denitrification reactor, effluent of the denitrification reactor enters an ultrafiltration membrane to generate concentrated sludge, and part of the concentrated sludge flows back to the denitrification reactor; produced water of the ultrafiltration membrane assembly enters a nanofiltration unit; the nanofiltration unit generates nanofiltration produced water, the nanofiltration produced water enters the reverse osmosis unit to be treated to generate reverse osmosis produced water, and the reverse osmosis produced water is discharged or recycled; the nanofiltration concentrated solution enters a nanofiltration concentrated solution treatment unit to be subjected to flocculent precipitation and oxidative degradation treatment, and generated water returns to the external membrane bioreactor unit from the second water tank; the reverse osmosis concentrated solution enters the reverse osmosis concentrated solution treatment unit to be subjected to oxidative degradation, precipitation separation and evaporative crystallization treatment so as to generate recycled evaporative condensate water. The device has the characteristics of excellent effluent quality and low energy consumption.
Owner:XUANANG ENVIRONMENTAL TECH CO LTD

Cooperative scheduling method and system for multiple reactive power resources of power distribution network, terminal and medium

The invention discloses a power distribution network multi-reactive power resource cooperative scheduling method and system, a terminal and a medium, and relates to the technical field of power scheduling. An electric vehicle aggregator is regarded as a charging load and a continuous reactive power compensation device to participate in power grid dispatching; establishing a power distribution network deterministic reactive power optimization model under the participation of the electric vehicle; converting the power distribution network deterministic reactive power optimization model according to the scene data to obtain a scene clustering-based two-stage distribution robust reactive power optimization model; and constraining the probability deviation of each discrete scene, and solving by adopting a column sum constraint generation algorithm. Through scene clustering, EV charging load fluctuation, EV reactive power capacity fluctuation and conventional load fluctuation which are finally caused by various random factors can be effectively represented, and the problem that large-scale electric vehicles participate in distribution network reactive power optimization and are difficult to estimate, regulate, control and cooperate is solved.
Owner:STATE GRID SICHUAN ELECTRIC POWER CORP ELECTRIC POWER RES INST

A screw press

The present invention provides a screw press, comprising: a frame; a feed hopper; a pressing screw connected to the feed hopper for pushing materials; a driving motor connected to the pressing screw for driving the pressing screw to move; a screen located between the pressing screw and the frame; a back pressure device connected to the slag discharge end of the pressing screw for squeezing the materials pushed by the pressing screw to obtain solid slag and slurry; a discharge port arranged at the slag discharge end of the pressing screw for discharging solid slag; a slurry mixing and sand removal hopper arranged below the screen for accommodating slurry filtered by the screen; a sand lifting screw connected to the slurry mixing and sand removal hopper for discharging heavy materials in the slurry through the sand discharge port at the end of the sand lifting screw; and a slurry outlet for discharging the slurry after sand removal. According to the present invention, the solid-liquid separation of materials is better achieved, the resource recovery rate is improved, and at the same time, the operating pressure and load of subsequent processing equipment are reduced, and the service life and maintenance cycle of the equipment are extended.
Owner:EVERBRIGHT ENVIRONMENTAL TECH CHINA CO LTD

Yaw control method and device for typhoon-resistant wind turbine generator system and storage medium

The invention discloses a yaw control method and device for a typhoon-resistant wind turbine generator system, a storage medium, an electronic device and a computer program product. The method comprises the steps that when it is determined that the remaining duration of typhoon reaching the wind turbine generator system is smaller than a first preset duration according to meteorological data, the typhoon reaches the wind turbine generator system; the voltage and current transformation equipment is controlled to supply power to the wind turbine generator set by adopting electric energy provided by an external power grid and charge the energy storage equipment; and controlling the wind turbine generator system to stop generating power when determining that the residual duration of the typhoon reaching the wind turbine generator system is less than a second preset duration or monitoring that the wind speed is greater than a set value. When it is determined that the external power grid is powered off, the energy storage device is controlled to supply power to the wind turbine generator; and based on power supply of the energy storage equipment, the yaw direction of the wind turbine generator is controlled to be consistent with the wind direction of the typhoon. The operation safety of the wind turbine generator set under the extreme weather condition is ensured, the typhoon resistance of the wind turbine generator set is improved, and the damage risk of typhoon to the wind turbine generator set is reduced.
Owner:HUANENG (FUJIAN) ENERGY DEV CO LTD +2

