Photovoltaic power supply device of sewage treatment equipment power system

Abstract

The invention discloses a photovoltaic power supply device of a sewage treatment equipment power system. The sewage treatment equipment power system comprises the photovoltaic power supply device, a commercial power supply device, a power supply conversion device, a control module and a blower which are connected via shielding cables. The photovoltaic power supply device and the commercial power supply device are connected with the power supply conversion device together so as to select a corresponding power supply mode. The control module drives the blower to operate when power supply conversion device outputs current. The photovoltaic power supply device comprises a photovoltaic cell, a photovoltaic controller, a storage cell and an inverter circuit. The photovoltaic controller is provided with a charging circuit, a discharging circuit and a control circuit. The charging circuit is connected between the photovoltaic cell and the storage cell. The discharging circuit is connected between the storage cell and the inverter circuit. The control circuit is respectively connected with the charging circuit, the discharging circuit and the storage cell. The inverter circuit is connected with the power supply conversion device. Performance of the power system can be improved in a certain aspect among energy conservation and environmental protection, safety, anti-interference performance or controllability and low noise and high efficiency.

Description

technical field [0001] The invention relates to sewage treatment equipment, in particular to the power system of sewage treatment equipment and its sub-systems or components. Background technique [0002] In the power system of sewage treatment equipment, the fan as the load equipment is connected to the power conversion device of the power supply end through the control module. Device control. [0003] There are deficiencies in the design of the above-mentioned power system: the use of a single mains power supply is not environmentally friendly and energy-saving; the lightning protection measures are not good enough, and the system security is poor; the anti-interference measures are not ideal, which has a great impact on the stable operation of the load equipment; the control is not enough Convenience, can not meet the needs of users; the fan vibration noise is large, the efficiency is not high; and so on. In view of this, it is necessary to involve new sewage treatment ...

AI Technical Summary

Problems solved by technology

[0003] There are deficiencies in the design of the above-mentioned power system: the use of a single mains power supply is not environmentally friendly and energy-saving; the lightning protection measures are not good enough, and the system security is poor; the anti-interference measures are not ideal, which has a great impact on the stable operation of the load equipment; the control is not enough Convenience, can not meet the needs of users well; the fan vibration noise is large, the efficiency is not high; etc.

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