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1260results about How to "Avoid occupying" patented technology

Storage control method and device based on big data

The invention relates to the technical field of big data storage, in particular to a storage control method and device based on big data. The method comprises the following steps: acquiring an original data stream and application demand information; performing data dynamic correlation analysis on the original data flow according to the application demand information to obtain a dynamic update data correlation graph; performing feature vector generation on the dynamic update data association graph to obtain a data feature vector; performing intelligent quality evaluation on the data feature vector to obtain a data quality label; performing timeliness evaluation according to the data feature vector, and performing access popularity evaluation to obtain a timeliness score and an access popularity score; and acquiring system resource load condition information. The storage resource utilization rate, the data access performance and the overall efficiency of the system are improved by solving the limitation of a traditional method in the aspects of static data management and resource allocation.
Owner:SHUHUI QIANKUN TECH CO LTD +1

Vibration damper and vibration damping system

The invention relates to a shock absorber and a shock absorption system, and belongs to the technical field of precise shock absorption. The shock absorber comprises a base, a top plate, a piston and a supporting piece, a cavity is formed in the side, facing the top plate, of the base, the piston is connected with the base in the cavity in the mode that the piston can move in the depth direction of the cavity, the piston and the cavity are sealed to form a sealed cavity, the piston is connected with the top plate through the supporting piece, and therefore the pneumatic assembly with the vertical vibration reduction function is integrated in the vibration damper. The air cavity and the piston of the pneumatic assembly are both arranged at the bottom of the shock absorber, so that the air cavity and the piston are prevented from occupying the space between the base and the top plate in the shock absorber, and due to the fact that the area of the area, where the air cavity can be arranged, of the shock absorber base is larger, the shock absorber base can be more compact under the condition that the thickness of the base is not increased or slightly increased. The air cavity and the piston are arranged in the shock absorber base, so that the device integration density can be improved, the space can be compact, and miniaturization and multi-functionalization of the shock absorber are facilitated.
Owner:WUHAN GLORY ROAD PRECISION TECH CO LTD

Chassis arrangement structure of hydrogen fuel cell tractor

The invention discloses a chassis arrangement structure of a hydrogen fuel cell tractor. The chassis arrangement structure comprises a frame, a bottle rack, a fuel cell radiator, a high-pressure accessory and a plurality of hydrogen conveying bottles, the frame is sequentially provided with a cab position, a gas cylinder position and a cargo compartment position in the longitudinal direction. The cylinder rack is arranged at the gas cylinder position and located on the upper end face of the frame, and a mounting end is arranged on one side of the frame in the transverse direction; the plurality of hydrogen storage bottles are mounted on the bottle rack and are sequentially arranged in the vertical direction, and the hydrogen storage bottles are arranged in the width direction of the frame; the fuel cell radiator comprises a refrigeration main body and a cooling fluid pipeline, the refrigeration main body is mounted at the mounting end, and the cooling fluid pipeline is connected with the refrigeration main body; and the high-pressure accessory is mounted on one side of the frame in the transverse direction and avoids the bottle rack, the hydrogen storage bottle, the refrigeration main body and the cooling fluid pipeline. According to the scheme, the length of the hydrogen storage system in the whole vehicle driving direction is greatly reduced, the main hanging gap is increased, the adaptation rate of a trailer is increased, the space utilization rate of a frame is increased, and the maintenance convenience of high-pressure accessories is improved.
Owner:DONGFENG COMML VEHICLE CO LTD

Internet of vehicles vulnerability knowledge graph updating method based on cloud platform

