664 results about "Large screen" patented technology

The invention discloses a railway vehicle test data management and analysis system, and the system comprises a multi-modal data collection module which collects the heterogeneous data of tests such as airtightness and weighing in real time; the block chain credible evidence storage module is used for performing time-space stamp marking and hash encryption on the data and verifying the integrity; the space-time atlas analysis module is used for constructing a space-time heterogeneous atlas and generating vehicle-level feature vectors through graph convolutional network fusion data; the predictive maintenance decision module is used for predicting subsystem performance degradation and fault risks and generating a hierarchical maintenance strategy; and the adaptive visual platform integrates a large screen and a mobile terminal to display data and decisions. According to the system, efficient integration and credible evidence storage of multi-source data are realized, the data utilization efficiency and analysis depth are improved, accurate maintenance decision is supported, and safe operation of railway vehicles is guaranteed.

The invention discloses a digital large-screen interaction method and device based on multi-agent cooperation and a medium, and relates to the technical field of digital large-screen interaction.The method comprises the steps that postures, expressions and voice data of a user are collected in real time, the attention weight is calculated in combination with spatial position information, the emotional state change rate is monitored, and the user experience is improved in combination with personal historical browsing preferences; acquiring a main interaction user, an emotional state feature and an emotional change trend; according to the main interaction user, the emotional state features and the emotional change trend, obtaining an initial confidence coefficient of the suspected interested field through a semantic understanding model; and based on the candidate guide images, identifying a user selection intention through a multi-modal fusion processing mechanism, calculating a selection probability, triggering content activation of the main interaction area and content dynamic generation of the auxiliary information area, synchronizing state information, and starting an immersive collaborative interaction process. Through three-level collaborative service configuration, the beneficial effects of improving large screen content organization efficiency and enhancing immersive interaction experience are achieved.

The invention discloses a building engineering construction quality progress monitoring method and system based on artificial intelligence. A BIM model is constructed according to image data and project drawings of an engineering site; according to the BIM model, intelligent sensors are arranged on site, and online construction information is collected; online construction information is extracted, three-dimensional environment scene reconstruction is carried out according to the surrounding environment, and construction progress data is obtained; calculating an environment fluctuation value according to the construction progress monitoring condition and the online construction information, and setting a construction adjustment strategy; constructing a gray scale prediction model, and predicting a progress critical value result according to the construction progress data and the construction period after construction adjustment; and the construction progress data, the three-dimensional environment scene and the progress critical value prediction result are visualized to generate a BIM simulation large screen, so that the scheduling scientization of the construction process is realized.

The invention relates to the technical field of data display, can be applied to business system platforms of financial science and technology, medical health and the like, and discloses a link monitoring large screen display method, device, equipment and medium, the method comprises the following steps: obtaining a plurality of visual components, performing component configuration on the plurality of visual components, and obtaining an initial configuration component library; obtaining component attributes of the initial configuration component library, and performing incremental updating on the component attributes to obtain component change attributes; obtaining an incremental component according to the component change attribute, performing component updating on the initial configuration component library by using the incremental component to obtain a target visual component library, and constructing a link monitoring large screen according to the target visual component library; obtaining link topology data, and performing link topology rendering on the link topology data to obtain target link data; and performing visual display on the target link data on the link monitoring large screen to obtain a data display result. According to the invention, high configurability and modularization of the link monitoring large screen can be realized.

The invention relates to the field of combat command and dispatch, in particular to a multistage linkage combat unit command and dispatch system. According to the invention, a basic-level minimum emergency unit element information base is constructed through a data acquisition module; generating an electronic map supporting 2D and 3D switching; an intelligent analysis early warning module identifies abnormal conditions and generates early warning information; a plurality of multi-level linkage combat unit topology networks are generated through the multi-level linkage command architecture module; generating a command data large screen for dynamically aggregating public security indexes and a global situation visualization electronic map through a global situation visualization module; an early warning area is circled and selected through the intelligent scheduling module; and associating the corresponding multi-stage linkage combat unit to generate a deployment instruction. According to the multi-level linkage combat unit command and dispatch system provided by the invention, the multi-level linkage combat unit is effectively combined with a dynamic visual geographical environment from data acquisition, analysis and early warning to command and dispatch through cooperation of multiple modules, so that the command and dispatch efficiency is remarkably improved.