Mercaptopyridine modified monolithic column

The invention discloses a monolithic column material. Pyridine groups are grafted on the inner surfaces of pores and channels in the monolithic column material. The pyridyl exists in the form of EP-OCH2CH (OH) CH-SPy, and the structural formula is shown in the description. The monolithic column prepared by the invention is rich in hydroxyl groups, has excellent compatibility to an elution object containing biomacromolecules, has excellent specific adsorption capacity for nucleic acid substances, and is suitable for enrichment and separation of DNA and / or RNA substances.
Owner:YU JI (SHANGHAI) BIOLOGICAL TECH CO LTD

MLAG environment flow load balancing method, equipment and medium

The invention discloses an MLAG environment flow load balancing method, equipment and a medium, belongs to the technical field of MLAG environment flow control, and is used for solving the problem that a load sharing method for configuring link convergence on uplink and downlink equipment at present can only carry out load sharing on incremental messages such as mac, ip and the like and cannot solve large-flow load balancing of the same mac and the same ip. The method comprises the following steps: establishing an MLAG link aggregation group; performing flow statistics on the downlink device in an incoming direction to obtain first flow information; according to the first traffic information, controlling the traffic to move to the first forwarding device and / or the second forwarding device, and respectively counting second traffic information moving to the first forwarding device and third traffic information moving to the second forwarding device; and according to the second flow information and the third flow information, whether a flow imbalance condition occurs is judged, and if yes, flow load balance adjustment is carried out on the two forwarding devices by adjusting the bandwidth used by the port.
Owner:INSPUR NETWORK TECH (SHANDONG) CO LTD

Explosion-proof video conference system and video conference implementation method

The invention relates to the technical field of television image communication, in particular to an anti-explosion conference television system and a conference television implementation method. The method comprises the following steps: acquiring an original conference image stream through multi-source image acquisition, performing displacement compensation and multi-resolution fusion, generating a standardized image stream, simulating conference communication transmission, checking image feature quality, deducing equipment load, analyzing the bearing capacity of the explosion-proof conference television, and obtaining a bearing capacity change curve; and according to the curve, screening out a limit load point, carrying out load reduction segmentation, generating a low-load image stream, carrying out path redistribution on the low-load image stream, forming a path distribution matrix, and realizing real-time transmission so as to ensure effective operation of the explosion-proof conference television. According to the invention, a safer and more efficient explosion-proof conference television realization method is realized.
Owner:SHENZHEN MEIJIA TECH CO LTD

Energy storage system coordination controller and control method

The invention provides an energy storage system coordination controller and a control method, an electric energy control strategy prediction model is deployed in the energy storage system coordination controller, an electric energy control instruction matched with power grid operation data and electric energy index data is identified and output, the electric energy control instruction is reported to an upper computer, and the upper computer executes the electric energy control instruction on energy storage equipment. Therefore, the AI model is deployed on the controller to identify and output the electric energy control instruction matched with the operation condition and the system index of the energy storage equipment, and the electric energy control instruction is transmitted to the upper computer to execute control on the energy storage equipment, so that intelligent recommendation and management of the control strategy can be realized by utilizing the model, the maintenance difficulty of the control strategy is reduced, and the maintenance efficiency is improved. Only one-key updating of model training data is needed subsequently, and the dimension is simple. And the upper computer only needs to carry out equipment coordination control management according to the feedback electric energy control instruction, so that the background operation pressure is greatly reduced, the control management efficiency of mass energy storage equipment is improved, and the applicability is enhanced.
Owner:HANGZHOU XINGFENG INTELLIGENT TECH CO LTD