The invention provides an Internet of Vehicles vulnerability knowledge graph updating method based on a cloud platform, and the method comprises the steps: monitoring vulnerability updating information, carrying out the popularity analysis, screening out the information with high popularity based on a popularity threshold value, and extracting potential entities from the information; expanding the potential entity; and updating the knowledge graph based on the potential entities. According to the method, the dispersed vulnerability information is integrated in a manner of establishing the knowledge graph, so that the problem of information fragmentation is eliminated, network security managers can understand and utilize the vulnerability information more quickly and accurately, and the efficiency of coping with vulnerabilities is improved. On the basis, in order to ensure the real-time performance and accuracy of the Internet of Vehicles vulnerability information knowledge graph, a plurality of data sources are further monitored in real time through technologies such as machine learning and data mining, and potential entities needing to be updated are screened out for updating the knowledge graph in real time.
Owner:JIANGSU UNIV +1

Inventory management system and management method based on order data

The invention relates to the technical field of inventory management, and discloses an inventory management system and method based on order data, and the system comprises a data collection unit, an order analysis unit, an inventory prediction unit, and an inventory management unit. According to the invention, commodities are accurately classified according to order data, a detailed basis is provided for inventory management, extensive management is avoided, and the accuracy is improved; inventory demands are predicted according to different commodity characteristics, multiple factors are combined with historical data, actual sales is close, overstock or stockout is reduced, and the turnover rate and the fund utilization rate are increased; the automatic process reduces manpower, monitors the inventory in real time and gives an early warning, replenishes goods in time, enables managers to concentrate on decision making, improves management efficiency, maintains the reasonable level of the inventory, and reduces cost; the inventory supplement signal contains key information and is quickly transmitted to suppliers, so that the suppliers can supply goods in time, collaboration and communication are enhanced, a stable and efficient supply chain is constructed, risks are reduced, and competitiveness is improved.
Owner:JIANGSU CHAOYUAN DATA TECH CO LTD

Data management method and system for reducing computing power occupation

The invention relates to the technical field of computer data management, and discloses a data management method and system capable of reducing computing power occupancy, and the method comprises the steps: S1, based on data distribution analysis, employing a sparse representation algorithm and a principal component analysis method, carrying out the operation elimination of the redundancy of high-dimensional data features through setting an L1 regularization constraint condition, and obtaining an L1 regularization constraint condition; decomposing the data correlation matrix in combination with a matrix operation mode, extracting feature vectors with top-ranked contribution values, and converting the feature vectors into a sparse low-dimensional matrix; and generating a sparse low-dimensional data matrix. Through combination of sparse representation and principal component analysis, L1 regularization is creatively applied to perform feature screening on high-dimensional data, redundant data items are removed, and principal component features with high correlation are extracted, so that the data dimension is effectively reduced, consumption of computing resources is reduced, and meanwhile, main information features of the data are reserved; the efficiency and accuracy of subsequent processing are improved, and distributed scheduling of tasks and efficient utilization of equipment computing power are realized.
Owner:SHANDONG HUITONG TECH CO

Crop growth period big data analysis and fertilizer optimization method and device

The invention relates to the technical field of data analysis, in particular to a crop growth period big data analysis and fertilizer optimization method and device.A machine learning algorithm is adopted, a linear regression model corresponding to the crop yield, the growth stage, meteorological data and the soil nutrient content is established, and the crop predicted yield is set; according to the crop growth period big data analysis and fertilizer optimization method and device, a soil nutrient sensor is used for detecting the current soil nutrient content, the current growth stage of crops is determined, the soil nutrient content needed by the current crops in different growth stages is calculated according to a linear regression model, and the crops are precisely fertilized. The crop yield after accurate fertilization through the linear regression model is received, the learning rate is set, the linear regression model is optimized according to the error value of the current crop yield and the predicted yield, the optimized linear regression model can guide investment of resources such as fertilizer more accurately, and fertilizer waste is reduced while the crop yield is guaranteed.
Owner:HUAIBIN COUNTY HUAIHE ECOLOGICAL AGRICULTURE DEVELOPMENT INVESTMENT CO LTD

Polymorphic heterogeneous intelligent computing resource fusion scheduling method and system compatible with meteorological supercomputing architecture

