Portable DC test discharge rod
A DC test and discharge rod technology, applied in the direction of measuring electricity, measuring electrical variables, components of electrical measuring instruments, etc., can solve the problems of difficult control, personal safety threats, affecting the discharge process, etc., and achieve safe use and quick length adjustment. , the effect of high withstand voltage value
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Embodiment 1
[0018] The portable DC test discharge stick of the present invention comprises a retractable body 20, a conductive needle 10 arranged at the end of the body 20, a discharge socket 30 arranged on the body 20; and a discharge insulating wire 40, the discharge insulating wire 40 is provided with a discharge plug 41 at one end and a grounding clamp 42 at one end.
[0019] The body 20 includes a bottom sleeve 21, a middle sleeve 22 and an upper sleeve 23. The bottom sleeve 21 is provided with a screw rod 211 equal to the length of the bottom sleeve 21, and the middle sleeve 22 is provided with the middle sleeve 22, etc. Long hollow connecting rod 221, the upper sleeve 23 is provided with a hollow screw rod 231 equal in length to the upper sleeve 23, the screw screw rod 211 is provided with external threads, the hollow screw rod 231 is provided with internal threads, and the hollow connecting rod 221 The inner and outer surfaces of the hollow connecting rod 221 are threaded, and the...
Embodiment 2
[0023] This embodiment has the same structure as Embodiment 1 except the following features:
[0024] The insulating tube of this embodiment is provided with a resistance element, and its capacity is relatively large.
[0025] The main body 20 is kneaded by the following components by weight: 100 parts of ethylene propylene rubber, 40 parts of chlorinated polyethylene, 10 parts of zinc oxide, 26 parts of aluminum hydroxide, 30 parts of kaolin, 20 parts of zinc borate, 20 parts of calcium carbonate parts, 5 parts of vinyltrisilane, and 34 parts of plasticizer.
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