Material conveying device for a cogeneration combustion boiler

ActiveCN224589926UFlexible change of volume shapeRealize sliding
This utility model relates to the field of conveying device technology, and in particular to a material conveying device for a cogeneration combustion boiler. The technical solution includes a support frame, a set of transmission rollers rotatably arranged between the support frames, and a transmission belt between the transmission rollers; a motor fixedly mounted on one side of the support frame, the output end of the motor being connected to one end of the transmission rollers via a diverter; and multiple connecting plates fixedly mounted on the outer wall of the transmission belt, with a hopper assembly for material conveying fixedly mounted on one side of each connecting plate. This utility model allows for flexible adjustment of the hopper's volume and shape according to actual production needs, thereby precisely controlling the material conveying amount, avoiding excessive or insufficient material conveying, reducing energy waste, lowering equipment operating pressure, and ensuring stable boiler combustion and production capacity output.
Owner:CHANGZHOU XINGANG THERMOELECTRICITY

Transformer fault diagnosis method based on feature selection and improved IPSO-BP-Adaboost

The invention discloses a transformer fault diagnosis method based on feature selection and improved IPSO-BP-Adaboost, and the method comprises the following steps: calculating an out-of-bag error rate through a random forest, screening out a gas combination which is most beneficial to the improvement of diagnosis precision, carrying out the optimization of parameters of a double-hidden-layer back propagation network through an improved particle swarm algorithm, and carrying out the optimization of the parameters of the double-hidden-layer back propagation network. And an Adaboost algorithm is used to improve the robustness of the IPSO-BP diagnosis model. According to the method, four strategies of SPM chaotic mapping based on reverse learning, adaptive inertia weight, spiral flight search and crisscross variation are innovatively introduced to improve the particle swarm optimization. According to the method, the problems that a traditional particle swarm algorithm is prone to falling into local optimum, low in convergence speed and insufficient in population diversity are solved; the defect that a traditional BPNN network is sensitive to the weight and bias of neurons is overcome; the accuracy of the diagnosis result is greatly improved, and the stability of the model diagnosis result is ensured.
Owner:JIANGSU UNIV OF TECH +1

Modular filtering device for air compressor

The modularized filtering device for the air compressor comprises a protective shell, a ventilation cover is fixedly installed on the upper end face of the protective shell, a limiting supporting ring is installed on the inner side of the upper end of the protective shell, a filtering net is arranged on the upper end face of the limiting supporting ring, and a first damping sealing ring is arranged on the side edge of the upper end face of the filtering net. A partition mounting frame is mounted on the inner side of the first damping sealing ring, and a plurality of bidirectional ventilation mechanisms are fixedly mounted at the upper end of the partition mounting frame. A first supporting spring is arranged in the middle of the upper end face of the partition mounting frame, an air guide frame is fixedly mounted on the outer side of the middle of the partition mounting frame, and a vibration motor is fixedly mounted on the upper end face of the air guide frame. Air entering the air compressor is filtered, the filtering pressure of a filter element of the air compressor is effectively reduced, the service life is prolonged, dust blockage is avoided, the air compressor can be self-sealed, and the sealing effect of the air compressor is kept when the air compressor is not used.
Owner:SUZHOU HONGBEN MASCH MFG CO LTD

A low temperature evaporation crystallization system and methods of use thereof

PendingCN122682281AAvoid feature breakageOptimize layout
This invention discloses a low-temperature evaporation crystallization system and its usage method, including a distillation kettle, the top of which has a steam pipe connected to a distillation water system via a cold-side heat exchanger. The distillation kettle is equipped with a heat exchange component to heat the internal raw liquid. The output end of the heat exchange component is connected to a storage tank containing refrigerant. The heat exchange component, storage tank, cold-side heat exchanger, and compressor form a heat pump circulation loop. A branch 1 is connected in parallel to the heat pump circulation loop between the storage tank and the cold-side heat exchanger, and a refrigerant pump is installed on the branch 1. A fourth branch is connected in parallel to the heat pump circulation loop between the cold-side heat exchanger and the distillation kettle. A heat exchange structure is provided at the bottom of the storage tank, which heats the refrigerant in the storage tank during the preheating stage. Thus, heating the refrigerant during the preheating stage replaces the existing heating of the raw liquid, effectively avoiding damage to the properties of the raw liquid during preheating. Furthermore, the overall layout is simple and compact, and can be quickly adapted to meet the preheating requirements of low-temperature evaporation.
Owner:JIANGSU WEISHENGDA INTELLIGENT EQUIP TECH CO LTD

