135results about How to "Achieve consistency" patented technology

The invention discloses a lithium battery system with a remote upgrading function, belongs to the technical field of lithium battery management, and aims to solve the problems that an existing system is high in field upgrading cost, easy to fail in upgrading, split in operation and maintenance functions, lack of outdoor theft prevention and the like. The system comprises a lithium battery body, a BMS (Battery Management System), an embedded Web UI (User Interface) and a multi-protocol communication module, the BMS is integrated with an Ethernet, a CAN (Controller Area Network) and an RS485 (Recommended Standard 485) communication unit, an upgrade failure three-level protection mechanism is set, and host-slave parallel operation collaborative upgrade and configuration persistence are supported; the embedded Web UI integrates refined log management, three-level password authority control and anti-theft closed-loop control functions; the multi-protocol communication module is compatible with ModbusTCP and SNMP protocols, and has interface backup and fault redundancy design. According to the system, remote upgrading, integrated operation and maintenance and safety protection of the lithium battery are achieved, the upgrading success rate reaches 99.8% or above, the operation and maintenance cost is reduced by 90%, the fault processing efficiency is improved by 85%, and the system can flexibly adapt to scenes such as a communication base station and a data center and has high practicability and market competitiveness.

The present application relates to the technical field of gas sensor calibration, and particularly relates to an intelligent calibration method for a methane sensor in a coal mine, which comprises the following steps: establishing a near-field session and obtaining a permeation tube metrological certificate parameter and a calibration instruction set; obtaining a zero point data set and a sealing score in a closed microcavity, generating a standard concentration trajectory according to the metrological certificate, and collecting a standard section data set; forming original collected data according to joint target optimization of a temperature time profile and an H-infinity norm information matrix; implementing robust deconvolution and variational Bayesian inference based on a first-order inertial dynamic model to obtain a set of robust point estimation parameters, a posterior distribution and a combined uncertainty; calculating a Wasserstein barycenter on a section adjacency graph and solving a one-norm uniform optimization release correction parameter set to realize traceable, robust and section-consistent online correction and re-calibration triggering.

This invention relates to the field of intelligent water control terminal control and electromagnetic compatibility processing technology, and particularly to an anti-interference water control terminal control method and system with abnormal alarm. The method includes: reading raw signals in parallel from water shortage, anti-magnetic, and flow sampling interfaces; processing and mapping these signals into alarm events and writing them into a hardware alarm event set; performing board-level partitioning layout based on the information in the event set to generate a partitioning layout configuration set; configuring decoupling units, laying grounding wires and copper plating, and setting multiple grounding nodes accordingly; assigning power supplies to each detection interface to an analog power path and power supplies to the main control and communication modules to a digital power path, configuring filtering units and isolation nodes; laying grounding copper foil and vias for the crystal oscillator, and configuring metal shielding structures for key modules; reading alarm signals based on the obtained configuration set and encapsulating them into alarm messages, uploading them via Bluetooth or 4G channels, receiving management results, and generating a terminal alarm processing status. This invention improves the anti-interference capability and alarm reliability of the water control terminal through event-driven board-level layout and power supply link isolation.

The invention provides a multi-device video effect adjustment method and device, equipment and a medium. The method comprises the following steps: acquiring a first candidate source video on a first device in multiple devices and first candidate screen projection videos on each second device; performing brightness alignment on the first candidate source video and each first candidate screen projection video based on the reference sensible light intensity to obtain a second candidate source video on the first device and a second candidate screen projection video on each second device; and obtaining a display effect offset parameter set of each second device based on the first device, so as to carry out offset correction on the second candidate source video and each second candidate screen projection video, thereby obtaining a target source video on the first device and a target projection video on each second device. The difference degree of the display effect between the target source video and each target screen projection video is reduced, the consistency of the display effect of multiple devices is realized, and the influence degree of the display difference of the multiple devices on the watching experience of a user is reduced.

The embodiment of the invention provides a power grid strategy multi-level consistency evaluation method and device, and the method innovatively proposes a cross-stage strategy element embedding expression and consistency evaluation method, and carries out the element extraction, semantic embedding and cross-stage mapping of strategy, planning, project and plan multi-level texts. A strategic semantic conduction path between a strategic target and a power grid project execution link is established and optimized, so that consistency analysis and optimization in a strategic landing process are realized, the scientificity and intelligence level of strategic landing are improved, and finally a power grid project and strategic consistency evaluation method is constructed. Effects and defects of the project in response strategy aspects are obtained, and thoughts are provided for project optimization.