The invention discloses a polymorphic heterogeneous intelligent computing resource fusion scheduling method and system compatible with a meteorological supercomputing architecture. The method comprises the following steps: creating a service cluster and a computing cluster; constructing a computing cluster computing power aggregation application service; creating a meteorological supercomputing architecture intelligent computing cluster fusion scheduling support environment; an elastic supercomputing service is constructed in the meteorological supercomputing architecture intelligent computing cluster; and constructing a software stack support environment adaptive to the polymorphic heterogeneous intelligent computing resources. According to the method, a service cluster is established, a computing cluster is scheduled based on a Kubernetes scheduling component of a fusion scheduler, adaptive heterogeneous resources are scheduled by adopting a container technology, a software interface is managed based on an intelligent computing cluster queue of a meteorological super computing architecture, scheduling based on a Slurm scheduling component of the fusion scheduler is realized, and native job scheduling of the intelligent computing cluster of the super computing architecture is realized; an elastic super-computing container technology is adopted, and an adaptive super-computing architecture intelligent computing power and software stack distributed environment is constructed; a fusion unified scheduling technology is formed, unified efficient scheduling utilization is achieved, and the resource utilization efficiency is improved.
Owner:STATE QIXIANG INFORMATION CENT

Portable light folding hanging basket for rescue

The utility model discloses a portable light folding hanging basket for rescue, which relates to the technical field of rescue equipment and comprises a central seat, six annularly distributed connecting rods are rotatably connected to the side surface of the central seat, and bottom plates are rotatably connected to two sides of the six connecting rods. The sides, close to each other, of every two adjacent bottom plates are rotationally connected together, the ends, away from the center base, of the six connecting rods are fixedly connected with vertical rod mechanisms, the positions, close to the bottoms, of the outer sides of the six vertical rod mechanisms are fixedly connected with fixing mechanisms, and each vertical rod mechanism comprises a base. According to the portable light folding hanging basket for rescue, the fixing sleeve is pulled upwards, so that the supporting rod can rotate on the fixing base, when a person needing to be rescued is placed in the hanging basket by rescue personnel, the side face of the overall structure does not affect entering of the person needing to be rescued, and the rescue personnel can conduct rescue operation conveniently.
Owner:CHINESE PEOPLES LIBERATION ARMY ARMY MEDICAL UNIV BORDER DEFENSE TRAINING BRIGADE

Actuating mechanism and surgical instrument

The invention discloses an actuating mechanism and a surgical instrument, and relates to the field of medical instruments. The actuating mechanism comprises a transmission assembly, and the transmission assembly comprises an actuating piece, a dowel bar, a locking arm, an unlocking piece and a locking elastic piece. During specific operation, a user drives the dowel bar to move by adjusting the rotation stroke of the actuating piece, so that the dowel bar can pull an external dowel wire to execute expected operation, and the actuating piece is automatically locked by the locking arm; a user acts on the locking arm to move away from the actuating piece through the abutting action of the unlocking piece so as to unlock the actuating piece, the locking elastic piece is compressed, then the rotating stroke of the actuating piece is adjusted, and therefore the dowel bar is driven to move. According to the actuating mechanism provided by the invention, the transmission assembly is at least partially arranged on the far-end area in the assembly cavity, so that the occupation of excessive space of an interventional instrument can be avoided, the flexibility of operating the instrument can be improved, and a user can be promoted to adapt to surgical operation at an extreme angle.
Owner:JINGQIN ZHIZAO (SUZHOU) MEDICAL TECH CO LTD

