Wiring system with free movement function applied to elevated line system
A technology of mobile function and wiring system, which is applied in the installation of cables, electrical components, installation of lighting conductors, etc., to ensure electrical performance, increase economic benefits, and solve the effects of lightning strike disconnection
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Embodiment 1
[0022] Wiring systems that are used in overhead line systems and have free movement functions, such as figure 1 As shown, it includes a lightning overvoltage protector, an insulator 17, a bracket device and a beam 16, the lightning overvoltage protector is fixed on the bracket device through a first bolt 11, and the insulator 17 is fixed through a bolt set 15 and a bracket The device is fixed on the crossbeam 16; the support device includes a secondary support 10 and a main support 12, the main support 12 is L-shaped, and a long hole 14 is provided on its long side, and its short side is fixed on the On the beam 16 ; the sub-support 10 is L-shaped, its long side is fixed to the lightning overvoltage protector through the first bolt 11 , and its short side is fixed to the elongated hole 14 through the second bolt 13 .
[0023] When in use, the lightning protection overvoltage protector, support device, insulator 17 and beam 16 are assembled and the beam 16 is connected to the t...
Embodiment 2
[0025] This embodiment is further optimized on the basis of the above embodiments, such as figure 1 As shown, the lightning overvoltage protector includes an upper gasket 1, a lower gasket 2, a nut 3, a screw 4, a joint 5, and a current limiting element 9, and the joint 5 is arranged on the top and bottom of the current limiting element 9, The joint 5 at the bottom of the current limiting element 9 is fixed on the long side of the sub-support 10 by the first bolt 11; at the top of the current limiting element 9, the lower gasket 2 is placed on the top surface of the joint 5, and the upper gasket 1 It is arc-shaped, and the inner arc of the upper gasket 1 is opposite to the top surface of the lower gasket 2 , and the upper gasket 1 and the lower gasket 2 are fixed on the joint 5 through the nut 3 and the screw rod 4 .
[0026] In use, the wire 13 passes between the upper gasket 1 and the lower gasket 2 and is fixed by it. Since the upper gasket 1 is arc-shaped and the clamp spa...
Embodiment 3
[0028] This embodiment is further optimized on the basis of the above embodiments, the current limiting element 9 is a zinc oxide current limiting element, the joint 5 is made of a conductive metal material, and the upper gasket 1 and the lower gasket 2 are made of a conductive metal Material. Zinc oxide current-limiting element with non-linear resistance characteristics is used. During the discharge process, a so-called "residual voltage" will be reserved on the zinc oxide current-limiting element (non-linear resistance). After the lightning voltage, the system works Under high frequency voltage, it can extinguish power frequency freewheeling by itself, thereby keeping the system from losing voltage, avoiding the occurrence of system voltage loss and relay protection action tripping, thereby improving the quality of power supply to ensure normal power supply, increasing economic benefits, and improving power supply reliability .
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