The utility model discloses an independent bag spring gluing device which comprises a C-opening base, an L-shaped back supporting frame installed at the top end of the C-opening base, an L-shaped back supporting frame fixedly installed on the back face of the C-opening base and a double-rod type pneumatic lifting assembly arranged at one end of the surface of the L-shaped back supporting frame. The upper double-position dispensing mold is used for being matched with the lower double-position dispensing mold and pressing the independent bag spring when being driven by the double-rod type pneumatic lifting assembly to move downwards. According to the utility model, an independent bag spring workpiece to be subjected to adhesive dispensing treatment is placed in the lower double-position adhesive dispensing mold, the upper double-position adhesive dispensing mold is close to the lower double-position adhesive dispensing mold through the double-rod pneumatic lifting assembly to clamp the independent bag spring, and double-sided adhesive dispensing operation of adhesive liquid on the independent bag spring is realized through the two independent pipelines.

This invention relates to the field of medical device technology and provides a method, system, and medical device for measuring peak cough flow rate. The method includes real-time acquisition of inspiratory and expiratory flow rate signals and airway pressure signals; monitoring changes in the expiratory flow rate signal to identify burst cough events and lock a cough analysis window; calculating the difference in inspiratory and expiratory flow rates within the cough analysis window to obtain a baseline cough flow rate sequence; calculating the airway pressure signal within the cough analysis window using a system leakage factor to obtain a leakage flow rate compensation sequence; determining coefficients based on the ratio of tubing and patient airway resistance parameters and multiplying the expiratory flow rate signals to obtain a tubing resistance compensation sequence; superimposing the above sequences to obtain a corrected flow rate sequence; and extracting extreme value features and evaluating the effectiveness of the corrected flow rate sequence generated after a preset number of iterations to determine the peak cough flow rate value. This invention solves the problems of inaccurate and inefficient measurement results in existing peak cough flow rate measurements.

This invention relates to the field of energy storage system control technology, and discloses an intelligent control and power regulation method for a string-type grid-connected energy storage system, comprising: S1, acquiring grid status and mode-defined demand; S2, acquiring cluster-level topology mapping; S3, collecting cluster state variables of each energy storage cluster; S4, determining capacity estimates and uncertainty metrics, and shrinking or correcting capacity boundary terms; S5, performing inter-cluster collaborative allocation based on support demand and available capacity to obtain support shares; S6, mapping control parameters and controlling converters; S7, event-triggered reconfiguration and reallocation. By introducing a safe availability capacity assessment mechanism based on cluster-level capacity estimation, uncertainty metrics, and boundary shrinkage, the method achieves precise on-demand supply of grid support while meeting current, voltage, and temperature constraints, significantly reducing the risks of overload, exceeding limits, and misjudgment, and improving system safety and support effectiveness.

The application belongs to the technical field of vehicle information anonymization detection, and particularly relates to a multi-type image anonymization annotation dataset construction and target coverage rate determination method. The method is based on a face and license plate image dataset with double annotation of theoretical anonymization region and anonymization features, introduces an anonymization feature extraction branch in an improved YOLOv5-L model and performs cross-modal feature fusion, combines a plurality of loss functions with theoretical anonymization region positioning loss as the core and a two-stage progressive training and difficult example mining mechanism, and realizes precise learning of the anonymization features. After normalizing the input anonymization image, the model inference obtains the theoretical anonymization region coordinates and maps them back to the original size, and through non-maximum suppression and matching of the IoU threshold, the region coverage rate is calculated to determine the positive detection, missed detection and statistical false detection rate. The application effectively overcomes the feature dependency failure and model robustness problem, and realizes high-precision, low-misjudgment anonymization detection and evaluation under various anonymization conditions.

The application discloses a kind of multi-agent system output compensation control methods under non-periodic DoS attack, first construct follower fuzzy approximation system model and non-periodic DoS attack model;When attack activation causes output loss, trigger attack compensation mechanism to keep last output to provide continuous compensation signal;Switch fuzzy state observer is constructed to estimate agent state, and adaptive law in attack activation and dormancy stage is designed using Lyapunov function;Global preset performance function is constructed to establish dynamic performance boundary, and consistency tracking error and normalized conversion error are calculated to construct barrier function;Distributed adaptive security control law is obtained by combining backstepping method.The application overcomes the defect that observation performance decreases due to output loss in attack stage and traditional performance function depends on error initial value, guarantees global preset performance and high-precision state estimation, solves the cooperative control problem under non-periodic DoS attack.