Intelligent traffic management and control system based on intelligent lamp pole

The invention discloses an intelligent traffic management and control system based on an intelligent lamp post. An application system comprises a street lamp system, a power supply system, an environment system, a security and protection system, a traffic system, a network system and an audio and video system. The base layer comprises a lighting street lamp, and the lighting street lamp is further provided with a camera, a playing assembly, a sensor, a power supply device, a positioner, a miniature base station and an alarm; the communication layer comprises a wireless network, a wired network, a firewall, a security gateway, a public WIFI, a government affair network, a data upload and a data download; the platform layer comprises data analysis, equipment access, big data, a storage module, data encryption, authority management, artificial intelligence and edge calculation; according to the invention, congestion prediction is carried out on the intersection through artificial intelligence and edge calculation, the basic layer serves the citizens, the serviceability of the citizens is improved, a government affair network exclusive network channel facilitates one-key alarm, and the alarm efficiency is improved.
Owner:ZHANG JIA GANG CHI SHENG KE JI YOU XIAN GONG SI

A monitoring method and monitoring system for Internet of Things devices

The present invention discloses a monitoring method and a monitoring system for Internet of Things equipment, and relates to the technical field of equipment monitoring. The monitoring method of the present invention comprises: equipment acquisition, monitoring analysis, equipment monitoring, data analysis and monitoring feedback. The monitoring frequency of the equipment is confirmed according to the use of the equipment and the use of the equipment in each historical monitoring cycle, and the type of each sensor is confirmed according to environmental data. In the monitoring process of each sensor, the collection state and transmission state of each sensor are detected. At the same time, according to the collection data of each sensor, the running state of the equipment is analyzed, and the intelligent selection of sensors and the intelligent setting of monitoring frequency in the early stage of equipment monitoring are realized, so as to ensure the adaptability of the sensor to the environment, and at the same time, ensure the suitability of the equipment monitoring frequency, and increase the sensor collection effect and transmission speed, so as to ensure the effect and efficiency of equipment monitoring.
Owner:NANJING CHUFENG TECH CO LTD

A reverse osmosis membrane device and method for recycling a finishing liquid

The application discloses a reverse osmosis membrane device for recycling finishing liquid, which comprises a finishing liquid concentration recovery device and a draw solution regeneration device, the finishing liquid concentration recovery device comprises a water inlet circulating tank, a water inlet circulating pump, a finishing liquid concentration recovery membrane assembly, a draw solution circulating pump and a draw solution circulating tank, and the draw solution regeneration device adopts two-stage reverse osmosis treatment; the application further discloses a method for recycling finishing liquid, which uses the reverse osmosis membrane device for recycling finishing liquid, the finishing liquid concentration recovery device separates the finishing liquid from water by using the osmotic pressure of the draw solution and the water inlet pressure, realizes the concentration of the finishing liquid, and the draw solution is recycled after being regenerated by the reverse osmosis membrane, and the produced water is used as desalted water. The tubular reverse osmosis membrane assembly has high interception rate for the finishing liquid, strong anti-pollution performance, and is easy to clean and replace.
Owner:SINOSTEEL WUHAN SAFEY&ENVIRONMENT PROTECTION RES

Agricultural irrigation electrical load flexible regulation and control system matched with whole-process safety protection

The invention discloses an agricultural irrigation electrical load flexible regulation and control system matched with whole-process safety protection. The agricultural irrigation electrical load flexible regulation and control system comprises an orderly power utilization management platform, an internet-of-things management platform, power transmission line load monitoring equipment and terminal monitoring equipment, the power transmission line load monitoring device communicates with the Beidou director through a Beidou satellite, the power transmission line load monitoring device accesses the safety access platform through the Beidou director to communicate with the Internet of Things management platform, and the terminal monitoring device is connected with the transformer area fusion terminal. The terminal monitoring equipment is accessed to the security access platform through the transformer area fusion terminal to communicate with the Internet of Things management platform; according to the invention, a security protection system is established in the system, security linkage combination of a data acquisition layer, a data transmission layer, a data storage layer and a data application layer is realized, identity authentication and access control are used as links, integrated security protection measures are established, systematic protection capability is provided for intelligent agricultural application, and the security protection system has a wide application prospect. And safe and sustainable operation of the system is ensured.
Owner:TACHENG POWER SUPPLY CO OF STATE GRID XINJIANG ELECTRIC POWER CO LTD

