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Cache data management method and device, computer equipment and storage medium
ActiveCN119441647Aavoid occupyingavoid wastingSpecial data processing applicationsWeb data browsing optimisationComputer networkData access
The invention relates to a cache data management method and device, computer equipment and a storage medium. The method comprises the following steps: counting the access request frequency of each piece of data in unit time, and evaluating the access heat of the data according to the access request frequency; in response to the received access request of the target data and the frequency of the access request of the target data reaching a preset cache threshold, establishing a cache of the target data; determining a cache diffusion strategy according to the access popularity of the target data, determining a target diffusion node according to the cache diffusion strategy, and diffusing the target data to a cache service of the target diffusion node; and in response to the condition that the target data meets the preset failure condition, diffusion stopping and / or cache deleting of the target data are / is executed on the target data. By adopting the method, whether the cache needs to be established or not and whether cache diffusion needs to be performed or not can be determined according to the data access popularity, and the situation that low-frequency data occupy the cache space is avoided.
Owner:JINAN INSPUR DATA TECH CO LTD
Battery and battery pack
ActiveCN222507779Uavoid cloggingimprove securitySmall-sized cells cases/jacketsLarge-sized cells cases/jacketsElectrical batteryStructural engineering
The utility model relates to the technical field of batteries, and discloses a battery and a battery pack. The shell is internally provided with a hollow cavity, the pole group is arranged corresponding to the hollow cavity, a first opening is formed in the first end, in the height direction, of the shell, two opposite first inner walls, in the length direction, of the shell protrude inwards to form first limiting parts, and the first limiting parts and the end face of the pole group are oppositely arranged in a spaced mode in the height direction; the top cover assembly is arranged corresponding to the first opening, the top cover assembly comprises an anti-explosion valve, and the top cover assembly abuts against the end face of the pole group. When the pole group loses the limiting effect of the top cover assembly, if the pole group moves towards the anti-explosion valve, the pole group is limited by the first limiting part along the two sides of the length direction, so that the end surface of the pole group is prevented from being in contact with the anti-explosion valve to cause blockage of the anti-explosion valve, gas in the battery is smoothly discharged from the anti-explosion valve, and the safety of the battery is improved.
Owner:SVOLT ENERGY TECHNOLOGY CO LTD
Memory management method and device, computer equipment and storage medium
PendingCN119576545Aimprove performanceavoid wastingResource allocationMemory adressing/allocation/relocationEngineeringTerm memory
The invention relates to the technical field of computers, and discloses a memory management method and device, computer equipment and a storage medium, which are applied to a baseboard management controller, the method comprises the following steps: acquiring historical memory use data of the baseboard management controller; generating a memory usage data prediction model based on the historical memory usage data; in each preset period, inputting the memory usage data of the previous preset period of the substrate management controller into the memory usage data prediction model, and obtaining a predicted value of the memory usage data of the current preset period; based on the predicted value of the memory usage data, pre-allocating memory resources; acquiring load information of the substrate management controller; and adjusting the pre-allocated memory resources based on the load information. According to the load information of the substrate management controller, the memory resources are dynamically allocated, and the use efficiency of the memory resources is improved.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD
Sludge aerobic composting device with automatic overturning function
The utility model discloses a sludge aerobic composting device with an automatic turning function, which is provided with a processing tank, and the top and the bottom of the processing tank are respectively provided with a feed port and a discharge port; comprising a first stirring frame fixed to the side face of a connecting shaft, and the end, close to a motor, of the connecting shaft is connected with one end of a transmission shaft through a belt wheel mechanism; the second stirring frame is fixed to the side face of the movable shaft, and vibration mechanisms are arranged on the sides of the second stirring frame and the first stirring frame; the pressure relief mechanism is arranged at the upper corner of the processing tank, and the pressure relief mechanism can release gas generated in the compost stirring process. According to the sludge aerobic composting device with the automatic overturning function, in the sludge stirring process, the sludge can be shaken to be scattered in a vibration mode, the contact uniformity of the sludge and other materials is guaranteed, in the processing process, gas generated by stirring can be released in time, and other processing is prevented from being influenced.