Parking space lock

The utility model belongs to the field of parking space locks, and discloses a parking space lock which comprises a blocking piece, a locking piece and a locking piece. A driving unit; a transmission mechanism; a linear track; a substrate; when the driving unit drives the transmission part to move, the transmission part drives the moving part to slide along the linear rail and drives the connecting arm to slide along the linear rail and rotate relative to the moving part at the same time, so that the connecting arm drives the blocking part to turn over. When the blocking piece is subjected to external impact force in the open state, the blocking piece drives the connecting arm to move, the connecting arm drives the moving piece to slide relative to the linear rail, and the linear rail limits displacement of the moving piece in the direction perpendicular to the sliding direction of the moving piece. Power transmission is achieved through the transmission mechanism, the linear rail and the connecting arm are arranged independently, and the strength of the connecting arm and the transmission stability are guaranteed while the connecting arm moves; the linear track can assist the moving part in linear motion and can offset external impact force, so that the moving part is protected and prevented from being deformed and damaged; all the components can be integrated on the base plate, and therefore a user can conveniently install the parking space lock.
Owner:GUANGXUN INTERCONNECTION TECHNOLOGY (SHENZHEN) CO LTD

Automatic turnover device for cabin section

The invention provides an automatic turnover device for a cabin section. The automatic turnover device comprises a turnover elevator, a quick change device and a turnover clamp, the turnover lifting machine comprises a rack, a turnover lifting arm and a rotating platform, and the rack completes Y-direction horizontal movement along a ground guide rail; the overturning lifting arm completes Z-direction lifting motion along the rack, the overturning lifting arm completes X-direction horizontal movement at the fixed height of the rack, and a rotating platform at the working end of the overturning lifting arm completes rotating motion around the X axis; the quick-changing device comprises a main side and a tool side, the main side is mounted on the rotating platform, and the tool side is mounted on the overturning clamp; the overturning clamp is clamped on the cabin section, and the overturning elevator is connected with the cabin section through butt joint of the main side and the tool side of the quick-changing device; y-direction movement of an upper rack of the turnover lifting machine and X-direction movement of a turnover lifting arm implement accurate butt joint of the main side and the tool side of the quick change device, Z-direction movement of the turnover lifting arm implements lifting or placing of a cabin section, and a rotary platform of the turnover lifting machine rotates around the X axis to drive the cabin section to turn over.
Owner:CAPITAL AEROSPACE MACHINERY

Wireless alarm quick response system in hospital

The utility model discloses a wireless alarm quick response system in a hospital, which comprises an alarm button, an emergency label, a master control node, an intelligent response server, a regional mobile phone and a central mobile phone, and is characterized in that the alarm button, the emergency label and the master control node form a self-organizing wireless network by adopting a wireless link; the regional mobile phone, the central mobile phone and the intelligent response server are accessed to a wireless local area network in a hospital, and the master control node is connected with the intelligent response server to form a hybrid networking emergency network architecture. When the alarm button gives an alarm, alarm information is transmitted to the intelligent response server and the emergency label through the self-organizing wireless network, the intelligent response server sends the alarm information and plans an emergency path to the regional mobile phone and the central mobile phone, and the emergency label reminds nearby personnel to deliver emergency equipment through sound and light. The system is convenient to deploy and complete in coverage, wireless local area network resources are saved, timely response between medical staff and first-aid equipment is facilitated, and the first-aid success rate is increased.
Owner:PEKING UNIV +1

Power electronic equipment parameter verification method and device based on power distribution management system, equipment and medium

The invention discloses a power electronic equipment parameter verification method and device based on a power distribution management system, equipment and a medium. The method comprises the following steps: receiving a data synchronization instruction of a user, obtaining a to-be-synchronized first equipment parameter, and accessing and analyzing the data synchronization instruction to obtain a target power distribution management system of to-be-synchronized data; and then, for each target power distribution management system, calling a corresponding target database, comparing the first equipment parameter with the historical equipment parameter, when the first equipment parameter is determined to be consistent with the historical equipment parameter, marking the first equipment parameter as a redundant parameter, and refusing the first equipment parameter to enter the target database. By implementing the method and the device, redundant parameters can be effectively identified and processed, effective equipment parameters stored in the database are ensured, the stability and the reliability of a power system are improved, and the system fault risk caused by data errors is reduced.
Owner:GUANGDONG POWER GRID CO LTD +1