The application relates to the technical field of single sign-on, in particular to a plug-and-play OAuth2 single sign-on authentication service system and method, which comprises the following steps: redirecting to a client according to a login address carrying an authorization code preset by the client; after receiving the authorization code, automatically calling a token interface of an authentication center system to obtain an OAuth2 token, calling a token generation interface provided by an original system by a plug-in client jar package, and obtaining an original system token based on user information in the OAuth2 token; the plug-in client jar package establishes a bidirectional mapping relationship between an OAuth2 access token and an original system access token and between an OAuth2 refresh token and an original system refresh token, and stores the tokens in Redis; and when the OAuth2 token state changes, synchronously updating the original system token state based on the mapping relationship in Redis. The method does not need to make large-scale modification on an existing business system, and reduces integration cost and development difficulty.

The invention relates to the technical field of food processing equipment, in particular to a microbial engineering fermentation device.The microbial engineering fermentation device comprises a heater, a water supply heating assembly, an integrated tank assembly and a fermentation liquor circulating assembly.The integrated tank assembly comprises a tank body, a tank body end socket, a rice inlet pipe, an air return pipe, a conical barrel, a water inlet pipe, a high-pressure component and an overflow component; the rice inlet pipe and the air return pipe are fixedly communicated with the rice conveyor, rice is guided into the tank body, the water inlet pipe is communicated with the water supply heating assembly, hot water is input into the tank body, and the high-pressure component introduces high-pressure gas into the tank body from the bottom, so that the rice in the tank body is fully turned over, impurities are washed away, and the rice is discharged from the overflow component. The fermentation liquid circulating assembly enables materials in the tank body to keep balanced fermentation conditions in different areas, fermentation parameters can be accurately set and adjusted, the fermentation period is shortened, the fermentation efficiency is improved, and balanced management integrating cleaning, soaking and fermentation is achieved.

The invention discloses an ontology-driven probe type multi-source mass spectrum metadata checking method and system, and relates to the field of mass spectrometers.The method comprises the steps that a pre-constructed mass spectrum domain ontology is loaded, logic metadata fields in the mass spectrum domain ontology are compiled into probe intermediate representation, and the probe intermediate representation is obtained; combining the related probe intermediate representations into a probe family according to instrument models and experimental method types; accessing original mass spectrum data and metadata thereof from a plurality of heterogeneous data sources, executing intermediate representation of each probe in the probe family, and analyzing a plurality of candidate values; and constructing a consistency graph for the plurality of candidate values, carrying out truth value estimation based on the consistency graph to obtain a fusion value and a confidence coefficient, and checking the fusion value according to a semantic constraint rule and unit dimension information derived from the mass spectrum domain ontology. And continuous optimization of probe weight and data source credibility is realized through human-computer interaction and parameter updating, so that a set of mass spectrum metadata intelligent checking solution which can be evolved by itself, can be audited and has high interpretability is formed.

The invention discloses a query response and code generation method and system based on power field document analysis, and the method comprises the steps: carrying out the analysis and preprocessing of an input field document, and constructing a document text logic diagram; constructing a domain knowledge graph; receiving user query, and executing structure matching retrieval based on a document text logic diagram and association reasoning retrieval based on a domain knowledge graph to form a traceable evidence packet; constructing a structure enhancement context based on the evidence packet, inputting the structure enhancement context into a domain language large model, and generating a response containing a natural language description and a structured domain language code; and performing instant compilation and tensor simulation verification on the structured domain language code, triggering retrieval and generated closed-loop correction based on deviation information when the verification is not passed, and outputting an analysis result and the code when the verification is passed. According to the method, the accuracy, interpretability and output reliability of long document processing in the electric power field are improved.

The invention relates to the technical field of adsorption detection, and discloses an imidazolium resin adsorption kinetic parameter online identification method and system.The method comprises the steps that 1, flow, inlet and outlet water concentration, conductivity, temperature and pH value are synchronously collected, and apparent ion strength is obtained through the conductivity; step 2, performing mass balance based on the flow, the inlet and outlet water concentration and the resin dry basis mass to obtain a real-time track of the average adsorption capacity of the resin; step 3, constructing counter-ion coupling isothermal driving force and screening a quasi-balance section; 4, solving isothermal coupling parameters by combining a quasi-balance relational expression; 5, calculating an overall mass transfer coefficient point by point; step 6, simultaneously solving an outer membrane mass transfer proportionality coefficient and an in-hole mass transfer coefficient under two levels of flow; and step 7, constructing a core parameter group and outputting a consistency judgment result identifier. According to the method, online identification and consistency judgment of the adsorption thermodynamic parameters and the mass transfer kinetic parameters of the imidazolium resin are realized.

