Self-locking surge protection device
A technology of surge protection and surge protector, which is applied in the direction of emergency protection circuit devices, circuit devices, emergency protection circuit devices for limiting overcurrent/overvoltage, etc. And problems such as cumbersome disassembly process and damage to outdoor electronic products, to achieve good protection, improve use safety, and improve operational performance
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Embodiment 1
[0035] see Figure 1 to Figure 4 As shown, a self-locking surge protection device of the present invention includes a first insulator 1, a surge protector (not shown in the figure) and a sensor (shown in the figure) installed on the first insulator 1, The sensor is used to detect the on-off of the surge protector; the first insulator 1 is also equipped with a plurality of first power terminals 2 and a plurality of first signal terminals 3, and each first power terminal 2 is provided with a first The contact part 4, each first signal terminal 3 is provided with a second contact part 5, all the first contact parts 4 and all the second contact parts 5 reveal the same side of the first insulator 1, and the first insulator 1 is provided with A plurality of concave holes 6 and a plurality of slots (not shown in the figure), the first insulator 1 is provided with a reference outer surface 7, and all the first contact portions 4 and all second contact portions 5 expose the reference o...
Embodiment 2
[0052] In this embodiment, the casing 8 includes the following components by weight: 30 parts of low-density polyethylene, 10 parts of bisphenol A epoxy resin, 12 parts of phenolic resin, 3 parts of silicone resin, magnesium sulfate whiskers 2 parts, 2 parts of nano antimony trioxide, 1 part of silicon carbide, 5 parts of superfine alumina powder, 4 parts of white carbon black, 3 parts of epoxy fatty acid butyl ester, 4 parts of phthalate, diphenyl peroxide 0.2 parts of formyl, 5 parts of polysiloxane, 2 parts of calcium lignosulfonate to obtain a mixture.
[0053] Preferably, the preparation method of the casing 8 includes the following steps:
[0054] (1) Add each component in proportion to the reaction vessel and mix evenly, heat to 90°C for 120 minutes to obtain the mixture;
[0055] (2) The mixture is extruded into a molten state, then extruded into an injection molding machine, and injection molded to obtain the casing 8 .
[0056] The rest of the content of this embod...
Embodiment 3
[0058] In the present embodiment, the casing 8 includes the following components by weight: 35 parts of low-density polyethylene, 15 parts of bisphenol A epoxy resin, 18 parts of phenolic resin, 6 parts of silicone resin, magnesium sulfate whiskers 3 parts, 3 parts of nano antimony trioxide, 2 parts of silicon carbide, 8 parts of superfine alumina powder, 8 parts of white carbon black, 6 parts of epoxy fatty acid butyl ester, 7 parts of phthalate, diphenyl peroxide 0.5 parts of formyl, 10 parts of polysiloxane, 3 parts of calcium lignosulfonate.
[0059] Preferably, the preparation method of the casing 8 includes the following steps:
[0060] (1) Add each component in proportion to the reaction vessel and mix evenly, heat to 120°C for 60 minutes to obtain the mixture;
[0061] (2) The mixture is extruded into a molten state, then extruded into an injection molding machine, and injection molded to obtain the casing 8 .
[0062] The rest of the content of this embodiment is th...
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