Charging pile system with hoisting lifting type parking space lock

The invention discloses a charging pile system with a hoisting lifting type parking space lock, and relates to the technical field of new energy automobile charging equipment, the charging pile system comprises a charging pile installed on a parking space and a supporting frame, a driving mechanism is installed on the supporting frame, and the driving mechanism comprises a moving assembly, a lifting assembly and a driving assembly; the parking space comprises a bottom plate unit with one end hinged to the bottom of the supporting frame, a sliding plate unit is slidably installed on the bottom plate unit, and the sliding plate unit can drive the vehicle to be separated from the parking space when the bottom plate unit inclines; the driving assembly comprises a winding roller installed at the top of the supporting frame, the winding roller is connected with the other end of the bottom plate unit through a first connecting rope, and the winding roller is connected with the end of the sliding plate unit through a second connecting rope. Under the action of the moving assembly and the driving assembly, the non-charging vehicle occupying the parking space can be separated from the parking space.
Owner:SHENZHEN BOYE INTELLIGENT TECH CO LTD

Combined color steel corrugated cable bridge

The invention relates to the technical field of laying and erecting line assemblies, in particular to a combined color steel corrugated cable bridge which comprises a cable installation bottom frame, the top of the cable installation bottom frame is movably sleeved with an assembly top plate, a transverse moving frame is arranged at the bottom of the assembly top plate, and L-shaped bent plates are arranged on the two sides of the assembly top plate. A circular clamping strip is arranged at the bottom of the L-shaped bending plate, corresponding cables can be quickly and accurately found during equipment maintenance, troubleshooting or line reconstruction, the working efficiency is improved, different cables can be distinguished through marks or colors, after being fixed in a cable bridge, the cables are more convenient to identify and manage, and the cable bridge is more convenient to use. The method is particularly important for a large-scale project or a complex electrical system, misoperation and potential safety hazards can be reduced, and meanwhile, the cable can be effectively prevented from being influenced by external environments such as dust, moisture and corrosion. The cable bridge is usually made of corrosion-resistant, waterproof and dustproof materials, and reliable protection can be provided for the cable.
Owner:JIANGSU ZHONGHUI ELECTRICAL ENG CO LTD

Queue message processing method and device, hard disk, medium and product

The invention discloses a queue message processing method and device, a hard disk, a medium and a product, and relates to the technical field of message scheduling, and the method comprises the steps: respectively configuring a corresponding queue message number threshold and a message processing number threshold for each message queue; different message queues correspond to different queue priorities; determining a processing priority of each message queue based on a size relationship between the number of messages in the message queue and a corresponding queue message number threshold in combination with the queue priority; and performing message processing on each message queue in sequence according to the processing priority, and controlling the message quantity of the processed messages to be not greater than a corresponding message processing quantity threshold when the message processing is performed on any message queue every time. In this way, the processing priority can be re-determined according to the actual condition of the message queue by combining the queue priority and the queue message number threshold value; long-time resource occupation can be avoided, and the overall response speed and the message processing efficiency of the system are improved.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD

Cache data management method and device, computer equipment and storage medium

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

Cache data management method and device, medium and equipment

PendingCN119299737AShorten start timeAffect timelinessSelective content distributionData managementComputer engineering
The embodiment of the invention provides a cache data management method and device, a medium and equipment, and the method comprises the steps: receiving a playing request for target multimedia, and obtaining target source data corresponding to the target multimedia according to the playing request; analyzing the target source data to obtain GOP data; judging whether the current data cache space for GOP data cache supports GOP data writing or not; if the data cache space does not support GOP data writing, target historical position information located at the head of a queue structure is removed from the queue structure associated with the data cache space, and meanwhile historical GOP data corresponding to the target historical position information in the data cache space is released until the data cache space supports GOP data writing. And writing the GOP data into the data cache space. By utilizing the cache data management method provided by the embodiment of the invention, the problem that the multimedia playing process is stuck or audio and video are asynchronous due to unreasonable setting of a current data cache mechanism can be solved.
Owner:SHENZHEN TCL DIGITAL TECH CO LTD

