Outdoor monitoring device
A monitoring device and housing technology, applied in the direction of coating, furnace type, hot-dip plating process, etc., can solve the problems of harsh outdoor environment, no protective parts, etc., to improve the adhesion of zinc layer, improve strength, improve corrosion resistance sexual effect
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Embodiment 1
[0030] An outdoor monitoring device, the transmission glass of the monitoring device is made of calcium aluminate glass, and the shell of the monitoring device is made of electrogalvanized steel plate;
[0031] The calcium aluminate glass contains: aluminum oxide: 39%, calcium oxide: 39%, barium oxide: 11%, sodium oxide: 1.1%, potassium oxide: 2.3%, magnesium oxide: 3.2% by weight percentage of oxide components. %; antimony oxide: 4.3%, impurity 0.1%;
[0032] The composition of the electro-galvanized steel sheet is calculated by weight percentage: C: 0.026%, Si: 0.33%, Mn: 0.65%, Ti: 0.09%, Nb: 0.06%, Als: 0.068%, RE: 0.069%, P : 0.005%, S: 0.002%, N: 0.002%, the balance is Fe and unavoidable impurities.
Embodiment 2
[0034] The calcium aluminate glass using the components of Example 1 is melted and casted, and then tempered after quenching. The calcium aluminate glass is subjected to cryogenic treatment at -96°C after tempering, and then quenched and tempered again in sequence. fire treatment.
Embodiment 3
[0036] The preparation steps of the electrogalvanized steel sheet adopting embodiment 1 component content comprises:
[0037] 1) According to the composition of the electro-galvanized steel sheet in Example 1, it is smelted and cast.
[0038] 2) Hot rolling, the initial rolling temperature is 1090°C, and the final rolling temperature is 880°C.
[0039] 3) Water cooling and coiling, the coiling temperature is 710°C.
[0040] 4) Cold rolling, cold rolling is divided into 8 rolling passes, and the reduction rate of each pass is 20.
[0041] 5) Annealing, heat the semi-finished product after cold rolling to 890°C in the annealing furnace, then cool it to 610°C in the furnace, and then take it out of the furnace and air cool it to room temperature.
[0042] 6) Surface treatment, the surface treatment is alkali washing - pickling - degreasing - rinsing.
[0043] 7) Zinc electroplating, the concentration of zinc sulfate in the electroplating solution is 108g / L, and the temperature...
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