793 results about "Public place" patented technology

The invention relates to the technical field of artificial intelligence, and discloses an event prediction method and system based on multi-modal fusion, and the method comprises the steps: constructing a knowledge graph encoder, and converting domain expert knowledge into learnable vector representation; constructing a multi-granularity feature extraction network, and extracting features from different microcosmic, mesoscopic and macroscopic scales; realizing a knowledge-guided attention mechanism, and dynamically adjusting feature scale importance; constructing a prototype learning module, and establishing prototype representation of the abnormal category; a knowledge migration mechanism is constructed, and the generalization ability of the model to novel anomalies is enhanced; and multi-granularity abnormal event detection and early warning are realized, and a detection result and interpretable analysis are output. According to the method, through combination of knowledge guidance and multi-scale feature learning, efficient identification and early warning of social abnormal events under the condition of data scarcity are realized, and the method is suitable for the fields of public place safety monitoring, urban traffic safety management, large-scale activity safety guarantee and the like.

The utility model belongs to the field of smoke exhaust equipment in public places, in particular relates to a fire-fighting smoke exhaust filtering device for public places, and aims to solve the problems that the conventional fire-fighting smoke exhaust filtering device is generally poor in filtering effect and difficult to maintain. In order to solve the problems that in the prior art, in the prior art, a single filtering mode cannot meet the requirement, the following scheme is provided: the device comprises a filtering box, a supporting bottom plate is fixedly connected to the bottom of the filtering box, air holes for air inlet and air outlet are formed in the two sides of the filtering box, and an air outlet filtering plate and an air inlet filtering plate are fixedly embedded in the two air holes respectively; the middle position of the inner wall of the filter box is fixedly connected with a partition plate, the primary filter assembly and the refilter assembly are arranged, and the primary filter assembly is used for primarily filtering flue gas through an annular filter screen to remove large-particle impurities; and the refiltering assembly adsorbs and filters the flue gas again through activated carbon in a first sleeve and a second sleeve, so that harmful substances in the flue gas are effectively removed.

The utility model discloses an anti-theft and tamper-proof soap dispenser used in public places and capable of reducing plastic use, and relates to the technical field of soap dispensers, the soap dispenser comprises a structure formed by matching an inner shell and an outer shell in a sliding sleeve mode, the inner shell and the outer shell are matched to form a closed space, and the closed space is used for containing a bottle capable of being filled repeatedly or a disposable bag. The inner shell and the outer shell are fixedly locked through a spring and a metal bolt, a clamping groove is formed in the back to enhance the connection strength, and only a magnetic key is allowed to be used for opening. According to the soap dispenser, through multiple technological innovations and design optimization, the problems that an existing soap dispenser is generally poor in anti-theft and tamper-proof effects, plastic waste is serious, pollution is caused by repeated filling, maintenance is difficult, the appearance is not attractive, and user experience is poor are solved; the method is of great significance in improving the use efficiency of cleaning supplies in public places and the user experience.

The invention relates to the technical field of new energy automobile charging piles and intelligent control, and discloses a charging pile with a split gun pile and an intelligent regulation and control charging method.The charging pile with the split gun pile and the intelligent regulation and control charging method comprise an intelligent power distribution module, a charging control module and a charging control module, according to the intelligent charging system, the charging power can be flexibly adjusted, the optimal power matching is realized, and the charging efficiency can be improved. According to the gun pile split type charging pile and the intelligent regulation and control charging method, after charging is completed, a vehicle owner can take away the charging wire along with a vehicle easily, the design is simple and attractive, convenience of city management is greatly promoted, disordered stacking of the charging wire in public places is avoided, the tidiness and attractiveness of the city environment are kept, and meanwhile, the charging pile is convenient to use. The charging line is taken away along with the vehicle, so that the maintenance cost of the charging pile is reduced, the service life of the charging pile is prolonged, and positive contributions are made to urban management and sustainable development.