Owner:SICHUAN KUIQING ENVIRONMENTAL PROTECTION TECH CO LTD
Quick response type gas regulating valve
ActiveCN224188091UEnsure smoothnessensure timelinessEqualizing valvesSafety valvesThermodynamicsMechanics
The utility model relates to the technical field of regulating valves, in particular to a quick response type gas regulating valve which comprises a regulating box, one side of the regulating box is communicated with a gas inlet pipe, the other side of the regulating box is communicated with a gas outlet pipe, the top of the regulating box is communicated with a connecting cylinder, and the top of the connecting cylinder is communicated with a gas collecting cylinder. A pressure relief assembly used for conducting pressure relief on coal gas in the adjusting box is arranged in the connecting cylinder, the pressure relief assembly comprises an air floating plate and a positioning plate, the air floating plate is connected into the connecting cylinder in a sliding mode, the positioning plate is installed in the bottom of the gas collecting cylinder, and the positioning plate is located on the top of the air floating plate. The gas pressure relief device and the gas pressure relief device are matched with each other, rapid pressure relief and real-time alarm feedback are achieved in the pressure relief process, smoothness and timeliness of gas pressure relief are guaranteed, meanwhile, it is guaranteed that an operator can get an immediate warning when the pressure is abnormal, and equipment failures or other safety problems are prevented.
Owner:QIDONG TENGDA VALVE
Side slope biomineralization protection system and method based on double-response type signal capsule
PendingCN121992800Adelay agingEnsure responsivenessMicroorganism based processesExcavationsVegetationSoil science
The invention discloses a side slope biomineralization protection system and method based on a double-response type signal capsule, and the method comprises the steps: preparing the double-response type signal capsule, a germination capsule and a reaction capsule respectively, a wall material of the double-response type signal capsule is obtained by mixing poly (N-isopropylacrylamide) and xanthan gum according to a preset proportion; mixing the double-response signal capsule, the germination capsule and the reaction capsule with graded fine sand and chopped basalt fiber to obtain a capsule-aggregate mixture; the capsule-aggregate mixture is laid on the surface of the slope, planting soil is covered, vegetation is planted, and when the preset temperature-water content condition is met, slope time sequence repairing is triggered. According to the scheme, the temperature and the moisture can be responded at the same time, and the complex climatic environment can be accurately adapted.
Owner:ZHENGZHOU UNIV
Traffic intelligent management system and method for automatic driving
PendingCN119314346Atimely releaseRoad vehicles traffic controlExternal condition input parametersIn vehicleIntelligent management
The invention belongs to the field of traffic management, and discloses a traffic intelligent management system and method for automatic driving, and the system comprises an intelligent traffic control center which is used for receiving the destination information and real-time position information of a vehicle, obtaining a vehicle operation path through calculation, generating vehicle operation path control information, and transmitting the vehicle operation path control information; the vehicle-mounted traffic control system is used for positioning the vehicle in real time and sending real-time position information and destination information of the vehicle; the position of the vehicle is determined according to the real-time position information of the vehicle, and the vehicle is controlled to perform automatic driving by using a vehicle running path generated by an intelligent traffic control center or a vehicle-mounted traffic control system according to whether the vehicle is in a city range; and the communication network is used for real-time communication between the intelligent traffic control center and the vehicle-mounted traffic control system. The automatic driving function of the vehicle can be fully utilized, and efficient and safe automatic driving of the vehicle is achieved.
Owner:XI AN JIAOTONG UNIV
Battery components and batteries
ActiveCN224288498Uavoid cloggingtimely releaseSecondary cells manufactureCell component detailsElectrical batteryStructural engineering
This utility model discloses a battery assembly, including a housing structure, a cover plate, and a bracket. The housing structure is used to accommodate battery cells. The cover plate is installed on the open side of the housing structure and has at least one explosion-proof valve. The bracket is disposed between the battery cells and the cover plate, and the bracket has at least one support structure. The projection of the support structure toward the cover plate at least partially overlaps with the position of the explosion-proof valve. The melting point of the support structure is higher than the temperature at which the battery experiences thermal runaway. This utility model can prevent the explosion-proof valve from clogging when the battery experiences thermal runaway, thus improving battery safety. This utility model also discloses a battery.
