2872results about "Visible signalling systems" patented technology

The invention discloses an end-cloud cooperative detection method and system for traffic anomalies, and relates to the technical field of intelligent traffic control. The method comprises the following steps: collecting traffic video streams through edge equipment, and identifying abnormal behaviors and generating structured event data by using a lightweight YOLOv3-tiny model; when the confidence exceeds a dynamic threshold and the event type is a high-risk type, uploading a video clip and data to a cloud; the cloud integrates a historical road condition map, meteorological data and a real-time traffic flow state, reconstructs a three-dimensional event scene by adopting a space-time attention pyramid network, and verifies the authenticity of an event in combination with a traffic flow sudden change detection algorithm; and generating a signal lamp forced switching instruction for the risk level overrun event, and issuing the signal lamp forced switching instruction to roadside equipment within 3 seconds to execute emergency response. According to the invention, full-link closed-loop control of traffic accidents from identification to response is realized, and the false alarm probability is greatly reduced while the identification accuracy is guaranteed.

Systems, methods, and apparatus for detecting UAVs in an RF environment are disclosed. An apparatus is constructed and configured for network communication with at least one camera. The at least one camera captures images of the RF environment and transmits video data to the apparatus. The apparatus receives RF data and generates FFT data based on the RF data, identifies at least one signal based on a first derivative and a second derivative of the FFT data, measures a direction from which the at least one signal is transmitted, analyzes the video data. The apparatus then identifies at least one UAV to which the at least one signal is related based on the analyzed video data, the RF data, and the direction from which the at least one signal is transmitted, and controls the at least one camera based on the analyzed video data.

Systems, methods, and apparatus for detecting UAVs in an RF environment are disclosed. An apparatus is constructed and configured for network communication with at least one camera. The at least one camera captures images of the RF environment and transmits video data to the apparatus. The apparatus receives RF data and generates FFT data based on the RF data, identifies at least one signal based on a first derivative and a second derivative of the FFT data, measures a direction from which the at least one signal is transmitted, analyzes the video data. The apparatus then identifies at least one UAV to which the at least one signal is related based on the analyzed video data, the RF data, and the direction from which the at least one signal is transmitted, and controls the at least one camera based on the analyzed video data.

A fire suppression system includes an interface control module, and an interface module. The interface control module can activate a fire suppressant discharge system in response to receiving a fire detection signal. The interface module is connected with the interface control module and is connected with at least one of a first optical sensor and an interface expansion module. The interface expansion module is configured to connect with a second optical sensor. The first optical sensor and the second optical sensor are configured to detect a fire condition at an area of interest and provide the first detection signal to the interface control module in response to detecting the fire. The interface module includes light emitting devices corresponding to the first optical sensor and the interface expansion module, the light emitting devices configured to display different colors indicating a status of the first optical sensor and the interface expansion module.

The invention relates to a road section risk early warning method based on thunder-vision fusion perception, and the method comprises the following steps: S1, obtaining the high-precision space-time position information of a vehicle in a tunnel through the multi-source information fusion of a millimeter-wave radar and machine vision; s2, mapping the vehicle position under the global coordinate system to a coordinate system expanded along a road center line, and representing the vehicle position as a longitudinal projection position and a transverse offset along the road direction; s3, under the coordinate system, taking anti-collision time as a core index, combining lane judgment and relative speed, constructing a dynamic longitudinal risk grading model, and performing linkage triggering with a warning system; s4, constructing a regional risk integral model; and S5, speed limiting information is issued to all driving-in vehicles in real time through the variable speed limiting screen, and the rear-end collision risk is actively prevented and controlled. According to the method, the sudden risk response time can be shortened, the speed limit control response precision can be improved, the rear-end collision rate of the diversion and convergence areas can be reduced, false alarm interference can be reduced, and the tunnel driving safety and the information guiding efficiency can be improved.

A system and a device for active threat monitoring in a user worn helmet is provided. The system comprises an Internet of Things (IoT) cloud server having an IoT database. The IoT database is configured to generate virtual data feed. The system comprises a head mounted wearable device. The head mounted wearable device comprises a plurality of physical sensors configured to sense and generate at least one of visual feed and radar feed and a multimodal communication interface. The system comprises a user database designated to store user profile data. The system comprises an environment monitoring unit configured to map an environment based on at least of one of the visual feed, the radar feed, and the virtual data. The system comprises an awareness unit configured to generate an environmental context based on position of a user. The system comprises a controller. The controller is configured to receive the user profile data from the user database, the mapped environment from the environment monitoring unit, the environment context from the awareness unit, and the virtual data feed from the IoT database; analyse the user profile data, the visual feed and the radar feed, the environment context, and the virtual data feed to predict occurrence of threat based on the analysed data; and warn the user about a threat based on the predicted occurrence of the threat via the multimodal communication interface.