The invention discloses a traditional Chinese medicine residue sorting and quality grading method based on machine vision recognition. The method comprises the steps that an image sequence is collected, and exposure, white balance gain and light source driving quantity are recorded; a standardized image sequence is obtained through preprocessing, and a working condition drift tensor is constructed through batch difference; segmenting the target area, constructing an equivalent refraction-scattering weight map based on a particle size distribution parameter, a fiber orientation anisotropy parameter and a water-containing scattering indication parameter, and generating a physical token sequence; adopting improved VMama asymmetric scanning to obtain an anisotropic state characterization sequence; a prediction entropy is calculated, a physical consistency loss is constructed through a working condition drift tensor alignment residual error, and a self-adaptive normalized parameter set is obtained through TENT online updating; and reasoning to obtain a target sorting category and a target quality grade, and generating a shunting control instruction and grading record data for sorting and grading of a conveying line. According to the method, unmarked cross-working-condition sorting and consistent grading are achieved.

This utility model relates to the field of lighting display technology, and more particularly to a stage lighting system. The stage lighting system includes: a stage light and a driving structure; the stage light includes a light source, a reflector, a color temperature mixing component, and an imaging component; the driving structure is mechanically connected to the color temperature mixing component; the reflector, color temperature mixing component, and imaging component are arranged sequentially along the light path transmission direction of the light source; the color temperature mixing component includes a first filter, a second filter, a third filter, and a color temperature adjustment filter, which are arranged in a staggered manner along the light path transmission direction; two filter halves of each filter are arranged opposite each other on both sides of the light path transmission direction; two color temperature adjustment halves of the color temperature adjustment filter are also arranged opposite each other on both sides of the light path transmission direction. This utility model's technical solution can achieve a color rendering index (CRI) of over 70 for stage lights under low color temperature and low brightness conditions.

The utility model provides a micro motor with double driving shafts. The micro motor comprises a motor, a transmission structure and double-head driving shafts which are integrally arranged, the transmission structure is located between the motor and the double-end driving shaft, and the output end of the motor is connected with the head end of the transmission structure through a connecting piece; the double-end driving shaft is connected with the tail end of the transmission structure through a connecting assembly. And the consistency of torque, speed, precision, control and the like of the double-head driving shaft of the motor is realized.

The invention discloses a multi-mode intelligent vacuum fresh-keeping machine and method based on food material recognition. The fresh-keeping machine comprises a vacuum cavity assembly, a depth vision collection assembly, a pneumatic execution assembly and a main control processing assembly. The pneumatic execution assembly comprises a frequency conversion pneumatic pump module, an airflow direction switching valve module and an array type differential suction nozzle module. The array type differential suction nozzle module is provided with a plurality of independent air suction units connected with the independent electromagnetic valve module in series. The main control processing assembly is configured to monitor the local deformation rate of the surface of the vacuum packaging bag through the depth vision collection assembly, generate a differential control signal based on the deformation rate distribution difference and independently adjust the on-off state of each independent electromagnetic valve module so as to construct a gradient negative pressure field. The main control processing assembly is further configured to identify object attributes by detecting the virtual pneumatic impedance and monitor the liquid diffusion risk in combination with an optical flow method. According to the invention, active self-adaptive vacuum preservation based on visual-airflow field coupling is realized, and the packaging quality of complex food materials is effectively improved.

The invention relates to the technical field of power electronics, in particular to a diesel generator test system control method based on a moving average filter, and the method comprises the steps: collecting an output voltage instantaneous value of a diesel generator in real time, and obtaining a voltage sampling sequence; inputting the voltage sampling sequence into a pre-constructed moving average filter; performing moving average processing on the input voltage sampling sequence through a moving average filter to obtain an output signal; generating a current command signal based on an output signal of the moving average filter; and according to the current instruction signal, driving the diesel generator test system to simulate a load with a specific power factor through current closed-loop control, and carrying out load simulation test on the diesel generator. The moving average filter is directly used for generating a current instruction of the test system, and the lag angle of the current instruction is linearly adjusted by adjusting the point number of the filter through the linear phase-frequency characteristic of the filter, so that the accurate and convenient control of the simulation load power factor of the diesel generator test system is realized.

