40results about How to "Realize no dead angle monitoring" patented technology

The invention relates to an inclination angle monitoring device. The inclination angle monitoring device comprises a dip angle monitoring sensor, a data transmission device and a power supply and is characterized in that the dip angle monitoring sensor comprises a support, a hollow ball fixed to the support, a horizontal support plate fixed in the hollow ball, a rotatable ball arranged in a spherical groove of the horizontal support plate, a light tube fixed to the upper part of the rotatable ball, a conductive vertical pendulum fixed to the lower part of the rotatable ball, a conductive inner spherical surface arranged at the lower hemisphere of the hollow ball, a light-emitting diode which is arranged in the light tube and transmits lights to a window at the top of the light tube, a spherical contact arranged at the lower end of the conductive vertical pendulum, an insulative rounded pad which is inserted in the conductive inner spherical surface and is corresponding to the spherical contact, a photosensitive element arranged on the inner surface of the upper hemisphere of the hollow ball and a time delay. The inclination angle monitoring device solves the problem that the existing tower inclination monitoring device has a single monitoring direction, realizes 360-degree blind angle-free monitoring and improves monitoring device reliability.

The invention belongs to the technical field of electromechanical monitoring, in particular to an efficient electromechanical monitoring device for expressway tunnel. The device comprises a camera, acentral controller and a fixed plate, the fixed plate is installed on the top face of the tunnel and extends in the longitudinal direction of the tunnel, an inverted-T-shaped sliding rail is welded tothe lower surface of the fixed plate, travelling wheels are connected to the two sides of the T-shaped sliding rail in a rolling mode, a U-shaped shell is arranged below the T-shaped sliding rail, adustproof cover is fixedly connected to the lower surface of the U-shaped shell, the camera is installed in the dustproof cover, a double-shaft motor is installed on the inner bottom face of the U-shaped shell, and worms are coaxially and fixedly connected to output shafts at the two ends of the double-shaft motor. The monitoring device can patrol back and forth in the tunnel, dead-corner-free monitoring in the tunnel can be achieved without arranging a plurality of monitoring devices, the cost is reduced, the monitoring efficiency is greatly improved, accident rescue and traffic organizationin the tunnel are facilitated, and safe and stable operation of the tunnel is facilitated.

The invention belongs to the technical field of electromechanical monitoring, and in particular relates to a high-efficiency electromechanical monitoring device for expressway tunnels, including a camera, a central controller and a fixed plate, the fixed plate is installed on the top surface of the tunnel and extends longitudinally along the tunnel, the The lower surface of the fixed plate is welded with an inverted T-shaped slide rail, and the two sides of the T-shaped slide rail are rollingly connected with traveling wheels. A U-shaped shell is arranged below the T-shaped slide rail, and the U-shaped shell The lower surface of the body is fixedly connected with a dust cover, the camera is installed in the dust cover, and the inner bottom surface of the U-shaped housing is equipped with a biaxial motor, and the output shafts at both ends of the biaxial motor are coaxially fixed A worm is attached. In the present invention, the monitoring device can patrol back and forth in the tunnel without setting up multiple monitoring devices, and can realize monitoring without dead ends in the tunnel, which reduces the cost and greatly improves the monitoring efficiency, which is convenient for accident rescue and traffic organization in the tunnel. It is conducive to the safe and stable operation of the tunnel.

The invention discloses a large-area friction generator and a preparation method thereof. The structure of the generator includes a thin polymer film, a conductive electrode, a support material, a support frame and inter-structure support objects. The friction energy collector and the preparation method, which are proposed by the invention, are low in cost and high in practicality; and the system is easy to manufacture and has a high-voltage output capability and a strong charging capability.

The present invention is applicable to the field of automotive electronics, and provides a panoramic video monitoring method and system for motor vehicles, which can obtain the angle between the central axis of the main vehicle of the motor vehicle and the central axis of the trailer of the motor vehicle; and confirm the monitoring according to the obtained angle The monitoring area includes multiple sub-areas, and the multiple sub-areas constitute the panoramic area of ​​the motor vehicle; the mapping from the coordinates of each sub-area in the monitoring area to the coordinates of the display screen is established; a panoramic image is generated and displayed on the display screen according to the mapping establishment result. Therefore, the monitored sub-area can be confirmed according to the angle between the main vehicle and the trailer of the motor vehicle, and the monitoring area changes dynamically with the state of the motor vehicle. The driving track line realizes the complete panorama stitching of the dynamically connected vehicles, monitors multiple or more than two dynamically connected vehicles without blind spots, and improves the accuracy of the panoramic monitoring of motor vehicles.

The invention discloses a gun body of a welding gun of a welding head. The gun body of the welding gun comprises a gun body casing, and the gun body casing is a hollow casing and is flat. A cooling system and a primary gas protection system are arranged in the gun body casing, the gun body casing is further provided with a tungsten electrode system, and the tungsten electrode system penetrates the gun body casing from the middle. A tungsten electrode in the tungsten electrode system is exposed out of the front end of the gun body casing, and the tungsten electrode on the tungsten electrode system is rotatable. The welding head is infinitely rotary, the gun body of the welding gun on the welding head can implement welding on a circumferential weld joint around the welding head in the rotating process of the welding head, and the welding quality can meet the quality requirements of nuclear power products.