Intelligent substation management and control system and method based on BIM (Building Information Modeling)

The invention relates to the technical field of intelligent management and control of substations. The intelligent substation management and control system comprises a data acquisition module, a data transmission module and a data analysis module, the data acquisition module is used for acquiring basic information data and maintenance resources of a transformer substation through a building information model and acquiring position information of the transformer substation; the data transmission module is used for transmitting the acquired basic information condition and maintenance resource of the transformer substation and the position information of the transformer substation; and the data analysis module is used for predicting maintenance resources of the transformer substation and planning position information of the newly-built transformer substation. According to the method, the resources needing to be consumed by the transformer substation are predicted, the predicted value is compared with the construction cost of the transformer substation, one of a new transformer substation building mode and a maintenance mode is selected, resource waste is reduced, and the workload of the transformer substation is relieved.
Owner:广州邺辰信息科技有限公司 +1

Heat storage and exchange device and solar energy and air energy combined cooling and heating system containing the device

The present invention provides a heat storage and exchange device and a solar energy and air energy combined heat and cold supply system including the device. The heat storage and exchange device includes an outer shell, an inner shell and an insulation layer. The inner shell is provided with a water inlet, a water outlet, a heat pump medium inlet, a heat pump medium outlet, a solar energy medium inlet and a solar energy medium outlet. An inner coil is provided in the inner shell, and a sleeve coil is provided on part of the inner coil. The solar energy and air energy combined heat and cold supply system including the device also includes a solar energy collection system, an air source heat pump heating and cooling unit, a fan coil terminal system and a floor heating coil terminal system. The solar energy and air energy combined heat and cold supply system realizes the organic combination of solar energy and air source heat pump, has low cost, and effectively solves the problems of high-voltage protection and frequent startup in the operation of the heat pump main unit.
Owner:JIANGSU HUAYANG SOLAR ENERGY CO LTD

A building energy-saving control system for construction sites

The present invention relates to the field of building energy-saving control for construction sites, and specifically to a building energy-saving control system for construction sites. The system includes an energy monitoring module, an environmental monitoring module, an equipment management module, an energy analysis module, an environmental analysis module, a personnel positioning control module, and a real-time scheduling module. The equipment management module is used to maintain and manage various construction site equipment at the construction site. The personnel positioning control module uses positioning technology to obtain the distribution of construction personnel on site, and then reasonably allocates energy to the energy needs of different equipment. The real-time scheduling module intelligently controls the lighting and ventilation equipment in a specific area based on the environmental parameters obtained in real time. The present invention makes it possible to monitor energy consumption in real time and intelligently control the operation of equipment, laying a solid technical foundation for the research and development and application of building energy-saving control systems for construction sites.
Owner:GUANGDONG KAIHU CONSTR CO LTD

Cross-process image drawing method and device, equipment and medium

The application discloses a cross-process image drawing method and device, equipment and medium, and the method comprises the following steps: in response to an image drawing event acting on a first image drawing process executed by a central processing unit, obtaining a target handle corresponding to a to-be-drawn image of the image drawing event; based on the target handle, generating a shared buffer of to-be-drawn image data, and establishing an address mapping between a memory address of the to-be-drawn image in the first image drawing process and a disk address in the shared buffer; based on the memory address, reading image data of the to-be-drawn image in the first image drawing process, and storing the image data to the disk address in the shared buffer; after the to-be-drawn image is completely stored to the shared buffer, the to-be-drawn image is pushed to a second image drawing process executed by an image processor, and the second image drawing process is driven to draw the to-be-drawn image. The application can reduce the image drawing pressure of the central processing unit and save the running memory, so as to improve the stability of the system.
Owner:GUANGZHOU FANGGUI INFORMATION TECHNOLOGY CO LTD