Owner:MICROVAST POWER SYST CO LTD
Explosion venting safety valve on micro-positive pressure hot blast stove
ActiveCN224229344Uavoid damagetimely releaseOperating means/releasing devices for valvesEqualizing valvesHot air ovenReciprocating motion
The utility model provides an explosion venting safety valve on a micro-positive pressure hot blast stove. The explosion venting safety valve on the micro-positive pressure hot blast stove comprises a device main body, the device main body comprises a mistaken starting prevention module, an exhaust module and a pressure relief module, the exhaust module is installed at the top of the device main body, and the pressure relief module comprises a driving part fixedly installed on the inner wall of the device main body; a reciprocating assembly capable of conducting reciprocating motion is installed at the output end of the driving part, a guide block capable of conducting guiding is arranged at the output end of the reciprocating assembly, a guide sliding groove for guiding the guide block is formed in the device body, and a transverse plate used for relieving pressure is installed on the device body. A sealing block used for sealing is installed on the baffle, a fixing plate is installed on the device body, and a bearing is arranged on the fixing plate. The explosion venting safety valve on the micro-positive pressure hot blast stove has the effect of prolonging the service life of the device.
Owner:HUBEI XINYE THERMAL ENERGY ENG CO LTD
Environment-friendly anticorrosive paint and preparation method thereof
InactiveCN121950146AImprove anti-corrosion performanceimprove performanceAnti-corrosive paintsPolyester coatingsBoron nitrideBarrier effect
The invention belongs to the technical field of corrosion prevention, and particularly relates to environment-friendly anticorrosive paint and a preparation method thereof. According to the environment-friendly anticorrosive paint provided by the invention, the corrosion inhibitor loaded by Ce-MOF can play a good barrier effect in the paint, the corrosion inhibitor can be released in time when later corrosion occurs, an active anticorrosive function is achieved, and the corrosion inhibitor can be well dispersed into the paint through L-cysteine modified boron nitride, so that the corrosion resistance of the paint is improved, and the corrosion resistance of the paint is improved. L-cysteine can reduce the rate of metal corrosion and can play a role in protection, boron nitride can play a very good barrier effect, through cooperation of the components, a very good anti-corrosion effect of the paint can be achieved, and the prepared environment-friendly anti-corrosion paint is good in anti-corrosion performance and wide in application.
Owner:GUANGDONG DAZHOU NEW MATERIALS TECHNOLOGY CO LTD
Waste gas treatment system
ActiveCN222297949Utimely releaseincrease control difficultyIncinerator apparatusExhaust fumesProcess engineering
The utility model aims to provide the waste gas treatment system, so that the waste gas is treated after being mixed with air to reach a proper concentration, and the control difficulty and the cost are prevented from being increased due to heat unbalance in the waste gas treatment process; in order to achieve the purpose, the waste gas treatment system comprises a waste gas source and an air source, the waste gas source and the air source are connected with an air mixing box through pipelines, the air mixing box is connected with a catalytic combustion device through a pipeline, a discharge pipeline is arranged on the air mixing box, a valve is arranged on the discharge pipeline, and the catalytic combustion device is connected with the exhaust pipeline through a pipeline. When the catalytic combustion device has the explosion risk and the catalytic combustion device breaks down, the valve on the discharging pipeline is opened to discharge gas in the air mixing box, through the arrangement of the discharging pipeline, even if the catalytic combustion device breaks down, the gas in the air mixing box can be discharged in time, and therefore the gas in the air mixing box can be discharged in time. And the influence on other parts of the system is avoided, so that the stability of the system is enhanced.
