278 results about "Reliability assurance" patented technology

The invention provides a lithium ion battery energy storage cabinet fire early warning system based on multi-source data fusion, and belongs to the technical field of fire early warning. According to the system, through multi-source sensor data fusion and deep learning analysis, the state of a battery in the energy storage cabinet is monitored in an all-around mode, the accuracy and reliability of thermal runaway early warning are improved, and operation safety of energy storage facilities is guaranteed; the system comprises a sensor module, a data acquisition module, an image acquisition module, an edge calculation module, a sound-light alarm module and a remote monitoring module. The lithium ion battery energy storage cabinet fire early warning system has the advantages that the deep learning and multi-source data fusion technology is adopted by the lithium ion battery energy storage cabinet fire early warning system; according to the invention, the arrangement scheme of the industrial camera is innovatively designed; according to the invention, a multi-scale-based early warning evaluation framework is innovatively designed; according to the invention, an edge computing architecture is adopted and an Internet of Things cloud platform is combined, so that an integrated solution from data acquisition, preprocessing and deep learning analysis to remote monitoring is realized.

According to the high-speed serial communication system protocol adaptation layer circuit oriented to interconnection between the core particles and the working method, the circuit serves as a bridging layer between an AXI-S bus and a SerDes physical coding sub-layer, and the problems of reliability and flow control in high-speed data transmission between the core particles are solved. The circuit adopts a modular design idea and comprises a transmitter and a receiver. In the aspect of data packet design, a first packet special processing mechanism is adopted, and an event serial number and target address information are only transmitted in a first packet, so that the bit utilization rate is improved. In the flow control design, a credit-based flow control mechanism is adopted, and the data transmission reliability is guaranteed through a special flow control packet. In addition, the system has a point-to-point retransmission function, data packets which fail in transmission are indexed and retransmitted, and successful data transmission is guaranteed within the configured retransmission times. According to the invention, an efficient and reliable protocol adaptation layer circuit solution is provided for high-speed interconnection requirements in core particle design.

The invention discloses an explosion-proof and intrinsic safety type combined feeder switch state monitoring method based on big data, and relates to the technical field of industrial electrical equipment state monitoring and fault diagnosis, and the method is realized based on a three-level architecture constructed by an edge computing node, a region computing node and a cloud platform. Comprising the following steps: S1, collecting multi-source sensing data of a feeder switch in real time by an edge computing node, and performing feature extraction and fusion calculation on the multi-source sensing data; according to the method for monitoring the state of the explosion-proof and intrinsic safety type combined feeder switch based on the big data, the contradiction between the real-time performance and the accuracy in multi-source heterogeneous data fusion processing is effectively solved, abnormity can be found in the first time, early warning can be triggered, and the reliability of a diagnosis conclusion is improved; and the accuracy and foresight of fault diagnosis are ensured. According to the grading processing mechanism, computing resources are reasonably distributed, the network transmission load is greatly reduced, and the system can stably operate in a complex industrial environment.

The invention discloses a remote intelligent control system for mine unmanned equipment, and particularly relates to the technical field of mine unmanned equipment, and the remote intelligent control system comprises an environment sensing modeling module which is used for collecting and processing mine environment data in real time to construct an accurate three-dimensional environment model. Mine environment data are collected and processed in real time through the environment sensing modeling module, an accurate three-dimensional environment model is constructed, basic data support is provided for intelligent decision making, an optimal decision making scheme is made based on environment information and task requirements through the intelligent decision making control module, intelligent operation is achieved, and the intelligent decision making efficiency is improved. A man-machine interaction interface is provided through the remote interaction monitoring module, remote real-time monitoring and operation are achieved, it is ensured that operators can intervene in time, and stable operation and emergency processing capacity of the system under various working conditions are ensured through multiple safety and redundancy design of the safety and reliability guarantee module.

The invention relates to an underground rock mass intelligent surveying system based on high-density resistivity, and aims to provide a high-precision surveying solution capable of automatically identifying and analyzing underground substance distribution. The system is composed of a data acquisition module, an intelligent data processing and analysis module, a three-dimensional visualization module, a user interaction interface, a data sharing and cloud service module, an automatic survey path planning module and a safety and reliability guarantee module. Innovation points comprise an adaptive data acquisition algorithm, a multi-source data fusion technology, an intelligent diagnosis and prediction model, a low-energy-consumption long-acting operation design and a modular hardware architecture. The system can monitor underground environment change in real time, generate a visual three-dimensional geologic model, and support data sharing and remote access through the cloud platform. According to the surveying method, surveying precision and efficiency are improved, cost is reduced, and the surveying method is suitable for multiple fields of urban construction, geological research, environment monitoring and the like.