The invention provides a screen encryption method and device and an LED large screen system, and relates to the technical field of LED large screens, and the screen encryption method comprises the steps: controlling an upper computer to generate a first encryption instruction according to the authority determined by an administrator, transmitting the first encryption instruction to an encryption circuit for data conversion, and generating a corresponding dynamic random password; the dynamic random password is displayed on the LED display module; responding to a dynamic random password input by the user on the upper computer, and generating a corresponding second encryption instruction; determining an instruction similarity between the first encryption instruction and the second encryption instruction; and under the condition that the instruction similarity reaches a similarity threshold value, controlling the encryption circuit to conduct an enabling end of the LED display module so as to allow the LED display module to normally display contents. According to the application, the security of the LED large screen system can be improved, illegal control of the LED display module is prevented, and the legality of the display content is ensured.

The invention discloses a stereoscopic vision optimization method and system for a naked-eye 3D large screen, and particularly relates to the technical field of naked-eye 3D vision optimizing.The method comprises the steps that environment illumination and audience positions are sensed in real time through multi-sensor fusion, and an environment light field model is established; glare crosstalk noise is predicted based on physical simulation, and self-adaptive suppression and compensation are carried out in combination with human eye visual sensitivity and image content features; a virtual camera is dynamically generated according to the real-time positions of the eyes of the audience, and a lightweight neural radiation field renderer is used for real-time re-rendering, so that motion parallax is realized; and finally, intelligently fusing the glare compensation layer and the perspective correction layer, coding and outputting to a screen. The system correspondingly comprises an environment perception module, a glare compensation module, a perspective rendering module and a fusion coding module. The naked-eye 3D large-screen display method effectively inhibits ambient light interference, improves the quality and immersion of a stereoscopic picture under different visual angles, and is suitable for naked-eye 3D large-screen display under outdoor and complex illumination environments.

The invention provides a data analysis large screen generation method and device and a data analysis system.The method comprises the steps that an input data analysis requirement text is obtained, and the data analysis requirement text is a text describing a data analysis requirement; the data analysis demand text, the chart type and the data field are matched, a target chart type and a target data field are obtained, the target chart type is the chart type meeting the data analysis demand, and the target data field is the name of data needed by meeting the data analysis demand; matching a chart template according to the target chart type to obtain a target template; acquiring data corresponding to the target data field and filling the data into the target template to obtain a data chart; and generating a data analysis large screen according to the data chart. The problem of low efficiency of data analysis in the prior art is solved.

The invention discloses a BIM-based electromechanical installation resource management and control system, and the system comprises a data sensing layer which integrates a laser radar, an RFID, a UWB and an environment sensor, collects multi-modal data, and forms a total-factor digital twin base data stream after the multi-modal data is preprocessed by a mobile edge computing node; the model fusion layer is used for binding the construction progress with BIM component attributes, dynamically deducing a component-level progress path through an AI algorithm, identifying key path conflicts, integrating ERP resource data to generate a thermodynamic diagram and a cost deviation curve, and automatically detecting pipeline collision, progress lag and cost hyper-branched risks through a rule engine machine learning dual-mode engine; triggering multi-stage early warning and dynamically adjusting a threshold value; the intelligent decision-making layer is used for predicting the progress deviation probability of the future seven days by adopting LSTM, generating a non-tampering deviation correction scheme in combination with a block chain, and realizing hierarchical response through a yellow-orange-red three-level alarm system; and the user interaction layer is used for realizing multi-terminal collaboration and executing verification data feedback through AR glasses, a mobile terminal and a large-screen monitoring center.

The invention provides a body function evaluation method and device based on multi-modal sensing fusion. Real-time detection and analysis of human motion and postures are achieved through a multi-modal sensing technology. According to the method, the test process is standardized, operation is automatic, scoring is objective, the accuracy and repeatability of the test are improved, and manual intervention is reduced. Through visualization and voice guidance, action demonstration and prompts are provided on a large screen, it is ensured that a testee completes a test autonomously, and the operation burden of workers is reduced. Meanwhile, the system automatically calculates scores and generates reports according to a standard SPPB scoring rule, provides result interpretation and rehabilitation suggestions, and remarkably improves the evaluation efficiency and practicability. In addition, a personalized video exercise prescription is generated according to the test score, so that the testee can track the training progress conveniently. The closed loop of detection and intervention services is ensured, and the rehabilitation effect is improved.

