8results about How to "Improve safety warning effect" patented technology

The utility model discloses a kind of safety warning devices for mine safety, including mounting seat, the top of mounting seat is rotatably connected with warning light by bearing, detachably mounted with protective cover in the outside of warning light in the top of mounting seat, and the top of protective cover is installed with dust cover, the central shaft end portion of warning light base is passed through mounting seat and is fixedly connected with mounting frame, speaker is detachably installed in mounting frame, the bottom of mounting seat is symmetrically fixedly connected with fixed rod, and the bottom of fixed rod is fixedly connected with support plate, the bottom center of support plate is fixedly installed with driving motor, and the central shaft end portion of driving motor is fixedly connected with mounting frame by passing through support plate, the utility model has the beneficial effects: the utility model can realize the double warning of vision and hearing, and rotation of warning light and speaker can be controlled in warning, the coverage range and propagation effect of sound warning are enhanced, and protective cover is installed conveniently and quickly, and it is convenient to disassemble and replace, improve the maintenance efficiency of device.

The utility model belongs to the technical field of channel warning, and discloses a port channel safety warning device which comprises a warning mechanism which comprises a floating plate capable of floating on the water surface, a balance rod installed below the floating plate, a balancing weight installed below the balance rod, a rotatable lamp box arranged above the floating plate, and a light source arranged in the lamp box. Compared with the prior art, the floating plate structure has the advantages that the warning mechanism is designed, the floating plate structure is arranged on an open water surface before a ship enters a navigation channel, when wind blows, the rotating blades on the top of the lamp box drive the lamp box to rotate synchronously, and therefore the ship can be warned. The warning lamps on the four sides alternately face different directions to achieve dynamic indication, compared with a traditional ashore warning device, the mechanism warns on the water surface of a channel entrance in advance, a ship can be seen from a long distance, sufficient time is provided for a driver to adjust the course, and the dynamic warning lamps have more visual impact force and can rapidly attract attention in the complex port environment at night.

The invention discloses a face recognition access control system device based on intelligent digital registration, and relates to the technical field of information security, the face recognition access control system device comprises a personnel recognition unit, a personnel release unit and a background service unit; the personnel identification unit comprises a binocular camera, a face identification module, a feature extraction module, a data analysis module and a communication module; the binocular camera is in one-way connection with the face recognition module; the face recognition module is in one-way connection with the feature extraction module; the feature extraction module is in one-way connection with the data analysis module; the data analysis module is in one-way connection with the communication module; according to the system, the binocular camera is used for human face recognition, the position and angle of the human face can be accurately recognized under various light conditions and complex backgrounds through the stereoscopic vision principle, compared with a monocular camera, the binocular camera has higher adaptability and stability, and the safety and recognition accuracy of the system are greatly improved.

The utility model provides a warning device for building construction, which belongs to the technical field of building construction and comprises a shell, a warning device and a warning device. The sliding block is connected into the shell in a sliding manner; the rack is fixedly connected to the lower end of the sliding block; the warning board is fixedly connected to the upper end of the sliding block; the base is fixedly connected to the lower end of the shell; the circular hole is formed in one side end of the shell; the hollow groove is formed in the circumferential inner wall of the circular hole; each locking mechanism comprises a toothed plate, a connecting rod, a limiting block, a hollow rod, a spring and a sliding groove, the toothed plate is located in the shell, when the sliding block ascends and the rack is in a semi-suspended state, the connecting rod is reversely twisted to enable the device to restore, the toothed plate continues to be meshed with the semi-suspended rack, the sliding block is limited, and therefore the height of the warning board can be increased; the use at night is facilitated, the use effect is improved, and the construction safety is enhanced.

The utility model relates to a kind of automatic cover plate opening and closing warning devices of fan tower platform.It includes the lifting type warning light being set in the four corner position of platform window and the multiple cover warning lights being installed on the inner side surface of platform cover plate, further include controller and platform above position sensor and platform below position sensor, each lifting type warning light, each cover warning light and position sensor are connected with controller;Lifting type warning light includes external cylinder and the internal cylinder in its inside, top cover plate with top window in middle portion is installed in the top of internal cylinder and top LED module is installed, side window is provided in the side of internal cylinder and side LED module is installed, electric push rod for driving top cover plate to lift is installed in the inside of external cylinder.The utility model produces necessary safety warning effect in the process of platform cover plate opening and closing, prompt personnel to move away from the action area of platform cover plate, improve the safety of personnel and equipment.

The utility model discloses a kind of stacking anti-collision structures for wind power tower cylinder plate, including bottom support seat, the bottom support seat includes horizontal support plate and support leg, the support leg is evenly distributed at the bottom of horizontal support plate, for supporting entire anti-collision structure, the upper surface of horizontal support plate is equipped with antiskid rubber layer, the top of bottom support seat is provided with buffer anti-collision component, the buffer anti-collision component includes multiple buffer anti-collision units spaced apart on horizontal support plate, each buffer anti-collision unit includes fixed seat, buffer spring and anti-collision plate, the fixed seat is fixed on horizontal support plate, one end of the buffer spring is connected fixed seat, the other end of the buffer spring is connected anti-collision plate, fixed positioning component is also provided on the bottom support seat.The utility model effectively solves the problem of offshore wind power tower cylinder plate stacking anti-collision, improves the stability and security of stacking, reduces maintenance cost, with wide application prospect.

The utility model relates to the technical field of safety warning boards, and discloses a safety warning device for electric power engineering construction, which comprises a device mounting seat, four universal moving brake wheels are mounted at the bottom of the device mounting seat, and three rotating shafts are rotatably connected to the top of the device mounting seat. The surfaces of the three rotating shafts are fixedly provided with trihedral placards, an adjusting cavity is formed in the device mounting base, the bottoms of the three rotating shafts extend into the adjusting cavity and are fixedly connected with first bevel gears, the interior of the adjusting cavity is rotationally connected with a rotating rod, and the surface of the rotating rod is fixedly provided with three second bevel gears; the three second bevel gears are connected with the three first bevel gears in an engaged mode correspondingly. The safety warning device is provided with the multiple pairs of placards capable of being rotationally adjusted, and the multiple pairs of placards capable of being rotationally adjusted can be automatically spliced after being rotationally adjusted, so that the display area of the placards is increased, the display of warning slogans is facilitated, and the safety warning effect is improved.

The utility model discloses an LED safety warning tape, which belongs to the technical field of warning tapes and comprises a shell, a warning component and a transparent top plate, the transparent top plate is mounted at the top of the shell, the warning component is arranged right below the transparent top plate and comprises two lamp strips and an LED display screen, the two lamp strips are parallelly arranged on two sides of the LED display screen along the length direction, and the LED display screen is arranged on the transparent top plate. And the two lamp strips can emit red and yellow warning light. The safety warning tape has the advantages that the warning tape is installed on the matched groove formed in the floor, the safety warning tape can be installed in an embedded mode, safety warning can be conducted, safety warning slogans can be displayed, red and yellow warning light can be displayed through the arrangement of the lamp tape on the upper surface of the warning tape and the LED display screen, and the safety warning tape is convenient to use. Meanwhile, the outer surface of the lamp strip and the outer surface of the LED display screen are provided with the shell and the transparent top plate for protection, and the durability of the safety warning tape can be improved.