324results about How to "Improve application efficiency" patented technology

The invention relates to an emotion recognition method based on a millimeter-wave radar and a robot. The method comprises the following steps: receiving a transmitting signal of the millimeter-wave radar and a corresponding echo signal, converting the transmitting signal and the corresponding echo signal into a point cloud format, and removing static reflection to obtain dynamic point cloud data and a timestamp of a surrounding environment; grouping the dynamic point cloud data into clusters; obtaining a centroid estimation value of the target, and tracking the centroid estimation value; sending the millimeter wave signal which horizontally moves at a constant speed to a target person, and receiving echo signals which are reflected by the target person and are uniformly spaced; point spread function optimization is carried out, and SAR image reconstruction is carried out by using a fast frequency domain near-field imaging method; calculating to obtain phase change of the human body signal, and separating to obtain respiration and heartbeat signals of the target person; and extracting emotion related features to obtain the current emotion of the target person. Compared with the prior art, the specific position of the human body can be accurately recognized, and non-contact privacy protection emotion recognition can be remotely achieved.

The invention relates to the field of high polymer material modification, in particular to a high-heat-resistance and high-light-transmittance enhanced PBT / PC laser welding material and a preparation method thereof. The PBT / PC composite material which is high in heat resistance, high in light transmittance and stable in performance is prepared by adding a small amount of anti-ultraviolet auxiliaries into a traditional PBT / PC composite material preparation formula and adjusting the content of PC resin to be 20%-30% of the total amount of pure PBT / PC resin, and the technical problem that a reinforced PBT / PC laser welding material cannot give consideration to high heat resistance and high light transmittance performance is effectively solved. In addition, the preparation method of the high-heat-resistance and high-light-transmittance enhanced PBT / PC laser welding material provided by the invention is simple in process and high in automation degree, and the technical effect of large-scale preparation of the PBT / PC material with high heat resistance and high light transmittance is achieved.

The invention relates to the technical field of building information management, in particular to a water conservancy project BIM model optimization processing system based on lightweight and component integration, a graph structure construction module maps the geometric morphology and spatial relationship of components into nodes and edges based on component data of a BIM model, integrates parameter information of pipelines and supporting structure sub-projects in a water conservancy project, and provides a construction model for the water conservancy project. And establishing a topological relation among the nodes, and generating a graph structure model. According to the method, the component data in the water conservancy project BIM model is mapped into the graph structure, and the topological relation between the nodes and the edges is formed through fine analysis of the geometric morphology and the spatial relation. The data structure conversion enables the stress distribution analysis of the water flow path and the support structure to be more visual and efficient, and further optimizes the design and performance of the whole system. By screening key component groups and optimizing the groups, redundant connection is eliminated, and structural units with similar functions are integrated, so that the accuracy and the application efficiency of the model are improved.

The invention discloses a tumor whole course intelligent management platform and method, and particularly relates to the technical field of medical model management. Carrying out semantic analysis and uniform format processing on the multi-modal data from different sources by utilizing a natural language processing technology and a standardized tool; using a feature selection algorithm to screen key features related to tumor types and treatment schemes; through analyzing mutual information of the key features and the target variables and mutual information among the key features, evaluating the degree of redundant hidden dangers existing in the screened key features; the semantic consistency of the multi-modal data from different sources is evaluated by comparing and analyzing the prediction label and the actual label of the multi-modal data; and comprehensively analyzing the redundant hidden danger degree of the screened key features and the semantic consistency of the multi-modal data from different sources, and judging whether the personalized treatment effect prediction model can be constructed or not.

The invention provides a coating preservation material as well as a preparation method and application thereof, and belongs to the technical field of chemical modification of biomass organic polymer materials. The structural formula of the chitosan / polyphenol / quaternary phosphonium salt derivative disclosed by the invention is as shown in # imgabs0 #. The preparation method comprises the following steps: modifying chitosan by using natural phenolic acid and quaternary phosphonium salt to prepare an amphiphilic chitosan derivative; then preparing a plant essential oil microcapsule by taking the amphiphilic chitosan derivative as a wall material and plant essential oil as a core material; and finally, compounding the plant essential oil microcapsules with a film-forming material to construct a film-coating fresh-keeping material, and applying the film-coating fresh-keeping material to fresh keeping of fruits and vegetables.