The invention discloses a tunnel entrance dynamic light and signal control system based on a visual algorithm, relates to the technical field of intelligent manufacturing control, and is used for solving the problem of poor light control when the visual field of a tunnel entrance suddenly changes. According to the method, a dynamic sensing mechanism based on visual feature understanding and multi-strategy linkage is constructed, continuous monitoring and intelligent control over the driving visual adaptation state of the tunnel portal are achieved, multi-dimensional visual features are extracted through image collection and preprocessing, visual risk scores are generated, visual field sudden change and traffic abnormity are recognized in combination with a sliding window, and the driving visual adaptation state of the tunnel portal is obtained. A risk response instruction is output, illumination adjustment and signal linkage control are driven, then vehicle behavior continuity, parking probability and blind area shielding factors are fused, speed limiting, guiding or warning signals are dynamically issued, and visual model fine adjustment and strategy updating are performed based on execution feedback. And finally, illumination and signal adaptive optimization under cross-time and multi-environment conditions is realized in combination with a control scene library, and the traffic safety and control intelligence level are improved.

One or more reduced, same form, light emitting apparatus(es) spaced apart and configured to be mounted at various heights and / or spacing employ the same power consuming light source input that is covered by a symmetrical or asymmetrical redirecting linear lens optics apparatus that is configured for use in a range of mounting heights to uniformly illuminate at least one legal path of egress below. An exemplary light apparatus is a horizontally rotatable device configured to project an illuminated directional building evacuation symbol / text / image onto an illuminated egress path below.

The invention discloses a road section illegal parking space-time prediction system based on deep learning, and relates to the technical field of intelligent traffic management, and the system comprises a multi-source data fusion collection module, a space-time self-attention feature extraction module, a dynamic granularity parameter generation module, a space-time hybrid model prediction module and an illegal parking early warning visualization module. By collecting traffic camera video streams, vehicle-mounted sensor data, mobile phone signaling data and meteorological data in real time, comprehensive perception of the traffic environment is achieved, the multi-source heterogeneous data are mapped to a unified GIS grid after being subjected to space-time coordinate calibration, a multi-dimensional illegal parking influence factor database is constructed, and on the basis, the real-time monitoring of the illegal parking influence factor database is achieved. The space-time self-attention feature extraction module performs efficient space-time feature extraction on multi-source data by using a space-time diagram self-attention model, generates feature vectors with space-time relevance, and solves the problems of single data and insufficient feature extraction in a traditional method.

The invention discloses a waistband type falling protection early warning device for old people living alone, and belongs to the technical field of intelligent wearable equipment. The problems that an existing device is single in early warning mode and cannot effectively guarantee the safety of old people living alone are solved, corresponding action results are matched for various data of the old people through the convolutional neural network and the lightweight decision tree model, and if a preliminary judgment result conforms to a normal mode, a judgment result is directly output; if not, triggering a secondary analysis mechanism to further judge whether the old people fall down or not; the GPS positioner is also used for analyzing whether falling behaviors occur at the same position for many times, and if a high-risk position is found, when the old people approach the high-risk position, the warning lamp and the alarm are used for reminding and paying attention to action behaviors; the fall detection accuracy is improved, the possibility of false alarm and missing alarm is reduced, the old people can be actively prevented from falling again in a high-risk area, and a more comprehensive safety guarantee is provided for the old people living alone.

A finger-worn wearable ring device may include a ring-shaped housing, a printed circuit board, and a sensor module that includes one or more light-emitting components and one or more light-receiving components. The wearable ring device may further include a communication module configured to wirelessly communicate with an application executable on a user device.

The invention provides a warning method and system of an intelligent tripod warning lamp, and relates to the technical field of intelligent vehicle-mounted technologies. When a vehicle is in danger, vehicle state information is collected to automatically generate a warning trigger instruction, and a rear target projection point is determined based on a road type and a vehicle position; projection parameters are calculated in combination with vehicle postures, a vehicle-mounted projection light source is driven to generate a triangular warning graph on the ground at the target distance, meanwhile, light beam output is adjusted in a self-adaptive mode according to environment illumination and visibility, and it is guaranteed that the graph is clear and visible and conforms to human eye safety; the projection position and parameters are dynamically updated to maintain stable warning during the duration of the dangerous state, and the system is automatically closed and reset when the danger is relieved or manual termination is performed, so that the risk of manual arrangement is avoided, and long-distance stable warning is realized.