The invention discloses a driving regeneration control method and device, equipment and a storage medium. The control method comprises the steps that the real-time temperature and the carbon loading capacity of the particulate filter, the remaining electric quantity of a power battery and the torque of a generator are obtained; in the driving regeneration stage, when the real-time temperature is larger than the first preset temperature, the temperature rising speed and the temperature rising duration time are obtained; when the temperature rise rate is greater than the preset temperature rate, the generator torque is greater than the preset torque and the residual electric quantity is greater than the preset electric quantity, outputting a torque reduction signal to the generator to control the generator to reduce the generator torque; and when the temperature rise duration is longer than the preset rise time or the carbon loading capacity is smaller than the first preset carbon loading capacity, exiting the driving regeneration stage. According to the technical scheme, normal work of the system is prevented from being affected by overtemperature of the engine aftertreatment system, the reliability of the vehicle in the running process is improved, and normal work of the vehicle system is guaranteed.

The invention relates to the technical field of medical equipment, and discloses an intelligent detection system and method for the internal air quality of a medical refrigerator box body, the system comprises a data acquisition module, a data processing module and a detection execution module, when the internal air quality of a refrigerator is detected in real time, a dynamic and static parameter collaborative acquisition mechanism is established; dynamic detection references are set for different storage article types, monitoring pertinence of various medical article storage environments is guaranteed, meanwhile, data streams of a static sensor and a dynamic sensor are integrated and calibrated in real time, the problem of data fusion distortion caused by sampling frequency differences of the sensors can be synchronously reduced, and the accuracy of data fusion is improved. Detection deviation of temperature, humidity and pollutant concentration is avoided, accuracy and reliability of monitoring of the refrigerated medicine storage environment are improved, it is guaranteed that the detection logic and parameter characteristics are always kept in the optimal matching relation, and the misjudgment risk caused by algorithm stiffness is reduced.

The invention discloses an online plugging method and device for an oil leakage point of an oil pipeline of a hydropower station. The plugging method comprises the steps that the oil leakage point is marked, and an oil leakage area of the oil pipeline is polished; the plugging plate is cut, a hole is formed in the middle of the plugging plate, and a pipe joint is welded to the hole position; fixing the plugging plate on the oil pipeline to enable the pipe joint to correspond to the oil leakage point; the plugging glue is filled on the plugging plate and the periphery of the plugging plate; and the cap is plugged on the pipe joint and leakage detection is carried out. According to the online plugging method, oil leakage of the oil conveying pipeline can be plugged online under the condition that the oil conveying pipeline is not stopped, the equipment reliability is improved, and safe and long-period operation of a power station is guaranteed.

The invention discloses a power plant unit load distribution system and method, and the method comprises the steps: monitoring and collecting a data set of key operation parameters of each unit in real time through a sensor monitoring system; a data processing and analysis algorithm based on artificial intelligence and deep learning is introduced at the rear end to carry out collaborative correlation analysis on the data sets of the key operation parameters of the different units, so that the operation state characteristics of the units are extracted; and carrying out priority ranking on the units based on the running state characteristics of the different units and the variable load direction of the thermal power plant. Therefore, the priority order of each unit can be dynamically adjusted based on the operation state and the variable load direction of each unit of the power plant, so that more flexible and intelligent power plant unit load distribution and scheduling are realized to cope with continuously changing power markets and user requirements; the rationality and reliability of load distribution can be ensured, and the operation efficiency and economy of a power plant are ensured.