The invention relates to the technical field of bioinformatics, in particular to a gene pool data retrieval method and system and a storage medium. The method comprises the following steps: acquiring multi-source genome data, performing quality control on the multi-source genome data based on an FAIR principle, and performing efficient storage and indexing by utilizing a distributed storage system so as to obtain a distributed genome database; performing cross-species homology analysis on the distributed genome database, and constructing a multi-level evolutionary tree model, so as to obtain evolutionary relationship map data; mapping gene structures and functions among different species according to the evolutionary relationship map data so as to obtain cross-species gene mapping data; receiving retrieval query data input by a user; and performing query type identification on the retrieval query data to obtain optimized query data. Through the multilevel evolutionary tree model and cross-species gene mapping, gene function comparison and prediction among different species are realized.

The invention relates to the technical field of carbon emission evaluation, in particular to a BIM-based carbon emission dynamic evaluation and prediction system, which comprises a data extraction and matching module, a carbon emission calculation module, a full life cycle analysis module and a result visualization module. According to the method, data of the building materials are automatically extracted and are in butt joint with the carbon emission database, so that the capacity of accurately matching the attributes and the number of the materials is achieved, calculation of the carbon emission is more detailed, the method further has the personalized analysis capacity, each material and each construction activity are independently calculated, more detailed data support is provided, and the calculation efficiency is improved. Carbon emission of the whole life cycle is monitored and predicted in real time, the practicability of data is enhanced, environmental changes can be responded more quickly, effective carbon emission reduction measures are implemented, a data visualization technology is applied, carbon emission information becomes more intuitive and understandable, information propagation and application efficiency is enhanced, and the cognition and participation degree of the public and professionals to environmental protection problems is improved.

The invention relates to the technical field of rubber paste coating, and discloses rubber paste transfer method coating equipment and method.The rubber paste transfer method coating equipment comprises a first fixing plate, the inner surface of the first fixing plate is rotationally connected with a discharging roller, the right end of the discharging roller is rotationally connected with a second fixing plate, and the left side face of the second fixing plate is fixedly connected with a supporting roller; according to the device, the storage frame is stably suspended through an arc-shaped tooth block, so that the inclination angle of the storage frame is rapidly changed, rubber paste on the rear side of the interior of the storage frame flows forwards, smearing interruption is prevented, workers do not need to manually push the rubber paste forwards with tools, the use convenience of the device is improved, and the working efficiency is improved. The stirring plate stirs the rubber paste in the storage frame, the situation that the rubber paste is solidified in the heat dissipation process, and consequently the rubber paste is difficult to smear on the coating is prevented, the smearing efficiency is improved, the stirring range and the stirring effect are improved through left-right reciprocating movement of the stirring plate, and solidification of the rubber paste is further prevented.

The invention relates to the field of image data processing, in particular to a three-dimensional image safety processing system and method based on a diffusion model. The system comprises an image format conversion module, an image feature training module, an image three-dimensional structure analysis module, an image light effect simulation module, an image rendering module and an artificial intelligence security and image anti-counterfeiting module. Through the convolutional neural network, deep semantic analysis of image content can be realized by processing a large amount of three-dimensional image data, so that the model not only identifies key structure elements in an image, but also can predict positions and interrelationships of the elements in a three-dimensional space, thereby remarkably improving identification accuracy and application efficiency of the model, and improving the application range of the model. A light tracing technology and a neural renderer of a neural network are combined, and the sense of reality of the rendering process is enhanced by simulating the physical propagation process of light. And meanwhile, the accuracy, authenticity and safety of image processing are effectively integrated, and the reliability and the expression effect in image generation and use are comprehensively improved.

The invention provides an intelligent financial management system and method based on a multi-modal large model, and the method comprises the following steps: obtaining a paper original voucher picture through photographing or scanning; extracting specified information in the picture through a multi-modal large model, wherein the specified information comprises a voucher type, an amount and a cause; inputting the specified information into a trained multi-mode large model, judging a financial accounting subject to which the voucher belongs based on a cue word, and generating an accounting voucher; the generated accounting voucher is submitted to financial staff for auditing, and the accounting voucher is confirmed or modified; and storing the confirmed or modified accounting voucher into a financial management background to generate a financial statement. According to the invention, the working efficiency and accuracy of financial accounting bookkeeping are greatly improved, and the level of financial management is improved.