The invention relates to an inclination angle monitoring device. The inclination angle monitoring device comprises a dip angle monitoring sensor, a data transmission device and a power supply and is characterized in that the dip angle monitoring sensor comprises a support, a hollow ball fixed to the support, a horizontal support plate fixed in the hollow ball, a rotatable ball arranged in a spherical groove of the horizontal support plate, a light tube fixed to the upper part of the rotatable ball, a conductive vertical pendulum fixed to the lower part of the rotatable ball, a conductive inner spherical surface arranged at the lower hemisphere of the hollow ball, a light-emitting diode which is arranged in the light tube and transmits lights to a window at the top of the light tube, a spherical contact arranged at the lower end of the conductive vertical pendulum, an insulative rounded pad which is inserted in the conductive inner spherical surface and is corresponding to the spherical contact, a photosensitive element arranged on the inner surface of the upper hemisphere of the hollow ball and a time delay. The inclination angle monitoring device solves the problem that the existing tower inclination monitoring device has a single monitoring direction, realizes 360-degree blind angle-free monitoring and improves monitoring device reliability.

The invention discloses a tungsten electrode system of a welding machine head. The tungsten electrode system comprises a tungsten electrode rod, wherein a tungsten electrode is installed at the front end of the tungsten electrode rod, and tungsten electrode threads are arranged at the rear end of the tungsten electrode rod. The tungsten electrode rod penetrates through the middle of a housing of a gun body, the front end and the rear end of the tungsten electrode rod are exposed outside the housing of the gun body, and the tungsten electrode rod can drive the tungsten electrode to rotate. The welding machine head is infinitely rotatable and can rotate in different directions in the rotation process, the defecting angle of the tungsten electrode on the welding machine head is needed to be matched with the rotation direction when the welding machine head rotates so that the rotatable tungsten electrode can quickly adjust the its angle direction to adapt to the welding machine head in rotation direction, the welding quality of the welding machine head can be improved, and welded products can meet the quality requirements of nuclear power products.

The invention discloses a rail transit comprehensive monitoring fire circuit television system based on computer vision. The system comprises a smoke color analysis unit, a smoke main movement direction analysis unit, a video dynamic texture analysis unit and a pattern recognition unit. The smoke color analysis unit obtains the color characteristic of the smoke in the video, acquires a smoke colorspectrum and filters out the interference of a non-smoke region in the video based on the video image smoke color detection method. The smoke main movement direction analysis unit calculates the movement direction of an object moving in the video based on the frame difference method and figures out the movement direction of the smoke. The dynamic texture analysis method is adopted for the dynamictexture analysis unit of the video, and the movement interference of a steel body is eliminated. Meanwhile, a local binary pattern characteristic based on three orthogonal planes is extracted in thefluid moving object. According to the invention, the alarm response speed is accelerated, and the precious rescue time is gained. The software and hardware expenditure of an original FAS professionalis saved. The integration level of the subway comprehensive monitoring software platform is improved.

The invention relates to a modularly installed intelligent lamp post, belonging to the technical field of lighting lamps, comprising a base, a sound cylinder, a control cylinder, a display cylinder, a monitoring cylinder and a lighting lamp post sequentially arranged on the upper end of the base ; A connection structure assembly is detachably arranged between the base, the sound column, the control column, the display column, the monitoring column and the lighting column; the monitoring column includes a monitoring mounting frame, which is rotatably arranged on the A monitoring unit on the monitoring installation frame, and a rotating assembly arranged on the monitoring installation frame and driving the monitoring unit to rotate. Through the connection structure components detachably arranged between the audio column, the control column, the display column, the monitoring column and the lighting column, the various structures of the lamp column can be easily disassembled and maintained.

The invention discloses a wire feeding system for a welding head. The wire feeding system comprises a wire feeding rod, a wire feeding rod support and an adjusting screw, wherein one end of the wire feeding rod support and the wire feeding rod are fixedly connected to be a whole at a predetermined angle, the other end of the wire feeding rod is fixedly connected with the adjusting screw, and thus the wire feeding rod is driven by the rotatable adjusting screw to rotate. The rotating angle of the wire feeding rod is small, so that it is convenient to control a welding wire to move in a small range, and accordingly the relative position between the welding wire and a molten pool is adjusted. The welding head is infinitely rotary, the wire feeding system on the welding head can adjust the relative position relations of the molten pool and the welding wire according to concrete working conditions of a circumferential weld joint around the welding head in the rotating process of the welding head, and thus the welding quality can meet the quality requirements of nuclear power products.

The invention discloses a large-area friction generator and a preparation method thereof. The structure of the generator includes a thin polymer film, a conductive electrode, a support material, a support frame and inter-structure support objects. The friction energy collector and the preparation method, which are proposed by the invention, are low in cost and high in practicality; and the system is easy to manufacture and has a high-voltage output capability and a strong charging capability.

The invention relates to an intelligent nursing system for a nursing home. The bending direction of a continuum robot is adjusted according to a monitoring program input in advance and sounds which are picked up by the directional microphone and exceed a set decibel, so that dead angle-free monitoring of the entire area is achieved; and the video signal is sent to the monitoring terminal of the nursing personnel through the wireless transmission device, so that the nursing personnel can simply and conveniently realize the simultaneous nursing work of a plurality of nursed personnel.

The invention relates to the technical field of auxiliary devices for medical waste recovery, in particular to an intelligent and automatic delivery and collecting station for medical waste. The station is convenient to use, the resource utilization rate is increased, and the use cost is reduced. The station comprises a container; and a weighing mechanism, a disinfection mechanism, an air purification and circulation mechanism, a tool room, a refrigeration compressor room, a water storage room, a power distribution room, a storage room and a sewage recovery tank are arranged in the container.