The utility model discloses a fire hydrant pressure measuring connector, and belongs to the field of fire fighting equipment. A fire hydrant pressure measuring connector comprises a hydrant head and further comprises a buffer plate fixedly connected to the inner wall of the hydrant head. The connecting pipe is fixedly connected to one side of the bolt head, a pressure measuring assembly is arranged on the connecting pipe, a water outlet pipe is fixedly connected to the side, away from the pressure measuring assembly, of the connecting pipe, an exhaust pipe is arranged at the bottom of the connecting pipe, the bottom of the water outlet pipe is communicated with the bolt head through a guide pipe, and the buffer plate is matched with the guide pipe; according to the utility model, on one hand, the impact of water flow can be reduced by using the buffer plate, the pressure in the bolt head is reduced, and the service life of the pressure gauge body is prolonged, and on the other hand, air in the bolt head can be visually discharged, so that a high or low pressure measurement result is prevented, and the measurement precision and reliability are improved; and the use safety is ensured.

The present invention relates to the technical field of heating network control, and discloses an intelligent heating control method based on deep reinforcement learning and adaptive control, comprising the following steps: S1: collecting outdoor environment data and heat load data of each heating station, and performing data preprocessing; S2: training a deep reinforcement learning model based on the outdoor environment data and heat load data; S3: formulating a heating strategy based on the deep reinforcement learning model; S4: executing the heating strategy through an adaptive control algorithm. The present invention improves energy utilization efficiency, reduces unnecessary energy loss, enhances the stability and reliability of the entire heating system, ensures heating quality, and optimizes energy distribution.

The invention provides a safety evaluation method, system and device for the pier sitting state of a ship and a medium, and the safety evaluation method comprises the steps: carrying out the modeling of a target structure of the ship in the pier sitting state, so as to obtain a target model; wherein the target structure comprises at least one of a ship body, a docking block, a dock bottom plate and a pile foundation; obtaining an actual value of a safety evaluation index corresponding to each target structure based on the target model; and determining the safety state of the ship based on the actual value. By modeling at least one target structure of the ship body, the docking block, the dock bottom plate and the pile foundation of the ship in the docking state, the actual condition of the ship in the docking state can be truly simulated, the accuracy and reliability of safety evaluation of the docking state of the ship are improved, and the docking safety of the ship is ensured.

This invention discloses a drone trajectory planning method and apparatus for edge data retrieval, relating to the navigation field, to improve the reliability of data retrieval tasks while ensuring data retrieval efficiency. The invention obtains edge node information for all target edge nodes; acquires basic drone parameters and initial state information, thereby obtaining the drone's unit energy consumption; calculates the drone's flight energy consumption between each pair of nodes, constructing an edge node geographic information model; then iterates through the following steps until all edge nodes have been visited, obtaining the drone's flight trajectory: based on the edge node geographic information model and the drone's state information, a greedy strategy is used to plan the access trajectory corresponding to the maximum number of visited nodes; the drone visits nodes sequentially along this access trajectory and updates its state information. This invention can effectively improve the reliability of data retrieval, ensuring both data retrieval efficiency and energy efficiency of the system.

The invention provides a protection control device for an expansion power generation system of a compression control energy storage power station. The protection control device comprises a control module, a plurality of measuring points arranged on the compression control energy storage power station and valves, the control module is in communication connection with each measuring point and the valve; the control module is used for acquiring measurement data of each measurement point, monitoring feedback signals of a plurality of devices in the compression control energy storage power station, applying a preset protection control strategy and controlling a valve according to the measurement data of each measurement point and the feedback signals of each device, and completing protection control of an expansion power generation system in the compression control energy storage power station. The equipment comprises an electrical protection device, an electrical cabinet, a circulating cooling water system, an expansion generator, a heat release system, a cold storage system, measuring points and valves. The reliability and efficiency of protection control of the expansion power generation system can be improved, the safety and reliability of the compressed air energy storage power station are improved, and the supporting capacity for a power grid is guaranteed.

The invention discloses an automatic production line of a new energy automobile controller, and relates to the technical field of intelligent processing of new energy automobile parts, and the automatic production line of the new energy automobile controller eliminates the interval time of traditional manual carrying, positioning and detection through seamless connection of 24 procedures from OP010 (PCBA automatic feeding) to OP240 (automatic boxing), and improves the production efficiency. Full-process intelligent production is realized, full-process automatic operation from circuit board detection, program burning, protective coating to complete machine assembly is realized, and the production efficiency and the product consistency are remarkably improved; precise interception of defects is ensured through AOI optical detection, ICT / FCT multi-level testing and AI appearance inspection, the manual misjudgment rate is reduced, reliability guarantee is enhanced by combining automatic aging testing and air tightness verification, the flexible production line design adapts to the production requirements of various controllers, and a high-stability manufacturing basis is provided for industrial large-scale development while the labor cost is reduced.

