5results about "Active discharge triggering" patented technology

The invention provides a lightning fire risk comprehensive monitoring and prevention and control integrated device, and relates to the field of forest fire prevention. The integrated device comprises a supporting device, an adjusting device, a prevention and control device and an energy storage device, the adjusting device is arranged at the top end of the supporting device, the prevention and control device is arranged on the side wall of the adjusting device in a sliding mode, and the energy storage device is arranged at the top end of the prevention and control device. The supporting device comprises a first fixing plate, a fixing rod is fixedly connected to the middle of the top end of the first fixing plate, a first motor is fixedly connected to the front side of the middle of the top end of the first fixing plate, and a first lead screw is rotationally connected to the top end of the first motor. Through the arrangement of the supporting device, the soil environment is effectively monitored, the generation condition of the lightning fire can be rapidly judged, through the arrangement of the adjusting device and the prevention and control device, timely prevention and control of thunder and lightning are effectively achieved, and through the arrangement of the energy storage device, energy is saved. And the device can be effectively ensured to continuously and normally operate in a forest environment without sunlight or with unstable power supply.

The application is suitable for the technical field of over-voltage protection device of super-high voltage and extra-high voltage transmission system, and provides a controllable arrester based on self-triggering air-gap switch, which comprises an arrester fixed part, an arrester controllable part, a bypass capacitor high-voltage part, a bypass capacitor low-voltage part, an air-gap switch and an intermediate bridge valve group; the arrester fixed part, the arrester controllable part, the bypass capacitor high-voltage part, the bypass capacitor low-voltage part and the intermediate bridge valve group form an electric bridge structure, and the air-gap switch is connected in parallel with the bypass low-voltage part; the capacitance ratio of the bypass capacitor low-voltage part to the bypass capacitor high-voltage part is less than the rated voltage ratio of the arrester fixed part and the arrester controllable part. The short circuit of the arrester controllable part is realized through the cooperation of electrical parameters, the over-voltage can be protected in time, the influence caused by the dispersion of the air-gap switch action is avoided, a complex control system is not needed, and the device is less and the structure is simple.

The subject of the invention is a lightning rod with a lightning protection system isolated from the protected facility, equipped with a power supply and control unit monitoring its head, which is characterized by the lightning rod head (1) consisting of a metal cylindrical housing (2) with an upper bottom (4), detachably connected to the blade (6), inside which its symmetry axis, there is an initiating system (7) entwined with the upper helical part (8) of the optical fiber (9.9'), electrically connected to this blade (6), and with the other end through the spark gap (15) electrically connected with the upper surface of the metal profile connector (17) and mechanically - inseparably with the sleeve shoulder (18) with the axial hole (29) of this connector with two through holes (27 and 28) made in it opposite the axial hole (29), in which both lower ends (8') of the spiral part (8) of the optical fiber (9, 9') are placed, and its further parts through the hole in the metal the connecting sleeve (35) and the through hole (39) of its bottom (37) and through the hole of the two-piece mast (42) and the through hole (56) of the metal tubular element (45) of this mast go out so that one end of the optical fiber (9, 9') is located opposite the LED light transmitter (57) of the power supply, control and monitoring unit (58) and the other end of this optical fiber is opposite the LED light receiver (59), while the insulated end (64) is connected to the connecting sleeve (35) of the insulated high voltage wire (65), the lower end of which is embedded in the ground (67) and connected to earthing (68) .

This lightning conduction device comprises a protruding needle 11, intermediate conductors 12, a lowest-section conductor 13, and switch units 20. The protruding needle 11, N intermediate conductors 12, and the grounded lowest-section conductor 13 are connected in the sky direction with N+1 switch units 20 interposed therebetween. By turning all of the switch units 20 ON, the protruding needle 11 and all of the intermediate conductors 12 are instantly grounded.

The invention discloses a multistage buffering lightning protection circuit device and a mobile terminal, and relates to the technical field of circuit lightning protection. The device specifically comprises a trapping device, a voltage protection module, a first-stage buffer circuit and a second-stage buffer circuit, the voltage protection module is electrically connected with the second end of the trapping device, and the voltage protection module is used for suppressing transient overvoltage of thunderstorm cloud; the first-stage buffer circuit is electrically connected with the voltage protection module, and the first-stage buffer circuit buffers and stores the lightning current as first-stage current; and the second-stage buffer circuit is electrically connected with the first-stage buffer circuit, converts and stores the first-stage current into second-stage current, and outputs the second-stage current to a connectable terminal device. The lightning guide line is arranged in a strong electric field area, and lightning energy is buffered and absorbed step by step by using a hierarchical circuit topology, so that equipment is prevented from being punctured by instant overvoltage, and active safety protection is realized.