Owner:SHANDONG DAWN DEGRADABLE MATERIAL CO LTD
Power equipment information acquisition method, system, device and medium
PendingCN122248372AImplement the get methodachieve acquisitionServices signallingConnection management
This application discloses a method, system, device, and medium for acquiring information from power equipment, belonging to the field of power electronics technology. The method includes: power equipment responding to a connection request from a pre-installed device by establishing a communication connection with the pre-installed device via an AP hotspot; receiving an inquiry command sent by the pre-installed device; obtaining the response information corresponding to the inquiry command; and sending the response information back to the pre-installed device. This application, by activating the AP hotspot of the WiFi module after the power equipment is powered on, allows the pre-installed device to establish a communication connection with the power equipment via the AP hotspot, obtain the corresponding response information based on the network relationship within the power equipment cluster, and provide feedback. This eliminates the need for manual scanning of QR codes or manual data entry for each power equipment, simplifying the power equipment information collection process, shortening the information acquisition time cycle, and improving the efficiency of power equipment information acquisition.
Owner:SHANGHAI SIGE DIGITAL TECHNOLOGY CO LTD
Electric core level fire extinguishing system and method for energy storage cabinet
PendingCN119455300Aprecision injectionprecise alignmentFire rescuePump installationsGlass ballNew energy
According to the energy storage cabinet electric core level fire extinguishing system and method, the structure is simple, the fire source is accurately aligned, the fire extinguishing agent spraying time is more accurate, and the continuous fire extinguishing time is longer. The system comprises a fire extinguishing medium storage device, a fire detection tube, a composite detector, a trigger and a controller, wherein the controller is in communication connection with a system background; the fire-fighting method of the system comprises the following steps: a, when a combustion factor is detected, the controller controls the system to stop; b, the composite detector drives a trigger to trigger a fire extinguishing medium storage device to release a fire extinguishing medium into the fire detection tube; c, giving an alarm and informing the smoke exhaust fan to work; d, when the fire detection tube is softened by high-temperature open fire and exploded by the high-pressure fire extinguishing medium, releasing the fire extinguishing medium to a fire source point of the battery cell; and e, when the fire is not extinguished or the battery core is re-combusted, triggering the glass ball of the spray head to be exploded at high temperature, and injecting fire-fighting water into the energy storage cabinet through the fire-fighting pipeline to extinguish the fire. The method is applied to the technical field of new energy and energy storage.
Owner:ZHUHAI VIRTUAL POWER PLANT TECH CO LTD
Single screw extrusion apparatus for single, double and multi-base pharmaceuticals
The utility model provides a single screw extrusion equipment of single base drug, double base drug and multibase drug, and this equipment includes screw shaft, rotating water jacket, screw shaft fixed seat, screw cavity casing and casing cooling structure, the screw shaft includes axle body, sealing end cover and cooling water pipe, the outer wall of axle body one end is provided with spiral vane, the other end of axle body is optical axis structure, the optical axis structure of other end of axle body is provided with axle body water inlet and axle body water outlet, the one end of axle body outer wall provided with spiral vane is provided with cooling hole along axle body central axis direction, and the screw cavity casing is provided with pressure -relief mouth, and the pressure -relief mouth is located screw cavity casing one end close to screw shaft fixed seat. The utility model discloses through the double cooling of screw shaft and screw cavity casing, can control the temperature of material between screw shaft and screw cavity casing in the suitable range, can guarantee the stability of material temperature between screw shaft and screw cavity casing when continuously working, has improved the safety and production efficiency of equipment.
Owner:XIANYANG HUAKE AUTOMATION TECH RES INST CO LTD
Memory management method and device, computer equipment, storage medium and program product
PendingCN119557094Aachieve releaseRealize detectionResource allocationSoftware engineeringTerm memory
The invention relates to a memory management method and device, computer equipment, a storage medium and a program product. The method comprises the steps that under the condition that it is detected that a target memory block exists in free memory blocks managed by a free linked list of a target application, the releasing state of the mapping relation between a user storage space in the target memory block and a corresponding physical memory page in a kernel is determined; wherein the storage capacity of the user storage space in the target memory block is greater than a set threshold value, and the user storage space is used for storing user data; determining an initial address and a space length of a user storage space under the condition that the mapping relation releasing state is not released; and controlling the kernel to cancel the mapping relationship between the user storage space and the corresponding physical memory page in the kernel according to the initial address and the space length. By adopting the method, the free memory can be timely released.