The invention belongs to the technical field of data filtering query, and particularly relates to a dynamic SQL-based parameter data transmission filtering query mode for a low-code visual component, which comprises the following steps of: S1, constructing a low-code visual large-screen component and a background service API (Application Program Interface); s2, interactively filtering the linkage demand by the visualized large-screen component, and realizing dynamic parameter transmission of the SQL parameter transmission query request; s3, providing a visual operation interface by using the visual large screen component; s4, calling the data source identifier stored in the step S2 by the SQL parameter analysis constructor generation component; and S5, performing parameter extraction on the structured filtering condition data by the SQL parameter analysis constructor. According to the overall structure provided by the embodiment of the invention, the SQL parameters are transmitted during data query, and then the back-end service constructs the filtering and screening conditions meeting the conditions based on the dynamic SQL parameter transmission mode to query the SQL and query the database to obtain the data, so that accurate filtering and screening query of the data can be realized; the problem that a traditional large screen cannot perform database level filtering and screening is solved.

The invention discloses a park large-screen centralized management and control method and system of an intelligent large-screen management platform, and relates to the technical field of intelligent large-screen management, and the method comprises the steps: building the network connection between a platform and a large screen through the configuration of communication parameters and the input of large-screen equipment identification information, and completing the equipment access authentication through the network connection relation; collecting parameter information and an equipment operation state of the accessed equipment; based on the parameter information of the accessed device, setting a content distribution strategy of a display area, and executing format adaptation and split screen template configuration on the multi-format content; and receiving a voice instruction, completing user identity recognition, and executing alarm grading and display content adjustment according to the collected equipment operation state. According to the method, an access mechanism based on automatic matching of communication parameter configuration and equipment identification information is constructed, so that the access efficiency of heterogeneous large-screen equipment and the automation level of system deployment are effectively improved.

The invention discloses an image display method for a naked-eye 3D large screen, and particularly relates to the technical field of intelligent display, which comprises the following steps of: firstly, acquiring and tracking the positions of eyes of multiple audiences in front of the screen in real time through a depth camera network, and distributing a unique ID (Identity) for each audience to realize continuous tracking; thirdly, dividing the audiences into a plurality of visual areas based on a dynamic clustering algorithm, and calculating the rendering priority of each visual area according to the number of the audiences in each visual area and the importance of the content of the concerned screen; then, left and right eye views with correct parallax are rendered in parallel for each activated visual area, and digital pre-compensation is performed by using a pre-stored optical model so as to suppress crosstalk and uneven brightness; and finally, according to the distance and angle of the visual area of the audience, querying the human factor engineering database to obtain a comfortable parallax threshold, and dynamically compressing the extreme depth of field exceeding the threshold in the scene. According to the invention, multi-audience self-adaptive high-quality 3D display is realized, and the watching experience, the resource utilization efficiency and the visual comfort are effectively improved.

The invention provides a construction site safety pre-warning system based on AI model identification. The construction site safety pre-warning system comprises a multi-source sensing layer, an edge calculation layer, a pre-warning decision module, a data middle platform and a report center, the invention discloses a construction site safety early warning method based on AI model identification. The method comprises the following steps that S1, a multi-source sensing layer collects field state data in real time; s2, the edge calculation layer receives and processes the field state data, and sends the field state data to an early warning system core and a command large screen for real-time feedback; s3, the face recognition unit dynamically monitors personnel access, updates on-site personnel information, and counts individual working hours according to the on-site personnel information for management personnel to check; s4, an early warning decision module performs intelligent analysis by using a configured early warning model according to the field state data; and S5, if the early warning rule is triggered, the system immediately displays early warning details on the commanding and dispatching large screen and gives out an alarm sound. According to the invention, full-process digital management of second-level intelligent sensing and risk early warning and disposal of potential safety hazards on a construction site is realized.

This application relates to the technical field of fully automated water surface robots, and provides a performance unmanned boat, including a hull; a mounting frame fixed to the hull; a screen fixed to the mounting frame and located on the top side of the hull, the screen having a ventilation structure; and a float fixed to the hull and located on the side of the hull. The performance unmanned boat provided by this application uses a screen with a ventilation structure and a float in conjunction with the hull. The ventilation structure reduces the screen's resistance to natural wind flow, reducing the external force exerted on the screen by natural wind. Simultaneously, the float increases the hull's support points on the water surface, enhancing the hull's resistance to wind and waves. This effectively solves the technical problem of unmanned boats carrying large screens easily capsizing when navigating on water, improving the stability of the performance unmanned boat on water, ensuring the smooth completion of performance tasks, and enabling the performance unmanned boat to meet the requirements of cultural and publicity purposes.

