374results about How to "Prevent stray entry" patented technology

The invention provides an early warning method, device and equipment for visually identifying dangers and a storage medium. The method comprises the following steps: defining a dangerous area in a monitoring video according to a current monitoring scene of a camera device; identifying whether a person appears in the monitoring video based on a deep learning convolutional neural network; when a person appears in the monitoring video, obtaining the position information of the person; comparing the position information of the person with the position range of the dangerous area; and if the position information is in the dangerous area, sending out early warning information about personnel invasion into the dangerous area. The intelligent visual identification technology is adopted to identifywhether people exist in monitoring or not and whether people touch the range of a dangerous area defined by the people, the designated dangerous area can be monitored for 24 hours, and safety accidents caused by mistaken entry of people are prevented; compared with traditional manual monitoring, the intelligent monitoring and judging system has the advantages that the workload of manual early warning is reduced, and the monitoring accuracy is improved.

The invention discloses a building locating system with an emergency evacuation function. The system comprises a server, a remote control terminal, and a plurality of infrared video cameras arranged on the interior wall. The server comprises a signal receiving module, a face recognition module, a storage module, a control module, and a wireless communication module. A plurality of temperature sensors and a plurality of smoke sensors are arranged on the interior wall. The system can effectively guide indoor personnel to evacuate and escape through the best route in the case of fire, avoid confusion, and effectively improve the escape probability of people in the case of fire.

The invention discloses a fire alarm control system which comprises a master controller, a wireless communication module and a power module, wherein the wireless communication module is connected with the master controller; the input end of the master controller is connected with a signal acquisition module and a camera; the output end of the master controller is connected with a water spray suppression device, a guiding system, a broadcasting system and a scavenger fan; the guiding system is connected with an indicator lamp module; the broadcasting system is connected with a loudspeaker box; the wireless communication module is connected with a monitoring host; the signal acquisition module, the camera, the guiding system and the broadcasting system are arranged at the stairway in the building; the water spray suppression device is arranged at the top in the building; the scavenger fan is arranged on the wall and communicated with the outdoor; the monitoring host is arranged in the residential area monitor room. The fire alarm control system can be used for indicating the safe escape direction and displacing the dense smoke outdoors through the scavenger fan while reducing the fire by the water spray suppression device, and has the advantages of high control reliability, high working stability, long service life, strong practicability, good using effect and convenience in popularization and use.

The invention relates to a valve mechanism of a switch cabinet, comprising a middle clapboard, fixed pulleys, ropes, upper and lower valves and lower valve operating mechanisms which are fixedly arranged on cabinets at the left and right sides of the middle clapboard and are connected with the lower valve, wherein each lower valve operating mechanism comprises a master connecting rod with one end rotatably arranged on the cabinet at the left or right side of the middle clapboard, a resetting device which is arranged between the cabinet and the master connecting rod and realizes resetting of the master connecting rod driven by external force to rotate, a handcart force applied portion which is arranged on the master connecting rod and is used for a push board of the handcart to apply force to the master connecting rod so as to drive the master connecting rod to rotate, and a slave connecting rod with one end hinged with one end of the lower valve at the same side and the other end hinged with the other end of the master connecting rod; and driven by the master connecting rod, the slave connecting rod drives the lower valve to move up and down. The valve mechanism has simple structure, long service life and good synchronicity.

The invention discloses full-automatic multi-trim-strip sewing equipment. The full-automatic multi-trim-strip sewing equipment comprises a sewing device, wherein the sewing device comprises a multi-needle sewing machine, a trim-strip feeding device, a first work platform, an upper tug assembly and a lower tug assembly. The full-automatic multi-trim-strip sewing equipment is characterized by further comprising a feeding device, and lower tugs of the lower tug assembly are driving wheels. The feeding device comprises a discharging table assembly, a feeding table assembly, pressing foot assemblies, and a pressing foot two-stage driving assembly. A discharging panel of the discharging table assembly is arranged on a discharging shelf in a way of moving front and back, and a feeding table panel of the feeding table assembly is fixedly arranged on a feeding table mounting shelf. The feeding table surface is communicated with a first panel and a discharging panel of the first work platform. The pressing foot assemblies comprise pressure feet. The pressure feet are arranged above the discharging panels, a feeding table panel, and the first panel in a way of moving left and right through the pressing foot two-stage driving assembly, and are used for delivering fabric of to-be-sewed trim-strips located on the discharging panel to the first panel through the feeding table panel after pressing the fabric.