Owner:CHINA TELECOM CLOUD TECH CO LTD
Electrically conductive rubber composition, sealing assembly and rolling bearing
PendingCN122103792Acontinuous releasequick releaseBearing componentsPolymer scienceRolling-element bearing
The present disclosure relates to an electrically conductive rubber composition, a sealing assembly and a rolling bearing. The electrically conductive rubber composition comprises: a base rubber, an electrically conductive carbon black, carbon nanotubes and graphene, which are uniformly mixed into the base rubber, wherein the mass fraction of the electrically conductive carbon black ranges from 25 to 55 parts; the mass fraction of the carbon nanotubes ranges from 3 to 5 parts, and the mass fraction of the graphene ranges from 2 to 7 parts. When the electrically conductive rubber composition is prepared by using the electrically conductive fillers in the above mass fraction range, and the electrically conductive rubber composition is applied to the sealing assembly of the rolling bearing, the sealing assembly can continuously and timely release static electricity, effectively preventing the electric corrosion of the raceway of the rolling bearing caused by the accumulation and discharge of shaft current or electric charge.
Owner:SCHAEFFLER TECHNOLOGIES AG & CO KG
Orthophoto fusion method of optical satellite remote sensing images based on CPU and GPU collaborative processing
ActiveCN119127511Bincrease profitreduce wasteResource allocationProcessor architectures/configurationSensing dataRemote sensing image fusion
The present invention relates to the technical field of remote sensing data processing, and in particular to an optical satellite remote sensing image orthophoto fusion method based on CPU and GPU collaborative processing, the method comprising: decomposing an orthophoto fusion task into multiple fusion subtasks; evaluating task complexity and allocating them to a CPU or GPU; executing tasks and monitoring resource occupancy; adjusting the processing order of short-term tasks; and optimizing the number of real-time tasks and priority scores. The present invention optimizes resource allocation and task priority sorting while ensuring efficient task execution based on CPU and GPU collaborative processing, can dynamically adjust execution strategies, maximize resource utilization, effectively cope with fluctuations in resource occupancy through real-time monitoring and adjustment, and is more flexible and efficient in processing optical satellite remote sensing image fusion tasks, effectively solving the problem of low processing efficiency and insufficient resource utilization due to poor rationality of processing resource allocation.
Owner:NO 63921 UNIT OF PLA
A method and device for cleaning residual data of storage volume
The present application relates to the technical field of data storage, and in particular to a method and device for cleaning residual data of a storage volume. The method is applied to a Kubernetes cluster, and the method comprises: receiving a target persistent storage volume PV deletion request, and based on the target PV deletion request, obtaining information of a target storage volume corresponding to the target PV, wherein the target PV deletion request carries an instruction for cleaning residual data in the target storage volume corresponding to the target PV on a storage server; creating a task Job for cleaning residual data of the target storage volume, and starting the container service Pod corresponding to the Job; mounting a preset cleaning script to the Pod, and mounting the target storage volume to the Pod; starting the Pod, and cleaning residual data in the target storage volume based on the preset cleaning script.
Owner:NEW H3C BIG DATA TECH CO LTD
Data deletion method and device
PendingCN119645299Atimely releaseavoid lossInput/output to record carriersRedundant operation error correctionData managementData loss
The invention discloses a data deletion method and device, and relates to the technical field of data management. The specific embodiment of the method comprises the following steps: in response to deletion of a process, determining a storage space corresponding to a process identifier according to the process identifier of the process; the storage space stores data corresponding to the process; adding a data processing mark to the storage space, wherein the data processing mark indicates that data in the storage space is deleted under the condition that the process meets a preset condition; deleting the data processing mark of the storage space in response to that the process recovers to run within a first preset duration after the process is deleted; and in response to the situation that the process is not recovered to run within the first preset duration, deleting the data in the storage space according to the data processing mark of the storage space. According to the implementation mode, delayed deletion of the data is achieved, data loss caused by mistaken deletion of the process is avoided, meanwhile, the storage space is released in time, and waste of the disk space is avoided.