The invention relates to the field of LED display, and discloses an optical seamless splicing LED large screen system based on AI self-calibration, a terminal and a control method, and the system comprises an LED display module array which is composed of a plurality of spliced LED display modules; the optical seamless fitting assembly is arranged at a splicing gap between the LED display modules; the AI self-calibration unit is arranged in each LED display module; the hot plug adapter module is electrically connected with the LED display module; the main control module is in communication connection with the LED display module array; and the power module supplies power to the system. According to the system architecture, the technical problems that an optical fault is caused by a physical splicing seam existing in an existing spliced LED large screen, calibration depends on external equipment and is low in efficiency, and seamless switching cannot be achieved due to the fact that manual calibration is needed after modules are replaced are solved at the same time.

The invention relates to a road and bridge engineering quality supervision method and system based on mobile internet multi-terminal cooperation. The method comprises the following steps: generating a space-time composite label by fusing engineering data collected by a mobile terminal, a Beidou time service signal, multi-source positioning information and BIM component characteristics; dynamic drift compensation is carried out on the digital twin model by utilizing the attenuation characteristic of the material, and position deviation caused by long-period construction is eliminated; intelligent arbitration of multi-terminal operation conflicts is realized based on space-time overlap analysis; generating a lightweight incremental data packet according to the change priority; and finally, synchronously generating a visual supervision interface fusing the BIM model, the quality anomaly annotation and the drift thermodynamic diagram at a mobile terminal, a PC terminal and a large screen terminal through a multi-resolution rendering engine. According to the invention, three core problems in the prior art that the positions of the model and the entity are mismatched, multi-terminal collaborative conflicts frequently occur and the visualization efficiency of heterogeneous equipment is low are solved, and the accuracy, the collaboration and the decision-making efficiency of road and bridge engineering quality supervision are remarkably improved.

The invention provides a modularized large screen automatic layout optimization method and system based on a constraint genetic algorithm. The method comprises the following steps: constructing decision variables and constraint conditions of modularized large screen layout optimization; encoding components in the large modularized screen to obtain different layout schemes corresponding to different chromosomes, and forming an initial layout group; performing optimization operation on each chromosome in the initial layout group by adopting a genetic operator to obtain a secondary layout group; and taking the secondary generation layout group as a new initial layout group, performing optimization operation again until a preset requirement is met, and outputting a final layout scheme. The system is used for implementing the method. The method is suitable for a visual platform in the fields of smart cities, industrial internet of things and the like, and solves the problem of automatic layout of large-scale components on the premise of meeting complex business rules and standard index requirements.

The utility model discloses an industrial internet large screen structure, and relates to the technical field of industrial internet equipment. The device comprises a bottom plate, the top of the bottom plate is fixedly connected with a supporting column, the top of the supporting column is fixedly connected with a rotating mechanism, the top of the rotating mechanism is fixedly connected with a mounting frame, the rear end of the top of the mounting frame is provided with an adjusting assembly, and one side of the adjusting assembly is fixedly connected with a display screen. The direction of the display screen can be adjusted through the rotating mechanism, after the motor is started, the output end of the motor drives the first gear to rotate, and the first gear is tightly meshed with the fluted disc fixed in the inner cavity of the rotating sleeve, so that the rotating sleeve is driven to stably rotate around the supporting column, and the mounting frame and the display screen are driven to rotate at multiple angles; by means of the design, the large screen can easily meet different watching requirements in a complex industrial environment, and the screen can be rapidly rotated to the optimal display direction in different operation areas of a large production workshop.

Methods and systems are described for improved delivery of advertisements in video applications. Certain embodiments described herein enable enhancing video ads with more interactive elements in an automated and dynamic way so that the CTR and conversion of the video ads can be improved at scale. Certain embodiments include, for example, enhancements to an ad exchange that participates in real-time bidding (RTB); a dynamic video creative services that handles the dynamic video variant selection during ad rendering after an ad impression is won; services to automatically enrich video ads with QR codes using category and ad content detection and enrichment area detection; and machine learning algorithms for dynamic big screen video ad component optimization to optimize advertising performance KPI.

