一种高压变频器柜顶风机控制装置

Abstract

本实用新型涉及一种高压变频器柜顶风机控制装置，属于高压变频器控制装置技术领域。本实用新型的技术方案是：配电柜（1）通过电缆与高压变频器控制柜和高压变频器柜顶风机分别连接；风机控制电路系统和PLC报警信号处理电路系统安装在配电柜（1）内部，风机控制电路系统包含电源自动切换电路和风机控制主电路，风机控制主电路连接高压变频器柜顶风机。本实用新型的有益效果是：通过为高压变频器柜顶风机提供双回路电源，保证风机供电的稳定性，并且高压变频器每台柜顶风机实现单独控制、电流检测、实时显示数值的功能，同时实现风机运行信号显示及单台风机故障报警信号处理的功能，可精确定位。

Claims

1. A high voltage frequency converter cabinet roof fan control device, characterized by: It includes a power distribution cabinet (1), a fan control circuit system and a PLC alarm signal processing circuit system. The power distribution cabinet (1) is placed side by side with the control cabinet of the high-voltage frequency converter and is connected to the control cabinet of the high-voltage frequency converter and the fan on the top of the high-voltage frequency converter cabinet respectively through cables. The fan control circuit system and the PLC alarm signal processing circuit system are installed inside the power distribution cabinet (1). The fan control circuit system includes a dual power supply automatic switching circuit and a fan control main circuit. The fan control main circuit is connected to the fan on the top of the high-voltage frequency converter cabinet. The PLC alarm signal processing circuit system is connected to the fan control circuit system through cables.

2. A high voltage frequency converter cabinet roof fan control device according to claim 1, characterized in that The front door of the power distribution cabinet (1) is equipped with a touch screen (2), a green indicator light (3), a red indicator light (4), a yellow indicator light (5), a buzzer (6), a changeover switch (7), a green button (8), and a red button (9). The touch screen (2), green indicator light (3), red indicator light (4), yellow indicator light (5), and buzzer (6) are connected to the PLC alarm signal processing circuit system, and the changeover switch (7), green button (8), and red button (9) are connected to the fan control circuit system.

3. A high voltage frequency converter cabinet roof fan control device according to claim 1, characterized in that: The power distribution cabinet (1) is an XL-21 type power distribution cabinet.

4. A high voltage frequency converter cabinet roof fan control device according to claim 1, characterized in that: The two power supplies of the dual power supply automatic switching circuit are connected to different buses.

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