Owner:XIAN TONGXING HENGYAO INFORMATION TECHNOLOGY CO LTD
Photovoltaic floor tile
ActiveCN224083473UHighly integratedImprove cooling efficiencySingle unit pavingsPhotovoltaicsStructural engineeringMechanical engineering
The utility model discloses a photovoltaic floor tile. The photovoltaic floor tile comprises a frame, a photovoltaic assembly, an energy storage device, a control device and a load, the frame comprises an accommodating clamping groove and a load accommodating groove surrounding the accommodating clamping groove, the accommodating clamping groove is used for placing a photovoltaic module, and the load accommodating groove is used for placing a load; the photovoltaic module comprises a first area and a second area surrounding the first area, the second area is overlapped with the containing clamping groove in the direction perpendicular to the plane where the photovoltaic module is located, and the first area is not overlapped with the containing clamping groove; the energy storage device and the control device are located on the side, away from the light incidence face, of the backlight face. The energy storage device and the control device are overlapped with the first area in the direction perpendicular to the plane where the photovoltaic module is located; the energy storage device is electrically connected with the photovoltaic assembly and the control device, and the control device is electrically connected with the load. According to the technical scheme provided by the utility model, the integration level of the photovoltaic floor tile can be improved, and the maintenance cost of the photovoltaic floor tile can be reduced.
Owner:JUXIN NEW MATERIALS (KUNSHAN) CO LTD
Pressurizing device for circuit board packaging
PendingCN121940979ADetect abnormal situations in timeEasy to clean and maintainMultilayer circuit manufactureElectric machineryStructural engineering
Owner:ASIATECH GRP LTD
Device startup rate aggregation algorithm and system for cloud-edge joint computing
The present invention provides a device startup rate summary algorithm and system for cloud-edge joint computing. When the connection between the edge and the cloud is interrupted, the edge saves the device operation status change events during the offline period; when the connection between the edge and the cloud is restored, all data generated during the offline period are transmitted back to the cloud; the cloud receives the offline data reported by the edge, determines the recalculation start time and the recalculation end time according to the connection interruption time and the connection restoration time, rematches the business dimension change events between the recalculation start time and the recalculation end time with the device operation status change events, and recalculates the operation time and the total time; after the recalculation is completed, replaces the original corresponding data with the recalculated data; the advantage is that after the cloud-edge connection is interrupted and restored, the cloud and edge efficiently and collaboratively recalculate the offline data to obtain a device startup rate report that accurately matches the business dimension and has accurate and reliable results.
Owner:NINGBO SHUYI GONGLIAN TECH CO LTD
Data processing method and device, computer equipment, storage medium and program product
PendingCN119597435AImprove processing efficiencyImprove sending efficiencyResource allocationSoftware engineeringProcessing element
The invention relates to a data processing method and device, computer equipment, a storage medium and a program product. The method comprises the following steps: acquiring a plurality of pieces of first to-be-processed data; performing legality verification on the plurality of first to-be-processed data to obtain a plurality of second to-be-processed data passing verification; determining the current capacity of idle resources of a data processing unit, and screening target data to be processed from the plurality of pieces of second data to be processed according to the current capacity; and packaging the target to-be-processed data to obtain packaged data, and sending the packaged data to the data processing unit for processing. By adopting the method, the data processing efficiency of the heterogeneous system can be improved.