Cover plate assembly and battery

The invention discloses a cover plate assembly and a battery, and relates to the technical field of batteries, the cover plate assembly comprises a pole, a cover plate and a pressing plate, the cover plate is provided with a mounting hole penetrating along the thickness direction of the cover plate, the pole is arranged in the mounting hole in a penetrating manner, the pressing plate sleeves the pole, the pole comprises a flanging part, the flanging part is located on the inner side of the cover plate, and the pressing plate is located on the inner side of the cover plate. The projection of the flanging part on the plane where the cover plate is located at least partially coincides with the projection of the pressing plate on the plane where the cover plate is located. Moreover, the specifications of the pressing plate and the flanging part are matched with each other, so that the pressing plate and the flanging part are matched with each other, the cover plate assembly is prevented from forming a structural weak point, enough welding space between the pressing plate and the pole can be ensured, the connection strength between the pressing plate and the pole is ensured, and the reliability of the cover plate assembly is improved. The flanging part can be prevented from excessively occupying the internal space of the battery, and the space utilization rate of the battery cell is ensured.
Owner:CALB GROUP CO LTD

Ultra-thin parking spot lock

The utility model discloses an ultra-thin parking spot lock which comprises a driving mechanism, a parking spot lock body and a parking spot lock body. The turning plate can rotate, and the turning plate and the guide plate are arranged side by side in the width direction of the turning plate; wherein a cavity is formed in the turning plate and / or the guide plate, a power module is assembled in the cavity, and the power module is electrically connected with the driving mechanism; the turning plate is provided with a driving axis and a rotating axis which are parallel, the length of the turning plate extends along the rotating axis, the width value of the turning plate is set as a, the distance between the driving axis and the rotating axis is not larger than a / 2, and the driving mechanism drives the turning plate to rotate around the rotating axis at the driving axis. According to the ultrathin parking spot lock, the cavity is formed in the turning plate or the guide plate, the power module is assembled, and the size of a machine box is reduced. The driving mechanism drives the turning plate to rotate at the driving axis, the needed power is small, the displacement of a driving part is small, the size of the driving mechanism is reduced, and the ultrathin design is achieved.
Owner:GUANGXUN INTERCONNECTION TECHNOLOGY (SHENZHEN) CO LTD

Buffering parking lock movement and parking lock

The utility model belongs to the field of parking space locks, and discloses a buffering parking space lock movement and a parking space lock. The utility model discloses a buffering parking lock movement which comprises a transmission mechanism and a buffering mechanism. A driving unit; a supporting seat; a movement cover; when the driving unit drives the screw rod to rotate, the screw rod drives the nut to move along the linear track; when the nut is subjected to external impact force in the first direction, the nut drives the screw rod to move in the first buffer gap along the linear track relative to the supporting seat; the parking space lock comprises any one of the buffering parking space lock movement, a connecting arm and a blocking piece. According to the buffering parking lock machine core, power transmission is achieved through the transmission mechanism, so that the nut, the screw rod and the driving unit are subjected to buffering protection through the first buffering gap, and deformation and damage of the nut, the screw rod and the driving unit when the nut, the screw rod and the driving unit are subjected to external impact force are reduced; according to the parking lock, the buffering parking lock movement is adopted, the linear track and the connecting arm are arranged independently, and the whole structure is stable in movement.
Owner:GUANGXUN INTERCONNECTION TECHNOLOGY (SHENZHEN) CO LTD

Method and system for dynamically adjusting load of ball screw pair under synchronous position ring

