A solar air-conditioning system having charging, control and lightning protection functions

Abstract

The invention discloses a solar air-conditioning system having charging, control and lightning protection functions. The system comprises a solar cell, a solar controller, a storage battery and a variable frequency air conditioner. The solar controller comprises a charging circuit, a control circuit, a lightning protection circuit and a discharge circuit. The variable frequency air conditioner comprises an inverter circuit. The lightning protection circuit comprises a sixty-first fuse, a sixty-first resistor, a sixty-second resistor, a first piezoresistor, a second piezoresistor, a sixty-first diode, a sixty-second light-emitting diode and a discharge tube. The system can protect lighting effectively, improves system safety performance, can protect activity of the storage battery when charging the storage battery, can prolong the service life of the storage battery, can improve charge efficiency of the storage battery, prolongs power consumption time of the storage battery, has good self-startup capability, prevents an endless-loop state, is simple in circuit structure, is low in cost and can realize a good lightning protection effect.

Description

technical field [0001] The invention relates to the field of solar air conditioning, in particular to a solar air conditioning system with charging, control and lightning protection functions. Background technique [0002] The solar air conditioning system is composed of solar cells, controllers, storage batteries and inverter air conditioners. The existing solar air-conditioning system has the following defects: the lightning protection measures of the controller are not effective, which affects the safety performance of the system; the capacity and self-discharge of multiple single batteries of the battery are inevitably inconsistent, which affects the life of the battery. [0003] In addition, when there are several consecutive rainy days, the power of the battery is not enough to maintain the work of the powered equipment, which will affect the normal operation of the powered equipment. To solve this problem, the capacity of the battery and solar panels can be increased ...

AI Technical Summary

Problems solved by technology

The existing solar air-conditioning system has the following defects: the lightning protection measures of the controller are not effective, which affects the safety performance of the system; the capacity and self-discharge of multiple single batteries of the battery are inevitably inconsistent, which affects the life of the battery

In this way, there will be an infinite loop: if the power supply voltage of the battery is lower than the set voltage of the disconnect function, the solar control circuit will be disconnected, and the solar control circuit itself cannot recover automatically, because the solar control circuit can only When it is high enough to work, the solar energy can charge the battery with the output light energy through the solar control circuit. After the solar controller is disconnected, even if the solar output has electricity, but the battery voltage is not enough, the solar controller is disconnected at low voltage, so this part of the electric energy Can not be charged into the battery, because the solar energy cannot be charged to the battery, so the battery voltage will not rise, and the solar controller will not restart

[0005] The structure of the lightning protection circuit used in the existing solar air-conditioning system is relatively complex, the cost is high, and it is inconvenient to maintain. In addition, the lightning protection effect is not ideal

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