The application provides a new energy mine truck thrust rod fatigue life prediction method, belonging to the field of federated learning and application technology. First, a multi-mine area multi-source fatigue feature dataset is constructed. Then, a double-layer neural network structure based on Bayesian modeling is designed, including a sparse prior generation module, a thrust rod time series feature encoding module and a thrust rod residual life Bayesian prediction module, to realize model parameter sparsification, time series feature expression and uncertainty quantification. Further, a graph structure based federated training and information aggregation mechanism is adopted, combined with global aggregation and local graph modeling strategy, to realize knowledge sharing and personalized adaptation between different mine areas. Finally, an online fine-tuning mechanism based on uncertainty driving is proposed, realizing rapid adaptive optimization of the global model in the new mine area environment through Bayesian inference. The method can significantly improve the accuracy, robustness and cross-domain generalization ability of thrust rod life prediction while ensuring data privacy.

The application discloses a kind of super-light inorganic high-efficiency thermal insulation materials and preparation method thereof.The super-light inorganic high-efficiency thermal insulation material of the application is mainly prepared by the following components by pressure foaming-decompression foaming process according to weight parts: light-burned magnesium oxide 28-37 parts, magnesium sulfate heptahydrate 18-26 parts, compound foaming agent 0.8-1.5 parts, compound foam stabilizer 0.08-0.12 parts, water reducing agent 0.1-0.3 parts, and water 45-58 parts.The application prepares inorganic high-efficiency thermal insulation material by pressure foaming-decompression foaming process.Under pressure conditions, a large number of stable and uniform bubbles are introduced into the inorganic thermal insulation material, then a large number of uniform and stable pressurized bubbles are mixed uniformly with cement slurry to obtain foamed slurry.In the process of pressure relief, the bubbles inside the pressurized foamed slurry expand uniformly, achieving super-light design.The bulk density of the prepared super-light inorganic high-efficiency thermal insulation material can reach 41-60 kg / m 3 , the strength is greater than or equal to 10 kPa, and the thermal conductivity can reach 0.029-0.035 W / (m·k).

The invention discloses a road marking identifying and spraying method and system based on image processing, and the method comprises the steps: collecting a lane line image through a camera, and converting the lane line image into an aerial view; establishing rigid calibration of the pose relation between the nozzle and the camera to realize coordinate registration; converting the aerial view from an RGB space to an HSV space, introducing a self-adaptive threshold adjustment mechanism on this basis, and obtaining a lane marking area image from the lane line image according to self-adaptive segmentation; a lane image is converted from a pixel coordinate space to a parameter space, and automatic detection of lane edge lines and marked lines is realized through Hough transform; in combination with the detected lane marking area, the detection area is classified through a gray threshold value or a brightness feature, and the offset of a marking center line is calculated; the transverse position of the spraying mechanism is adjusted in real time according to the offset of the center line of the marked line, dynamic opening and closing control over the spraying head is achieved in combination with the vehicle running speed and the recognition signal state, and it can be guaranteed that the spraying track and the recognition center line are kept consistent.

The invention discloses automatic forming and baking equipment for mooncake processing, and relates to the technical field of mooncake processing, the automatic forming and baking equipment for mooncake processing comprises a machine shell, baking devices arranged on two sides of the machine shell, smoke exhaust devices arranged on two sides of the top of the machine shell, a control box arranged on the outer wall of the machine shell, and a plurality of device plates, the device plates are arranged and fixed to the belt face of the conveying belt, two first adsorption blocks are fixed to the side wall of each device plate, a device groove is formed in each device plate, and a rotating sleeve is rotationally installed in each device groove. The two soaking assemblies are arranged on the side wall of the rotating sleeve; and the linkage assembly is arranged on the side wall of the device plate, and the linkage assembly is connected with the rotating sleeve. The automatic mooncake baking and coloring device is high in automation degree, uniform baking and accurate coloring can be achieved, mooncakes are consistent in maturity, attractive in skin color and luster and uniform in texture, the rejection rate is reduced, and the product value is improved.

