Digital fully automatic evaporation station

Background:

Water surface evaporation as a characterization of evaporation capacity,It is an essential analysis content that must be involved in water resource assessment work,Usually on the groundE601The water surface evaporation capacity of the evaporator is used as the analysis basis. groundE601Use of evaporator,Many regions in our country originated from20century60年代初期,Accumulated already40Years of measured data,This not only provides important basis for previous national water resources surveys and evaluations,It also laid the foundation for the study of the long-term variation law of water surface evaporation.

Zhejiang Smart Reservoir Digital Fully Automatic Evaporation StationOn the basis of artificial evaporation, automatic water level change measurement, automatic overflow calculation, automatic rainfall calculation, and automatic water replenishment have been achieved, thus realizing automatic measurement of daily evaporation. Adopt in communicationGPRSWireless transmission, real-time transmission of monitoring data to the hydrological center station server, facilitating timely retrieval and viewing of data by various units.

Zhejiang Smart Reservoir Digital Fully Automatic Evaporation StationTypical Applications

Can be applied to any ground that needs to be monitored, such as rivers, reservoirs, agriculture, environmental protection, hydrology and water conservancy, fields, lakes, swamps, etc/The place where water evaporates.

Calculation formula for fully automatic water surface evaporation station:

evaporation=(Starting value of water level in the evaporator tank)-Measurement value of water level in evaporation tankX1.15+precipitation-Overflow flow

The above equation can be simplified as:

Composition of the fully automatic water surface evaporation station system:

1.The evaporation station is mainly an electromechanical integrated device composed of a digital water level measurement system and an electrical control device with a single-chip computer as the core. It is used to detect the water level of the evaporation tank, control the action of the pump and drainage valve. The evaporation meter and collector are connected through the internal systemRS-485Communication bus communication.

2.The water level gauge consists of a static water tank, a photoelectric rotary encoder, a float, a balance weight, a circular steel wire rope hanging wheel fixed on the rotating shaft of the photoelectric rotary encoder, as well as a protective cover and base for the photoelectric rotary encoder.

3.The relay that controls the water pump and electric valve is inside the collector. When the relay is closed, the water pump or electric valve starts working, and when the relay is disconnected, it stops working.

4.The static water tank of the evaporation station is buried in the soil at the observation site. The lower part of the static water tank is connected to the evaporation tank through a connecting pipe, forming a connected structure with the evaporation tank to achieve synchronous changes in the water surface of both.

5.The rain gauge adopts0.1mm/minResolution, its basic principle is a double tipping bucket mechanical type, and the output signal isrs485

6.The power supply part adopts high-power solar panels and65AHThe power supply method of lead-acid batteries ensures uninterrupted automatic power supply.

7.The overall structure is grand, beautiful, and sturdy.