Comprehensive resident water rate metering equipment and method for multi-water-resource water supply system

The invention discloses comprehensive resident water rate metering equipment and method for a multi-water-resource water supply system. The equipment comprises a flowmeter device, a real-time water rate calculating device, a water rate summarizing device and a display, wherein the flowmeter device is used for monitoring consumption of water in a recycled water main pipe, a direct drinking water main pipe, a heating medium water main pipe and a tap water main pipe in a residence in real time; the real-time water rate calculating device is used for multiplying the four types of real-time water consumption by respective preset water unit prices and adding the products in real time to acquire the real-time water rate of the current resident; the water rate summarizing device is used for summarizing the real-time water rate acquired by the real-time water rate calculating device in the current water rate statistical period in real time to obtain the used total water rate of the resident in the period corresponding