Gas discharge tube tripping device and signal lightning protection system
A technology of gas discharge tube and tripping device, which is applied in the direction of circuit device, emergency protection circuit device, emergency protection circuit device for limiting overcurrent/overvoltage, etc., to achieve the effect of solving actual alarm and remote monitoring
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Embodiment 1
[0030] Please refer to the attached figure 1 , is a specific structural schematic diagram of a gas discharge tube tripping device disclosed in Embodiment 1 of the present invention, and the device includes:
[0031] Base 1, three-pole gas discharge tube 2, first insert 3, second insert 4 and third insert 5;
[0032] The three-electrode gas discharge tube 2 is nested in the middle of the base 1, and the direction of the middle pin a is opposite to that of the other two pins (due to the cross-sectional view, these two pins overlap);
[0033] The lower end of the first insertion piece 3 passes through the first insertion hole of the base 1, and the upper end is bent and connected to the middle pin a of the triode gas discharge tube 2; connected to the middle pin a Afterwards, the first insertion piece itself generates a first tension force, and the first tension force makes the upper end of the first insertion piece have a tendency to move upward;
[0034] It should be noted th...
Embodiment 2
[0047] Please refer to the attached figure 2 , is a schematic diagram of the application principle of a gas discharge tube tripping device disclosed in Embodiment 2 of the present invention.
[0048] When the lightning strike current is less than the action threshold of the three-electrode gas discharge tube, the lightning strike current is discharged to the ground through the pin of the three-electrode gas discharge tube → the low-temperature welding part of the first insert → the welding position between the first insert and the printed board; In this state, the first insert maintains the normal state of a1, the third insert maintains the normal state of b1, and the second insert maintains the normal state of c1. At this time, the third insert remains disconnected from the second insert.
[0049] When the lightning strike current is greater than the action threshold of the three-electrode gas discharge tube, the lightning strike current passes through the pin of the three-e...
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