6results about How to "Avoid Electrical Accidents" patented technology

The utility model provides a distribution box for cinema projection equipment, which is applied to the technical field of distribution boxes. The distribution box comprises a door plate and a box body, the side end of the door plate is rotatably connected with the side end of the box body, the outer surface of the door plate is provided with a power button, a locking mechanism and a plurality of function buttons, the power button is connected with a circuit breaker in the box body, and the circuit breaker is connected with one end of a low-voltage power supply in the box body. The other end of the low-voltage power supply is connected with a first end of an alternating-current contactor in the box body, a second end of the alternating-current contactor is connected with a first end of a central control panel in the box body, a third end of the alternating-current contactor is connected with a corresponding function button, and a second end of the central control panel is connected with a plurality of sensors arranged in a cinema; the third end of the central control board is connected with one end of a wiring terminal in the box body, and the other end of the wiring terminal is connected with cinema projection equipment. In this way, the running efficiency of cinema equipment can be improved.

The application provides a kind of rail vehicle axle end ground wire online monitoring system, belong to ground wire online monitoring field, the system includes: multiple sensor modules, one-to-one correspondence is arranged in each steering axle ground device of rail vehicle inside, for collecting the environmental data of each steering axle ground device;Multiple processors, one-to-one correspondence is arranged in each steering axle ground device of rail vehicle inside, and each processor is connected with adjacent on-board diagnostic instrument, for receiving the environmental data collected by corresponding sensor module;Multiple on-board diagnostic instruments, one-to-one correspondence is arranged in each steering axle ground device of rail vehicle inside, for monitoring the ground wire of corresponding steering axle ground device according to the environmental data sent by corresponding processor and the environmental data sent by adjacent processor.The rail vehicle axle end ground wire online monitoring system provided by the application can improve the reliability of ground wire online monitoring.

The utility model relates to the technical field of lamps, and provides a floor lamp with a switch at the top, which comprises a base and a carrier, the carrier is mounted on the base, clamping grooves are arranged on multiple side surfaces of the carrier, LED lamp strips are clamped in the clamping grooves, a fixing cover is clamped at one end of the carrier far away from the base, a clamping block is arranged on the fixing cover, and the switch is arranged on the clamping block. A through hole penetrating through the two ends of the carrier is formed in the center of the carrier, a round hole is formed in the clamping groove, a USB charging line used for providing power is placed in the through hole, the USB charging line penetrates through the round hole and extends out of the carrier, a circuit board is installed on the fixing cover, the output end of the USB charging line is electrically connected with the circuit board, and a power line is connected between the circuit board and the LED lamp strip. A touch switch is arranged on the fixing cover, the touch switch and the circuit board are integrally arranged, and the LED lamp strip and a light-transmitting plate are clamped in the clamping groove. According to the utility model, if a user needs to control the floor lamp, the user can directly touch the control switch above the carrier with a hand without bending down effortlessly and treading with feet.

The application discloses a kind of based on digital ray technology's transmission line strain clamp nondestructive testing method, it is related to transmission line strain clamp detection field, method includes: collection strain clamp radiographic image and geometric dimension, stress and so on multidimensional parameter, data fusion is carried out by hypergraph structure, multidimensional heterogeneous strain clamp analysis model is calculated and analyzed in edge side using optimized hypergraph neural network and edge computing gateway, to visualize presentation detection result in the form of double screen linkage, while realizing intelligent diagnosis and defect early warning;The application provides an efficient, accurate and reliable solution for the intelligent operation and maintenance of transmission line strain clamp, effectively improves the safe operation level and operation and maintenance efficiency of power grid.

The invention discloses a power distribution box with a temperature sensing function and a use method thereof, and relates to the technical field of power distribution boxes, the power distribution box comprises a bottom plate, the top of the bottom plate is fixedly connected with a base, the top of the base is fixedly connected with a box body, the front side of the box body is hinged with a box door through hinges, the box door is fixedly connected with a handle, and the handle is fixedly connected with the power distribution box. A heat dissipation mechanism is arranged in the box body, a moisture-proof mechanism is arranged in the box body, and a buffer mechanism is arranged in the base. Through the heat dissipation mechanism, the temperature in the distribution box can be monitored, when the temperature exceeds the standard, heat dissipation is carried out on the interior of the box body through a water cooling mode and an air cooling mode, power utilization accidents caused by too high temperature in the distribution box are prevented, through the damp-proof mechanism, the interior of the box body is kept dry, and the service life of the box body is prolonged. And the moisture-proof box is very convenient to mount, so that the use convenience of the device is improved.

This utility model relates to the technical field of lifting power cords, specifically a novel lifting power cord, comprising: an inner core and an outer inner sheath, with an outer sheath fitted over the outer wall of the inner sheath; a reactive wire forming a closed loop is installed inside the outer sheath, the reactive wire being a metal wire made of a conductive material, and the closed loop having a power inlet; a portion of the reactive wire in the closed loop is distributed along the axial direction of the outer sheath; the tensile strength of the reactive wire is between the tensile strengths of the inner core and the outer sheath; the outer sheath also incorporates a sensing component for detecting the breakage of the closed loop. In this utility model, when the lifting load of the lifting power cord gradually increases to the warning line, the breakage of the reactive wire can warn workers, preventing the lifting power cord from breaking due to the increased load.