The invention relates to a wind shear wind speed extrapolation calculation method based on a neutral equivalent wind speed. The method comprises the following steps: (1) determining input wind speed measurement data; (2) classifying the atmospheric stability, and converting the wind speed at each moment into an equivalent wind speed in a neutral state; (3) performing extrapolation wind speed calculation according to the neutral equivalent wind speed; and (4) outputting an extrapolated wind speed result, and calculating wind shear. According to the method, the wind speed extrapolation error is effectively reduced, the wind speed extrapolation calculation is more accurate, and particularly, the method has outstanding performance in complex terrains or marine environments.

The invention relates to the technical field of bioinformatics, in particular to a mining method and system for synthetic biology functional elements and a storage medium. The method comprises the following steps: acquiring functional demand data of a target metabolic pathway; performing evolutionary distance analysis and function prediction on homologous genes of a plurality of species according to the function demand data, and performing protein structural domain conservative classification on preset genome sequence data to obtain candidate element cluster data with function relevance; obtaining expression system data of the host cells; and according to the candidate element cluster data and the expression system data, scoring each functional element based on codon optimization degree, protein folding stability and metabolic load prediction to obtain hierarchical element suitability data. According to the method, factors such as sequence characteristics, expression efficiency and regulation and control network interaction are considered at the same time, multi-level accurate screening is achieved, and therefore the low efficiency and limitation of a traditional screening mode are overcome.

A continuous induction quenching device for two ends of an automobile push rod is used for manufacturing the automobile push rod. Two conveying lead screws are installed in the middle of the quenching machine tool, the head ends of the conveying lead screws are in butt joint with mistake-proof feeding devices above the conveying lead screws, inductors are arranged on the two sides of the middle sections of the conveying lead screws and connected with variable vibration devices and heating power sources, blanking grooves are formed in the tail ends of the conveying lead screws, and quenching liquid grooves are installed below the conveying lead screws. A spiral groove of the conveying lead screw is matched with the diameter of the rod portion of the push rod, and the ball head end and the ball socket end of a discharging port of the mistake-proof feeding device are matched with a ball head and a ball socket at the two ends of the push rod respectively. According to the invention, simultaneous quenching of the ball head and the ball socket at the two ends of the push rod can be realized, the problems of low efficiency and overlarge cost input caused by separate quenching of multiple devices in the prior art are solved, wrong quenching, re-quenching and missing quenching in the machining process are avoided, and high dependence on personnel skills and operation attention is avoided; quenching efficiency of the ball head and the ball socket at two ends of the push rod can be improved, product quality can be guaranteed, and manufacturing cost can be reduced.

The invention relates to the technical field of robot control, in particular to a robot rescue emergency control system based on voice interaction. The system is used for performing control voice signal acquisition and rescue emergency voice control task structured analysis by using a built-in voice receiving function of a robot, and generating rescue emergency voice control task structured data; acquiring panoramic image data, environment sensing data and long-distance laser radar data monitored by the robot; the method comprises the following steps: performing global image point cloud model construction and multi-level environment change collaborative optimization processing based on panoramic image data, environment perception data and long-distance laser radar data monitored by a robot, and generating an optimized global image perception model; and performing rescue emergency intelligent control operation on the robot based on the rescue emergency voice control task structured data and the optimized global image perception model. According to the invention, the voice instruction is received through the voice interaction function, so that automatic and efficient robot rescue emergency control is realized.

The invention discloses a Cu2WS4-CuBi2O4 composite material with a photothermal effect and a preparation method and application thereof.The Cu2WS4-CuBi2O4 composite material is supported by CuBi2O4 of a rod-shaped structure, flaky Cu2WS4 is loaded on the surface of the rod-shaped CuBi2O4 through the interface regulation and control effect of a surfactant by adopting a hydrothermal method, and a Z-type heterojunction with the photothermal effect is formed; in an antibiotic degradation system, the Cu2WS4-CuBi2O4 composite material shows good photocatalytic performance and degradation effect under the synergistic effect of a photothermal effect and a PDS advanced oxidation process. The device is simple to prepare, stable in structure, high in repeatability and free of secondary pollution, and can meet laboratory and industrial requirements.

The invention provides an indoor unmanned aerial vehicle flight control navigation performance evaluation method based on a self-positioning GNSS. The method comprises the following steps that 1, an external unmanned aerial vehicle real-time state sensing device is installed; 2, indoor and external positioning devices are installed; step 3, starting a GNSS / RTK signal generator based on the autonomous positioning system; 4, testing the flight of the unmanned aerial vehicle; and 5, processing flight data of the unmanned aerial vehicle, and evaluating the performance. According to the invention, the unmanned aerial vehicle can still maintain efficient and safe flight performance in various operating environments and possible non-standard conditions. Through the comprehensive navigation performance evaluation, an operator and a manufacturer of the unmanned aerial vehicle can obtain detailed data about equipment performance, so that the design is optimized, and the reliability of a flight strategy is improved. The practical application efficiency of the unmanned aerial vehicle is improved, the application capability of the unmanned aerial vehicle in a complex environment is enhanced, and wide application of the unmanned aerial vehicle technology in the civil and commercial fields is promoted.

