Compact explosion-proof protector
A protector, compact technology, applied in the direction of emergency protection devices, electrical components, circuits, etc., can solve the problems of the limitation of explosion-proof performance, the difficulty of realizing arc extinguishing materials, and the inability to reduce the volume, so as to achieve space saving, good flexibility and High adsorption and strong long-term stability
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[0027] Example one
[0028] The components of the arc extinguishing material in weight ratio are: 10 parts of polyamide resin or polyimide resin or silicone resin, 6 parts of anhydrous magnesium oxide, 5 parts of fumed silica, and 0.2 parts of sodium chloride.
[0029] Such as figure 1 As shown, a whole strip of melt attached with arc extinguishing material is cut into small sections, and a tin-plated copper sheet is processed into a "convex" shape as electrode 2. The width of the junction between electrode 2 and melt 1 is narrow, and electrode 2 and The melt 1 is welded together by solder beads 3 to form an electrical connection, the electrode 2 and the center line of the melt 1 overlap, and both are placed horizontally.
[0030] Such as figure 2 As shown, the encapsulation layer 4 is formed by plastic sealing outside the melt 1, a cavity is formed in the encapsulation layer 4, the melt 1 is suspended in the cavity, and there is a certain amount between the arc extinguishing materi...
Example Embodiment
[0032] Example two
[0033] The components of the arc extinguishing material in weight ratio are: 10 parts of polyamide resin or polyimide resin or silicone resin, 6 parts of anhydrous magnesium oxide, 5 parts of fumed silica, and 0.2 parts of sodium chloride.
[0034] Such as image 3 As shown, the electrode 2 is processed into a "convex" shape, and is welded to the melt 1 through solder beads 3 to form an electrical connection. The melt 1 is a winding type with an insulating fiber wire in the middle and a metal wire wound on the outside. Dip into the mixed arc extinguishing material, and then bake and solidify. The electrode 2 is perpendicular to the center line of the melt 1, and the melt 1 is placed horizontally. A part of the electrode 2 protrudes out of the encapsulation layer, and is bent into a relative right angle after processing. The bottom part is horizontal and close to the encapsulation layer. There is no contact between the "L"-shaped right angles.
[0035] The advan...
Example Embodiment
[0036] Example three
[0037] The components of the arc extinguishing material in weight ratio are: 10 parts of polyamide resin or polyimide resin or silicone resin, 6 parts of anhydrous magnesium oxide, 5 parts of fumed silica, and 0.2 parts of sodium chloride.
[0038] Such as Figure 4 As shown, the electrode 2 and the melt 1 are welded together by solder beads 3 to form an electrical connection, and then part of the melt is immersed in the arc extinguishing material and baked and solidified. The electrode 2 is perpendicular to the center line of the melt 1, and the melt 1Place it horizontally. The encapsulation layer 4 wraps the melt 1, the arc extinguishing material 7, the fixed terminals 3 on both sides, and a part of the electrodes 2 on both sides. The substrate 6 is arranged under the encapsulation layer 4, and the electrode 2 extends through the encapsulation layer 4 into the substrate 6 , And bend to both sides to extend out of the substrate, and the part extending out o...
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