The invention discloses a long-distance identity recognition method for a large area, which belongs to the technical field of computer vision and comprises the following steps: S1, initializing a system; s2, collecting video data; s3, pedestrian detection and segmentation; s4, performing gait recognition; s5, multi-target cross-camera tracking is carried out; and S6, result output and application service. According to the invention, an effective solution is provided for large-scene video intelligent security and protection in a complex environment of a park, the accuracy and traceability of personnel identity recognition in a high-risk area are ensured, and the safety production level of the park is improved; a long-distance multi-target identity recognition scheme is provided, real-time monitoring and early warning of illegal person invasion in key protection areas are achieved, and reliable safety guarantee is provided for public places.

The present invention allows for the creation of a biometrically secure environment that allows viewing, editing and sharing of confidential documents, or the like, in public places, without worrying that someone will see the contents. The invention provides privacy, for example for the purposes of reading documents, in a public environment while having the confidence that you are the only one able to read the document. Privacy may be achieved through methods of identification using biometric features, such as: face, iris or voice recognition. Verification that a real person is viewing the document may also be achieved by pulse recognition. In one embodiment, the screen will shut down when more than one person looks directly at the screen.

The invention relates to the technical field of monitoring video management, in particular to a public place security and protection video monitoring management system and method, and the method comprises the steps: obtaining video data of all cameras in a public place monitoring region, and screening out candidate video streams for subsequent security and protection video monitoring management from the obtained video data; calculating the similarity between the video frame of the monitoring area and the candidate video stream, and carrying out image matching based on a calculation result; and according to the constructed public place monitoring area matching image set, abnormal behavior detection is realized through a cross validation algorithm. According to the method, the candidate video streams are automatically screened out by calculating the similarity between the video frames and the visual angle difference of the camera, so that the processing burden of irrelevant video streams is reduced; by means of multi-camera data streams and scene layout information, event coverage in a monitoring area is ensured to be complete through cross validation, potential abnormal behaviors and potential safety hazards can be effectively identified in combination with an anomaly detection algorithm, and the identification precision is improved.

The invention relates to the technical field of intelligent cabins, in particular to a vehicle speed threshold value adjusting method and device, a vehicle, a medium and a program product. Obtaining a geo-fence boundary and a first speed threshold value in an area enclosed by the geo-fence boundary; and when the position of the vehicle is located in the area defined by the geo-fence boundary, adjusting a second speed threshold value of the vehicle to be the first speed threshold value. In this way, the speed threshold value of the vehicle is adjusted according to the position of the vehicle. On one hand, casualties or other losses caused by the fact that the vehicle is out of control due to too high speed in a public place can be avoided, and on the other hand, under the scene that speed limiting is not needed, it is ensured that the vehicle can be kept at a high speed, and the situation that the driving experience of a user is affected due to speed limiting is avoided.

To provide a measure formulation method and a measure formulation system that can formulate more diverse measures quickly and efficiently by more accurately grasping needs of a local resident in a public space.SOLUTION: A measure formulation method executed by a measure formulation system that uses a virtual space that simulates a real space to evaluate a measure related to the use of the real space, generates, on the basis of user input, using a generative AI, a measure goal and constraint. Then, the method generates, on the basis of the goal and the constraint, using a generative AI, a simulation task for executing a human-flow simulation that simulates a flow of a human for the measure. The method then executes a simulation task on a virtual space to perform the human-flow simulation, and displays the result of the human-flow simulation on a display screen.SELECTED DRAWING: Figure 14

A remotely controlled powered chair may include a support frame, a seat pivotally mounted on the support frame, an rotary actuator mounted between the support frame and the seat to drive the seat to move relative to the support frame, a backrest pivotally mounted on the seat, and a linear actuator mounted between the seat and the backrest to drive the backrest to move relative to the seat. Thus, the rotary actuator may be controlled by an electrically control device to drive the seat to pivot relative to the support frame reciprocally in a pendulum manner so that the seat is pivoted relative to the support frame automatically. In addition, the linear actuator may be controlled by the electrically control device to adjust the inclined angle of the backrest so as to provide a comfortable sensation to the user.