The invention discloses an insect prevention and expelling lime smearing device for forestry protection, and relates to the field of forestry equipment, the insect prevention and expelling lime smearing device comprises a vehicle body and a mounting frame, the mounting frame is fixedly mounted on the vehicle body, a fixing support is arranged on one side of the mounting frame, and the device further comprises a smearing mechanism arranged on the side, away from the vehicle body, of the fixing support; the smearing mechanism comprises a U-shaped frame, a cross shaft, a brush, a supporting frame and a driving assembly A, the cross shaft is composed of a shaft A and a shaft B, the axis of the shaft A is perpendicular to the axis of the shaft B, the two ends of the shaft A of the cross shaft are rotationally connected with the supporting frame, and the two ends of the shaft B of the cross shaft are rotationally connected with the U-shaped frame; according to the insect preventing and expelling lime smearing device for forestry protection, when the spraying mechanism sprays lime liquid to the surface of a tree trunk, the A driving assembly drives the U-shaped frame to rotate around the A axis or the B axis of the cross shaft, the brush rotates around the A axis or the B axis of the cross shaft, smearing can be conducted on the inner wall of a groove pit of a tree, and the sprayed lime liquid is evenly smeared on the inner wall of the groove pit.

The present invention proposes a method and system for automatically building a digital twin model of a drainage network based on UE5, which relates to the field of digital twin application technology of municipal drainage network. The method includes: obtaining drainage network census data and converting the drainage network census data format; the drainage network census data includes pipeline JSON data and pipe point JSON data; using the converted data to establish a drainage network model library and a drainage network material library in UE5; creating a pipeline blueprint class and a pipe point blueprint class in UE5; creating an editor tool blueprint in UE5, and using the editor tool blueprint script to automatically build pipeline and pipe point digital twin models. The present invention realizes the seamless connection between drainage network modeling and business applications, and has the advantage of high-fidelity visualization; it provides a method for realizing hot update of model data on the application platform through interface calls, which is conducive to the application and development of digital twin technology in the field of municipal drainage network.

The invention belongs to the technical field of cell biology, and particularly relates to a method for detecting cell stability, a cell sample is detected in three aspects of cell performance, cell mutation and cell stability, and when the cell proliferation effect is good, the cell does not migrate, and the cell activity is gt; the cell of which the cell concentration is 80%, the cell early-stage and late-stage apoptosis ratio is less than or equal to 10%, the cell autophagy ratio is less than 5%, no proto-oncogene is remarkably expressed, the cell aging ratio is less than or equal to 20% and the cell multiplication time is less than 48 hours is a stable cell; if one of the indexes does not reach the standard, it is determined that cell passage is unstable, and the cell culture process is stopped. The method provided by the invention can comprehensively judge the life cycle of the cell, so that the cell is applied to the optimal economic / efficient service life, the cell state can be effectively and accurately judged, and the method has good reliability.

The invention provides a dynamic resource allocation method and device for a self-organizing network and electronic equipment. The method comprises the following steps: any node obtains a first priority code according to a preset priority rule, and sends the first priority code to all neighbor nodes in a resource application time slot; each neighbor node performs conflict detection on all the received first priority codes, does not send any information in a conflict resolution time slot if the detection result is judged to be no conflict, and compares the priorities of all the first priority codes to obtain a second priority code if the detection result is judged to be conflict; the second priority code is returned to the corresponding neighbor node in the conflict resolution time slot; and any node monitors the conflict resolution time slot, and when a monitoring result is determined that any information is not received or the priority of the received second priority code is lower than that of the first priority code, the resource application is determined to be successful so as to complete resource allocation. And the user experience is improved.

