Energy-saving variable frequency pump control cabinet

Abstract

The invention relates to an energy-saving variable frequency pump control cabinet. The energy-saving variable frequency pump control cabinet comprises a variable frequency control cabinet, a pressure sensor and a water pump, wherein the pressure sensor is mounted on a water supply pipeline connected with the water pump; the variable frequency control cabinet is used for receiving signals of the pressure sensor to regulate the rotation speed of the water pump and comprises a cabinet body, a frequency converter, a program controller, a contact device, an intermediate relay, a thermal relay, an air switch and a main circuit wiring terminal; and the frequency converter, the program controller, the contact device, the intermediate relay, the thermal relay, the air switch and the main circuit wiring terminal are arranged in the cabinet body, the main circuit wiring terminal is connected with the frequency converter, the program controller, the contact device, the intermediate relay, the thermal relay and the air switch, respectively. According to the energy-saving variable frequency pump control cabinet, the pressure can be set according to requirements, and the rotation speed of the water pumps and the operation number of the water pumps can be automatically adjusted according to the set pressure, so that the energy-saving variable frequency pump control cabinet can work at a high-efficiency and energy-saving optimal state.

Description

technical field [0001] The invention relates to a frequency conversion control cabinet, in particular to an energy-saving frequency conversion water pump control cabinet. Background technique [0002] At present, the frequency conversion control cabinets of water pumps on the market are controlled through touch screens or transfer switches. The water pump is controlled by one or more water pumps through a frequency converter. When multiple water pumps are running, only one water pump is in frequency conversion operation, and the rest of the water pumps can only be in power frequency operation. When running such a plurality of water pumps, not only energy consumption is large, but also neither energy saving nor environmental protection. Contents of the invention [0003] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a high-efficiency and energy-saving frequency conversion water pump control cabinet....

AI Technical Summary

Problems solved by technology

When such a plurality of water pumps are in operation, not only the energy consumption is large, but also it is not energy-saving and environmentally friendly.

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