Owner:DAWNING INT INFORMATION IND CO LTD
A microbial repair agent particle for self-repairing cement-based materials and a preparation method thereof
ActiveCN118324443Bhigh apparent densityImprove repair effectSolid waste managementAluminateMicrobiome
The present invention discloses a microbial repair agent particle for a crack self-repairing cement-based material and a preparation method thereof. The repair agent particle has a core-shell structure and comprises a microbial repair agent core and a repair agent shell. The repair agent core comprises the following components by mass percentage: microbial powder: 10-15 parts, calcium source: 0.75-1.25 parts, nutrient: 2-3 parts, filler: 8-10 parts; the repair agent shell comprises the following components by mass percentage: sulfoaluminate cement: 6-8 parts, density adjustment powder: 1-3 parts, fly ash: 0-1 part. The present invention changes the formula of the repair agent core and adopts an extrusion granulation method to prepare the core particles, achieving a high loading rate of the microbial component in the core and a small particle size distribution coefficient of the core. At the same time, the repair agent particle has good sphericity, concentrated size distribution, small deviation of particle strength, uniform wall thickness, high yield rate, good responsiveness to cracking and good self-repairing effect on cracks in cement-based materials such as mortar and concrete.
Owner:SOUTHEAST UNIV
Power line carrier streaming media data transmission method and communication system
InactiveCN121864126AMatch maximum latency requirementsresource optimizationTransmission control/equlisationPower distribution line transmissionCommunications systemTime division multiple access
The invention discloses a power line carrier streaming media data transmission method and a communication system, the method is executed by a main end device, and the method comprises the following steps: S1, broadcasting a beacon frame in a beacon time slot, the beacon frame comprising time slot division information for a current beacon period, the time slot division information defining a circulation unit, each cyclic unit comprises a downlink streaming media time division multiple access time slot, an uplink streaming media time division multiple access time slot and an emergency time slot; s2, in a downlink streaming media time division multiple access time slot, downlink streaming media data are sent to one or more slave end devices in a non-competitive mode; s3, receiving a time slot switching request from the slave end equipment, and authorizing the specific slave end equipment to use a specified downlink streaming media time division multiple access time slot according to the channel state; and S4, in the emergency time slot, emergency data from the slave end equipment or sent to the slave end equipment is received, so that efficient dynamic balance between the conventional high-speed streaming media service and the sudden emergency demand is realized.
Owner:SHENZHEN LIPU COMM TECH CO LTD
Self-repairing hydrophobic coating and preparation method thereof
The invention discloses a self-repairing hydrophobic coating and a preparation method thereof, and belongs to the technical field of coating preparation, the hydrophobic coating comprises a main material and an auxiliary material, the main material comprises a mixture composed of zirconium diboride and carbon nanotubes; tetraethoxysilane is added; a low surface energy modifier, which is a low surface energy high-molecular polymer; mesoporous silica and a zeolite imidazole skeleton; the ingredients comprise deionized water, dimethylformamide, chloroform, tetrahydrofuran and tannic acid; the low surface energy modifier is composed of polydimethylsiloxane and 3-aminopropyltriethoxysilane, and the low surface energy high-molecular polymer is composed of polysilazane, a fluorine-containing polymer and a dendritic macromolecule. According to the hydrophobic coating, a pore channel structure is constructed in the hydrophobic coating, a mixture formed by mixing zirconium diboride and carbon nanotubes can store low-surface-energy substances, and when the surface of the coating cracks, the stored low-surface-energy substances can be activated and migrated to the surface of the coating through heating treatment, so that the self-repairing process is achieved.
Owner:CHONGQING UNIV
A lamp tube clamping type warmer
The utility model relates to a lamp tube clamping type warmer, including the shell, is provided with first heating area and second heating area on the shell, and first heating area and second heating area are communicated in the shell inside, first heating area and second heating area have different radiation direction, the reflector board is located in the inside of first heating area, the lamp tube is located in the inside of first heating area, the shell inside is provided with the mounting plate who penetrates first heating area and second heating area, the outside of mounting plate is equipped with the card and carries out the constraint to the lamp tube in axial direction, the utility model has the advantages of: through the design that the mounting plate is radially restrained to the lamp tube, the card is axially restrained, the installation stability of the lamp tube and mounting plate is guaranteed, simultaneously, the card and mounting plate are all simple sheet body structure, and production assembly flow is simple, and production cost is reduced, and the design of limiting buckle and limiting male prevents the card from falling off automatically, and the connection stability of card and lamp tube, mounting plate is ensured.