The invention relates to an air traffic control system and an operation method thereof based on virtual pathfinders. First, permitted fairways, courses, taxiways, as well as gate positions for the scheduled flights going in or out of the control area and the air data of the flights on the fairways are inputted into a three-dimensional electronic map; a controller selects corresponding flight courses for the flights on the electronic map according to the flight schedule, forming a prearranged flight plan. The system builds up a virtual pathfinder for each flight on a computer, reckons the travel position of the virtual pathfinder at each second and shows the actual position of the plane through the current control system. The system makes constant comparison and once the actual position of the plane does not accord with the virtual position and the offset goes beyond the value of a set offset alarm, the system gives an alarm. The invention can improve the utilization rate of the courses, reduce waiting time of the plane in the air and greatly reduce the work loads of the controller and the pilot.

The invention discloses a splicing type movable safety rail. The splicing type movable safety rail comprises two vertical pillars and a telescopic rail body connected between the two vertical pillars, the telescopic rail body is composed of a plurality of crossed hinged handrails, and each vertical pillar comprises a base and a pillar body which is vertically and fixedly connected to the base; a plurality of truckles are hinged to the lower portion of each base, containing grooves are formed in the tops of the truckles, supporting rod assemblies are arranged in the containing grooves, supporting grooves are formed in the external side faces of the bases, and magnets are further fixedly arranged on the external side faces of the bases; and at least one length-adjustable locking plate assembly is hinged to at least one side of one of the pillar bodies, locking pillars are arranged on the corresponding positions of the other pillar body, a self-fixed notch and a joint-fixed notch which can be matched with the corresponding locking pillar are formed in a telescopic part of each locking plate assembly. According to the splicing type movable safety rail, splicing, disassembly and assembly can be rapidly conducted, and the unfolded rail is convenient to transfer and move; the splicing type movable safety rail is wide in applicable occasion and high in anti-falling performance; and the arrangement time is shortened, working efficiency is improved, manpower cost is reduced, and accidents are effectively prevented.

An intelligent washing machine door cover safety system and method are characterized in that the intelligent washing machine door cover safety system comprises a controller, a fingerprint identifier, a motor driving module, a detection module, an electromagnetic locking module, a fingerprint and digital code data storage module, a touch display screen and a battery power supply module, the controller is connected with the fingerprint identifier, the motor driving module, the detection module, the electromagnetic locking module, the fingerprint and digital code data storage module, the touch display screen and the battery power supply module, and the battery power supply module is connected with the controller, the fingerprint identifier, the motor driving module, the detection module, the electromagnetic locking module, the fingerprint and digital code data storage module and the touch display screen. The intelligent washing machine door cover safety system and method realize fully automatic opening and closing of a washing machine door cover, have the function of identifying the user identity through fingerprints and digital codes, guarantee safety of clothes, have the automatic door cover locking and closing function, and guarantee personal safety of children.

The invention discloses a 24 KV central-positioned switchgear that includes a cabinet (1), a relay instrument room (21) pisitioned on top of the handcart room (18), a busbar room (19) and a cable room (20) positioned on back side of the handcart room (18), the cable room (20) is positioned under the busbar room (19), the main busbar (10) is extracted with two branck busbars (9) that connected with an upside bush (8) by support of a support insulator (3), a downside electric-shock case (15) is connected with a current transformer (4) disposed in the cable room (20), the upper and lower metal valve corresponds to upper and lower electric-shock case (8) in the handcart room (18), a handcart (13) is disposed on guide rail (22), the upper and lower bush (16) on forehead of the handcart (13) implements disconnection and connection with the upper and lower electric-shock cases (8,15) along with movement of the handcart, an interlock structure is provided between the handcart (13) and a groundswitch operation shaft (7).

The invention provides a grouping method of unmanned buses. By means of road cameras and station in-and-out records, a road requirement is monitored in real time, and analytical prediction is performed according to information supplied by a traffic department, thereby generating a unmanned bus grouping requirement. A computer generates a grouping instruction according to the grouping requirement and transmits to a junction station, and the junction station dispatches the unmanned buses to leave. In the operation process of the unmanned buses, an environment sensing system which is loaded in ahead vehicle senses a series of peripheral information and transmits to an on-vehicle computer for analysis and transmitting a behavior instruction. The subsequent vehicle simplifies a series of complicated sensing analysis processes and mainly depends on communication transmission with the head vehicle for receiving and executing the instruction.

