Constant current source emergency stop device for energy storage converter

Abstract

The invention provides a constant-current source emergency stop device for an energy storage converter in the technical field of energy storage converters. The constant-current source emergency stop device comprises a constant-current source series circuit, a low-speed IO board, a high-speed IO board, a fan driving board, a level conversion circuit, a driving circuit, a resistor R6, a resistor R7 and a capacitor C1. The constant current source series circuit is respectively connected with the low-speed IO board, the high-speed IO board, the resistor R6, the resistor R7 and the capacitor C1; one end of the fan driving board is connected with the constant-current source series circuit, and the other end of the fan driving board is connected with the low-speed IO board; one end of the level conversion circuit is connected with the resistor R7 and the capacitor C1, and the other end of the level conversion circuit is connected with the driving circuit. The method has the advantage that the sudden stop reliability and expansibility of the constant current source are greatly improved.

Description

technical field [0001] The invention relates to the technical field of energy storage converters, in particular to a constant current source emergency stop device for energy storage converters. Background technique [0002] With the limitation and scarcity of traditional energy sources, the new energy industry is increasingly emerging, and the demand for energy storage converters, charging piles, and photovoltaic inverters in the market is also increasing day by day. If such high-power equipment is abnormal, it is extremely dangerous if the power circuit and external supporting circuits cannot be sealed off in time (stop the PWM wave output). Therefore, when an abnormality occurs during debugging, the technician needs to perform an emergency stop operation on the equipment through the emergency stop button. [0003] However, the traditional emergency stop device for high-power equipment has the following shortcomings: 1. It requires the cooperation of software codes, and th...

AI Technical Summary

Problems solved by technology

[0003] However, the traditional emergency stop device of high-power equipment has the following disadvantages: 1. It needs the cooperation of software code, the response is not timely, and the reliability is poor; For example, functional auxiliary circuits such as heating circuits, AC and DC circuit breakers, etc. will cause secondary damage; 3. It is a voltage induction type, which has low reliability for occasions with long lead wires, and is easy to be interfered by the induced voltage and cause misoperation; 4. Can be used Poor scalability, inconvenient to add functional modules later

Images