A device may include a work light configured to emit light in a first direction. A device may include a hazard light configured to emit light in a second direction. A device may include a hinge coupled between the work light and the hazard light such that the work light and the hazard light are independently rotatable relative to each other about the hinge from a storage position to a deployed position. A device may include a user interface disposed on the hazard light, the user interface including a work light actuator engageable to actuate the work light and a hazard light actuator engageable independent from the work light actuator to actuate the hazard light.

A local fleet connectivity system includes a plurality of machines disposed at a location. Each of the plurality of machines include an implement and a prime mover configured to drive the implement. The system includes a connectivity hub configured to establish, via a connectivity module, a connection with the plurality of machines. The connectivity hub is configured to establish a connection with at least one remote server. The connectivity hub is configured to exchange data between the plurality of machines and the at least one remote server. The data flows through the connectivity hub.

The invention discloses a gas ultrasonic flowmeter, and relates to the technical field of ultrasonic flowmeter equipment.The gas ultrasonic flowmeter comprises a flow monitoring mechanism and further comprises a supporting and installing mechanism, and the supporting and installing mechanism is arranged at the bottom of the flow monitoring mechanism. Normal assembly of the supporting installation mechanism and the flow monitoring mechanism is achieved, the installation angle of the two supporting foot bases can be adjusted according to the installation scene, manual holding installation is facilitated through a portable handle, and the stability of equipment during placement is improved through cooperation of a balancing weight and a reinforcing side plate; the gas ultrasonic flowmeter is provided with the sealing connection mechanism and the pipeline limiting mechanism, has the advantages of eliminating uncertain inherent time delay of a plurality of sensors and a processing circuit, being accurate in measurement and the like, meanwhile, a multiplexing sound channel can serve as a redundant backup, even if an individual sensor is damaged, the gas ultrasonic flowmeter can still work normally, and the detection reliability is greatly improved.

A finger-worn wearable ring device may include a ring-shaped housing, a printed circuit board, and a sensor module that includes one or more light-emitting components and one or more light-receiving components. The wearable ring device may further include a communication module configured to wirelessly communicate with an application executable on a user device.

The intelligent guiding device for temporary shunting of the tramcar platform comprises a standing type door frame and a set of movable sliding doors arranged in the door frame, shunting partition plates are selectively arranged between the movable sliding doors, an anti-pinch alarm mechanism is arranged on one side of the closing direction of each movable sliding door, and the other side of the closing direction of each movable sliding door is provided with an anti-pinch alarm mechanism. A pointing assembly is arranged on the movable sliding door. The utility model has the beneficial effects that the device is convenient to disassemble and assemble, is safe and flexible, can be used for shunting passengers on the tramcar platform, and simultaneously provides accurate and convenient navigation and indication services. The problems related to safety such as congestion, trampling and uncivilized getting-on and getting-off when some platforms carry out social activities are solved.

A system and method for reporting presence of liquid within an information handling system via a liquid detection operation. In certain embodiments, the liquid detection operation includes monitoring an information handing system chassis for presence of liquid within the information handing system chassis; determining when liquid is detected within the chassis of the information handing system chassis; and, reporting presence of liquid when liquid is detected within the information handling system chassis, the reporting being via generation of a sequence of light flashes, the sequence of light flashes being based upon a unique signal generation parameter.

The invention discloses a transformer with an electric leakage automatic power-off protection function, and relates to the field of transformer power-off protection, and the transformer comprises a main shell, cooling fins are arranged on the two sides of the outer surface of the main shell, a top cover abuts against the top of the main shell, an L-shaped folded plate is fixedly arranged at the bottom of the top cover, and a first inclined plate is arranged on the surface of one side of the L-shaped folded plate; a second inclined plate is arranged on the side, away from the L-shaped folded plate, of the first inclined plate, a transmission plate is arranged at the end, away from the first inclined plate, of the second inclined plate, and conical plates used for jacking the top cover are arranged at the end, away from the first inclined plate, of the transmission plate and the end, away from the first inclined plate, of the L-shaped folded plate. A temperature sensor is arranged at the position, between the second inclined plate and the first inclined plate, of the top of the top cover, and a warning lamp is arranged on one side of the temperature sensor. The low-voltage outlet and the high-voltage outlet are switched on and switched off, a warning lamp is matched to give an alarm, personnel can conveniently repair the transformer, meanwhile, the conical plate is driven to support the top cover, high temperature in the transformer is released, explosion is prevented, and the safety coefficient is increased.