The invention discloses a method and a system for dynamically adjusting the load of a ball screw pair under a synchronous position ring, which are used for avoiding the situation that the direction of current needs to be frequently changed when a current ring is loaded by setting a corner difference loading mode under the same position ring, and a lead screw on the current ring is in a reverse transmission contact state and is not consistent with the common working condition of the lead screw; and the friction wear is accelerated, so that the lead screw on the current ring is easy to generate performance degradation and fatigue ring damage earlier than the lead screw on the position ring. On the basis, a static lower corner difference and load equation is accurately established through static corner difference calibration experiment and verification. Load closed-loop control is introduced in the movement process, and the problem that the load fluctuates greatly in the dynamic movement of the lead screw after static load calibration is effectively solved. And the dynamic load changing capability in the movement process of the screw rod is realized.
Owner:XI AN JIAOTONG UNIV

Self-adaptive power quality monitoring method for power cabinet

The invention relates to the technical field of electrical variable measurement, in particular to a self-adaptive power quality monitoring method for a power cabinet, which comprises the following steps of: starting a low-frequency acquisition unit arranged at a monitoring node of the power cabinet, and acquiring a low-frequency coarse scanning voltage signal of the power cabinet in a current monitoring period at a preset low-frequency sampling rate; according to the method, compressed observation vectors are transmitted, sparse basis inversion calculation is executed by using an orthogonal matching pursuit algorithm, high-precision power quality time domain waveform data are reconstructed, rich high-frequency transient details are restored under the condition of low-data-volume transmission, distortion feature analysis is carried out based on reconstructed waveforms, disturbance types are identified, and a monitoring analysis report is generated and uploaded. The real-time dynamic adjustment of the sampling scale and the matrix structure along with the signal fluctuation state is realized, the optimal balance of the data compression ratio and the signal reconstruction quality is achieved, the contradiction between the storage and transmission bandwidth limitation of massive high-frequency data in a complex power grid environment is solved, and the sensitivity for transient abnormality is improved.
Owner:NINGBO OURILI ELECTRIC MFG

Key and electronic equipment

The invention provides a key and electronic equipment, and relates to the technical field of vibration feedback of keys, a vibration feedback device can be integrated in the key, the structural complexity of the key is low, the size of the key can be reduced, and the key can be conveniently installed in the electronic equipment with limited space. The key comprises a key cap, a base, a pressure input piece, a first driving piece and a second driving piece. The key cap is provided with a pressing face, the pressure input piece comprises a fixing part and a cantilever part connected to the fixing part, the fixing part is fixed to the base, the cantilever part is located on the side, back to the pressing face, of the key cap, and vibration of the cantilever part can be transmitted to the key cap. One of the first driving piece and the second driving piece is arranged on the cantilever part, the other one is arranged on the base, and the first driving piece is used for being matched with the second driving piece to drive the cantilever part to vibrate. The key provided by the invention is used for controlling and executing at least one function.
Owner:HONOR DEVICE CO LTD

Thermal management method and device for alternating current charging of power battery, vehicle and storage medium

The invention discloses a thermal management method and device for alternating current charging of a power battery, electronic equipment and a storage medium, and the method comprises the steps: obtaining a charging current mapping table of the power battery and a charging parameter of a charging pile, so as to determine an optimal temperature interval of the power battery in a current electric quantity state; acquiring an actual temperature value of the power battery in the current electric quantity state; if the actual temperature value is smaller than the lower limit value of the optimal temperature interval, a target water inlet temperature value of the power battery is determined, and a heat management system is controlled to start heating according to the target water inlet temperature value; if the actual temperature value is larger than or equal to the lower limit value of the optimal temperature interval, the actual temperature value is in the optimal temperature interval of the current electric quantity state, and the heat management system is controlled to stop heating. The problem that the charging power of the power battery is reduced due to power consumption caused by heating the power battery in the vehicle in a low-temperature alternating-current slow charging scene can be solved.
Owner:CHONGQING JINKANG NEW ENERGY VEHICLE CO LTD