The application belongs to the technical field of temperature measurement, and particularly relates to a gear box temperature measuring device and a temperature measuring method. The infrared temperature sensor and the thermal resistance temperature sensor are integrated to be arranged, so that the installation of two temperature sensors on the gear box can be completed at one time, and the mounting and maintenance efficiency of the temperature measuring device is improved. The thermal resistance temperature sensor and the infrared temperature sensor are used to measure the oil temperature in the gear box, so that the reliability of the gear box temperature monitoring operation is improved, and the safe operation of the internal components of the gear box is ensured. The magnetic sleeve is arranged to be quickly adsorbed and installed in the accommodating hole of the gear box. The upper pipe section and the magnetic sleeve are arranged as a threaded connection structure to realize the sealed connection of the two, the length of the sealed section of the whole temperature measuring device is prolonged, and the probability of leakage of the oil in the gear box after seeping out through the gap between the lower pipe section and the threaded hole of the lower pipe section is reduced.

The present invention relates to the technical field of hydrogen ball valves, and in particular to a hydrogen ball valve with an automatic compensation sealing function, comprising a valve body, a valve cavity is provided inside the valve body, a ball core is provided inside the valve cavity, the middle peripheral wall of the ball core is slidably connected to the middle inner surface of the valve cavity, connecting pieces are provided at both ends of the valve body, a flange pipe is fixed at one end of the connecting piece, connecting bolts are inserted at the four corners of the outer wall of the connecting piece, both ends of the valve body are threadedly connected to the connecting bolts through threaded holes, a pressure monitor body is installed on the bottom surface of the valve body, and the pressure monitor body is connected to the valve cavity. The valve seat is compensated by the first compensation component and the second compensation component, so that the sealing gasket on the valve seat abuts against the ball core for sealing, thereby preventing hydrogen leakage, improving the safety and reliability of the equipment, ensuring the long-term stable operation of the hydrogen delivery system, and ensuring the stable operation of the valve under different working conditions.

The present application relates to a vehicle safety OTA upgrade method and device, wherein the method includes: receiving an over-the-air download technology OTA upgrade task and an OTA upgrade software package sent by an OTA cloud server; sending an upgrade instruction to an OTA master control node according to the OTA upgrade task, and judging whether the current vehicle is in a preset safety state according to the vehicle safety signal collected by the OTA master control node after receiving the upgrade instruction; if the current vehicle is in a preset safety state, writing at least one target upgrade object of the current vehicle according to the OTA upgrade software package. The embodiment of the present application can judge whether it is in a safe state according to the safety signal collected by the OTA master control node, so that when it is in a safe state, the upgrade object is written according to the OTA upgrade software package, thereby ensuring that the vehicle achieves the purpose of safety upgrade in the event of controller failure, improving the safety and reliability of OTA upgrades, and ensuring the intelligence and practicality of the vehicle.

The application discloses a kind of formation fluid sampling device's use method, solve the technical problem that manual control valve cannot detect, sampling success rate is difficult to guarantee.The formation fluid sampling device includes sample cylinder body, energy storage mechanism, sampling connector, sampling channel, sampling interface and manual control valve, further includes: inspection port, is set on sampling connector, and with sampling channel communication;Inspection plug, is screw-connected in inspection port;Pressure relief port, is set on sampling connector, and with sampling channel communication;Pressure relief valve, is screw-connected in pressure relief port;First check valve, is set in sampling channel, and is located between sampling interface and pressure relief valve, manual control valve is between inspection port and pressure relief port.The application can realize the detection of manual control valve, also can prevent sample liquid from flowing out of sampling device, improve the use reliability of sampling device, guarantee sampling success rate.

A safety interlocking system and a railway vehicle. The safety interlocking system comprises: a starting switch, a circuit breaker provided with a coil and a contact, and a hydrogenation device, wherein the contact of the circuit breaker is in a normally-closed state when the coil is not electrified; thus, when the starting switch is in a closed state, the coil in the circuit breaker is electrified, and the normally-closed contact is converted into a disconnected state; at the moment, it is ensured that the hydrogenation device does not execute a hydrogenation operation on the railway vehicle when the starting switch is not completely closed; and at the moment, the reliability of determining that a power supply of the railway vehicle is completely disconnected is improved by means of the provided circuit breaker, ensuring the operation safety.