The disclosed invention introduces an advanced Visual Alarm and Guidance System designed to significantly enhance safety in industrial environments. This innovative system integrates state-of-the-art computer vision and light projection technologies, along with trajectory prediction algorithms, to dynamically identify potential hazards and guide workers in real-time out of potential collision pathways. It marks a considerable advancement over traditional safety methods by not only detecting imminent dangers but also providing clear, visual navigation aids. This system is adaptable to various high-risk settings, seamlessly integrates with existing infrastructures, and offers a novel approach to real-time, visual safety management in industrial settings.

The invention belongs to the technical field of light modulator control, and particularly relates to a distributed LED lamp control system based on light modulator control, which analyzes the physical position of each lamp in a place through a power line carrier phase difference, synchronously fuses the illuminance, target density and gas concentration data of the corresponding position, generates a coordinate-bound logic scene label, and displays the coordinate-bound logic scene label. And dynamically generating a dimming instruction of each lamp in a place based on label multi-dimensional feature fusion, performing dimming instruction set classification according to a lamp driving protocol type, realizing instruction issuing in combination with communication window segmentation control and a dimming parameter sorting strategy, performing brightness adjustment after analysis by a lamp terminal, and in the process of controlling the lamp by a dimmer, adjusting the brightness of the lamp by the dimmer. Driving current fluctuation is monitored in real time, local compensation is executed, a constant-current standby mode is switched when abnormity is detected, cooperative control, system linkage brightness adjustment and emergency early warning of a single light modulator on multiple types of lamps in a large area are achieved, and the safety response capacity of the system to a complex environment is improved.

The present disclosure relates to a hitch area surveillance system for an articulated vehicle (100) having vehicle data, comprising a hitch area lighting system and / or sensor circuitry overlooking a hitch area of the articulated vehicle, a control unit (5) operatively connected with the articulated vehicle and the hitch area lighting system (2) and / or sensor circuitry (3), wherein the control unit (5) is configured to activate the hitch area lighting system (2) and / or sensor circuitry (3) based on received vehicle data.

The invention discloses a depth-adjustable sowing device for traditional Chinese medicine planting, and relates to the technical field of traditional Chinese medicine planting.The depth-adjustable sowing device comprises a drill planter body, driving wheels are symmetrically and rotatably connected to one side of the drill planter body, a seed box is fixedly connected to the top of the drill planter body, and a plurality of discharging pipes are fixedly connected to the side, close to the driving wheels, of the seed box at equal intervals; a mounting plate is connected in the drill seeder body in an up-and-down sliding mode, a plurality of furrow openers are fixedly connected to the bottom of the mounting plate at equal intervals, a plurality of worms on a transmission rod are driven by a servo motor to rotate, worm wheels meshed with the worms and a rotating disc are promoted to rotate synchronously, and the same amount of traditional Chinese medicine seeds are filled in a plurality of feeding bins on the rotating disc. And then the pressed block is extruded by the pressing block to enable the round opening to be aligned with the discharging pipe, so that equal-quantity and equal-distance sowing of the traditional Chinese medicine seeds can be realized, the conditions of non-uniform seed density in the groove and inconsistent plant spacing in the groove when the traditional Chinese medicine seeds are sown by using a drilling method are avoided, and the land utilization rate can be effectively improved.

A fall protection compliance system includes a connection structure configured for interfacing an anchor structure and a connection sensor associated with the connection structure. The connection sensor includes an accelerometer or a pressure switch, where the connection sensor is configured to monitor continued connection of the connection structure to the anchor structure over a period of time and to output a signal indicating said continued connection.

The invention relates to a multi-source alarm fusion emergency system linkage disposal method. The method comprises the following steps: acquiring a multi-dimensional heterogeneous sensing data stream in a monitoring area and generating a basic evidence set object; calculating a global conflict quantitative index and performing adaptive confidence correction on the high-conflict evidence; performing weighted fusion on the corrected evidence by using the dynamically updated sensor reliability weight vector to generate a target safety state probability; determining an alarm response level according to the probability and driving equipment to respond cooperatively; and finally, iteratively updating the sensor weight based on the execution feedback data. The method has the advantages that accurate fusion judgment of multi-source heterogeneous evidences in a complex interference environment is achieved, and it is ensured that the system has the self-adaptive adjustment capacity for sensor performance changes.