Owner:NINGBO CETUS ELECTRICAL APPLIANCE
Leak-proof heat meter
ActiveCN222299004UReduce risk of leakageReduce aging speedCalorimeterMechanical engineeringWater pipe
The utility model belongs to the technical field of heat meters, and particularly relates to a leak-proof heat meter, which comprises a heat meter body, a connecting pipeline is fixedly connected below the heat meter body, two ends of the connecting pipeline are provided with hot water pipes at a locking mechanism, the locking mechanism comprises a hoop, and the outer surface of the hoop is fixedly connected with a first heat conduction fin. A cavity is formed in the first heat conduction fin, sealing boxes are installed at the two ends of the connecting pipeline and comprise box bodies, the hoops are located in the box bodies, second heat conduction fins are fixedly connected to the inner walls of the box bodies and installed in the cavity of the first heat conduction fin, and heat transfer pipes are fixedly installed at the bottoms of the second heat conduction fins. The other end of the heat transfer pipe extends out of the box body, and the surface of the heat transfer pipe is fixedly connected with cooling fins. Under the action of the locking mechanism and the sealing box, illumination can be isolated, heat dissipation can be conducted on the locking mechanism in time, and therefore the service life of the pipeline sealing device is prolonged, and the risk of pipeline leakage is reduced.
Owner:WEIHAI AEGIS INTELLIGENT TECH CO LTD
VS-Ni3S2at-VO-CoMoO4 / CF heterojunction full-electrolysis water electric catalyst
PendingCN119265614ARich reservesSimple preparation processElectrodesElectrolytic agentHeterojunction
The invention discloses a VS-Ni3S2 (at) VO-CoMoO4 / CF heterojunction full water electrolysis electric catalyst, and belongs to the technical field of semiconductor electro-catalysis. The preparation method comprises the following steps: firstly, carrying out solvothermal reaction to obtain CoMoO4 (CoMoO4 / CF) growing on foamy copper (CF) in situ, and annealing the CoMoO4 / CF in an Ar / H2 atmosphere to obtain VO-CoMoO4 / CF; then, a mixed solution of thiourea and nickel chloride with the concentration of 1 mol / L and 0.02-0.1 mol / L is used as an electrolyte, VO-CoMoO4 / CF is used as a working electrode, and the VS-Ni3S2 (at) VO-CoMoO4 / CF heterojunction electrocatalyst is prepared under a voltage window of-1.2 V-0. 2 V. The electrocatalyst is in a micron flower ball shape, and when the electrocatalyst reaches the current density of 10 mA / cm <-2 > in a KOH electrolyte with the concentration of 1 mol / L, the electrocatalytic HER overpotential and the electrocatalytic OER overpotential are only 38-79 mV and 169-218 mV respectively. And the full water splitting system of the VS-Ni3S2 (at) VO-CoMoO4 / CF (+ / -) only needs the voltage of 1.46 to 1.49 V.
Owner:QINGDAO BINHAI UNIV +1
Composite aerogel with humidity-controlled release function and preparation method and application thereof
This invention belongs to the field of food preservation technology, specifically relating to a composite aerogel with humidity-controlled release function, its preparation method, and its application. The composite aerogel provided by this invention uses polyvinyl alcohol, carboxymethyl chitosan, cellulose nanofibers, and copper ion solution as a matrix to synthesize a physicochemically double-crosslinked hydrogel. A metal-organic framework HKUST-1 is grown in situ inside the hydrogel, and the composite aerogel is obtained by freeze-drying. Subsequently, hydrophobic volatile essential oils such as carvacrol, cinnamaldehyde, and menthone are loaded onto it. This invention provides a composite aerogel with high safety, structural stability, and significant antibacterial effect. It accelerates the release rate of volatile essential oils with increasing humidity, achieving timely antibacterial preservation, a pleasant aroma, reduced spoilage rate during strawberry storage, and delayed quality deterioration. It possesses excellent antibacterial properties, safety, and promising application prospects.
Owner:SOUTH CHINA UNIV OF TECH