The utility model relates to the related technical field of barrel type economizers, in particular to an adjustable flow control device of a barrel type economizer, which comprises a flow control device, an adjusting mechanism and a sealing mechanism are arranged in the flow control device, the flow control device comprises a pipeline, a display and a detector, and the pipeline is connected with the display and the detector. A display is arranged at one end of the pipeline, and a detector is arranged at one end of the pipeline. According to the adjustable flow control device of the barrel type economizer, through the arrangement of the first valve, the ball valve, the second valve and the flow adjusting plate and the rotary structural design of the first valve and the ball valve, flow adjustment is more flexible and convenient, the size of the flow adjusting plate is matched with the inner wall of the ball valve, the smoothness of fluid passing is guaranteed, fluid resistance is reduced, and the service life of the flow adjusting plate is prolonged. And due to the arrangement of the second valve, the accuracy and reliability of flow control are further improved, the simplicity and convenience of operation are ensured, and the stability and efficiency of the system are improved.

A stacking and conveying device for a three-dimensional drying and curing oven relates to the technical field of drying and curing ovens and comprises an oven body, a tray conveying and clamping device B and a workpiece tray, an intermediate plate E is fixed on a bottom plate of the oven body, and a stacking left-right limiting lifting device A2, a transition section jacking device G and a jacking device A1 are mounted on the intermediate plate E respectively. The stacking and conveying device for the three-dimensional drying and curing furnace is compact in overall structure, small in size, easy to manufacture and convenient to operate, a heating furnace can be expanded in the width direction, the application range of the furnace in the market is greatly expanded, conveying of the stacking and conveying device is driven in a stepping mode, a material disc set of the stacking and conveying device can be clamped and limited by a fence, and the stacking and conveying efficiency is improved. Therefore, the tray set cannot slip during conveying, accuracy and reliability of the conveying position are guaranteed, it is guaranteed that subsequent tray set stacking work can be smoothly carried out, the tray lifting mechanism adopts a chain transmission driving mechanism, heat resistance, driving quality and working efficiency of the tray lifting mechanism are greatly improved, and the tray lifting mechanism is suitable for large-scale popularization and application. Compared with stacking, conveying, lifting and discharging operations in the prior art, the working reliability, the conveying position precision and the working efficiency of the stacking and conveying device are remarkably improved.

The utility model relates to the technical field of switch signal detection, in particular to a seat interlocking mechanism switch signal detection device which comprises a shell, a panel located on the front side of the shell and a back plate located on the rear side of the shell. The 27V converter is connected with the power socket; the three groups of parallel detection circuits and the three corresponding parallel detection switches are connected with the 27V converter; the four detection interfaces are connected with the three groups of parallel detection circuits and the three corresponding parallel detection switches; voltmeters are connected between the 27V converter and the three groups of parallel detection circuits and between the 27V converter and the corresponding three parallel detection switches. The interlocking mechanism switch signal detection device can effectively solve the problem of interlocking mechanism switch signal detection, and can control the quality stability and reliability of interlocking mechanism maintenance. The interlocking mechanism switch output signal detection device ensures reliability of interlocking mechanism switch output signal detection, improves work efficiency, saves time, and can be applied to interlocking mechanism production and maintenance processes.

The application provides a kind of virtual marshalling under global optimization curve test method, device, equipment and medium, it is related to rail transit technical field, the method comprises: extracting the third speed information corresponding to the car after marshalling from the first speed information, extracting the fourth speed information corresponding to the car after marshalling from the second speed information;According to fourth speed information and third speed information, determine the speed difference mean of the car after marshalling;According to the speed difference mean and preset speed, output the test result of virtual marshalling train global optimization curve.The application combines the speed corresponding to different time when virtual marshalling train runs according to preset recommended speed and the preset limit speed corresponding to different time to prevent virtual marshalling train from triggering emergency brake, realizes accurate verification to marshalling train running global optimization curve, has higher real-time and accuracy, improves the test efficiency and reliability of virtual marshalling, guarantees the operation safety of virtual marshalling train.