The invention relates to an unmanned aerial vehicle railway slope monitoring and early warning system and method. The method comprises the following steps: acquiring and processing unmanned aerial vehicle high-definition images and laser point cloud data; determining the condition of a slope area; obtaining regional topographic data (DSM) and regional image data (DOM), and constructing a regional three-dimensional model; carrying out oblique photography data acquisition and three-dimensional surface real scene reconstruction, and high-density unmanned aerial vehicle laser point cloud data acquisition and three-dimensional surface real scene reconstruction; based on the high-precision three-dimensional earth surface real scene, extracting slope data; and carrying out on-site slope detection and early warning based on the slope data of the point cloud. Through the combination of the unmanned aerial vehicle and the laser radar equipment, the monitoring precision is improved, the measurement automation and non-contact measurement are realized, the cost is reduced, and the labor investment is reduced.

The invention discloses a station staff anti-entering area modeling method based on UWB, the method comprises the following steps: acquiring and recording ID information of the station staff and the coordinates of a task destination, and binding the ID information with a UWB label; acquiring the preset active area authority according to the ID information; extracting the location information of the UWB label of the station staff in real time based on the UWB positioning technology and obtaining a path reaching to the destination coordinates; providing the station staff with voice indication inthe path travel direction, and when the station staff does not have the area authority corresponding to the location information of the UWB label, issuing a voice warning prompt; if the station staffdoes not return to the authority area within a preset time range, closing an electronic fence of the current area where the station staff are located, and issuing an alarm message by a center console. According to the method in the invention, the real-time location dynamics of the station staff can be accurately obtained by using the UWB positioning technology so as to prevent the station staff from mistakenly entering a dangerous area or a non-authorized area in the substation, thereby facilitating improvement of the construction safety, and more reliable and timely on-site maintenance workcan be realized by combining the electronic fence.

The invention discloses a telescopic barrier gate capable of increasing the safety performance. The telescopic barrier gate comprises a case and a gate rod, wherein the gate rod can be rotationally arranged on the case; the gate rod comprises a main rod of which the inner part is hollow and an auxiliary rod which is arranged in the main rod in a sliding way; an electromagnet is fixedly arranged in the main rod; the electromagnet is connected with an iron core through a spring; the iron core is fixedly arranged on the auxiliary rod; the case is provided with an electromagnet controller which is used for electrifying the electromagnet and a sensing device which is used for sensing a vehicle; the electromagnet controller is electrically connected with the sensing device. According to the telescopic barrier gate disclosed by the invention, by setting the gate rod into the main rod and the auxiliary rod which are in mutual sliding connection and realizing back-and-forth movement through the electromagnet, the iron core and the spring, the auxiliary rod is enabled to always contract in the main rod during upward rotating and downward rotating processes of the gate rod, passengers, especially children, are prevented from being injured by the aside gate rod in upward rotating or downward rotating when passing through a pedestrian passageway nearby the gate rod, and possible potential safety hazards are greatly reduced.

The embodiment of the invention discloses an authentication method and apparatus and an electronic device. After a client initiates an authentication request, the client is authenticated, an access point is also authenticated, namely bidirectional authentication is carried out, when both of the client and the access point pass the authentication, the client is associated with the access point, so as to effectively avoid the client accessing an illegal access point by mistake, and improving the security of the client.

The invention discloses a transformer substation inspection system based on a mobile terminal. A inspection worker holds a mobile terminal by hand to plan an inspection path and perform inspection service, the mobile terminal and an inspection server perform information interaction through a communication module, the mobile terminal transmits the planned path of the inspection worker, access controller authority application information and inspection service information to the inspection server, and the inspection server positions the inspection worker according to the information transmittedby an RFID reader-writer, and controls an electromagnetic access controller and an illumination lamp to be turned on or turned off. Path planning, authority application and inspection service are performed by holding the mobile terminal by hand; real-time information interaction is performed with the inspection server, and the inspection efficiency is improved; an RFID electronic tag is positionedthrough a positioning module; a worker at a control center can conveniently know the inspection progress; the electromagnetic access controller can be controlled through an access controller controlmodule, and the phenomenon that life safety of the inspection worker is threatened due to the fact that the inspection worker enters a dangerous zone by mistake is avoided.