The invention provides a linkage illumination control method, system and device based on multiple devices and a medium, and the method comprises the steps: carrying out the function partition planning of the internal space of a public place, and setting a differential illumination standard value according to the use characteristics of each region; the method comprises the following steps: collecting real-time illumination parameters of all orientations of the periphery of a building through a deployed illumination sensor, and establishing an indoor space gridding lighting model to obtain indoor natural light distribution; based on the natural light distribution of each indoor area, using a compensation natural light model to adjust the brightness of lighting equipment in each indoor area; a prediction model is established through historical indoor illumination data and weather data, real-time weather and time information is input into the prediction model to predict indoor natural light distribution, and the brightness of illumination equipment in each indoor area is adjusted based on the predicted indoor natural light distribution. According to the invention, unnecessary power consumption can be reduced, natural light is utilized to the maximum extent, and total energy consumption is reduced.

The utility model discloses a storage device on a draw bar of a luggage case, which comprises a draw bar body mounted on a luggage case body, a storage platform and a rest stool are arranged on the draw bar body, and the storage platform comprises a connecting plate movably connected to the draw bar body, a storage plate hinged to the connecting plate and a supporting piece used for supporting the storage plate. The utility model has the beneficial effects that for public places such as airports, railway stations, bus stations, outdoor roads and the like, when no rest seats exist, the object placing device on the pull rod can be used for placing objects on the pull rod, so that the rest stool can be used for placing objects on the pull rod, and the rest stool can be used for placing objects on the pull rod. The storage platform can be provided at any time for placing a notebook computer and a tablet computer for working, watching drama and the like, the rest stool can be provided for temporary rest, dining and the like, the functions are diversified, and the practicability is high.

The invention relates to the technical field of public safety personnel evacuation, discloses a public emergency emotional infection simulation method, and aims to solve the problems that an existing emotional infection simulation model does not fully consider a group emotional propagation theoretical mechanism and the influence of personality characteristics of an intelligent agent and is insufficient in simulation precision and authenticity. The method is based on an improved SIRS (Susceptable-Infected-Recovery-Susceptable) model and an OCEAN large five-personality model, and is realized through the following six core steps: 1) constructing a three-dimensional simulation model of a public place; 2) initializing personality characteristics, emotional states and behavior states of the agents; 3) calculating an emotion propagation process (including a propagation range, an influence value, a distance weight and emotion conflict processing) between the intelligent agents; the method comprises the steps of (1) acquiring the emotion of the intelligent agent, (2) calculating the emotion attenuation of the intelligent agent, (3) determining the evacuation speed and completing analogue simulation, (4) realizing the behavior logic of the intelligent agent in different emotion states, (5) calculating the emotion attenuation of the intelligent agent, and (6) determining the evacuation speed and completing analogue simulation. The method can accurately restore the emotion infection and evacuation behaviors of the crowd in an emergency scene, improves the simulation authenticity and lightweight level, and provides decision support for emergency evacuation scheme making and emergency management.

The invention relates to the field of fire risk assessment, in particular to a public place fire risk assessment method and system, and the method comprises the steps: building a communication channel attenuation model through high-temperature smoke interference parameters of a target place, and calculating comprehensive signal attenuation coefficients of different spatial positions of the target place; performing dynamic interference analysis on the multi-mode communication network of the target place according to the comprehensive signal attenuation coefficient to obtain a communication system stability coefficient; and analyzing the stability coefficient of the communication system in combination with historical fire data to obtain a communication topology vulnerability map of the target place under high-temperature smoke interference, and obtaining a risk assessment result of the target place according to the communication topology vulnerability map. The risk assessment accuracy of the fire-fighting communication system under the interference of high-temperature smoke in public places is effectively improved, and the fire-fighting safety guarantee level in public places is improved.

The invention discloses a smokeless electronic cigarette liquid capable of inhibiting generation of visible aerosol and a preparation method thereof, the smokeless electronic cigarette liquid is composed of a matrix component and an essence component, the matrix component comprises food-grade propylene glycol, absolute ethyl alcohol and purified water, and the essence component comprises essence, nicotine salt, a cooling agent, food-grade propylene glycol and a sweetening agent. According to the smokeless electronic cigarette liquid, by canceling traditional atomized matrix glycerol, the electronic cigarette liquid hardly generates aerosol in the heating and using process, namely hardly generates obvious smoke which is lower than an alarm threshold value of a smoke alarm, does not trigger the smoke alarm, avoids environmental residues, and is safe and reliable. According to the present invention, the use requirements of users in public places or no-smoking areas can be met, the trouble to surrounding people is effectively avoided, the harm to the human respiratory system is reduced, the environmental protection and health are provided, the transmission efficiency and the taste of nicotine are retained, and the preparation method has characteristics of simple processing, simple process requirement and low cost, and is suitable for large-scale production.