Reset circuit, reset method and multi-core heterogeneous system

The invention discloses a reset circuit, a reset method and a multi-core heterogeneous system. The reset circuit is applied to the multi-core heterogeneous system comprising at least two hardware domains. Each mutually isolated hardware domain is composed of a plurality of processor cores with different architectures in the multi-core heterogeneous system and hardware resources connected with each processor core; each hardware domain and the operating system corresponding to each hardware domain form each domain system; each domain system accesses system resources through a system bus; the reset circuit comprises a monitoring module which is used for monitoring each monitored object and obtaining a monitoring signal for each monitored object; the first processing module is used for acquiring a target reset mode from at least two reset modes according to the monitoring signal; processing the monitoring signal based on the target reset mode to obtain a first reset signal; and the reset control module is used for controlling the output of a first reset signal, and the output first reset signal is used for resetting the monitored object matched with the target reset mode.
Owner:BEIJING SEMIDRIVE TECHNOLOGY LTD

Photovoltaic module with edge creepage area and preparation method thereof

The invention discloses a photovoltaic module with an edge creepage area and a preparation method thereof. The method comprises the following steps: providing upper glass, a battery piece, lower glass, a welding strip, a confluence plate and a confluence groove; a slot is formed in any end surface of the confluence groove; the battery piece is pasted on the upper glass, the lower glass is pasted on the battery piece, and one end of the battery piece is connected with the welding strip; the welding strip is bent by 90 degrees relative to the battery piece, so that part of the structure of the welding strip extends upwards along the lower glass and is perpendicular to the battery piece; arranging a bus board on a partial structure of the welding strip, and electrically connecting the battery piece with a bus bar on the bus board through the welding strip; inserting a part of the structure of the welding strip into the slot of the confluence groove, so that the welding strip and the confluence plate are sealed in the confluence groove, and the part of the structure of the confluence groove is arranged on the lower glass; the photovoltaic module can be connected with external equipment through the confluence groove; and filling a packaging adhesive layer between the welding strip and the glass under the condition that the welding strip is not contacted with the confluence groove to complete the preparation of the photovoltaic module.
Owner:FAR EAST HENG FAI FACADE (ZHUHAI) LTD +1

Photographing method and device

The invention discloses a photographing method and device, and the method comprises the steps: obtaining the change information of a motion parameter of a camera; under the condition that the change information of the motion parameters meets a first constraint condition, storing a preset number of shot images shot by the camera in a preset memory; and under the condition that a photographing instruction is obtained, determining a target photographed image based on the preset number of photographed images in the preset memory. Under the condition that the change information of the motion parameters meets the first constraint condition, it is judged that the user is likely to take photos at the moment, the preset number of shot images are stored in the preset memory at the moment, occupation of system resources caused by real-time storage of the image frames can be avoided, the occupation of the system resources can be reduced, and the user experience is improved. And when the photographing instruction of the user is received, the target photographing image is directly selected from the preset number of photographing images, and low-delay photographing can be realized, so that occupation of system resources can be reduced under the condition of realizing relatively low-delay photographing.
Owner:GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD

Shared data transmission method and device, equipment, storage medium and program product

PendingCN119450438ASimplify the subscription acquisition processAvoid repeated subscriptionsConnection managementNetwork data managementData setEngineering
The invention relates to a shared data transmission method and device, equipment, a storage medium and a program product, and the method comprises the steps that a first network node receives a shared data set identifier sent by a second network node, and returns a target shared data set to the second network node according to the shared data set identifier sent by the second network node; the first network node can return multiple pieces of shared data required by the second network node to the second network node at one time, the subscription acquisition process of the scattered shared data is simplified, the situation that excessive resources are occupied by multiple times of subscription acquisition of the shared data can be avoided, and repeated subscription of the same shared data can also be avoided. Therefore, compared with the transmission mode in the related technology, the transmission mode of the shared data in the embodiment of the invention is simpler and more convenient, the transmission efficiency of the shared data can be improved, and the working efficiency of the network node can also be improved.
Owner:CHINA TELECOM CORP LTD TECHNOLOGY INNOVATION CENTER +1