The invention relates to the technical field of agricultural devices, in particular to a rice airing and collecting device suitable for a rural small cement airing field. In order to solve the technical problems that heavy dust exists on the surface of an open-air cement airing field, dust is prone to being mixed with rice in the collecting process, the secondary cleaning process is needed, the rice is collected and gathered by a shovel in a single direction and the gathering amount is small, the rice airing and collecting device suitable for the rural small cement airing field is provided. The rice airing and collecting device comprises a material guide back plate. A horizontal shovel plate is connected with the surface of the material guide back plate. By means of the rice airing and collecting device, rice at the two ends of the horizontal shovel plate is scattered to the two sides by thrust, the scattered rice is guided to one side of a gathering plate again under the effect of anarc-shaped groove, the gathering effect is improved, and the rice gathering amount is increased when the rice is shoveled and gathered.

The invention discloses an electric field manhole door safety device for an electric-bag dust collector. The electric field manhole door safety device comprises a first detection element and a first control element, wherein the first detection element is used for detecting the locking state of a door lock of a manhole door, and transmitting a detected locking state signal to the first control element; the first control element is used for receiving the locking state signal, judging the state of the door lock of the manhole door, and controlling a high-voltage power loop of the electric-bag dust collector to be turned off when the door lock of the manhole door is in an open state. According to the electric field manhole door safety device, when the door lock of the manhole door is opened, a high-voltage electric field is automatically turned off, so that a field maintainer can be prevented from mistakenly entering the electric field when the electric field normally works, the safety accident rate is lowered, and the safety performance of the electric field is improved. The invention also discloses the electric-bag dust collector comprising the electric field manhole safety device and an electric field manhole safety device-based safety detection method.

The invention discloses a high-definition railway line safety monitoring system based on laser positioning. The monitoring system comprises a laser ranger, a control unit, a camera and a rotating platform, wherein the laser ranger, the control unit, the camera and the rotating platform are electrically connected in sequence. The laser ranger is mounted according to the actually required height. The control unit comprises a single chip microcomputer and a video output device. The camera is located on the rotating platform. The monitoring system can judge target pedestrian positions and conduct alarming reminding, and also can obtain pictures of pedestrians so that the pedestrians can be warned or punished afterwards for behaviors.

The invention discloses an LED sound-light alarm device, and belongs to the technical field of power safety protection. A solved technical problem is to provide the LED sound-light alarm device which can protect an electric power worker working in a dangerous region from electric shock. An employed technical scheme is that the device comprises an LED lampshade; the bottom of the LED lampshade is connected with a pedestal; the LED lampshade comprises an outer housing, an inner housing, and a reflecting cover; the outer wall of the pedestal is provided with a power input connector and a power switch; the interior of the pedestal is provided with a sound-light alarm circuit board; the outer wall of the top of the pedestal is provided with an LED light-emitting lamp board; the top of the inner housing is provided with an induction chip and a loudspeaker; the sound-light alarm circuit board comprises a power circuit, a control circuit, a boost circuit, a voice alarm circuit, and a power input terminal A1; and the device is suitable for the power field.

The invention relates to an intelligent electronic lock system on the basis of wireless communication, in particular to a special electronic lock system for monitoring and controlling a cabinet door of a high voltage switch cabinet. The intelligent electronic lock system comprises a distance management workstation, a local area network (or a GPRS (General Packet Radio Service) wireless network), a substation management system, a wireless centralized controller and wireless remote control electronic locks. The distance management workstation can monitor the state of the electronic lock in real time and send out an unlocking command; data of the state of the electronic lock and the command is transmitted by the local area network (or the GPRS wireless network); the substation management system is mainly used for implementing in-place management and is connected with the wireless centralized controller by a 485 bus to form a one-master multi-slave type field bus system; the wireless centralized controller is communicated with the wireless remote control locks in a wireless networking mode; each wireless remote control lock has a respective identification ID (Identity) number; the wireless remote control electronic locks do not need an external auxiliary power supply; an unlocking mechanism can be operated directly by a high-energy lithium battery of the unlocking mechanism so as to implement opening of the cabinet door and monitoring on the state of the cabinet door.