Intelligent through-flow air-interchange ventilation control system and control device and method thereof

Abstract

The invention relates to an intelligent through-flow air-interchange and ventilation control system controlled by a ventilation system suitable for use in large premises. The intelligent through-flow air-interchange and ventilation control system comprises a programmable automation controller (PAC) control unit, a external interface unit, a power-supply control unit and a through-flow air-interchange device power-supply unit, wherein the PAC control unit is bidirectionally connected with a wireless communication module, a building control center, a fire-fighting external control center and a fire-fighting control center by the external interface unit, and is connected with a plurality of through-flow air interchange devices arranged in distribution by the wireless communication module in a bidirectional network mode; the PAC controller uses computer programs to realize air-interchange ventilation system control; and in combination with the wireless communication module network control, flexible programming can be carried out according to the configuration of site equipment, so as to achieve communication and remote centralized control between ventilation control devices in different ventilation subareas; and pollutant concentration in the environment of large-space buildings and the operation condition of air-interchange devices can be monitored in real time; and thus under the condition of ensuring air quality in the environment, starting time of air delivery and ventilation devices are reduced, thereby achieving the effects of environment protection and energy conservation.

Description

technical field [0001] The invention relates to a ventilation control system and equipment suitable for air circulation in a room or a place, especially for the control of a cross-flow ventilation system in a large place. Background technique [0002] At present, cross-flow ventilation devices are often used in large-space buildings that require mechanical ventilation, such as garages, factories, gymnasiums, and sewage plants, especially in underground parking garages. The Chinese invention patent "rotating wireless intelligent cross-flow ventilation device and its ventilation method" (Chinese invention patent number ZL200810036053 publication number CN101261028) discloses a rotatable wireless intelligent cross-flow ventilation device and its ventilation method, including The wireless intelligent cross-flow ventilation device, the positionable rotating device and the program controller of the wireless intelligent cross-flow ventilation device. The cross-flow ventilation dev...

AI Technical Summary

Problems solved by technology

In the existing ventilation and ventilation system, the air supply and exhaust system and the cross-flow ventilation device are respectively powered and independently controlled ventilation electrical equipment. The same ventilation zone and multi-point power supply will increase the system cost, and the multi-point power supply will also bring The system cannot run stably

Although the existing air supply and exhaust electrical system can realize building control and fire control, and has manual mode and automatic mode, after introducing the cross-flow ventilation device in automatic mode, the centralized controller and the original independent building control, fire control There is no two-way communication mechanism between control systems and between different ventilation zones, and they cannot support each other and work together

When a fire occurs, the centralized controller, building control, and fire control system will generate control signals at the same time, resulting in control conflicts, and the control cannot be performed according to the operating status of the cross-flow ventilation device, posing a safety hazard

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