This invention discloses a multi-level adaptive machining auxiliary clamping device, belonging to the field of robotic automated drilling and riveting. The base module of this invention is used to stably connect the pressure foot to the robot's end effector and provides mounting positions for the conformal module, locking module, and alignment module. The conformal module uses a cylindrical pin array to automatically adapt to the surface shape of workpieces with different curvatures and conforms accordingly. The locking module is used to lock the conformed cylindrical pin array, ensuring the stability of the conformation. The alignment module is used to align the perpendicularity of the tool axis to the workpiece surface before drilling. This invention has a simple structure, low cost, and convenient installation. By applying clamping force to the workpiece surface, it can reduce the influence of drilling axial force on the workpiece, reduce chatter during machining, and improve machining stability. Simultaneously, this device can achieve automatic conformal clamping of workpieces with different curvatures, ensuring stable clamping while reducing workpiece deformation and further improving drilling accuracy.

The invention relates to a parameter rollback method and device of a cloud native database and electronic equipment. The method comprises the following steps: packaging a parameter adjustment task into a user-defined resource object, and determining old parameter values, target parameter values, database components to which all parameters to be adjusted in the user-defined resource object belong and parameter effective layer identifiers; for each to-be-adjusted parameter, generating a parameter rollback snapshot, and writing the parameter rollback snapshot into a state field of the user-defined resource object; for each to-be-adjusted parameter, issuing a target parameter value to at least one of a configuration resource layer, a container configuration file layer and a database memory layer corresponding to the to-be-adjusted parameter layer by layer; and when it is detected that the adjustment of the target to-be-adjusted parameter fails, according to the parameter effective layer identifier recorded in the parameter rollback snapshot of the target to-be-adjusted parameter, executing a hierarchical rollback operation to recover the target to-be-adjusted parameter to a corresponding old parameter value. The technical problem that parameter rollback coarseness is difficult to be accurate and consistent is solved.

The invention discloses a focus-adjustable lens based on a flexible OTFT (Organic Thin Film Transistor) active matrix backboard and a driving method of the focus-adjustable lens, which are applied to the field of active matrix backboard control, programmable voltage field distribution and accurate modulation of a local refractive index are realized through point-by-point addressing of pixel electrodes, so that rapid zooming and aberration correction functions are achieved, a system adopts a low-temperature process, and the cost is low. A plastic film base material is compatible, roll-to-roll expansion manufacturing is supported, and meanwhile, the wavefront control precision and the response speed are improved by combining a submicron orientation / spacing structure. The implementation method comprises the following steps: designing an OTFT pixel array and an addressing circuit, preparing an active matrix backboard on a flexible substrate at low temperature, forming a pixel electrode, an orientation layer and a spacing structure, then pouring liquid crystal and completing packaging, writing in the OTFT array pixel by pixel through an addressing time sequence, and introducing wavefront or state feedback to carry out closed-loop iterative compensation. Therefore, programmable and high-precision zooming and local aberration real-time correction can be realized on the flexible platform.

This invention discloses a method for fusing congestion events from different batches based on single-batch fused congestion data. The method includes: extracting a historical congestion data table corresponding to the selected city code from a historical database; if the historical congestion data table is empty, storing the current batch of congestion data in the historical database, and setting the initial ID of the fused congestion event and the ID of the previous batch of congestion events as the event IDs corresponding to the current batch of congestion data; if the historical congestion data table is not empty, matching the original congestion event IDs in the current batch of congestion data with the associated event IDs in the historical congestion data table, assigning values ​​to the initial ID of the fused congestion event and the ID of the previous batch of congestion events based on the matching results, and storing them in the historical database. This invention optimizes the data tracking problem caused by changes in event IDs, ensuring that the same event can be correctly matched in different batches of data, and enhancing the consistency of traffic analysis.

The application relates to a distributed transaction consistency guarantee method based on an Outbox mode, which comprises the following steps: simultaneously writing business data into a business data table and writing a to-be-sent message into an Outbox message table in a local transaction of a business database through a business application and submitting the transaction; performing polling on the Outbox message table at a preset polling period through a message relay service, acquiring the to-be-sent message meeting the condition after adding an exclusive lock and skipping the locked record, sending the to-be-sent message to a message queue and updating the state when the sending succeeds; performing idempotent downstream processing based on a message identifier through a consumption end after querying a consumption record table; in response to sending failure, increasing a retry number and performing next-time retry scheduling, and when the retry number reaches an upper limit, migrating the to-be-sent message to a dead letter table. The application has the advantages of guaranteeing atomicity of business data and message persistence, supporting multi-instance concurrent safety, guaranteeing idempotency of a consumption end and controllable retry scheduling.