The invention discloses a multi-dimensional taxi management method applied to a large public place, and the method comprises the steps: when a first user completes a current short-distance journey, according to a plurality of preset standard parameters corresponding to a departure place in the current short-distance journey, determining the departure place in the current short-distance journey; dynamically updating a current multi-dimensional scheduling parameter value of the first user according to the actual travel mileage and the actual vehicle storage duration; when a first user initiates an appointment request indicating that any appointment passing time period of a shortcut channel in any public place is appointment, whether an appointment authority exists or not is judged based on a current multi-dimensional scheduling parameter value of the first user, and if the appointment authority exists, a corresponding appointment quota is locked for the first user, and the current multi-dimensional scheduling parameter value is dynamically updated; when the first user drives to the entrance of the shortcut channel, acquiring a unique identification code of the first user, judging whether the first user has a passing permission or not according to the unique identification code, and if yes, controlling to release; otherwise, prompting that there is no passing permission. Correspondingly, the invention further provides a multi-dimensional taxi management terminal and system.

Systems and methods are disclosed for implementing a system to dynamically display user content. In certain embodiments, a method may comprise displaying, via a streaming service, an actionable content element at a display of a first public venue, the actionable content element directing a user device to a service for uploading user generated content (UGC). The method may further comprise receiving the UGC at the streaming service, and displaying the UGC at a screen of a selected public venue.

The catkin collecting and incinerating device comprises a box body, an air suction head is arranged on the box body, the air outlet end of the air suction head penetrates through the box body and is connected with the air inlet end of an air pipe, a blocking net is arranged at the joint of the air suction head and the air inlet end of the air pipe, an electric arc generator is installed on the blocking net, and an exhaust fan is installed between an air outlet of an exhaust pipe on the side portion of the air pipe and an air outlet of the box body. The air outlet end of the air pipe extends downwards into the water tank dust collecting device, and the water tank dust collecting device is installed at the bottom in the box body. The fan is used for generating suction force, so that floating or accumulated catkins can be quickly sucked into the device like a dust collector, and high-efficiency and centralized collection is realized; willow catkins are rapidly removed from public places, and drift of allergens and contact with human bodies are directly reduced from the source; collected catkins are intensively incinerated in a closed combustion space through an arc generator, the risk of open-air random ignition is avoided through controllable incineration, and the combustion process is limited within a safe range.

The invention relates to the technical field of air purification equipment, in particular to an unpowered public place air directional flow purification structure. The problems that in the prior art, the natural ventilation principle and the multi-stage purification function cannot be fused on the structural design level, and consequently inherent defects exist in the aspects of energy consumption, noise, maintenance cost, airflow organization stability and the like are solved. The unpowered public place air directional flow purification structure is arranged on a wall unit and comprises a micropore physical pre-filtering structure, a multi-layer labyrinth type physical filtering structure and an adsorption / deposition structure which are integrally arranged in a closed mounting cavity in the wall unit. In the operation process of the structure, no fan or motor or external power supply is needed in the whole process, air circulation is driven by completely depending on the thermal characteristics of the wall and weak thermal buoyancy formed by an indoor environment heat source, no mechanical moving part exists in the operation process, the noise level is low, and the noiseless requirement of a hospital ward area at night is met.

The invention discloses an intelligent dynamic guiding method based on a multi-agent system, and relates to the technical field of multi-agent systems, and the method comprises the following steps: S1, constructing an environment macroscopic state abstract tensor, and inputting the environment macroscopic state abstract tensor into an improved QMIX model; s2, extracting an optimal evacuation decision intention tensor; s3, constructing a local observation state tensor; s4, extracting an individual Q value tensor; s5, extracting a global team Q value; s6, generating an anti-fact state through the VRNN model, calculating time sequence differential loss, and jointly optimizing parameters of the whole QMIX model; and S7, based on the individual Q value tensor, selecting an evacuation guide action. The method overcomes the limitation that a traditional crowd guiding method depends on a fixed plan, the guiding strategy is single and response lags behind, and an efficient and accurate solution is provided for intelligent crowd flow management and control and cooperative guiding of large public places.