The invention relates to the technical field of market analysis, in particular to an OTT large-screen content monitoring system and method based on a multi-modal agent, and the method comprises the steps: controlling at least one set of OTT large-screen equipment, simulating a user interaction signal to control the business interface navigation operation of the OTT large-screen equipment, and obtaining the display data of the OTT large-screen equipment; based on the display data, constructing and adaptively optimizing a business process state conversion model of the OTT large-screen equipment by a multi-modal agent, executing data acquisition operation according to the business process state conversion model, and acquiring commercial operation data; based on a space-time probability model, comparing the collected commercial operation data with a preset putting scheme, verifying a putting execution state and predicting a potential putting risk; semantic data analysis is carried out on the verified commercial operation data, market data are fused, and a content-attribute-relation-value multilayer commercial knowledge graph is constructed; and performing decision scheme optimization based on the knowledge graph, and generating an enterprise operation management strategy.

The invention relates to the technical field of data processing, and discloses a visual large-screen dynamic display method and system based on data driving, and the method comprises the steps: collecting business scene demand data, generating a display logic configuration instruction, and setting a display content type, a spatial layout and an interaction mode; the calling data interface is connected with a background storage system and obtains service data in real time through the data stream processing module; performing time sequence analysis, sliding window detection and association rule calculation on the data to obtain a freshness index, an abnormal fluctuation parameter and a coupling degree, and judging whether abnormal fusing is triggered or not; performing exception filtering and standardization on the processed data, mapping the processed data into a graph data structure, optimizing layout through the Fresnel's law, adjusting color matching through a color contrast algorithm, and generating a chart graph; and dynamically refreshing the interface by the rendering engine. According to the method, on-demand customization and dynamic adaptation are realized, and the influence of wrong data on the accuracy of a large screen is avoided.

1. The name of the design product: vernier caliper digital screen cover (large screen digital - DC-307). 2. The use of the design product: for installing digital screen, for installing on caliper, also for installing the movable measuring end of vernier caliper. 3. The design points of the design product: in the combination of shape and pattern. 4. The picture or photo that best indicates the design points: perspective view.

The application relates to the technical field of display, and discloses a display panel and a display device. The display panel comprises a substrate, a light-emitting layer located on one side of the substrate, an encapsulation layer located on the side, away from the substrate, of the light-emitting layer, a touch layer located on the side, away from the encapsulation layer, of the light-emitting layer, and a color resistance layer located on the side, away from the encapsulation layer, of the touch layer; the touch layer comprises a touch metal layer located on the side, away from the substrate, of the encapsulation layer and a first insulating layer located between the touch metal layer and the color resistance layer, wherein the first insulating layer is an inorganic insulating layer. Compared with the prior art, the display panel and the display device provided by the embodiment of the application have the advantage of solving the problem of too fast luminance decay under a large screen viewing angle.

The invention relates to the technical field of environmental monitoring and data processing, and discloses a chemical enterprise environmental data acquisition system based on a data transmission and processing technology, which comprises a sensing layer, a transmission layer, a platform layer and an application layer, and is characterized by comprising the following steps: S1, the sensing layer acquires environmental data in real time through a sensor and equipment; s2, the transmission layer safely and stably transmits the acquired data to a cloud or a local server; s3, the platform layer realizes data storage, decontamination, analysis and visualization; and S4, providing a visual and intelligent management tool by the application layer, and monitoring real-time data by using a large screen. According to the chemical enterprise environment data acquisition system based on the data transmission and processing technology, sensors are installed at key parts of an enterprise, so that the system can monitor key parameters such as toxic gas and air quality in real time, convert the data into digital signals and transmit the digital signals to a data center through a data line or a wireless network to be processed and analyzed.

This invention discloses a method for controlling the temperature-controlled cabin of a new energy vehicle, belonging to the field of new energy vehicles. The method includes: selecting and activating an overheat protection setting for the temperature-controlled cabin within a power-on / off cycle, while simultaneously feeding this information back to the vehicle's large screen; the setting includes an AC mode and a no-AC mode; and determining the functional state to be entered by the selected setting based on the ambient temperature and vehicle status, the functional state including a function maintenance state and a function deactivation state. Furthermore, this invention also proposes a temperature-controlled cabin control system for new energy vehicles based on the aforementioned method. This invention achieves intelligent temperature control of the vehicle cabin, preventing overheating caused by prolonged parking in high-temperature environments, thereby providing users with a more comfortable cabin environment.