The invention relates to an industrial low-smoke halogen-free fire-resistant low-voltage cable applied to the field of cables, which comprises a fire-resistant low-voltage cable body, the outer end of the fire-resistant low-voltage cable body is sleeved with an opening bending sheath in a sliding manner, and a bending clamping split body, the opening bending sheath, a bending regulation and control strip and a bending regulation and control system are adopted to be matched. The automatic bending regulation and control function of the self-adaptive fire-resistant low-voltage cable body parameters can be effectively achieved, the actual bending radius of the fire-resistant low-voltage cable body is effectively recognized and analyzed according to the fire-resistant low-voltage cable body parameters and the actual laying parameters, self-adaptive regulation is conducted on the actual bending radius, and the self-adaptive fire-resistant low-voltage cable body bending regulation and control function is achieved. Therefore, the fire-resistant low-voltage cable body is effectively prevented from being damaged in the bending construction process, the application performance of the fire-resistant low-voltage cable body is ensured, the laying difficulty of the fire-resistant low-voltage cable body can be reduced and the laying efficiency can be improved through the automatic bending regulation and control effect, and the application benefit of the fire-resistant low-voltage cable body is further promoted.

The invention discloses a farm biological safety management system, relates to the field of biological breeding, solves the problem of poor management effect of existing farm biological safety management, and comprises an environment data module which is used for obtaining region division data, temperature monitoring coefficients and humidity monitoring coefficients corresponding to each breeding sub-site, the biological data module is used for carrying out biological disease and insect pest monitoring on each breeding sub-site, acquiring a site disease and insect pest monitoring coefficient corresponding to each breeding sub-site, obtaining breeding farm biological monitoring data and sending the breeding farm biological monitoring data to the monitoring module; the breeding risk module is used for analyzing according to the breeding farm environment monitoring data and the breeding farm biological monitoring data to obtain a breeding risk assessment coefficient corresponding to each breeding sub-site, and performing breeding risk early warning on each breeding sub-site according to the breeding risk assessment coefficient; according to the invention, the comprehensiveness and accuracy of biological safety management of the farm can be effectively improved.

The invention discloses a grinding and polishing machine facilitating automatic clamping, and relates to the technical field of grinding and polishing machines, the grinding and polishing machine comprises a bottom plate, electric boxes are fixedly connected to the left side and the right side of the rear side of the top of the bottom plate correspondingly, and a main shaft hollow rotating platform is fixedly connected to the position, on one side of the inner sides of the two electric boxes, of the top of the bottom plate; a grinding and polishing head is arranged at the top of the main shaft hollow rotating platform, a touch screen is fixedly connected to the front side of the grinding and polishing head, and a clamping device body is fixedly connected to the bottom of the front side of the grinding and polishing head. According to the method for automatically replacing the grinding and polishing disc, a conical tooth motor and a series of transmission mechanisms are started to drive a supporting chassis to ascend, so that an old grinding and polishing disc is easily taken down, and when a new grinding and polishing disc is installed, the new grinding and polishing disc only needs to be placed on the top of the supporting disc, the motor is restarted, a transmission system operates reversely, and the grinding and polishing disc automatically descends and is fixed in place.

The utility model discloses a root irrigation device for plant disease and insect pest control, and belongs to the technical field of plant disease and insect pest control. The device mainly comprises a main body, a pesticide applying structure, a holding part, a battery and a pesticide storage tank, the holding part is installed at one end of the main body, and the battery is embedded between the holding part and the main body; the pesticide storage tank and the pesticide applying structure are installed in the main body, the pesticide applying structure is composed of a pesticide applying assembly, a transverse adjusting structure and a push-pull assembly, part of the pesticide applying mechanism is connected with the pesticide storage tank, and part of the pesticide applying mechanism protrudes out of the main body. The pesticide application device is provided with the adjustable pesticide application structure and the pesticide pre-loading structure, and pesticide application accuracy and pesticide application efficiency can be effectively improved. The device is mainly used for root pesticide application work of food diseases and insect pests.

The invention discloses an equipment task component integrated distributed simulation system, and relates to the field of equipment simulation test, the system comprises an equipment task setting subsystem and an equipment entity data model; during simulation, the equipment task setting subsystem drives the equipment entity data model to operate according to the received simulation task information so as to obtain a simulation result; in the equipment task setting subsystem, a task component operation branch determination module determines a simulation mode according to a task information source; the simulation task module constructs a simulation driving logic process according to the task information and the simulation mode; the equipment driving task module determines a corresponding equipment binding data packet based on the simulation driving logic process and the task information source; the equipment entity task module identifies and analyzes the equipment binding data packet to obtain equipment driving information; and driving the equipment entity data model to run based on the simulation driving logic process and the equipment driving information to obtain a simulation result. The model development and application efficiency is improved.