The invention relates to the technical field of computer vision and artificial intelligence, and discloses a public area pedestrian trajectory monitoring system based on cross-camera tracking and hybrid simulation completion. The system comprises a camera array module, a pedestrian detection and cross-camera tracking module, a monitoring blind area information base module, a hybrid drive pedestrian simulation engine module, a track fusion and complementation module and a simulation integration propulsion module. According to the invention, monitoring blind area tracks can be effectively filled, track continuity and prediction accuracy are improved, existing hardware is fully utilized to reduce cost, and modular design is easy to integrate and convenient to use. The generated complete track can be widely applied to scenes such as public safety monitoring, passenger flow analysis and emergency evacuation plan making in public places such as ports, subway hubs, cruise ship wharfs and commercial complexes, and supports a real-time monitoring or post-analysis mode.

The invention discloses a public place abnormal behavior recognition method and system based on deep learning, and relates to the technical field of machine learning, and the method comprises the steps: connecting monitoring equipment to obtain and preprocess a video stream; identifying pedestrian targets through a lightweight target detection model and distributing IDs; tracking a pedestrian ID, constructing a motion track and identifying behavior action features; and training an abnormal behavior recognition model through an abnormal behavior sample library, importing a movement track and behavior action feature recognition abnormality, and generating abnormal feedback information according to the traceability level of a result and the like. The technical problems that in public place abnormal behavior detection through a traditional means, abnormal behaviors in a complex scene are difficult to accurately recognize, missing detection and false detection are prone to occurring, information is not timely and inaccurate, and the safety management and control requirement cannot be met are solved, and the purposes of accurately recognizing the public place abnormal behaviors and improving the safety of public place abnormal behavior detection are achieved. And the abnormal feedback information which is accurate and contains the traceability level, the risk level and the timeliness is output, and the technical effect of meeting the safety management and control requirements is achieved.

1. Name of the design product: Flashlight (Multifunctional YB-88). 2. Use of the design product: For lighting in public places. 3. Design key points of the design product: Lies in the shape. 4. Picture or photo that best shows the design key points: Perspective view.

1. The name of the design product: landscape column. 2. The use of the design product: landscape column for "geographical" square, museum square, urban public place or park. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view. 5. The bottom surface of the design product is the part that is not easy to see or cannot be seen during use, and the top view is omitted.

1. Name of the design product: self-study desk. 2. Use of the design product: desk for self-study in public places. 3. Design points of the design product: in shape. 4. Picture or photo best indicating the design points: perspective view.

The trash can for separating and placing liquid and solid garbage described in the present invention is composed of a trash can shell, a solid garbage storage bucket, a liquid garbage storage basin, a box cover, a power transmission mechanism, etc. The beneficial effects of the present invention are as follows: the present invention changes the original trash can cover from rotating around a horizontal axis to rotating around a vertical axis, which fundamentally overcomes the shortcomings of the original trash can cover when opening and closing, and the new trash can cover also adds the function of holding liquid garbage, realizing the separation and placement of liquid and solid garbage. Especially in public places, trash cans can be seen everywhere, but people are worried because they can neither spit anywhere nor find a place to spit. The liquid garbage storage basin on the trash can cover described in the present invention is a good spittoon. Since the present invention is a passive trash can, no electricity is required when working. Therefore, the trash can described in the present invention has no restrictions on the place of use.

1. Name of the product in this design: High Pressure Cleaner (SLT-2502). 2. Application of this design: It is used in vehicles, home appliances, industrial equipment, homes, commercial spaces, public places and other fields to wash dirty exterior surfaces with high-pressure water. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

1. Name of the product in this design: LED display screen (NTV2). 2. Purpose of this design: For use as an indoor and outdoor information display device in public places. 3. The key design feature of this product is its shape. 4. The picture or photo that best illustrates the key design points: Design 1 3D diagram 1. 5. Design 1 is designated as the basic design.