The utility model discloses an integrated system host for controlling large-screen display, and relates to the technical field of large-screen display control systems. The backboard comprises a backboard module, the inner wall of the backboard module is provided with a PCIE slot, and an interface of the PCIE slot is plugged with a signal processing module. According to the utility model, through cooperation of the signal processing module and the backboard module which are designed in a modularized manner, a hardware architecture assembled according to needs and a PCIE slot interconnection technology are adopted, a user is allowed to flexibly select HDMI input and output, audio processing and network exchange of functional modules according to actual needs, the construction complexity is greatly reduced, redundant wiring is reduced, and the cost is reduced. And meanwhile, primary and secondary hierarchical design among the modules and an independent communication mechanism ensure that operation can be recovered by quickly replacing a secondary module when any module fails, so that the fault-tolerant capability and the maintenance efficiency of the system are remarkably improved, and a reserved expansion space supports subsequent function upgrading or capacity expansion and is adaptive to large-screen display scene requirements of different scales.

The invention relates to the technical field of carbon emission monitoring, and discloses an electric power carbon emission data acquisition system, which comprises power consumption real-time acquisition, a cloud algorithm engine, carbon emission automatic conversion, block chain evidence storage and carbon emission detection, and the block chain evidence storage comprises a visual large screen, an annual carbon machine account and an ESG / audit report; the electricity consumption real-time acquisition is to monitor electric power in real time through an intelligent electric meter, and the carbon emission detection is to monitor through an NDIR (non-dispersive infrared) sensor, a CEMS (continuous emission monitoring system) and a carbon metering substation; the carbon emission detection result and the carbon emission automatic conversion result are compared for multiple times, the absolute value of the error is larger than 5%, when the error exceeds 5%, NDIR sensor spectrum self-inspection is started, and when the error exceeds 5% after multiple times of comparison, the CEMS main data source is automatically switched, and an alarm is given. According to the electric power carbon emission data acquisition system, the problem of reliability of a single data source is solved through comparison of a monitoring result and electric power calculated carbon emission, and a carbon emission data acquisition result is more credible.

The invention discloses a water regimen AR video fusion management system, which relates to the technical field of fusion management and comprises a hydrological data acquisition module, a video acquisition module, a geographic information acquisition module, a dynamic calibration module, an AR fusion module and an intelligent decision module. Multi-source data of the water level value H, the flow velocity value V and the rainfall value R are fused with a single risk index, and AR alarm is driven; the dynamic calibration module integrates a heterogeneous data source (hydrological sensor / video / GIS), Beidou RTK positioning data (XRTK, YRTK) and a GIS elevation model Z (X, Y) are fused into a three-dimensional space point, the intelligent decision-making module carries out graded early warning and linkage AR visual early warning based on a hydrological early warning value F and a submerging depth D (x, y), and meanwhile, a mobile terminal, AR glasses and a command center large screen are supported to synchronously display an AR fusion scene. Collaborative annotation data is encrypted and stored by adopting a block chain technology, and is shared in real time through a 5G private network, so that the timeliness of emergency command is improved.

The utility model belongs to the technical field of coal mine screening, and particularly relates to coal mine screening equipment for coal mining, which comprises a screen mesh for screening a coal mine and a support frame arranged below the screen mesh and used for supporting and fixing the screen mesh, the screen mesh comprises a fine screen part with smaller screen meshes and a coarse screen part with larger screen meshes, and clamping rings are symmetrically installed at the two ends of the screen cloth, rotating grooves matched with the clamping rings are formed in the supporting frame, when the screening device is used, the screen cloth is rotated by a proper angle along the rotating grooves, switching of the fine screening part and the coarse screening part is conveniently achieved, and therefore screening of coal briquettes with different particle sizes is conveniently achieved. By designing the screen comprising the fine screening part and the coarse screening part and being provided with the rotatable clamping ring and the rotating groove structure, the equipment can conveniently switch the screen part so as to meet the screening requirements of coal briquettes with different particle sizes, the tedious operation of replacing the whole screen is avoided, the downtime is shortened, and the production efficiency is improved.