The invention discloses a shading device based on an illuminating lamp protective cover, the shading device comprises a base, the base is fixedly connected with the protective cover, the protective cover is provided with a light adjusting mechanism, the light adjusting mechanism comprises a driving assembly, a controller and a mounting frame fixedly connected to the protective cover, and the driving assembly is used for driving a dustproof cylinder to rotate. By arranging the light adjusting mechanism, the light shielding plates can be opened and closed according to external light sensed by the light sensor, when external light is enhanced, the multiple light shielding plates are automatically closed, redundant light is shielded, meanwhile, the power of the lighting lamp is reduced, electric energy waste is avoided, when the external light is weakened, the light shielding plates are automatically opened and closed, and the lighting effect is improved. And the output power of the lighting device and the irradiation range of the lighting lamp are increased, so that the lighting lamp has the function of automatically adjusting the brightness and the irradiation range according to the external brightness degree.

The invention relates to the technical field of explosion-proof lamp detection, and discloses an anti-disassembly detection method and system for a portable explosion-proof lamp and a storage medium. The method comprises the following steps: arranging a detection contact and a sensor at the detachable structure, and forming a detection loop through a detection module; and collecting total detection data in real time and comparing the total detection data with the initial data to obtain detection change data so as to identify the state of the lamp and the specific disassembled structure. If the disassembly is illegal, light warning is given out, the warning brightness or the flicker frequency is related to the change data, and the disassembled structure is indicated. Initial data can be updated through a reset instruction to adapt to gauge operation. According to the method, accurate detection and positioning of illegal disassembly are achieved, warning is visual, and the use safety and detection flexibility of the explosion-proof lamp are improved.

The invention discloses preparation of isotropic flame-retardant bacterial cellulose aerogel and fire early warning application of the isotropic flame-retardant bacterial cellulose aerogel, and belongs to the technical field of aerogel materials. The preparation method of the aerogel comprises the following steps: (1) adding phosphorus / nitrogen-containing bridged organosiloxane and tetraethyl orthosilicate into bacterial cellulose dispersion liquid in proportion, and then stirring to obtain milk white uniform and stable turbid liquid; and (2) heating and curing the milky white turbid liquid, then precooling, and finally freeze-drying to obtain the isotropic flame-retardant bacterial cellulose aerogel. The aerogel disclosed by the invention is a cellulose-based aerogel material with flame-retardant and heat-insulating properties, has a remarkable isotropic flame-retardant characteristic, can effectively resist flame spread in all directions, is high in carbonization efficiency, can realize early detection and early warning of a fire disaster, and has a great application prospect in the field of fire disaster early warning.

The invention discloses a screen control integrated clearance lamp integrated industrial vehicle intelligent safety early warning system and method, and relates to the field of industrial vehicle safety early warning. The three-dimensional dynamic light field outline marker module adopts a metamaterial and a DMD (Digital Micromirror Device) to construct a dynamic light field and generate a virtual-real fusion guide line; the multi-modal perception fusion module integrates a radar and a camera, and constructs a space-time association graph model; the edge calculation decision module constructs a neuromorphic calculation unit, and adopts SNN to process time sequence data; the screen control integrated interaction module develops a light field tactile feedback display screen and generates a three-dimensional interaction interface through holographic projection; the holographic sound field positioning module deploys a metamaterial and designs a sound wave phase conjugate mirror; and the vehicle-road cooperative communication module adopts an OAM multiplexing technology to realize a 5G-V2X communication distributed edge cache network. The visual distance is optimized in rainy and foggy weather, the night detection effect is guaranteed, power consumption and response delay are controlled, operation errors are reduced, spectrum efficiency is optimized, and operation safety and economical efficiency of industrial vehicles are enhanced.

A premises monitoring system is provided. The premises monitoring system includes a control device. The control device receives sensor data from at least one premises device located at the premises determines. The control device, based on the sensor data, a location of an occupant at the premises, an existence of an emergency condition at the premises, and a location of the emergency condition at the premises. The control device determines, based on the location of the emergency condition and the location of the occupant, an egress path, the egress path comprising a plurality of waypoints in a sequence from the location of the occupant to an egress point. The control device, in response to the occupant reaching one of the plurality of waypoints, causes generation of a guidance indication at a subsequent waypoint of the plurality of waypoints in the sequence.