The utility model discloses an integrated intelligent precise manufacturing instrument for acupoint application. The integrated intelligent precise manufacturing instrument comprises a stirring head in the vertical direction, a tank body matched with the stirring head and a quantitative applying device which is connected to the output end of the bottom of the tank body and is in signal communication with the stirring head. The quantitative smearing device comprises a vertical pipeline, a transverse pipeline and a T-shaped pipeline which are communicated in sequence, a transverse push rod matched with the transverse pipeline, a vertical push rod matched with a horizontal pipeline of the T-shaped pipeline, a rotating disc, an automatic cutter and a frame body. According to the structure, fixed-range and metered pushing-out of traditional Chinese medicine is achieved, when the device is used in cooperation with an external dressing conveying mechanism, rapid, automatic and quantitative smearing of the traditional Chinese medicine on acupoint application can be achieved, dependence on the manual smearing process is avoided, and smearing efficiency and smearing quality are obviously improved.

The invention discloses a promoter for specific expression in retinal rod cells and application of the promoter, and belongs to the field of biological medicine. The nucleic acid of the promoter has a length of less than 1 kb, and comprises a sequence of SEQ ID NO.5 or a functional variant thereof having at least 80% identity with SEQ ID NO.5, or consists of a sequence of SEQ ID NO.5 or a functional variant thereof having at least 80% identity with SEQ ID NO.5. The promoter has good specificity, high safety and high transduction activity, and can significantly improve gene therapy and other effects.

The invention provides a rock mechanics large model construction and knowledge interaction method, and relates to the technical field of rock mechanics. The method comprises the following steps: firstly, collecting and carding data in the field of rock mechanics to obtain a data document, and storing the data document into a vector database after partitioning and vectorizing the data document; knowledge is extracted from the vectorized document fragments, a knowledge tetrad is generated, and a knowledge graph is constructed; then, based on the vector database and the knowledge graph, an external knowledge base is constructed, an existing general large language model is finely adjusted through a prompt project, and a large model in the field of rock mechanics is constructed; and finally, applying the constructed large model in the field of rock mechanics to a knowledge interaction system in the field of rock mechanics, and providing accurate answers and professional knowledge support by classifying and processing different types of questions and utilizing an external knowledge base. The method solves the problems that a general large model is poor in performance when answering professional knowledge of rock mechanics, and resource consumption is large when a rock mechanics large model is pre-trained from the beginning.

The invention provides a real-time water depth detection system and method for dredging engineering, and relates to the technical field of water depth detection.The method comprises the steps that real-time positioning data and underwater sound velocity data of a surveying ship and water depth data of an underwater topographic point in a ship body coordinate system are collected respectively; according to the real-time positioning data, the underwater sound velocity data and the water depth data, sounding point coordinate reduction, plane system conversion and vertical sharp conversion are carried out to obtain plane coordinates and water depth of each underwater topographic point in a satellite coordinate system, and the plane coordinates and the water depth are used as water depth detection results to be uploaded to a dredging system of a dredging ship; and performing time delay correction on the acquisition process of the water depth data according to the water depth detection result. The system has the beneficial effects that a multi-source sounding data automatic filtering technology is adopted, automatic filtering processing can be carried out on data, the accuracy and automation capability of data processing are improved, a water depth measurement result is immediately generated and directly transmitted into a dredging construction system of a surveying vessel, and the application efficiency is greatly improved.

The utility model discloses a garden plant disease and insect pest prevention and control pesticide applicator, and particularly relates to the technical field of garden plants, the garden plant disease and insect pest prevention and control pesticide applicator comprises a base, a pesticide storage box is arranged at one end of the top of the base, a pesticide pump is fixed at the other end of the top of the base, and one end of the pesticide pump is connected with the pesticide storage box through a pipeline; the other end of the medicine pump is connected with an infusion tube; a guide plate is fixed to one end of the connecting arm, and a fixing handle is arranged at the other end of the connecting arm. The fixing handle and the connecting arm are arranged to form the handle structure, the handle structure is provided with the annular pipeline, the liquid spraying heads, the guide strips, the guide grooves, the gear rings and the like, when pesticide is applied to a tree, the annular pipeline can be attached to one side of the outer wall of the tree, then the annular pipeline can drive the liquid spraying heads to rotate around the tree, and therefore the pesticide is sprayed to the tree. Therefore, pesticide can be sprayed around the tree in 360 degrees without dead angles, walking around the tree is not needed, movement is simple and convenient, time and labor are saved, and the pesticide application efficiency is greatly improved.