Button battery laser ring welding device

The present invention belongs to the technical field of battery processing, and discloses a button battery laser ring welding device, including a machine platform, a finished product unloading linear module is fixedly installed in the middle position of the top of the machine platform, a loading linear module is fixedly installed on the rear side of the top of the machine platform, a loading linear module is slidably installed on the top of the loading linear module, a shift fork line positioning fixture is fixedly installed on the top of the loading platform, and a positioning groove is placed on the top of the shift fork line positioning fixture. The present invention realizes fully automatic laser ring welding through a simple and easy-to-use mechanism design, adopts a cover plate pressing down positioning mechanism, and uses sensors for detection in multiple places of the whole machine, thereby improving the production efficiency of the production line, reducing manual labor intensity, and greatly improving the yield of finished products. The present invention will effectively replace manual labor to enable the button battery industry to realize unmanned production as soon as possible. The mechanical structure of the equipment is designed based on the principle of manual operation, and is convenient for maintenance and debugging, which will reduce maintenance costs and product costs.
Owner:SHANGHAI FENENG AUTOMATION TECH CO LTD

Safe self-driving method of intelligent guided vehicle and U-shaped automated container terminal

The present invention discloses a safe self-driving method for an intelligent guided vehicle and a U-shaped automated container terminal, including laying out a number of magnetic nails in the operation site of the intelligent guided vehicle; writing an absolute position code corresponding to the laying position of each magnetic nail; installing an antenna on the intelligent guided vehicle; demarcating a synchronization area; configuring all intelligent guided vehicles entering the synchronization area to simultaneously start the antenna to charge the passing magnetic nails and read data to obtain the absolute position of the intelligent guided vehicle; planning the driving route of the intelligent guided vehicle according to the absolute position and target position of the intelligent guided vehicle; configuring the intelligent guided vehicle to automatically drive according to the driving route. The present invention configures adjacent intelligent guided vehicles to start measuring positions at the same time, thereby eliminating the problem that the strong electric field generated by the antenna of one intelligent guided vehicle charging the magnetic nails causes the antenna of another intelligent guided vehicle to fail to read the magnetic nail data and cannot be positioned, thereby ensuring the reliability and accuracy of the positioning of the intelligent guided vehicle.
Owner:GUANGXI QINZHOU FREE TRADE PORT ZONE HONGGANG TERMINAL CO LTD

A top-loading coal-type coke oven airing and dust removal system

The present invention discloses a top-loading coal type coke oven airing dust removal system, including a collection trolley and a dust removal device, wherein the collection trolley is composed of a smoking boom, a lifting grab, a mobile trolley, a box support, an outer end beam, an inner driven end beam and an inner active end beam, and the dust removal device is composed of a smoke conveying duct, an induced draft fan and a bag filter. A collection box is placed on the top of the box support, guide wheel guide rails are welded on both sides of the collection box, trolley guide rails are welded on both sides of the top of the collection box, the mobile trolley is welded on the outer end beam, the inner driven end beam and the inner active end beam, and a motor reducer is installed on one end of the mobile trolley through a mounting frame. The invention has a movable smoke collection mechanism, has good flexibility in smoke collection, can facilitate the effective collection and treatment of smoke during airing, and is suitable for wide promotion and use.
Owner:SHANDONG XIAOLIN ELECTROMECHANICAL ENG CO LTD

Load transfer analysis processing system based on knowledge graph

The invention relates to the technical field of intelligent power grids, and discloses a load transfer analysis processing system based on a knowledge graph, and the system comprises a topology power supply network subsystem which builds a topology network with a main transformer topology starting point, and builds a topology node at each distribution transformer in each power supply line in the topology network; quantifying the electric energy dynamic consumption correlation between the topology starting point and the plurality of topology nodes; the load analysis processing subsystem comprises a data acquisition module for extracting corresponding dynamic consumption correlation characteristics based on the dynamic consumption correlation of the electric energy of the topological nodes in the topological network; and the data analysis module inputs the input feature vector into the completely trained power grid operation load demonstration model, and outputs a peak predicted value of each corresponding topological node. According to the method, the generation probability of the operation load pressure of the power supply line can be reduced, and the operation efficiency and stability of the whole power grid can be optimized.
Owner:STATE GRID JIANGXI ELECTRIC POWER CO LTD