Design and Research of Intelligent Community Management System Based on Intelligent Internet of Things

Table 1

Lamp cost comparison.

Power (W)	Lamp/component	Working life (h)	Unit price (yuan)	Replacement number (per year)	Cost (yuan/year)
36	Ordinary fluorescent lamp	6000	10	1.13	12.23
	Rectifier	10,000	17	0.91	16.45
22	T5 lamp	10,000	17	0.91	16.45
	Energy-saving rectifier	30,000	68	0.29	19.40