The invention relates to the technical field of high-pressure cleaning machines, in particular to a portable cleaning machine which not only has a basic high-pressure water cleaning function, but also can be conveniently moved at different places through the design of moving wheels and a handle, and a machine body of the cleaning machine can be detached, so that the cleaning machine is convenient to use. And the machine body can work at different heights. In addition, through the matched design of the fixing frame, the bearing rod and the bearing plate, the stability of the machine body on the frame body is ensured, and the risks of shaking and falling off in the transportation process are effectively prevented. And through the arrangement of the locking columns and the locking grooves, the fixing reliability is further enhanced, and the stability and safety of the cleaning machine in the working state are guaranteed.

The present disclosure provides a reliability assurance method and a related apparatus. A receiving end device (watchdog) detects a continuous packet loss state, and sends the continuous packet loss state to an access network device, so that the access network device adjusts differentiated scheduling and a reliability assurance policy based on the continuous packet loss state.

The present application relates to the technical field of communications. Provided is a resource determination method. The specific implementation solution involves: firstly, determining a first index of a starting physical resource block (PRB) of an ith sounding reference signal (SRS) resource of a terminal; when the terminal is a reduced-capability terminal, determining a reference index of an SRS resource of the terminal; and then determining a target index of the starting PRB of the ith SRS resource of the terminal on the basis of the first index and the reference index. Thus, on the basis of the reference index of the SRS resource of the reduced-capability terminal and a first index of a starting PRB of each SRS resource, the absolute position of each SRS resource in all bandwidths is determined, thereby ensuring the accuracy and reliability of the determined position of each SRS resource, ensuring that the reduced-capability terminal can reliably send an SRS resource, and providing a condition for realizing reliable communication of the reduced-capability terminal.

The invention provides a monitoring method of an optical module, the optical module and an optical communication device, which are used for improving the universality of log records of the optical module. The method comprises the steps that an optical module receives first information from first equipment, the first information is used for indicating current time determined by the first equipment, the optical module is inserted in an interface of the first equipment, and the first equipment is any one of a wavelength division single board, an optical switch or a router; the optical module records a first log according to the first information. The current time is sent to the optical module by using the parent equipment of the optical module, so that the time of the optical module is synchronized with that of the outside, the universality of log recording of the optical module is improved, and logs of the optical module can be effectively used for operating data analysis, long-term reliability guarantee, rapid problem delimitation, early warning and the like.

The utility model relates to the field of household appliances, and discloses an installation structure, a spraying assembly and a dish washing machine. The installation structure is greatly simplified, the installation operation difficulty is small, the strength and reliability of the spraying arm structure can be improved, and the operation stability of the nozzle assembly is guaranteed. The mounting structure is applied to the spraying assembly, the spraying assembly comprises a spraying support and a spraying arm, the spraying support is provided with an assembly seat, the spraying arm is provided with an assembly hole, the assembly seat is rotationally assembled with the assembly hole through the mounting structure, the mounting structure comprises a guide structure and a limiting structure, the guide structure is arranged on the assembly seat and the assembly hole, and the limiting structure is arranged on the guide structure. The assembly seat is in inclined rotary butt joint with the assembly hole through a guide structure; the limiting structure is arranged on the assembling base and the assembling hole, and after the assembling base and the assembling hole are in rotary butt joint, the assembling base and the assembling hole are limited in the first direction through the limiting structure.

This invention relates to the field of early warning and risk state prediction technology for battery safety, and particularly to an attention-based multi-type feature-driven method for predicting early thermal runaway of marine power batteries. The invention establishes an attention-based multi-type feature-driven method for predicting early thermal runaway of marine power batteries through feature extraction methods and network structure design. This method is based on multiple types of signals and designs a comprehensive feature extraction scheme spanning the time and frequency domains. Secondly, it constructs a variational autoencoder network architecture with an attention feature fusion mechanism, embedding a self-attention mechanism into a traditional variational autoencoder network for multi-type feature fusion, and combining a cluster partitioning method to construct a multi-expert decoder and auxiliary decoder structure to achieve differentiated reconstruction under heterogeneous operating conditions. This solution improves the safety and reliability of the battery system and ensures long-term stable operation.